Novel storage box for grounding resistance tester

Abstract

The utility model provides a novel storage box for a grounding resistance tester, which comprises a box body, a box cover and a placing box, trundles are arranged at the lower end of the box body, a handle is arranged on the box cover, an adjusting plate is arranged below the placing box, a rotating rod is hinged with the adjusting plate, a connecting rod is hinged with a second sliding block, and the connecting rod is connected with the second sliding block. A telescopic push rod is installed at the upper right end of the adjusting plate, the output end of the telescopic push rod is fixedly connected with the second sliding block, a buffer rubber column is fixedly installed between the adjusting plate and the mounting plate, a telescopic column is arranged between the mounting plate and the bottom plate, and a height adjusting mechanism is arranged on the right side of the mounting plate. The placing box comprises a main box body, a heat dissipation supporting plate and a tester buffer pressing column mechanism. According to the soil resistivity tester, the soil resistivity tester body can be fixed, meanwhile, damage caused by bumping of the soil resistivity tester body is avoided, the angle of the tester body can be adjusted according to use requirements, and the soil resistivity tester is convenient to use by personnel and convenient to popularize and apply.

Description

Technical Field

[0001] The utility model relates to the technical field of ground resistance testers, in particular to a novel storage box for ground resistance testers. Background Art

[0002] Resistance tester is an indispensable tool for electrical safety inspection and grounding project completion acceptance. It includes ground resistance tester, insulation resistance tester, DC resistance meter, surface resistance tester and loop resistance tester. Loop resistance meter (transformer loop resistance tester) is suitable for testing the contact resistance value of the main contact of high and low voltage switches, the DC resistance value of high and low voltage cable lines, etc. The intelligent loop resistance tester adopts 100A constant current output. The maximum output voltage is 10V (2-3 times that of conventional instruments) and can use thin test wires, which greatly reduces the labor intensity of on-site testers. The test process is all automatically implemented by single-chip control, with high accuracy, good retestability, single-button operation, simple and easy operation, and test data LCD display. Suitable for different working environments. When testing the grounding impedance performance of electrical appliances, a ground resistance tester is needed. The ground resistance tester is usually stored in a storage box and then transported.

[0003] The prior art discloses a soil resistivity tester with application number: 202320285805.X, including a box body, a fixed box fixedly installed in the box body, a soil resistivity tester body arranged in the fixed box, a slide groove is provided at both ends of the fixed box, a baffle is slidably connected in the slide groove, the baffle is arranged on the upper side of the soil resistivity tester body, and a clearance groove is provided on the fixed box, and the clearance groove is a semicircular arc groove structure; the beneficial effect is: the soil resistivity tester proposed in the utility model is provided with two groups of wedge blocks 1 on the back of the baffle, and the wedge block 1 is driven to push the wedge plate 2 backward by pushing the baffle backward, thereby driving the fastener to move to both sides, thereby facilitating the insertion of the soil resistivity tester body, and under the action of the spring, the two groups of fasteners clamp the soil resistivity tester body in the middle, and the baffle is blocked above the soil resistivity tester body to achieve the fixation of the soil resistivity tester body. However, the prior art still has the problem that it is inconvenient to adjust the height and use angle of the ground resistance tester, and it is inconvenient for personnel to see the values ​​displayed on the instrument when using it. For this reason, we propose a novel storage box for ground resistance tester to solve the above problems. Utility Model Content

[0004] In view of the shortcomings existing in the above-mentioned problems, the utility model provides a new storage box for a ground resistance tester, which can fix the body of the soil resistivity tester while preventing the body of the soil resistivity tester from being damaged by bumps. The angle of the instrument body can be adjusted according to usage requirements, which is convenient for personnel to use.

[0005] In order to solve the above problems, the technical solution provided by the utility model is as follows:

[0006] The cam body is provided with a plurality of wheels, and the plurality of wheels are provided with a plurality of handles, and the plurality of handles are provided with a plurality of handles.

[0007] Furthermore, the height adjustment mechanism includes a threaded screw, a guide rod, a connecting sleeve, a first slider and a rotating motor, the rotating motor is fixedly mounted on a fixing plate, the fixing plate is fixedly mounted on the inside of the box, the output end of the rotating motor is fixedly connected to the upper end of the threaded screw, the lower end of the threaded screw is rotatably connected to the connecting seat, the connecting seat is fixedly mounted on the upper end of the base plate, the connecting sleeve is threadedly sleeved on the outside of the threaded screw, a guide rod is fixedly mounted between the fixing plate and the base plate, the guide rod passes through the connecting sleeve and is slidably connected thereto up and down, the connecting sleeve is fixedly connected to the mounting plate via a connecting rod, the first slider is fixedly mounted on the right side of the connecting sleeve, a first sliding groove is provided on the right inner wall of the box, and the first slider is slidably connected to the first sliding groove.

[0008] Furthermore, the inner wall of the placement box is fixedly installed with multiple groups of the tester buffer pressure column mechanism, and the tester buffer pressure column mechanism includes a fixed pressure plate, a spring mounting groove, a shock-absorbing spring, a movable pressure column and a sliding pressure plate. The spring mounting groove is fixedly connected to the inner wall of the main box body, and the shock-absorbing spring is installed inside the spring mounting groove. One end of the shock-absorbing spring is fixedly connected to the inner wall of the spring mounting groove, and the other end of the shock-absorbing spring is fixedly connected to the sliding pressure plate. The sliding pressure plate is slidably connected to the inner wall of the spring mounting groove, and the sliding pressure plate is fixedly connected to the fixed pressure plate through the movable pressure column, and the movable pressure column moves through the spring mounting groove.

[0009] Furthermore, a plurality of heat dissipation cavities are evenly formed at the lower end of the heat dissipation support plate, and a heat conductive buffer layer is provided on the upper surface of the heat dissipation support plate.

[0010] Furthermore, through holes are evenly formed at the lower end of the main box body.

[0011] Furthermore, a rubber patch layer is bonded to the surface of the fixed pressing plate.

[0012] Furthermore, the telescopic column is composed of two hollow rods with different diameters that are movably connected.

[0013] Furthermore, the heat dissipation support plate is made of metal copper.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] 1. The buffer column mechanism of the tester protects the tester by absorbing and dispersing mechanical vibration and impact;

[0016] 2. The lower end of the heat dissipation tray is evenly provided with multiple heat dissipation cavities, and the upper surface of the heat dissipation tray is provided with a heat conductive cushion layer, which is usually made of highly thermally conductive and highly elastic materials, such as thermally conductive silicone sheets, thermally conductive gels, etc. These materials can effectively conduct heat away from the heat source. The heat dissipation tray is made of metal copper, which has high thermal conductivity and good electrical conductivity, and can effectively transfer heat to the air. The lower end of the heat dissipation tray is evenly provided with multiple heat dissipation cavities, which increases the heat dissipation area and further improves the heat dissipation effect. These heat dissipation cavities are in contact with the air, which can effectively take away the heat, making the heat dissipation tray more efficient;

[0017] 3. Push the second sliding block to move left and right in the second sliding slot by the telescopic push rod, and then adjust the inclination angle of the placement box to adjust the angle of the tester;

[0018] 4. A height adjustment mechanism is provided on the right side of the mounting plate, through which the height of the mounting plate is adjusted, and then the height of the placement box is adjusted.

[0019] In summary, this new storage box for ground resistance tester has wide practicality, and can solve the problem that the prior art proposed in the above background technology still has the inconvenience of adjusting the height and use angle of the ground resistance tester, and it is inconvenient for personnel to see the values ​​displayed on the instrument when using it, and has wide promotion value. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 It is a schematic diagram of the top view of the placement box of the utility model;

[0022] Figure 3 It is a structural schematic diagram of the buffer pressure column mechanism of the utility model tester;

[0023] Figure 4 It is a structural schematic diagram of a placement box of the utility model.

[0024] Description of main component symbols:

[0025] 1-box body, 101-first slide slot, 2-box cover, 3-placement box, 301-main box body, 30101-through hole, 302-heat dissipation support plate, 30201-thermal buffer cushion layer, 303-test instrument buffer pressure column mechanism, 30301-fixed pressure plate, 3030101-rubber patch layer, 30302-spring installation slot, 30203-shock-absorbing spring, 30304-movable pressure column, 30305-slide Dynamic pressure plate, 4-castor, 6-handle, 7-adjustment plate, 701-second slide groove, 8-mounting plate, 9-bottom plate, 10-telescopic column, 11-rotating rod, 12-connecting rod, 13-second sliding block, 14-telescopic push rod, 15-buffer rubber column, 16-threaded screw, 17-guide rod, 18-connecting sleeve, 19-first sliding block, 20-connecting plate, 21-fixed plate, 22-rotating motor, 23-connecting seat. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solutions and advantages of the utility model more clearly understood, the utility model is further described in detail below with reference to the accompanying drawings and examples, but the examples are not intended to limit the utility model.

[0027] like Figure 1-4 As shown, the embodiment of the utility model comprises a box body 1, a box cover 2 and a placement box 3, a caster 4 is installed at the lower end of the box body 1, a handle 6 is installed on the box cover 2, and a bottom plate 9 is fixedly installed at the lower end of the interior of the box body 1.

[0028] The placement box 3 includes a main box body 301, a heat dissipation support plate 302 and a tester buffer pressure column mechanism 303. The tester buffer pressure column mechanism 303 protects the tester by absorbing and dispersing mechanical vibration and impact.

[0029] When in use, the tester is placed in the main box body 301, and the tester is placed on the upper end of the heat dissipation support plate 302. Multiple tester buffer pressure column mechanisms 303 are against the outer surface of the tester. The heat dissipation support plate 302 is installed at the inner bottom end of the main box body 301, and multiple sets of tester buffer pressure column mechanisms 303 are fixedly installed on the inner wall of the placement box 3.

[0030] The tester's buffer pressure column mechanism 303 includes a fixed pressure plate 30301, a spring mounting groove 30302, a shock-absorbing spring 30303, a movable pressure column 30304 and a sliding pressure plate 30305. These components work together to form an effective buffer system, which can reduce the vibration and noise of the tester when it is impacted and improve the accuracy and stability of the test.

[0031] The surface of the fixed pressure plate 30301 is bonded with a rubber patch layer 3030101, and a side of the rubber patch layer 3030101 close to the tester is provided with anti-skid stripes, which can increase the friction with the test surface and improve the stability of the fixed pressure plate 30301. The spring installation groove 30302 is fixedly connected to the inner wall of the main box body 301, and the shock absorbing spring 30303 is installed inside the spring installation groove 30302 to ensure that the position of the shock absorbing spring 30303 is stable and avoid interference from external forces. One end of the shock absorbing spring 30303 is connected to the spring The inner wall of the mounting groove 30302 is fixedly connected, and the other end of the shock-absorbing spring 30303 is fixedly connected to the sliding pressure plate 30305. The sliding pressure plate 30305 is slidably connected to the inner wall of the spring mounting groove 30302. The sliding pressure plate 30305 is fixedly connected to the fixed pressure plate 30301 through the movable pressure column 30304. The movable pressure column 30304 moves through the spring mounting groove 30302. When impacted by external force, the shock-absorbing spring 30303 can quickly generate a reaction force, thereby quickly offsetting the impact force and reducing the damage to the protected tester.

[0032] The lower end of the heat dissipation support plate 302 is evenly provided with a plurality of heat dissipation cavities, and the upper surface of the heat dissipation support plate 302 is provided with a heat conductive cushion layer 30201, and the heat conductive cushion layer 30201 is usually made of a material with high heat conductivity and high elasticity, such as a heat conductive silicone sheet, a heat conductive gel, etc. These materials can effectively conduct heat away from the heat source, and the heat dissipation support plate 302 is made of metal copper, which has high thermal conductivity and good electrical conductivity, and can effectively transfer heat to the air, and the lower end thereof is evenly provided with a plurality of heat dissipation cavities, and these heat dissipation cavities are in contact with the air, and can effectively take away the heat, making the heat dissipation support plate more efficient, and the lower end of the main box body 301 is evenly provided with through holes 30101.

[0033] An adjusting plate 7 is provided below the placing box 3, and a rotating rod 11 and a connecting rod 12 are fixedly installed at the bottom of the placing box 3. The rotating rod 11 is hinged to the adjusting plate 7, and a second slide groove 701 is provided on the adjusting plate 7. The connecting rod 12 is hinged to the second sliding block 13, and the second sliding block 13 is slidably connected to the second slide groove 701. A telescopic push rod 14 is installed at the upper right end of the adjusting plate 7, and the output end of the telescopic push rod 14 is fixedly connected to the second sliding block 13. The second sliding block 13 is pushed to move left and right in the second slide groove 701 by the telescopic push rod 14, thereby adjusting the inclination angle of the placing box 3 so as to adjust the angle of the tester.

[0034] A buffer rubber column 15 is fixedly installed between the adjustment plate 7 and the mounting plate 8 to absorb the impact force, effectively reducing the bumps that occur during the movement of the tester, slowing down the damage to the tester caused by vibration or impact, and increasing the service life. Rubber is a commonly used buffer material and plays an important role in absorbing impact and avoiding bumps. In instruments and equipment, the buffer rubber column 15 is widely used for support and fixation, and can effectively absorb external impact and vibration, thereby reducing damage to the instrument itself. At the same time, the buffer rubber column 15 can also effectively avoid bumps and improve the stability and reliability of the instrument.

[0035] A telescopic column 10 is arranged between the mounting plate 8 and the base plate 9. The telescopic column 10 is composed of two hollow rods of different diameters that are movably connected. A height adjustment mechanism is arranged on the right side of the mounting plate 8. The height of the mounting plate 8 is adjusted by the height adjustment mechanism, and then the height of the placement box 3 is adjusted.

[0036] The height adjustment mechanism includes a threaded screw 16, a guide rod 17, a connecting sleeve 18, a first slider 19 and a rotating motor 22. The rotating motor 22 is fixedly mounted on a fixed plate 21, and the fixed plate 21 is fixedly mounted on the inside of the box body 1. The output end of the rotating motor 22 is fixedly connected to the upper end of the threaded screw 16, and the lower end of the threaded screw 16 is rotatably connected to a connecting seat 23. The connecting seat 23 is fixedly mounted on the upper end of the bottom plate 9. The connecting sleeve 18 is threadedly sleeved on the outer side of the threaded screw 16. A guide rod 17 is fixedly mounted between the fixed plate 21 and the bottom plate 9. The guide rod 17 passes through the connecting sleeve 18 and is slidably connected thereto up and down. The connecting sleeve 18 is fixedly connected to the mounting plate 8 through a connecting plate 20. A first slider 19 is fixedly mounted on the right side of the connecting sleeve 18. A first slide groove 101 is provided on the right inner wall of the box body 1. The first slider 19 is slidably connected to the first slide groove 101. The threaded screw 16 is driven to rotate by the rotating motor 22, and the connecting sleeve 18 is driven to move linearly up and down along the threaded screw 16 to adjust the height of the connecting sleeve 18.

[0037] Among them, the electrical components appearing in the text are all electrically connected to an external main controller and a power supply, and the main controller can be a conventional known device for control such as a computer.

[0038] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A novel storage box for a ground resistance tester, comprising a box body (1), a box cover (2) and a storage box (3), wherein casters (4) are installed at the lower end of the box body (1), and a handle (6) is installed on the box cover (2), characterized in that: A bottom plate (9) is fixedly installed at the lower end of the interior of the box body (1); an adjustment plate (7) is arranged below the placement box (3); a rotating rod (11) and a connecting rod (12) are fixedly installed at the bottom of the placement box (3); the rotating rod (11) is hinged to the adjustment plate (7); a second slide groove (701) is provided on the adjustment plate (7); the connecting rod (12) is hinged to a second sliding block (13); the second sliding block (13) is slidably connected to the second slide groove (701); a telescopic push rod (11) is installed at the upper right end of the adjustment plate (7); 4), the output end of the telescopic push rod (14) is fixedly connected to the second sliding block (13), a buffer rubber column (15) is fixedly installed between the adjustment plate (7) and the mounting plate (8), a telescopic column (10) is arranged between the mounting plate (8) and the bottom plate (9), a height adjustment mechanism is arranged on the right side of the mounting plate (8), the placement box (3) comprises a main box body (301), a heat dissipation support plate (302) and a tester buffer pressure column mechanism (303), and the heat dissipation support plate (302) is installed at the inner bottom end of the main box body (301).

2. A novel storage box for ground resistance tester as claimed in claim 1, characterized in that: The height adjustment mechanism comprises a threaded screw (16), a guide rod (17), a connecting sleeve (18), a first slider (19) and a rotating motor (22); the rotating motor (22) is fixedly mounted on a fixing plate (21); the fixing plate (21) is fixedly mounted on the inside of the box (1); the output end of the rotating motor (22) is fixedly connected to the upper end of the threaded screw (16); the lower end of the threaded screw (16) is rotatably connected to a connecting seat (23); the connecting seat (23) is fixedly mounted on the upper end of the bottom plate (9); the connecting sleeve (18) is fixedly mounted on the upper end of the bottom plate (9); and the first slider (19) is fixedly mounted on the first slider (19) and the second slider (22) is fixedly mounted on the first slider (19) and the second slider (22) is fixedly mounted on the second ... 8) is threadedly sleeved on the outer side of the threaded screw (16), a guide rod (17) is fixedly installed between the fixed plate (21) and the bottom plate (9), the guide rod (17) passes through the connecting sleeve (18) and is slidably connected thereto up and down, the connecting sleeve (18) is fixedly connected to the mounting plate (8) through the connecting plate (20), the first sliding block (19) is fixedly installed on the right side of the connecting sleeve (18), the right inner wall of the box body (1) is provided with a first sliding groove (101), and the first sliding block (19) is slidably connected to the first sliding groove (101).

3. A novel storage box for ground resistance tester as claimed in claim 2, characterized in that: The inner wall of the placement box (3) is fixedly installed with a plurality of groups of the tester buffer pressure column mechanism (303), the tester buffer pressure column mechanism (303) comprises a fixed pressure plate (30301), a spring installation groove (30302), a shock absorbing spring (30303), a movable pressure column (30304) and a sliding pressure plate (30305), the spring installation groove (30302) is fixedly connected to the inner wall of the main box body (301), the shock absorbing spring (30303) is installed inside the spring installation groove (30302), and the shock absorbing spring (30303) is installed inside the spring installation groove (30302). One end of the spring (30303) is fixedly connected to the inner wall of the spring mounting groove (30302), and the other end of the shock-absorbing spring (30303) is fixedly connected to the sliding pressure plate (30305). The sliding pressure plate (30305) is slidably connected to the inner wall of the spring mounting groove (30302). The sliding pressure plate (30305) is fixedly connected to the fixed pressure plate (30301) through the movable pressure column (30304), and the movable pressure column (30304) moves through the spring mounting groove (30302).

4. A novel storage box for a ground resistance tester as claimed in claim 3, characterized in that: A plurality of heat dissipation cavities are evenly formed at the lower end of the heat dissipation support plate (302), and a heat conductive buffer layer (30201) is provided on the upper surface of the heat dissipation support plate (302).

5. A novel storage box for a ground resistance tester as claimed in claim 4, characterized in that: The lower end of the main box body (301) is evenly provided with through holes (30101).

6. A novel storage box for a ground resistance tester as claimed in claim 5, characterized in that: The surface of the fixed pressing plate (30301) is bonded with a rubber patch layer (3030101).

7. A novel storage box for a ground resistance tester as claimed in claim 6, characterized in that: The telescopic column (10) is composed of two hollow rods with different diameters that are movably connected.

8. A novel storage box for a ground resistance tester as claimed in claim 7, characterized in that: The heat dissipation support plate (302) is made of metal copper.

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