CN111682704A - Power-off device for preventing motor of electromechanical equipment from rotating at too high speed - Google Patents
Power-off device for preventing motor of electromechanical equipment from rotating at too high speed Download PDFInfo
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- CN111682704A CN111682704A CN202010652838.4A CN202010652838A CN111682704A CN 111682704 A CN111682704 A CN 111682704A CN 202010652838 A CN202010652838 A CN 202010652838A CN 111682704 A CN111682704 A CN 111682704A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/28—Manual switches
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
- H02K7/075—Means for converting reciprocating motion into rotary motion or vice versa using crankshafts or eccentrics
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
- H02K7/1163—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/06—Machines characterised by the presence of fail safe, back up, redundant or other similar emergency arrangements
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- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a power-off device for preventing the over-high rotating speed of a motor of electromechanical equipment, which comprises a power-off device, a power-off cavity is arranged in the power breaker, the left side of the power-off cavity is positioned in the power breaker and is internally provided with a centrifugal cavity, the left side of the centrifugal cavity is positioned in the breaker and is internally provided with a starting cavity which is internally provided with a slide block capable of sliding left and right, the invention can automatically control the way of cutting off the power supply of the motor of the equipment by manually pressing the emergency stop button or when the emergency stop button cannot be pressed in time, when the rotating speed of the motor of the equipment is too high, the power supply of the equipment is cut off in time through a series of automatic treatments, therefore, the possibility of damage to the electromechanical equipment is reduced, the service life of the electromechanical equipment is prolonged, and meanwhile, the motor of the equipment is convenient to reset so that the whole electromechanical equipment can continue to operate.
Description
Technical Field
The invention relates to the relevant technical field of electromechanical equipment, in particular to a power-off device for preventing the motor of the electromechanical equipment from rotating at an excessively high speed.
Background
In the process of using electromechanical equipment to produce and process, the emergency situation that the rotating speed of a motor is too high always exists, the conventional electromechanical equipment is generally only provided with an emergency stop button, even if the existing emergency stop button can prevent the electromechanical equipment from being damaged due to the too high rotating speed of the motor, however, when the temporary emergency situation occurs, the emergency stop button still needs to be pressed manually, if the too high rotating speed of the motor is a sudden emergency accident, people standing around the electromechanical equipment can not quickly react by pressing the emergency stop button manually, or no people are watched around the electromechanical equipment, the emergency situation can not be timely reacted, and the electromechanical equipment can be damaged or even scrapped under the situations. The present invention sets forth a device that solves the above problems.
Disclosure of Invention
The technical problem is as follows: the emergency stop button still needs to be pressed manually, people standing around the electromechanical equipment cannot respond quickly, people are not watched around the electromechanical equipment, and the electromechanical equipment is damaged or even scrapped under the conditions.
In order to solve the above problems, the present embodiment provides a power cutoff device for preventing the motor of the electromechanical device from rotating too fast, the power cutoff device for preventing the motor of the electromechanical device from rotating too fast of the present embodiment comprises a power cutoff device, a power cutoff cavity is arranged in the power cutoff device, the left side of the power cutoff cavity is located in a centrifugal cavity arranged in the power cutoff device, the left side of the centrifugal cavity is located in a starting cavity arranged in the power cutoff device, a slide block is arranged in the starting cavity and can slide left and right, a push spring is jointly connected and fixed between the right end face of the slide block and the right wall in the starting cavity, the upper end face of the slide block is provided with an automatic clamping groove with an upward opening, the left end face of the slide block is fixedly provided with a contact block, the left wall in the starting cavity is fixedly provided with a contact switch, the upper wall in the starting cavity is communicated with an automatic clamping block cavity, a reset spring is jointly connected and fixed between the upper end face of the automatic clamping block and the upper wall in the cavity of the automatic clamping block, the right wall in the power-off cavity is communicated with a sliding rod cavity with an upward opening, a sliding rod capable of sliding up and down is arranged in the sliding rod cavity, the upper end of the sliding rod extends upwards to the upper side of the upper end face of the power-off device, an emergency stop button is fixedly arranged on the upper end face of the sliding rod, an emergency stop spring is jointly connected and fixed between the lower end face of the emergency stop button and the upper end face of the power-off device, a wheel rod is fixedly arranged on the lower end face of the sliding rod, the left end of the wheel rod penetrates through the sliding rod cavity leftwards and extends to the power-off cavity, a pulley is rotatably arranged at the left end of the wheel rod, a manual clamping groove with a rightward opening is arranged on the upper side of the right end face of the sliding, the manual fixture block right-hand member face with it is fixed to be equipped with the fixture block spring to connect jointly between the manual fixture block intracavity right wall, the intracavity that cuts off the power supply can the horizontal slip be equipped with the equipment motor, the fixed drive chamber that is equipped with of equipment motor up end, the fixed drive rod that is equipped with down of terminal surface under the equipment motor.
Preferably, the right end face of the motor of the equipment is provided with a right spline barrel in a power connection way, the right wall in the power-off cavity is rotatably provided with a spline shaft, the spline shaft is positioned in the power-off cavity, the outer circumference of the spline shaft can be connected with the inner circle of the right spline cylinder through a spline, an equipment contact switch is fixedly arranged in the right spline cylinder, an equipment contact block is fixedly arranged at the left end of the spline shaft position and the power-off cavity, the right end surface of the equipment contact switch can be completely contacted with the left end surface of the equipment contact block, the left end surface of the equipment motor is dynamically connected with a left spline cylinder, a centrifugal shaft is connected and arranged in the left spline cylinder through a spline, the left end of the centrifugal shaft extends leftwards to the inner wall of the breaker, the upper driving cavity is provided with a semi-spherical hemisphere, the right end face of the upper driving cavity is fixedly provided with a semi-spherical hemisphere, the surface of the hemisphere can be in contact with the outer circumference of the pulley, and a movable cavity is communicated between the lower walls of the power-off cavities.
Preferably, the left side of the starting cavity is positioned in the breaker and is internally provided with a wire wheel cavity, the lower wall in the wire wheel cavity is rotatably provided with a wire wheel shaft, the upper end of the wire wheel shaft extends upwards into the wire wheel cavity and is fixedly provided with a wire wheel, the outer circumference of the wire wheel positioned in the wire wheel cavity is wound with a traction rope, the upper end face of the breaker is fixedly provided with a warning lamp, the lower side of the warning lamp is positioned in the breaker and is internally provided with an energizing block cavity, the energizing block cavity is internally provided with an energizing block which can slide left and right, a push block spring is fixedly connected between the left end face of the energizing block and the left wall in the energizing block cavity, one end of the traction rope penetrates through the breaker and is fixedly connected with the left end face of the energizing block, the lower side of the energizing block cavity is positioned on the inner wall of the breaker, the upper wall and the lower wall in the cavity of the electrifying block separate the electric wire, and the upper end surface and the lower end surface of the electrifying block can be respectively contacted with the electric wire on the upper side and the lower side in the cavity of the electrifying block, so that the electrifying effect is achieved.
Preferably, the lower side of the line wheel cavity is located on a motor fixedly arranged on the inner wall of the breaker, the lower end of the line wheel shaft extends downwards and is in power connection with the upper end face of the motor, the lower end face of the motor is in power connection with a motor shaft, the lower side of the motor is located on a bevel gear cavity arranged in the breaker, a cam cavity is arranged on the lower side of the bevel gear cavity, the lower end of the motor shaft penetrates downwards through the bevel gear cavity and extends into the cam cavity, and a cam is fixedly arranged at the lower end of the motor shaft and is located in.
Preferably, the lower wall intercommunication in the cam chamber is equipped with the alarm chamber, the warning intracavity can the horizontal slip be equipped with the reciprocating plate, reciprocating plate upper end upwards extends to the cam intracavity just can the horizontal slip in the cam chamber, the reciprocating plate is located cam intracavity left end face with it is fixed to be equipped with reciprocal spring to connect jointly between the left wall in the cam chamber, the reciprocating plate is located alarm intracavity left end face is located the striker downside is fixed and is equipped with the striker, the fixed axle that is equipped with of alarm intracavity lower wall, fixed axle upper end upwards extends to the alarm intracavity just fixed alarm clock that is equipped with.
Preferably, the motor shaft is fixedly provided with a driving bevel gear at the outer circumference in the bevel gear cavity, a bevel gear shaft is rotatably arranged on the back wall in the bevel gear cavity, the bevel gear shaft extends forwards into the bevel gear cavity and is fixedly provided with a driven bevel gear which can be meshed with the driving bevel gear, the rear side of the bevel gear cavity is positioned in the breaker and is internally provided with a pulley shaft, the lower end of the bevel gear shaft extends downwards into the pulley shaft and is rotatably arranged on the inner rear wall of the pulley shaft, the bevel gear shaft is positioned inside and outside the pulley shaft and is provided with a driving pulley in a rotating way, the inner rear wall of the pulley shaft is positioned on the right side of the driving pulley and is provided with a gear shaft in a rotating way at the lower side of the driving pulley, the front end of the gear shaft extends forwards into the pulley shaft, the gear shaft is positioned inside and outside the pulley shaft, driven pulleys are fixedly arranged on the inner circumference and the outer circumference of the pulley shaft, and a power belt is wound between the driving pulleys and the driven pulleys.
Preferably, the front side of the power-off cavity and the left side of the cam cavity are provided with a rack cavity, the upper wall of the rack cavity is communicated with the lower wall of the moving cavity, the lower wall of the rack cavity is communicated with a gear cavity, the front end of the gear shaft extends forwards into the gear cavity and is rotatably arranged on the front wall of the gear cavity, the gear shaft is arranged on gears fixedly arranged on the inner and outer circumferences of the gear cavity, one part of the upper side of each gear is arranged in the rack cavity, a moving block is arranged in the rack cavity in a left-right sliding manner, a rack capable of being meshed with the gear is fixedly arranged on the left end face of the moving block, and the lower end face of the lower driving rod penetrates through the moving cavity and extends downwards into the rack cavity and is fixedly connected.
But preferentially, the centrifugal shaft left end extends to left the centrifugal intracavity and rotate and locate centrifugal intracavity left wall, the centrifugal shaft is located the fixed centrifugal bucket that is equipped with of centrifugal intracavity outside and inside circumference, the interior circumference array of centrifugal bucket is equipped with the outside centrifugal chamber of opening, the internal external gliding centrifugal piece that is equipped with of centrifugal chamber, centrifugal piece medial surface with be close to in the centrifugal bucket connect fixedly between the inner wall of centrifugal shaft one side jointly and be equipped with centrifugal spring, the centrifugal intracavity is located gliding slide about the centrifugal bucket upside can be equipped with, slide up end with connect fixedly between the centrifugal intracavity upper wall and be equipped with jointly, the slider right-hand member face with pass between the slide up end the outage ware inner wall connects fixedly and is equipped with centrifugal stay cord jointly.
Preferably, the circuit breaker left end face is equipped with the pull ring chamber of opening left, the ability horizontal slip of pull ring intracavity is equipped with the pull ring, the pull ring left end extends to left the pull ring chamber left side just is located circuit breaker left end face left side, the pull ring right-hand member face with it is equipped with the pull ring spring to connect fixedly between the pull ring intracavity right side wall jointly, the pull ring right-hand member face with pass between the automatic fixture block up end the circuit breaker inner wall connects fixedly jointly and is equipped with automatic stay cord, the pull ring right-hand member face with pass between the manual fixture block right-hand member face the circuit breaker inner wall connects fixedly jointly and is equipped with manual stay cord.
The invention has the beneficial effects that: the invention can automatically control the power supply of the equipment motor to be disconnected through manually pressing the emergency stop button or when the emergency stop button cannot be pressed in time, and can timely disconnect the equipment motor through a series of automatic treatments when the rotating speed of the equipment motor is too high, thereby reducing the possibility of damage of the electromechanical equipment, prolonging the service life of the electromechanical equipment, and simultaneously facilitating the resetting of the equipment motor so as to facilitate the continuous operation of the whole electromechanical equipment.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic diagram of the overall structure of a power-off device for preventing the over-speed of the motor of the electromechanical device according to the present invention;
FIG. 2 is an enlarged view of the structure of "A" in FIG. 1;
FIG. 3 is an enlarged view of the structure of "B" in FIG. 1;
FIG. 4 is an enlarged view of the structure of "C" of FIG. 1;
FIG. 5 is a schematic view of the structure in the direction "D-D" of FIG. 1;
FIG. 6 is a schematic view of the structure in the direction "E-E" of FIG. 5.
Detailed Description
The invention will now be described in detail with reference to fig. 1-6, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a power-off device for preventing an electromechanical device motor from rotating at an excessively high speed, which comprises a power-off device 11, wherein a power-off cavity 12 is arranged in the power-off device 11, the left side of the power-off cavity 12 is positioned in the power-off device 11 and is provided with a centrifugal cavity 13, the left side of the centrifugal cavity 13 is positioned in the power-off device 11 and is provided with a starting cavity 14, a slide block 16 is arranged in the starting cavity 14 and can slide left and right, a push spring 20 is jointly connected and fixed between the right end surface of the slide block 16 and the right wall in the starting cavity 14, the upper end surface of the slide block 16 is provided with an automatic clamping groove 17 with an upward opening, the left end surface of the slide block 16 is fixedly provided with a contact block 18, the left wall in the starting cavity 14 is fixedly provided with a contact switch 19, the upper wall in the starting cavity 14 is communicated with an automatic clamping block cavity 15, an automatic clamping block, a return spring 23 is fixedly connected between the upper end face of the automatic fixture 22 and the upper wall in the automatic fixture cavity 15, the right wall in the power-off cavity 12 is communicated with a slide rod cavity 70 with an upward opening, a slide rod 71 capable of sliding up and down is arranged in the slide rod cavity 70, the upper end of the slide rod 71 extends upwards to the upper side of the upper end face of the power-off device 11, an emergency stop button 75 is fixedly arranged on the upper end face of the slide rod 71, an emergency stop spring 76 is fixedly connected between the lower end face of the emergency stop button 75 and the upper end face of the power-off device 11, a wheel rod 72 is fixedly arranged on the lower end face of the slide rod 71, the left end of the wheel rod 72 penetrates through the slide rod cavity 70 leftwards and extends to the power-off cavity 12, a pulley 74 is rotatably arranged at the left end of the wheel rod 72, a manual clamping groove 73 with a rightward opening is arranged on the upper side of the right end face of the slide rod 71, a manual fixture cavity 77 is, the manual clamping block 78 is arranged in the manual clamping block cavity 77 and can slide left and right, a clamping block spring 79 is fixedly connected between the right end face of the manual clamping block 78 and the right wall in the manual clamping block cavity 77, the equipment motor 54 is arranged in the power-off cavity 12 and can slide left and right, an upper driving cavity 55 is fixedly arranged on the upper end face of the equipment motor 54, and a lower driving rod 53 is fixedly arranged on the lower end face of the equipment motor 54.
Beneficially, a right spline cylinder 57 is disposed on the right end face of the device motor 54 in a power connection manner, a spline shaft 58 is disposed on the right wall of the power failure chamber 12 in a rotating manner, the spline shaft 58 is located on the inner and outer circumferences of the power failure chamber 12 and can be connected with the inner circle of the right spline cylinder 57 through a spline, a device contact switch 61 is fixedly disposed in the right spline cylinder 57, a device contact block 62 is fixedly disposed on the position of the spline shaft 58 and the left end of the power failure chamber 12 in a fixed manner, the right end face of the device contact switch 61 can be in complete contact with the left end face of the device contact block 62, a left spline cylinder 59 is dynamically connected to the left end face of the device motor 54, a centrifugal shaft 60 is disposed in the left spline cylinder 59 in a connected manner, the left end of the centrifugal shaft 60 extends to the inner wall of the power failure chamber 11 leftwards, a hemispherical hemisphere 56 is fixedly disposed on the, a movable cavity 52 is communicated between the inner wall and the lower wall of the power-off cavity 12.
Beneficially, the left side of the starting cavity 14 is located in the breaker 11, a cable wheel cavity 25 is arranged in the breaker 11, a cable shaft 26 is arranged in the cable wheel cavity 25 in a rotating mode at the lower wall, the upper end of the cable shaft 26 upwards extends into the cable wheel cavity 25 and is fixedly provided with a cable wheel 27, the cable wheel 27 is located in the cable wheel cavity 25 and surrounds a traction rope 28, a warning lamp 82 is fixedly arranged on the upper end face of the breaker 11, an electrifying block cavity 83 is arranged in the breaker 11 at the lower side of the warning lamp 82, an electrifying block 84 is arranged in the electrifying block cavity 83 in a left-right sliding mode, a push block spring 85 is fixedly connected between the left end face of the electrifying block 84 and the left wall in the electrifying block cavity 83, one end of the traction rope 28 penetrates through the breaker 11 and is fixedly connected to the left end face of the electrifying block 84, the lower side of the electrifying block cavity 83 is, the electric connection is equipped with electric wire 89 between the up end of battery 81 the lower terminal surface of warning light 82, two walls will about in the circular telegram piece chamber 83 electric wire 89 cuts off, both ends face can respectively in both sides about in circular telegram piece chamber 83 electric wire 89 contacts, reaches the effect of circular telegram.
Beneficially, line wheel chamber 25 downside is located the fixed motor 29 that is equipped with of breaker 11 inner wall, line wheel shaft 26 lower extreme downwardly extending and power connect in the motor 29 up end, terminal surface power connection has motor shaft 30 under the motor 29, motor 29 downside is located be equipped with bevel gear chamber 31 in the breaker 11, bevel gear chamber 31 downside is equipped with cam chamber 33, the downward passing of motor shaft 30 lower extreme bevel gear chamber 31 extends to in the cam chamber 33, the 30 lower extreme of motor shaft is located cam chamber 33 internal fixation is equipped with cam 34.
Beneficially, an alarm cavity 35 is communicated with the inner lower wall of the cam cavity 33, a reciprocating plate 36 is arranged in the alarm cavity 35 and can slide left and right, the upper end of the reciprocating plate 36 extends upwards into the cam cavity 33 and can slide left and right in the cam cavity 33, the reciprocating plate 36 is located between the inner left end face of the cam cavity 33 and the inner left wall of the cam cavity 33, a reciprocating spring 69 is fixedly connected and arranged, the reciprocating plate 36 is located at the inner left end face of the alarm cavity 35 and located at the lower side of the striker 37, a fixed shaft 38 is fixedly arranged on the inner lower wall of the alarm cavity 35, and an alarm clock 39 is fixedly arranged in the alarm cavity 35 and at the upper end of the fixed shaft 38.
Beneficially, the motor shaft 30 is fixedly provided with a driving bevel gear 32 at the inner and outer circumferences of the bevel gear cavity 31, the bevel gear shaft 40 is rotatably provided at the inner rear wall of the bevel gear cavity 31, the bevel gear shaft 40 extends forward into the bevel gear cavity 31 and is fixedly provided with a driven bevel gear 41 capable of being in gear engagement with the driving bevel gear 32, the rear side of the bevel gear cavity 31 is provided with a pulley shaft 42 at the breaker 11, the lower end of the bevel gear shaft 40 extends downward into the pulley shaft 42 and is rotatably provided at the inner rear wall of the pulley shaft 42, the bevel gear shaft 40 is rotatably provided with a driving pulley 43 at the inner and outer circumferences of the pulley shaft 42, the inner rear wall of the pulley shaft 42 is positioned at the right side of the driving pulley 43 and is rotatably provided with a gear shaft 44 at the lower side of the driving pulley 43, the front end of the gear shaft 44 extends forward into the pulley shaft 42, the gear shaft 44 is fixedly provided with a driven pulley 45 at the inner and outer, a power belt 46 is wound between the driving pulley 43 and the driven pulley 45.
Beneficially, a rack cavity 49 is provided in the front side of the power-off cavity 12 and on the left side of the cam cavity 33, an upper wall in the rack cavity 49 is communicated with a lower wall in the moving cavity 52, a lower wall in the rack cavity 49 is communicated with a gear cavity 47, a front end of the gear shaft 44 extends forward into the gear cavity 47 and is rotatably provided on the inner front wall of the gear cavity 47, gears 48 are fixedly provided on inner and outer circumferences of the gear shaft 44 in the gear cavity 47, a part of an upper side of the gear 48 is located in the rack cavity 49, a moving block 50 is provided in the rack cavity 49 in a left-right sliding manner, a rack 51 capable of being engaged with the gear 48 is fixedly provided on a left end face of the moving block 50, and a lower end face of the lower driving rod 53 passes through the moving cavity 52 and extends downward into the rack cavity 49 and is fixedly connected to an upper end face of the moving block 50.
Advantageously, the left end of the centrifugal shaft 60 extends leftwards into the centrifugal cavity 13 and is rotatably arranged on the left wall in the centrifugal cavity 13, the centrifugal shaft 60 is fixedly provided with centrifugal barrels 63 at the inner and outer circumferences of the centrifugal cavity 13, the inner circumference array of the centrifugal barrels 63 is provided with centrifugal cavities 64 with outward openings, a centrifugal block 65 is arranged in the centrifugal cavity 64 in a sliding manner, a centrifugal spring 66 is fixedly connected between the end surface of the inner side of the centrifugal block 65 and the inner wall of the centrifugal barrel 63 close to one side of the centrifugal shaft 60, a sliding plate 67 is arranged in the centrifugal cavity 13 and positioned at the upper side of the centrifugal barrel 63 and can slide up and down, the upper end surface of the slide plate 67 and the inner upper wall of the centrifugal cavity 13 are jointly connected and fixed with a 68, and a centrifugal pull rope 21 penetrates through the inner wall of the breaker 11 between the right end face of the sliding block 16 and the upper end face of the sliding plate 67 to be connected and fixed together.
Beneficially, breaker 11 left end face is equipped with opening pull ring chamber 87 to the left, the inside horizontal slip of pull ring chamber 87 is equipped with pull ring 88, pull ring 88 left end extends to left pull ring chamber 87 left side just is located breaker 11 left end face left side, pull ring 88 right-hand member face with connect the fixed pull ring spring 90 that is equipped with jointly between the right wall in the pull ring chamber 87, pull ring 88 right-hand member face with pass between the automatic fixture block 22 up end breaker 11 inner wall connects the fixed automatic stay cord 24 that is equipped with jointly, pull ring 88 right-hand member face with pass between the manual fixture block 78 right-hand member face the fixed manual stay cord 80 that is equipped with is connected jointly to breaker 11 inner wall.
The following describes in detail the use steps of a power cut-off device for preventing the electromechanical device from rotating too fast with reference to fig. 1 to 6: in the initial state, the return spring 23 is in a relaxed state, the lower end part of the automatic latch 22 is located in the starting cavity 14, the pushing spring 20 is in a compressed state, the slider 16 is in a right limit position, the slider 68 is in a relaxed state, the slide plate 67 is in a lower limit position, the emergency stop spring 76 is in a relaxed state, the emergency stop button 75 is in an upper limit position, the latch spring 79 is in a relaxed state, the wheel lever 72 is in an upper limit state, the left end part of the manual latch 78 is located in the slide rod cavity 70, the push block spring 85 is in a compressed state, the upper and lower end surfaces of the energizing block 84 are not in contact with the electric wire 89, the warning lamp 82 is not energized, the pull ring spring 90 is in a relaxed state, and the.
When the rotation speed of the equipment motor is normal, the electromechanical equipment normally works, the right end face of the equipment contact switch 61 is in contact with the left end face of the equipment contact block 62, the equipment motor 54 is started to drive the right spline cylinder 57 to rotate and drive the spline shaft 58 to rotate through spline connection, so that the electromechanical equipment normally works, meanwhile, the equipment motor 54 drives the centrifugal shaft 60 to rotate through spline connection between the left spline cylinder 59 and the centrifugal shaft 60, the centrifugal shaft 60 drives the centrifugal cylinder 63 to rotate, when the rotation speed is normal, a centrifugal block 65 is in the centrifugal block 65, the sliding plate 67 is not pushed upwards, and the automatic power-off device is not started.
When the rotation speed of the motor of the equipment is too high and the power supply of the equipment needs to be automatically cut off, the rotation speed of the motor 54 of the equipment drives the rotation speed of the left spline cylinder 59 to be too high, the left spline cylinder 59 drives the centrifugal barrel 63 to rotate through the centrifugal shaft 60, the centrifugal shaft 60 drives the centrifugal block 65 to be thrown out of the centrifugal cavity 64 and pushes the sliding plate 67 to move upwards, the sliding plate 67 extrudes 68, meanwhile, the pushing spring 20 restores the loosening state and pushes the sliding block 16 leftwards, at the moment, the lower end of the automatic clamping block 22 is positioned in the starting cavity 14 and enters the automatic clamping groove 17 to be clamped and positioned at the left limit position through the sliding block 16, the left end face of the contact block 18 is contacted with the right end face of the contact switch 19 and starts the motor 29, the motor 29 starts and drives the reel 27 to rotate through the reel shaft 26, the reel 27 loosens the traction rope 28, the pushing block spring, the warning light 82 is electrified to light, the motor 29 drives the reel shaft 26 to rotate and simultaneously drives the motor shaft 30 to rotate, the motor shaft 30 drives the cam 34 to rotate and push the reciprocating plate 36 to reciprocate left and right through the reciprocating spring 69, the reciprocating plate 36 drives the firing pin 37 to reciprocate left and right, the left end surface of the firing pin 37 continuously strikes the right end surface of the alarm clock 39 and makes a sound to attract the attention of an operator, the motor shaft 30 rotates and drives the bevel gear chamber 31 to rotate, the bevel gear chamber 31 drives the driven bevel gear 41 to rotate through gear meshing, the driven bevel gear 41 drives the driving pulley 43 to rotate through the bevel gear shaft 40, the lower driving rod 53 drives the driven pulley 45 to rotate through the power belt 46, the driven pulley 45 drives the gear 48 to rotate through the gear shaft 44, the gear 48 drives the rack 51 to move left through gear meshing, the rack 51 drives the driving rod 53 to move left through the, the lower driving rod 53 drives the equipment motor 54 to move leftwards, at the moment, the right end face of the equipment contact switch 61 is separated from the left end face of the equipment contact block 62 and is not in contact with the equipment motor 54, the right spline cylinder 57 and the left spline cylinder 59 stop rotating, meanwhile, the right spline cylinder 57 and the spline shaft 58 are separated from spline connection, and the spline shaft 58 stops rotating to enable the whole electromechanical equipment to stop running.
When other faults occur to the equipment motor and the emergency stop button 75 needs to be pressed manually, the emergency stop spring 76 is in a compressed state, the emergency stop button 75 drives the wheel rod 72 to descend through the sliding rod 71, the wheel rod 72 drives the pulley 74 to descend, the same east hemisphere 56 of the pulley 74 moves leftwards, the hemisphere 56 drives the upper driving cavity 55 to move leftwards, the upper driving cavity 55 drives the equipment motor 54 to move leftwards, the right end face of the equipment contact switch 61 is separated from the left end face of the equipment contact block 62 and is not in contact with the right end face, the equipment motor 54 is turned off, the right spline cylinder 57 and the left spline cylinder 59 stop rotating, the right spline cylinder 57 and the spline shaft 58 are separated from spline connection, the spline shaft 58 stops rotating to stop the whole electromechanical equipment, and when the sliding rod 71 descends to a lower limit position, the left end of the manual spline 78 enters the manual clamping groove 73 to clamp.
When the electromechanical device needs to normally operate after the fault is eliminated, the pull ring 88 is manually pulled, the pull ring 88 pulls the automatic latch 22 back into the automatic latch cavity 15 through the automatic pull rope 24, the slide block 16 returns to the right limit position through the pulling force of the push spring 20 and the centrifugal pull rope 21, the manual pull rope 80 is pulled back into the manual latch cavity 77, and the slide rod 71 drives the manual latch 73 and the pulley 74 to return to the upper limit position while upwards through the elastic force of the emergency stop spring 76.
The invention has the beneficial effects that: the invention can automatically control the power supply of the equipment motor to be disconnected through manually pressing the emergency stop button or when the emergency stop button cannot be pressed in time, and can timely disconnect the equipment motor through a series of automatic treatments when the rotating speed of the equipment motor is too high, thereby reducing the possibility of damage of the electromechanical equipment, prolonging the service life of the electromechanical equipment, and simultaneously facilitating the resetting of the equipment motor so as to facilitate the continuous operation of the whole electromechanical equipment.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (9)
1. The utility model provides a prevent power-off device of electromechanical device motor rotational speed overquick, includes the outage ware, its characterized in that: the breaker is internally provided with a power-off cavity, the left side of the power-off cavity is positioned in the breaker and is internally provided with a centrifugal cavity, the left side of the centrifugal cavity is positioned in the breaker and is internally provided with a starting cavity, the starting cavity is internally provided with a slide block capable of sliding left and right, a pushing spring is jointly connected and fixedly arranged between the right end surface of the slide block and the right wall of the starting cavity, the upper end surface of the slide block is provided with an automatic clamping groove with an upward opening, the left end surface of the slide block is fixedly provided with a contact block, the left wall of the starting cavity is fixedly provided with a contact switch, the upper wall of the starting cavity is communicated and provided with an automatic clamping block cavity, the automatic clamping block cavity is internally provided with an automatic clamping block capable of sliding up and down in the starting cavity and the automatic clamping block cavity, a reset spring is jointly connected and fixedly arranged between the, a slide bar capable of sliding up and down is arranged in the slide bar cavity, the upper end of the slide bar extends upwards to the upper side of the upper end face of the breaker, an emergency stop button is fixedly arranged on the upper end face of the slide bar, an emergency stop spring is fixedly connected between the lower end face of the emergency stop button and the upper end face of the breaker, a wheel bar is fixedly arranged on the lower end face of the slide bar, the left end of the wheel bar penetrates through the slide bar cavity leftwards and extends to the breaker cavity, a pulley is rotatably arranged at the left end of the wheel bar, a manual clamping groove with a rightward opening is formed in the lower side of the right end face of the slide bar and positioned on the upper side of the wheel bar, a manual clamping block cavity is communicated with the right wall in the slide bar cavity, a manual clamping block is arranged in the manual clamping block cavity in a manner of sliding left and right, a clamping block spring is fixedly connected between the right end, the upper end face of the equipment motor is fixedly provided with an upper driving cavity, and the lower end face of the equipment motor is fixedly provided with a lower driving rod.
2. A power cut-off device for preventing over-spinning of an electromechanical device motor, as recited in claim 1, wherein: the utility model discloses a power supply device, including outage intracavity right-hand member face power connection, equipment motor, spline shaft, equipment contact switch, centrifugal shaft, power failure intracavity right side wall, spline shaft, equipment contact switch right-hand member face power connection is equipped with right spline section of thick bamboo, outage intracavity right side wall rotates and is equipped with the spline shaft, the spline shaft be located outer circumference in the outage intracavity can with circle through splined connection in the right spline section of thick bamboo, right side spline section of thick bamboo internal fixation is equipped with equipment contact block, equipment contact switch right-hand member face can with equipment contact block left end face complete contact, equipment motor left end face power connection has left spline section of thick bamboo, be equipped with the centrifugal shaft through splined connection in the spline section of thick bamboo of left side, the centrifugal shaft left end extend to left the outage inner wall, it is fixed to be equipped with hemispherical hemisphere to go up drive chamber right.
3. A power cut-off device for preventing over-spinning of an electromechanical device motor, as recited in claim 1, wherein: the left side of the starting cavity is positioned in the breaker and is internally provided with a wire wheel cavity, the lower wall in the wire wheel cavity is rotatably provided with a wire wheel shaft, the upper end of the wire wheel shaft extends upwards into the wire wheel cavity and is fixedly provided with a wire wheel, the outer circumference of the wire wheel positioned in the wire wheel cavity is wound with a traction rope, the upper end face of the breaker is fixedly provided with a warning light, the lower side of the warning light is positioned in the breaker and is internally provided with an electrified block cavity, the electrified block cavity is internally provided with an electrified block capable of sliding left and right, a push block spring is jointly connected and fixedly arranged between the left end face of the electrified block and the left wall in the electrified block cavity, one end of the traction rope penetrates through the breaker and is fixedly connected with the left end face of the electrified block, the lower side of the electrified block cavity is positioned on the inner wall of the breaker and is fixedly provided with a battery, the upper end face and the lower end face of the electrifying block can be respectively contacted with the electric wires on the upper side and the lower side in the cavity of the electrifying block, so that the electrifying effect is achieved.
4. A power cut-off device for preventing over-spinning of an electromechanical device motor, as recited in claim 1, wherein: the utility model discloses a cam, including breaker, line wheel chamber downside is located the fixed motor that is equipped with of breaker inner wall, line wheel shaft lower extreme downwardly extending and power connect in the motor up end, terminal surface power is connected with the motor shaft under the motor, the motor downside is located be equipped with the bevel gear chamber in the breaker, bevel gear chamber downside is equipped with the cam chamber, the motor shaft lower extreme passes downwards the bevel gear chamber extends to the cam intracavity, the motor shaft lower extreme is located the cam intracavity is fixed and is equipped with the cam.
5. A power cut-off device for preventing over-spinning of an electromechanical device motor, according to claim 4, wherein: cam intracavity lower wall intercommunication is equipped with the alarm chamber, the alarm intracavity can the horizontal slip be equipped with the reciprocating plate, reciprocating plate upper end upwards extends to the cam intracavity just can cam intracavity horizontal slip, the reciprocating plate is located cam intracavity left end face with it is fixed to be equipped with reciprocal spring jointly to connect between the cam intracavity left wall, reciprocal plate is located alarm intracavity left end face is located the fixed striker that is equipped with of striker downside, the fixed axle that is equipped with of alarm intracavity lower wall, fixed axle upper end upwards extends to the alarm intracavity just is fixed and is equipped with the alarm clock.
6. A power cut-off device for preventing over-spinning of an electromechanical device motor, according to claim 5, wherein: the outer circumference of the motor shaft in the bevel gear cavity is fixedly provided with a driving bevel gear, the back wall in the bevel gear cavity is rotatably provided with a bevel gear shaft, the bevel gear shaft extends forwards into the bevel gear cavity and is fixedly provided with a driven bevel gear which can be meshed with the driving bevel gear, the rear side of the bevel gear cavity is positioned in the breaker and is internally provided with a pulley shaft, the lower end of the bevel gear shaft extends downwards into the pulley shaft and is rotatably arranged on the inner rear wall of the pulley shaft, the bevel gear shaft is positioned inside and outside the pulley shaft and is provided with a driving pulley in a rotating way, the inner rear wall of the pulley shaft is positioned on the right side of the driving pulley and is provided with a gear shaft in a rotating way at the lower side of the driving pulley, the front end of the gear shaft extends forwards into the pulley shaft, the gear shaft is positioned inside and outside the pulley shaft, driven pulleys are fixedly arranged on the inner circumference and the outer circumference of the pulley shaft, and a power belt is wound between the driving pulleys and the driven pulleys.
7. A power cut-off device for preventing over-spinning of an electromechanical device motor, according to claim 6, wherein: the utility model discloses a gear, including the cam chamber, the gear axle, the gear chamber front end, the gear shaft front end, the gear chamber front wall, the gear shaft is located the fixed gear that is equipped with of gear chamber inside and outside circumference, the gear upside has partly to be located the gear chamber, the gliding movable block that is equipped with of rack intracavity side to side, the fixed rack that is equipped with ability and gear wheel meshing of movable block left end face, drive down the pole lower extreme face pass remove the chamber downwardly extending to rack intracavity and fixed connection in the movable block up end.
8. A power cut-off device for preventing over-spinning of an electromechanical device motor, as claimed in claim 2, wherein: extend to the centrifugal axle left end left the centrifugal intracavity and rotate and locate centrifugal intracavity left wall, the centrifugal axle is located the fixed centrifugal bucket that is equipped with of centrifugal intracavity outside circumference, the circumference array is equipped with the outside centrifugal chamber of opening in the centrifugal bucket, the inside and outside gliding centrifugal piece that is equipped with of centrifugal intracavity, centrifugal piece medial surface with be close to in the centrifugal bucket connect jointly between the inner wall of centrifugal axle one side and fixedly be equipped with centrifugal spring, the centrifugal intracavity is located gliding slide about the centrifugal bucket upside can be equipped with, slide up end with connect jointly between the centrifugal intracavity upper wall and fixedly be equipped with, the slider right-hand member face with pass between the slide up end the fixed centrifugation stay cord that is equipped with is connected jointly to the outage ware inner wall.
9. A power cut-off device for preventing over-spinning of an electromechanical device motor, as recited in claim 1, wherein: the circuit breaker left end face is equipped with the opening ring cavity left, the ability horizontal slip of ring cavity is equipped with the pull ring, the pull ring left end extends to left the pull ring cavity left side just is located circuit breaker left end face left side, the pull ring right-hand member face with it is equipped with the pull ring spring to connect fixedly between the pull ring intracavity right side wall jointly, the pull ring right-hand member face with pass between the automatic fixture block up end the circuit breaker inner wall connects fixedly jointly and is equipped with automatic stay cord, the pull ring right-hand member face with pass between the manual fixture block right-hand member face the circuit breaker inner wall connects fixedly jointly and is equipped with manual stay cord.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010652838.4A CN111682704A (en) | 2020-07-08 | 2020-07-08 | Power-off device for preventing motor of electromechanical equipment from rotating at too high speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010652838.4A CN111682704A (en) | 2020-07-08 | 2020-07-08 | Power-off device for preventing motor of electromechanical equipment from rotating at too high speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111682704A true CN111682704A (en) | 2020-09-18 |
Family
ID=72457506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010652838.4A Withdrawn CN111682704A (en) | 2020-07-08 | 2020-07-08 | Power-off device for preventing motor of electromechanical equipment from rotating at too high speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111682704A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178581A (en) * | 2020-10-19 | 2021-01-05 | 诸暨平措照明科技有限公司 | Emergency lighting device for vehicle driving at night |
-
2020
- 2020-07-08 CN CN202010652838.4A patent/CN111682704A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178581A (en) * | 2020-10-19 | 2021-01-05 | 诸暨平措照明科技有限公司 | Emergency lighting device for vehicle driving at night |
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Application publication date: 20200918 |