CN117902263B - Roller type online belt hardness detection device - Google Patents
Roller type online belt hardness detection device Download PDFInfo
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- CN117902263B CN117902263B CN202410308919.0A CN202410308919A CN117902263B CN 117902263 B CN117902263 B CN 117902263B CN 202410308919 A CN202410308919 A CN 202410308919A CN 117902263 B CN117902263 B CN 117902263B
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- 238000001514 detection method Methods 0.000 title claims abstract description 183
- 230000007246 mechanism Effects 0.000 claims abstract description 66
- 238000005259 measurement Methods 0.000 claims description 39
- 238000004804 winding Methods 0.000 claims description 27
- 230000000670 limiting effect Effects 0.000 claims description 19
- 230000033001 locomotion Effects 0.000 claims description 14
- 238000007542 hardness measurement Methods 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000011897 real-time detection Methods 0.000 abstract description 4
- 230000006698 induction Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 6
- 230000002829 reductive effect Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/02—Control devices, e.g. for safety, warning or fault-correcting detecting dangerous physical condition of load carriers, e.g. for interrupting the drive in the event of overheating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/02—Control or detection
- B65G2203/0266—Control or detection relating to the load carrier(s)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/042—Sensors
- B65G2203/043—Magnetic
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Control Of Conveyors (AREA)
Abstract
The application relates to a roller type online belt hardness detection device, which relates to the technical field of belt hardness detection, and comprises a main support rod, two extension support rods, a mounting frame, a positioning detection mechanism and a movable telescopic clamping mechanism, wherein the main support rod is arranged on one side of a belt in a belt conveyor, the two extension support rods are respectively arranged on two sides of the length direction of the main support rod, the mounting frame is arranged on one side of the main support rod, the positioning detection mechanism is arranged on the mounting frame and used for carrying out auxiliary positioning and continuous detection on a belt detection position, and the movable telescopic clamping mechanism is arranged between the mounting frame and the main support rod and used for adjusting the total length of the two extension support rods and the main support rod and driving the mounting frame to move along the horizontal direction and simultaneously enabling the extension support rods to be connected with a frame of the belt conveyor. The application has the effects of carrying out uninterrupted online real-time detection on the hardness of the belt under the condition that the belt conveyor is not stopped, improving the detection precision and reducing the accident rate of the belt conveyor in conveying goods.
Description
Technical Field
The application relates to the technical field of belt hardness detection, in particular to a roller type online belt hardness detection device.
Background
The belt conveyor can realize continuous fixed-point conveying of cargoes, has low conveying cost and stable conveying efficiency, is widely applied to various industries, and comprises a frame, a belt, a carrier roller and a driving device, wherein the belt, the carrier roller and the driving device are arranged on the frame; however, due to production differences during processing or oxidation processes with different use process environments, the whole belt can be aged in different degrees, the surface hardness of the belt is increased after the belt is aged, the plasticity is greatly reduced, and if the belt is not replaced in time, the condition that the goods are broken suddenly in the conveying process to cause the damage of the goods above the belt can be caused, so that a worker needs to detect the belt through the belt hardness detection device at regular intervals.
At present, the existing belt hardness detection device generally adopts point-touch pressing type detection, namely when the hardness of a belt on a belt conveyor is detected, the belt is required to be stopped firstly to be detected under the static condition, then a plurality of points on the belt are selected, and a probe on the detection device is used for applying certain pressure to the selected points so as to detect the hardness value of the belt; but the detection result has larger randomness in a point detection mode, so that the detection of the full-period hardness of the belt is difficult, and the hardness detection of the continuous online full-life period of the belt is difficult under the condition that the belt conveyor is not stopped.
Disclosure of Invention
In order to perform uninterrupted online real-time detection on the hardness of the belt under the condition that the belt conveyor is not stopped, the detection precision is improved, and the accident rate of the belt conveyor in conveying goods is reduced, the application provides a roller type online belt hardness detection device.
The application provides a roller type online belt hardness detection device, which adopts the following technical scheme:
The utility model provides an online belt hardness detection device of gyro wheel formula, including being arranged in the main tributary vaulting pole of belt one side in the band conveyer, two extension bracing pieces that set up respectively in main tributary vaulting pole length direction both sides, set up the mounting bracket in main tributary vaulting pole one side, set up and be used for carrying out assistance-localization real-time and continuous detection's location detection mechanism to the belt testing position on the mounting bracket, set up and be used for adjusting two extension bracing pieces and main tributary vaulting pole total length and drive the mounting bracket and remove the flexible fixture of removal that makes extension bracing piece and belt conveyer frame link to each other simultaneously along the horizontal direction between mounting bracket and main tributary vaulting pole.
By adopting the technical scheme, when the hardness detection device is used for detecting the hardness of the belt on the belt conveyor, firstly, a worker adjusts the total length of the two extending support rods and the main support rod by moving the telescopic clamping mechanism, so that the total length of the two extending support rods and the main support rod is matched with the width of the frame of the belt conveyor, the two extending support rods are fixed with the frame of the belt conveyor, then, the position to be detected of the positioning detection mechanism on the mounting frame along the width direction of the belt is adjusted by moving the telescopic clamping mechanism, and then, the worker performs auxiliary positioning on the belt detection position by the positioning detection mechanism and continuously and real-timely detects the hardness of the belt under the condition that the belt conveyor is not stopped; the detection device is convenient to install through the movable telescopic clamping mechanism, and the detection of the belt conveyor with various width specifications and sizes is adapted, the practicability and the applicability of the detection device are improved, the belt conveyor can be continuously and accurately detected in real time under the condition that the belt conveyor is not stopped through the positioning detection mechanism, the detection precision is improved, the accident rate of the belt conveyor in conveying goods is reduced, and meanwhile the movable telescopic clamping mechanism is matched with the positioning detection mechanism to flexibly adjust the detection position of the belt, so that continuous, accurate and rapid detection of any position of the belt is realized.
Optionally, the positioning detection mechanism comprises an electric cylinder arranged below the mounting frame, a lifting frame arranged at one side of an output end of the electric cylinder, a rotating plate arranged at one side of the lifting frame, a bearing plate vertically fixed at the top of the rotating plate, and a support frame hinged at one side of the rotating plate away from the bearing plate, wherein the electric cylinder is used for driving the lifting frame to move towards one side close to or far from the belt;
The belt hardness measuring device comprises a supporting frame, an auxiliary wheel, a detection cutter wheel, a measuring assembly, a positioning assembly and a rotating assembly, wherein the auxiliary wheel is rotatably connected to the supporting frame, the detection cutter wheel is arranged on the supporting frame, the measuring assembly is arranged between the detection cutter wheel and the supporting frame and used for calculating the belt hardness through continuously measuring the movement amount of the detection cutter wheel, the positioning assembly is arranged between the auxiliary wheel and a bearing plate and used for driving the auxiliary wheel and the detection cutter wheel to be attached to the belt through a control electric cylinder, and the rotating assembly is arranged between a rotating plate and a lifting frame and used for driving the rotating plate to rotate and simultaneously realizing position locking of the rotating plate.
Through adopting the technical scheme, the belt detection position is subjected to auxiliary positioning through the positioning detection mechanism, when the belt hardness is continuously detected in real time under the condition that the belt conveyor is not stopped, firstly, a worker drives the mounting frame to move along the width direction of the belt through moving the telescopic clamping mechanism, then the mounting frame can drive the electric cylinder, the lifting frame, the measuring assembly and the detection cutter wheel to move to one side of the position to be detected along the width direction of the belt, then the auxiliary wheel and the detection cutter wheel are attached to the belt through the electric cylinder and the positioning assembly, so that the movement amount of the detection cutter wheel can be continuously measured, and the hardness value of the belt is calculated through the measuring assembly; when detecting to the circular-arc-shaped position of belt both sides existence, the staff still accessible rotating assembly adjusts the rotation angle who detects cutter wheel and measuring assembly to be convenient for detect belt circular-arc-shaped position, and rotating assembly cooperation removes flexible fixture and can realize detecting cutter wheel and measuring assembly in the measurement of a plurality of positions of belt circular-arc-shaped position, thereby the adaptation is to the measurement of multiple specification size conveyer belt different positions, simultaneously rotating assembly cooperation removes flexible fixture and electric jar three can drive and detect cutter wheel and measuring assembly and do the circular arc motion of variable diameter in different positions, further improves measuring range and the practicality and the suitability of detection device that detect cutter wheel and measuring assembly.
Optionally, the measuring assembly comprises a coil winding detachably connected to the supporting frame, a data processing module connected with the coil winding, a magnetic rod connected to the supporting frame in a sliding manner, and a cutter wheel bracket fixedly arranged at one end of the magnetic rod;
the support frame is provided with a sliding hole, one end of the magnetic rod is inserted into the coil winding inner ring and positioned in the coil winding and slides up and down in the sliding hole, the detection cutter wheel is rotationally connected with the cutter wheel bracket,
The data processing module is used for detecting the magnetic flux change in the coil winding so as to judge the contact height difference between the auxiliary wheel and the detection cutter wheel, and the hardness of the belt is obtained through algorithm calculation;
The pressure spring is sleeved on one side of the magnetic rod, which is close to the cutter wheel bracket, and is always in a compressed state and gives downward force to the cutter wheel bracket so that the detection cutter wheel can be tightly pressed on the surface of the belt.
By adopting the technical scheme, the detection core of the measuring assembly is that the magnetic rod moves up and down in the coil winding rapidly, the coil cuts the magnetic induction line to form induced current, the whole belt can be aged to different degrees due to production difference in processing or different oxidation processes in use process environments, the belt surface hardness becomes larger most intuitively after being aged, and when the same pressure is applied to the detection cutter wheel, the detection cutter wheel is pressed down on an unoxidized belt (the surface of the belt is soft), namely the relative displacement is larger, the current wave crest is higher, and the current curve fluctuation wave crest wave trough difference is smaller; the detection knife flywheel is pressed downwards shallowly on the oxidized belt (the surface of the belt is hard), namely the relative displacement is smaller, namely the current wave crest is lower, and the current curve fluctuation wave crest and wave trough difference value is larger; when the measuring assembly detects the hardness of the belt, if the local hardness of the belt changes, the magnetic rod can be located in the coil winding to move up and down and move rapidly, the coil cuts the magnetic induction line, and the induced current is transmitted to the data processing module, so that the hardness value of the belt is obtained, the belt can be detected rapidly and continuously, and the accuracy of a detection result is improved.
Optionally, a limiting ring is fixedly arranged on the magnetic rod, and the limiting ring cannot pass through the sliding hole.
Through adopting above-mentioned technical scheme, the spacing ring is used for restricting the removal of bar magnet, makes the bar magnet be difficult for leading to in bar magnet breaks away from coil winding and sliding hole under pressure spring's effect, improves measuring assembly's operating stability.
Optionally, the positioning assembly comprises a pressure module, connected below the bearing plate, and used for detecting the pressure value transmitted by the auxiliary wheel and sending out a pressure detection signal;
The controller is connected with the pressure module and the electric cylinder and is used for receiving the pressure detection signal to obtain the pressure value born by the auxiliary wheel, when the pressure value born by the auxiliary wheel is smaller than the preset pressure value, the auxiliary wheel is not attached to the belt, and at the moment, the controller outputs a control signal to the electric cylinder so that the electric cylinder drives the auxiliary wheel to move to one side of the belt;
Also comprises a conduction connecting rod with two ends respectively hinged between the pressure module and the supporting frame, the conduction connecting rod is used for conducting the contact pressure of the auxiliary wheel and the auxiliary wheel bracket and the belt to the pressure module.
Through adopting above-mentioned technical scheme, the staff detects the time measuring to belt hardness through detecting cutter arbor and measuring assembly, the pressure that the auxiliary wheel bore can pass through the conduction connecting rod and transmit to pressure module, pressure module can detect the pressure value of auxiliary wheel in real time, and send pressure detection signal to the controller in order to learn the pressure value that the auxiliary wheel bore, when the pressure value that the auxiliary wheel bore is less than preset pressure value, indicate that the auxiliary wheel does not laminate with the belt promptly, the controller can output control signal to the electric jar so that the electric jar drives auxiliary wheel to belt one side remove, make auxiliary wheel laminate with the belt, thereby guarantee to detect cutter arbor and belt laminating all the time, improve the precision of detecting.
Optionally, the rotating assembly comprises a band-type brake motor arranged in the support frame, a rotating shaft arranged at one end of an output shaft of the band-type brake motor, and a limiting support rod fixedly arranged on the support frame;
the rotary shaft is fixedly connected with the rotary plate, a strip-shaped limit groove with a certain arc radian and matched with the limit supporting rod is formed in the rotary plate, and the arc center of the limit groove coincides with the center of the rotary shaft.
Through adopting the technical scheme, when the rotation angle of the detection cutter wheel and the measurement assembly is adjusted through the rotation assembly, firstly, a worker starts the band-type brake motor, then the band-type brake motor drives the rotation shaft to rotate, the rotation shaft drives the rotation plate to rotate, and the rotation plate can drive the detection cutter wheel and the measurement assembly to rotate to a required measurement angle; the limiting support rod and the limiting groove can limit the rotation angle of the detection cutter wheel and the measurement assembly, so that the detection cutter wheel and the measurement assembly are not easy to excessively rotate to the outer side of the arc-shaped part of the belt, and a worker can conveniently control the rotation of the detection cutter wheel and the measurement assembly; and the band-type brake motor has self-locking property after power failure, so that the detection knife flywheel and the measurement assembly can keep the required measurement angle for a long time under the condition of no power input, and the running stability of the positioning detection mechanism is improved.
Optionally, the movable telescopic clamping mechanism comprises a movable frame slidingly connected to the main supporting rod along the length direction of the main supporting rod, two fixing plates respectively fixedly arranged on the two extending supporting rods, a movable assembly arranged between the main supporting rod and the movable frame and used for driving the movable frame to horizontally move along the width direction of the belt, a self-locking telescopic assembly arranged between the extending supporting rod and the main supporting rod and used for driving the extending supporting rod to move along the length direction of the main supporting rod so as to adjust the total length of the two extending supporting rods and the main supporting rod and lock the total length of the main supporting rod, and a clamping assembly arranged between the fixing plates and the belt conveyor frame and used for fixing the two; the movable frame is detachably connected with the mounting frame, and the extension supporting rod is connected with the main supporting rod in a sliding manner.
Through adopting the technical scheme, when the detection device is mounted on the belt conveyor frame by moving the telescopic clamping mechanism, firstly, a worker drives the extension supporting rods to move along the length direction of the main supporting rods through the self-locking telescopic assembly so as to adjust the total length of the two extension supporting rods and the main supporting rods to be matched with the width of the frame of the belt conveyor and lock the total length, and then the worker is connected with the belt conveyor frame through the clamping assemblies at two sides of the two extension supporting rods, so that the mounting of the detection device can be completed; the position to be detected of the positioning detection mechanism is adjusted along the width direction of the belt by the movable component, then the two self-locking telescopic components can respectively and independently drive the two extending support rods to be located at any moving positions on the main support rods, namely, the positions of the main support rods can be moved along the width direction of the whole belt at will, so that the moving adjustment range of the movable frame is further widened, the movable frame is matched with the movable component and an electric cylinder (moving along the height direction) in the positioning detection mechanism, and the rotary component can realize the circular arc movement of the detection cutter wheel and the measurement component in a plurality of positions along the width direction of the belt, and the measuring range of the detection cutter wheel and the measurement component is further improved.
Optionally, the self-locking telescopic component comprises a rack fixedly arranged on the main support rod, a rotating shaft rotationally connected on the extension support rod, a driving gear fixedly sleeved on the rotating shaft, a worm wheel, a plurality of driven gears rotationally connected on the extension support rod, a worm rotationally connected on the extension support rod and a driving motor arranged at one end of the worm;
the driven gears are arranged along the length direction of the extension supporting rod, the racks are meshed with the driving gears and the driven gears, and the worm gears are meshed with the worm.
By adopting the technical scheme, when the self-locking telescopic assembly drives the extension supporting rod to move, firstly, a worker starts the driving motor, then the driving motor drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the rotating shaft and the driving gear to rotate, and then the driving gear can drive the extension supporting rod to move along the length direction of the main supporting rod under the action of the rack; the worm wheel and the worm have self-locking property, the relative position between the extension support rod and the main support rod can be locked for a long time, the stability of the movable telescopic clamping mechanism is improved, and the driven gears can assist in supporting the racks, so that the moving stability of the extension support rod is improved.
Optionally, the moving assembly comprises a driving screw rod rotatably connected to the main supporting rod and a power motor arranged at one end of the driving screw rod; the driving screw is in threaded connection with the moving frame, the main supporting rod is provided with a moving groove along the length direction of the main supporting rod, and the moving frame is positioned in the moving groove and slides in the moving groove.
Through adopting above-mentioned technical scheme, when driving the removal frame through the removal subassembly and remove, at first the staff starts power motor, and power motor drives the drive screw and rotates afterwards, and the drive screw can drive the removal frame and remove along the length direction of main stay bar under the guide effect of removal groove.
Optionally, the clamping assembly comprises a connecting plate fixedly arranged at the bottom of the fixed plate, two parallel supporting plates fixedly arranged on the connecting plate at intervals, a clamping plate arranged between the two supporting plates, a clamping screw rod rotatably connected to one side of the clamping plate, and a locknut in threaded connection with the clamping screw rod; the clamping screw is in threaded connection with one of the supporting plates, and the frame of the belt conveyor is positioned between the clamping plate and the supporting plate.
Through adopting above-mentioned technical scheme, when fixed detection device through the clamping assembly, at first the staff places two backup pads in the both sides of band conveyer frame, rotates the clamping screw afterwards, and the clamping screw drives the grip block and removes to being close to band conveyer frame one side to press from both sides the frame between grip block and the backup pad, screw up locknut afterwards, can accomplish the installation to detection device.
In summary, the present application includes at least one of the following beneficial technical effects:
1. The detection device is convenient to install through moving the telescopic clamping mechanism, and is adaptive to detection of the belt conveyor with various width specifications and sizes, so that the practicability and applicability of the detection device are improved, the belt hardness can be detected in real time in an uninterrupted online full life cycle through the positioning detection mechanism under the condition that the belt conveyor is not stopped, the detection precision is improved, the accident rate of the belt conveyor in conveying goods is reduced, and meanwhile, the detection position of the belt can be flexibly adjusted through moving the telescopic clamping mechanism in cooperation with the positioning detection mechanism, so that continuous, accurate and rapid detection of any position of the belt is realized;
2. When detecting the arc-shaped parts on two sides of the belt, a worker can also adjust the rotation angles of the detection cutter wheel and the measurement assembly through the rotation assembly, so that the arc-shaped parts of the belt can be conveniently detected, the rotation assembly is matched with the movable telescopic clamping mechanism to realize the measurement of the detection cutter wheel and the measurement assembly at a plurality of positions of the arc-shaped parts of the belt, so that the measurement of different positions of the conveyor belt with various specifications can be adapted, and meanwhile, the rotation assembly is matched with the movable telescopic clamping mechanism and the electric cylinder to drive the detection cutter wheel and the measurement assembly to do variable-diameter arc movements at different positions, so that the measurement range of the detection cutter wheel and the measurement assembly and the practicability and applicability of the detection device are further improved;
3. the detection core of the measuring component is that a magnetic rod moves up and down in a coil winding rapidly, a coil cuts a magnetic induction line to form induced current, the whole belt can be aged to different degrees due to production differences in processing or oxidation processes with different use process environments, the belt surface hardness is the most visual after being aged, when the same pressure is applied to the detection cutter wheel, the detection cutter wheel is pressed down on an unoxidized belt (the belt surface is soft), namely the relative displacement is larger, the current wave crest is higher, and the current curve fluctuation wave crest and wave trough difference is smaller; the detection knife flywheel is pressed downwards shallowly on the oxidized belt (the surface of the belt is hard), namely the relative displacement is smaller, namely the current wave crest is lower, and the current curve fluctuation wave crest and wave trough difference value is larger; when the measuring assembly detects the hardness of the belt, if the local hardness of the belt changes, the magnetic rod can move up and down in the coil winding to rapidly move, the coil cuts the magnetic induction line to form an induction current, and the induction current is transmitted to the data processing module, so that the hardness value of the belt is obtained, the whole belt can be rapidly and continuously detected, and the accuracy of a detection result is improved;
4. When the worker detects the hardness of the belt through the detection cutter wheel and the measurement assembly, the pressure born by the auxiliary wheel is transmitted to the pressure module through the transmission connecting rod, the pressure module can detect the pressure value of the auxiliary wheel in real time and sends a pressure detection signal to the controller to obtain the pressure value born by the auxiliary wheel, when the pressure value born by the auxiliary wheel is smaller than a preset pressure value, the auxiliary wheel is not attached to the belt, at the moment, the controller can output a control signal to the electric cylinder to enable the electric cylinder to drive the auxiliary wheel to move to one side of the belt, so that the auxiliary wheel is attached to the belt, the detection cutter wheel is always attached to the belt, and the detection accuracy is improved;
5. The limiting support rod and the limiting groove in the rotating assembly can limit the rotating angles of the detection cutter wheel and the measuring assembly, so that the detection cutter wheel and the measuring assembly are not easy to excessively rotate to the outer side of the arc-shaped part of the belt, and a worker can conveniently control the rotation of the detection cutter wheel and the measuring assembly; the band-type brake motor has self-locking property after power failure, so that the detection knife flywheel and the measurement assembly can keep a required measurement angle for a long time under the condition of no power input, and the running stability of the positioning detection mechanism is improved;
6. The position to be detected of the positioning detection mechanism is adjusted along the width direction of the belt by a worker in the movable telescopic clamping mechanism through the movable assembly, then the two self-locking telescopic assemblies can respectively and independently drive the two extending support rods to be located at the position of the main support rods to move at will, namely, the position of the main support rods can move at will along the width direction of the whole belt, so that the movable adjustment range of the movable frame is further widened, the movable frame is matched with the movable assembly and an electric cylinder (moving along the height direction) in the positioning detection mechanism, and the rotary assembly can realize the circular arc movement of the detection cutter wheel and the measurement assembly in a plurality of positions along the width direction of the belt, and the measurement range of the detection cutter wheel and the measurement assembly is further improved.
Drawings
FIG. 1 is a schematic view of a roller-type on-line belt hardness testing device mounted to a belt conveyor in accordance with the present application;
FIG. 2 is a schematic diagram showing the structure of a roller type on-line belt hardness detecting device;
FIG. 3 is a schematic diagram showing the structure of the positioning detection mechanism;
FIG. 4 is a partial cross-sectional view showing a positioning detection mechanism;
FIG. 5 is a graph showing the fluctuation of the current induced in the winding coil under normal conditions of the belt;
FIG. 6 is a graph showing the fluctuation of the current induced in the winding coil of the belt in an aged state;
FIG. 7 is a schematic view showing the structure of the movable telescopic clamping mechanism;
Fig. 8 is a partial exploded cross-sectional view showing the moving telescopic clamping mechanism.
Reference numerals illustrate: 1. a belt conveyor; 11. a belt; 12. a frame; 2. a main support rod; 3. extending the support rod; 4. a mounting frame; 5. a positioning detection mechanism; 51. an electric cylinder; 52. a lifting frame; 53. a rotating plate; 531. a pressure bearing plate; 532. a limit groove; 54. a support frame; 541. a sliding hole; 55. an auxiliary wheel; 56. detecting a cutter wheel; 57. a measurement assembly; 571. a coil winding; 572. a magnetic rod; 573. a cutter wheel bracket; 574. a pressure spring; 575. a limiting ring; 58. a positioning assembly; 581. a pressure module; 582. a conductive link; 59. a rotating assembly; 591. a band-type brake motor; 592. a rotation shaft; 593. a limit strut; 6. moving the telescopic clamping mechanism; 61. a moving rack; 62. a moving assembly; 621. driving a screw; 622. a power motor; 63. a self-locking telescopic component; 631. a rack; 632. a rotating shaft; 633. a drive gear; 634. a worm wheel; 635. a driven gear; 636. a worm; 637. a driving motor; 638. a protective cover; 64. a fixing plate; 65. a clamping assembly; 651. a connecting plate; 652. a support plate; 653. a clamping plate; 654. clamping a screw; 655. a knob; 656. a locknut.
Detailed Description
The present application is described in further detail below with reference to fig. 1-8.
The embodiment of the application discloses a roller type online belt hardness detection device. Referring to fig. 1 and 2, the detecting device includes a main supporting bar 2 for being disposed at one side of a belt 11 in a belt conveyor 1, and extension supporting bars 3 are slidably coupled to both sides of the main supporting bar 2 in a length direction, respectively. One side below the main supporting rod 2 is provided with a mounting frame 4, the mounting frame 4 is provided with a positioning detection mechanism 5, and the positioning detection mechanism 5 is used for carrying out auxiliary positioning and continuous detection on the detection position of the belt 11. A movable telescopic clamping mechanism 6 is arranged between the mounting frame 4 and the main supporting rod 2, and the movable telescopic clamping mechanism 6 is used for adjusting the total length of the two extending supporting rods 3 and the main supporting rod 2 and driving the mounting frame 4 to move along the horizontal direction and simultaneously connecting the extending supporting rods 3 with a frame 12 of the belt conveyor 1.
When the hardness detection device is used for detecting the hardness of the belt 11 on the belt conveyor 1, firstly, a worker adjusts the total length of the two extending support rods 3 and the main support rod 2 by moving the telescopic clamping mechanism 6, so that the total length of the two extending support rods 3 and the main support rod 2 is matched with the width of the frame 12 of the belt conveyor 1, the two extending support rods 3 are fixed with the frame 12 of the belt conveyor 1, then, the worker adjusts the position to be detected of the positioning detection mechanism 5 on the mounting frame 4 along the width direction of the belt 11 by moving the telescopic clamping mechanism 6, and then, the worker performs auxiliary positioning on the detection position of the belt 11 by the positioning detection mechanism 5 and continuously detects the hardness of the belt 11 in real time under the condition that the belt conveyor 1 is not stopped. The detection device is used for detecting the belt conveyor 1 with various width specifications and sizes through the movable telescopic clamping mechanism 6 in an adapting mode, and can also realize real-time detection of the hardness of the belt 11 in an uninterrupted online full life cycle mode under the condition that the belt conveyor 1 is not stopped through the positioning detection mechanism 5, so that the accident rate of the belt conveyor 1 in conveying goods is reduced.
Referring to fig. 3 and 4, the positioning detecting mechanism 5 includes an electric cylinder 51 disposed below the mounting frame 4, a lifting frame 52 is disposed at one side of an output end of the electric cylinder 51, and the electric cylinder 51 is configured to drive the lifting frame 52 to move toward a side close to or far from the belt 11. A rotating plate 53 is arranged on one side of the lifting frame 52, a bearing plate 531 is vertically fixed on the top of the rotating plate 53, and a supporting frame 54 is hinged on one side of the rotating plate 53 away from the bearing plate 531. The support frame 54 is rotatably connected with two auxiliary wheels 55, and the support frame 54 is also provided with a detection cutter wheel 56, and the detection cutter wheel 56 is positioned between the two auxiliary wheels 55. A measuring component 57 is arranged between the detection cutter wheel 56 and the supporting frame 54, and the measuring component 57 is used for calculating the hardness of the belt 11 by continuously measuring the movement amount of the detection cutter wheel 56. A positioning component 58 is arranged between the auxiliary wheel 55 and the bearing plate 531, and the positioning component 58 is used for driving the auxiliary wheel 55 and the detection cutter wheel 56 to be attached to the belt 11 through the control electric cylinder 51. A rotating assembly 59 is further arranged between the rotating plate 53 and the lifting frame 52, and the rotating assembly 59 is used for driving the rotating plate 53 to rotate and locking the position of the rotating plate 53.
When the belt 11 detection position is subjected to auxiliary positioning through the positioning detection mechanism 5 and the belt 11 hardness is continuously detected in real time under the condition that the belt conveyor 1 is not stopped, firstly, a worker drives the mounting frame 4 to move along the width direction of the belt 11 through moving the telescopic clamping mechanism 6, then the mounting frame 4 drives the electric cylinder 51, the lifting frame 52, the measuring component 57 and the detection cutter wheel 56 to move to one side of the position to be detected along the width direction of the belt 11, then the auxiliary wheel 55 and the detection cutter wheel 56 are attached to the belt 11 through the electric cylinder 51 and the positioning component 58, so that the movement amount of the detection cutter wheel 56 can be continuously measured, and the hardness value of the belt 11 is calculated through the measuring component 57.
When detecting the circular arc-shaped parts on two sides of the belt 11, a worker can also adjust the rotation angle of the detection cutter wheel 56 and the measurement component 57 through the rotation component 59, so that the circular arc-shaped parts of the belt 11 can be detected conveniently, the rotation component 59 is matched with the movement of the telescopic clamping mechanism 6 to realize the measurement of the detection cutter wheel 56 and the measurement component 57 at a plurality of positions of the circular arc-shaped parts of the belt 11, so that the measurement of different positions of the conveying belt with various specifications and sizes is adapted, and meanwhile, the rotation component 59 is matched with the movement of the telescopic clamping mechanism 6 and the electric cylinder 51 to drive the detection cutter wheel 56 and the measurement component 57 to do circular arc movement with variable diameters at different positions, so that the measurement range of the detection cutter wheel 56 and the measurement component 57 and the practicability and the applicability of the detection device are further improved.
Referring to fig. 3 and 4, the measuring assembly 57 includes a coil winding 571 detachably connected to the support frame 54 by bolts, wherein a magnetic rod 572 is inserted into an inner ring of the coil winding 571, the magnetic rod 572 is slidably connected to the support frame 54, a sliding hole 541 is formed in the support frame 54, and one end of the magnetic rod 572 is inserted into an inner ring of the coil winding 571 and can slide up and down in the inner ring of the coil winding 571 and the sliding hole 541. The coil winding 571 is connected with a data processing module, and the data processing module is used for detecting the magnetic flux change in the coil winding 571 so as to judge the contact height difference between the auxiliary wheel 55 and the detection cutter wheel 56, and the hardness of the belt 11 is obtained through calculation by an algorithm. The bottom of the magnetic rod 572 is also fixedly provided with a cutter wheel bracket 573, and the detection cutter wheel 56 is rotationally connected with the cutter wheel bracket 573. The magnetic rod 572 is further sleeved with a pressure spring 574 on one side close to the cutter wheel support 573, the pressure spring 574 is always in a compressed state and gives downward force to the cutter wheel support 573 so that the detection cutter wheel 56 can press the surface of the belt 11, and when the detection cutter wheel 56 is not in contact with the belt 11, the bottom of the detection cutter wheel 56 is located below the bottom of the auxiliary wheel 55. The magnetic rod 572 is also fixedly sleeved with a limit ring 575, the limit ring 575 cannot pass through the sliding hole 541, and the limit ring 575 is used for limiting the movement of the magnetic rod 572, so that the magnetic rod 572 is not easy to separate from the coil winding 571 and the sliding hole 541 under the action of the pressure spring 574.
Referring to fig. 3 to 6, the detecting core of the measuring assembly 57 is that the coil winding 571 moves up and down rapidly through the magnetic rod 572, the coil cuts the magnetic induction line to form induced current, the aging condition of the whole belt 11 occurs to different degrees due to the production difference during processing or the oxidation process with different environments during use, the surface hardness of the belt 11 becomes larger most intuitively after the aging of the belt 11, when the same pressure is applied to the detecting cutter wheel 56, the detecting cutter wheel 56 is pressed down on the unoxidized belt 11 (the surface of the belt 11 is soft), namely, the relative displacement is larger, the peak of the current is higher, the peak-valley difference of the current curve is smaller, the detecting cutter wheel 56 is pressed down on the oxidized belt 11 (the surface of the belt 11 is hard), namely, the relative displacement is smaller, the peak-valley difference of the current is lower, and the peak-valley difference of the current curve is larger. That is, when the measuring component 57 detects the hardness of the belt 11, if the local hardness of the belt 11 changes, the magnetic rod 572 moves up and down in the coil winding 571 to move fast, the coil cuts the magnetic induction line, and the induced current is formed and transmitted to the data processing module, so as to obtain the hardness value of the belt 11.
Referring to fig. 3 and 4, the positioning assembly 58 includes a pressure module 581, and a controller, the pressure module 581 includes a pressure sensor connected below the pressure bearing plate 531 for detecting a pressure value transmitted from the auxiliary wheel 55 and emitting a pressure detection signal. The controller is connected to the pressure sensor and the electric cylinder 51, and is configured to receive a pressure detection signal to obtain a pressure value borne by the auxiliary wheel 55, and when the pressure value borne by the auxiliary wheel 55 is smaller than a preset pressure value, it indicates that the auxiliary wheel 55 is not attached to the belt 11, and at this time, the controller outputs a control signal to the electric cylinder 51 so that the electric cylinder 51 drives the auxiliary wheel 55 to move towards the belt 11. A conductive connecting rod 582 is further disposed between the pressure module 581 and the support frame 54, two ends of the conductive connecting rod 582 are respectively hinged to the pressure module 581 and the support frame 54, and the conductive connecting rod 582 is used for conducting the contact pressure between the auxiliary wheel 55 and the belt 11 to the pressure module 581.
Before the staff detects belt 11 hardness through detecting cutter wheel 56 and measuring assembly 57, at first the pressure that auxiliary wheel 55 bore can pass through the conduction connecting rod 582 and transmit to pressure module 581, pressure module 581 can detect the pressure value of auxiliary wheel 55 in real time to send pressure detection signal to the controller in order to learn the pressure value that auxiliary wheel 55 bore, when the pressure value that auxiliary wheel 55 bore is less than preset pressure value, indicate that auxiliary wheel 55 does not laminate with belt 11 promptly, the controller can output control signal to electric jar 51 so that electric jar 51 drives auxiliary wheel 55 to belt 11 side removal, make auxiliary wheel 55 laminate with belt 11, thereby guarantee to detect cutter wheel 56 and belt 11 laminating all the time.
Referring to fig. 3 and 4, the rotating assembly 59 includes a band-type brake motor 591 disposed in the support frame 54, and a rotating shaft 592 is disposed at one end of an output shaft of the band-type brake motor 591, and the rotating shaft 592 is fixedly connected with the rotating plate 53. The support frame 54 is fixedly provided with a limiting support rod 593, the rotating plate 53 is provided with a strip-shaped limiting groove 532 which has a certain arc radian and is matched with the limiting support rod 593, the arc circle center of the limiting groove 532 coincides with the center of the rotating shaft 592, and the limiting support rod 593 and the limiting groove 532 are used for limiting the rotating angle of the detection cutter wheel 56 and the measuring assembly 57, so that the detection cutter wheel 56 and the measuring assembly 57 are not easy to excessively rotate to the outer side of the arc-shaped part of the belt 11. The band-type brake motor 591 has self-locking property after power failure, so that the detection knife wheel 56 and the measurement assembly 57 can maintain a required measurement angle for a long time under the condition of no power input.
When the rotation angle of the detection cutter wheel 56 and the measurement assembly 57 is adjusted through the rotation assembly 59, firstly, a worker starts the band-type brake motor 591, then the band-type brake motor 591 drives the rotation shaft 592 to rotate, the rotation shaft 592 drives the rotation plate 53 to rotate, and the rotation plate 53 can drive the detection cutter wheel 56 and the measurement assembly 57 to rotate to a required measurement angle.
Referring to fig. 7 and 8, the moving telescopic clamping mechanism 6 includes a moving frame 61 slidably coupled to the main support bar 2, the main support bar 2 is provided with a moving groove along a length direction thereof, the moving frame 61 is slidably positioned in the moving groove, and the moving frame 61 is detachably coupled to the mounting frame 4 by bolts. A moving assembly 62 is arranged between the main supporting rod 2 and the moving frame 61, and the moving assembly 62 is used for driving the moving frame 61 to horizontally move along the width direction of the belt 11. A self-locking telescopic component 63 is arranged between the extension support rods 3 and the main support rods 2, and the self-locking telescopic component 63 is used for driving the extension support rods 3 to move along the length direction of the main support rods 2 so as to adjust the total length of the two extension support rods 3 and the main support rods 2 and lock the total length of the two extension support rods 3 and the main support rods 2. One side of each extending support rod 3, which is far away from each other, is respectively and vertically provided with a fixing plate 64, a clamping assembly 65 is arranged between the fixing plate 64 and the frame 12 of the belt conveyor 1, and the clamping assembly 65 is used for fixing the fixing plate 64 and the frame 12 of the belt conveyor 1.
When the detection device is mounted on the frame 12 of the belt conveyor 1 by moving the telescopic clamping mechanism 6, firstly, a worker drives the extension supporting rods 3 to move along the length direction of the main supporting rods 2 through the self-locking telescopic components 63 so as to adjust the total length of the two extension supporting rods 3 and the main supporting rods 2 to be matched with the width of the frame 12 of the belt conveyor 1 and lock the total length, and then the worker is connected with the frame 12 of the belt conveyor 1 through the clamping components 65 at two sides of the two extension supporting rods 3, so that the mounting of the detection device can be completed.
And the staff can adjust the position to be detected of the positioning detection mechanism 5 along the width direction of the belt 11 through the moving component 62, then the two self-locking telescopic components 63 can respectively and independently drive the two extension supporting rods 3 to be located at the random moving positions on the main supporting rods 2, namely, the positions of the main supporting rods 2 can be randomly moved along the width direction of the whole belt 11, so that the moving adjustment range of the moving frame 61 is further widened, the moving frame 61 is matched with the moving component 62 and the electric cylinder 51 (moving along the height direction) and the rotating component 59 in the positioning detection mechanism 5, the detection knife wheel 56 and the measuring component 57 can realize the variable-diameter circular arc movement at a plurality of positions along the width direction of the belt 11, and the measuring range of the detection knife wheel 56 and the measuring component 57 is further improved.
Referring to fig. 7 and 8, the self-locking telescopic assembly 63 includes a rack 631 fixed to the main support bar 2, and the rack 631 is disposed along the length direction of the main support bar 2. The extension support rods 3 are rotatably connected with a rotating shaft 632, the rotating shaft 632 is positioned at one end of the two extension support rods 3 close to each other, and the rotating shaft 632 is fixedly sleeved with a driving gear 633 and a worm gear 634. The extension support rod 3 is rotatably connected with a plurality of driven gears 635, the plurality of driven gears 635 are arranged along the length direction of the extension support rod 3, the rack 631 is meshed with the driving gear 633 and the driven gears 635, and the plurality of driven gears 635 are used for supporting the rack 631 in an auxiliary mode. The extending support rod 3 is rotatably connected with a worm 636, the worm wheel 634 is meshed with the worm 636, and one end of the worm 636 is provided with a driving motor 637. A protective cover 638 is further provided outside the extension support rod 3, and a worm wheel 634, a driving motor 637, and a worm 636 are all located inside the protective cover 638.
When the self-locking telescopic assembly 63 drives the extension supporting rod 3 to move, firstly, a worker starts the driving motor 637, then the driving motor 637 drives the worm 636 to rotate, the worm 636 drives the worm wheel 634 to rotate, the worm wheel 634 drives the rotating shaft 632 and the driving gear 633 to rotate, then the driving gear 633 can drive the extension supporting rod 3 to move along the length direction of the main supporting rod 2 under the action of the rack 631, and the worm wheel 634 and the worm 636 have self-locking property, so that the relative position between the extension supporting rod 3 and the main supporting rod 2 can be locked for a long time.
Referring to fig. 7 and 8, the moving assembly 62 includes a driving screw 621 rotatably coupled to the main supporting rod 2, the driving screw 621 is screw-coupled to the moving frame 61, and one end of the driving screw 621 is provided with a power motor 622. When the moving assembly 62 drives the moving frame 61 to move, firstly, a worker starts the power motor 622, then the power motor 622 drives the driving screw 621 to rotate, and the driving screw 621 can drive the moving frame 61 to move along the length direction of the main supporting rod 2 under the guiding action of the moving groove.
Referring to fig. 7 and 8, the clamping assembly 65 includes a connection plate 651 fixed to the bottom of the fixing plate 64, and two support plates 652 are fixed to the connection plate 651 in parallel and at a distance. A clamping plate 653 is provided between the two support plates 652, and the frame 12 of the belt conveyor 1 is located between the clamping plate 653 and the support plates 652. One side of the clamping plate 653 is rotatably connected with a clamping screw 654, the clamping screw 654 is in threaded connection with one of the support plates 652, and one end of the clamping screw 654 away from the clamping plate 653 is fixedly provided with a knob 655. A locknut 656 is also threadably connected to the clamping screw 654.
When the detection device is fixed by the clamping assembly 65, firstly, a worker places two support plates 652 on two sides of the frame 12 of the belt conveyor 1, then rotates a knob 655, the knob 655 drives a clamping plate 653 to move towards one side close to the frame 12 of the belt conveyor 1 by a clamping screw 654, the frame 12 is clamped between the clamping plate 653 and the support plates 652, and then a locknut 656 is screwed, so that the detection device can be installed.
The embodiment of the application relates to an implementation principle of a roller type online belt hardness detection device, which comprises the following steps: when the hardness detection device is used for detecting the hardness of the belt 11 on the belt conveyor 1, firstly, a worker adjusts the total length of the two extending support rods 3 and the main support rod 2 through the self-locking telescopic assembly 63, so that the total length of the two extending support rods 3 and the main support rod 2 is matched with the width of the frame 12 of the belt conveyor 1, the two extending support rods 3 are fixed with the frame 12 of the belt conveyor 1, then, the moving assembly 62 is matched with the self-locking telescopic assembly 63 to jointly adjust the position to be detected of the positioning detection mechanism 5 on the mounting frame 4 along the width direction of the belt 11, and then, the worker performs auxiliary positioning on the detection position of the belt 11 through the positioning detection mechanism 5 and continuously detects the hardness of the belt 11 in real time under the condition that the belt conveyor 1 is not stopped; wherein detection device is convenient through not only the installation under the cooperation of clamping assembly 65 and auto-lock telescopic assembly 63, and the adaptation is to the detection of multiple width specification size band conveyer 1, detection device's practicality and suitability have been improved, but also band conveyer 1 can be realized through location detection mechanism 5 under the circumstances of not shutting down, carry out uninterrupted online full life cycle's real-time detection to band conveyer 11 hardness, improve the detection precision, the accident rate of band conveyer 1 in carrying the goods is reduced, remove flexible clamping mechanism 6 cooperation location detection mechanism 5 simultaneously and can also be adjusted in a flexible way to band conveyer 11's testing position, realize the continuous accurate swift detection to band conveyer 11 optional position.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (6)
1. The utility model provides an online belt hardness detection device of gyro wheel formula which characterized in that: the belt conveyor comprises a main support rod (2) arranged on one side of a belt (11) in a belt conveyor (1), two extension support rods (3) respectively arranged on two sides of the length direction of the main support rod (2), a mounting frame (4) arranged on one side of the main support rod (2), a positioning detection mechanism (5) arranged on the mounting frame (4) and used for carrying out auxiliary positioning and continuous detection on the detection position of the belt (11), and a movable telescopic clamping mechanism (6) arranged between the mounting frame (4) and the main support rod (2) and used for adjusting the total length of the two extension support rods (3) and the main support rod (2) and driving the mounting frame (4) to move along the horizontal direction and simultaneously enabling the extension support rods (3) to be connected with a frame (12) of the belt conveyor (1);
The positioning detection mechanism (5) comprises an electric cylinder (51) arranged below the mounting frame (4), a lifting frame (52) arranged on one side of the output end of the electric cylinder (51), a rotating plate (53) arranged on one side of the lifting frame (52), a bearing plate (531) vertically and fixedly arranged on the top of the rotating plate (53), and a supporting frame (54) hinged on one side of the rotating plate (53) far away from the bearing plate (531), wherein the electric cylinder (51) is used for driving the lifting frame (52) to move towards one side close to or far away from the belt (11);
The belt type automatic detection device is characterized by further comprising an auxiliary wheel (55) rotatably connected to the supporting frame (54), a detection cutter wheel (56) arranged on the supporting frame (54), a measurement assembly (57) arranged between the detection cutter wheel (56) and the supporting frame (54) and used for calculating the hardness of the belt (11) through continuously measuring the movement amount of the detection cutter wheel (56), a positioning assembly (58) arranged between the auxiliary wheel (55) and the bearing plate (531) and used for driving the auxiliary wheel (55) and the detection cutter wheel (56) to be attached to the belt (11) through the control cylinder (51), and a rotation assembly (59) arranged between the rotation plate (53) and the lifting frame (52) and used for driving the rotation plate (53) to rotate and simultaneously realizing the position locking of the rotation plate (53);
The measuring assembly (57) comprises a coil winding (571) which is detachably connected to the supporting frame (54), a data processing module which is connected with the coil winding (571), a magnetic rod (572) which is connected to the supporting frame (54) in a sliding manner, and a cutter wheel bracket (573) which is fixedly arranged at one end of the magnetic rod (572);
The support frame (54) is provided with a sliding hole (541), one end of the magnetic rod (572) is inserted into the inner ring of the coil winding (571) and positioned in the coil winding (571) and slides up and down in the sliding hole (541), the detection cutter wheel (56) is rotationally connected with the cutter wheel bracket (573),
The data processing module is used for detecting the magnetic flux change in the coil winding (571) so as to judge the contact height difference between the auxiliary wheel (55) and the detection cutter wheel (56), and the hardness of the belt (11) is obtained through algorithm calculation;
a pressure spring (574) is sleeved on one side of the magnetic rod (572) close to the cutter wheel bracket (573), and the pressure spring (574) is always in a compressed state and gives downward force to the cutter wheel bracket (573) so that the detection cutter wheel (56) can be tightly pressed against the surface of the belt (11);
the positioning assembly (58) comprises a pressure module (581) which is connected below the bearing plate (531) and is used for detecting the pressure value transmitted by the auxiliary wheel (55) and sending out a pressure detection signal;
The controller is connected with the pressure module (581) and the electric cylinder (51) and is used for receiving the pressure detection signal to know the pressure value born by the auxiliary wheel (55), when the pressure value born by the auxiliary wheel (55) is smaller than a preset pressure value, the auxiliary wheel (55) is not attached to the belt (11), and at the moment, the controller outputs a control signal to the electric cylinder (51) so that the electric cylinder (51) drives the auxiliary wheel (55) to move towards one side of the belt (11);
The device further comprises a conduction connecting rod (582) with two ends respectively hinged between the pressure module (581) and the supporting frame (54), wherein the conduction connecting rod (582) is used for conducting the contact pressure of the auxiliary wheel (55) and the support of the auxiliary wheel (55) and the belt (11) to the pressure module (581);
The rotating assembly (59) comprises a band-type brake motor (591) arranged in the support frame (54), a rotating shaft (592) arranged at one end of an output shaft of the band-type brake motor (591), and a limiting support rod (593) fixedly arranged on the support frame (54);
The rotary shaft (592) is fixedly connected with the rotary plate (53), a strip-shaped limit groove (532) which is provided with a certain arc radian and is matched with the limit support rod (593) is formed in the rotary plate (53), and the arc center of the limit groove (532) coincides with the center of the rotary shaft (592).
2. The roller type online belt hardness testing device according to claim 1, wherein: a limiting ring (575) is fixedly arranged on the magnetic rod (572), and the limiting ring (575) cannot penetrate through the sliding hole (541).
3. A roller type on-line belt hardness testing apparatus according to any one of claims 1-2, characterized in that: the movable telescopic clamping mechanism (6) comprises a movable frame (61) connected to the main support rod (2) in a sliding manner along the length direction of the main support rod (2), two fixing plates (64) respectively fixedly arranged on the two extension support rods (3), a movable assembly (62) arranged between the main support rod (2) and the movable frame (61) and used for driving the movable frame (61) to horizontally move along the width direction of the belt (11), a self-locking telescopic assembly (63) arranged between the extension support rods (3) and the main support rod (2) and used for driving the extension support rods (3) to move along the length direction of the main support rod (2) so as to adjust the total length of the two extension support rods (3) and the main support rod (2) and lock the two extension support rods, and a clamping assembly (65) arranged between the fixing plates (64) and the frame (12) of the belt conveyor (1) and used for fixing the two extension support rods; the movable frame (61) is detachably connected with the mounting frame (4), and the extension supporting rod (3) is slidably connected with the main supporting rod (2).
4. A roller type on-line belt hardness testing device according to claim 3, wherein: the self-locking telescopic assembly (63) comprises a rack (631) fixedly arranged on the main support rod (2), a rotating shaft (632) rotatably connected to the extension support rod (3), a driving gear (633) fixedly sleeved on the rotating shaft (632), a worm wheel (634), a plurality of driven gears (635) rotatably connected to the extension support rod (3), a worm (636) rotatably connected to the extension support rod (3) and a driving motor (637) arranged at one end of the worm (636);
A plurality of driven gears 635 are arranged along the length direction of the extending support rod 3, the rack 631 is meshed with the driving gear 633 and the driven gears 635, and the worm wheel 634 is meshed with the worm 636.
5. A roller type on-line belt hardness testing device according to claim 3, wherein: the moving assembly (62) comprises a driving screw rod (621) rotatably connected to the main supporting rod (2), and a power motor (622) arranged at one end of the driving screw rod (621); the driving screw (621) is in threaded connection with the moving frame (61), the main supporting rod (2) is provided with a moving groove along the length direction of the main supporting rod, and the moving frame (61) is positioned in the moving groove and slides in the moving groove.
6. A roller type on-line belt hardness testing device according to claim 3, wherein: the clamping assembly (65) comprises a connecting plate (651) fixedly arranged at the bottom of the fixed plate (64), two parallel supporting plates (652) fixedly arranged on the connecting plate (651) at intervals, a clamping plate (653) arranged between the two supporting plates (652), a clamping screw (654) rotatably connected to one side of the clamping plate (653), and a locknut (656) in threaded connection with the clamping screw (654); the clamping screw (654) is in threaded connection with one of the support plates (652), and the frame (12) of the belt conveyor (1) is positioned between the clamping plate (653) and the support plate (652).
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| CN202410308919.0A CN117902263B (en) | 2024-03-19 | 2024-03-19 | Roller type online belt hardness detection device |
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