CN116632706A - Handcart transmission assembly for high-voltage circuit breaker - Google Patents

Handcart transmission assembly for high-voltage circuit breaker Download PDF

Info

Publication number
CN116632706A
CN116632706A CN202310611960.0A CN202310611960A CN116632706A CN 116632706 A CN116632706 A CN 116632706A CN 202310611960 A CN202310611960 A CN 202310611960A CN 116632706 A CN116632706 A CN 116632706A
Authority
CN
China
Prior art keywords
circuit breaker
disc
fixed box
rotating
voltage circuit
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.)
Pending
Application number
CN202310611960.0A
Other languages
Chinese (zh)
Inventor
李延武
葛寿成
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.)
Areva Electric Suzhou Co ltd
Original Assignee
Areva Electric Suzhou 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 Areva Electric Suzhou Co ltd filed Critical Areva Electric Suzhou Co ltd
Priority to CN202310611960.0A priority Critical patent/CN116632706A/en
Publication of CN116632706A publication Critical patent/CN116632706A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H7/00Gearings for conveying rotary motion by endless flexible members
    • F16H7/02Gearings for conveying rotary motion by endless flexible members with belts; with V-belts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B11/00Switchgear having carriage withdrawable for isolation
    • H02B11/02Details
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B11/00Switchgear having carriage withdrawable for isolation
    • H02B11/12Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
    • H02B11/167Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16Mechanical energy storage, e.g. flywheels or pressurised fluids

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)

Abstract

The invention is suitable for the technical field of high-voltage circuit breakers, and provides a handcart transmission assembly for a high-voltage circuit breaker. This handcart drive assembly for high voltage circuit breaker is through turning the rotation switch for limiting plate is spacing to spacing pawl, starts driving motor, and the transfer line moves through connecting rod and connection pad pulling haulage rope when the activity pointer removes, and energy storage spring expansion energy storage, when the activity pointer moved to the assigned position, driving motor closed, can accomplish the energy storage, and reverse turning the rotation switch can release, makes the staff when turning the rotation switch, and this drive assembly is not possess electric power, has replaced driven switch and circuit to link directly, leads to the switch to produce situations such as electric arc when closing or opening and stopping, improves the protectiveness.

Description

Handcart transmission assembly for high-voltage circuit breaker
Technical Field
The invention belongs to the technical field of high-voltage circuit breakers, and particularly relates to a handcart transmission assembly for a high-voltage circuit breaker.
Background
The high-voltage circuit breaker (or high-voltage switch) can cut off or close the no-load current and the load current in the high-voltage circuit, and cuts off the overload current and the short-circuit current through the action of the relay protection device when the system fails, and has quite perfect arc extinguishing structure and enough breaking capacity, and can be divided into: oil circuit breakers (multi-oil circuit breakers, low-oil circuit breakers), sulfur hexafluoride circuit breakers (SF 6 circuit breakers), compressed air circuit breakers, vacuum circuit breakers, and the like.
The existing high-voltage circuit breaker is internally provided with a switch for the high-voltage circuit breaker, which usually needs to be manually rotated, but most of the switches are not provided with an energy storage mechanism when being switched on, so that the switches are directly connected with a circuit, after the high-voltage circuit breaker is electrified, when the switches are controlled, the conditions such as electric arcs are easy to generate, when the voltage is too high, the electric arcs can cause certain damage to staff, and certain potential safety hazards exist.
Disclosure of Invention
The invention provides a handcart transmission assembly for a high-voltage circuit breaker, which aims to solve the problems that most of the handcart transmission assemblies are not provided with an energy storage mechanism when being switched, so that the high-voltage circuit breaker is directly connected with a circuit, and electric arcs and other conditions are easy to generate when the high-voltage circuit breaker is controlled after the high-voltage circuit breaker is electrified.
The invention is realized in such a way that the handcart transmission assembly for the high-voltage circuit breaker comprises a fixed box, a transmission rod arranged on the fixed box and used for rotating, an upper rotating disc arranged on the transmission rod and used for transmission, a rotating gear arranged on the fixed box and positioned at one side of the transmission rod and used for rotation, and a transmission chain arranged on the rotating gear and used for matching the upper rotating disc; the surface of the upper rotating disc is provided with a connecting rod for rotation, one end of the connecting rod is provided with a connecting disc for traction, the surface of the connecting disc is fixedly provided with a traction rope, and the limiting shaft is arranged on the fixed box and positioned at one side of the transmission rod for limiting; the fixed box is provided with an energy storage component matched with the upper rotating disc, the energy storage component comprises a lower rotating disc fixedly arranged on the fixed box, a fixed plate rotationally arranged on the lower rotating disc, the other end of the fixed plate is fixedly connected with the surface of the fixed box, a rotating sleeve is sleeved on the surface of the lower rotating disc, a supporting plate for supporting is arranged on the fixed box, a moving plate for sliding is arranged on the fixed box, an energy storage spring is telescopically and transversely arranged between the moving plate and the supporting plate, and a traction rope is fixedly connected with the moving plate around a rotating sleeve on the surface of the lower rotating disc; the limiting component is arranged in the fixed box and matched with the upper rotating disc for use; the driving motor is arranged in the fixed box and matched with the limiting assembly for use; the front mounting seat is arranged on the fixed box, and the front mounting seat is provided with a breaker assembly.
Preferably, the connecting plate is arranged on the transmission rod, one side of the connecting plate is fixedly provided with a fixed disc, and the back of the fixed disc is provided with a rotating shaft.
Preferably, a gear matched with the transmission chain is arranged on a rotating shaft on the back of the fixed disc, the front of the fixed disc is provided with a rotating pointer matched with the rotating shaft, and the front of the fixed disc is fixedly provided with a fixed pointer.
Preferably, a shrinkage rod is fixedly arranged on one side of the support plate, a shrinkage cylinder is fixedly arranged on one side of the moving plate, and a through hole matched with the shrinkage rod is formed in one end of the shrinkage cylinder.
Preferably, the breaker assembly comprises an upper breaker detachably arranged on the front mounting seat, a rear mounting seat arranged on the fixed box and positioned on one side of the front mounting seat, and a lower breaker arranged on the front mounting seat and positioned at the bottom of the upper breaker.
Preferably, the mounting strip is arranged on the rear mounting seat and used for mounting, a connector is arranged on the mounting strip, a connecting block matched with the mounting strip is arranged on the back of the connector, a plurality of upper positioning grooves are formed in the surface of the mounting strip along the length direction of the rear mounting seat at intervals, fixing bolts are connected with the surface of the rear mounting seat in a threaded mode, and threaded holes matched with the fixing bolts are formed in the fixing box.
Preferably, locate the installation base that front mounting seat bottom is used for supporting, a plurality of lower constant head tank has been seted up to the upper surface of installation base, the both sides of lower circuit breaker are equipped with the mounting panel that a plurality of is used for the bolt to install, one side of lower circuit breaker bottom is equipped with the stop collar, lower constant head tank inside insert be equipped with the locating lever of stop collar looks adaptation.
Preferably, the limiting assembly is arranged in the fixing box and used for rotating the transmission disc, one end of the transmission disc is fixedly connected with the transmission rod, a ratchet wheel is arranged on the surface of the transmission disc, a driving rod is fixedly arranged on an output shaft of the driving motor, and a transmission belt used for transmission is arranged between the driving rod and the transmission disc.
Preferably, the rotary switch is arranged in the fixed box and used for rotating, an upper gear is fixedly arranged on the surface of the rotary switch, a limiting plate is arranged in the fixed box and used for sliding, and a tooth slot meshed with the upper gear is arranged on one side of the limiting plate.
Preferably, a limit pawl is arranged on the fixed box and positioned on one side of the transmission disc, the front end of the rotary switch rotatably extends to the outside of the fixed box, and a rotary button is arranged at one end of the rotary switch positioned outside the fixed box.
Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
according to the handcart transmission assembly for the high-voltage circuit breaker, the rotary switch is twisted, the limiting plate limits the limiting pawl, the driving motor is started, the driving rod drives the driving disc to rotate positively through the driving belt, when the driving rod rotates positively, the driving rod drives the driving chain to move, the driving chain moves on the rotating gear and drives the rotating shaft in the fixed disc to rotate, the movable pointer moves, the driving rod pulls the traction rope to move through the connecting rod and the connecting disc, the energy storage spring expands and stores energy, when the movable pointer moves to a designated position, the driving motor is closed, energy storage can be completed, the rotary switch can be reversely twisted to release, the driving assembly is provided with no electric power, the situation that the electric arc is generated when the rotary switch is turned off or started and stopped by replacing the driving switch, the problem that the electric arc damages the worker when the worker touches the rotary switch due to overlarge voltage is avoided, and the protection performance is improved.
According to the handcart transmission assembly for the high-voltage circuit breaker, through the arrangement of the mounting strips, the cross section of the mounting strips is T-shaped, the back surface of the connector is combined with the connecting block, the back surface of the connector is provided with the T-shaped groove, one end of the connector is aligned with the mounting strips, the connector is slid, the mounting strips can be inserted into the T-shaped groove on the back surface of the connector to be fixed, the mounting and the dismounting are simpler, the connector can be limited by inserting the limiting rod matched with the upper positioning groove into the corresponding upper positioning groove in cooperation with the upper positioning groove, the connector is prevented from falling off, the mounting stability can be improved, after the circuit breaker is placed on the mounting base, the lower circuit breaker can be assisted in positioning by inserting the limiting sleeve into the lower positioning groove, and then the mounting can be completed by screwing the bolt onto the front mounting base through the mounting plate.
Drawings
FIG. 1 is a schematic elevational cross-sectional view of the structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present invention;
FIG. 3 is a schematic elevational view of the limiting plate and the drive rod of the present invention;
FIG. 4 is a schematic side cross-sectional view of the structure of the fixing bolt and the upper positioning groove of the present invention;
fig. 5 is a schematic elevational view of the structure of the present invention.
In the figure: 1. a fixed box; 2. a transmission rod; 3. an upper rotating disc; 4. a rotary switch; 5. a connecting plate; 6. a fixed plate; 7. rotating the gear; 8. a limiting shaft; 9. a connecting rod; 10. a lower rotating disc; 11. a fixing plate; 12. a connecting disc; 13. a traction rope; 14. a moving plate; 15. a shrink cylinder; 16. a retracting lever; 17. an energy storage spring; 18. a support plate; 19. a mounting plate; 20. a front mounting base; 21. a lower circuit breaker; 22. a top circuit breaker; 23. a connecting block; 24. a rear mounting base; 25. a mounting bar; 26. a drive plate; 27. a ratchet wheel; 28. a top gear; 29. a limiting plate; 30. a driving rod; 31. a drive belt; 32. a driving motor; 33. a mounting base; 34. a limit sleeve; 35. a positioning rod; 36. a lower positioning groove; 37. a connector; 38. a fixing bolt; 39. and (5) an upper positioning groove.
Description of the embodiments
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1-5, the present invention provides a technical solution for a handcart transmission assembly for a high voltage circuit breaker: the handcart transmission assembly for the high-voltage circuit breaker comprises a fixed box 1, a transmission rod 2 which is arranged on the fixed box 1 and used for rotating, an upper rotating disc 3 which is arranged on the transmission rod 2 and used for driving, a rotating gear 7 which is arranged on the fixed box 1 and is positioned on one side of the transmission rod 2 and used for rotating, and a transmission chain which is arranged on the rotating gear 7 and used for matching the rotating disc 3.
Through the drive chain, when the drive rod 2 rotates, the drive rod 2 can drive the upper rotating disc 3 to drive the drive chain, and then the drive chain drives the rotating gear 7 to rotate, so that the drive chain moves.
The rotating gear 7 is rotatably connected with the fixed box 1 through a bearing.
The surface of the upper rotating disc 3 is provided with a connecting rod 9 for rotation, one end of the connecting rod 9 is provided with a connecting disc 12 for traction, the surface of the connecting disc 12 is fixedly provided with a traction rope 13, and the traction rope is arranged on the fixed box 1 and positioned on one side of the transmission rod 2 for limiting a limiting shaft 8.
The limiting shaft 8 is rotatably connected with the surface of the fixed box 1 through a bearing.
When connecting rod 9 pulls haulage rope 13 through connection pad 12 and carries out the removal, spacing axle 8 can carry out spacingly, prevents when connection pad 12 perk, when connecting rod 9 drove connection pad 12 and remove to upper rotating disc 3 top, haulage rope 13 can slide along the surface of spacing axle 8, reduces frictional force.
The fixed box 1 is provided with an energy storage component matched with the upper rotating disc 3 for use, the energy storage component comprises a lower rotating disc 10 fixedly arranged on the fixed box 1, a fixed plate 11 arranged on the lower rotating disc 10 in a rotating mode, the other end of the fixed plate 11 is fixedly connected with the surface of the fixed box 1, a rotating sleeve is sleeved on the surface of the lower rotating disc 10, a supporting plate 18 used for supporting is arranged on the fixed box 1, a moving plate 14 used for sliding is arranged on the fixed box 1, an energy storage spring 17 is transversely arranged between the moving plate 14 and the supporting plate 18 in a telescopic mode, and a traction rope 13 is fixedly connected with the moving plate 14 around the rotating sleeve on the surface of the lower rotating disc 10.
When the upper rotating disc 3 rotates, the upper rotating disc 3 drives the connecting rod 9 to rotate, the connecting rod 9 moves through the connecting disc 12, and then the connecting disc 12 pulls the moving plate 14 to move through the traction rope 13, so that the energy storage spring 17 is unfolded and energy storage is carried out.
The limiting component is arranged in the fixed box 1 and matched with the rotating disc 3 for use; a driving motor 32 which is arranged in the fixed box 1 and is matched with a limiting component for use; a front mounting seat 20 arranged on the fixed box 1, and a breaker component arranged on the front mounting seat 20.
In this embodiment, when the energy storage of the energy storage assembly is completed, the power of the driving motor 32 can be cut off for storage by the breaker assembly for subsequent operation.
Further, the connecting plate 5 is arranged on the transmission rod 2, and the connecting plate 5 is rotationally connected with the transmission rod 2 through a bearing.
One side of the connecting plate 5 is fixedly provided with a fixed disc 6, the back surface of the fixed disc 6 is provided with a rotating shaft, and the rotating shaft is rotationally connected with the fixed disc 6 and the fixed box 1 through a bearing.
The rotating shaft on the back of the fixed disc 6 is provided with a gear matched with a transmission chain, the front of the fixed disc 6 is provided with a rotating pointer matched with the rotating shaft, and the front of the fixed disc 6 is fixedly provided with a fixed pointer.
In this embodiment, when the upper rotating disc 3 drives the driving chain to rotate through the driving shaft on the surface of the fixed disc 6, the gear on the surface of the fixed disc 6 rotates with the driving chain, and when the rotating pointer on the fixed disc 6 reaches the fixed pointer, the breaker assembly de-energizes the driving rod 30, namely, the energy storage is considered to be completed.
Further, a shrinkage rod 16 is fixedly installed on one side of the support plate 18, a shrinkage cylinder 15 is fixedly installed on one side of the moving plate 14, and a through hole matched with the shrinkage rod 16 is formed in one end of the shrinkage cylinder 15.
In this embodiment, when the energy storage spring 17 stretches or contracts, the contraction rod 16 slides in the through hole inside the contraction tube 15, so that the contraction rod 16 and the contraction tube 15 limit the movement plate 14 in the movement process, and the movement plate 14 can only move horizontally.
Further, the circuit breaker assembly includes an upper circuit breaker 22 detachably mounted on the front mounting base 20, a rear mounting base 24 mounted on the fixed box 1 and located at one side of the front mounting base 20, and a lower circuit breaker 21 mounted on the front mounting base 20 and located at the bottom of the upper circuit breaker 22.
In this embodiment, the mating of the lower circuit breaker 21, upper circuit breaker 22 and connector 37 allows the circuit to be connected through the interfaces on the lower circuit breaker 21, upper circuit breaker 22 and connector 37 for subsequent control.
Further, the mounting strip 25 is arranged on the rear mounting seat 24 and used for mounting, the connector 37 is arranged on the mounting strip 25, the connecting block 23 matched with the mounting strip 25 is arranged on the back of the connector 37, a plurality of upper positioning grooves 39 are formed in the surface of the mounting strip 25 at intervals along the length direction of the rear mounting seat 24, the fixing bolt 38 is connected with the surface of the rear mounting seat 24 in a threaded manner, and the fixing box 1 is provided with threaded holes matched with the fixing bolt 38.
In this embodiment, through the setting of installation strip 25 for the cross-section of installation strip 25 is the T font, the back of connector 37 and the combination of connecting block 23, make the back of connector 37 form a T-shaped groove, aim at installation strip 25 with the one end of connector 37, sliding connector 37 can make installation strip 25 insert the T-shaped groove at the connector 37 back fix can, installation and dismantlement are all comparatively simple, and cooperate the constant head tank 39, can carry out spacingly to connector 37 with the gag lever post that goes up the constant head tank 39 adaptation inserts corresponding upper constant head tank 39 department, prevent that connector 37 from droing, improve the protectiveness.
Further, locate the installation base 33 that is used for supporting of preceding mount pad 20 bottom, a plurality of lower constant head tank 36 has been seted up to the upper surface of installation base 33, and the both sides of lower circuit breaker 21 are equipped with a plurality of mounting panel 19 that are used for the bolt installation, and one side of lower circuit breaker 21 bottom is equipped with stop collar 34, and lower constant head tank 36 inside is inserted and is equipped with the locating lever 35 with stop collar 34 looks adaptation.
The front mounting base 20 is provided with a plurality of threaded holes matched with the mounting plate 19.
In this embodiment, when the lower circuit breaker 21 needs to be installed, the limiting sleeves 34 on two sides of the lower circuit breaker 21 are aligned with the lower positioning grooves 36, then the positioning rods 35 are inserted into the lower positioning grooves 36 through the limiting sleeves 34, so that the lower circuit breaker 21 is limited, and then the bolts are screwed into the front mounting seats 20 through the mounting plates 19, so that the lower circuit breaker 21 and the front mounting seats 20 are fixedly connected.
Further, the limiting component is used for rotating the driving disc 26 in the fixed box 1, one end of the driving disc 26 is fixedly connected with the driving rod 2, a ratchet 27 is arranged on the surface of the driving disc 26, a driving rod 30 is fixedly arranged on an output shaft of the driving motor 32, and a driving belt 31 used for driving is arranged between the driving rod 30 and the driving disc 26.
The rotary switch 4 and the fixed disk 6 are respectively provided with an inductor for controlling the driving motor 32, and when the movable pointer on the rotary switch 4 or the fixed disk 6 rotates to a designated position, the driving motor 32 can be started and stopped.
In this embodiment, by setting the driving belt 31, when the rotary switch 4 is twisted, the rotary switch 4 drives the limiting plate 29 to unidirectionally limit the ratchet 27, and then the driving motor 32 drives the driving rod 30 to rotate, so that the driving rod 30 drives the driving disc 26 to rotate through the driving belt 31, and the driving disc 26 drives the driving rod 2 to rotate, thereby cooperating with the energy storage assembly to store energy.
Further, a rotary switch 4 is arranged in the fixed box 1 and used for rotating, an upper gear 28 is fixedly arranged on the surface of the rotary switch 4, a limiting plate 29 is arranged in the fixed box 1 and used for sliding, and a tooth slot meshed with the upper gear 28 is arranged on one side of the limiting plate 29.
In this embodiment, when the rotary switch 4 is twisted to start energy storage, the rotary switch 4 rotates forward to enable the upper gear 28 to be meshed with the tooth slot, the limiting plate 29 moves downwards to limit the limiting pawl, so that the driving disc 26 only rotates forward, then the driving disc 26 is driven to rotate by the driving rod 2, and the driving rod 2 pulls the traction rope 13 to move by the connecting rod 9 and the connecting disc 12, so that the energy storage spring 17 is unfolded and simultaneously energy storage is performed.
Further, a limit pawl is arranged on the fixed box 1 and positioned on one side of the transmission disc 26, the front end of the rotary switch 4 rotatably extends to the outside of the fixed box 1, and a rotary button is arranged at one end of the rotary switch 4 positioned outside the fixed box 1.
In this embodiment, when the energy storage is completed and needs to be released, the rotary switch 4 is twisted reversely, so that the upper gear 28 drives the limiting plate 29 to move upwards and release the limit of the limiting pawl, and then the energy storage spring 17 contracts, and the traction rope 13 is pulled to drive the transmission rod 2 to rotate reversely, so that the movable pointer is reset.
The working principle and the using flow of the invention are as follows: when the invention is installed, when energy storage is needed, the switch 4 is rotated positively, the switch 4 is meshed with a tooth slot on the limiting plate 29 through the upper gear 28, then the limiting plate 29 moves downwards, after the limiting plate 29 limits the limiting pawl, the driving motor 32 starts the driving rod 30 to rotate positively, the driving belt 31 drives the driving plate 26 to rotate positively, then the driving plate 26 drives the driving rod 2 to rotate positively, the driving chain drives the rotating gear 7 and the movable pointer on the fixed plate 6 to rotate positively, meanwhile, the connecting rod 9 moves, the connecting rod 9 pulls the traction rope 13 through the connecting disc 12 to move, the movable plate 14 drives the energy storage spring 17 to expand for energy storage, when the movable pointer rotates positively to a designated position, the driving motor 32 is powered off through the breaker component, when the energy storage is needed to be released, the limiting plate 29 releases the limiting of the limiting pawl, the energy storage spring 17 resets, the movable pointer is reset by pulling the driving rod 2 through the traction rope 13 to rotate reversely, and the movable pointer resets through the driving chain.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (10)

1. The utility model provides a handcart drive assembly for high voltage circuit breaker which characterized in that: the automatic transmission device comprises a fixed box (1), a transmission rod (2) arranged on the fixed box (1) and used for rotating, an upper rotating disc (3) arranged on the transmission rod (2) and used for transmitting, a rotating gear (7) arranged on the fixed box (1) and positioned on one side of the transmission rod (2) and used for rotating, and a transmission chain arranged on the rotating gear (7) and used for matching the upper rotating disc (3);
the surface of the upper rotating disc (3) is provided with a connecting rod (9) for rotating, one end of the connecting rod (9) is provided with a connecting disc (12) for traction, the surface of the connecting disc (12) is fixedly provided with a traction rope (13), and the limiting shaft (8) is arranged on the fixed box (1) and positioned at one side of the transmission rod (2) for limiting;
the energy storage assembly is arranged on the fixed box (1) and matched with the upper rotating disc (3), the energy storage assembly comprises a lower rotating disc (10) fixedly installed on the fixed box (1), a fixed plate (11) arranged on the lower rotating disc (10) in a rotating mode, the other end of the fixed plate (11) is fixedly connected with the surface of the fixed box (1), a rotating sleeve is sleeved on the surface of the lower rotating disc (10), a supporting plate (18) used for supporting is arranged on the fixed box (1), a moving plate (14) used for sliding is arranged on the fixed box (1), an energy storage spring (17) is transversely arranged between the moving plate (14) and the supporting plate (18) in a telescopic mode, and a traction rope (13) is fixedly connected with the moving plate (14) around the rotating sleeve on the surface of the lower rotating disc (10).
The limiting component is arranged in the fixed box (1) and matched with the upper rotating disc (3) for use; a driving motor (32) which is arranged in the fixed box (1) and is matched with the limiting component for use;
the front mounting seat (20) is arranged on the fixed box (1), and the front mounting seat (20) is provided with a circuit breaker assembly.
2. A handcart transmission assembly for a high voltage circuit breaker as claimed in claim 1 wherein: the connecting plate (5) is arranged on the transmission rod (2), one side of the connecting plate (5) is fixedly provided with a fixed disc (6), and the back of the fixed disc (6) is provided with a rotating shaft.
3. A handcart transmission assembly for a high voltage circuit breaker as claimed in claim 2 wherein: the rotary shaft on the back of the fixed disc (6) is provided with a gear matched with the transmission chain, the front of the fixed disc (6) is provided with a rotary pointer matched with the rotary shaft, and the front of the fixed disc (6) is fixedly provided with a fixed pointer.
4. A handcart transmission assembly for a high voltage circuit breaker as claimed in claim 1 wherein: one side of the supporting plate (18) is fixedly provided with a shrinkage rod (16), one side of the moving plate (14) is fixedly provided with a shrinkage cylinder (15), and one end of the shrinkage cylinder (15) is provided with a through hole matched with the shrinkage rod (16).
5. A handcart transmission assembly for a high voltage circuit breaker as claimed in claim 1 wherein: the circuit breaker assembly comprises an upper circuit breaker (22) which is detachably arranged on the front mounting seat (20), a rear mounting seat (24) which is arranged on the fixed box (1) and positioned on one side of the front mounting seat (20), and a lower circuit breaker (21) which is arranged on the front mounting seat (20) and positioned at the bottom of the upper circuit breaker (22).
6. The cart transmission assembly for a high voltage circuit breaker of claim 5, wherein: the mounting device is characterized in that the mounting device is provided with a mounting strip (25) used for mounting on the rear mounting seat (24), a connector (37) is arranged on the mounting strip (25), a connecting block (23) used by the mounting strip (25) is matched with the back of the connector (37), a plurality of upper positioning grooves (39) are formed in the surface of the mounting strip (25) along the length direction of the rear mounting seat (24) at intervals, a fixing bolt (38) is connected with the surface of the rear mounting seat (24) in a threaded mode, and a threaded hole matched with the fixing bolt (38) is formed in the fixing box (1).
7. The cart transmission assembly for a high voltage circuit breaker of claim 6, wherein: locate preceding mount pad (20) bottom is used for supporting installation base (33), a plurality of lower constant head tank (36) have been seted up to the upper surface of installation base (33), the both sides of lower circuit breaker (21) are equipped with mounting panel (19) that a plurality of are used for the bolt to install, one side of lower circuit breaker (21) bottom is equipped with stop collar (34), lower constant head tank (36) inside insert with locating lever (35) of stop collar (34) looks adaptation.
8. A handcart transmission assembly for a high voltage circuit breaker as claimed in claim 1 wherein: the limiting assembly comprises a driving disc (26) which is arranged in the fixed box (1) and is used for rotating, one end of the driving disc (26) is fixedly connected with the driving rod (2), a ratchet wheel (27) is arranged on the surface of the driving disc (26), a driving rod (30) is fixedly arranged on an output shaft of the driving motor (32), and a driving belt (31) used for driving is arranged between the driving rod (30) and the driving disc (26).
9. The cart transmission assembly for a high voltage circuit breaker of claim 8, wherein: the rotary switch (4) is arranged in the fixed box (1) and used for rotating, an upper gear (28) is fixedly arranged on the surface of the rotary switch (4), a limiting plate (29) is arranged in the fixed box (1) and used for sliding, and a tooth slot meshed with the upper gear (28) is arranged on one side of the limiting plate (29).
10. The cart transmission assembly for a high voltage circuit breaker according to claim 9, wherein: the fixed box (1) is provided with a limit pawl on one side of the transmission disc (26), the front end of the rotary switch (4) rotatably extends to the outside of the fixed box (1), and one end of the rotary switch (4) outside the fixed box (1) is provided with a rotary button.
CN202310611960.0A 2023-05-29 2023-05-29 Handcart transmission assembly for high-voltage circuit breaker Pending CN116632706A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310611960.0A CN116632706A (en) 2023-05-29 2023-05-29 Handcart transmission assembly for high-voltage circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310611960.0A CN116632706A (en) 2023-05-29 2023-05-29 Handcart transmission assembly for high-voltage circuit breaker

Publications (1)

Publication Number Publication Date
CN116632706A true CN116632706A (en) 2023-08-22

Family

ID=87591586

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310611960.0A Pending CN116632706A (en) 2023-05-29 2023-05-29 Handcart transmission assembly for high-voltage circuit breaker

Country Status (1)

Country Link
CN (1) CN116632706A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12027830B2 (en) * 2021-02-25 2024-07-02 Jst Power Equipment, Inc. Switchgear system having chain driven circuit breaker and associated methods

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12027830B2 (en) * 2021-02-25 2024-07-02 Jst Power Equipment, Inc. Switchgear system having chain driven circuit breaker and associated methods

Similar Documents

Publication Publication Date Title
CN107732737B (en) Multifunctional maintenance vehicle for handcart type circuit breaker of centrally installed switchgear
CN116632706A (en) Handcart transmission assembly for high-voltage circuit breaker
CN113782397B (en) Control device of high-voltage switch
CN107720456B (en) Anti-rewinding wire winder for power grid
CN114914801B (en) High-low voltage switch cabinet safe to operate
CN216216200U (en) Safe type motor guard shield
CN111017794B (en) Maintenance operation vehicle for off-line prevention switch equipment
CN212323544U (en) Handcart traction device of high-voltage switch cabinet
CN209896568U (en) High-voltage power distribution cabinet
CN112576016B (en) Auxiliary erecting equipment for installation of light partition wall
CN212012079U (en) Three-phase transmission ice melting device
CN212849507U (en) Switch cabinet with movable base
CN212343046U (en) Cubical switchboard safety device
CN220283434U (en) Switching-on and switching-off mechanism of isolating switch of mining winch
CN220976129U (en) High-voltage power cable reel braking device
CN217168326U (en) Insulating sleeve for maintaining low-voltage power equipment
CN219738840U (en) Novel circuit breaker for new energy power generation
CN211521415U (en) Manual-automatic integrated hoisting driving mechanism
CN221042137U (en) Low-voltage fixed switch cabinet capable of preventing misoperation
CN111697471B (en) Automatic air switch device of changing of electric shock prevention
CN117559254B (en) High-voltage power distribution control system
CN221177017U (en) Switch cabinet convenient to maintain
CN220870736U (en) Emergency lighting lamp
CN214706683U (en) Case assembly of switch cabinet
CN210273289U (en) PT arrester handcart

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination