Bending device for bus of switch cabinet

Abstract

The utility model belongs to the technical field of bus bending, and particularly relates to a switch cabinet bus bending device which comprises a foot stool, a base is installed on the foot stool, a sliding groove is formed in an installation plate, a first lead screw is rotatably installed between two sets of fixing frames through a bearing, threads on the first lead screw are opposite in direction from the middle to the two ends, and the first lead screw and the second lead screw are connected through a connecting rod. The bottom ends of the connecting plates are rotationally connected with bent plates through pins, the bottom ends of the two sets of bent plates are rotationally connected through pins, a guide plate is welded to the front wall of the mounting plate, a groove is formed in the guide plate, a connecting block is assembled in the groove, a protractor is welded to the connecting block, and the protractor can be adjusted by adjusting the distance between the two connecting plates. Adjustment of the included angle of the two bending plates is achieved, the included angle value of the bending plates can be conveniently measured by installing the protractor, the angle of the bending plates can be rapidly adjusted through the structure, angle adjustment can be conducted according to the bending requirement of a bus, and the adaptability of the device can be easily improved.

Description

Technical Field

[0001] This utility model relates to the field of busbar bending technology, specifically a bending device for switchgear busbars. Background Technology

[0002] Busbars are long conductors made of copper with rectangular or rounded corners. They are high-current conductive products used to transmit current and connect electrical equipment in circuits. When used in switch cabinets, they need to be bent at an angle as required.

[0003] The bending device consists of a base, a bending plate, and a hydraulic cylinder. By placing the busbar under the bending plate, the hydraulic cylinder operates, driving the hydraulic rod to move vertically downward. The hydraulic rod causes the bending plate to contact the busbar, thus achieving the angle bending of the busbar.

[0004] Existing bending devices have a single bending angle for busbars, and the bending plate cannot be adjusted during use, resulting in low applicability of the device. Therefore, a bending device for switchgear busbars is proposed to address the above problems. Utility Model Content

[0005] In order to overcome the shortcomings of the existing technology and solve the problems existing in the existing technology, this utility model proposes a bending device for the busbar of a switch cabinet.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: A bending device for a switchgear busbar, comprising a bracket, a base mounted on the bracket, four sets of support rods mounted on the base, a fixing plate welded to the support rods, a hydraulic cylinder welded to the fixing plate, a hydraulic rod connected to the bottom end of the hydraulic cylinder, the hydraulic rod penetrating the fixing plate and having a mounting plate welded to its bottom end, a groove provided on the mounting plate, two sets of sliders symmetrically assembled in the groove, a connecting plate welded to the bottom end of the sliders, two sets of fixing brackets symmetrically welded to the bottom wall of the mounting plate, and a first lead screw rotatably mounted between the two sets of fixing brackets via bearings, the thread on the first lead screw being square from the middle to both ends. Conversely, the first lead screw passes through two sets of connecting plates and slides with the connecting plates via threads. A handwheel is welded to one end of the first lead screw. A bending plate is rotatably connected to the bottom end of the connecting plate via a pin. The bottom ends of the two sets of bending plates are rotatably connected via pins. A guide plate is welded to the front wall of the mounting plate. A groove is formed on the guide plate, and a connecting block is assembled in the groove. A protractor is welded to the connecting block. By adjusting the distance between the two connecting plates, the included angle of the two bending plates can be adjusted. The installation of the protractor facilitates the measurement of the included angle value of the bending plates. This structure allows for quick adjustment of the bending plate angle and can be adjusted according to the bending requirements of the busbar, which is beneficial to improving the adaptability of the device.

[0007] Preferably, two sets of placement frames are symmetrically installed on the base. Each placement frame includes two sets of support plates, which are symmetrically welded to the base. Rollers are rotatably mounted on the support plates via a rotating shaft. A busbar is placed on the roller. By installing the roller, the busbar is slidably connected to the roller when it is bent, which is beneficial to the stability of the busbar when it is bent.

[0008] Preferably, a pressing plate is fitted onto the roller, and a circular hole is formed on the pressing plate. The roller passes through the circular hole, and a spring is welded onto the pressing plate. The spring is fitted around the outside of the roller, and a push plate is welded to the other end of the spring. The push plate is fitted around the outside of the roller. The spring applies a clamping force to the busbar, preventing the busbar from sliding horizontally. During the bending process of the bending plate, the busbar rotates on the roller, and the busbar only moves vertically without horizontal swaying, ensuring the stability of the busbar and improving the accuracy of the busbar bending.

[0009] Preferably, the base has a movable groove, and a movable block is assembled in the movable groove. The movable block is fixedly connected to the push plate. A second lead screw is rotatably installed between the inner walls of the movable groove and the movable block through a bearing. The second lead screw passes through the movable block and slides with the movable block through a thread. A knob is welded to one end of the second lead screw. By rotating the second lead screw, the movable block on the second lead screw moves horizontally in the movable groove. The movable block drives the push plate to move horizontally, and the push plate pushes the spring to move horizontally, realizing the horizontal movement of the spring. This is beneficial for quickly limiting the movement of busbars of different specifications.

[0010] The advantages of this utility model are:

[0011] 1. This utility model achieves the adjustment of the included angle of the two bending plates by adjusting the distance between the two connecting plates. By installing a protractor, it is easy to measure the included angle value of the bending plates. This structure can quickly adjust the angle of the bending plates and can adjust the angle according to the bending requirements of the busbar, improving the adaptability of the material device. By installing a roller, the busbar is slidably connected to the roller when the busbar is bent, which is beneficial to the stability of the busbar during bending.

[0012] 2. This utility model uses a spring to apply a clamping force to the busbar, preventing horizontal slippage. During the bending process, the busbar rotates on the roller, moving only vertically without horizontal swaying, thus ensuring the stability of the busbar and improving the accuracy of bending. By rotating the second lead screw, the moving block on the second lead screw moves horizontally within the moving groove. The moving block drives the push plate to move horizontally, which in turn pushes the spring to move horizontally, achieving the horizontal movement of the spring. This is beneficial for quickly limiting the movement of busbars of different specifications. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a first-person perspective 3D structural diagram;

[0015] Figure 2 A schematic diagram of the three-dimensional structure at the bending plate;

[0016] Figure 3 A schematic diagram of the three-dimensional structure at the protractor;

[0017] Figure 4 This is a schematic diagram of the three-dimensional structure of the shelf.

[0018] In the diagram: 1. Leg; 2. Base; 3. Support rod; 4. Fixing plate; 5. Hydraulic cylinder; 6. Hydraulic rod; 7. Mounting plate; 8. Slide groove; 9. Slider; 10. Connecting plate; 11. Fixing frame; 12. First lead screw; 13. Handwheel; 14. Bending plate; 15. Guide plate; 16. Groove; 17. Protractor; 19. Support plate; 20. Roller; 21. Busbar; 22. Pressing plate; 23. Spring; 24. Push plate; 25. Moving groove; 26. Moving block; 27. Second lead screw; 28. Knob. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0020] Please see Figure 1-3As shown, a bending device for a switchgear busbar includes a bracket 1, a base 2 mounted on the bracket 1, four sets of support rods 3 mounted on the base 2, a fixing plate 4 welded to the support rods 3, a hydraulic cylinder 5 welded to the fixing plate 4, a hydraulic rod 6 connected to the bottom end of the hydraulic cylinder 5, the hydraulic rod 6 passing through the fixing plate 4 and having a mounting plate 7 welded to its bottom end, a groove 8 formed on the mounting plate 7, two sets of sliders 9 symmetrically assembled within the groove 8, a connecting plate 10 welded to the bottom end of the sliders 9, and two... Two sets of fixing brackets 11 are rotatably mounted between each other via bearings. A first lead screw 12 is rotatably mounted between the two sets of fixing brackets 11. The threads on the first lead screw 12 are opposite in direction from the middle to both ends. The first lead screw 12 passes through both sets of connecting plates 10 and slides with the connecting plates 10 via threads. A handwheel 13 is welded to one end of the first lead screw 12. A bending plate 14 is rotatably connected to the bottom end of the connecting plate 10 via a pin. The bottom ends of the two sets of bending plates 14 are rotatably connected via pins. A guide plate 15 is welded to the front wall of the mounting plate 7. The guide plate 15... A groove 16 is provided, and a connecting block is installed in the groove 16. A protractor 17 is welded onto the connecting block. During operation, the existing bending device bends the busbar 21 at a single angle, and the bending plate 14 cannot be adjusted in angle, resulting in low applicability of the device. By placing the busbar 21 on the roller 20 and turning the handwheel 13, the first lead screw 12 is rotated. The two sets of connecting plates 10 on the first lead screw 12 slide horizontally relative to each other. The two connecting plates 10 are rotatably connected to the two bending plates 14, and the bottom ends of the two bending plates 14 are rotatably connected. By adjusting the distance between the two connecting plates 10, the included angle of the two bending plates 14 can be adjusted. The protractor 17 can slide vertically in the groove 16 through the connecting block. The protractor 17 can be moved vertically according to the included angle position of the bending plates 14, which is convenient for measuring the included angle value of the bending plates 14. This structure can quickly adjust the angle of the bending plates 14 and can adjust the angle according to the bending requirements of the busbar 21, which is beneficial to improving the adaptability of the device.

[0021] Please see Figure 4As shown, two sets of placement racks are symmetrically installed on the base 2. Each placement rack includes two sets of support plates 19, which are symmetrically welded to the base 2. Rollers 20 are rotatably mounted on the support plates 19 via rotating shafts. A busbar 21 is placed on the roller 20. A pressing plate 22 is sleeved on the roller 20, and a circular hole is opened on the pressing plate 22 through which the roller 20 passes. A spring 23 is welded to the pressing plate 22 and is sleeved around the roller 20. A push plate 24 is welded to the other end of the spring 23. The push plate 24 is sleeved around the roller 20. A movable groove 25 is provided on the base 2, and a movable block 26 is assembled inside the movable groove 25. The movable block 26 is fixedly connected to the push plate 24. A second lead screw 27 is rotatably installed between the inner walls of the movable groove 25 via bearings. The second lead screw 27 passes through the movable block 26 and slides with the movable block 26 via threads. A knob 28 is welded to one end of the second lead screw 27. During operation, the existing bending device has poor stability during the bending process of the busbar 21, and is prone to... The swaying affected the accuracy of the copper busbar bending. To correct this, the busbar 21 was placed horizontally on two rollers 20. Rotating the knob 28 caused the second lead screw 27 to rotate. The moving block 26 on the second lead screw 27 moved horizontally within the moving groove 25. The moving block 26 caused the push plate 24 to move horizontally, which in turn pushed the spring 23 to move horizontally. The spring 23 then pushed the pressing plate 22 to move horizontally, bringing it into contact with the busbar 21. Under the pushing force of the pressing plate 22, the busbar 21 was restrained. Between the pressing plate 22 and the support plate 19, the knob 28 is rotated further, and the spring 23 is compressed. The spring 23 applies a clamping force to the busbar 21, preventing the busbar 21 from slipping. Through the operation of the hydraulic cylinder 5, the hydraulic rod 6 pushes the bending plate 14 to move vertically downward. During the bending process of the bending plate 14, the busbar 21 rotates on the roller 20. The busbar 21 only moves vertically and will not wobble horizontally, ensuring the stability of the busbar 21 and improving the bending accuracy of the busbar 21.

[0022] Working principle: Existing bending devices have a single bending angle for the busbar 21, and the bending plate 14 cannot be adjusted in angle during use, resulting in low applicability. By placing the busbar 21 on the roller 20 and rotating the handwheel 13, the first lead screw 12 is rotated. The two sets of connecting plates 10 on the first lead screw 12 slide horizontally relative to each other. The two connecting plates 10 are rotatably connected to the two bending plates 14, and the bottom ends of the two bending plates 14 are rotatably connected. By adjusting the distance between the two connecting plates 10, the included angle of the two bending plates 14 can be adjusted. The protractor 17 can slide vertically in the groove 16 through the connecting block. The protractor 17 can be moved vertically according to the included angle position of the bending plates 14, which is convenient for measuring the included angle value of the bending plates 14. This structure can quickly adjust the angle of the bending plates 14, and the angle can be adjusted according to the bending requirements of the busbar 21, which is beneficial to improving the adaptability of the device. Existing bending devices have poor stability during the bending process of the busbar 21 and are prone to accidents. The shaking affected the accuracy of the copper busbar bending. By placing the busbar 21 horizontally on two rollers 20, and rotating the knob 28, the second lead screw 27 is rotated. The moving block 26 on the second lead screw 27 moves horizontally within the moving groove 25. The moving block 26 drives the push plate 24 to move horizontally. The push plate 24 pushes the spring 23 to move horizontally. The spring 23 pushes the pressing plate 22 to move horizontally. The pressing plate 22 contacts the busbar 21. Under the pushing force of the pressing plate 22, the busbar 21 is limited to the pressing plate 22. Between the pressure plate 22 and the support plate 19, the knob 28 is rotated, the spring 23 is compressed, and the spring 23 applies a clamping force to the busbar 21 to prevent the busbar 21 from slipping. Through the operation of the hydraulic cylinder 5, the hydraulic rod 6 pushes the bending plate 14 to move vertically downward. During the bending process of the bending plate 14, the busbar 21 rotates on the roller 20. The busbar 21 only moves vertically and will not wobble horizontally, which ensures the stability of the busbar 21 and helps to improve the bending accuracy of the busbar 21.

[0023] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A bending device for a switchgear busbar, characterized in that... The system includes a tripod (1), a base (2) mounted on the tripod (1), four sets of support rods (3) mounted on the base (2), a fixing plate (4) welded to the support rods (3), a hydraulic cylinder (5) welded to the fixing plate (4), a hydraulic rod (6) connected to the bottom of the hydraulic cylinder (5), the hydraulic rod (6) passing through the fixing plate (4) and having a mounting plate (7) welded to its bottom, a groove (8) provided on the mounting plate (7), two sets of sliders (9) symmetrically assembled in the groove (8), a connecting plate (10) welded to the bottom of the sliders (9), and two sets of fixing brackets (11) symmetrically welded to the bottom wall of the mounting plate (7). A first lead screw (12) is mounted between the two sets of connecting plates (10) via a bearing. The threads on the first lead screw (12) are opposite in direction from the middle to both ends. The first lead screw (12) passes through the two sets of connecting plates (10) and slides with the connecting plates (10) via the threads. A handwheel (13) is welded to one end of the first lead screw (12). A bending plate (14) is rotatably connected to the bottom end of the connecting plate (10) via a pin. The bottom ends of the two sets of bending plates (14) are rotatably connected via pins. A guide plate (15) is welded to the front wall of the mounting plate (7). A groove (16) is provided on the guide plate (15). A connecting block is assembled in the groove (16). A protractor (17) is welded to the connecting block.

2. The bending device for a switchgear busbar according to claim 1, characterized in that: Two sets of placement racks are symmetrically installed on the base (2). The placement racks include two sets of support plates (19), which are symmetrically welded to the base (2).

3. The bending device for a switchgear busbar according to claim 2, characterized in that: A roller (20) is rotatably mounted on the support plate (19) via a rotating shaft, and a busbar (21) is placed on the roller (20).

4. The bending device for a switchgear busbar according to claim 3, characterized in that: A pressing plate (22) is fitted on the roller (20), and a round hole is opened on the pressing plate (22). The roller (20) passes through the round hole. A spring (23) is welded on the pressing plate (22). The spring (23) is fitted around the roller (20). A push plate (24) is welded to the other end of the spring (23). The push plate (24) is fitted around the roller (20).

5. The bending device for a switchgear busbar according to claim 1, characterized in that: The base (2) has a movable groove (25) and a movable block (26) is installed in the movable groove (25). The movable block (26) is fixedly connected to the push plate (24).

6. The bending device for a switchgear busbar according to claim 5, characterized in that: A second lead screw (27) is rotatably mounted between the inner walls of the movable groove (25) via a bearing. The second lead screw (27) passes through the movable block (26) and slides with the movable block (26) via a thread. A knob (28) is welded to one end of the second lead screw (27).

Images