CN219458481U - A circuit breaker trolley booster - Google Patents

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

A circuit breaker trolley booster

technical field

The utility model relates to the technical field of circuit breaker equipment, in particular to a circuit breaker trolley booster.

Background technique

When the high-voltage switchgear is used, its circuit breaker needs to be pushed in or pulled out, and the circuit breaker is often pushed by a trolley, and the trolley is often pushed by manpower, which is not convenient enough.

For this reason, the driving mechanism can be used to drive the trolley for push-pull movement. However, when the driving mechanism pushes the trolley, it is easy to cause a large collision when the circuit breaker contacts the high-voltage switchgear, resulting in damage to the contact position.

Utility model content

The utility model aims at at least solving one of the technical problems existing in the prior art. For this reason, the utility model proposes a circuit breaker trolley booster, which can automatically push and pull the trolley body, and has a buffer structure to reduce rigid contact.

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

A circuit breaker trolley booster, comprising: a carrier; guide rails, a plurality of which are arranged at intervals along the width direction of the carrier and laid on the carrier; There is a vertical board, and the vertical board is provided with an opening slot opening upward; the telescopic drive mechanism has a telescopic rod that can expand and contract along the length direction of the guide rail, and the outer end of the telescopic rod is connected with a sleeve rod, and the sleeve rod The diameter is smaller than that of the telescopic rod to form a shoulder at the connection between the two. The outer end of the sleeve rod is detachably connected to the limit head, and the middle part of the sleeve rod is embedded in the open groove; two compression springs are sleeved on the sleeve rods, and are respectively located on both sides of the riser; one end of one of the compression springs abuts against the shoulder, the other end abuts against the riser, and one end of the other compression spring abuts against the riser, The other end is against the limit head.

Further, two circular rings are slidingly sleeved on the sleeve rod, and the two circular rings are respectively located on both sides of the vertical plate, and the circular rings are located between the compression spring on the corresponding side and the vertical plate, and are used to press the vertical plate. The active force of the spring is transmitted to the riser.

Further, a spacer is provided on the peripheral wall of the middle part of the sleeve rod to separate the two rings, so that the distance between the two rings is greater than or equal to the thickness of the riser.

Further, the inner ring of the two rings close to the telescopic rod is provided with an avoidance groove through which the spacer can pass.

Further, the outer end of the sleeve rod is provided with a threaded shaft, and the limit head is a nut threadedly connected to the threaded shaft.

Further, the trolley body is provided with a sinking plate extending downward, a horizontal plate extends horizontally from the bottom of the sinking plate toward the telescopic drive mechanism, and the vertical plate is connected to one end of the horizontal plate facing the telescopic drive mechanism.

Further, the horizontal plate is provided with a socket, and the carrier is provided with a limit hole below the moving path of the socket, and the socket can be moved to be aligned with the limit hole and inserted into a positioning pin.

Further, the horizontal plate is provided with an inserting socket for the positioning pin to be placed temporarily.

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

Further, the trolley body includes a plurality of cross bars extending along the width direction of the guide rail, and the bottom of the cross bar above the telescopic drive mechanism and the sleeve rod is provided with a relief slot.

The utility model has the following beneficial effects:

Drive the movement of the trolley body through the telescopic drive mechanism to avoid human push and reduce labor intensity; and then use two compression springs to play an elastic buffering effect on the reciprocating movement of the trolley body to avoid rigid contact. The bit head realizes the transmission of force; the design of the open slot also facilitates the installation and removal of the sleeve rod.

In addition to the purposes, features and advantages described above, the present invention has other purposes, features and advantages. Below with reference to figure, the utility model is described in further detail.

Description of drawings

The accompanying drawings constituting a part of this application are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model, and do not constitute an improper limitation of the utility model. In the attached picture:

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is the enlarged view of place A of Fig. 1;

Fig. 3 is a schematic diagram of the exploded state structure of Fig. 1;

Fig. 4 is the enlarged view of place B of Fig. 3;

Fig. 5 is a partial sectional view of the sleeve rod of the present invention.

illustration:

Carrier 100, limiting hole 110;

guide rail 200;

Trolley body 300, rollers 310, vertical plates 320, opening slots 321, horizontal plates 330, sockets 331, sockets 332, sinking plates 340, cross bars 350, and relief slots 351;

Telescopic drive mechanism 400, telescopic rod 410, shaft shoulder 411, sleeve rod 420, spacer 421, threaded shaft 422, limit head 430;

Compression spring 500;

Ring 600, avoidance groove 610;

Locating pin 700.

Detailed ways

It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiment of the utility model are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

In addition, the descriptions related to "first", "second" and so on in the present application are only for the purpose of description, and should not be understood as indicating or implying their relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, the technical solutions of the various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist , also not within the scope of protection required by the utility model.

Please refer to FIG. 1 to FIG. 5 , a circuit breaker trolley booster in a preferred embodiment provided by the utility model includes a carrier 100 , guide rail 200 , trolley body 300 , telescopic drive mechanism 400 and compression spring 500 .

The carrier 100 can be a concrete floor or a metal plate. There are multiple guide rails 200 arranged at intervals along the width direction thereof and laid on the carrier 100; the bottom of the trolley body 300 is provided with rollers 310 adapted to the guide rails 200, specifically, two guide rails 200 are arranged in parallel, and the trolley body 300 The four corners of the bottom are provided with rollers 310 , and the surrounding walls of the rollers 310 are provided with guide grooves for the upper end of the guide rail 200 to be embedded, so as to realize the stable guidance of the movement of the trolley body 300 . The trolley body 300 is provided with a riser 320, and the riser 320 is provided with an opening groove 321 facing upwards; the telescopic drive mechanism 400 is installed on the carrier body 100, and the telescopic drive mechanism 400 has a telescopic rod 410 that can expand and contract 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 to form a shoulder 411 at the junction of the two. The outer end of the sleeve rod 420 is detachably connected to the limit head 430, and the middle part of the sleeve rod 420 is embedded in the open groove 321, when dismounting, you only need to lift up the sleeve rod 420 to disengage from the opening groove 321 to complete the disassembly; two compression springs 500 are sleeved on the sleeve rod 420, and the two compression springs 500 are respectively located on both sides of the vertical plate 320; one of the compression springs One end of 500 is against the shaft shoulder 411, and the other end is against the vertical plate 320, thereby realizing the pressure on both ends of the compression spring 500; one end of the other compression spring 500 is against the vertical plate 320, and the other end is against the limit head 430, thereby realizing Pressing against the compression spring 500 realizes the installation limit of the two compression springs 500 and realizes the elastic buffering of the two directions of the reciprocating motion.

The utility model provides a circuit breaker trolley booster device, which drives the trolley body 300 to move through the telescopic drive mechanism 400, avoids manpower to push, and reduces labor intensity; and then uses two compression springs 500 to play an elastic buffer for the reciprocating movement of the trolley body 300 To avoid rigid contact, the compression spring 500 realizes force transmission through the shoulder 411, the vertical plate 320 and the limit head 430; the design of the open slot 321 also facilitates the installation and disassembly of the sleeve rod 420.

If the compression spring 500 is in direct contact with the riser 320, the end of the compression spring 500 may be partially inserted into the opening groove 321, causing the compression spring 500 to be unstable and unable to provide a stable elastic force. For this reason, in some embodiments of the present utility model Among them, two circular rings 600 are slidingly sleeved on the sleeve rod 420, and the two circular rings 600 are respectively located on both sides of the vertical plate 320, and the circular rings 600 are located between the compression spring 500 on the corresponding side and the vertical plate 320, for pressing The active force of the spring 500 is transmitted to the riser 320. Specifically, the diameter of the ring 600 is larger than the width of the opening groove 321, the inner hole of the ring 600 is adapted to the sleeve rod 420, and the ring 600 has a complete ring surface in contact with the compression spring 500. The compression spring 500 can be stably compressed, and the compression spring 500 provides a stable elastic force.

Referring to Fig. 2 and Fig. 4, in a further embodiment of the present utility model, a spacer 421 is provided on the peripheral wall of the middle part of the sleeve rod 420 to separate the two rings 600 so that the distance between the two rings 600 is greater than or equal to the vertical The thickness of the plate 320, so that during installation, the distance between the two rings 600 will not be too small due to the compression spring 500, making it difficult for the riser 320 to be embedded; during installation, because the distance between the two rings 600 is greater than or equal to the riser 320, so that when the sleeve rod 420 is assembled with the vertical plate 320 downwards with the two circular rings 600, the vertical plate 320 can be easily embedded in the middle of the two circular rings 600, reducing the structural interference during assembly and reducing the difficulty of assembly .

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 among the two rings 600 is provided with an avoidance groove 610 that can pass through the spacer 421, so that when installing, it is close to The inner ring 600 can pass through 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, it is only necessary to stagger the avoidance groove 610 and the spacer 421. The inner circular ring 600 can be offset against the spacer 421 to realize the position limit, and the distance between the two circular rings 600 can be maintained during installation.

Referring to Fig. 4, in some embodiments of the present invention, the outer end of the sleeve rod 420 is provided with a threaded shaft 422, the limit head 430 is a nut threadedly connected to the threaded shaft 422, and the outer peripheral contour of the nut is larger than the diameter of the compression spring 500, thereby realizing The detachable connection of the spacer 500 and the spacer head 430 is convenient for disassembly and replacement of parts.

Referring to FIG. 4 , in some embodiments of the present utility model, the trolley body 300 is provided with a sinking plate 340 extending downward, the bottom of the sinking plate 340 extends horizontally toward the telescopic drive mechanism 400 with a horizontal plate 330 , and the vertical plate 320 is connected to The horizontal plate 330 faces one end of the telescopic drive mechanism 400, and is set through the horizontal plate 330 so that the sleeve rod 420 has a certain space for telescopic activities, and the setting of the sinking plate 340 makes the overall structure lower without affecting the flatness of the upper end of the trolley body 300 sex.

Referring to Fig. 4, in a further embodiment of the present utility model, the horizontal plate 330 is provided with a socket 331, and the carrier 100 is provided with a limit hole 110 below the movable path of the socket 331, and the socket 331 can move to the limit hole. 110 aligned and inserted into alignment pin 700. Usually, when the jack 331 is aligned with the limit hole 110, the trolley body 300 is inserted into the high-voltage switchgear with the circuit breaker. The positioning pin 700 can keep the circuit breaker inserted into the high-voltage switchgear, making its working state stable. Of course, two jacks 331 can be provided at intervals to fix the forward and retracted states of the trolley body 300, that is, to fix the two states of the circuit breaker being inserted into the high-voltage switchgear and pulled out of the high-voltage switchgear.

In a further embodiment of the present invention, the horizontal plate 330 is provided with an insertion socket 332 for temporarily placing the positioning pin 700 , so that the positioning pin 700 is temporarily placed.

In a further embodiment of the present invention, a rib 322 is connected between the vertical plate 320 and the horizontal plate 330 to improve the structural strength of the joint between 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 cross bars 350 extending along the width direction of the guide rail 200 , and the bottom of the cross bar 350 above the telescopic drive mechanism 400 and the sleeve rod 420 is provided with Make way for the groove 351, and the sinking plate 340 is connected with a cross bar 350 in the middle. The relief groove 351 can have enough lifting stroke when the telescopic driving mechanism 400 and the sleeve rod 420 are disassembled from the riser 320 to avoid structural interference.

The above are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (10)

1. A circuit breaker trolley booster, characterized in that it comprises: Carrier (100); guide rails (200), a plurality of which are arranged at intervals along the width direction of itself and laid on the carrier (100); the trolley body (300), the bottom of which is provided with rollers (310) adapted to the guide rails (200) , a vertical plate (320) is provided, and the vertical plate (320) is provided with an opening slot (321) with the opening facing upward; The telescopic drive mechanism (400), installed on the carrier (100), has a telescopic rod (410) capable of telescopic expansion and contraction along the length direction of the guide rail (200), and 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) to form a shoulder (411) at the connection between the two, and the outer end of the sleeve rod (420) is detachably connected to the limit head (430), The middle part of the sleeve rod (420) is embedded in the open groove (321); Two compression springs (500), sleeved on the sleeve rod (420), and respectively located on both sides of the vertical plate (320); one end of one of the compression springs (500) is connected to the shoulder (411) For abutment, the other end is abutted against the vertical plate (320), and one end of the other compression spring (500) is abutted against the vertical plate (320), and the other end is abutted against the limit head (430). 2. The circuit breaker trolley booster device according to claim 1, characterized in that two circular rings (600) are slidingly sleeved on the sleeve rod (420), and the two circular rings (600) are respectively located at On both sides of the vertical plate (320), the ring (600) is located between the compression spring (500) on the corresponding side and the vertical plate (320), and is used to transmit the active force of the compression spring (500) to the vertical plate (320). ). 3. The circuit breaker trolley booster device according to claim 2, characterized in that a spacer (421) is provided on the middle wall of the sleeve rod (420) to separate the two rings (600) so that the two The distance between the rings (600) is greater than or equal to the thickness of the riser (320). 4. The circuit breaker trolley booster device according to claim 3, characterized in that, the inner ring of the ring (600) close to the telescopic rod (410) among the two rings (600) is provided with an energy supply spacer (421) escape groove (610) that passes. 5. The circuit breaker trolley booster device according to claim 1, characterized in that, the outer end of the sleeve rod (420) is provided with a threaded shaft (422), and the limit head (430) is threadedly connected to the threaded shaft (422) nut. 6. The circuit breaker trolley booster device according to claim 1, characterized in that, the trolley body (300) is provided with a sinking plate (340) extending downward, and the bottom of the sinking plate (340) is telescopic The drive mechanism (400) extends horizontally with a horizontal plate (330), and the vertical plate (320) is connected to one end of the horizontal plate (330) facing the telescopic drive mechanism (400). 7. The circuit breaker trolley booster device according to claim 6, characterized in that, the horizontal plate (330) is provided with a socket (331), and the moving path of the carrier (100) in the socket (331) A limiting hole (110) is provided below, and the insertion hole (331) can be moved to be aligned with the limiting hole (110) and inserted into the positioning pin (700). 8. The circuit breaker trolley booster device according to claim 7, characterized in that, the horizontal plate (330) is provided with an insertion socket (332) for temporarily placing the positioning pin (700). 9. The circuit breaker trolley booster device according to claim 6, characterized in that, a rib (322) is connected between the vertical plate (320) and the horizontal plate (330). 10. The circuit breaker trolley booster device according to claim 1, characterized in that, the trolley body (300) includes a plurality of cross bars (350) extending along the width direction of the guide rail (200), located at the telescopic drive mechanism (400) and the bottom of the cross bar (350) above the cover rod (420) are provided with a relief groove (351).