A kind of electric power test auxiliary vehicle

Abstract

The present invention discloses an electric power test auxiliary trolley, which relates to the technical field of test trolleys, and comprises a vehicle body, wherein the four bottom corners of the vehicle body are respectively fixedly connected with wheels, the outer wall of the vehicle body is sleeved with a protective cover, and the outer wall of one side of the protective cover is fixedly connected with a push handle. When the protective cover is used to realize up and down movement, when the protective cover moves upward to the bottom of the limiting slide groove and fits with the bottom of the magnetic positioning block, the protective cover stops moving due to the limit of the magnetic positioning block, and the outer wall of the magnetic positioning block and the inner wall of the limiting slide groove are partially magnetically fixed. At this time, the positions of the fixed slot and the circular hole correspond to each other, and the protective cover on the vehicle body is fixed after the hook of the fixing device is plugged into the fixed slot, so that the electric power test and maintenance tools inside the vehicle body can be conveniently taken out, the operation is portable, and the use effect is better. After the test is completed, the protective cover can be reset for easy outdoor use to provide safety protection for the exposed parts, and the safety is higher.

Description

Technical Field

[0001] The invention relates to the technical field of test trolleys, and in particular to an electric power test auxiliary trolley. Background Art

[0002] A substation is a place in the power system that transforms voltage and current, receives and distributes electric energy. The substation in a power plant is a step-up substation, which boosts the electric energy generated by the generator and feeds it into the high-voltage power grid. When performing maintenance work on the substation, it is often necessary to perform corresponding test operations, so it is necessary to set up a corresponding test auxiliary vehicle.

[0003] For example, the battery trolley and battery trolley combination for the substation battery discharge test disclosed in Chinese patent CN216886821U improves the efficiency of battery loading and unloading and transportation, reduces the time of on-site assembly and wiring of batteries, improves efficiency, and reduces the potential safety hazards in the process of on-site assembly and wiring of batteries. However, the following problems still exist during its use:

[0004] Since the other end of the single-core high-current terminal block is located outside the vehicle body, it is inconvenient to provide safety protection for exposed parts such as the terminal block when used outdoors, which can easily cause danger and has low safety. Summary of the invention

[0005] The purpose of the present invention is to provide an electric power test auxiliary vehicle to solve the technical problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an electric power test auxiliary trolley, comprising a vehicle body, wherein wheels are fixedly connected to the four bottom corners of the vehicle body, a protective cover is sleeved on the outer wall of the vehicle body, a push handle is fixedly connected to the outer wall of one side of the protective cover, a U-shaped opening is provided on one side of the protective cover, and limiting slide grooves are provided on the inner walls on both sides of the protective cover, respectively, magnetic positioning blocks matched with the limiting slide grooves are fixedly connected to the outer walls of the limiting slide grooves on both sides of the vehicle body, the inner walls of the limiting slide grooves are slidably connected to the outer walls of the magnetic positioning blocks, and the inner wall of the limiting slide groove at the lowest position is magnetically attracted to the magnetic positioning block, a fixed slot is provided on the outer wall of one side of the vehicle body, and a fixing device is provided on one side of the protective cover.

[0007] The fixing device comprises a circular block, which is fixedly installed inside the protective cover, and a circular hole is opened inside the circular block. When the bottom inner wall of the limiting sliding groove is in contact with the bottom outer wall of the magnetic positioning block, the position of the fixed slot corresponds to the position of the circular hole. A rotating sleeve is arranged inside the circular hole, and a receiving groove is opened inside the rotating sleeve. A threaded rod is connected to the internal thread of the rotating sleeve, and a rotating block is fixedly connected to one side of the threaded rod, and a rotating rod is fixedly connected to the other side of the threaded rod. A telescopic spring is sleeved on the outer wall of the rotating rod, and a connecting column is fixedly connected to a side of the rotating rod away from the threaded rod. A groove is opened on the outer wall of the connecting column, and an inclined block is hinged on the inner wall of one side of the groove. A reset spring is fixedly connected to the outer wall of one side of the inclined block, and the reset spring is fixedly connected to the inner wall of one side of the groove away from the inclined block. A hook is fixedly connected to the outer wall of one side of the inclined block, and the outer wall of one side of the inclined block away from the hook is in contact with the outer wall of one side of the rotating sleeve, and the hook is mutually engaged with the inner wall of one side of the fixed slot on the side away from the inclined block.

[0008] Another purpose of the present invention is that the opened protective cover is convenient for taking out the power tool, and the rotating plate can be used as a storage function, thereby improving the utilization rate of the rotating plate, facilitating the maintenance work of the maintenance personnel, improving the work efficiency, and achieving better use effect. Therefore, based on the above technical solution, the present invention also proposes the following technical solution:

[0009] Preferably, the inner walls on both sides of the protective cover are respectively hinged with rotating plates, and the inner walls on both sides of the protective cover are respectively provided with side grooves, and the inner walls on one side of the two side grooves are respectively fixedly connected with springs 1, and the side of the spring 1 away from the side groove is fixedly connected to the top outer wall of the rotating plate.

[0010] Preferably, a magnetic plate is fixedly connected to each other's side of the two rotating plates, and the two magnetic plates are magnetically attracted to each other. A limiting slot is provided on the inner wall of one side of the protective cover, and a limiting stopper is inserted into the inner wall of one side of the limiting slot.

[0011] Preferably, the bottom outer wall of the limit stop is in contact with the top outer wall of the rotating plate, and a second spring is fixedly connected to one side of the limit stop located inside the limit slot, and a side of the second spring away from the limit stop is fixedly connected to an inner wall of one side of the limit slot.

[0012] Preferably, a partition is fixedly connected to the bottom inner wall of the vehicle body, a battery is fixedly connected to the bottom inner wall of the vehicle body, an opening is provided on one side of the vehicle body, and a terminal block is hingedly connected to the top inner wall of the opening.

[0013] Preferably, a baffle is fixedly connected to an inner wall of one side of the vehicle body close to the opening, and a buffer spring is fixedly connected to an outer wall of one side of the baffle.

[0014] Preferably, the side of the buffer spring away from the baffle is fixedly connected to the wiring board.

[0015] Preferably, a power line is fixedly connected to one side of the terminal board, and a side of the power line away from the terminal board is fixedly connected to the top of the battery.

[0016] Compared with the related art, the electric power test auxiliary vehicle provided by the present invention has the following beneficial effects:

[0017] 1. The present invention provides an electric power test auxiliary trolley. When the protective cover is moved up and down, the inner wall of the limit slide groove and the outer wall of the magnetic positioning block slide relative to each other, which plays a role in limiting the position of the protective cover. When the protective cover moves upward to the bottom of the limit slide groove and fits the bottom of the magnetic positioning block, the protective cover stops moving due to the limit of the magnetic positioning block, and the outer wall of the magnetic positioning block and the inner wall of the limit slide groove fit part are magnetically fixed. At this time, the positions of the fixed slot and the circular hole correspond to each other. The fixing device is pushed as a whole to the side close to the vehicle body. When the hook is extended into the interior of the fixed slot, the rotating The movable sleeve is rotated manually, and when the rotating sleeve rotates on the outer wall of the threaded rod, it gradually moves to the side away from the inclined block, and always fits with the outer wall of one side of the inclined block. The inclined block gradually rotates, and the return spring in the squeezed state gradually pops out, and the hook rotates accordingly to be plugged and fixed with the inner wall of the fixed slot. The hook and the fixed slot are conveniently plugged into each other to fix the protective cover on the vehicle body, which is convenient for taking the power test and maintenance tools inside the vehicle body. It is portable and has better use effect. After the test is completed, the protective cover is convenient for outdoor use to reset and provide safety protection for the exposed parts, which is safer.

[0018] 2. The present invention provides an electric power test auxiliary trolley. When the protective cover gradually moves upward to open, the rotating plate rotates from a vertical state to a nearly parallel state, and when the two rotating plates gradually rotate to be on the same horizontal line, the two ends of the fixing spring are fixed after magnetic attraction between the magnetic plates, so that it can be extended and retracted with the rotation of the rotating plate. During the rotation of the rotating plate, the limit stopper is squeezed to move into the interior of the limit slot. After the rotating plate is fixed, the limit stopper extends out of the interior of the limit slot. The limit stopper is used to limit and block the rotating plate. The bottom outer wall of the limit stopper is in contact with the top outer wall of the rotating plate, so that the limit stopper is used to limit and block the rotating plate. The opened protective cover is convenient for taking power tools, and the rotating plate can be used as a storage function, thereby improving the utilization rate of the rotating plate, facilitating the maintenance work of maintenance personnel, improving work efficiency, and achieving better use effect.

[0019] 3. The present invention provides an electric power test auxiliary trolley. When the protective cover moves upward, the terminal block on one side of the vehicle body is exposed, and the buffer spring pops out automatically. The exposed terminal block is convenient for operators to use for power supply during electric power tests. The terminal block is powered by a battery, which is convenient for the terminal block to be used for power supply during external test operations, and the use effect is better. After the electric power test operation is completed, the protective cover is moved downward to reset, and the protective cover gradually squeezes the terminal block to block and limit it, which has a better protection effect and higher safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0021] Figure 1 It is a three-dimensional diagram of the overall structure of the present invention;

[0022] Figure 2 It is a disassembled diagram of the overall structure of the present invention;

[0023] Figure 3 It is a cross-sectional view of the internal structure of the present invention;

[0024] Figure 4 It is a cross-sectional view of the internal structure of the present invention;

[0025] Figure 5 It is a structural stereogram of the limit stopper of the present invention;

[0026] Figure 6 It is a schematic diagram of the internal structure of the limit stopper of the present invention;

[0027] Figure 7 For the present invention Figure 4 A schematic diagram of the structure enlargement in the middle;

[0028] Figure 8 It is a structural stereogram of the fixing device of the present invention;

[0029] Fig. 9 It is a structural stereogram of the fixing device of the present invention from another direction;

[0030] Fig.10 It is a schematic diagram of the internal structure of the fixing device of the present invention.

[0031] In the figure: 1. body; 2. wheel; 3. protective cover; 4. push handle; 5. U-shaped mouth; 6. limit slide groove; 7. magnetic positioning block; 8. fixed slot; 9. fixing device; 901. round block; 902. round hole; 903. rotating sleeve; 904. accommodating groove; 905. threaded rod; 906. rotating block; 907. rotating rod; 908. telescopic spring; 909. connecting column; 910. groove; 911. oblique block; 912. reset spring; 913. hook; 10. rotating plate; 11. side groove; 12. spring one; 13. magnetic plate; 14. limit slot; 15. limit block; 16. spring two; 17. partition; 18. battery; 19. opening; 20. terminal block; 21. baffle; 22. buffer spring; 23. power cord. DETAILED DESCRIPTION

[0032] Embodiment 1:

[0033] See also Figure 1-Figure 2 and Figure 8-Figure 10 The present invention provides a technical solution: an electric power test auxiliary trolley, comprising a body 1, wheels 2 are fixedly connected to the four corners of the bottom of the body 1, a protective cover 3 is sleeved on the outer wall of the body 1, a push handle 4 is fixedly connected to the outer wall of one side of the protective cover 3, a U-shaped opening 5 is opened on one side of the protective cover 3, and a limited sliding groove 6 is opened on the inner walls of both sides of the protective cover 3, and magnetic positioning blocks 7 adapted to the limited sliding groove 6 are fixedly connected to the outer walls of the limited sliding groove 6 on both sides of the outer walls of the magnetic positioning block 7, and the inner wall of the limited sliding groove 6 is slidably connected to the outer wall of the magnetic positioning block 7, and the inner wall of the limited sliding groove 6 at the lowest position is magnetically attracted to the magnetic positioning block 7, wherein, when the protective cover 3 is moved up and down, the inner wall of the limited sliding groove 6 and the outer wall of the magnetic positioning block 7 slide relative to each other, which plays a role in limiting the protective cover 3, and the lowest part of the limited sliding groove 6 and the magnetic positioning block 7 are conveniently fixed after magnetic attraction, a fixed slot 8 is opened on the outer wall of one side of the body 1, and a fixing device 9 is arranged on one side of the protective cover 3.

[0034] The fixing device 9 includes a circular block 901, which is fixedly installed inside the protective cover 3. A circular hole 902 is opened inside the circular block 901. When the bottom inner wall of the limiting slide 6 is in contact with the bottom outer wall of the magnetic positioning block 7, the position of the fixed slot 8 corresponds to the position of the circular hole 902. When the protective cover 3 moves upward to the bottom of the limiting slide 6 and is in contact with the bottom of the magnetic positioning block 7, the protective cover 3 stops moving due to the limiting of the magnetic positioning block 7, and the outer wall of the magnetic positioning block 7 is magnetically fixed to the inner wall of the limiting slide 6. At this time, the positions of the fixed slot 8 and the circular hole 902 correspond to each other, which is convenient for fixing the fixing device 9. A rotating sleeve 903 is provided inside the circular hole 902. A receiving groove 904 is opened inside the rotating sleeve 903. A threaded rod 905 is connected to the inner thread of the rotating sleeve 903. A rotating block 906 is fixedly connected to one side of the threaded rod 905, and a rotating rod 907 is fixedly connected to the other side of the threaded rod 905. The outer wall of the rotating rod 907 A telescopic spring 908 is sleeved, and a connecting column 909 is fixedly connected to the side of the rotating rod 907 away from the threaded rod 905. A groove 910 is opened on the outer wall of the connecting column 909, and an inclined block 911 is hinged on the inner wall of one side of the groove 910. A return spring 912 is fixedly connected to the outer wall of one side of the inclined block 911. The side of the return spring 912 away from the inclined block 911 is fixedly connected to the inner wall of one side of the groove 910, wherein both ends of the return spring 912 are fixed, so that it is convenient to rotate with the inclined block 911 When stretched back and forth, a hook 913 is fixedly connected to an outer wall of one side of the inclined block 911, and an outer wall of the side of the inclined block 911 away from the hook 913 fits with an outer wall of one side of the rotating sleeve 903, wherein the rotating sleeve 903 is convenient to push the inclined block 911 to rotate when the outer wall of the threaded rod 905 rotates, and a side of the hook 913 away from the inclined block 911 is engaged with an inner wall of one side of the fixed slot 8, wherein the hook 913 and the fixed slot 8 are conveniently plugged into each other and then fixed to the protective cover 3 on the vehicle body 1.

[0035] In this embodiment, when the protective cover 3 is moved up and down, the inner wall of the limiting slide groove 6 and the outer wall of the magnetic positioning block 7 slide relative to each other, which plays a role in limiting the protective cover 3. When the protective cover 3 moves upward to the bottom of the limiting slide groove 6 and fits with the bottom of the magnetic positioning block 7, the protective cover 3 stops moving due to the limit of the magnetic positioning block 7, and the outer wall of the magnetic positioning block 7 and the inner wall of the limiting slide groove 6 are magnetically fixed. At this time, the positions of the fixing slot 8 and the circular hole 902 correspond to each other, and the fixing device 9 is pushed as a whole to the side close to the vehicle body 1, and the hook 913 is inserted into the fixing slot When the rotating sleeve 903 is inside the slot 8, the rotating sleeve 903 is manually rotated. When the rotating sleeve 903 rotates on the outer wall of the threaded rod 905, it gradually moves to the side away from the inclined block 911, and is always in contact with the outer wall of one side of the inclined block 911. The inclined block 911 gradually rotates, and the return spring 912 in the squeezed state gradually pops out, and the hook 913 rotates accordingly until it is plugged and fixed with the inner wall of the fixed slot 8. The hook 913 and the fixed slot 8 are conveniently plugged into each other to fix the protective cover 3 on the vehicle body 1, which makes it convenient to take out the power test and maintenance tools inside the vehicle body 1. The operation is portable and the use effect is better.

[0036] Embodiment 2:

[0037] See also Figure 3-Figure 6 As shown, on the basis of the first embodiment, the present invention provides a technical solution: the inner walls on both sides of the protective cover 3 are respectively hinged with rotating plates 10, the inner walls on both sides of the protective cover 3 are respectively provided with side grooves 11, the inner walls on one side of the two side grooves 11 are respectively fixedly connected with springs 12, the side of the spring 12 away from the side groove 11 is fixedly connected to the top outer wall of the rotating plate 10, wherein the two ends of the spring 12 are fixed to facilitate the extension and retraction with the rotation of the rotating plate 10, the sides of the two rotating plates 10 close to each other are respectively fixedly connected with magnetic plates 13, the two magnetic plates 13 are magnetically attracted to each other, wherein the rotating plate 10 rotates When it moves to the same horizontal line, the magnetic plates 13 are conveniently fixed after magnetic attraction, and a limiting slot 14 is provided on the inner wall of one side of the protective cover 3, and a limiting block 15 is inserted into the inner wall of one side of the limiting slot 14, and the bottom outer wall of the limiting block 15 is in contact with the top outer wall of the rotating plate 10, wherein the limiting block 15 is used to limit and block the rotating plate 10, and a spring 2 16 is fixedly connected to one side of the limiting block 15 located inside the limiting slot 14, and a side of the spring 2 16 away from the limiting block 15 is fixedly connected to an inner wall of one side of the limiting slot 14, wherein the spring 2 16 is conveniently extended and retracted with the movement of the limiting block 15.

[0038] When the protective cover 3 is gradually moved upward to be opened, the rotating plate 10 is rotated from a vertical state to a nearly parallel state, and when the two rotating plates 10 are gradually rotated to be located on the same horizontal line, the two ends of the fixing spring 12 are fixed after the magnetic attraction between the magnetic plates 13, so that the fixing spring 12 can be extended and retracted conveniently with the rotation of the rotating plate 10. During the rotation of the rotating plate 10, the limiting stopper 15 is squeezed to move into the limiting slot 14. After the rotating plate 10 is fixed, the limiting stopper 15 extends out of the limiting slot 14. The limiting stopper 15 is used to limit and block the rotating plate 10. The bottom outer wall of the limiting stopper 15 is in contact with the top outer wall of the rotating plate 10, so that the limiting stopper 15 is used to limit and block the rotating plate 10. The opened protective cover 3 is convenient for taking power tools, and the rotating plate 10 can be used for storage, thereby improving the utilization rate of the rotating plate 10, facilitating the maintenance work of maintenance personnel, improving work efficiency, and achieving better use effect.

[0039] Embodiment three:

[0040] See also Figure 3-Figure 4 and Figure 7 As shown, on the basis of the first and second embodiments, the present invention provides a technical solution: a partition 17 is fixedly connected to the bottom inner wall of the vehicle body 1, a battery 18 is fixedly connected to the bottom inner wall of the vehicle body 1, an opening 19 is opened on one side of the vehicle body 1, a terminal block 20 is hinged on the top inner wall of the opening 19, a baffle 21 is fixedly connected to the inner wall of the vehicle body 1 on one side close to the opening 19, a buffer spring 22 is fixedly connected to the outer wall of one side of the baffle 21, and the side of the buffer spring 22 away from the baffle 21 is fixedly connected to the terminal block 20, wherein the buffer spring 22 is used to connect the terminal block 20 and can play a buffering role on the terminal block 20, a power line 23 is fixedly connected to one side of the terminal block 20, and the side of the power line 23 away from the terminal block 20 is fixedly connected to the top of the battery 18, wherein the terminal block 20 is powered by the battery 18, which facilitates the use of the terminal block 20 for power supply during external test operations, and has a better use effect.

[0041] In this embodiment, when the protective cover 3 moves upward, the terminal block 20 on one side of the vehicle body 1 is exposed, and the buffer spring 22 pops out automatically. The exposed terminal block 20 is convenient for the operator to use for power supply during power testing. The terminal block 20 is powered by the battery 18, which makes it convenient to use the terminal block 20 for power supply during external test operations, and the use effect is better. After the power test operation is completed, the protective cover 3 is moved downward and reset. The protective cover 3 gradually squeezes the terminal block 20 to block and limit it, which has a better protection effect and higher safety.

[0042] Working principle:

[0043] When in use, first, when the protective cover 3 is moved up and down, the inner wall of the limiting slide groove 6 and the outer wall of the magnetic positioning block 7 slide relative to each other, which plays a role in limiting the protective cover 3. When the protective cover 3 moves upward to the bottom of the limiting slide groove 6 and fits with the bottom of the magnetic positioning block 7, the protective cover 3 stops moving due to the limit of the magnetic positioning block 7, and the outer wall of the magnetic positioning block 7 and the inner wall of the limiting slide groove 6 are magnetically fixed. At this time, the positions of the fixing slot 8 and the circular hole 902 correspond to each other, and the fixing device 9 is pushed as a whole to the side close to the vehicle body 1, and the hook 913 is inserted into the fixing slot When the rotating sleeve 903 is inside the slot 8, the rotating sleeve 903 is manually rotated. When the rotating sleeve 903 rotates on the outer wall of the threaded rod 905, it gradually moves to the side away from the inclined block 911, and always fits with the outer wall of one side of the inclined block 911. The inclined block 911 gradually rotates, and the return spring 912 in the squeezed state gradually pops out, and the hook 913 rotates accordingly to be plugged and fixed with the inner wall of the fixed slot 8. The hook 913 and the fixed slot 8 are conveniently plugged into each other to fix the protective cover 3 on the vehicle body 1, so that it is convenient to take the power test and maintenance tools inside the vehicle body 1, which is easy to operate and portable, and has a better use effect.

[0044] Secondly, when the protective cover 3 is gradually moved upward and opened, the rotating plate 10 is rotated from the vertical state to a nearly parallel state, and when the two rotating plates 10 are gradually rotated to be located at the same horizontal line, the two ends of the convenient fixing spring 12 are fixed after the magnetic attraction between the magnetic plates 13, and the convenience is extended and retracted with the rotation of the rotating plate 10. During the rotation of the rotating plate 10, the limit stopper 15 is squeezed to move into the inside of the limit slot 14. After the rotating plate 10 is fixed, the limit stopper 15 extends out of the inside of the limit slot 14, and the limit stopper 15 is used to limit and block the rotating plate 10. The bottom outer wall of the limit stopper 15 is in contact with the top outer wall of the rotating plate 10, so that the limit stopper 15 is used to limit and block the rotating plate 10. The opened protective cover 3 is convenient for taking power tools, and the rotating plate 10 can be used for storage, thereby improving the utilization rate of the rotating plate 10, facilitating the maintenance work of maintenance personnel, improving work efficiency, and achieving better use effect;

[0045] Finally, when the protective cover 3 moves upward, the terminal block 20 on one side of the vehicle body 1 is exposed, and the buffer spring 22 pops out automatically. The exposed terminal block 20 is convenient for the operator to use for power supply during the power test. The terminal block 20 is powered by the battery 18, which makes it convenient to use the terminal block 20 for power supply during external test operations, and the use effect is better. After the power test operation is completed, the protective cover 3 is moved downward and reset. The protective cover 3 gradually squeezes the terminal block 20 to block and limit it, which has a better protection effect and higher safety.

Claims

1. An electric power test auxiliary vehicle, comprising a vehicle body (1), characterized in that: The four corners of the bottom of the vehicle body (1) are respectively fixedly connected to wheels (2); the outer wall of the vehicle body (1) is sleeved with a protective cover (3); a push handle (4) is fixedly connected to the outer wall of one side of the protective cover (3); a U-shaped opening (5) is provided on one side of the protective cover (3); the inner walls of both sides of the protective cover (3) are respectively provided with limit slide grooves (6); the outer walls of both sides of the vehicle body (1) are respectively fixedly connected to magnetic positioning blocks (7) adapted to the limit slide grooves (6); the inner wall of the limit slide groove (6) is slidably connected to the outer wall of the magnetic positioning block (7); the inner wall of the limit slide groove (6) at the lowest position is magnetically attracted to the magnetic positioning block (7); a fixed slot (8) is provided on the outer wall of one side of the vehicle body (1); and a fixing device (9) is provided on one side of the protective cover (3); The fixing device (9) comprises a circular block (901), the circular block (901) being fixedly mounted inside the protective cover (3), the circular block (901) being provided with a circular hole (902), when the bottom inner wall of the limiting slide groove (6) is in contact with the bottom outer wall of the magnetic positioning block (7), the position of the fixing slot (8) corresponds to the position of the circular hole (902), a rotating sleeve (903) is provided inside the circular hole (902), a receiving groove (904) is provided inside the rotating sleeve (903), a threaded rod (905) is connected to the inside of the rotating sleeve (903), one side of the threaded rod (905) is fixedly connected to the rotating block (906), the other side of the threaded rod (905) is fixedly connected to the rotating rod (907), and the outer wall of the rotating rod (907) is sleeved A telescopic spring (908) is connected, a side of the rotating rod (907) away from the threaded rod (905) is fixedly connected to a connecting column (909), an outer wall of the connecting column (909) is provided with a groove (910), an inner wall of one side of the groove (910) is hingedly connected to an inclined block (911), an outer wall of one side of the inclined block (911) is fixedly connected to a return spring (912), a side of the return spring (912) away from the inclined block (911) is fixedly connected to an inner wall of one side of the groove (910), a hook (913) is fixedly connected to an outer wall of one side of the inclined block (911), an outer wall of a side of the inclined block (911) away from the hook (913) is fitted with an outer wall of a side of the rotating sleeve (903), and a side of the hook (913) away from the inclined block (911) is mutually clamped with an inner wall of one side of the fixed slot (8); The inner walls on both sides of the protective cover (3) are respectively hinged with rotating plates (10), and the inner walls on both sides of the protective cover (3) are respectively provided with side grooves (11), and the inner walls on one side of the two side grooves (11) are respectively fixedly connected with springs 1 (12), and the side of the spring 1 (12) away from the side groove (11) is fixedly connected to the top outer wall of the rotating plate (10); A partition (17) is fixedly connected to the bottom inner wall of the vehicle body (1), a storage battery (18) is fixedly connected to the bottom inner wall of the vehicle body (1), an opening (19) is provided on one side of the vehicle body (1), and a wiring board (20) is hingedly connected to the top inner wall of the opening (19); the storage battery (18) supplies power to the wiring board (20); A baffle (21) is fixedly connected to an inner wall of one side of the vehicle body (1) close to the opening (19), and a buffer spring (22) is fixedly connected to an outer wall of one side of the baffle (21); When the protective cover (3) gradually moves upward and opens, the rotating plate (10) rotates from a vertical state to a nearly parallel state, and the wiring board (20) on one side of the vehicle body (1) is exposed, and the buffer spring (22) automatically pops out.

2. The electric power test auxiliary vehicle according to claim 1, characterized in that: A magnetic plate (13) is fixedly connected to each other on one side of the two rotating plates (10) that are close to each other, and the two magnetic plates (13) are magnetically attracted to each other. A limiting slot (14) is provided on an inner wall of one side of the protective cover (3), and a limiting stopper (15) is inserted into an inner wall of one side of the limiting slot (14).

3. The electric power test auxiliary vehicle according to claim 2, characterized in that: The bottom outer wall of the limit stopper (15) is in contact with the top outer wall of the rotating plate (10); a side of the limit stopper (15) located inside the limit slot (14) is fixedly connected to a second spring (16); a side of the second spring (16) away from the limit stopper (15) is fixedly connected to an inner wall of one side of the limit slot (14).

4. The electric power test auxiliary vehicle according to claim 3, characterized in that: The side of the buffer spring (22) away from the baffle (21) is fixedly connected to the wiring board (20).

5. The electric power test auxiliary vehicle according to claim 4, characterized in that: A power line (23) is fixedly connected to one side of the wiring board (20), and a side of the power line (23) away from the wiring board (20) is fixedly connected to the top of the storage battery (18).

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