CN218661952U

CN218661952U - Novel transfer trolley for vacuum circuit breaker for production line

Info

Publication number: CN218661952U
Application number: CN202223212376.8U
Authority: CN
Inventors: 周斌; 张乐
Original assignee: Siebel Electric Co ltd
Current assignee: Siebel Electric Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-03-21
Anticipated expiration: 2032-12-01

Abstract

The utility model relates to a novel transfer trolley of a vacuum circuit breaker for a production line, which is provided with a movable frame; be equipped with transport mechanism on the moving frame, transport mechanism includes the gyro wheel frame, a plurality of roller bearings, and rotating assembly, rotating assembly is including rotating lower commentaries on classics piece and the last piece of connecting, lower piece is fixed on moving frame, go up to change to fix on the piece on the gyro wheel frame, it sets up relatively and can carry out spacing subassembly to the vacuum circuit breaker on the gyro wheel frame to go up to be equipped with on the piece, spacing subassembly is including fixing base and the rubber cushion piece on last commentaries on classics piece, rotate the connecting block that sets up on the base, and fix the rubber cushion piece on the connecting block, the rotation axis of connecting block sets up with the axis of roller bearing is perpendicular, lean on before each connecting block rotates and press on the rubber cushion piece, lean on after the connecting block rotation of relative setting and press on the base and carry on spacingly to vacuum circuit breaker. The utility model discloses the structure is ingenious, can realize vacuum circuit breaker's stable convenient transportation, convenient practicality.

Description

Novel transfer trolley for vacuum circuit breaker for production line

Technical Field

The utility model relates to a vacuum circuit breaker transportation field, in particular to produce new-type transfer car (buggy) of vacuum circuit breaker for line.

Background

The vacuum circuit breaker is named because the arc extinguishing medium and the insulating medium of the contact gap after arc extinguishing are both high vacuum; the arc extinguishing device has the advantages of small volume, light weight, suitability for frequent operation and no need of maintenance for arc extinguishing, and is relatively popularized in power distribution networks. The vacuum circuit breaker is an indoor power distribution device in a 3-10kV, 50Hz three-phase alternating-current system, can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and transformer substations, is particularly suitable for use places requiring no oil, less maintenance and frequent operation, and can be arranged in a middle cabinet, a double-layer cabinet and a fixed cabinet to be used for controlling and protecting high-voltage electrical equipment.

In the prior art, vacuum circuit breakers are generally on a flow production line, and are assembled and detected step by step through one process, finished products are formed, the existing production line is conveyed to each station through a conveying device to be installed and detected, but operators are required to transfer between the conveying device and each station through a carrying mode, the mode not only consumes manpower greatly, but also easily causes abrasion or other damages to the vacuum circuit breakers in the transferring process, and the vacuum circuit breakers are quite inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a produce new-type transfer car (buggy) of line vacuum circuit breaker, the structure is ingenious, when can stablize the transportation, also be convenient for operating personnel to vacuum circuit breaker's quick and safe transfer, high-efficient practical.

Realize the utility model discloses the technical scheme of purpose is: the utility model is provided with a movable frame; be equipped with the transport mechanism that can transport vacuum circuit breaker on the moving frame, transport mechanism is including the gyro wheel frame that can supply vacuum circuit breaker feeding and place, a plurality of parallel arrangement roller bearing on the gyro wheel frame and fix on the moving frame and can drive gyro wheel frame pivoted rotating assembly, rotating assembly is including rotating the lower commentaries on classics piece of connecting and last piece, and lower piece is fixed on the moving frame, fixes on the gyro wheel frame on going up the commentaries on classics piece, is equipped with relative setting on going up the commentaries on classics piece and can carry out spacing subassembly to vacuum circuit breaker on the gyro wheel frame, spacing subassembly is including fixing base and the rubber cushion piece on last commentaries on classics piece, rotating the connecting block that sets up on the base and fixing the rubber stopper on the connecting block, and the axis of connecting block sets up perpendicularly, and each connecting block rotates preceding by pressing on the rubber cushion piece, and the connecting block that sets up relatively leans on pressing on the base and spacing to vacuum circuit breaker after rotating.

Furthermore, a clamping groove for clamping the connecting block is formed in the base, and the connecting block rotates and is clamped into the clamping groove and then is fixedly connected with the base.

Furthermore, a middle fixing plate is fixedly arranged on the upper rotating block, an upper fixing plate which is arranged oppositely is fixedly arranged on the middle fixing plate, the upper fixing plate is fixed on the roller frame, each limiting assembly is fixed on the corresponding upper fixing plate, a lower fixing plate is fixedly arranged on the movable frame, the lower rotating block is fixed on the lower fixing plate, and a limiting device which can limit the rotation of the roller frame is arranged on the lower fixing plate.

Furthermore, the limiting device comprises a plurality of limiting blocks which are distributed on the bottom surface of the middle fixing plate along the circumference of the axis of the upper rotating block, a first connecting piece fixed on the lower fixing plate, a movable rod which is arranged on the connecting piece in a lifting mode, a spring which is sleeved on the movable rod, a second connecting piece fixed on the movable frame, a sleeve which is fixedly arranged on the second connecting piece, a pull rod which is arranged in the sleeve in a sliding mode, and a pull wire which is used for connecting the pull rod and the movable rod, wherein a limiting groove which can limit the rotation of the upper rotating block after the movable rod stretches into the limiting groove is formed in the limiting block, a through hole through which the movable rod can pass is formed in the first connecting piece, two ends of the spring are respectively connected with the first connecting piece and the movable rod, two ends of the pull wire are respectively fixedly connected with the lower end of the movable rod and the pull rod, and the pull rod controls the movable rod to stretch into the limiting groove to limit the rotation of the upper rotating block through the sliding fit with the sleeve.

Furthermore, the extending direction of the limiting groove on each limiting block is perpendicular to the axis of the upper rotating block, and the axis of the upper rotating block extends outwards along the radial direction of the upper rotating block.

Furthermore, the lower part of above-mentioned first connecting piece is equipped with the first limiting plate with first connecting piece integrated into one piece, and first limiting plate and first connecting piece form the first movable chamber that can supply the flexible activity of movable rod, are equipped with the perforation that can supply to act as go-between to pass on the limiting plate, and the one end of acting as go-between passes the back from the perforation on the limiting plate and the lower extreme fixed connection of movable rod.

Further, be equipped with the second limiting plate that the cross-section is "U" type on the above-mentioned second connecting piece, second limiting plate and second connecting piece form the second activity chamber, the pull rod including can be in the sleeve reciprocal flexible telescopic link, fix on the telescopic link and with the perpendicular holding rod that sets up of telescopic link and with telescopic link integrated into one piece and can prevent that the telescopic link from deviating from telescopic gag lever post, gag lever post and the coaxial setting of telescopic link, the gag lever post slides through telescopic link and telescopic cooperation and sets up in the second activity intracavity, also be equipped with the perforation that can supply to act as go-between on the second connecting piece, keep away from the perforation back and gag lever post fixed connection on the second connecting piece of one end of movable rod on acting as go-between.

Furthermore, a plurality of universal wheels are fixedly arranged at the bottom of the moving frame, a positioning assembly capable of being positioned by the moving frame is further arranged at the bottom of the moving frame and comprises a connecting rod fixed at the bottom of the moving frame, a positioning block fixed on the connecting rod and a positioning plate capable of being fixed on a moving path of the moving frame, a positioning groove capable of being stretched into by the positioning block is formed in the positioning plate, and the positioning block is used for positioning the moving frame through matching with the positioning groove.

Furthermore, the positioning groove is a V-shaped groove.

Furthermore, a plurality of handles are arranged on the roller carrier.

The utility model discloses has positive effect: (1) The utility model discloses a set up transport mechanism, supply smooth and easy with vacuum circuit breaker transfer and material loading of operating personnel through gyro wheel frame and a plurality of roller bearing, the cooperation of last commentaries on classics piece and lower commentaries on classics piece on the rotatory subassembly drives the gyro wheel frame and rotates the switching-over, thereby be convenient for operating personnel shifts the vacuum circuit breaker on the gyro wheel frame to the station of required processing, set up spacing subassembly on last commentaries on classics piece, vacuum circuit breaker after coming the material loading through the pivoted connecting block carries on spacingly, each rubber dog can be to the vibration that vacuum circuit breaker produced at the material transportation in-process on the one hand, on the other hand increases the friction between rubber dog and the vacuum circuit breaker through rubber dog's touching, further assurance vacuum circuit breaker is in transportation and rotation in-process safety and stability, the connecting block controls spacing and the location to vacuum circuit breaker through rotating, the rubber cushion can be spacing to the rotation of connecting block on the one hand, on the other hand also carries out shock attenuation buffering and unloads the power to the connecting block, and ingenious structure, and convenience and practicality.

(2) The utility model discloses a set up the draw-in groove on the connecting block, the effectual stability and the fastness of being connected of connecting block and base, convenient practicality of having strengthened.

(3) The utility model discloses a set up stop device on the bottom plate and come to control the rotation of upper fixed plate and gyro wheel frame, it is practical convenient.

(4) The utility model discloses a pulling pull rod drives and acts as go-between and contracts, act as go-between and drive the movable rod at the in-process of shrink and descend, make the upper end of movable rod break away from the spacing groove on the stopper on the intermediate fixed plate, then operating personnel can alright rotate the gyro wheel frame and drive vacuum circuit breaker and begin to rotate, the application of force that loosens the pull rod rethread spring after the rotation is accomplished pushes up the movable rod, can lock the gyro wheel frame again, better nature of controlling has, and rotation and locking that cooperation through movable rod and spacing groove can effectual control gyro wheel frame, high efficiency is practical.

(5) The utility model discloses a set the extending direction of spacing groove to perpendicular with the axis direction of last commentaries on classics piece, and radially outwards extend from the axis of last commentaries on classics piece along last commentaries on classics piece, stretch into the spacing groove at the movable rod after, prescribe a limit to the direction of rotation of well fixed plate, can be effectively and firm carry on spacingly, convenient practicality to the rotation of gyro wheel frame.

(6) The utility model discloses a set up first limiting plate in the below of first connecting piece to restrict the lift of movable rod below through first limiting plate, can restrict the lift of movable rod on the one hand, on the other hand has also avoided the excessive application of force to the movable rod, causes the damage of acting as go-between or movable rod, and is safe practical.

(7) The utility model discloses a set up the second limiting plate, the second activity chamber that second limiting plate and second connecting piece formed, the setting in second activity chamber can effectually restrict the formation of pull rod, sets up the gag lever post on the pull rod, can effectually avoid the pull rod to deviate from the sleeve at the in-process of pulling to stability when having guaranteed the pull rod pulling with smooth and easy, set up the holding rod simultaneously and also make things convenient for operating personnel to stimulate the pull rod, convenient practicality.

(8) The utility model discloses a set up locating component in moving frame's bottom and come to carry on spacingly to moving frame's removal, through the cooperation of locating piece and locating plate last constant head tank, effectual move the location spacing and fixed point to moving frame, can guarantee the security that moving frame removed on the one hand, on the other hand also can guarantee the precision that moving frame removed to establish the basis to processing station for the accurate removal in later stage.

(9) The utility model discloses a set the constant head tank into the V-arrangement groove, when the locating piece got into the constant head tank, can carry out slow speed reduction and then stop to the locating piece, avoid vacuum circuit breaker because instantaneous inertia bumps, safe practical.

(10) The utility model discloses a set up the handle on the gyro wheel frame, make things convenient for operating personnel to control the removal and the rotation of moving frame, convenient practicality.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which

FIG. 1 is a schematic view of the overall structure of the novel transfer trolley of the vacuum circuit breaker for the production line of the utility model;

FIG. 2 is an exploded view of the overall structure of the novel transfer trolley of the vacuum circuit breaker for the middle production line of the present invention;

fig. 3 is a schematic view of the overall structure of the middle limiting component of the present invention;

FIG. 4 is a schematic view of the overall structure of the base of the present invention;

FIG. 5 is a schematic view of the overall structure of the middle stop block of the present invention;

fig. 6 is a schematic view of the overall structure of the middle limiting device of the present invention;

fig. 7 is a top view of the whole structure of the middle positioning plate of the present invention.

Detailed Description

Referring to fig. 1 to 7, the present invention has a moving frame 1; be equipped with the transport mechanism that can transport vacuum circuit breaker on moving frame 1, transport mechanism is including supplying vacuum circuit breaker feeding and the gyro wheel frame 2 of placing, a plurality of parallel arrangement roller bearing 22 on gyro wheel frame 2 and fixing on moving frame 1 and can drive gyro wheel frame 2 pivoted rotating assembly 7, rotating assembly 7 is including rotating lower piecemeal 72 and last piecemeal 71 of connecting, and lower piecemeal 72 is fixed on moving frame 1, fixes on gyro wheel frame 2 on last piecemeal 71, is equipped with relative setting on last piecemeal 71 and can carry out spacing subassembly 5 to the vacuum circuit breaker on gyro wheel frame 2, spacing subassembly 5 is including fixing base 51 and the rubber cushion block 54 on last piecemeal 71, rotates connecting block 52 that sets up on base 51 and fix the rubber block 53 on connecting block 52, and the rotation axis of connecting block 52 sets up with the axis of roller bearing 22 perpendicularly, and each connecting block 52 rotates preceding by pressing on rubber cushion 54, and the connecting block 52 that sets up relatively leans on pressing on base 51 and carry out spacing to vacuum circuit breaker after rotating.

The base 51 is provided with a clamping groove 511 into which the connecting block 52 can be clamped, and the connecting block 52 rotates and is clamped into the clamping groove 511 and then is fixedly connected with the base 51.

The upper rotating block 71 is fixedly provided with a middle fixing plate 3, the middle fixing plate 3 is fixedly provided with an upper fixing plate 4 which is arranged oppositely, the upper fixing plate 4 is fixed on the roller frame 2, each limiting component 5 is fixed on the corresponding upper fixing plate 4, the movable frame 1 is fixedly provided with a lower fixing plate 6, the lower rotating block 72 is fixed on the lower fixing plate 6, and the lower fixing plate 6 is provided with a limiting device 8 which can limit the rotation of the roller frame 2.

The limiting device 8 comprises a plurality of limiting blocks 31 distributed on the bottom surface of the middle fixing plate 3 along the circumference of the axis of the upper rotating block 71, a first connecting piece 81 fixed on the lower fixing plate 6, a movable rod 82 arranged on the connecting piece in a lifting manner, a spring 83 sleeved on the movable rod 82, a second connecting piece 85 fixed on the movable frame 1, a sleeve 89 fixedly arranged on the second connecting piece 85, a pull rod 86 arranged in the sleeve 89 in a sliding manner, and a pull wire 84 connecting the pull rod 86 and the movable rod 82, wherein a limiting groove 311 capable of limiting the rotation of the upper rotating block 71 after the movable rod 82 extends into the limiting groove is arranged on the limiting block 31, a through hole for the movable rod 82 to pass through is arranged on the first connecting piece 81, two ends of the spring 83 are respectively connected with the first connecting piece 81 and the movable rod 82, two ends of the pull wire 84 are respectively fixedly connected with the lower end of the movable rod 82 and the pull rod 86, and the pull rod 86 controls the movable rod 82 to extend into the limiting groove 311 to limit the rotation of the upper rotating block 71 through the sliding fit with the sleeve 89.

Both ends of each stopper 31 are provided with guide slopes 312 capable of guiding the movable rod 82 into the stopper grooves 311.

The extending direction of the limiting groove 311 on each limiting block 31 is perpendicular to the axis of the upper rotary block 71, and extends outwards from the axis of the upper rotary block 71 in the radial direction of the upper rotary block 71.

The lower part of first connecting piece 81 is equipped with the first limiting plate 87 with first connecting piece 81 integrated into one piece, and first limiting plate 87 forms the first activity chamber that can supply the flexible activity of movable rod 82 with first connecting piece 81, is equipped with the perforation that can supply stay wire 84 to pass on the limiting plate, and the lower extreme fixed connection of the perforation on the limiting plate on the one end of stay wire 84 and movable rod 82 after passing.

Be equipped with the second limiting plate 88 that the cross-section is "U" type on the second connecting piece 85, second limiting plate 88 forms the second activity chamber with second connecting piece 85, pull rod 86 including can be in sleeve 89 reciprocal telescopic link 861, fix on telescopic link 861 and with the perpendicular holding rod 862 that sets up of telescopic link 861 and with telescopic link 861 integrated into one piece and can prevent that telescopic link 861 from deviating from the gag lever post 863 of sleeve 89, gag lever post 863 and the coaxial setting of telescopic link 861, gag lever post 863 slide the setting in the second activity intracavity through telescopic link 861 and sleeve 89's cooperation, also be equipped with the perforation that can supply the acting as go-between 84 on the second connecting piece 85, keep away from the one end of movable rod 82 on the acting as go-between 84 and the gag lever post 863 fixed connection after the perforation on the second connecting piece 85.

The fixed a plurality of universal wheels 11 that are equipped with in bottom of moving frame 1, the bottom of moving frame 1 still is equipped with the locating component that can supply moving frame 1 location, locating component is including fixing at the connecting rod 13 of moving frame 1 bottom, fixing locating piece 12 on connecting rod 13 and can fix locating plate 9 on moving path of moving frame 1, be equipped with the constant head tank 91 that can supply locating piece 12 to stretch into on locating plate 9, locating piece 12 fixes a position moving frame 1 through the cooperation with constant head tank 91.

The positioning groove 91 is a V-shaped groove.

A plurality of handles 21 are arranged on the roller frame 2.

The utility model discloses a theory of operation: in the using process of the utility model, an operator can firstly move the movable frame 1 to a station to receive a vacuum circuit breaker or receive a vacuum circuit breaker from an initial position, then rotate the connecting blocks 52 on the two limiting assemblies 5 into the clamping grooves 511 on the clamping base 51, and then the upper ends of the connecting blocks 52 clamped into the clamping grooves 511 are higher than the roller 22, so that the vacuum circuit breaker can be fixed on the roller frame 2, the vacuum circuit breaker is fixed on the roller frame 2, after the connection, the operator pulls the pull rod 86 and drives the movable rod 82 to descend, the operator controls the handle 21 to drive the roller frame 2 to start rotating, after rotating to a proper angle, the pull rod 86 is released, the pull rope and the movable rod 82 reset through the continuous force application of the spring 83, the pull rod 86 also resets, after the resetting, the operator pushes the movable frame 1 to the next station through the handle 21, then the positioning frame is fixed by matching the positioning block 12 with the positioning groove 91 on the positioning plate 9, then the pull rod 86 is pulled to separate the movable rod 82 from the limiting groove 311, then the roller frame 2 is rotated to ensure that the sliding path of the vacuum circuit breaker is attached to the path on the station, then the connecting block 52 on the limiting component 5 close to the station is rotated to be lower than the roller 22, then the vacuum circuit breaker can be pushed to the station by an operator for processing or detection, after the vacuum circuit breaker leaves the roller frame 2, the operator can repeat the action process of ascending and transferring for the next vacuum circuit breaker, the problem of abrasion or damage of the vacuum circuit breaker caused by manual carrying or transferring in some laborious ways in the prior art is effectively solved, the labor is saved, and the transferring efficiency is greatly improved, high efficiency and practicality.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The production line uses the new transfer car of vacuum circuit breaker, have moving frames; the method is characterized in that: be equipped with the transport mechanism that can transport vacuum circuit breaker on the moving frame, transport mechanism is including the gyro wheel frame that can supply vacuum circuit breaker feeding and place, a plurality of parallel arrangement roller bearing on the gyro wheel frame and fix on the moving frame and can drive gyro wheel frame pivoted rotating assembly, rotating assembly is including rotating the lower commentaries on classics piece of connecting and last piece, and lower piece is fixed on the moving frame, fixes on the gyro wheel frame on going up the commentaries on classics piece, is equipped with relative setting on going up the commentaries on classics piece and can carry out spacing subassembly to vacuum circuit breaker on the gyro wheel frame, spacing subassembly is including fixing base and the rubber cushion piece on last commentaries on classics piece, rotating the connecting block that sets up on the base and fixing the rubber stopper on the connecting block, and the axis of connecting block sets up perpendicularly, and each connecting block rotates preceding by pressing on the rubber cushion piece, and the connecting block that sets up relatively leans on pressing on the base and spacing to vacuum circuit breaker after rotating.

2. The new transfer trolley of vacuum circuit breaker for production line as claimed in claim 1, characterized in that: the base is provided with a clamping groove for clamping the connecting block, and the connecting block rotates and is clamped into the clamping groove and then fixedly connected with the base.

3. The new transfer trolley of vacuum circuit breaker for production line as claimed in claim 1, characterized in that: the upper rotating block is fixedly provided with a middle fixing plate, the middle fixing plate is fixedly provided with an upper fixing plate which is arranged oppositely, the upper fixing plate is fixed on the roller frame, each limiting assembly is fixed on the corresponding upper fixing plate, the moving frame is fixedly provided with a lower fixing plate, the lower rotating block is fixed on the lower fixing plate, and the lower fixing plate is provided with a limiting device which can limit the rotation of the roller frame.

4. The new transfer trolley of vacuum circuit breaker for production line as claimed in claim 3, characterized in that: stop device includes that a plurality of axis circumference along last commentaries on classics piece distribute stopper, the first connecting piece of fixing on the bottom plate of well fixed plate, go up and down to set up movable rod on the connecting piece, cover and establish the spring on the movable rod, fix the second connecting piece on moving frame, the fixed sleeve that sets up on the second connecting piece, slide the pull rod that sets up in the sleeve and connect pull rod and movable rod and act as go-between, be equipped with on the stopper and restrict last commentaries on classics piece pivoted spacing groove after the movable rod stretches into, be equipped with the through-hole that can supply the movable rod to pass on the first connecting piece, the both ends of spring are connected with first connecting piece and movable rod respectively, act as go-between both ends respectively with the lower extreme and the pull rod fixed connection of movable rod, the pull rod through with telescopic sliding fit control movable rod stretch into the spacing inslot and carry on spacingly to the rotation of last commentaries on classics piece.

5. The novel transfer trolley for vacuum circuit breakers for production lines as claimed in claim 4, wherein: the extending direction of the limiting groove on each limiting block is perpendicular to the axis of the upper rotating block, and the axis of the upper rotating block extends outwards along the radial direction of the upper rotating block.

6. The novel transfer trolley for vacuum circuit breakers for production lines as claimed in claim 4, wherein: the lower part of first connecting piece is equipped with the first limiting plate with first connecting piece integrated into one piece, and first limiting plate and first connecting piece form the first movable chamber that can supply the flexible activity of movable rod, are equipped with the perforation that can supply the acting as go-between to pass on the limiting plate, and the one end of acting as go-between passes the back and the lower extreme fixed connection of movable rod from the perforation on the limiting plate.

7. The new transfer trolley of vacuum circuit breaker for production line as claimed in claim 4, characterized in that: be equipped with the second limiting plate that the cross-section is "U" type on the second connecting piece, second limiting plate and second connecting piece form the second activity chamber, the pull rod including can be in the sleeve reciprocal flexible telescopic link, fix on the telescopic link and with the perpendicular holding rod that sets up of telescopic link and with telescopic link integrated into one piece and can prevent that the telescopic link from deviating from telescopic gag lever post, gag lever post and the coaxial setting of telescopic link, the gag lever post passes through the telescopic link and slides the setting in the second activity intracavity with telescopic cooperation, also be equipped with the perforation that can supply to act as go-between to pass on the second connecting piece, the one end of keeping away from the movable rod on the acting as go-between passes behind the perforation on the second connecting piece and gag lever post fixed connection.

8. The new transfer trolley of vacuum circuit breaker for production line as claimed in claim 1, characterized in that: the bottom of moving frame is fixed and is equipped with a plurality of universal wheels, moving frame's bottom still is equipped with the locating component that can supply moving frame location, locating component is including fixing the connecting rod in moving frame bottom, fixing the locating piece on the connecting rod and can fixing the locating plate on moving frame's removal route, be equipped with the constant head tank that can supply the locating piece to stretch into on the locating plate, the locating piece is fixed a position moving frame through the cooperation with the constant head tank.

9. The new transfer trolley of vacuum circuit breaker for production line as claimed in claim 8, characterized in that: the positioning groove is a V-shaped groove.

10. The new transfer trolley of vacuum circuit breaker for production line as claimed in claim 1, characterized in that: and a plurality of handles are arranged on the roller carrier.