Copper bar bolt fastening device in ring main unit

Abstract

The utility model provides a copper bar bolt fastening device in a ring main unit, which comprises a lower mounting strip, two ends of the lower mounting strip are respectively and fixedly connected with a sliding column, the lower mounting strip is further provided with a plurality of clamping pieces in a sliding manner along the length direction of the lower mounting strip, and the clamping pieces are used for clamping the head of a bolt; the two ends of the upper mounting strip are provided with holes allowing the two sliding columns to penetrate through in a sliding mode respectively, and the upper mounting strip is further provided with a plurality of tightening pieces in one-to-one correspondence with the clamping pieces in the length direction of the upper mounting strip in a sliding mode. The tightening piece comprises an upper mounting plate in sliding fit with the upper mounting strip, a driving motor mounted on the upper mounting plate, a rotating rod connected with a rotating shaft of the driving motor and a sleeve fixedly connected with the end, away from the driving motor, of the rotating rod, and the sleeve is used for allowing a bolt rod part and a nut to enter. The problem that in the prior art, the fastening efficiency of copper bar bolts in a ring main unit is low is solved.

Description

Technical Field

[0001] This utility model relates to the field of bolt fastening device technology, and in particular to a copper busbar bolt fastening device for a ring main unit. Background Technology

[0002] When installing internal components of a ring main unit, bolts are needed to secure key parts of the switch assembly, specifically the copper busbars. In practice, each bolt needs to be tightened at least three times to ensure the copper busbars have good stability, conductivity, and reliability. (The bolt includes the bolt head and the bolt shank to which it is fixed. During assembly, the bolt head is located below the copper busbar, the bolt shank extends through the copper busbar to the top, and the nut is fitted onto the bolt shank and tightened above the copper busbar.) Specifically, copper busbars are typically arranged longitudinally in groups of three within a ring main unit, and multiple groups may require tightening (depending on the specific product model and specifications). Therefore, the number of bolts requiring tightening within a ring main unit is large, and the limited space inside makes it inconvenient to use large tightening tools. Only small tools can be used, resulting in low overall assembly efficiency. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides a copper busbar bolt fastening device for ring main units, which solves the problem of low fastening efficiency of copper busbar bolts in existing technologies.

[0004] According to an embodiment of this utility model, a copper busbar bolt fastening device for a ring main unit includes: a lower mounting strip, with sliding columns fixedly connected to both ends of the lower mounting strip, and multiple clamping members slidably arranged along its length on the lower mounting strip, the clamping members being used to clamp the bolt head; an upper mounting strip, with holes at both ends of the upper mounting strip for the two sliding columns to slide through, and multiple tightening members corresponding one-to-one with the clamping members slidably arranged along its length on the upper mounting strip; wherein, the tightening member includes an upper mounting plate that slidably engages with the upper mounting strip, a drive motor mounted on the upper mounting plate, a rotating rod connected to the shaft of the drive motor, and a sleeve fixedly connected to the end of the rotating rod away from the drive motor, the sleeve being used for the bolt shank and nut to enter.

[0005] In the above embodiments, the number of clamping and rotating parts is the same as the number of copper busbars to be tightened. In specific operations, the lower mounting strip and two sliding columns are first extended into the ring main unit. The sliding columns are located at the front and rear ends of the copper busbar, and the lower mounting strip is located below. The position of the clamping parts is adjusted so that the clamping parts clamp the corresponding bolt heads. Then, the upper mounting strip is fitted onto the two sliding columns and moved down so that the sleeve is fitted into the bolt shank and the corresponding nut. The drive motor is started to tighten the bolts. After completing one set, the process is repeated for another set. This improves the tightening efficiency and solves the problem of low tightening efficiency of copper busbar bolts in the ring main unit in the prior art.

[0006] Furthermore, the clamping component includes a lower mounting plate that slides with the lower mounting strip, a first fixing plate and a second fixing plate fixed on the lower mounting plate, and a stop plate that is movably disposed on the lower mounting plate and located between the first fixing plate and the second fixing plate. The stop plate is also fixedly connected to a stop rod that slides through the second fixing plate, and a spring is sleeved on the stop rod located between the stop plate and the second fixing plate.

[0007] Furthermore, a lower sliding groove is provided along the length of the lower mounting strip. The top surface and two sides of the lower sliding groove have openings. A lower sliding block is fixedly connected to the lower mounting plate. The lower sliding block slides into the lower sliding groove through the top opening. A lower sliding head and a lower adjusting screw are fixedly connected to both sides of the lower sliding block, respectively passing through the two side openings. A lower adjusting wheel that can abut against the lower mounting plate is threaded on the lower adjusting screw.

[0008] Furthermore, an upper sliding groove is provided along the length of the upper mounting strip. The top surface and two sides of the upper sliding groove have openings. An upper sliding block is fixedly connected to the upper mounting plate. The upper sliding block slides into the upper sliding groove through the top opening. An upper sliding head and an upper adjusting screw are fixedly connected to both sides of the upper sliding block, respectively passing through the two side openings. An upper adjusting wheel that can abut against the upper mounting plate is threaded on the upper adjusting screw.

[0009] Furthermore, the upper mounting plate is also provided with an obliquely oriented strip groove, a guide rail parallel to the strip groove, and a mounting block that slides with the guide rail. The drive motor is mounted on the mounting block, and the rotating rod rotates through the strip groove, passes through the mounting block, and connects to the drive motor shaft.

[0010] Furthermore, the guide rail includes a pair located on both sides of the strip-shaped through groove.

[0011] Furthermore, a third fixing plate is fixedly connected to the upper mounting plate, and the third fixing plate is rotatably connected to a drive screw threaded through the mounting block, and the drive screw is parallel to and offset from the strip groove.

[0012] Furthermore, an adjustment disc is fixedly connected to the end of the drive screw that passes through the third fixed plate and is away from the mounting block.

[0013] Furthermore, the cross-section of the sliding column is cross-shaped.

[0014] Furthermore, handrails are fixedly connected to both ends of the lower mounting strip and both ends of the upper mounting strip.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The bolt head is clamped by the lower mounting strip and its clamping parts, and then the sleeve on the upper mounting strip is used to fit the bolt shank and the corresponding nut. The drive motor is started to tighten the bolt. After one set is completed, the process is repeated on another set. This improves the tightening efficiency and solves the problem of low tightening efficiency of copper busbar bolts in ring main units in the existing technology. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model. Figure 1 ;

[0018] Figure 2 This is a schematic diagram of the overall structure of an embodiment of the present utility model. Figure 2 ;

[0019] Figure 3 This is an enlarged schematic diagram of the clamping component structure according to an embodiment of the present utility model;

[0020] Figure 4 This is an enlarged schematic diagram of the tightening component structure according to an embodiment of the present utility model;

[0021] In the above attached figures:

[0022] 1. Lower mounting strip, 2. Sliding column, 3. Upper mounting strip, 4. Upper mounting plate, 5. Drive motor, 6. Rotating rod, 7. Lower mounting plate, 8. First fixing plate, 9. Second fixing plate, 10. Support plate, 11. Support rod, 12. Spring, 13. Lower sliding groove, 14. Lower sliding block, 15. Lower sliding head, 16. Lower adjusting screw, 17. Lower adjusting wheel, 18. Upper sliding groove, 19. Upper sliding block, 20. Upper adjusting screw, 21. Upper adjusting wheel, 22. Strip through groove, 23. Guide rail, 24. Mounting block, 25. Sleeve, 26. Third fixing plate, 27. Drive screw, 28. Adjusting disc, 29. Limiting ring, 30. Handrail plate, 31. Detailed Implementation

[0023] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0024] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0025] In an exemplary implementation, such as Figure 1-4 As shown, this embodiment provides a copper busbar bolt fastening device for a ring main unit, comprising: a lower mounting strip 1, with sliding columns 2 fixedly connected to both ends of the lower mounting strip 1; multiple clamping members slidably disposed on the lower mounting strip 1 along its length, the clamping members being used to clamp the bolt heads; the two sliding columns 2 and the lower mounting strip 1 forming an inverted U-shaped structure; during assembly of the ring main unit, the front and top surfaces are open, allowing the lower mounting strip 1 and the two sliding columns 2 to smoothly enter; and an upper mounting strip 3, with holes at both ends for the two sliding columns 2 to slide through; multiple tightening members corresponding one-to-one with the clamping members slidably disposed on the upper mounting strip 3 along its length. Notably, the sliding columns 2 are... The cross-section of the moving column 2 can be cross-shaped, and the corresponding hole is also cross-shaped. After the upper mounting strip 3 is installed, it can move up and down more stably. The tightening component includes an upper mounting plate 4 that slides with the upper mounting strip 3, a drive motor 5 mounted on the upper mounting plate 4, a rotating rod 6 connected to the shaft of the drive motor 5, and a sleeve 26 fixedly connected to the end of the rotating rod 6 away from the drive motor 5. The rotating rod 6 extends downward, and the sleeve 26 is used for the bolt shank and nut to enter. At the same time, the sleeve 26 has a large length so that the nut can enter smoothly after the bolt shank enters and ensure that the tightening is completed smoothly. The bolt head, the nut and the sleeve 26 are all hexagonal structures.

[0026] In the above embodiments, the number of clamping and rotating parts is the same as the number of copper busbars to be tightened, such as three in a group. In specific operations, the lower mounting strip 1 and the two sliding columns 2 are first extended into the ring main unit. The sliding columns 2 are located outside the front and rear ends of the copper busbar, and the lower mounting strip 1 is located below. The position of the clamping parts is adjusted so that the clamping parts clamp the corresponding bolt heads. Then, the upper mounting strip 3 is fitted onto the two sliding columns 2 and moved down so that the sleeve 26 is fitted into the bolt shank and the corresponding nut. The drive motor 5 is started to tighten the bolts. After completing one group, the process is repeated for another group. This improves the tightening efficiency and solves the problem of low tightening efficiency of copper busbar bolts in the ring main unit in the prior art. More specifically, in order to facilitate the gripping of the upper mounting strip 3 and the lower mounting strip 1, handrails 31 are fixedly connected to both ends of the lower mounting strip 1 and both ends of the upper mounting strip 3.

[0027] like Figure 1-4 As shown in the specific exemplary solution, the clamping component includes a lower mounting plate 7 that slides with the lower mounting strip 1, a first fixing plate 8 and a second fixing plate 9 fixed on the lower mounting plate 7, and a stop plate 10 movably disposed on the lower mounting plate 7 and located between the first fixing plate 8 and the second fixing plate 9. The stop plate 10 is also fixedly connected to a stop rod 11 that slides through the second fixing plate 9. A spring 12 is also sleeved on the stop rod 11 and located between the stop plate 10 and the second fixing plate 9. The spring 12 provides elastic pressure so that the stop plate 10 presses against the first fixing plate 8, thereby enabling the bolt head to be pressed against the stop plate 10 and the first fixing plate 8 to achieve clamping. In particular, the stop rod 11 and the spring 12 can be provided in two sets, which can make it more stable.

[0028] like Figure 1-4 As shown in the more detailed exemplary scheme, the lower mounting strip 1 is also provided with a lower sliding groove 13 along its length direction. The top surface and two sides of the lower sliding groove 13 have openings. The lower mounting plate 7 is fixedly connected to a lower sliding block 14, and the lower sliding block 14 slides into the lower sliding groove 13 through the top opening. The lower sliding block 14 is fixedly connected to a lower sliding head 15 and a lower adjusting screw 16 that pass through the two side openings respectively. The lower adjusting screw 16 is threaded with a lower adjusting wheel 17 that can abut against the lower mounting plate 7. The lower sliding groove 13 provides a basis for the position adjustment of the lower mounting plate 7, which is specifically achieved through the lower sliding block 14. After the position is adjusted, the lower adjusting wheel 17 is rotated to make it abut against the side wall of the lower mounting plate 7, so that the adjusted position of the lower mounting plate 7 is relatively fixed.

[0029] Similarly, the upper mounting strip 3 is also provided with an upper sliding groove 18 along its length. The top surface and two sides of the upper sliding groove 18 have openings. The upper mounting plate 4 is fixedly connected to an upper sliding block 19, and the upper sliding block 19 slides into the upper sliding groove 18 through the top opening. The upper sliding block 19 is fixedly connected to an upper sliding head 20 and an upper adjusting screw 21 that pass through the two side openings respectively. The upper adjusting screw 21 is threaded with an upper adjusting wheel 22 that can abut against the upper mounting plate 4. The adjustment and locking of the upper mounting plate 4 are also carried out in a similar manner, so that the sleeve 26 can be aligned with the corresponding bolt rod and the corresponding nut below. Then, the upper mounting strip 3 can be moved downward to start tightening.

[0030] like Figure 1-4 As shown, in a further exemplary embodiment, the upper mounting plate 4 is also provided with an obliquely arranged strip groove 23, a guide rail 24 parallel to the strip groove 23, and a mounting block 25 that slides with the guide rail 24. The drive motor 5 is mounted on the mounting block 25. The rotating rod 6 passes through the mounting block 25 and is connected to the shaft of the drive motor 5 through the strip groove 23. The strip groove 23 and the guide rail 24 allow the mounting block 25 to move smoothly, and the direction of movement is oblique. Therefore, it provides a more flexible adjustment method for the drive motor 5 and the corresponding sleeve 26, so that the sleeve 26 can more easily correspond with the bolt rod and the nut. The guide rail 24 can be a pair located on both sides of the strip groove 23. The strip groove 23 is mainly for the rotating rod 6 to pass through and move with the mounting block 25.

[0031] like Figure 1-4 As shown, more specifically, a third fixing plate 27 is also fixedly connected to the upper mounting plate 4. The third fixing plate 27 is also rotatably connected to a drive screw 28 that is threaded through the mounting block 25. The drive screw 28 is parallel to and offset from the strip groove 23. An adjusting plate 29 is also fixedly connected to the end of the drive screw 28 that rotates through the third fixing plate 27 and is away from the mounting block 25. When the adjusting plate 29 rotates, the drive screw 28 also rotates. The mounting block 25 and the guide rail 24 do not disengage (the guide rail 24 and the mounting block 25 are connected by a T-slot and a T-block). Therefore, the mounting block 25 can move. After the adjusting plate 29 stops rotating, the movement of the mounting block 25 stops, and its position is also relatively locked. In a more detailed scheme, in order to prevent the mounting block 25 from accidentally disengaging from the adjusting screw, a limit ring 30 is also fixedly connected to the free end of the adjusting screw (the end away from the adjusting plate 29).

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A copper busbar bolt fastening device inside a ring main unit, characterized in that, include: The lower mounting strip has sliding columns fixedly connected to both ends, and multiple clamping members are slidably arranged on the lower mounting strip along its length. The clamping members are used to clamp the bolt head. The upper mounting strip has holes at both ends for the two sliding columns to slide through it, and multiple tightening parts corresponding to the clamping parts are also slidably arranged on the upper mounting strip along its length. The tightening component includes an upper mounting plate that slides with the upper mounting strip, a drive motor mounted on the upper mounting plate, a rotating rod connected to the shaft of the drive motor, and a sleeve fixedly connected to the end of the rotating rod away from the drive motor. The sleeve is used to allow the bolt shank and nut to enter.

2. The copper busbar bolt fastening device inside the ring main unit as described in claim 1, characterized in that, The clamping member includes a lower mounting plate that slides with the lower mounting strip, a first fixing plate and a second fixing plate fixed on the lower mounting plate, and a stop plate that is movably disposed on the lower mounting plate and located between the first fixing plate and the second fixing plate. The stop plate is also fixedly connected to a stop rod that slides through the second fixing plate, and a spring is sleeved on the stop rod located between the stop plate and the second fixing plate.

3. The copper busbar bolt fastening device inside the ring main unit as described in claim 2, characterized in that, The lower mounting strip is also provided with a lower sliding groove along its length. The top surface and two sides of the lower sliding groove have openings. The lower mounting plate is fixedly connected to a lower sliding block, and the lower sliding block slides into the lower sliding groove through the top opening. The lower sliding block is fixedly connected to a lower sliding head and a lower adjusting screw that pass through the two side openings respectively. The lower adjusting screw is threaded with a lower adjusting wheel that can abut against the lower mounting plate.

4. The copper busbar bolt fastening device inside the ring main unit as described in claim 1, characterized in that, The upper mounting strip is also provided with an upper sliding groove along its length. The top surface and two sides of the upper sliding groove have openings. The upper mounting plate is fixedly connected to an upper sliding block, and the upper sliding block slides into the upper sliding groove through the top opening. The upper sliding block is fixedly connected to an upper sliding head and an upper adjusting screw that pass through the two side openings respectively. The upper adjusting screw is threaded with an upper adjusting wheel that can abut against the upper mounting plate.

5. The copper busbar bolt fastening device inside the ring main unit as described in claim 1, characterized in that, The upper mounting plate is also provided with an obliquely oriented strip groove, a guide rail parallel to the strip groove, and a mounting block that slides with the guide rail. The drive motor is mounted on the mounting block, and the rotating rod passes through the strip groove and rotates through the mounting block to connect with the drive motor shaft.

6. The copper busbar bolt fastening device inside the ring main unit as described in claim 5, characterized in that, The guide rails include a pair located on both sides of the strip-shaped through groove.

7. The copper busbar bolt fastening device inside the ring main unit as described in claim 5, characterized in that, A third fixing plate is also fixedly connected to the upper mounting plate. The third fixing plate is also rotatably connected to a drive screw threaded through the mounting block. The drive screw is parallel to and offset from the strip-shaped through groove.

8. The copper busbar bolt fastening device inside the ring main unit as described in claim 7, characterized in that, The drive screw rotates through the third fixing plate, and an adjustment disc is fixedly connected to the end of the screw that is away from the mounting block.

9. The copper busbar bolt fastening device inside the ring main unit as described in claim 1, characterized in that, The cross-section of the sliding column is cross-shaped.

10. The copper busbar bolt fastening device inside the ring main unit as described in claim 1, characterized in that, Handrails are fixedly connected to both ends of the lower mounting strip and both ends of the upper mounting strip.

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