A kind of power system overhaul ground trolley
By introducing a propulsion screw mechanism and roller structure into the power system maintenance grounding trolley, the problems of long time consumption and easy omission of traditional grounding wires are solved, realizing fast and reliable grounding operation and adapting to complex environments.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHAORUI ELECTRIC CO LTD
- Filing Date
- 2025-06-06
- Publication Date
- 2026-06-02
AI Technical Summary
Traditional grounding wire connection is time-consuming and prone to omissions or poor contact. Grounding trolley operation is complicated and difficult to adapt to complex environments.
A grounding trolley for power system maintenance was designed. It adopts a push screw mechanism, which drives the moving contact to quickly contact the power line by manually rotating the push screw. Combined with rollers and friction grounding clamps, it can achieve fast and reliable grounding operation.
It significantly reduces deployment time, improves operational convenience and reliability, and adapts to complex environments, as well as humid and confined spaces.
Smart Images
Figure CN224318724U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of power system maintenance technology, specifically to a grounding trolley for power system maintenance. Background Technology
[0002] Traditional grounding wires: originally required manual connection, which was time-consuming and prone to omissions or poor contact, and were limited by cable length and space. Grounding trolley: one-button operation, reducing deployment time by more than 50%. It is prone to omissions or poor contact, has expandable modules, and can adapt to complex environments (such as humid or confined spaces). To address the above issues, a grounding trolley for power system maintenance is needed. Utility Model Content
[0003] The purpose of this invention is to provide a grounding trolley for power system maintenance, in order to solve the problems mentioned in the background art.
[0004] To achieve the above objectives, this utility model provides the following technical solution:
[0005] A grounding trolley for power system maintenance includes a trolley frame, a friction grounding clamp connected to the bottom of the trolley frame, roller frames symmetrically connected to the side walls of the trolley frame, rotating rollers symmetrically connected to the roller frames, a push-door guide rail connected to the side walls of the trolley frame and above the roller frames, a fixed connecting plate connected to the end face of the trolley frame, a push screw connected to the fixed connecting plate, a push mechanism handle connected to one end of the push screw, and a screw slider connected to the side wall of the push screw. A limiting slide rod is connected to the lead screw slider and located below the lead screw. One end of the limiting slide rod is connected to the side wall of the fixed connecting plate. A protective panel is connected to the end face of the lead screw slider via a connecting frame. An observation window, a panel handle, and an intelligent connection aviation plug are connected to the side wall of the protective panel. Multiple sets of insulators are connected to the side wall of the protective panel. One end of each insulator is connected to a moving contact arm. One end of each moving contact arm is connected to a moving contact. A grounding busbar is connected to the side wall of the moving contact arm.
[0006] In a preferred embodiment of this utility model, the rotating roller is connected to the side wall of the roller frame via a bearing, wherein the connection between the rotating roller and the bearing is a rotatable connection.
[0007] As a preferred embodiment of this utility model, the lead screw is connected to the side wall of the fixed connecting plate through a bearing seat, wherein the connection between the lead screw and the bearing seat is a rotatable connection.
[0008] As a preferred embodiment of this utility model, the connection between the lead screw and the lead screw slider is a threaded connection.
[0009] As a preferred embodiment of this utility model, the lead screw slider is provided with a connecting hole corresponding to the limiting slide rod, wherein the connection between the limiting slide rod and the connecting hole is a sliding connection.
[0010] Compared with the prior art, the beneficial effects of this utility model are:
[0011] In this invention, by installing a push screw in the grounding trolley used for power system maintenance, the manually rotated push screw can quickly bring the moving contact into contact with the wire, thereby quickly completing the electrical connection work and making the device more convenient to use. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the isotropic structure of this utility model;
[0013] Figure 2 This is a schematic diagram of the main structure of this utility model;
[0014] Figure 3 This is a side view of the structure of this utility model;
[0015] Figure 4 This is a top view of the structure of this utility model.
[0016] In the diagram: 1. Handcart frame; 2. Friction grounding clamp; 3. Roller frame; 4. Rotating roller; 5. Push door guide rail; 6. Fixed connecting plate; 7. Push screw; 8. Push mechanism handle; 9. Screw slider; 10. Limiting slide bar; 11. Protective panel; 12. Observation window; 13. Panel handle; 14. Intelligent connection aviation plug; 15. Insulator; 16. Moving contact arm; 17. Moving contact; 18. Grounding busbar. Detailed Implementation
[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.
[0018] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, and several embodiments of the utility model will be provided. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and complete.
[0019] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.
[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.
[0021] For an example, please refer to... Figure 1-4 This utility model provides a technical solution:
[0022] A grounding trolley for power system maintenance includes a trolley frame 1, a friction grounding clamp 2 connected to the bottom of the trolley frame 1, roller frames 3 symmetrically connected to the side walls of the trolley frame 1, rotating rollers 4 symmetrically connected to the roller frames 3, a push-door guide rail 5 connected to the side wall of the trolley frame 1 and above the roller frames 3, a fixed connecting plate 6 connected to the end face of the trolley frame 1, a push screw 7 connected to the fixed connecting plate 6, a push mechanism handle 8 connected to one end of the push screw 7, a screw slider 9 connected to the side wall of the push screw 7, and a push mechanism handle 9 connected to the side wall of the push screw 7. A limiting slide rod 10 is connected below the push screw 7. One end of the limiting slide rod 10 is connected to the side wall of the fixed connecting plate 6. A protective panel 11 is connected to the end face of the screw slider 9 through a connecting frame. An observation window 12, a panel handle 13, and an intelligent connection aviation plug 14 are connected to the side wall of the protective panel 11. Multiple sets of insulators 15 are connected to the side wall of the protective panel 11. One end of the insulator 15 is connected to a moving contact arm 16. One end of the moving contact arm 16 is connected to a moving contact 17. A grounding busbar 18 is connected to the side wall of the moving contact arm 16.
[0023] In this embodiment, reference Figure 1 , Figure 2 , Figure 3 and Figure 4When the lead screw 7 is connected to the side wall of the fixed connecting plate 6 through the bearing seat, and the connection between the lead screw 7 and the bearing seat is a rotatable connection, the lead screw 7 is manually rotated. When the lead screw 7 rotates, the lead screw 7 and the lead screw slider 9 are connected by a thread. The lead screw slider 9 has a connecting hole corresponding to the limit slide rod 10. The limit slide rod 10 and the connecting hole are connected by a sliding connection. When the lead screw slider 9 moves on the side wall of the lead screw 7, it drives the insulator 15, the moving contact arm 16, the moving contact 17 and the grounding busbar 18 on the protective panel 11 to move, so that the moving contact 17 comes into contact with the wire.
[0024] Furthermore, the rotating roller 4 is connected to the side wall of the roller frame 3 via a bearing, wherein the connection between the rotating roller 4 and the bearing is a rotatable connection. The push screw 7 is connected to the side wall of the fixed connecting plate 6 via a bearing seat, wherein the connection between the push screw 7 and the bearing seat is a rotatable connection. The connection between the push screw 7 and the screw slider 9 is a threaded connection. The screw slider 9 is provided with a connecting hole corresponding to the limiting slide rod 10, wherein the connection between the limiting slide rod 10 and the connecting hole is a sliding connection. When the push screw 7 rotates, it can drive the screw slider 9 to move on the side wall of the push screw 7.
[0025] The working process of this utility model is as follows: When using the grounding trolley for power system maintenance, first push the device to the designated location. With the push screw 7 connected to the side wall of the fixed connecting plate 6 via the bearing seat, and the push screw 7 and the bearing seat being rotatably connected, manually rotate the push screw 7. When the push screw 7 rotates, the push screw 7 and the screw slider 9 are connected by a thread. The screw slider 9 has a connecting hole corresponding to the limiting slide rod 10. With the limiting slide rod 10 and the connecting hole being slidably connected, the screw slider 9 moves on the side wall of the push screw 7. When the screw slider 9 moves on the side wall of the push screw 7, it drives the insulator 15, moving contact arm 16, moving contact 17 and grounding busbar 18 on the protective panel 11 to move, so that the moving contact 17 comes into contact with the wire.
[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A grounding trolley for power system maintenance, comprising a trolley frame (1), characterized in that: The bottom of the handcart frame (1) is connected to a friction grounding clamp (2). Roller frames (3) are symmetrically connected to the side walls of the handcart frame (1). Rotating rollers (4) are symmetrically connected to the roller frames (3). A push-door guide rail (5) is connected to the side wall of the handcart frame (1) and above the roller frames (3). A fixed connecting plate (6) is connected to the end face of the handcart frame (1). A push screw (7) is connected to the fixed connecting plate (6). A push mechanism handle (8) is connected to one end of the push screw (7). A screw slider (9) is connected to the side wall of the push screw (7). A limiting slide rod (10) is connected below. One end of the limiting slide rod (10) is connected to the side wall of the fixed connecting plate (6). A protective panel (11) is connected to the end face of the lead screw slider (9) through a connecting frame. An observation window (12), a panel handle (13) and an intelligent connection aviation plug (14) are connected to the side wall of the protective panel (11). Multiple sets of insulators (15) are connected to the side wall of the protective panel (11). One end of the insulator (15) is connected to a moving contact arm (16). One end of the moving contact arm (16) is connected to a moving contact (17). A grounding busbar (18) is connected to the side wall of the moving contact arm (16).
2. The grounding trolley for power system maintenance according to claim 1, characterized in that: The rotating roller (4) is connected to the side wall of the roller frame (3) by a bearing, wherein the rotating roller (4) and the bearing are connected by a rotating connection.
3. A grounding trolley for power system maintenance according to claim 1, characterized in that: The lead screw (7) is connected to the side wall of the fixed connecting plate (6) through a bearing seat, wherein the lead screw (7) and the bearing seat are connected by a rotatable connection.
4. A grounding trolley for power system maintenance according to claim 1, characterized in that: The connection between the lead screw (7) and the lead screw slider (9) is a threaded connection.
5. A grounding trolley for power system maintenance according to claim 1, characterized in that: The lead screw slider (9) has a connecting hole corresponding to the limiting slider (10), wherein the limiting slider (10) and the connecting hole are connected by a sliding connection.