CN206774444U - Transmission limit device used for high-voltage switch - Google Patents

Transmission limit device used for high-voltage switch Download PDF

Info

Publication number
CN206774444U
CN206774444U CN201720434426.7U CN201720434426U CN206774444U CN 206774444 U CN206774444 U CN 206774444U CN 201720434426 U CN201720434426 U CN 201720434426U CN 206774444 U CN206774444 U CN 206774444U
Authority
CN
China
Prior art keywords
driving
motor
voltage switch
stop
limit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201720434426.7U
Other languages
Chinese (zh)
Inventor
邓渊
程铁汉
唐诚
吴军辉
韩书谟
金光耀
高树同
王俊
高杨
刘恒
杨志勇
赵芳帅
贺小维
张培园
庞亚娟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Ping Da Da Technology Development Co Ltd
State Grid Corp of China SGCC
State Grid Hubei Electric Power Co Ltd
Pinggao Group Co Ltd
Original Assignee
Beijing Ping Da Da Technology Development Co Ltd
State Grid Corp of China SGCC
State Grid Hubei Electric Power Co Ltd
Pinggao Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Ping Da Da Technology Development Co Ltd, State Grid Corp of China SGCC, State Grid Hubei Electric Power Co Ltd, Pinggao Group Co Ltd filed Critical Beijing Ping Da Da Technology Development Co Ltd
Priority to CN201720434426.7U priority Critical patent/CN206774444U/en
Application granted granted Critical
Publication of CN206774444U publication Critical patent/CN206774444U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides a kind of transmission limit device used for high-voltage switch, including driving member, one end of driving member is used to be used to be connected with the motor output shaft plug-in type rotation stop of motor with the connecting lever axle drive connection in Crankarm box, the other end, the outer cover of driving member is provided with fixed cover, one end of fixed cover is used to be fixed on Crankarm box or motor, finite place piece is set on the outer peripheral face of driving member, is provided with the endoporus of fixed cover and coordinates with locating part block to limit the stop part of the rotational limitation of driving member.The beneficial effects of the utility model:When motor drives driving member rotation, stop part can coordinate with locating part block, limit the rotational limitation of driving member, make motor by it is positive and negative be conveyed to setting divide-shut brake angle when, under stop part effect, ensure that it can only be moved in limited corner, prevent overshoot caused by overshoot, maloperation, electromagnetic interference etc. from hitting arc-chutes inside damage high-voltage switch gear, ensure the safe operation of high-voltage switch gear.

Description

Transmission limit device used for high-voltage switch
Technical field
It the utility model is related to a kind of transmission limit device used for high-voltage switch.
Background technology
Traditional high-voltage breaker operation mechanism fault rate is high, stability is poor, complicated in mechanical structure, to the peace of power system Row for the national games causes larger potential safety hazard, therefore proposes directly utilize the new actuating of motor driving primary cut-out in recent years Mechanism.Application publication number is CN104701104A, and data of publication of application is that 2015.06.10 Chinese invention patent application discloses A kind of primary cut-out, the breaker include A, B, C three-phase insulator and the Crankarm box being arranged on below each phase insulator, driving electricity External splines structure, motor output shaft and the driving crank in Crankarm box are provided with the motor output shaft of machine(That is transmission crank arm)It is logical Spline connection is crossed, the upper end of transmission crank arm is connected with insulated tension pole, the other end of insulated tension pole and the moving contact phase in arc-chutes Even.When motor output shaft rotates, transmission crank arm will be driven to rotate, and then move up and down insulated tension pole, realize that divide-shut brake is grasped Make, while transmission main shaft is provided between the transmission crank arm of adjacent Crankarm box(That is connecting lever axle), so as to realize three-phase ganged.
The motor output shaft of this motor is to be directly protruding into Crankarm box to be connected with transmission crank arm, in the prior art Some connecting lever axles are also cross three-phase Crankarm box, directly drive the action of three-phase transmission crank arm, at this moment connecting lever axle exports with motor The connecting portion of axle is located at the outside of Crankarm box, generally use spline housing or ring flange(That is transmission device)The two is connected to Together., can be by motor although transmission and connection function can be played using this transmission device of the prior art Power passes to insulated tension pole, but does not have position limitation protection function, i.e., the breaking-closing operating of breaker can only rely on drive completely Dynamic motor forward or reverse certain angle controls, then just need by the rotating forward of control system and algorithm to motor and Reversion is regulated and controled, therefore control cabinet is generally also associated with motor.
But when the breaking-closing operating of breaker is realized in motor rotating, within the actuation time of Millisecond Complete the process of startup-acceleration-at the uniform velocity-deceleration-stopping, it is easy to causing overshoot phenomenon, cause separating brake to rebound and shake, influence Break performance and arc-chutes life-span, while motor is also easily by the strong electromagnetic under hyperbaric environment, cause malfunction or It is not normal, cause overshoot to be hit, be unfavorable for the safe and stable operation of high-voltage switch gear, larger hidden danger to power grid security be present.
Utility model content
The purpose of this utility model, which is to provide, a kind of can avoid overshoot from hitting, improve high-voltage switch gear safety in operation Transmission limit device used for high-voltage switch.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical scheme that:
A kind of transmission limit device used for high-voltage switch, including driving member, one end of driving member be used for installed in Crankarm box In connecting lever axle drive connection, the other end be used for be connected with the motor output shaft plug-in type rotation stop of motor, driving member outside Portion is arranged with fixed cover, and one end of fixed cover is used to be fixed on Crankarm box or motor, set on the outer peripheral face of driving member Finite place piece, it is provided with the endoporus of fixed cover and coordinates with the locating part block to limit the block of the rotational limitation of driving member Part.
The locating part and stop part are in fan-shaped block.
The driving member is provided with least two first gear shapings for one end for being connected with motor output shaft, two neighboring The gap of the second gear shaping insertion on power supply machine output shaft is formed between first gear shaping.
Each first gear shaping is in sector.
Each first gear shaping is uniformly distributed along the circumference.
The beneficial effects of the utility model are:Due to setting finite place piece on the outer peripheral face of driving member, fixed cover it is interior Stop part is provided with hole, therefore when motor drives driving member rotation, stop part can coordinate with locating part block, so as to Limit the rotational limitation of driving member so that motor is after by the positive and negative divide-shut brake angle for being conveyed to set, in stop part In the presence of, ensure that it can only be moved in limited corner, prevent the mistake caused by overshoot, maloperation, electromagnetic interference etc. Arc-chutes inside damage high-voltage switch gear are hit in collision, have ensured safe and stable, the reliability service of high-voltage switch gear, eliminate power network peace Full hidden danger.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of the utility model high-voltage switch transmission limit device;
Fig. 2 is Fig. 1 left view;
Fig. 3 is that the transmission limit device used for high-voltage switch in Fig. 1 applies the schematic diagram on high-voltage switch gear;
Fig. 4 is Fig. 3 close-up schematic view.
In figure:1. arc-chutes;2. Crankarm box;21. connecting lever axle;3. motor;31. tooth set;4. transmission limit device; 41. fixed cover;42. driving member;43. internal spline structure;44. gear shaping structure;45. limited block;46. stop block;5. post insulator Son.
Embodiment
As shown in Fig. 1 ~ Fig. 4, the transmission limit device 4 includes passing one embodiment of transmission limit device used for high-voltage switch Moving part 42, fixed cover 41, the rolling assembling of driving member 42 is in the inside of fixed cover 41.Wherein one end of driving member 42 is used for and driving The motor output shaft plug-in type rotation stop connection of motor 3, the other end are used for and in Crankarm box 2 and stretch out Crankarm box 2 Connecting lever axle 21 is connected, and one end being connected with connecting lever axle 21 of driving member 42 is provided with internal spline structure 43, corresponding connecting lever External splines structure is provided with axle 21, driving member 42 is connected with connecting lever axle 21 by spline drived.
One end being connected with motor output shaft of driving member 42 is provided with gear shaping structure 44, and the gear shaping structure 44 includes circumference Four the first gear shapings uniformly at intervals, a tooth set 31 is arranged with corresponding motor output shaft, and tooth set 31 is included between circumference Every four uniform the second gear shapings, the first gear shaping and the second gear shaping are in fan-shaped and equal in magnitude, structure between adjacent first gear shaping Into the gap for the insertion of the second gear shaping, therefore after gear shaping structure 44 and tooth cover 31 pairs and inserted, it is combined into a complete cylindrical drum Structure, due to the effect of contraction of sector to each other so that motor output shaft realizes effective centering with transmission limit device, Avoid and sweep thorax caused by motor bias.
In use, one end of fixed cover 41 is weldingly fixed on Crankarm box 2, integrally it is convexly equipped with the inner peripheral surface of fixed cover 41 Stop block 46, the stop block 46 have certain length in sector.Limited block 45 is installed with the outer peripheral face of driving member 42, Limited block 45 is also in sector, and have certain length, when driving member 42 just goes to certain angle, limited block 45 and stop block 46 end face block coordinates, same when driving member 42 is inverted to so as to limit the rotational limitation of driving member 42 in this direction During certain angle, the other end block of limited block 45 and stop block 46 coordinates, so as to limit driving member 42 in this direction Rotational limitation.The length of limited block 45 and stop block 46 is corresponding with the divide-shut brake angle of high-voltage switch gear, according to different points Combined floodgate angle, the corresponding length of limited block 45 and stop block 46 can be set.
The operation principle of transmission limit device used for high-voltage switch is:When motor 3 is connected to divide-shut brake instruction, pass through tooth The drive driving member 42 of set 31 rotates, and driving member 42 drives connecting lever axle 21 to rotate by internal spline structure 43, and connecting lever axle 21 drives again Transmission crank arm in Crankarm box 2(Not shown in figure)Rotate, and then drive the insulated tension pole in support insulator 5(In figure It is not shown)Move up and down, so as to realize the breaking-closing operating of arc-chutes 1.In driving member 42 with motor output shaft forward or reverse During, it is spacing to carry out effective divide-shut brake to it by the cooperation of the block of limited block 45 and stop block 46, make motor 3 There is control cabinet(Not shown in figure)On the basis of being regulated and controled, it is set to be transported in limited corner further through mechanical structure It is dynamic, dual fail-safe is realized, is prevented because overshoot is hit inside damage high-voltage switch gear caused by overshoot, maloperation, electromagnetic interference etc. Arc-chutes, safe and stable, the reliability service of high-voltage switch gear are ensured, has eliminated power grid security hidden danger.
Coordinated between driving member 42 and motor 3 using the connection of plug-in type rotation stop, not only ensure that accuracy of alignment, avoid Motor is eccentric, and compared with prior art in spline housing or ring flange for, if what tooth set 31 represented is exactly motor is defeated The diameter of shaft, it is changeless, after now the gear shaping structure 44 on driving member covers 31 grafting with tooth, both are combined into cylinder Barrel structure, external diameter are the same, so as to reduce the radius of gyration of driving member 42, effectively reduce rotary inertia.Meanwhile use When plug-in type rotation stop connects, certain material is all eliminated equivalent in shaft coupling and motor output end, is turned so as to reduce The weight of dynamic component, rotary inertia is effectively reduced, can thus reduce the requirement to motor and control system, make limited The high-voltage switch gear of corner locating is easier to realize.Therefore transmission limit device of the present utility model can not only realize transmission but also can It is spacing to realize, and device volume is small, in light weight, simple in construction, reliable and stable, the operation that can effectively improve high-voltage switch gear can By property, there are the potentiality promoted on a large scale, vital effect is played in the safe operation to high-tension switch gear.
In the other embodiment of transmission limit device used for high-voltage switch:It can also be flat key between connecting lever axle and driving member Connection or the connection of gear shaping structure;The first gear shaping on driving member can also have two or three, corresponding motor output shaft Second gear shaping of upper tooth set also has two or three;Second gear shaping can also be processed directly on motor output shaft; First gear shaping and the second gear shaping can not be circumference uniform distribution, and now each first gear shaping or each second gear shaping is of different sizes;First Gear shaping and the second gear shaping can not be sector, for example all be the straight-tooth of rectangular cross-section, and when the first gear shaping has two, this two Individual first gear shaping is parallel, and now the second gear shaping is also parallel and is plugged between two the first gear shapings;Plug-in type rotation stop Connection can also be that gear shaping is set in one end of driving member, the jack inserted for gear shaping is set on motor output shaft;Locating part Fan-shaped block is can not be with stop part, for example locating part can be two rectangular blocks being spaced apart, stop part can also be Two rectangular blocks being spaced apart;One end of fixed cover can also be fixed on the shell of motor.

Claims (5)

  1. A kind of 1. transmission limit device used for high-voltage switch, it is characterised in that:Including driving member, one end of driving member is used for and installation Connecting lever axle drive connection in Crankarm box, the other end are used to be connected with the motor output shaft plug-in type rotation stop of motor, pass The outer cover of moving part is provided with fixed cover, and one end of fixed cover is used to be fixed on Crankarm box or motor, the periphery of driving member Finite place piece is set on face, is provided with the endoporus of fixed cover and coordinates with the locating part block to limit the rotation pole of driving member The stop part of limit.
  2. 2. transmission limit device used for high-voltage switch according to claim 1, it is characterised in that:The locating part and stop part It is in fan-shaped block.
  3. 3. transmission limit device used for high-voltage switch according to claim 1 or 2, it is characterised in that:The use of the driving member The one end being connected with motor output shaft is provided with least two first gear shapings, formed between two neighboring first gear shaping for supplying The gap of the second gear shaping insertion on motor output shaft.
  4. 4. transmission limit device used for high-voltage switch according to claim 3, it is characterised in that:Each first gear shaping is in fan Shape.
  5. 5. transmission limit device used for high-voltage switch according to claim 4, it is characterised in that:Each first gear shaping is circumferentially Uniformly.
CN201720434426.7U 2017-04-24 2017-04-24 Transmission limit device used for high-voltage switch Active CN206774444U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720434426.7U CN206774444U (en) 2017-04-24 2017-04-24 Transmission limit device used for high-voltage switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720434426.7U CN206774444U (en) 2017-04-24 2017-04-24 Transmission limit device used for high-voltage switch

Publications (1)

Publication Number Publication Date
CN206774444U true CN206774444U (en) 2017-12-19

Family

ID=60634071

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720434426.7U Active CN206774444U (en) 2017-04-24 2017-04-24 Transmission limit device used for high-voltage switch

Country Status (1)

Country Link
CN (1) CN206774444U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107068473A (en) * 2017-04-24 2017-08-18 平高集团有限公司 A kind of transmission limit device used for high-voltage switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107068473A (en) * 2017-04-24 2017-08-18 平高集团有限公司 A kind of transmission limit device used for high-voltage switch

Similar Documents

Publication Publication Date Title
CN206774444U (en) Transmission limit device used for high-voltage switch
CN207116306U (en) The spacing high-voltage switch gear of finite angle
CN107068473A (en) A kind of transmission limit device used for high-voltage switch
CN107068474A (en) A kind of spacing high-voltage switch gear of finite angle
CN207199524U (en) Transmission limit device
CN107068475A (en) A kind of transmission limit device
CN105398872A (en) Textile rack
CN206402018U (en) A kind of motor of new adjustable support
CN104599837A (en) Coil winding machine
CN104140052B (en) Winding buffering mechanism and winching device
CN203925884U (en) A kind of vertical axis aerogenerator
CN103490365B (en) High-voltage line deicer deicing mechanism
CN207536677U (en) Brushless straight drive roller on a kind of axis
CN104226485A (en) Mechanical vibrating device for electric dust remover
CN207053322U (en) It is a kind of from radiating motor
CN201269225Y (en) Rolling gear of rotating machine
CN204332717U (en) A kind of motor-operating mechanism of pole isolating switch
CN206211805U (en) Direct current generator
CN206328038U (en) A kind of arc-extinguishing harmonic-eliminating cabinet hanging apparatus
CN208244858U (en) A kind of mining ball mill
CN209943816U (en) Asynchronous origin displacement turning mechanism of wheeled pipeline detection robot
CN107215406A (en) One kind building municipal administration robot
CN206445795U (en) A kind of crash structure and robot
CN203522094U (en) Deicing mechanism for high-voltage line deicing devices
CN207134892U (en) A kind of motor rotating device of weaving loom

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant