CN114977665B - Electromagnetic speed reducing motor with speed limiting protection - Google Patents
Electromagnetic speed reducing motor with speed limiting protection Download PDFInfo
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- CN114977665B CN114977665B CN202210676194.1A CN202210676194A CN114977665B CN 114977665 B CN114977665 B CN 114977665B CN 202210676194 A CN202210676194 A CN 202210676194A CN 114977665 B CN114977665 B CN 114977665B
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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
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
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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
- H02K11/25—Devices for sensing temperature, or actuated thereby
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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
- H02K11/27—Devices for sensing current, or actuated thereby
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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
- H02K11/30—Structural association with control circuits or drive circuits
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
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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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The invention discloses an electromagnetic speed reducing motor with speed limiting protection, which comprises a working box body, an electromagnetic speed reducing motor body and a bearing plate, wherein a Hall speed measuring sensor is arranged in the middle of the inner bottom wall of the working box body, the middle of the top of the working box body is connected with a control box through a connecting piece in a threaded mode, and a flow measuring table assembly is arranged on the other side inside a fixed frame. According to the invention, through the arrangement of the control box, the Hall speed measuring sensor and the ammeter measuring component, the Hall speed measuring sensor can monitor the rotating speed of the electromagnetic speed reducing motor body, the ammeter measuring component can monitor the size of the introduced current, and when the rotating speed of the output end in the electromagnetic speed reducing motor body is too high and exceeds a limit value, the Hall speed measuring sensor can transmit the monitored electric signal to the control box, so that the Hall speed measuring sensor can disconnect a current switch in the electromagnetic speed reducing motor body or connect an alarm circuit, and a buzzer alarm can give an alarm, thereby facilitating the operation of a worker.
Description
Technical Field
The invention relates to the technical field of electromagnetic speed reducing motors, in particular to an electromagnetic speed reducing motor with speed limiting protection.
Background
The electromagnetic speed-regulating asynchronous motor is composed of three portions of general squirrel-cage asynchronous motor, electromagnetic slip clutch and electric control device, and is an AC stepless speed-changing motor controlled by utilizing DC electromagnetic slip constant torque.
The existing electromagnetic speed reducing motor has the defects that:
1. the reference CN204089169U discloses a motor protection, measurement and control device, "including: the circuit board is provided with a plurality of wiring terminals, the shell comprises a shell and a bottom shell, the bottom shell is of a cuboid structure, the size and the shape of a bottom opening of the shell are the same as those of a top opening of the bottom shell, the circuit board is positioned in the bottom shell, the circuit board is matched with the bottom shell, the shell is provided with a plurality of wire inlet interfaces correspondingly connected with the plurality of wiring terminals on the circuit board, the shell is also provided with a communication interface used for connecting a human-computer interface module, the inner sides of two ends of the bottom shell are both vertically provided with mounting pieces, the outer sides of the mounting pieces are both provided with first buckles, and the shell is detachably connected with the bottom shell through all the first buckles; the device is suitable for an electric power system, but the device does not have a structure for limiting and protecting the rotating speed of the electromagnetic speed reducing motor, so that the normal use of the electromagnetic speed reducing motor can be influenced when the rotating speed of the electromagnetic speed reducing motor is too high or too low, and the service life of the electromagnetic speed reducing motor is influenced;
2. the comparison document CN204118701U discloses a motor overheating protection device, and the technical problem to be solved is to provide the motor overheating protection device with simple and reasonable structure, convenient installation and control and low cost; the utility model is widely used for overheat protection of the motor, but the overheat protection effect of the device on the electromagnetic reducing motor is poor, and because the electromagnetic reducing motor can generate a large amount of heat after working for a long time, the internal elements of the electromagnetic reducing motor are easy to be damaged after being processed in time;
3. reference document CN107104534B discloses a shock absorption shell structure for motor, the surface distribution of "metal shell has radiating fin, is provided with the metal inner shell rather than the separation in the metal shell, and connects fixedly through metal support piece between the two, separates the intracavity packing between metal inner shell and metal shell and is equipped with a plurality of shock absorption rubber blocks that paste with metal inner shell and metal shell, and has the clearance between the shock absorption rubber block. The metal inner shell is arranged in the existing motor metal outer shell through the metal supporting piece, so that the metal inner shell and the metal outer shell form a separate cavity, heat dissipation is not influenced, and vibration transmission is reduced; a plurality of shock absorption rubber blocks are arranged in the separate cavities, so that the shock of the motor is absorbed to the maximum extent, and the shock generated by the motor during working is prevented from being transmitted outwards; the ceramic layer is arranged on the inner wall of the metal inner shell and is provided with micro pores, so that noise and part of vibration generated when the inner rotor rotates can be absorbed, but the device has poor damping effect on the electromagnetic speed reducing motor, and the vibration generated by the electromagnetic speed reducing motor during working can cause the position of an inner element to deviate if a buffer structure is not arranged, so that the use is influenced.
Disclosure of Invention
The present invention is directed to an electromagnetic deceleration motor with speed-limiting protection to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an electromagnetism gear motor with speed limit protection, includes work box, electromagnetism gear motor body and bearing plate, the middle part of work box inner wall is provided with hall tacho sensor, the middle part threaded connection at work box top has the connecting piece, there is the control box middle part at work box top through connecting piece threaded connection, fixed frame is installed to the inside wall of work box, the inside one side of fixed frame is provided with the temperature detector subassembly, the inside opposite side of fixed frame is provided with the current meter subassembly, and the inside of temperature detector subassembly and the equal electric connection of current meter subassembly in the inside of control box.
Preferably, the inside electric connection of temperature detector subassembly has movable lead screw, adjust knob is installed on the top of activity lead screw, the mid-mounting of activity lead screw inner wall one side has the thermal expansion pipe, the surface of thermal expansion pipe is provided with touch switch a, the middle part of activity lead screw inner wall opposite side is provided with touch switch b, and touch switch a and touch switch b's position phase-match, the bottom of thermal expansion pipe is provided with the heat transfer piece, the bottom of heat transfer piece is connected with the heat-sink shell, the fixation clamp is installed to the bottom of activity lead screw, and the heat-sink shell is located the inner wall of fixation clamp.
Preferably, a limiting sliding groove is formed in the inner side wall of the work box body, a limiting sliding plate is connected to the inside of the limiting sliding groove in a sliding mode, a limiting hole is formed in the surface of the limiting sliding plate, a limiting bolt is inserted into one side of the surface of the work box body, the size of the limiting bolt is matched with the limiting hole, a fixing base is connected to the inside of the limiting sliding groove in a sliding mode through the limiting sliding plate, an electromagnetic speed reduction motor body is arranged inside the fixing base, a limiting groove is formed in the inner bottom wall of the work box body, limiting clamps are mounted on two sides of the inner portion of the limiting groove, a movable rod is mounted on one side of each limiting clamp, a movable sleeve is inserted into the top end of each movable rod, a damping spring is arranged inside each movable sleeve, a transmission rod is arranged inside each limiting clamp, a rotating shaft is connected to the intersection of the transmission rod and the limiting clamps through threads, a bearing plate is arranged on the top end of the transmission rod, and the top end of the bearing plate is connected with the electromagnetic speed reduction motor body.
Preferably, the middle part at control box top has been seted up and has been placed the hole, the inside of placing the hole has cup jointed the buzzer siren, and the inside of buzzer siren passes through the transmission line and connects inside the control box, a plurality of ventilation strips have been seted up at the top of control box, the inside of ventilation strip is provided with the dust screen.
Preferably, the radiating groove has been seted up on work box surface, the inside of radiating groove is provided with the heat dissipation fan, the mid-mounting on work box surface has the sliding seat, limit baffle has been cup jointed to the inside of sliding seat, one side of the inside of radiating groove is connected with the switch lid through the bull stick, the standing groove has been seted up at the middle part on switch lid surface, the internally mounted of standing groove has the handle.
Preferably, the rear end of one side of the working box body is connected with a sealing cover through a hinge, and the periphery of the back of the sealing cover is provided with an insulating pad.
Preferably, a bearing seat is arranged in the middle of the inside of the sealing cover, the size of the bearing seat is matched with the output end of the electromagnetic speed reducing motor body, and a buckle is arranged on one side of the middle of the back of the sealing cover.
Preferably, the four corners of the bottom of the work box body are provided with support rods, and the bottom ends of the support rods are provided with anti-skidding seats.
Preferably, the working steps of the device are as follows:
s1, when an operator needs to carry out speed-limiting protection on an electromagnetic speed-reducing motor body, a Hall speed-measuring sensor is arranged in the middle of the inner bottom wall of a working box body, the middle of the top of the working box body is connected with a control box through a connecting piece in a threaded mode, a fixed frame is installed on the inner side wall of the working box body, a flow-measuring table assembly is arranged on the other side of the inner portion of the fixed frame and is electrically connected to the inner portion of the control box, so that the Hall speed-measuring sensor can monitor the rotating speed of the electromagnetic speed-reducing motor body, the flow-measuring table assembly can monitor the current led into the electromagnetic speed-reducing motor body, meanwhile, a placing hole is formed in the middle of the top of the control box, a buzzer alarm is sleeved inside the placing hole, the buzzer is connected to the inside of the control box through a transmission line, when the rotating speed of an output end in the electromagnetic speed-reducing motor body is too fast to exceed a limited value, the Hall speed-measuring sensor can transmit the monitored electric signal into the control box, so that the buzzer can disconnect a current switch in the electromagnetic speed-reducing motor body or connect an alarm circuit, and send an alarm, so that the worker can operate the electromagnetic speed-reducing motor body and can carry out speed-limiting protection;
s2, when workers need to perform overheat protection on the electromagnetic speed reducing motor body, a movable lead screw is electrically connected inside the temperature detector assembly, an adjusting knob is installed at the top end of the movable lead screw, a heated expansion pipe is installed in the middle of one side of the inner wall of the movable lead screw, a touch switch a is arranged on the surface of the heated expansion pipe, a touch switch b is arranged in the middle of the other side of the inner wall of the movable lead screw, the touch switch a is matched with the touch switch b in position, a heat transfer sheet is arranged at the bottom of the heated expansion pipe, a heat absorption layer is connected to the bottom of the heat transfer sheet, a fixing clamp is installed at the bottom end of the movable lead screw, the heat absorption layer is located on the inner wall of the fixing clamp, heat generated when the electromagnetic speed reducing motor body works can be absorbed by the heat absorption layer, the heat absorbed by the heat absorption layer is transferred to the inside of the heated expansion pipe through the heat transfer sheet, the inside of the heated expansion pipe is deformed and gradually enlarged, the touch switch a on the surface of the touch switch b is contacted with the surface of the heat absorption layer, so that the structure can be electrified, meanwhile, a heat dissipation groove is formed in the surface of the work box body, and a heat dissipation fan is formed in the work, so that the heat dissipation fan can perform good cooling effect on the electromagnetic speed reducing motor body;
s3, when a worker needs to absorb shock of the electromagnetic reducing motor body, as the inner bottom wall of the working box body is provided with a limiting groove, two sides inside the limiting groove are respectively provided with a limiting clamp, one side of the limiting clamp is provided with a movable rod, the top end of the movable rod is inserted with a movable sleeve, a shock absorbing spring is arranged inside the movable sleeve, a transmission rod is arranged inside the limiting clamp, the intersection part of the transmission rod and the limiting clamp is in threaded connection with a rotating shaft, the top end of the transmission rod is provided with a bearing plate, the top of the bearing plate is connected with the electromagnetic reducing motor body, so that the shock generated when the electromagnetic reducing motor body works can drive the bearing plate to shake, the bearing plate can drive the transmission rod to extrude the shock absorbing spring to one side after being stressed, the shock absorbing spring deforms, and the shock absorbing spring can play a certain role in buffering the bearing plate according to the elasticity of the shock absorbing spring, therefore, the electromagnetic speed-reducing motor body can be damped, meanwhile, a limiting sliding groove is formed in the inner side wall of the working box body, a limiting sliding plate is connected inside the limiting sliding groove in a sliding mode, a limiting hole is formed in the surface of the limiting sliding plate, a limiting bolt is inserted into one side of the surface of the working box body, the size of the limiting bolt is matched with the size of the limiting hole, a fixing base is connected inside the limiting sliding groove through the limiting sliding plate in a sliding mode, and the electromagnetic speed-reducing motor body is arranged inside the fixing base, so that a worker can place the electromagnetic speed-reducing motor body into the fixing base, then place the fixing base into the working box body through the matching use of the limiting sliding plate and the limiting sliding groove, and insert the limiting bolt into the limiting hole to complete fixing, time and labor are saved;
s4 when the staff need pass through the device's waterproof performance, there is sealed lid because of the rear end of work box one side has through hinge connection, the department around sealed lid back is provided with insulating pad, one side at sealed lid back middle part is provided with the buckle, it is fixed to make staff's accessible buckle carry out the high-speed joint with sealed lid and work box, insulating pad can make this structure inside keep good seal, meanwhile, again because of the mid-mounting on work box surface has the sliding seat, limit baffle has been cup jointed to the inside of sliding seat, one side of inside the radiating groove is connected with the switch lid through the bull stick, the standing groove has been seted up at the middle part on switch lid surface, the internally mounted of standing groove has the handle, it is closed to make the staff can carry out spacing fixed with the switch lid, use can carry out spacing to the switch lid through sliding seat and limit baffle's collocation, thereby further promotion the device's leakproofness, its waterproof performance has been improved.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arrangement of the control box, the Hall speed sensor and the ammeter component, when a worker needs to carry out speed-limiting protection on the electromagnetic speed-reducing motor body, the Hall speed sensor can monitor the rotating speed of the electromagnetic speed-reducing motor body, the ammeter component can monitor the current introduced into the electromagnetic speed-reducing motor body, meanwhile, the middle part of the top of the control box is sleeved with the buzzer alarm through the placing hole, the interior of the buzzer alarm is connected to the interior of the control box through the transmission line, when the rotating speed of the output end in the electromagnetic speed-reducing motor body is too high and exceeds a limit value, the Hall speed sensor can transmit the monitored electric signal into the control box, so that the buzzer alarm is switched off or switched on an alarm circuit in the electromagnetic speed-reducing motor body, the buzzer alarm gives an alarm, the worker can operate the electromagnetic speed-reducing motor body conveniently, the speed-limiting protection can be carried out on the electromagnetic speed-reducing motor body, and the problem that the speed-limiting protection of the electromagnetic speed-reducing motor is difficult is solved.
2. According to the invention, through the arrangement of the fixing clamp and the temperature detector component, when a worker needs to perform overheat protection on the electromagnetic speed-reducing motor body, heat generated by the electromagnetic speed-reducing motor body during working can be absorbed by the heat absorption layer, the heat absorption layer transmits the absorbed heat to the inside of the heated expansion tube through the heat transfer sheet, and the inside of the heated expansion tube deforms and gradually enlarges after being heated, so that the touch switch a on the surface of the heated expansion tube is in contact with the surface of the touch switch b, and therefore, the structure can be electrified.
3. According to the invention, through the arrangement of the bearing plate and the movable sleeve, when a worker needs to absorb shock of the electromagnetic speed reducing motor body, the shock generated when the electromagnetic speed reducing motor body works can drive the bearing plate to rock, the bearing plate can drive the transmission rod to extrude the shock absorbing spring to one side after being stressed, so that the shock absorbing spring deforms, the shock absorbing spring can play a certain buffering role on the bearing plate according to the elasticity of the shock absorbing spring, and therefore the electromagnetic speed reducing motor body can be absorbed, meanwhile, the surface of the limiting sliding plate is provided with the limiting hole, one side of the surface of the working box body is inserted with the limiting bolt, the size of the limiting bolt is matched with the limiting hole, the inside of the limiting sliding groove is connected with the fixing base through the limiting sliding plate in a sliding manner, the electromagnetic speed reducing motor body is arranged inside the fixing base, and then the fixing base is placed inside the working box body through the matching use of the limiting sliding plate and the limiting sliding groove, the limiting bolt is inserted into the limiting hole to complete the fixing, and therefore, the problem that the shock absorption of the electromagnetic speed reducing motor is difficult is solved.
4. According to the invention, through the arrangement of the switch cover and the sealing cover, when workers need to pass through the waterproof performance of the device, the sealing cover and the working box body can be quickly connected and fixed through the buckle by the workers, the interior of the structure can keep good airtightness, meanwhile, due to the fact that the movable seat is arranged in the middle of the surface of the working box body, the limiting baffle is sleeved in the movable seat, one side of the interior of the heat dissipation groove is connected with the switch cover through the rotating rod, the middle of the surface of the switch cover is provided with the placing groove, the lifting handle is arranged in the placing groove, the workers can close the switch cover, and the switch cover can be limited and fixed through the matching use of the movable seat and the limiting baffle, so that the sealing performance of the device is further improved, the waterproof performance of the device is improved, and the problem that the electromagnetic speed reducing motor does not have a waterproof structure is solved.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the working box of the present invention;
FIG. 3 is a schematic view of the electromagnetic reducing motor body of the present invention;
FIG. 4 is a schematic cross-sectional view of the working case of the present invention;
FIG. 5 is a cross-sectional view of the retaining clip of the present invention;
FIG. 6 is a cross-sectional view of the fixing frame of the present invention;
FIG. 7 is a schematic structural diagram of a work box according to the present invention;
fig. 8 is a schematic cross-sectional view of the control box of the present invention.
In the figure: 1. a working box body; 2. an electromagnetic reduction motor body; 3. a pressure bearing plate; 4. a Hall velocity measurement sensor; 5. a connecting member; 6. a control box; 7. a fixed frame; 8. a temperature detector assembly; 9. a flow meter table component; 10. a movable screw rod; 11. a heated expansion tube; 12. a touch switch b; 13. a heat absorbing layer; 14. a fixing clip; 15. a limiting chute; 16. a limiting sliding plate; 17. a limiting bolt; 18. a fixed base; 19. a limiting clamp; 20. a movable rod; 21. a movable sleeve; 22. a damping spring; 23. a transmission rod; 24. placing holes; 25. an alarm is buzzed; 26. a ventilation strip; 27. a heat sink; 28. a heat dissipation fan; 29. a limit baffle; 30. a switch cover; 31. a handle; 32. a sealing cover; 33. an insulating pad; 34. a bearing seat; 35. buckling; 36. and (4) an anti-slip seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, an embodiment of the present invention: an electromagnetic speed-reducing motor with speed-limiting protection comprises a working box body 1, an electromagnetic speed-reducing motor body 2 and a bearing plate 3, wherein a Hall speed-measuring sensor 4 is arranged in the middle of the inner bottom wall of the working box body 1, a connecting piece 5 is in threaded connection with the middle of the top of the working box body 1, a control box 6 is in threaded connection with the middle of the top of the working box body 1 through the connecting piece 5, a fixed framework 7 is arranged on the inner side wall of the working box body 1, a temperature detector assembly 8 is arranged on one side inside the fixed framework 7, a current measuring assembly 9 is arranged on the other side inside the fixed framework 7, the interior of the temperature detector assembly 8 and the current measuring assembly 9 are both electrically connected with the interior of the control box 6, an adjusting knob is arranged on the top end of the movable lead screw 10, a heated expansion pipe 11 is arranged in the middle of one side of the inner wall of the movable lead screw 10, a touch switch a contact switch b12 is arranged in the middle of the other side of the inner wall of the movable lead screw 10, the contact switch a position of the contact switch a contact switch b12 is matched with the position of the bottom of the heated pipe 11, a heat-absorbing layer is connected with a heat-absorbing layer 13 arranged on the bottom of the heat-absorbing layer, a limit plug pin 16 is arranged on one side of the inner side of the sliding groove of the sliding plate, and a limit plug 15 is arranged on the sliding hole of the sliding groove of the sliding plate 1, a sliding plate 16 of the sliding plate, and a limit plug 15 is arranged on the sliding hole of the sliding plate 16 arranged on the sliding groove 16 of the sliding groove 16, the inner bottom wall of the working box body 1 is provided with a limiting groove, limiting clamps 19 are arranged on two sides of the inner part of the limiting groove, a movable rod 20 is arranged on one side of each limiting clamp 19, a movable sleeve 21 is inserted into the top end of each movable rod 20, a damping spring 22 is arranged inside each movable sleeve 21, a transmission rod 23 is arranged inside each limiting clamp 19, a rotating shaft is in threaded connection with the intersection of each transmission rod 23 and the corresponding limiting clamp 19, a bearing plate 3 is arranged at the top end of each transmission rod 23, the top of each bearing plate 3 is connected with an electromagnetic reducing motor body 2, a placing hole 24 is formed in the middle of the top of the control box 6, a buzzer alarm 25 is sleeved inside each placing hole 24, the buzzer alarm 25 is connected inside the control box 6 through a transmission line, a plurality of ventilation strips 26 are arranged at the top of the control box 6, and a dust screen is arranged inside each ventilation strip 26, working box 1 surface has seted up radiating groove 27, radiating groove 27's inside is provided with heat dissipation fan 28, the mid-mounting on working box 1 surface has the sliding seat, limit baffle 29 has been cup jointed to the inside of sliding seat, the inside one side of radiating groove 27 is connected with switch cover 30 through the bull stick, the standing groove has been seted up at the middle part on switch cover 30 surface, the internally mounted of standing groove has handle 31, there is sealed lid 32 rear end of working box 1 one side through hinge connection, the department all around at sealed lid 32 back is provided with insulating pad 33, the inside middle part of sealed lid 32 is provided with bearing frame 34, and the size of bearing frame 34 and the output end looks adaptation of electromagnetism gear motor body 2, one side at sealed lid 32 back middle part is provided with buckle 35, the bracing piece all is installed in the four corners department of working box 1 bottom, antiskid seat 36 is installed to the bottom of bracing piece.
The working principle is as follows:
when a worker needs to perform speed-limiting protection on the electromagnetic speed-reducing motor body 2, because the middle part of the bottom wall in the working box body 1 is provided with the Hall speed-measuring sensor 4, the middle part of the top part of the working box body 1 is in threaded connection with the control box 6 through the connecting piece 5, the inner side wall of the working box body 1 is provided with the fixed frame 7, the other side inside the fixed frame 7 is provided with the current-measuring meter assembly 9, and the current-measuring meter assembly 9 is electrically connected to the inside of the control box 6, the Hall speed-measuring sensor 4 can monitor the rotating speed of the electromagnetic speed-reducing motor body 2, the current-measuring meter assembly 9 can monitor the current led into the electromagnetic speed-reducing motor body 2, meanwhile, because the middle part of the top part of the control box 6 is provided with the placing hole 24, the interior of the placing hole 24 is sleeved with the buzzer 25, and the interior of the buzzer 25 is connected to the interior of the control box 6 through a transmission line, when the rotating speed of the output end in the electromagnetic speed-reducing motor body 2 is too fast and exceeds a limit value, the Hall speed-measuring sensor 4 can transmit the monitored electric signal into the control box 6, so that the Hall speed-reducing motor body 2 is disconnected with a current switch or a connection alarm circuit, the buzzer 25, and then the alarm can give a warning to facilitate the worker to perform speed-limiting protection on the electromagnetic speed-reducing motor body 2; when a worker needs to protect the electromagnetic speed-reducing motor body 2 from overheating, the interior of the temperature detector assembly 8 is electrically connected with a movable screw rod 10, the top end of the movable screw rod 10 is provided with an adjusting knob, the middle part of one side of the inner wall of the movable screw rod 10 is provided with a heated expansion pipe 11, the surface of the heated expansion pipe 11 is provided with a touch switch a, the middle part of the other side of the inner wall of the movable screw rod 10 is provided with a touch switch b12, the touch switch a is matched with the touch switch b12 in position, the bottom of the heated expansion pipe 11 is provided with a heat transfer sheet, the bottom of the heat transfer sheet is connected with a heat absorption layer 13, the bottom end of the movable screw rod 10 is provided with a fixing clamp 14, the heat absorption layer 13 is positioned on the inner wall of the fixing clamp 14, so that heat generated when the electromagnetic speed-reducing motor body 2 works can be absorbed by the heat absorption layer 13, the heat absorption layer 13 transfers the absorbed heat to the interior of the heated expansion pipe 11 through the heat transfer sheet, the interior of the heated expansion pipe 11 is deformed and gradually enlarged after being heated, the interior of the heat transfer switch a surface of the heat transfer sheet is heated, so that the touch switch a on the surface of the electromagnetic speed-reducing motor body 2 can be in contact with the surface, so that the heat dissipation fan 28 can perform good heat dissipation function on the cooling fan body 2, thereby enabling the electromagnetic speed-reducing motor body 1 to perform good cooling function of the electromagnetic speed-reducing fan 28; when a worker needs to absorb shock for the electromagnetic reducing motor body 2, because the inner bottom wall of the working box body 1 is provided with a limiting groove, two sides inside the limiting groove are both provided with a limiting clamp 19, one side of the limiting clamp 19 is both provided with a movable rod 20, the top end of the movable rod 20 is inserted with a movable sleeve 21, the inside of the movable sleeve 21 is provided with a damping spring 22, the inside of the limiting clamp 19 is provided with a transmission rod 23, the intersection part of the transmission rod 23 and the limiting clamp 19 is in threaded connection with a rotating shaft, the top end of the transmission rod 23 is provided with a bearing plate 3, and the top of the bearing plate 3 is connected with the electromagnetic reducing motor body 2, the shock generated when the electromagnetic reducing motor body 2 works can drive the bearing plate 3 to rock, the bearing plate 3 can drive the transmission rod 23 to extrude the damping spring 22 to one side after being stressed, so that the damping spring 22 deforms, the damping spring 22 can play a certain buffering role for the bearing plate 3 according to the elasticity thereof, thereby damping the electromagnetic speed reducing motor body 2, meanwhile, because the inner side wall of the working box body 1 is provided with the limit sliding groove 15, the inside of the limit sliding groove 15 is connected with the limit sliding plate 16 in a sliding way, the surface of the limit sliding plate 16 is provided with the limit hole, one side of the surface of the working box body 1 is inserted with the limit bolt 17, the size of the limit bolt 17 is matched with the limit hole, the inside of the limit sliding groove 15 is connected with the fixed base 18 in a sliding way through the limit sliding plate 16, the electromagnetic speed reducing motor body 2 is arranged inside the fixed base 18, so that after the electromagnetic speed reducing motor body 2 is placed into the fixed base 18 by a worker, the fixed base 18 is placed into the working box body 1 through the matching use of the limit sliding plate 16 and the limit sliding groove 15, and the limit bolt 17 is inserted into the limit hole, the fixation is completed, and the time and the labor are saved; when the staff need pass through the device's waterproof performance, there is sealed lid 32 because of the rear end of work box 1 one side has through hinge connection, the department all around at sealed lid 32 back is provided with insulating pad 33, one side at sealed lid 32 back middle part is provided with buckle 35, make staff's accessible buckle 35 carry out the high-speed joint with sealed lid 32 and work box 1 fixed, insulating pad 33 can make this structure inside keep good seal, meanwhile, there is the sliding seat because of the mid-mounting on work box 1 surface again, limit baffle 29 has been cup jointed to the inside of sliding seat, one side of radiating groove 27 inside is connected with switch cover 30 through the bull stick, the standing groove has been seted up at the middle part on switch cover 30 surface, the internally mounted of standing groove has handle 31, make the staff can be closed with switch cover 30, can arrange spacing fixed switch cover 30 in the use through sliding seat and limit baffle 29, thereby further promotion the device's leakproofness, its waterproof performance has been improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides an electromagnetism gear motor with speed limit protection, includes work box (1), electromagnetism gear motor body (2) and bearing plate (3), its characterized in that: the middle part of the inner bottom wall of the working box body (1) is provided with a Hall speed measurement sensor (4), the middle part of the top part of the working box body (1) is in threaded connection with a connecting piece (5), the middle part of the top part of the working box body (1) is in threaded connection with a control box (6) through the connecting piece (5), the inner side wall of the working box body (1) is provided with a fixed frame (7), one side of the inside of the fixed frame (7) is provided with a temperature detector assembly (8), the other side of the inside of the fixed frame (7) is provided with a flow measurement table assembly (9), and the inside of the temperature detector assembly (8) and the flow measurement table assembly (9) are both electrically connected to the inside of the control box (6);
the temperature detector assembly (8) is electrically connected with a movable screw rod (10) inside, an adjusting knob is installed at the top end of the movable screw rod (10), a thermal expansion pipe (11) is installed in the middle of one side of the inner wall of the movable screw rod (10), a touch switch a is arranged on the surface of the thermal expansion pipe (11), a touch switch b (12) is arranged in the middle of the other side of the inner wall of the movable screw rod (10), the touch switch a is matched with the touch switch b (12), a heat transfer sheet is arranged at the bottom of the thermal expansion pipe (11), a heat absorption layer (13) is connected to the bottom of the heat transfer sheet, a fixing clamp (14) is installed at the bottom end of the movable screw rod (10), and the heat absorption layer (13) is located on the inner wall of the fixing clamp (14);
the inner side wall of the working box body (1) is provided with a limiting sliding groove (15), the inside of the limiting sliding groove (15) is connected with a limiting sliding plate (16) in a sliding mode, the surface of the limiting sliding plate (16) is provided with a limiting hole, one side of the surface of the working box body (1) is inserted with a limiting bolt (17), the size of the limiting bolt (17) is matched with the limiting hole, the inside of the limiting sliding groove (15) is connected with a fixed base (18) in a sliding mode through the limiting sliding plate (16), and an electromagnetic speed reducing motor body (2) is arranged inside the fixed base (18);
the rear end of one side of the working box body (1) is connected with a sealing cover (32) through a hinge, and insulating pads (33) are arranged on the periphery of the back of the sealing cover (32).
2. An electromagnetic deceleration motor with speed limit protection according to claim 1, characterized in that: the limiting groove has been seted up to the inner diapire of work box (1), spacing clamp (19) are all installed to the both sides of limiting groove inside, movable rod (20) are all installed to one side of spacing clamp (19), the top of movable rod (20) is pegged graft and is had movable sleeve (21), the inside of movable sleeve (21) is provided with damping spring (22), the inside of spacing clamp (19) is provided with transfer line (23), and the crossing department threaded connection of transfer line (23) and spacing clamp (19) has the pivot, the top of transfer line (23) is provided with bearing plate (3), and the top of bearing plate (3) is connected with electromagnetism gear motor body (2).
3. An electromagnetic deceleration motor with speed limit protection according to claim 1, characterized in that: the middle part at control box (6) top has been seted up and has been placed hole (24), the inside of placing hole (24) has cup jointed buzzer siren (25), and inside transmission line connection in control box (6) of buzzer siren (25), a plurality of ventilation strips (26) have been seted up at the top of control box (6), the inside of ventilation strip (26) is provided with the dust screen.
4. An electromagnetic retarding motor having speed limit protection as claimed in claim 1, wherein: radiating groove (27) have been seted up on work box (1) surface, the inside of radiating groove (27) is provided with heat dissipation fan (28), the mid-mounting on work box (1) surface has the sliding seat, limit baffle (29) have been cup jointed to the inside of sliding seat, one side of radiating groove (27) inside is connected with switch cover (30) through the bull stick, the standing groove has been seted up at the middle part on switch cover (30) surface, the internally mounted of standing groove has handle (31).
5. An electromagnetic deceleration motor with speed limit protection according to claim 1, characterized in that: the middle part of the inside of the sealing cover (32) is provided with a bearing seat (34), the size of the bearing seat (34) is matched with the output end of the electromagnetic speed reducing motor body (2), and one side of the middle part of the back of the sealing cover (32) is provided with a buckle (35).
6. An electromagnetic deceleration motor with speed limit protection according to claim 1, characterized in that: the four corners department of work box (1) bottom all installs the bracing piece, antiskid seat (36) are installed to the bottom of bracing piece.
7. An electromagnetic deceleration motor with speed limit protection according to any of claims 1 to 6, characterized in that the device operates as follows:
s1, when a worker needs to carry out speed-limiting protection on an electromagnetic speed reducing motor body (2), because the middle part of the inner bottom wall of a working box body (1) is provided with a Hall speed measuring sensor (4), the middle part of the top of the working box body (1) is in threaded connection with a control box (6) through a connecting piece (5), the inner side wall of the working box body (1) is provided with a fixed frame (7), the other side inside the fixed frame (7) is provided with a current measuring table component (9), the current measuring table component (9) is electrically connected inside the control box (6), so that the Hall speed measuring sensor (4) can monitor the rotating speed of the electromagnetic speed reducing motor body (2), the current measuring table component (9) can monitor the current introduced into the electromagnetic speed reducing motor body (2), meanwhile, because a placing hole (24) is formed in the middle part of the top of the control box (6), the inside of the placing hole (24) is sleeved with a buzzer (25), the inside of the buzzer (25) is connected inside the control box (6) through a transmission line, when the rotating speed of an output end inside the electromagnetic speed reducing motor body (2) exceeds a speed measuring alarm, and the buzzer sends an alarm, so that the buzzer alarms or the Hall speed measuring sensor (4) is connected into the electromagnetic speed reducing motor body, and the buzzer alarm (2) is disconnected, and the buzzer alarm is connected, therefore, the electromagnetic speed reducing motor is convenient for workers to operate, and the electromagnetic speed reducing motor body (2) can be subjected to speed limiting protection;
s2, when a worker needs to perform overheat protection on the electromagnetic speed reducing motor body (2), because the inside of the temperature detector assembly (8) is electrically connected with a movable screw rod (10), the top end of the movable screw rod (10) is provided with an adjusting knob, the middle part of one side of the inner wall of the movable screw rod (10) is provided with a heated expansion pipe (11), the surface of the heated expansion pipe (11) is provided with a touch switch a, the middle part of the other side of the inner wall of the movable screw rod (10) is provided with a touch switch b (12), the position of the touch switch a is matched with that of the touch switch b (12), the bottom of the heated expansion pipe (11) is provided with a heat transfer sheet, the bottom of the heat transfer sheet is connected with a heat absorption layer (13), the bottom of the movable screw rod (10) is provided with a fixing clamp (14), the heat absorption layer (13) is positioned on the inner wall of the fixing clamp (14), so that the heat generated by the electromagnetic speed reducing motor body (2) during working can be absorbed by the heat transfer layer (13), the heat absorption layer (13) is transferred to the inside of the heated expansion pipe (11) through the heat transfer sheet, the heat transfer sheet to the heat dissipation structure (27) which is gradually enlarged when the surface of the heat transfer switch a contact switch b is contacted with the heat dissipation structure, and the heat dissipation groove (27) is arranged on the heat dissipation groove (12) of the heat dissipation groove (27), therefore, the heat dissipation fan (28) can work, the heat dissipation fan (28) can cool the heat in the working box body (1), and the structure can well protect the electromagnetic speed reduction motor body (2);
s3, when a worker needs to damp the electromagnetic reducing motor body (2), a limiting groove is formed in the inner bottom wall of the working box body (1), limiting clamps (19) are installed on two sides of the inner portion of the limiting groove, movable rods (20) are installed on one sides of the limiting clamps (19), movable sleeves (21) are inserted into the top ends of the movable rods (20), damping springs (22) are arranged inside the movable sleeves (21), transmission rods (23) are arranged inside the limiting clamps (19), a rotating shaft is in threaded connection with the intersection of the transmission rods (23) and the limiting clamps (19), bearing plates (3) are arranged on the top ends of the transmission rods (23), the top of each bearing plate (3) is connected with the electromagnetic reducing motor body (2), vibration generated when the electromagnetic reducing motor body (2) works can drive the bearing plates (3) to shake, the bearing plates (23) can be driven to extrude the damping springs (22) to one side after the bearing plates (3) are stressed, the damping springs (22) deform, the damping springs (22) can play a certain buffering effect on the bearing plates (3) according to the elasticity of the inner side of the damping slide plate, and meanwhile, a sliding chute (15) for the electromagnetic reducing motor body is formed in the limiting groove (1), the surface of the limiting sliding plate (16) is provided with a limiting hole, one side of the surface of the working box body (1) is inserted with a limiting bolt (17), the size of the limiting bolt (17) is matched with the limiting hole, the inside of the limiting sliding groove (15) is connected with a fixed base (18) in a sliding mode through the limiting sliding plate (16), and an electromagnetic speed reducing motor body (2) is arranged inside the fixed base (18), so that a worker can place the electromagnetic speed reducing motor body (2) into the fixed base (18), then place the fixed base (18) into the working box body (1) through the matching use of the limiting sliding plate (16) and the limiting sliding groove (15), and insert the limiting bolt (17) into the limiting hole to complete fixation, time and labor are saved;
s4, when the staff need pass through the device's waterproof performance, there is sealed lid (32) because of the rear end of work box (1) one side through hinge connection, department around sealed lid (32) back is provided with insulating pad (33), one side at sealed lid (32) back middle part is provided with buckle (35), make staff's accessible buckle (35) carry out the high-speed joint with sealed lid (32) and work box (1) and fix, insulating pad (33) can make this structure inside keep good seal, meanwhile, again because of the mid-mounting on work box (1) surface has the sliding seat, limit baffle (29) have been cup jointed to the inside of sliding seat, one side of radiating groove (27) inside is connected with switch lid (30) through the bull stick, the middle part standing groove on switch lid (30) surface has been seted up, the internally mounted of standing groove has handle (31), make the staff can be closed switch lid (30), can carry out spacing fixing to switch lid (30) in the use of collocation through sliding seat and limit baffle (29), thereby further promotion the leakproofness of the device, the waterproof performance of it has been improved.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210676194.1A CN114977665B (en) | 2022-06-15 | 2022-06-15 | Electromagnetic speed reducing motor with speed limiting protection |
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| CN202210676194.1A CN114977665B (en) | 2022-06-15 | 2022-06-15 | Electromagnetic speed reducing motor with speed limiting protection |
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| CN101807827B (en) * | 2009-09-25 | 2012-07-18 | 方建成 | Digital motor |
| CN113098223A (en) * | 2021-03-30 | 2021-07-09 | 苏州全光光伏科技有限公司 | Rare earth permanent magnet motor based on Hall effect and control method |
| CN113818772A (en) * | 2021-08-03 | 2021-12-21 | 江苏一东航空机械有限公司 | Permanent magnet brushless direct current motor for vehicle window and control method thereof |
| CN114096091B (en) * | 2021-11-17 | 2022-11-01 | 南通茂业电子科技有限公司 | Electric permanent magnetic chuck controller with circuit breaking protection structure |
| CN114421699A (en) * | 2022-01-18 | 2022-04-29 | 嘉兴学院 | Permanent magnet synchronous motor with protection structure |
| CN114585226B (en) * | 2022-03-07 | 2023-10-03 | 南通联航通讯科技有限公司 | Energy-saving power amplifier cooling device with heat exchange |
| CN114583896B (en) * | 2022-03-10 | 2022-09-23 | 嘉兴学院 | Switched reluctance motor with good anti-electromagnetic interference effect |
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Address after: 314001 2 building, Photovoltaic Science Park, 1288 Kang He road, Xiuzhou District, Jiaxing, Zhejiang. Applicant after: JIAXING University Address before: Building 7, Jiaxing Smart Industry Innovation Park, No. 36 Changsheng South Road, Jiaxing City, Zhejiang Province 314001 Applicant before: JIAXING University |
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