Right-angle bus duct pressing device and method

Abstract

The invention discloses a right-angle type bus duct pressing device and method.The right-angle type bus duct pressing device comprises a first workbench, a vertical pressing mechanism, a transverse pressing mechanism and an inclined pressing mechanism, the first workbench is used for placing a vertical bent bus duct, the first workbench is provided with a limiting base, and the limiting base is used for making abutting contact with the back side of the vertical edge of the vertical bent bus duct; the vertical pressing mechanism is used for vertically pressing the horizontal edge of the vertical bent bus duct on the first workbench; the transverse pressing device is used for transversely pressing the vertical edge of the vertical bent bus duct on the first workbench; and the inclined pressing mechanism is used for carrying out 45-degree inclined pressing on the corner position of the vertical bent bus duct on the first workbench. The bus duct pressing device has the effect of improving the pressing effect and pressing efficiency of the bus duct.

Description

Technical Field

[0001] The present application relates to the field of power equipment installation, and in particular to a right-angle bus duct pressing device and method. Background Art

[0002] In the power transmission system, bus duct is an important component connecting different electrical components. Its installation quality directly affects the operating safety and reliability of the entire system. The components of bus duct mainly include a shell and several conductive bars stacked in the grooves of the shell. The bus ducts commonly used in the market are mostly linear designs, which are divided into horizontal bent bus ducts and vertical bent bus ducts. The bottom walls of the grooves of the two right-angled sides of the horizontal bent bus duct are in the same plane, while the two right-angled sides of the vertical bent bus duct are horizontal and vertical sides respectively, and the bottom walls of the grooves of the two are in two different and mutually perpendicular planes.

[0003] In the related art, the linear bus duct clamping device usually fixes and clamps the bus duct through a clamp. The design of this type of device is relatively simple. When faced with right-angle bus duct, these traditional methods expose obvious limitations. First, the traditional clamping device cannot adapt to complex geometric shape changes, especially at the corners of the vertical bent bus duct. The clamping effect is poor and the clamping efficiency is not high, so there is still room for improvement. Summary of the invention

[0004] In order to improve the compression effect and compression efficiency of the bus duct, the present application provides a right-angle bus duct compression device and method.

[0005] The present application provides a right-angle bus duct clamping device and method using the following technical solutions: A right-angle bus duct pressing device comprises a first workbench, the first workbench is used to place a vertical bent bus duct, the first workbench is provided with a limit seat, the limit seat is used to contact with the back side of the vertical side of the vertical bent bus duct; A vertical pressing mechanism, which is used to vertically press the horizontal side of the vertically bent bus duct on the first workbench; A horizontal pressing mechanism, the horizontal pressing device is used to horizontally press the vertical edge of the vertical bent bus duct on the first workbench; The oblique pressing mechanism is used to press the corner position of the vertical bent bus duct on the first workbench at a 45° angle.

[0006] By adopting the above technical scheme, a limit seat is arranged on the workbench to press against the back side of the vertical edge of the vertical bent bus duct, thereby positioning and supporting the vertical bus duct, and then the horizontal edge, vertical edge and corner position of the vertical bent bus duct are respectively pressed by utilizing the vertical pressing mechanism, the horizontal pressing mechanism and the oblique pressing mechanism, so that various positions of the vertical bent bus duct can be pressed, especially at the corner position of the vertical bent bus duct, which is beneficial to improve the pressing effect and pressing efficiency of the vertical bent bus duct.

[0007] Preferably, the oblique pressing mechanism includes two sliding bar components, an oblique pressing assembly arranged between the two sliding bar components, and an oblique pressing driving member for driving the two sliding bar components to slide, the two sliding bar components are parallel to each other and have an angle of 45° with the surface of the first workbench, when the vertical bent bus duct is in place on the surface of the first workbench, the two sliding bar components are symmetrically distributed on both sides of the vertical bent bus duct, the two ends of the oblique pressing assembly are respectively a hinged end and a free end, the hinged end of the oblique pressing assembly is hinged to the end of one of the sliding bar components, and the free end of the oblique pressing assembly is detachably connected to the end of the other sliding bar component; the downward pressing assembly is toward the corner position of the vertical bent bus duct, and the oblique pressing driving member is used to drive the sliding bar component to slide along its own length direction, so as to drive the oblique pressing assembly to press along the extension direction of the angular bisector of the vertical bent bus duct.

[0008] By adopting the above technical scheme, two sliding rod components are symmetrically distributed on both sides of the vertical bent bus duct, and then the oblique pressing component is swung to complete the connection action between the free end of the oblique pressing component and the end of the corresponding sliding rod component, so that the pressing component is directed toward the corner position of the vertical bent bus duct, and the oblique pressing driving member is started to drive the sliding rod component to slide along its own length direction, and drive the oblique pressing component to be pressed along the extension direction of the angular bisector of the vertical bent bus duct, which is beneficial to improve the pressing effect and pressing efficiency.

[0009] Preferably, the vertical pressure mechanism includes a vertical frame arranged on the side of the first workbench, a horizontal frame rotatably connected to the vertical frame, and a vertical pressure cylinder arranged vertically downward on the horizontal frame, and the rotation axis of the horizontal frame is arranged vertically.

[0010] By adopting the above technical solution, when the horizontal side of the vertical bent bus duct is compressed, the horizontal frame is swung horizontally to move the vertical pressure cylinder to above the horizontal side of the vertical bent bus duct, and then the vertical pressure cylinder is started, the vertical pressure cylinder extends downward and completes the compression of the horizontal side of the vertical bent bus duct. After the compression is completed, the horizontal frame is swung to one side of the first workbench to facilitate the storage of the vertical pressure cylinder.

[0011] Preferably, the horizontal pressing mechanism includes a limit frame and a horizontal pressing cylinder laterally arranged at the limit frame, the limit frame is used to contact the back side of the vertical edge of the vertical bent bus duct, and the horizontal pressing cylinder is used to laterally press the vertical edge of the vertical bent bus duct.

[0012] By adopting the above technical solution, the limit frame is used to contact the back side of the vertical edge of the vertical bent bus duct, thereby providing support force for the vertical edge of the vertical bent bus duct, and then the vertical edge of the vertical bent bus duct is transversely compressed by extending the transverse pressure cylinder, which is beneficial to improve the compression effect of the vertical edge of the vertical bent bus duct.

[0013] Preferably, it also includes a second workbench, which is used to place the horizontal bent bus duct. The second workbench is provided with two pressing mechanisms on the side, and the two pressing mechanisms are respectively used to press down the horizontal edge and corner position of the horizontal bent bus duct.

[0014] By adopting the above technical solution, a second workbench is added to provide support force for the pressing process of the horizontal bent bus duct, and two pressing mechanisms are used to press the horizontal edges and corner positions of the horizontal bent bus duct downward respectively, which is beneficial to improving the pressing effect and pressing efficiency of the horizontal bent bus duct.

[0015] Preferably, the first workbench and the second workbench are assembled side by side to form a total workbench, the downward pressing mechanism and the vertical pressing mechanism are disposed on both sides of the total workbench, and a horizontal driving assembly for driving the vertical pressing mechanism to move horizontally back and forth between the first workbench and the second workbench is provided on the side of the total workbench. When the horizontal bent bus duct is compressed, the two downward pressing mechanisms are respectively located above one of the horizontal sides and above the corner position of the horizontal bent bus duct, and the horizontal driving assembly drives the vertical pressing mechanism to move to above the other horizontal side of the horizontal bent bus duct on the second workbench, and the vertical pressing mechanism and the two downward pressing mechanisms simultaneously compress the horizontal bent bus duct.

[0016] By adopting the above technical scheme, the first workbench and the second workbench are combined into a total workbench, and the vertical pressing mechanism is driven to move horizontally back and forth between the first workbench and the second workbench through the horizontal driving component, so that the horizontal bent bus duct or the vertical bent bus duct can be clamped according to actual processing needs. When processing the horizontal bent bus duct, the vertical pressing mechanism cooperates with the two downward pressing mechanisms to clamp the horizontal bent bus duct at the same time, which is beneficial to further improve the clamping effect and clamping efficiency of the horizontal bent bus duct on the basis of reducing the number of downward pressing mechanisms.

[0017] A right-angle bus duct pressing method, using a right-angle bus duct pressing device, comprises the following steps: When pressing the vertical bent bus duct, first place the vertical bent bus duct on the surface of the first workbench so that the back side of the vertical edge contacts the side of the limit seat, and then the vertical pressing mechanism, the horizontal pressing mechanism and the oblique pressing mechanism are put into place, and the horizontal edge, the vertical edge and the corner position of the vertical bent bus duct are pressed respectively; When compacting the horizontal bent bus duct, place it in place on the second workbench, and two pressing mechanisms are respectively located above the corner position of the horizontal bent bus duct and above one of the horizontal sides. The two pressing mechanisms simultaneously press the horizontal bent bus duct downward. After the compaction is completed, the two pressing mechanisms are reset, and then the horizontal bent bus duct is reversed so that the uncompacted horizontal side of the horizontal bent bus duct moves to the bottom of one of the pressing mechanisms, and then the pressing mechanism is started, and the summer pressing mechanism presses the uncompacted horizontal side.

[0018] A right-angle bus duct pressing method, using a right-angle bus duct pressing device, comprises the following steps: When the horizontal bent bus duct is pressed, the horizontal bent bus duct is placed on the second workbench, and the two pressing mechanisms are respectively located above the corner position of the horizontal bent bus duct and above one of the horizontal sides. The horizontal driving mechanism is started to drive the vertical pressing mechanism to move to the top of the other horizontal side of the horizontal bent bus duct. The two pressing mechanisms simultaneously press the horizontal bent bus duct downwards. After the pressing is completed, the two pressing mechanisms are reset, and then the horizontal bent bus duct is reversed, so that the unpressed horizontal edge of the horizontal bent bus duct moves to the bottom of one of the pressing mechanisms, and the vertical pressing mechanism and the two pressing mechanisms are started at the same time to synchronously press the two horizontal edges and corner positions of the horizontal bent bus duct.

[0019] In summary, the present application includes at least one of the following beneficial technical effects: 1. By setting a limit seat on the workbench to contact the back side of the vertical side of the vertical bent bus duct, the vertical bus duct is positioned and supported, and then the horizontal side, vertical side and corner position of the vertical bent bus duct are pressed by the vertical pressing mechanism, the horizontal pressing mechanism and the oblique pressing mechanism respectively, so that each position of the vertical bent bus duct can be pressed, especially at the corner of the vertical bent bus duct, which is conducive to improving the pressing effect and efficiency of the vertical bent bus duct; 2. By adding a second workbench, support force is provided for the pressing process of the horizontal bent bus duct, and two pressing mechanisms are used to press down the horizontal edge and the corner position of the horizontal bent bus duct respectively, which is conducive to improving the pressing effect and efficiency of the horizontal bent bus duct; 3. By merging the first workbench and the second workbench into a total workbench, and driving the vertical pressing mechanism to move horizontally back and forth between the first workbench and the second workbench through the horizontal driving assembly, it is possible to perform the clamping operation of the horizontal bent bus duct or the vertical bent bus duct according to actual processing needs. When processing the horizontal bent bus duct, the vertical pressing mechanism cooperates with the two downward pressing mechanisms to clamp the horizontal bent bus duct at the same time, which is beneficial to further improve the clamping effect and clamping efficiency of the horizontal bent bus duct on the basis of reducing the number of downward pressing mechanisms. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of a right-angle bus duct clamping device according to Example 1 of the present application.

[0021] Figure 2 It is a structural schematic diagram of the first workbench in a right-angle bus duct clamping device in Example 1 of the present application.

[0022] Figure 3 It is a schematic diagram of the overall structure of a right-angle bus duct clamping device according to Example 2 of the present application.

[0023] Explanation of the reference numerals in the accompanying drawings: 1. Main working table; 11. First working table; 12. Second working table; 13. Limit seat; 14. Longitudinal cylinder; 2. Vertical pressing mechanism; 21. Vertical frame; 22. Horizontal frame; 23. Vertical pressing cylinder; 3. Oblique pressing mechanism; 31. Oblique pressing assembly; 311. Connecting rod; 312. Pressing block; 4. Horizontal pressing mechanism; 41. Limit frame; 42. Horizontal pressing cylinder; 5. Downward pressing mechanism; 6. Vertically bent bus duct; 7. Horizontally bent bus duct; 8. Horizontal driving assembly. DETAILED DESCRIPTION

[0024] The following is combined with Figure 1-3 This application is described in further detail.

[0025] Embodiment 1 of the present application discloses a right-angle bus duct clamping device, referring to Figure 1 and Figure 2 The embodiment of the present application provides a right-angle bus duct clamping device, comprising a first workbench 11, a vertical pressing mechanism 2, a horizontal pressing mechanism 4 and an oblique pressing mechanism 3. The first workbench 11 is used to place the vertical bent bus duct 6, and a limit seat 13 is provided on the first workbench 11, and the limit seat 13 is used to contact with the back side of the vertical edge of the vertical bent bus duct 6; the vertical pressing mechanism 2 is used to vertically press the horizontal edge of the vertical bent bus duct 6 on the first workbench 11; the horizontal pressing mechanism 4 is used to horizontally press the vertical edge of the vertical bent bus duct 6 on the first workbench 11; the oblique pressing mechanism 3 is used to perform 45° oblique pressing on the corner position of the vertical bent bus duct 6 on the first workbench 11, thereby achieving the purpose of improving the pressing effect and pressing efficiency of the bus duct.

[0026] Specifically, the first workbench 11 is a metal plate with high strength and corrosion resistance. The limit seat 13 is fixed to the first workbench 11 by bolts, and the height of the limit seat 13 can be adjusted according to the size of the vertical bent bus duct 6 so as to better fit the vertical side back of the vertical bent bus duct 6.

[0027] The vertical pressing mechanism 2 includes a vertical frame 21, a horizontal frame 22 and a vertical pressing cylinder 23. The vertical frame 21 is fixed on the first workbench 11, and the horizontal frame 22 is rotatably connected to the vertical frame 21, and the rotation axis of the horizontal frame 22 is vertically arranged. The vertical pressing cylinder 23 is vertically arranged downward at the end of the horizontal frame 22, and a rubber pad is installed at the end of its piston rod to prevent damage to the bus duct. The piston rod of the vertical pressing cylinder 23 can extend and press the horizontal edge of the vertical bent bus duct 6 downward.

[0028] The horizontal pressing mechanism 4 includes a limit frame 41 and a horizontal pressing cylinder 42. A longitudinal cylinder 14 is installed on the side of the first workbench 11. The longitudinal cylinder 14 is raised by a support frame, and the height of the support frame can be adjusted according to the size of the vertical bent bus duct 6. The limit frame 41 is U-shaped, and the limit frame 41 and the piston rod end of the longitudinal cylinder 14 are detachably connected. The horizontal pressing cylinder 42 is horizontally installed at one end of the limit frame 41, and a rubber pad is also installed at the end of the piston rod of the horizontal pressing cylinder 42 to prevent damage to the bus duct. Through the extension of the longitudinal cylinder 14, the limit frame 41 is moved to the top of the limit seat 13, and the back side of the vertical bent bus duct 6 is abutted against the inner side of one end of the limit frame 41, and the piston rod of the horizontal pressing cylinder 42 at the other end of the limit frame 41 is extended and the vertical side of the vertical bent bus duct 6 is horizontally pressed. In other embodiments, the longitudinal cylinder 14 can be removed, and the staff can directly lift the limit frame 41 to the vertical edge of the vertical bent bus duct 6 to perform the pressing work.

[0029] The oblique pressing mechanism 3 includes two slide rod components, an oblique pressing assembly 31 and an oblique pressing driving member. The two slide rod components are parallel to each other and have an angle of 45° with the surface of the first workbench 11. When the vertical bent bus duct 6 is in place on the surface of the first workbench 11, the two slide rod components are symmetrically distributed on both sides of the vertical bent bus duct 6. The two ends of the oblique pressing assembly 31 are respectively a hinged end and a free end. The hinged end is hinged to the end of one of the slide rod components, and the free end is detachably connected to the end of the other slide rod component. Specifically, the free end is fixed to the end of the corresponding slide rod component by a latch. The oblique pressing assembly 31 is facing the corner position of the vertical bent bus duct 6. The oblique pressing driving member is used to drive the slide rod component to slide along its own length direction, so as to drive the oblique pressing assembly 31 to press along the extension direction of the angular bisector of the vertical bent bus duct 6. In the present embodiment, the oblique pressing driving member is specifically an oblique cylinder installed inside the first workbench 11, which is a commonly used telescopic driving member and will not be repeated again.

[0030] During the actual operation, first place the vertical bent bus duct 6 on the surface of the first workbench 11 so that the back side of the vertical edge contacts the side of the limit seat 13. Then start the vertical pressing mechanism 2, and swing the horizontal frame 22 horizontally to move the vertical pressing cylinder 23 to the top of the horizontal edge of the vertical bent bus duct 6. Start the vertical pressing cylinder 23, and the vertical pressing cylinder 23 extends downward to complete the clamping action on the horizontal edge of the vertical bent bus duct 6. Then start the horizontal pressing mechanism 4, and press the vertical edge of the vertical bent bus duct 6 laterally by extending the horizontal pressing cylinder 42. Finally, start the oblique pressing mechanism 3, and drive the sliding rod component to slide along its own length direction through the oblique pressing driving member, driving the oblique pressing assembly 31 to press along the extension direction of the angular bisector of the vertical bent bus duct 6, thereby achieving comprehensive clamping of the vertical bent bus duct 6. In this embodiment, the oblique pressing assembly 31 is composed of a connecting rod 311 and a pressing block 312. The pressing block 312 is adapted to the corner position of the vertical curved bus duct 6 to improve the squeezing effect of the pressing block 312 on the corner position of the vertical curved bus duct 6. The pressing block 312 is located in the middle of the connecting rod 311, and the two ends of the connecting rod 311 are respectively connected to two sliding rod components.

[0031] The right-angle busbar clamping device also includes a second workbench 12 for placing the horizontal bent busbar 7. Two pressing mechanisms 5 are installed on the second workbench 12. In this embodiment, the pressing mechanism 5 has the same structure and working principle as the vertical pressing mechanism 2, which will not be described in detail. In this embodiment, the two pressing mechanisms 5 are respectively used to press down the horizontal side and the corner position of the horizontal bent busbar. In addition, the first workbench 11 and the second workbench 12 are assembled side by side to form a total workbench 1.

[0032] Embodiment 1 provides a right-angle bus duct pressing method, using a right-angle bus duct pressing device, including the following steps: When the vertical bent bus duct 6 is pressed, the vertical bent bus duct 6 is first placed on the surface of the first workbench 11, so that the back side of the vertical edge is in contact with the side of the limit seat 13, and then the vertical pressing mechanism 2, the horizontal pressing mechanism 4 and the oblique pressing mechanism 3 are put in place, and the horizontal edge, the vertical edge and the corner position of the vertical bent bus duct 6 are pressed respectively; When the horizontal bent bus duct 7 is compressed, the horizontal bent bus duct 7 is placed in place on the second workbench 12, and the two pressing mechanisms 5 are respectively located above the corner position of the horizontal bent bus duct 7 and above one of the horizontal sides. The two pressing mechanisms 5 simultaneously press the horizontal bent bus duct 7 downward. After the compression is completed, the two pressing mechanisms 5 are reset, and then the horizontal bent bus duct 7 is reversed, so that the uncompressed horizontal side of the horizontal bent bus duct 7 moves to the bottom of one of the pressing mechanisms 5, and then the pressing mechanism 5 is started, and the summer pressing mechanism 5 presses the uncompressed horizontal side.

[0033] Through the coordinated action of the vertical pressing mechanism 2, the horizontal pressing mechanism 4 and the oblique pressing mechanism 3, the horizontal side, vertical side and corner position of the vertical bent bus duct 6 are pressed in all directions, thereby improving the pressing effect and efficiency. In particular, the design of the oblique pressing mechanism 3 solves the problem of poor pressing effect of the traditional pressing device at the corner position by pressing the corner position at 45° obliquely, thereby improving the applicability and reliability of the overall pressing device.

[0034] Example 2 Reference Figure 2 The difference between Example 2 and Example 1 is that: the downward pressing mechanism 5 and the vertical pressing mechanism 2 of Example 2 are respectively placed on both sides of the main workbench 1, and a horizontal driving component 8 is installed on the side of the main workbench 1 for driving the vertical pressing mechanism 2 to move horizontally back and forth between the first workbench 11 and the second workbench 12.

[0035] The transverse drive assembly 8 may be a conventional linear drive module, a transverse screw transmission mechanism, or a transverse drive cylinder and a guide rail.

[0036] In actual operation, when the vertical curved bus duct 6 is compressed, the operation steps are the same as those in Embodiment 1. However, there are differences when the horizontal curved bus duct 7 is compressed.

[0037] In Example 2, when the horizontal bent bus duct 7 is compressed, the horizontal bent bus duct 7 is first placed in place on the second workbench 12, and the two pressing mechanisms 5 are respectively located above the corner position of the horizontal bent bus duct 7 and above one of the horizontal edges, and the two pressing mechanisms 5 are started to press the horizontal bent bus duct 7 downward. After the compression is completed, the two pressing mechanisms 5 are reset, and then the horizontal bent bus duct 7 is reversed, so that the uncompressed horizontal edge of the horizontal bent bus duct 7 moves to the bottom of one of the pressing mechanisms 5, and the pressing mechanism 5 is started again to compress the uncompressed horizontal edge. If it is necessary to compress the two horizontal edges and the corner position of the horizontal bent bus duct 7 synchronously, the horizontal drive assembly 8 can be started to move the vertical pressing mechanism 2 to the top of another horizontal edge of the horizontal bent bus duct 7, and then the vertical pressing mechanism 2 and the two pressing mechanisms 5 are started at the same time to compress the two horizontal edges and the corner position of the horizontal bent bus duct 7 synchronously.

[0038] The horizontal side and corner positions of the horizontal curved bus duct 7 are respectively pressed by two pressing mechanisms 5, ensuring the uniformity and stability of the pressing. The vertical pressing mechanism 2 is flexibly switched between the first workbench 11 and the second workbench 12 by the arrangement of the horizontal driving assembly 8, and the pressing operation of the vertical curved bus duct 6 and the horizontal curved bus duct 7 can be completed on the same device, improving the versatility and flexibility of the device. The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A right-angle bus duct clamping device, characterized in that: include: A first workbench (11), the first workbench (11) is used to place the vertical bent bus duct (6), the first workbench (11) is provided with a limit seat (13), the limit seat (13) is used to contact with the back side of the vertical side of the vertical bent bus duct (6); A vertical pressing mechanism (2), the vertical pressing mechanism (2) being used to vertically press the horizontal edge of the vertically bent bus duct (6) on the first workbench (11); A horizontal pressing mechanism (4), the horizontal pressing device being used to horizontally press the vertical edge of the vertical bent bus duct (6) on the first workbench (11); An oblique pressing mechanism (3) is used to press the vertical bent bus duct (6) on the first workbench (11) at an angle of 45°.

2. The right-angle bus duct clamping device according to claim 1 is characterized in that: The oblique pressing mechanism (3) comprises two slide bar components, an oblique pressing assembly (31) arranged between the two slide bar components, and an oblique pressing driving member for driving the two slide bar components to slide. The two slide bar components are parallel to each other and have an angle of 45° with the surface of the first workbench (11). When the vertical bent bus duct (6) is in place on the surface of the first workbench (11), the two slide bar components are symmetrically distributed on both sides of the vertical bent bus duct (6). The two ends of the oblique pressing assembly (31) are respectively a hinged end and a free end. The hinged end of the oblique pressing assembly (31) is hinged to the end of one of the slide bar components, and the free end of the oblique pressing assembly (31) is detachably connected to the end of the other slide bar component. When the pressing assembly is at a turning angle position toward the vertical bent bus duct (6), the oblique pressing driving member is used to drive the slide bar component to slide along its own length direction, so as to drive the oblique pressing assembly (31) to be pressed along the extension direction of the angular bisector of the vertical bent bus duct (6).

3. The right-angle bus duct clamping device according to claim 1 is characterized in that: The vertical pressing mechanism (2) comprises a vertical frame (21) arranged on the side of the first workbench (11), a horizontal frame (22) rotatably connected to the vertical frame (21), and a vertical pressing cylinder (23) arranged vertically downward on the horizontal frame (22), wherein the rotation axis of the horizontal frame (22) is arranged vertically.

4. The right-angle bus duct clamping device according to claim 1 is characterized in that: The horizontal pressing mechanism (4) comprises a limit frame (41) and a horizontal pressing cylinder (42) arranged transversely on the limit frame (41), wherein the limit frame (41) is used to abut against the back side of the vertical edge of the vertical bent bus duct (6), and the horizontal pressing cylinder (42) is used to press the vertical edge of the vertical bent bus duct (6) transversely.

5. The right-angle bus duct clamping device according to any one of claims 1 to 4, characterized in that: It also includes a second workbench (12), which is used to place the horizontal bent bus duct (7). The second workbench (12) is provided with two pressing mechanisms (5) on the side, and the two pressing mechanisms (5) are respectively used to press down the horizontal edge and the corner position of the horizontal bent bus duct (7).

6. The right-angle bus duct clamping device according to claim 5 is characterized in that: The first workbench (11) and the second workbench (12) are assembled side by side to form a total workbench (1); the downward pressing mechanism (5) and the vertical pressing mechanism (2) are arranged on both sides of the total workbench (1); a horizontal driving assembly (8) is arranged on the side of the total workbench (1) for driving the vertical pressing mechanism (2) to move horizontally back and forth between the first workbench (11) and the second workbench (12); when the horizontal bent bus duct (7) is compressed, the two downward pressing mechanisms (5) are respectively located above one of the horizontal sides and above the corner position of the horizontal bent bus duct (7); the horizontal driving assembly (8) drives the vertical pressing mechanism (2) to move to above the other horizontal side of the horizontal bent bus duct (7) on the second workbench (12); and the vertical pressing mechanism (2) and the two downward pressing mechanisms (5) simultaneously compress the horizontal bent bus duct (7).

7. A right-angle bus duct pressing method, using the right-angle bus duct pressing device according to claim 5, characterized in that: The following steps are involved: When the vertical bent bus duct (6) is pressed, the vertical bent bus duct (6) is first placed on the surface of the first workbench (11) so that the back side of the vertical edge contacts the side of the limit seat (13), and then the vertical pressing mechanism (2), the horizontal pressing mechanism (4) and the oblique pressing mechanism (3) are put into place, and the horizontal edge, the vertical edge and the corner position of the vertical bent bus duct (6) are pressed respectively; When the horizontal bent bus duct (7) is pressed, the horizontal bent bus duct (7) is placed in place on the second workbench (12), and the two pressing mechanisms (5) are respectively located above the corner position of the horizontal bent bus duct (7) and above one of the horizontal edges. The two pressing mechanisms (5) simultaneously press the horizontal bent bus duct (7) downward. After the pressing is completed, the two pressing mechanisms (5) are reset, and then the horizontal bent bus duct (7) is reversed, so that the unpressed horizontal edge of the horizontal bent bus duct (7) is moved to the bottom of one of the pressing mechanisms (5), and then the pressing mechanism (5) is started, and the summer pressing mechanism (5) presses the unpressed horizontal edge.

8. A right-angle bus duct pressing method, using the right-angle bus duct pressing device according to claim 6, characterized in that: The following steps are involved: When the horizontal bent bus duct (7) is pressed, the horizontal bent bus duct (7) is placed in place on the second workbench (12), and the two pressing mechanisms (5) are respectively located above the corner position of the horizontal bent bus duct (7) and above one of the horizontal sides. The horizontal driving mechanism is started to drive the vertical pressing mechanism (2) to move to the top of the other horizontal side of the horizontal bent bus duct (7). The two pressing mechanisms (5) simultaneously press the horizontal bent bus duct (7) downward. After the pressing is completed, the two pressing mechanisms (5) are reset, and then the horizontal bent bus duct (7) is reversed so that the unpressed horizontal side of the horizontal bent bus duct (7) moves to the bottom of one of the pressing mechanisms (5). The vertical pressing mechanism (2) and the two pressing mechanisms (5) are started at the same time to synchronously press the two horizontal sides and the corner position of the horizontal bent bus duct (7).

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