Electricity testing handcart for mid-set switch cabinet

By designing a power test rod that can adjust the height and move left and right, the problem that existing power test handcars cannot adapt to switch cabinets of different sizes and layouts is solved, and more efficient and accurate power test operations are achieved, and the versatility and safety of the equipment are improved.

CN222591506UActive Publication Date: 2025-03-11SHANGHAI DAJING ELECTRICAL EQUIP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421247339.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-03
Publication Date
2025-03-11
Estimated Expiration
2034-06-03

AI Technical Summary

Technical Problem

The fixed electric test rod design of existing mid-mounted switch cabinets for electric testers cannot adapt to the internal space of the switch cabinet of different heights or depths, resulting in poor power test results, especially when facing switch cabinets with design or specification changes.

Method used

A mid-mounted electric tester for switch cabinets is designed. The height of the electric test rod can be adjusted by the coordination of the threaded rod and the threaded sleeve, and the left and right adjustment is achieved through the coordination of the moving block and the screw, ensuring that the electric test rod is suitable for switch cabinets of different sizes and layouts.

Benefits of technology

Through the functions of height and left and right adjustment, the electric vehicle can perform electric vehicle more conveniently and accurately, which improves work efficiency, reduces the risk of misjudgment or missed inspection, and enhances the versatility and adaptability of the electric vehicle.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222591506U_ABST
    Figure CN222591506U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of electricity testing handcarts, and discloses an electricity testing handcart for a centrally-mounted switch cabinet, which comprises an electricity testing handcart body, a first sliding groove is formed in the electricity testing handcart body, a movable block is movably installed in the first sliding groove, a fixed plate is fixedly installed at the top of the movable block, and a movable block is movably installed in the fixed plate. And a box body is fixedly mounted at the top of the fixing plate, a threaded sleeve is mounted in the box body, and a threaded rod is movably mounted in the threaded sleeve. Compared with a traditional electricity testing handcart, the electricity testing handcart provided by the utility model is convenient for adjusting the height of the electricity testing rod through the cooperation between the threaded rod and the threaded sleeve, so that the electricity testing rod can adapt to switch cabinets with different heights, an operator can perform electricity testing operation more conveniently and accurately, the working efficiency is improved, and the labor intensity of the operator is reduced. By adjusting the height of the electricity testing rod, the safe distance between the electricity testing rod and the middle-mounted switch cabinet can be ensured.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of an electric test trolley, and more specifically, to an electric test trolley for a center-mounted switch cabinet. Background Art

[0002] The electric test cart for center-mounted switch cabinet is an electric test tool specially designed for center-mounted switch cabinet. It integrates an electric test device and a mobile cart, which is convenient and safe. The equipped electric tester or electric test rod can accurately detect the voltage and current conditions in the switch cabinet to ensure safe and worry-free operation. The design of the fixed electric test rod in the prior art, although ensuring the stability and reliability of the electric test cart, also brings certain limitations. Since the electric test rod is fixed, it may not be able to adapt to the internal space of the switch cabinet of different heights or depths, which may result in poor electric test results in some cases. Especially when facing a switch cabinet with a changed design or specification, the fixed electric test rod may not be able to adapt to the new size of the electric test port, making the entire electric test cart unable to be used normally. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the utility model provides an electric test trolley for a center-mounted switch cabinet, which has the advantage of being easy to adjust the height of the electric test rod.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electric test trolley for a center-mounted switch cabinet, comprising an electric test trolley, a slide groove 1 is provided inside the electric test trolley, a moving block is movably installed inside the slide groove 1, a fixing plate is fixedly installed on the top of the moving block, a box is fixedly installed on the top of the fixing plate, a threaded sleeve is installed inside the box, a threaded rod is movably installed inside the threaded sleeve, a tooth 1 is fixedly installed on the outer surface of the threaded rod, a support frame is fixedly installed inside the box, a motor 2 is fixedly installed on the top of the support frame, a gear 3 is fixedly installed on one end of the motor 2, and the teeth on the outer surface of the gear 3 are meshed with the threaded rod;

[0005] A fixing block is fixedly installed on the top of the threaded sleeve, and an electric test rod is fixedly installed on the outer surface of the fixing block, and the electric test rod presents two shapes of the same size.

[0006] As a preferred technical solution of the utility model, a screw rod is movably installed inside the movable block, and the screw rod completely penetrates the interior of the electrical test trolley, a gear 1 is fixedly installed on one end of the screw rod, a motor 1 is fixed on the outer surface of the electrical test trolley, a gear 2 is fixedly installed on one end of the motor 1, and the teeth of gear 2 and gear 1 are meshing.

[0007] As a preferred technical solution of the utility model, a second slide groove is provided inside the electrical testing trolley, a slider is movably installed inside the second slide groove, and the slider is fixedly connected to the fixing plate.

[0008] As a preferred technical solution of the utility model, a limiting groove is provided inside the electrical testing trolley, and a tool box is movably installed inside the limiting groove.

[0009] As a preferred technical solution of the utility model, wheels are movably installed at the bottom of the electrical test cart, a rotating shaft is fixedly installed between two of the wheels, and the rotating shafts and wheels are grouped in pairs, with a total of two groups at the bottom of the electrical test cart.

[0010] As a preferred technical solution of the utility model, a telescopic rod is fixedly installed between the box body and the fixed block, and the telescopic rod presents four shapes of the same size.

[0011] As a preferred technical solution of the utility model, a handrail is fixedly installed on the top of the electrical testing trolley, and the handrail is in a U-shape.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. Compared with the traditional electric test trolley, the utility model facilitates the adjustment of the height of the electric test rod through the cooperation between the threaded rod and the threaded sleeve, so that the electric test rod can adapt to switch cabinets of different heights, so that operators can perform electric test operations more conveniently and accurately, and improve work efficiency. By adjusting the height of the electric test rod, a safe distance between the electric test rod and the central switch cabinet can be ensured, avoiding safety risks caused by accidental contact and ensuring the safety of operators. The height adjustment also enhances the versatility and adaptability of the electric test trolley, so that it can be applied to switch cabinets of more types and specifications, reducing procurement costs and maintenance costs.

[0014] 2. Compared with the traditional electric test trolley, the utility model facilitates the left and right adjustment of the electric test rod through the cooperation between the moving block and the screw rod, making the electric test operation by the electric test rod more flexible and accurate. The internal structures of switch cabinets of different models and specifications are different. The mobility of the electric test rod can easily adapt to various equipment spacing and layouts to ensure the effectiveness of the electric test work. At the same time, its flexibility also improves work efficiency and reduces the risk of misjudgment or missed detection. The electric test rod that moves left and right plays a key role in ensuring the safety of operators. It can adjust the distance from the live equipment according to needs to avoid accidental contact. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the front three-dimensional appearance structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the three-dimensional appearance structure of the back of the utility model;

[0017] Figure 3 This is a schematic diagram of the cross-sectional three-dimensional appearance structure of the threaded sleeve of the utility model;

[0018] Figure 4 For this utility model Figure 3 A is an enlarged structural diagram;

[0019] Figure 5 It is a schematic diagram of the structure of the utility model from top view.

[0020] In the figure: 1. Electricity test trolley; 2. Moving block; 3. Fixed plate; 4. Box body; 5. Threaded sleeve; 6. Fixed block; 7. Electricity test rod; 8. Slider; 9. Handrail; 10. Tool box; 11. Limiting groove; 12. Screw rod; 13. Slideway 1; 14. Gear 1; 15. Gear 2; 16. Motor 1; 17. Slideway 2; 18. Threaded rod; 19. Telescopic rod; 20. Gear 3; 21. Tooth 1; 22. Motor 2; 23. Support frame; 24. Wheel; 25. Rotating axis. DETAILED DESCRIPTION

[0021] 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.

[0022] like Figures 1 to 5 As shown, the utility model provides an electric test trolley for a center-mounted switch cabinet, including an electric test trolley 1, a slide slot 13 is provided inside the electric test trolley 1, a moving block 2 is movably installed inside the slide slot 13, a fixing plate 3 is fixedly installed on the top of the moving block 2, a box 4 is fixedly installed on the top of the fixing plate 3, a threaded sleeve 5 is installed inside the box 4, a threaded rod 18 is movably installed inside the threaded sleeve 5, a tooth 1 21 is fixedly installed on the outer surface of the threaded rod 18, a support frame 23 is fixedly installed inside the box 4, a motor 22 is fixedly installed on the top of the support frame 23, a gear 3 20 is fixedly installed on one end of the motor 22, and the teeth on the outer surface of the gear 3 20 are meshed with the threaded rod 18;

[0023] A fixing block 6 is fixedly mounted on the top of the threaded sleeve 5 , and an electric test rod 7 is fixedly mounted on the outer surface of the fixing block 6 , and the electric test rod 7 presents two shapes of the same size.

[0024] The staff needs to adjust the height of the test rod 7 according to the corresponding position of the static contact on the line side in the center-mounted switch cabinet, by turning on the motor 22 at the top of the support frame 23, and driving the gear 3 20 to rotate through the motor 22, and then meshing the teeth between the gear 3 20 and the tooth 1 21, and driving the tooth 1 21 to rotate through the gear 3 20, and then driving the threaded rod 18 to rotate inside the gear 14 through the tooth 1 21, and then driving the threaded rod 18 to rotate inside the threaded sleeve 5, so that the threaded sleeve 5 is slowly raised, and the fixed block 6 and the test rod 7 are slowly raised through the threaded sleeve 5, so that the test rod 7 moves to a suitable position, thereby completing the height adjustment of the test rod 7.

[0025] The staff needs to adjust the height of the test rod 7 according to the corresponding position of the static contact on the line side in the central switch cabinet, and turn on the motor 22 at the top of the support frame 23, and drive the gear 3 20 to rotate through the motor 22, and drive the tooth 1 21 to rotate through the gear 3 20, and then drive the threaded rod 18 to rotate inside the gear 14 through the tooth 1 21, and then drive the threaded rod 18 to rotate inside the threaded sleeve 5, so that the threaded sleeve 5 is slowly raised, and the fixed block 6 and the test rod 7 are slowly raised through the threaded sleeve 5, so that the test rod 7 moves to a suitable position, which is different from the traditional Compared with the electric test trolley, the electric test trolley facilitates the adjustment of the height of the electric test rod 7 through the cooperation between the threaded rod 18 and the threaded sleeve 5, so as to ensure that the electric test rod 7 can adapt to switch cabinets of different heights, so that the operator can perform the electric test operation more conveniently and accurately, thereby improving work efficiency. By adjusting the height of the electric test rod 7, the safe distance between the electric test rod 7 and the central switch cabinet can be ensured, thereby avoiding safety risks caused by accidental contact and ensuring the safety of the operator. The height adjustment also enhances the versatility and adaptability of the electric test trolley, thereby enabling it to be applicable to switch cabinets of more types and specifications, thereby reducing procurement and maintenance costs.

[0026] Among them, a screw rod 12 is movably installed inside the moving block 2, and the screw rod 12 completely penetrates the interior of the electrical testing trolley 1, a gear 14 is fixedly installed on one end of the screw rod 12, a motor 16 is fixed on the outer surface of the electrical testing trolley 1, a gear 2 15 is fixedly installed on one end of the motor 16, and the teeth of the gear 2 15 and the gear 14 are meshing.

[0027] The staff needs to adjust the left and right distance of the test rod 7 according to the type of switch cabinet, by turning on the motor 16, and driving the gear 2 15 to rotate through the motor 16, and the gear 14 is engaged with the teeth of the gear 2 15, and the gear 14 is driven to rotate through the gear 2 15, and then the screw rod 12 is driven to rotate inside the test trolley 1 through the gear 14, and then the screw rod 12 is driven to rotate inside the moving block 2, so that the moving block 2 moves inside the slide slot 13, and the moving block 2 moves inside the slide slot 13 to drive the test rod 7 to be adjusted left and right, thereby completing the left and right adjustment of the test rod 7.

[0028] It is necessary to adjust the left and right distance of the test rod 7 according to the type of switch cabinet, by turning on the motor 16, the motor 16 drives the gear 2 15 to rotate, and the teeth of the gear 2 15 and the gear 14 are engaged, and the screw rod 12 is driven to rotate inside the test cart 1 through the gear 14, and the screw rod 12 is rotated inside the moving block 2, so that the moving block 2 moves inside the slide slot 13, and the test rod 7 is driven to adjust left and right by the moving block 2 inside the slide slot 13. Compared with the traditional test cart, this Through the cooperation between the moving block 2 and the screw rod 12, it is convenient to adjust the test rod 7 left and right, making the test operation through the test rod 7 more flexible and accurate. The internal structures of switch cabinets of different models and specifications are different. The mobility of the test rod 7 can easily adapt to various equipment spacing and layouts to ensure the effectiveness of the test work. At the same time, its flexibility also improves work efficiency and reduces the risk of misjudgment or missed detection. The test rod 7 that moves left and right plays a key role in ensuring the safety of operators. It can adjust the distance from the live equipment according to needs to avoid accidental contact.

[0029] A second slide groove 17 is provided inside the electrical testing trolley 1 , a slider 8 is movably installed inside the second slide groove 17 , and the slider 8 is fixedly connected to the fixing plate 3 .

[0030] The slide block 8 and the fixed plate 3 slide in the second slide groove 17 through cooperation, so that the fixed plate 3 is more stable during the movement, and the efficiency of the left and right adjustment of the electric test rod 7 is improved.

[0031] A limiting groove 11 is provided inside the electrical testing trolley 1 , and a tool box 10 is movably installed inside the limiting groove 11 .

[0032] The staff holds the tool box 10 and slowly puts the tool box 10 into the limiting groove 11, and fixes the tool box 10 through the limiting groove 11. By adding the limiting groove 11, the electric test cart 1 not only has the function of electric test, but also can conveniently carry and store various tools. When performing electric power inspection or maintenance, the staff can take out the required tools directly from the electric test cart without carrying an additional tool box, which greatly improves work efficiency and convenience.

[0033] Among them, wheels 24 are movably installed at the bottom of the electrical test trolley 1, and a rotating shaft 25 is fixedly installed between the two wheels 24. The rotating shaft 25 and the wheels 24 are grouped in pairs, and there are two groups at the bottom of the electrical test trolley 1.

[0034] Since the rotating shaft 25 and the wheels 24 are grouped in pairs, there are two groups at the bottom of the test cart 1, which makes it easy to move the test cart 1 through the cooperation between the rotating shaft 25 and the wheels 24, thereby improving the transfer efficiency of the test cart 1 and reducing the labor intensity of the staff.

[0035] Among them, a telescopic rod 19 is fixedly installed between the box body 4 and the fixed block 6, and the telescopic rod 19 presents four shapes of the same size.

[0036] Since the telescopic rods 19 present four shapes of the same size, it is convenient to support the fixing block 6 and the electric test rod 7 during their ascent, thereby ensuring the stability of the fixing block 6 and the electric test rod 7 during their ascent.

[0037] A handrail 9 is fixedly installed on the top of the electrical testing trolley 1, and the handrail 9 is in a U-shape.

[0038] Since the handrail 9 is in a U-shape at the top of the electric test trolley 1, the design of the U-shaped handrail 9 enables the operator to hold the handrail more stably when pushing or operating the electric test trolley. This design provides a larger contact area, reduces the possibility of hand sliding, and thus improves the stability of operation.

[0039] The working principle and use process of this utility model:

[0040] The staff needs to adjust the height of the test rod 7 according to the corresponding position of the static contact on the line side in the center-mounted switch cabinet, by turning on the motor 22 at the top of the support frame 23, and driving the gear 3 20 to rotate through the motor 22, and then meshing the teeth between the gear 3 20 and the tooth 1 21, and driving the tooth 1 21 to rotate through the gear 3 20, and then driving the threaded rod 18 to rotate inside the gear 14 through the tooth 1 21, and then driving the threaded rod 18 to rotate inside the threaded sleeve 5, so that the threaded sleeve 5 is slowly raised, and the fixed block 6 and the test rod 7 are slowly raised through the threaded sleeve 5, so that the test rod 7 moves to a suitable position, thereby completing the height adjustment of the test rod 7.

[0041] The staff needs to adjust the left and right distance of the test rod 7 according to the type of switch cabinet, by turning on the motor 16, and driving the gear 2 15 to rotate through the motor 16, and the gear 14 is engaged with the teeth of the gear 2 15, and the gear 14 is driven to rotate through the gear 2 15, and then the screw rod 12 is driven to rotate inside the test trolley 1 through the gear 14, and then the screw rod 12 is driven to rotate inside the moving block 2, so that the moving block 2 moves inside the slide slot 13, and the moving block 2 moves inside the slide slot 13 to drive the test rod 7 to be adjusted left and right, thereby completing the left and right adjustment of the test rod 7.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0043] 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. An electric test trolley for a center-mounted switch cabinet, comprising an electric test trolley (1), characterized in that: The electrical test trolley (1) is provided with a slide groove (13) inside, a movable block (2) is movably installed inside the slide groove (13), a fixed plate (3) is fixedly installed on the top of the movable block (2), a box (4) is fixedly installed on the top of the fixed plate (3), and a threaded sleeve (5) is installed inside the box (4); A threaded rod (18) is movably mounted inside the threaded sleeve (5), a toothed portion (21) is fixedly mounted on the outer surface of the threaded rod (18), a support frame (23) is fixedly mounted inside the housing (4), a motor (22) is fixedly mounted on the top of the support frame (23), a gear (20) is fixedly mounted on one end of the motor (22), and the teeth on the outer surface of the gear (20) are meshed with the threaded rod (18); A fixing block (6) is fixedly mounted on the top of the threaded sleeve (5), and an electric test rod (7) is fixedly mounted on the outer surface of the fixing block (6), and the electric test rod (7) presents two shapes of the same size.

2. The electric test trolley for a center-mounted switch cabinet according to claim 1 is characterized in that: A screw rod (12) is movably installed inside the moving block (2), and the screw rod (12) completely penetrates the interior of the electrical test trolley (1), and a gear 1 (14) is fixedly installed on one end of the screw rod (12), and a motor 1 (16) is fixedly installed on the outer surface of the electrical test trolley (1), and a gear 2 (15) is fixedly installed on one end of the motor 1 (16), and the teeth of the gear 2 (15) and the gear 1 (14) are meshed.

3. The electric test trolley for a center-mounted switch cabinet according to claim 1 is characterized in that: A second slide groove (17) is provided inside the electrical testing trolley (1), a slider (8) is movably installed inside the second slide groove (17), and the slider (8) is fixedly connected to the fixed plate (3).

4. The electric test trolley for a center-mounted switch cabinet according to claim 1 is characterized in that: A limiting groove (11) is provided inside the electrical testing trolley (1), and a tool box (10) is movably installed inside the limiting groove (11).

5. The electric test trolley for a center-mounted switch cabinet according to claim 1 is characterized in that: The bottom of the electrical test trolley (1) is movably provided with wheels (24), a rotating shaft (25) is fixedly provided between two of the wheels (24), and the rotating shafts (25) and wheels (24) are arranged in pairs, with two groups in total at the bottom of the electrical test trolley (1).

6. The electric test trolley for a center-mounted switch cabinet according to claim 1 is characterized in that: A telescopic rod (19) is fixedly installed between the box body (4) and the fixed block (6), and the telescopic rod (19) presents four shapes of the same size.

7. The electric test trolley for a center-mounted switch cabinet according to claim 1 is characterized in that: A handrail (9) is fixedly mounted on the top of the electrical testing trolley (1), and the handrail (9) is in a U-shape.