Maintenance trolley

Abstract

The utility model discloses a maintenance trolley which comprises a supporting box, an adjusting supporting block is connected to the interior of the supporting box in a sliding mode, and a supporting top plate is fixedly connected to the top of the adjusting supporting block. An adjusting rod is driven to move through two internally symmetrical adjusting chutes when a second moving plate moves, a first moving plate and an L-shaped sliding plate are driven to move when the adjusting rod moves, a relay needing to be overhauled is clamped and limited through two workpiece clamping plates, a first sharp clamping block and a second sharp clamping block are additionally arranged, and therefore the relay can be overhauled conveniently. The pressing plate drives the second pointed clamping block to move, through position limitation between the second pointed clamping block and the first pointed clamping block, the moving positions of the moving block and the threading blocks are limited and fixed, the distance between the threading blocks is adjusted, and the distance between the power cables is adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of maintenance, in particular to a maintenance trolley. Background Art

[0002] Relay protection devices can protect power lines and prevent power safety accidents by tripping and other actions. Relay protection devices play a relatively important role in ensuring the safe operation of power systems. Therefore, in daily operation or fault maintenance, it is particularly necessary to test and repair relay protection devices. However, the existing relay protection maintenance trolley does not have the function of quickly clamping and limiting the relay, and there are many power cords of the test instruments for checking the relays. The power cords do not have the functions of classification and power cord limiting. The power cords of the test instruments are easily tangled together, which affects the use during maintenance and testing. Utility Model Content

[0003] The purpose of the utility model is to provide a maintenance trolley to solve the problem that the existing relay protection maintenance trolley proposed in the above background technology does not have the function of quickly clamping and limiting the relay, and there are many power cords of the test instruments for checking the relays, the power cords do not have the function of classification and power cord limiting, and the power cords of the test instruments are easily entangled, which affects the use during maintenance and testing.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a maintenance trolley, comprising a support box, an adjusting support block is slidably connected inside the support box, the top of the adjusting support block is fixedly connected to a supporting top plate, the top of the supporting top plate is fixedly connected to a supporting platform, a No. 2 movable plate is slidably connected inside the support platform, two adjusting inclined grooves are symmetrically provided inside the No. 2 movable plate, an adjusting rod is slidably connected inside the adjusting inclined groove, the adjusting rod is slidably connected to the support platform, a No. 1 movable plate is symmetrically slidably connected inside the support platform, one end of the adjusting rod is fixedly connected to the No. 1 movable plate, and the top of the No. 1 movable plate is fixedly connected to an L-shaped A sliding plate, the top of the support table is symmetrically and slidably connected to two workpiece clamping plates, the L-shaped sliding plate is fixedly connected to the workpiece clamping plate, the top of the support top plate is fixedly connected to a connecting top plate, the connecting top plate is internally slidably connected to four moving blocks, the top of the connecting top plate is slidably connected to four threading blocks, the moving blocks are fixedly connected to the threading blocks, one side of the moving blocks is fixedly connected to two No. 1 pointed blocks, the connecting top plate is internally slidably connected to a pressing plate, one side of the pressing plate is equidistantly fixedly connected to a No. 2 pointed block that cooperates with the No. 1 pointed block, one side of the pressing plate is rotatably connected to a tightening bolt, and the tightening bolt is threadedly connected to the connecting top plate.

[0005] As a preferred solution of the utility model: the internal sliding connection of the moving block is connected with a limiting rod, and the limiting rod is fixedly connected to the connecting top plate.

[0006] As a preferred solution of the utility model: the internal thread of the threading block is connected with a clamping bolt, the bottom end of the clamping bolt is rotatably connected to the wire pressing block, the top of the wire pressing block is symmetrically fixedly connected with two limiting top plates, and the limiting top plates are slidably connected to the threading block.

[0007] As a preferred solution of the utility model: the internal thread of the second movable plate is connected with an adjusting screw, the adjusting screw is rotatably connected to the support platform, one side of the support platform is rotatably connected with a rotating block, and one end of the adjusting screw is fixedly connected to the rotating block.

[0008] As a preferred solution of the utility model: the internal thread of the adjusting support block is connected with a lifting screw rod, the lifting screw rod is rotatably connected to the support box, the bottom of the support box is rotatably connected with a rotating hand wheel, and the lifting screw rod is fixedly connected to the rotating hand wheel.

[0009] As a preferred solution of the utility model: the bottom of the supporting top plate is symmetrically fixedly connected with two limit support plates, the limit support plates are slidably connected to the supporting box, the bottom of the supporting box is symmetrically fixedly connected with two brackets, and the bottom of the brackets is provided with two universal wheels.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model adds a No. 2 movable plate and an adjusting bevel groove, thereby realizing that when the No. 2 movable plate moves, the adjusting rod is driven to move through the two symmetrical internal adjusting bevel grooves, and when the adjusting rod moves, it drives the No. 1 movable plate and the L-shaped sliding plate to move, and the relay that needs to be repaired is clamped and limited by the two workpiece clamping plates, and by adding a No. 1 pointed card block and a No. 2 pointed card block, the pressure plate drives the No. 2 pointed card block to move, and through the position restriction between the No. 2 pointed card block and the No. 1 pointed card block, the moving position of the movable block and the threading block is restricted and fixed, the spacing between each threading block is adjusted, and the spacing between each power cable is adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the internal structure of the utility model;

[0012] Figure 2 This is a top view of the internal structure of the support platform of the utility model;

[0013] Figure 3 This is a schematic diagram of the internal structure of the connecting top plate of the utility model;

[0014] Figure 4 This is a top view of the internal structure of the connecting top plate of the utility model.

[0015] In the figure: 1. Support box; 2. Bracket; 3. Universal wheel; 4. Adjustment support block; 5. Lifting screw; 6. Turning hand wheel; 7. Limit support plate; 8. Limit top plate; 9. Support top plate; 10. Support table; 11. Workpiece clamping plate; 12. L-shaped sliding plate; 13. No. 1 moving plate; 14. Adjustment rod; 15. No. 2 moving plate; 16. Adjustment inclined groove; 17. Adjustment screw; 18. Rotating block; 19. Connecting top plate; 20. Moving block; 21. Limit rod; 22. No. 1 pointed clamping block; 23. Pressing plate; 24. No. 2 pointed clamping block; 25. Tightening bolt; 26. Threading block; 27. Tightening bolt; 28. Pressing block. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figures 1 to 4The utility model provides a technical solution: a maintenance trolley comprises a support box 1, an adjusting support block 4 is slidably connected inside the support box 1, a supporting top plate 9 is fixedly connected to the top of the adjusting support block 4, a supporting platform 10 is fixedly connected to the top of the supporting top plate 9, a No. 2 movable plate 15 is slidably connected inside the supporting platform 10, two adjusting inclined grooves 16 are symmetrically provided inside the No. 2 movable plate 15, an adjusting rod 14 is slidably connected inside the adjusting inclined groove 16, the adjusting rod 14 is slidably connected to the supporting platform 10, a No. 1 movable plate 13 is symmetrically slidably connected inside the supporting platform 10, one end of the adjusting rod 14 is fixedly connected to the No. 1 movable plate 13, the top of the No. 1 movable plate 13 is fixedly connected with an L-shaped sliding plate 12, the top of the supporting platform 10 is symmetrically slidably connected with two workpiece clamping plates 11, the L-shaped sliding plate 12 is fixedly connected to the workpiece clamping plate 11, and the top of the supporting top plate 9 is fixedly connected to There is a connecting top plate 19, and four moving blocks 20 are slidably connected inside the connecting top plate 19. Four threading blocks 26 are slidably connected to the top of the connecting top plate 19. The moving blocks 20 are fixedly connected to the threading blocks 26. One side of the moving block 20 is fixedly connected with two No. 1 pointed blocks 22. The internal sliding connection of the connecting top plate 19 is provided with a pressing plate 23, and one side of the pressing plate 23 is equidistantly fixedly connected with a No. 2 pointed block 24 that cooperates with the No. 1 pointed block 22. One side of the pressing plate 23 is rotatably connected with a tightening bolt 25, and the tightening bolt 25 is threadedly connected to the connecting top plate 19. When the No. 2 moving plate 15 moves, it drives the adjusting rod 14 to move its position through the adjusting inclined slot 16. When the adjusting rod 14 moves, it drives the No. 1 moving plate 13 and the L-shaped sliding plate 12 to move their positions. The L-shaped sliding plate 12 drives the workpiece clamping plate 11 to clamp and limit the relay, thereby ensuring the stability of the relay during maintenance.

[0018] The moving block 20 is internally slidably connected with a limiting rod 21, and the limiting rod 21 is fixedly connected to the connecting top plate 19, so as to limit the moving position of the connecting top plate 19 and improve stability.

[0019] Among them, the internal thread of the threading block 26 is connected with a clamping bolt 27, the bottom end of the clamping bolt 27 is rotatably connected with a wire pressing block 28, the top of the wire pressing block 28 is symmetrically fixedly connected with two limiting top plates 8, the limiting top plates 8 are slidingly connected to the threading block 26, and the clamping bolt 27 is rotated downward. The clamping bolt 27 drives the wire pressing block 28 to limit the position of the power cord, limit the power cord of the test instrument, and the relay is inspected and tested by the test instrument.

[0020] Among them, the internal thread of the No. 2 movable plate 15 is connected with an adjusting screw 17, the adjusting screw 17 is rotatably connected to the support platform 10, one side of the support platform 10 is rotatably connected with a rotating block 18, one end of the adjusting screw 17 is fixedly connected to the rotating block 18, by rotating the rotating block 18, the rotating block 18 drives the adjusting screw 17 to rotate, and when the adjusting screw 17 rotates, it drives the No. 2 movable plate 15 to move its position for adjustment.

[0021] Among them, the internal thread of the adjusting support block 4 is connected with a lifting screw rod 5, the lifting screw rod 5 is rotatably connected to the support box 1, the bottom of the support box 1 is rotatably connected with a rotating hand wheel 6, the lifting screw rod 5 is fixedly connected to the rotating hand wheel 6, and the lifting screw rod 5 is rotated by rotating the hand wheel 6. When the lifting screw rod 5 rotates, the height position of the adjusting support block 4 and the support top plate 9 is adjusted to a suitable height position.

[0022] Among them, the bottom of the supporting top plate 9 is symmetrically fixedly connected with two limit support plates 7, the limit support plates 7 are slidably connected to the supporting box 1, the bottom of the supporting box 1 is symmetrically fixedly connected with two brackets 2, and the bottom of the bracket 2 is provided with two universal wheels 3, and the position of the bracket 2 and the supporting box 1 is adjusted by the universal wheels 3.

[0023] Specifically, when in use, the lifting screw rod 5 is rotated by turning the hand wheel 6. When the lifting screw rod 5 is rotated, the height position of the adjusting support block 4 and the supporting top plate 9 is adjusted to a suitable height position, and the relay to be repaired is placed between the two workpiece clamping plates 11. By rotating the rotating block 18, the rotating block 18 drives the adjusting screw rod 17 to rotate. When the adjusting screw rod 17 rotates, it drives the second moving plate 15 to move its position. When the second moving plate 15 moves, it drives the adjusting rod 14 to move its position through the adjusting inclined slot 16. When the adjusting rod 14 moves, it drives the first moving plate 13 and the L-shaped sliding plate 12 to move their positions. Plate 12 drives the workpiece clamping plate 11 to clamp and limit the relay, and the positions of the threading block 26 and the moving block 20 are adjusted, and then the tightening bolt 25 is turned inward. The tightening bolt 25 pushes the pressure plate 23 and the second pointed block 24 to move, and the position between the second pointed block 24 and the first pointed block 22 is limited, and the moving position of the moving block 20 and the threading block 26 is limited. The power cord passes through the threading block 26, and the tightening bolt 27 is turned downward. The tightening bolt 27 drives the wire pressing block 28 to limit the position of the power cord, and the power cord of the test instrument is limited. The relay is inspected and tested by the test instrument.

[0024] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0025] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0026] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A maintenance trolley, comprising a support box (1), characterized in that: The support box (1) is internally slidably connected with an adjustment support block (4), the top of the adjustment support block (4) is fixedly connected with a support top plate (9), the top of the support top plate (9) is fixedly connected with a support platform (10), the support platform (10) is internally slidably connected with a second movable plate (15), the interior of the second movable plate (15) is symmetrically provided with two adjustment inclined grooves (16), the interior of the adjustment inclined groove (16) is slidably connected with an adjustment rod (14), the adjustment rod (14) is slidably connected to the support platform (10), the interior of the support platform (10) is symmetrically slidably connected with a first movable plate (13), one end of the adjustment rod (14) is fixedly connected to the first movable plate (13), the top of the first movable plate (13) is fixedly connected with an L-shaped sliding plate (12), the top of the support platform (10) is symmetrically slidably connected with two working plates (13). The workpiece clamping plate (11) is fixedly connected to the L-shaped sliding plate (12) and the workpiece clamping plate (11). The top of the supporting top plate (9) is fixedly connected to a connecting top plate (19). The connecting top plate (19) is internally slidably connected to four moving blocks (20). The connecting top plate (19) is internally slidably connected to four threading blocks (26). The moving blocks (20) are fixedly connected to the threading blocks (26). One side of the moving blocks (20) is fixedly connected to two No. 1 pointed blocks (22). The connecting top plate (19) is internally slidably connected to a pressing plate (23). One side of the pressing plate (23) is equidistantly fixedly connected to a No. 2 pointed block (24) that cooperates with the No. 1 pointed block (22). One side of the pressing plate (23) is rotatably connected to a tightening bolt (25). The tightening bolt (25) is threadedly connected to the connecting top plate (19).

2. A maintenance vehicle according to claim 1, characterized in that: The moving block (20) is internally slidably connected to a limiting rod (21), and the limiting rod (21) is fixedly connected to the connecting top plate (19).

3. A maintenance vehicle according to claim 1, characterized in that: The internal thread of the threading block (26) is connected to a clamping bolt (27), the bottom end of the clamping bolt (27) is rotatably connected to a wire pressing block (28), the top of the wire pressing block (28) is symmetrically fixedly connected to two limiting top plates (8), and the limiting top plates (8) are slidably connected to the threading block (26).

4. The maintenance vehicle according to claim 1, characterized in that: The inner thread of the second movable plate (15) is connected to an adjusting screw rod (17), and the adjusting screw rod (17) is rotatably connected to the support platform (10). One side of the support platform (10) is rotatably connected to a rotating block (18), and one end of the adjusting screw rod (17) is fixedly connected to the rotating block (18).

5. The maintenance vehicle according to claim 1, characterized in that: The internal thread of the adjusting support block (4) is connected to a lifting screw rod (5), and the lifting screw rod (5) is rotatably connected to the support box (1). The bottom of the support box (1) is rotatably connected to a rotating hand wheel (6), and the lifting screw rod (5) is fixedly connected to the rotating hand wheel (6).

6. The maintenance vehicle according to claim 1, characterized in that: The bottom of the supporting top plate (9) is symmetrically and fixedly connected to two limit support plates (7), the limit support plates (7) are slidably connected to the supporting box (1), the bottom of the supporting box (1) is symmetrically and fixedly connected to two brackets (2), and the bottom of the brackets (2) is provided with two universal wheels (3).

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