CN104655960A - Detection device and method of electric slip ring - Google Patents
Detection device and method of electric slip ring Download PDFInfo
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- CN104655960A CN104655960A CN201510067039.XA CN201510067039A CN104655960A CN 104655960 A CN104655960 A CN 104655960A CN 201510067039 A CN201510067039 A CN 201510067039A CN 104655960 A CN104655960 A CN 104655960A
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- 230000008878 coupling Effects 0.000 description 1
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Abstract
The invention provides a detection device and a detection method of an electric slip ring. The device includes: a base; two bearing supports arranged on the base; a bearing disposed on each bearing support; the two ends of the roller are connected with the bearings; the motor is used for driving the roller to rotate; the bearing support is provided with a through hole for a slip ring rotator of a power supply slip ring to penetrate, the end part of the roller corresponding to the through hole is provided with a transmission mechanism capable of driving the slip ring rotator of the electric slip ring to rotate, and the outer side of the bearing support provided with the through hole is provided with an electric slip ring fixing mechanism. The direct and reliable test platform and the test method under the dynamic rotation working condition are provided for the signal transmission performance of the electric slip ring, the test and test application of the electric slip ring in different environments are suitable, and the problems of signal transmission performance detection and fault diagnosis under the simulation working condition of a slip ring product are effectively solved.
Description
Technical field
The present invention relates to wind power technology, particularly relate to a kind of pick-up unit and method of electric slip ring.
Background technology
Electric slip ring is the Signal transmissions mechanism of important automatically controlled, the communication of Wind turbines, safety guarantee, it is the critical component of aerogenerator unit safe stable operation, it relatively rotates by rotary part (rotor portion or slip ring rotary body) and stationary parts (stationary part or slip ring fixed body) transport sector carrying out Signal transmissions, thus by the various signal transmission fan control system in blower fan rotating mechanism, so it is also affect one of higher vitals of fan trouble rate.
Go out quality guarantee period along with large quantities of electric slip rings and enter the maintenance phase, a large amount of electric slip ring product needed guarantees, maintenance, in guarantee, safeguard that front and back need to detect electric slip ring, in addition, during electric slip ring product development reliability performance research test, need to detect its dynamic controllable rotating, thus determine electric slip ring failure problems or guarantee that the performance of electric slip ring meets the demands.But just at present, the electric slip ring fault diagnosis under running status, transmission performance detect and lack universal test techniques, testing tool and method.
In sum, technical field of wind power is badly in need of a kind of testing tool or method of electric slip ring, can carry out Aulomatizeted Detect to the signal transmission performance of electric slip ring and dynamic rotary state.
Summary of the invention
Embodiments of the invention provide a kind of pick-up unit and method of electric slip ring, and the test environment of analog electrical slip ring product actual motion state under various operating mode, verifies its transmission performance indicators, realize carrying out Aulomatizeted Detect to electric slip ring product.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A pick-up unit for electric slip ring, comprising:
Base; Be arranged on two bearing bridge on base; Be arranged on the bearing on each bearing bridge; Roller, its two ends are connected with described bearing; Motor, rotates for driving described roller; Bearing bridge described at least one is provided with through hole, penetrate for the slip ring rotary body for electric slip ring, the end of the described roller corresponding with described through hole has the gear train that the slip ring rotary body of described electric slip ring can be driven to rotate, and has electric slip ring fixed mechanism in the arranged outside of the described bearing bridge being provided with through hole.
Based on a detection method for the electric slip ring of aforementioned detection devices, comprising:
The slip ring connection cable of the slip ring rotary body side of electric slip ring is carried out short circuit; Described slip ring rotary body is penetrated and is arranged in the through hole of bearing bridge, and the slip ring rotary body of the gear train of the end of roller and electric slip ring is in transmission connection; Be fixed on by described electric slip ring on electric slip ring fixed mechanism, described electric slip ring fixed mechanism is arranged on the outside of described bearing bridge; The slip ring connection cable of the slip ring fixed body side of described electric slip ring is connected with PLC; Starter motor makes roller rotate; Send test signal by PLC to described electric slip ring and receive return signal, and return signal is sent to computing machine.
The pick-up unit of the electric slip ring that the embodiment of the present invention provides and method, electric slip ring is installed on described pick-up unit, roller in pick-up unit rotates under the driving of motor, and drive electric slip ring to rotate, reach the object of the actual motion state of analog electrical slip ring, in addition, electric slip ring is arranged on detection means, and the slip ring connection cable of its side is carried out short circuit, the slip ring connection cable of opposite side is connected with PLC, thus the analog detection reached electric slip ring signal transmission performance, and then its signal transmission performance index is verified.Signal transmission performance for electric slip ring provides directly, reliable test platform, and the method for testing under dynamic rotary operating mode, be suitable for test and the test application of the electric slip ring of varying environment, a difficult problem for signal transmission performance detection and fault diagnosis under effective solution slip ring product simulation duty.
Accompanying drawing explanation
Fig. 1 is the front view of the pick-up unit of the electric slip ring of exemplary embodiment of the present;
Fig. 2 is the left view of the pick-up unit of the electric slip ring of exemplary embodiment of the present;
Fig. 3 is the vertical view of the pick-up unit of the electric slip ring of exemplary embodiment of the present;
Fig. 4 is the back shaft system cut-open view of the pick-up unit of the electric slip ring of exemplary embodiment of the present;
Fig. 5 is the three-dimensional structure schematic diagram of the pick-up unit of the electric slip ring of exemplary embodiment of the present;
Fig. 6 is the pick-up unit of the electric slip ring of exemplary embodiment of the present and the mounting structure schematic diagram of slip ring sample detection;
Fig. 7 is the schematic flow sheet of the detection method of the electric slip ring of the pick-up unit based on electric slip ring of exemplary embodiment of the present;
Description of reference numerals:
1-base; 2-bearing bridge; 21-through hole; 3-roller; 4-motor; 6-bearing; 7-outer ring toothed disc; 8-first toothed disc; 9-gear protective cover; 10-joint flange; 101-inner flange joint face; 102-outside flange joint face; 11-top cross-bar.
Embodiment
Electric slip ring is a kind of for rotary body connection, and when the unrestricted continuous rotation of rotary body, the electric component of through-put power power supply, signal power source.Electric slip ring is arranged on the rotation center of equipment usually, form primarily of rotor portion and stationary part, stator and rotor portion draw the fixed sturcture of wire connection device and the power supply of rotational structure and terminal appliance respectively, and rotor portion is rotated along with the rotational structure of equipment.In order to be easier to understand and distinguish with equipment rotary body, in embodiments of the present invention, the rotor portion of electric slip ring being expressed as slip ring rotary body, stationary part being expressed as slip ring fixed body.
Based on the structure of aforementioned electric slip ring, as long as electric slip ring is attached on the equipment of unlimited rotary, provides power source just can to the rotary body of equipment, make this rotary body while unlimited rotary motion, also drive electric slip ring rotary motion, and detect the working condition under electric slip ring rotation status.
In addition, in order to the pick-up unit of the electric slip ring that the embodiment of the present invention provides can be illustrated more clearly in, will for Fig. 6, the side of mounted motor in this pick-up unit is expressed as the rear end face of this pick-up unit, offside with mounted motor is expressed as front end face, and the upper end that the base with pick-up unit is just right is expressed as top end face, in like manner, two faces of installing electric slip ring can be expressed as left side and right side respectively.Below in conjunction with accompanying drawing, the pick-up unit of the electric slip ring of the embodiment of the present invention and method are described in detail.
Embodiment one
Fig. 1 ~ Fig. 6 shows the structural representation of the pick-up unit of the electric slip ring of the embodiment of the present invention.
Fig. 1 is the front view of the pick-up unit of the electric slip ring of exemplary embodiment of the present, Fig. 2 is the left view of the pick-up unit of the electric slip ring of exemplary embodiment of the present, Fig. 3 is the vertical view of the pick-up unit of the electric slip ring of exemplary embodiment of the present, Fig. 4 is the back shaft system cut-open view of the pick-up unit of the electric slip ring of exemplary embodiment of the present, and Fig. 5 is the three-dimensional structure schematic diagram of the pick-up unit of the electric slip ring of exemplary embodiment of the present.
As shown in FIG., the agent structure of this pick-up unit comprises base 1; Be arranged on two bearing bridge 2 on base; Be arranged on the bearing 6 on each bearing bridge 2; Roller 3, the two ends of roller 3 are connected with bearing 6; Motor 4, rotates for driving roller 3; At least one bearing bridge 2 is provided with through hole 21, penetrates for the slip ring rotary body for electric slip ring; The end of the roller 3 corresponding with through hole 21 has the gear train that the slip ring rotary body of electric slip ring can be driven to rotate, and has electric slip ring fixed mechanism in the arranged outside of the bearing bridge 2 being provided with through hole 21.
Except above-mentioned agent structure, in order to coordinate the needs of detection, PLC can also be provided with.In addition, pick-up unit can also arrange the auxiliary body such as crossbeam and safety door.Introduce to the various piece of pick-up unit respectively below.
(1) about base and bearing bridge
Base 1 can be the rectangle structure be welded to form by four sections of channel-section steels, specifically can see the structure of the detecting device shown in Fig. 1, Fig. 4 and Fig. 5, be understandable that, base 1 is not limited to rectangle structure, as long as spring bearing support 2 can be convenient to, such as circular configuration, but, as the base 1 of circular configuration, also need to carry out the processing such as shape further to materials such as channel-section steels, more higher to the requirement of its material and processing industry, so rectangle structure can as the preferable shape of base 1.
On the base 1 of rectangle structure as illustrated in the drawing, can two bearing bridge 2 be welded on its base 1, tetragonal body framed structure is formed with base 1, as shown in Figure 5, in addition, bearing 6 is arranged on (as shown in FIG., bearing 6 can be arranged on the inner side of bearing bridge 2) on each bearing bridge 2.
(2) about roller
The two ends of roller 3 are connected with bearing 6, bearing track rotates, preferably, the middle part of the axial direction of roller 3 is provided with outer ring toothed disc 7, motor 4 is rotated by outer ring toothed disc 7 driving roller 3, further, motor 4 drives outer ring toothed disc 7 to rotate (in actual application by the first toothed disc 8, be not limited to the drive mechanism that the first toothed disc is such, as long as may be used for any one drive mechanism transmitting power, such as, worm-and-wheel gear, but from simplification structure and saving consumptive material angle, at this, preferred drives structure using toothed disc drive mechanism as the embodiment of the present invention, and the first toothed disc 8 can be outer ring gear), its drive mechanism and mode can participate in the left view of the pick-up unit shown in Fig. 2, the installation site of the first toothed disc 8 can see Fig. 2.
Motor 4 can be horizontally fixed on base 1 by bolt, and motor 4 is provided with toothed disc connection bearing, this bearing is connected with the first toothed disc 8, and the gear teeth of the first toothed disc 8 engage with the outer ring toothed disc 7 in the middle part of roller 3, first rotation of toothed disc 8 along with motor 4 and rotating, and directly drive outer ring toothed disc 7 to rotate by gear drive, thus roller 3 is driven to rotate.
It should be noted that, the embodiment of the present invention does not limit the mounting structure of motor 4, in practical application, according to the difference of drive mechanism, the mounting structure of motor can be adjusted, such as, drive mechanism is worm-and-wheel gear, now, for ease of installation and the functional realiey of worm-and-wheel gear, motor 4 can be installed vertically on base 1.
Further, the position coordinated with the first toothed disc 8 at outer ring toothed disc 7 is provided with gear protective cover 9, and its installation site can see Fig. 1 and Fig. 4.First toothed disc 8 is arranged in gear protective cover 9; gear protective cover 9 is arranged on immediately below outer ring toothed disc 7; while protection first toothed disc 8; Gravity support effect can also be provided for roller 3; in addition, can also play and prevent human body to be involved in the first toothed disc 8 and the matching part of outer ring toothed disc 7 and the effect that damages.
(3) about electric slip ring fixed mechanism
Aforementioned detection devices is the equipment of the unlimited rotary of a simulation, complete the detection of the signal transmission performance to electric slip ring, this pick-up unit also needs the installing mechanism arranging electric slip ring, namely be arranged on the electric slip ring fixed mechanism in the outside of bearing bridge 2.
According to a preferred embodiment of the invention, electric slip ring fixed mechanism is the joint flange 10 mated with the flange face of electric slip ring, preferably, this joint flange 10 is dismountable flange dish, this dismountable flange dish has inner flange joint face 101 and outside flange joint face 102, outside flange joint face 102 is fixedly connected with bearing bridge 2 by bolt, and inner flange joint face 101 is for being fixedly connected with the flange face of electric slip ring.The structure of joint flange 10 and the syndeton of outside flange joint face 102 thereof, can see the left view of pick-up unit as shown in Figure 2.
This pick-up unit provided by the invention, by changing joint flange 10, the electric slip ring of different model just can be installed, thus the electric slip ring of different model can be detected, improve the practicality of this device, solving pick-up unit in prior art can only (a kind of pick-up unit can only detect a kind of electric slip ring of model) limitation of detecting one to one.Wherein, the mounting structure of electric slip ring can see the mounting structure schematic diagram of the pick-up unit of electric slip ring as shown in Figure 6 and slip ring sample detection.
The slip ring rotary body (rotor portion) of electric slip ring is inserted in the through hole 21 of setting on bearing bridge 2, is connected with the rotational structure of bearing 6; Its slip ring fixed body (stationary part) is then bolted by the flange face of electric slip ring and the inner flange joint face 101 of joint flange 10, thus electric slip ring is fixedly mounted on the outside of bearing bridge 2.
(4) about the gear train be arranged on roller
According to another preferred embodiment of the invention, shift fork (gear train) is provided with in the end of the roller 3 corresponding with through hole 21, after the slip ring rotary body of electric slip ring is inserted into through hole 21, shift fork engages fixing with slip ring rotary body, thus roller 3 drives the slip ring rotary body of electric slip ring to rotate.It will be appreciated by persons skilled in the art that the gearing of the end being arranged on roller 3 is not limited to shift fork, also can be other power transmission mechanisms or the devices such as gear.
(5) about PLC
Above the physical construction of pick-up unit being described in detail, based on aforementioned mechanical arrangement, for completing the detection of electric slip ring, also having needed electric slip ring input signal, and detected the signal returned from electric slip ring.
Based on this, the PLC that this pick-up unit also comprises computing machine and is connected with computing machine, in the process detected, PLC is connected on the slip ring connection cable of computing machine and electric slip ring fixed body, for carrying out input to electric slip ring.
Particularly, after pick-up unit starts, electric slip ring rotates under the transmission of roller 3, now, computing machine controls PLC and sends measured signal (such as, voltage signal, current signal etc.) to slip ring, return signal is gathered by the signal acquisition module in PLC, be delivered to computing machine, computing machine is analyzed this return signal, thus judges the signal transmission performance of electric slip ring or carry out fault diagnosis to it.
It should be noted that at this, under normal circumstances, all there is slip ring connection cable the both sides of electric slip ring, based on technical scheme of the present invention, by the slip ring connection cable short circuit of the slip ring rotary body side of electric slip ring to be measured, the slip ring connection cable of opposite side connects signal output part and the signals collecting end of PLC respectively, for receive PLC send measured signal and to PLC return signal.
Below by citing, the structure of aforementioned detection devices and working method are further illustrated.
Before startup pick-up unit of the present invention, by flange bolt, electric slip ring is fixed on the inner flange joint face 101 of joint flange 10, the slip ring rotary body (rotor) of its electric slip ring is through the center pit of joint flange, penetrate in the through hole 21 of bearing bridge 2, slip ring rotary body (rotor) is connected with the rotational structure of bearing 6.
According to pick-up unit provided by the invention, at least one bearing bridge 2 offers through hole 21, in actual applications, according to the demand detected, only through hole 21 can be set on a bearing bridge 2, so, this pick-up unit can detect an electric slip ring to be measured at every turn, also through hole 21 can be set respectively on two bearing bridge 2, thus two electric slip rings to be measured can be detected at every turn simultaneously, thus improve detection efficiency.
On the other hand, the slip ring of electric slip ring is rotated the slip ring connection cable short circuit (can be docked by Harding's rapid-acting coupling of standard configuration) on side, the slip ring connection cable of opposite side then connects signal output part and the signals collecting end of PLC respectively, for receiving the signal that PLC sends, and to PLC return signal, so, the slip ring connection cable of electric slip ring just defines a loop, transmits for settling signal.
Electric slip ring to be fixedly mounted and after connecting, just can starter motor 4, motor 4 can drive the outer ring toothed disc 7 being arranged on the medium position of the axial direction of roller 3 to rotate by the first toothed disc 8, thus drive roller 3 to rotate, the shift fork being arranged on its two ends of roller 3 engages with the slip ring rotary body of electric slip ring, its rotary power is sent to the slip ring rotary body of electric slip ring, drive the slip ring rotary body of electric slip ring to rotate.
Meanwhile, computing machine controls PLC and sends signal (such as by signal output part to electric slip ring, voltage signal, current signal etc.), signal is after electric slip ring, PLC obtains the signal after electric slip ring by signals collecting end again, and by this Signal transmissions to computing machine, computing machine is analyzed this signal, thus judge the signal transmission performance of electric slip ring or fault diagnosis is carried out to it.
(6) about crossbeam and safety door
By the structure of aforementioned detection devices and the application example of pick-up unit, pick-up unit provided by the invention can complete the testing of electric slip ring.
Further, in order to make, pick-up unit of the present invention is more firm, structure is more humane, the pick-up unit of the embodiment of the present invention can also comprise top cross-bar 11 (as shown in Figures 2 and 3), is connected to the top of bearing bridge 2, thus makes bearing bridge 2 more firm.
On the other hand; it will be appreciated by persons skilled in the art that, in pick-up unit operational process of the present invention, the rotation of motor 4 and roller 3 exists certain potential safety hazard to staff; in pick-up unit, safety door can be installed, available protecting staff personal safety.Particularly, pick-up unit of the present invention comprises three safety doors, is separately positioned on the front end face of this pick-up unit, rear end face and top end face, forms enclosure space with two bearing bridge 2 and base 1.
Safety door can be, but not limited to transparent glass material, wood materials or steel, but, for the ease of observing the ruuning situation of monitoring device of the present invention, using the preferred material of transparent glass material as safety door in the embodiment of the present invention, certainly, the structure of safety door can according to applied environment and condition setting, such as, each safety door can comprise one piece of glass material, this monolithic glass material is covered the front end face of bearing bridge 2, rear end face or top end face, this safety door can be opened by the mode pulled outward or slide on bearing bridge 2; Again such as, the safety door of each is designed to two pieces of glass materials, these two pieces of glass materials form a door structure at each end face.
Further, each safety door comprises travel switch sensor, and this sensor is connected with the Switching Power Supply of this pick-up unit, and when Switching Power Supply is opened (when pick-up unit is started working), this safety door is locked.Be understandable that, this safety door can be also manual control, before pick-up unit is started working, is manually locked.
Carry out height for enabling pick-up unit of the present invention to regulate, for staff provides convenient in testing, supporting leg can also be installed in the base bottom of this pick-up unit, such as, if base is rectangle structure, then on four angles, a supporting leg can be installed respectively, this pick-up unit can highly be regulated, also can install steadily.
Because the pick-up unit of electric slip ring of the present invention is mostly steel, singularity (the environment that Wind turbines is installed of itself applied environment, such as, offshore wind farm unit, such environment is comparatively moist, and salt fog is larger), this pick-up unit easily may be corroded, get rusty, and causes its serviceable life shorter.For addressing this problem, need to do the process such as anticorrosion, Defend salt fog to this pick-up unit, like this, this pick-up unit can bear some salt-fog tests, water pouring test, also can increase the service life in different applied environments.
On the other hand, the pick-up unit of electric slip ring of the present invention adopts motor driving roller 3 to rotate, comprising geartrain components and axle system rotating mechanism parts etc., wearing and tearing can be there are unavoidably between parts, and due to friction each other, temperature also constantly can rise so that exceed its rated temperature, cause the damage of parts (or reducing serviceable life), in addition, if ambient temperature is also higher, the wearing and tearing between parts also will increase.For solving these problems aforementioned, the low temperature resistant lubricity grease that some can be used to specify, reduces wear, and can also by selecting low temperature resistant row cutting motor, thus enable this pick-up unit tackle high-low-temperature environmental testing simultaneously.
The pick-up unit of the electric slip ring that the embodiment of the present invention provides, its structure is easily changed, easy to assembly, applicability good, the dynamic transmission performance that can complete electric slip ring product detects, solve the harmless recovery of electric slip ring, the lower dynamic test difficult problem of persistent movement rotation, in addition, the detachable fixed flange design at these pick-up unit two ends, can detect electric slip ring product that is dissimilar, different type of machines.
In sum, the present invention is that the signal transmission performance of electric slip ring provides directly, reliable test platform, and the method for testing under dynamic rotary operating mode, be suitable for test and the test application of the electric slip ring of varying environment, a difficult problem for signal transmission performance detection and fault diagnosis under effective solution slip ring product simulation duty.
Embodiment two
Fig. 7 is the schematic flow sheet of the detection method of the electric slip ring of the pick-up unit of the electric slip ring based on embodiment one of exemplary embodiment of the present.
With reference to Fig. 7, the detection method of the electric slip ring of exemplary embodiment of the present comprises the steps:
Step 21, carries out short circuit by the slip ring connection cable of the slip ring rotary body side of electric slip ring.Wherein, slip ring connection cable can be docked by Harding's joint of standard configuration, thus realizes the short circuit of slip ring connection cable.
Step 22, penetrates slip ring rotary body and is arranged in the through hole of bearing bridge, and the slip ring rotary body of the gear train of the end of roller and electric slip ring is in transmission connection.
The medium position of the axial direction of roller is provided with outer ring toothed disc, motor drives this outer ring toothed disc by the first toothed disc, thus drive roller to rotate, and be provided with gear train (such as at the two ends of roller, shift fork), roller is engaged with the slip ring rotary body of electric slip ring by this gear train, drives the slip ring rotary body of electric slip ring to rotate, thus reaches the object of analog electrical slip ring work on the spot state.
Step 23, be fixed on by electric slip ring on electric slip ring fixed mechanism, electric slip ring fixed mechanism is arranged on the outside of above-mentioned bearing bridge.
Step 24, is connected the slip ring connection cable of the slip ring fixed body side of electric slip ring with PLC.Integrating step 21, it will be appreciated by persons skilled in the art that this electric slip ring self forms a circuit loop.
Step 25, starter motor makes roller rotate.Motor can be rotated by the first toothed disc driving roller.Such as, motor can be horizontally fixed on base by bolt, and motor is provided with toothed disc connection bearing, this bearing is connected with the first toothed disc, and the gear teeth of the first toothed disc engage with the outer ring toothed disc in the middle part of roller, first toothed disc then rotates along with the rotation of motor, and directly drives outer ring toothed disc to rotate by gear drive, thus drives roller to rotate.
Step 26, sends test signal by PLC to electric slip ring and receives return signal, and return signal is sent to computing machine.
On computers, can by interactive software (such as, LabView interactive software) set roller rotating speed and rotation direction, and click start button and to be unlocked motor, thus pick-up unit is run, on the other hand, computing machine controls PLC and sends signal (such as by signal output part to electric slip ring, voltage signal, current signal etc.), signal is after electric slip ring, PLC obtains the signal after electric slip ring by signals collecting end again, and by this Signal transmissions to computing machine, computing machine is analyzed this signal, thus judge the signal transmission performance of electric slip ring or fault diagnosis is carried out to it.
The detection method of the electric slip ring based on aforementioned detection devices provided by the invention, control PLC by computing machine and send signal to electric slip ring, after electric slip ring, signal is back to PLC, this signal is analyzed, thus reach the signal transmission performance detecting electric slip ring, in addition, the rotating speed that PLC can also control the roller of aforementioned detection devices turns to, thus the different running statuses of analog electrical slip ring, the signal transmission performance of electric slip ring under detection different conditions, under efficiently solving electric slip ring product simulation duty, signal transmission performance detects, a difficult problem for fault diagnosis.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (12)
1. a pick-up unit for electric slip ring, is characterized in that, comprising:
Base;
Be arranged on two bearing bridge on base;
Be arranged on the bearing on each bearing bridge;
Roller, its two ends are connected with described bearing;
Motor, rotates for driving described roller;
Bearing bridge described at least one is provided with through hole, penetrates for the slip ring rotary body for electric slip ring,
The end of the described roller corresponding with described through hole has the gear train that the slip ring rotary body of described electric slip ring can be driven to rotate,
Electric slip ring fixed mechanism is had in the arranged outside of the described bearing bridge being provided with through hole.
2. pick-up unit according to claim 1, is characterized in that, described electric slip ring fixed mechanism is the joint flange mated with the flange face of described electric slip ring.
3. pick-up unit according to claim 2, it is characterized in that, described joint flange is dismountable flange dish, described dismountable flange dish has inner flange joint face and outside flange joint face, described outside flange joint face is fixedly connected with described bearing bridge by bolt, and described inner flange joint face is used for being fixedly connected with the flange face of described electric slip ring.
4. pick-up unit according to claim 1, it is characterized in that, the end of the described roller corresponding with described through hole is provided with shift fork, and after the slip ring rotary body of described electric slip ring is inserted into described through hole, described shift fork engages fixing with described slip ring rotary body.
5. pick-up unit according to claim 1, is characterized in that, the middle part of the axial direction of described roller is provided with outer ring toothed disc, and described motor drives described roller to rotate by described outer ring toothed disc.
6. pick-up unit according to claim 5, is characterized in that, described motor drives described outer ring toothed disc to rotate by the first toothed disc.
7. pick-up unit according to claim 6, is characterized in that, the position coordinated with described first toothed disc at described outer ring toothed disc is provided with gear protective cover.
8. pick-up unit according to claim 1, is characterized in that, also comprises top cross-bar, is connected to the top of described bearing bridge.
9. pick-up unit according to claim 1, is characterized in that, also comprises three safety doors, is separately positioned on the front end face of described pick-up unit, rear end face and top end face, forms enclosure space with described two bearing bridge and described base.
10. pick-up unit according to claim 9, it is characterized in that, safety door described in each comprises travel switch sensor, and described travel switch sensor is connected with the Switching Power Supply of described pick-up unit, when described Switching Power Supply is opened, described safety door locking.
11. pick-up units according to claim 1, it is characterized in that, the PLC also comprising computing machine and be connected with computing machine, in the process detected, described PLC is connected on the slip ring connection cable of described computing machine and electric slip ring fixed body, for carrying out input to described electric slip ring.
12. 1 kinds, based on the detection method of the electric slip ring of the pick-up unit described in the claims 11, is characterized in that, comprising:
The slip ring connection cable of the slip ring rotary body side of electric slip ring is carried out short circuit;
Described slip ring rotary body is penetrated and is arranged in the through hole of bearing bridge, and the slip ring rotary body of the gear train of the end of roller and electric slip ring is in transmission connection;
Be fixed on by described electric slip ring on electric slip ring fixed mechanism, described electric slip ring fixed mechanism is arranged on the outside of described bearing bridge;
The slip ring connection cable of the slip ring fixed body side of described electric slip ring is connected with PLC;
Starter motor makes roller rotate;
Send test signal by PLC to described electric slip ring and receive return signal, and return signal is sent to computing machine.
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| CN106199292A (en) * | 2016-08-29 | 2016-12-07 | 九江精达检测技术有限公司 | A kind of Portable precise conducting slip ring detecting system and detection method thereof |
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| CN109472972A (en) * | 2017-09-08 | 2019-03-15 | 新疆金风科技股份有限公司 | Electric slip ring fault detection method and device |
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