Middle partition plate grounding bar assembly
By improving the structural design of the middle partition grounding bar assembly and adopting the swing contact and double spring compression of the second grounding bar, the problems of high resistance and short life of the traditional grounding bar assembly are solved, and the smoothness and safety of the trolley movement are achieved.
Patent Information
- Application Number
- CN202422631762.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-10-30
AI Technical Summary
The traditional center partition grounding bar assembly causes friction grounding when the trolley moves, resulting in large resistance, affecting the smoothness of operation and shortening the service life.
The second grounding bar adopts a swing contact structure and double spring compression design, connected by countersunk screws, nuts, upper limit sleeves and lower limit sleeves to ensure close contact between the grounding bar and the trolley, reduce friction resistance and extend service life.
It effectively reduces the resistance when the trolley moves, makes the operation smoother, increases the service life of the grounding bar and ensures stable and reliable contact.
Smart Images

Figure CN223462588U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of middle partition plate ground connection row assemblies. BACKGROUND
[0002] The component inside the electrical cabinet body is used for grounding connection. It is usually fixed on the middle partition plate of the cabinet body, provides a unified grounding point, connects the metal part of electrical equipment to the grounding system, and ensures that the equipment has good grounding performance during operation. When the operator operates the handcart in the electrical control cabinet, in order to ensure safety, the handcart is moved on the lower guide rail through the bottom of the handcart, and the friction with the grounding row is used for grounding. In actual use, it is found that the traditional grounding row assembly is used for grounding. In order to ensure the reliability of the handcart grounding, due to the friction grounding, the resistance is large when the handcart moves, the operation is extremely not smooth, the installation and maintenance efficiency is affected, and the service life is greatly reduced due to the frequent wear of the grounding row. In view of this, the existing middle partition plate grounding row assembly is improved and optimized. SUMMARY
[0003] To solve the above problems, the technical problem to be solved by the utility model is to provide a middle partition plate grounding row assembly.
[0004] The technical scheme of the middle partition plate grounding row assembly in the utility model is as follows: characterized in that it comprises a middle partition plate for receiving the push of a handcart, a first grounding row fixed on the back of the middle partition plate, a second grounding row, a countersunk screw, a nut, an upper limiting sleeve, a lower limiting sleeve and an outer spring provided on the first grounding row, the middle partition plate is provided with a handcart contact port, the first grounding row is of a flat plate structure, the second grounding row comprises a second grounding row main body inclined relative to the first grounding row, one end of the second grounding row main body is bent to form a grounding row first butt joint portion in contact with the bottom of the handcart, the other end of the second grounding row main body is sequentially bent to form a grounding row second butt joint portion in contact with the first grounding row and a grounding row connecting portion, the grounding row first butt joint portion and the grounding row second butt joint portion are both wedge-shaped structures, and the second grounding row main body is provided with a second grounding row through hole.
[0005] The upper limiting sleeve and the lower limiting sleeve are both provided with an outer spring limiting groove, the outer spring limiting groove is provided with a limiting sleeve through hole, the countersunk screw sequentially passes through the first grounding row, the second grounding row through hole, the upper limiting sleeve, the lower limiting sleeve, and is connected with the nut, the outer spring sleeve is provided on the countersunk screw, and the upper end thereof abuts against the outer spring limiting groove of the upper limiting sleeve, and the lower end thereof abuts against the outer spring limiting groove of the lower limiting sleeve.
[0006] Further comprising an inner spring, an inner diameter of the outer spring is greater than the limiting sleeve through hole, a diameter of the limiting sleeve through hole is greater than an outer diameter of the inner spring, the inner spring is sleeved on the countersunk screw and an upper end thereof abuts against a bottom of the second grounding bar body and a lower end thereof abuts against the nut.
[0007] The upper limiting sleeve and the lower limiting sleeve are provided with limiting sleeve inner stop edges at the limiting sleeve through hole for preventing the inner spring from moving.
[0008] The height of the first grounding bar connecting part is greater than the height of the second grounding bar connecting part.
[0009] The number of the nuts is two.
[0010] The advantages of the partition plate grounding bar assembly in the utility model lie in that: through the swing contact of the second grounding bar, the resistance when the handcart moves to ground is effectively reduced, the operation is smoother, the service life of the grounding bar is greatly reduced; the second grounding bar is compressed by the inner spring and the outer spring, the second grounding bar, the handcart and the first grounding bar can be in close contact, the contact is stable and reliable, and the safety is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0011] The utility model will be further explained in detail in combination with the drawings and the specific embodiment.
[0012] Fig. 1 It is the front view of the partition plate grounding bar assembly in the utility model;
[0013] Fig. 2 It is the front view of the second grounding bar in the utility model;
[0014] Fig. 3 It is the structural schematic view of the upper limiting sleeve in the utility model. SPECIFIC EMBODIMENT
[0015] As Figs. 1-3As shown, the utility model relates to the middle partition plate ground connection row subassembly, including the middle partition plate 1 for the handcart push in, the first ground connection row 2 of fixed in the middle partition plate 1 back, second ground connection row 3, the countersunk screw 4 of wear in the first ground connection row 2, nut 5, upper limit sleeve 6, lower limit sleeve 7 and outer spring 9, the middle partition plate 1 is equipped with handcart contact mouth 11, the first ground connection row 2 is flat plate type structure, the second ground connection row 3 includes the second ground connection row main part 13 of the inclination setting relative to the first ground connection row 2, the second ground connection row main part 13 one end bending forms and the ground connection row first butt joint 14 of handcart bottom contact, the second ground connection row main part 13 other end sequentially bending forms and the ground connection row second butt joint 15 of the first ground connection row 2 contact and ground connection row connecting portion 16, the ground connection row first butt joint 14 with the ground connection row second butt joint 15 all are wedge-shaped structure, the second ground connection row main part 13 is equipped with second ground connection row wear hole 17, the upper limit sleeve 6 with the lower limit sleeve 7 all are equipped with outer spring limit groove 18, the outer spring limit groove 18 is equipped with limit sleeve wear hole 19, the countersunk screw 4 sequentially passes through the first ground connection row 2, the second ground connection row wear hole 17, the upper limit sleeve 6, the lower limit sleeve 7 after with the nut 5 is connected, the outer spring 9 is set in the countersunk screw 4 and its upper end is in the outer spring limit groove 18 of the upper limit sleeve 6, its lower end is in the outer spring limit groove 18 of the lower limit sleeve 7, when handcart moves, the swing contact of second ground connection row 3 is driven, effectively reduce the resistance when handcart moves ground, make the operation more smooth, the service life of ground connection row greatly reduces.
[0016] Still include inner spring 8, the inner diameter of outer spring 9 is greater than the limit sleeve wear hole 19, the diameter of limit sleeve wear hole 19 is greater than the outer diameter of inner spring 8, the inner spring 8 is set in the countersunk screw 4 and its upper end is in the bottom of second ground connection row main part 13, its lower end is on the nut 5, the double spring cooperation of inner spring 8 and outer spring 9 is compressed to second ground connection row, ensure that second ground connection row can be in close contact with handcart and first ground connection row respectively, make contact stable and reliable, guarantee safety.
[0017] The upper limit sleeve 6 and the lower limit sleeve 7 are provided with a limit sleeve inner stop edge 22 at the limit sleeve wear hole 19 for preventing the inner spring 8 from moving.
[0018] The height of the ground connection row first butt joint 14 is greater than the height of the ground connection row second butt joint 15.
[0019] The number of nut 5 is 2, to prevent the nut from loosening.
[0020] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A bulkhead ground strap assembly, comprising: The utility model relates to a handcart grounding device, including the partition (1) for receiving the handcart push in, the first ground row (2) fixed in the back of partition (1), the second ground row (3), the countersunk screw (4) of wearing in first ground row (2), nut (5), upper limit sleeve (6), lower limit sleeve (7) and outer spring (9), the partition (1) is equipped with handcart contact mouth (11), first ground row (2) is flat plate type structure, the second ground row (3) includes the second ground row main part (13) of setting up relative to first ground row (2) inclination, second ground row main part (13) one end is bent and forms with the ground row first butt joint portion (14) of handcart bottom contact, second ground row main part (13) other end is sequentially bent and forms with first ground row (2) contact ground row second butt joint portion (15) and ground row connecting portion (16), ground row first butt joint portion (14) with ground row second butt joint portion (15) are all wedge structure, second ground row main part (13) is equipped with second ground row wearing hole (17); Upper limit sleeve (6) and lower limit sleeve (7) are equipped with outer spring limiting groove (18) in, outer spring limiting groove (18) is equipped with limit sleeve wearing hole (19) in, countersunk screw (4) is sequentially passed first ground row (2), second ground row wearing hole (17), upper limit sleeve (6), lower limit sleeve (7) and is connected with nut (5) after, outer spring (9) is set up on countersunk screw (4) and its upper end is in the outer spring limiting groove (18) of upper limit sleeve (6), and its lower end is in the outer spring limiting groove (18) of lower limit sleeve (7).
2. The bulkhead ground strap assembly of claim 1, wherein: Also including inner spring (8), the inner diameter of outer spring (9) is greater than limit sleeve wearing hole (19), the diameter of limit sleeve wearing hole (19) is greater than the outer diameter of inner spring (8), inner spring (8) is set up on countersunk screw (4) and its upper end is in second ground row main part (13) bottom, and its lower end is on nut (5).
3. The bulkhead ground strap assembly of claim 2, wherein: Upper limit sleeve (6) and lower limit sleeve (7) are equipped with limit sleeve inner baffle (22) for preventing inner spring (8) to move in limit sleeve wearing hole (19) place.
4. The bulkhead ground strap assembly of claim 1, wherein: The height of ground row first butt joint portion (14) is greater than the height of ground row second butt joint portion (15).
5. The bulkhead ground strap assembly of claim 1, wherein: The number of nut (5) is 2.