CN219458481U

CN219458481U - Power assisting device for circuit breaker trolley

Info

Publication number: CN219458481U
Application number: CN202320224814.8U
Authority: CN
Inventors: 袁海华
Original assignee: Lengshuijiang Bloomer Environmental Protection Energy Co ltd
Current assignee: Lengshuijiang Bloomer Environmental Protection Energy Co ltd
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2023-08-01
Anticipated expiration: 2033-02-15

Abstract

The utility model discloses a power assisting device of a breaker trolley, which comprises: a carrier; the guide rails are arranged at intervals along the width direction of the guide rails and are paved on the supporting body; the trolley body is provided with a roller matched with the guide rail at the bottom, a vertical plate is arranged, and the vertical plate is provided with an opening groove with an upward opening; the telescopic driving mechanism is provided with a telescopic rod which can extend and retract along the length direction of the guide rail, the outer end of the telescopic rod is connected with a sleeve rod, the outer end of the sleeve rod is detachably connected with a limit head, and the middle part of the sleeve rod is embedded into the open slot; the two pressure springs are sleeved on the loop bar and are respectively positioned at two sides of the vertical plate. According to the utility model, the telescopic driving mechanism drives the trolley body to move, so that the manual pushing is avoided, and the labor intensity is reduced; the two pressure springs play a role in elastically buffering the reciprocating motion of the trolley body, rigid contact is avoided, and the pressure springs realize force transmission through the shaft shoulder, the vertical plate and the limiting head; the design of the open slot is also convenient for the installation and the disassembly of the loop bar.

Description

Power assisting device for circuit breaker trolley

Technical Field

The utility model relates to the technical field of breaker equipment, in particular to a power assisting device of a breaker trolley.

Background

When the high-voltage switch cabinet is used, the breaker of the high-voltage switch cabinet needs to be pushed in or pulled out, the trolley is often used for carrying the breaker for pushing, and the trolley is often pushed by manpower, so that the high-voltage switch cabinet is inconvenient.

Therefore, the driving mechanism can be used for driving the trolley to push and pull, but the driving mechanism pushes the trolley, so that larger collision is generated when the breaker is in contact with the high-voltage switch cabinet, and the contact position is damaged.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the circuit breaker trolley power assisting device which can automatically push and pull the trolley body and has a buffer structure, so that rigid contact is reduced.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a circuit breaker trolley assist apparatus comprising: a carrier; the guide rails are arranged at intervals along the width direction of the guide rails and are laid on the supporting body; the trolley body is provided with a roller matched with the guide rail at the bottom and a vertical plate, and the vertical plate is provided with an opening groove with an upward opening; the telescopic driving mechanism is provided with a telescopic rod which can extend and retract along the length direction of the guide rail, the outer end of the telescopic rod is connected with a sleeve rod, the diameter of the sleeve rod is smaller than that of the telescopic rod so as to form a shaft shoulder at the joint of the telescopic rod and the sleeve rod, the outer end of the sleeve rod is detachably connected with a limit head, and the middle part of the sleeve rod is embedded into the open slot; the two pressure springs are sleeved on the loop bar and are respectively positioned at two sides of the vertical plate; one end of the pressure spring is propped against the shaft shoulder, the other end of the pressure spring is propped against the vertical plate, one end of the other pressure spring is propped against the vertical plate, and the other end of the pressure spring is propped against the limiting head.

Further, the loop bar is provided with two circular rings in a sliding sleeve mode, the two circular rings are respectively located on two sides of the vertical plate, and the circular rings are located between the pressure springs and the vertical plates on the corresponding sides and used for transmitting acting force of the pressure springs to the vertical plates.

Further, a spacer is arranged on the peripheral wall of the middle part of the loop bar so as to separate the two circular rings, so that the distance between the two circular rings is larger than or equal to the thickness of the vertical plate.

Further, avoidance grooves through which the spacer blocks can pass are formed in the inner rings of the two circular rings, which are close to the telescopic rods.

Further, the outer end of the loop bar is provided with a threaded shaft, and the limit head is a nut which is connected with the threaded shaft in a threaded manner.

Further, the trolley body is provided with a downward extending sinking plate, the bottom of the sinking plate horizontally extends towards the telescopic driving mechanism to form a horizontal plate, and the vertical plate is connected to one end of the horizontal plate towards the telescopic driving mechanism.

Further, the horizontal plate is provided with a jack, the supporting body is provided with a limiting hole below the movable path of the jack, and the jack can move to be aligned with the limiting hole and insert the locating pin.

Further, the horizontal plate is provided with an insertion barrel for temporarily placing the positioning pin.

Further, a rib plate is connected between the vertical plate and the horizontal plate.

Further, the trolley body comprises a plurality of cross bars extending along the width direction of the guide rail, and a yielding groove is formed in the bottom of the cross bars above the telescopic driving mechanism and the loop bar.

The utility model has the following beneficial effects:

the trolley body is driven to move through the telescopic driving mechanism, so that manual pushing is avoided, and the labor intensity is reduced; the two pressure springs play a role in elastically buffering the reciprocating motion of the trolley body, rigid contact is avoided, and the pressure springs realize force transmission through the shaft shoulder, the vertical plate and the limiting head; the design of the open slot is also convenient for the installation and the disassembly of the loop bar.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is an enlarged view at A of FIG. 1;

FIG. 3 is a schematic view of the exploded view of FIG. 1;

FIG. 4 is an enlarged view at B of FIG. 3;

fig. 5 is a partial cross-sectional view of the loop bar of the present utility model.

Legend description:

a carrier 100, a limiting aperture 110;

a guide rail 200;

the trolley body 300, the roller 310, the vertical plate 320, the open slot 321, the horizontal plate 330, the jack 331, the plug tube 332, the sinking plate 340, the cross bar 350 and the abdication slot 351;

the telescopic driving mechanism 400, the telescopic rod 410, the shaft shoulder 411, the loop bar 420, the spacer 421, the threaded shaft 422 and the limiting head 430;

a compression spring 500;

the ring 600, the avoidance groove 610;

locating pin 700.

Detailed Description

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 utility model.

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1 to 5, a power assisting device for a breaker trolley according to a preferred embodiment of the present utility model includes a carrier 100, a guide rail 200, a trolley body 300, a telescopic driving mechanism 400 and a compression spring 500.

The carrier 100 may be a concrete floor or a metal plate. The guide rail 200 is arranged at intervals along the width direction thereof and is laid on the carrier 100; the trolley body 300 bottom is equipped with the gyro wheel 310 with the guide rail 200 adaptation, and specifically, guide rail 200 is equipped with two in parallel, and trolley body 300 bottom four corners is equipped with gyro wheel 310, and gyro wheel 310 perisporium is equipped with the guide way for guide rail 200 upper end embedding to realize the stable direction of trolley body 300 motion. The trolley body 300 is provided with a vertical plate 320, and the vertical plate 320 is provided with an opening groove 321 with an upward opening; the telescopic driving mechanism 400 is arranged on the supporting body 100, the telescopic driving mechanism 400 is provided with a telescopic rod 410 which can extend and retract along the length direction of the guide rail 200, the outer end of the telescopic rod 410 is connected with a sleeve rod 420, the diameter of the sleeve rod 420 is smaller than that of the telescopic rod 410 so as to form a shaft shoulder 411 at the joint of the telescopic rod 410, the outer end of the sleeve rod 420 is detachably connected with a limiting head 430, the middle part of the sleeve rod 420 is embedded into an open slot 321, and the sleeve rod 420 is detached from the open slot 321 only by lifting upwards during detachment; the two compression springs 500 are sleeved on the loop bar 420, and the two compression springs 500 are respectively positioned at two sides of the vertical plate 320; one end of one compression spring 500 is propped against the shaft shoulder 411, and the other end is propped against the vertical plate 320, so that the two ends of the compression spring 500 are propped against each other; one end of the other pressure spring 500 is propped against the vertical plate 320, and the other end is propped against the limiting head 430, so that the pressure springs 500 are propped against, the mounting limiting of the two pressure springs 500 is realized, and the elastic buffering of the reciprocating motion in two directions is realized.

According to the circuit breaker trolley power assisting device, the trolley body 300 is driven to move through the telescopic driving mechanism 400, so that manual pushing is avoided, and the labor intensity is reduced; the two compression springs 500 play a role in elastically buffering the reciprocating motion of the trolley body 300, rigid contact is avoided, and the compression springs 500 realize force transmission through the shaft shoulder 411, the vertical plate 320 and the limiting head 430; the design of the open slot 321 also facilitates the installation and removal of the loop bar 420.

If the compression spring 500 is in direct contact with the vertical plate 320, the end of the compression spring 500 may be partially inserted into the open slot 321, resulting in unstable form of the compression spring 500, and thus, in some embodiments of the present utility model, the sleeve 420 is slidably sleeved with two rings 600, the two rings 600 are respectively located at two sides of the vertical plate 320, the rings 600 are located between the compression spring 500 and the vertical plate 320 at the corresponding sides, for transmitting the force of the compression spring 500 to the vertical plate 320, specifically, the diameter of the rings 600 is greater than the width of the open slot 321, the inner hole of the rings 600 is adapted to the sleeve 420, the rings 600 have a complete annular surface in contact with the compression spring 500, and thus, the compression spring 500 can be stably compressed, and thus, the compression spring 500 provides stable elastic force.

Referring to fig. 2 and 4, in a further embodiment of the present utility model, a spacer 421 is provided on a central circumferential wall of the stem 420 to separate the two rings 600, so that a distance between the two rings 600 is greater than or equal to a thickness of the riser 320, and thus, when the installation is convenient, the two rings 600 are not too small in distance due to the compression spring 500, and it is difficult for the riser 320 to be embedded; during installation, the distance between the two circular rings 600 is larger than or equal to the thickness of the vertical plate 320, so that when the sleeve rod 420 is assembled with the vertical plate 320 with the two circular rings 600 downwards, the vertical plate 320 can be easily embedded into the middle of the two circular rings 600, structural interference during assembly is reduced, and assembly difficulty is reduced.

Referring to fig. 4, in a further embodiment of the present utility model, the inner ring of the ring 600 close to the telescopic rod 410 is provided with a avoidance groove 610 through which the spacer 421 can pass, so that when the ring 600 is installed, the inner ring 600 can pass over the spacer 421, in addition, the width of the avoidance groove 610 is adapted to the width of the spacer 421, after the inner ring 600 passes through the spacer 421, the avoidance groove 610 is only required to be staggered with the spacer 421, so that the inner ring 600 can be abutted against the spacer 421, limiting is realized, and when the ring 600 is installed conveniently, the distance between the rings 600 can be maintained.

Referring to fig. 4, in some embodiments of the present utility model, a threaded shaft 422 is provided at an outer end of the sleeve rod 420, a limiting head 430 is a nut screwed on the threaded shaft 422, and an outer circumferential contour of the nut is larger than a diameter of the compression spring 500, so that limiting of the compression spring 500 is achieved, and detachable connection of the limiting head 430 facilitates disassembly, assembly and replacement of parts.

Referring to fig. 4, in some embodiments of the present utility model, the trolley body 300 is provided with a downward extending sinking plate 340, a horizontal plate 330 horizontally extends from the bottom of the sinking plate 340 toward the telescopic driving mechanism 400, and a vertical plate 320 is connected to one end of the horizontal plate 330 toward the telescopic driving mechanism 400, and is disposed through the horizontal plate 330, so that the loop bar 420 has a certain telescopic activity space, and the sinking plate 340 is disposed, so that the overall structure is disposed under, and the flatness of the upper end of the trolley body 300 is not affected.

Referring to fig. 4, in a further embodiment of the present utility model, the horizontal plate 330 is provided with a receptacle 331, and the carrier 100 is provided with a limiting hole 110 under the moving path of the receptacle 331, and the receptacle 331 can be moved to be aligned with the limiting hole 110 and insert the positioning pin 700. When the insertion hole 331 is aligned with the limit hole 110, the trolley body 300 is in a state of being inserted into the high-voltage switch cabinet with the circuit breaker, and the circuit breaker can be kept in a state of being inserted into the high-voltage switch cabinet through the positioning pin 700, so that the working state of the circuit breaker is stable. Of course, two insertion holes 331 may be arranged at intervals to fix the forward extending and retracting states of the trolley body 300, i.e. to fix the states of inserting the circuit breaker into the high-voltage switch cabinet and pulling out the high-voltage switch cabinet.

In a further embodiment of the present utility model, the horizontal plate 330 is provided with a cartridge 332 for temporary placement of the positioning pin 700.

In a further embodiment of the present utility model, a rib plate 322 is connected between the vertical plate 320 and the horizontal plate 330 to improve structural strength at the connection of the vertical plate 320 and the horizontal plate 330.

Referring to fig. 1, in some embodiments of the present utility model, the trolley body 300 includes a plurality of rails 350 extending in the width direction of the guide rail 200, a relief groove 351 is formed at the bottom of the rails 350 above the telescopic driving mechanism 400 and the loop bar 420, and the sinking plate 340 is connected to one rail 350 in the middle. The relief groove 351 can have enough upward travel to avoid structural interference when the telescopic driving mechanism 400 and the loop bar 420 are detached from the riser 320.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A circuit breaker trolley assist apparatus, comprising:

a carrier (100);

a plurality of guide rails (200) which are arranged at intervals along the width direction of the guide rails and are laid on the carrier (100); the trolley comprises a trolley body (300), wherein a roller (310) matched with the guide rail (200) is arranged at the bottom of the trolley body, a vertical plate (320) is arranged, and the vertical plate (320) is provided with an opening groove (321) with an upward opening;

the telescopic driving mechanism (400) is arranged on the supporting body (100) and provided with a telescopic rod (410) which can stretch out and draw back along the length direction of the guide rail (200), the outer end of the telescopic rod (410) is connected with a sleeve rod (420), the diameter of the sleeve rod (420) is smaller than that of the telescopic rod (410) so as to form a shaft shoulder (411) at the joint of the telescopic rod and the sleeve rod, the outer end of the sleeve rod (420) is detachably connected with a limiting head (430), and the middle part of the sleeve rod (420) is embedded into the opening groove (321);

two compression springs (500) sleeved on the loop bar (420) and respectively positioned at two sides of the vertical plate (320); one end of the pressure spring (500) is propped against the shaft shoulder (411), the other end of the pressure spring is propped against the vertical plate (320), one end of the pressure spring (500) is propped against the vertical plate (320), and the other end of the pressure spring is propped against the limiting head (430).

2. The breaker trolley power assisting device according to claim 1, wherein the loop bar (420) is slidably sleeved with two circular rings (600), the two circular rings (600) are respectively located at two sides of the vertical plate (320), and the circular rings (600) are located between the compression springs (500) and the vertical plate (320) at the corresponding sides and are used for transmitting the acting force of the compression springs (500) to the vertical plate (320).

3. The power assisting device of the circuit breaker trolley according to claim 2, wherein a spacer (421) is provided on a central peripheral wall of the loop bar (420) to separate the two rings (600) such that a distance between the two rings (600) is greater than or equal to a thickness of the riser (320).

4. A circuit breaker trolley power assisting device according to claim 3, characterized in that the inner ring of the ring (600) of the two rings (600) close to the telescopic rod (410) is provided with a avoiding groove (610) through which the spacer blocks (421) can pass.

5. The breaker trolley power assisting device according to claim 1, wherein a threaded shaft (422) is arranged at the outer end of the sleeve rod (420), and the limiting head (430) is a nut which is in threaded connection with the threaded shaft (422).

6. The breaker trolley power assisting device according to claim 1, wherein the trolley body (300) is provided with a downward extending sinking plate (340), a horizontal plate (330) horizontally extends from the bottom of the sinking plate (340) toward the telescopic driving mechanism (400), and the vertical plate (320) is connected to one end of the horizontal plate (330) toward the telescopic driving mechanism (400).

7. The breaker trolley power assisting device according to claim 6, wherein the horizontal plate (330) is provided with a jack (331), the carrier (100) is provided with a limit hole (110) below the moving path of the jack (331), and the jack (331) is movable to be aligned with the limit hole (110) and insert a positioning pin (700).

8. The power assisting device of a circuit breaker trolley according to claim 7, characterized in that the horizontal plate (330) is provided with a cartridge (332) for temporary placement of a positioning pin (700).

9. The breaker trolley boosting device according to claim 6, wherein a rib plate (322) is connected between the vertical plate (320) and the horizontal plate (330).

10. The breaker trolley power assisting device according to claim 1, wherein the trolley body (300) comprises a plurality of cross bars (350) extending along the width direction of the guide rail (200), and a yielding groove (351) is formed in the bottom of the cross bars (350) above the telescopic driving mechanism (400) and the loop bar (420).