Large compensating shaft connection assembly device

Abstract

The present invention belongs to the field of metallurgical equipment, and specifically relates to a large-scale compensating shaft connection assembly device, including a workbench, a movable bearing platform and a lifting bearing platform. The movable bearing platform is arranged on the workbench and moves along the linear guide rail on the workbench. The movable bearing platform includes a bearing portion, and the bearing portion is generally in the shape of a groove with an opening upward, and is used to carry a sliding key shaft. The lifting bearing platform is arranged on the workbench, located in the extension direction of the linear guide rail, and includes a bearing roller, a roller support and a lifting device. The bearing roller is arranged on the roller support and is used to carry a sleeve shaft. The bearing roller includes two bearing rollers arranged side by side. The lifting device is arranged on the workbench and is used to promote the lifting and lowering of the roller support. The present invention reduces the difficulty of operation, simplifies the operating steps, and reduces safety risks when repairing large-scale compensating shafts. It is an equipment maintenance device that is easy to operate and implement.

Description

Technical Field

[0001] The invention belongs to the field of metallurgical equipment, and in particular relates to a large-scale compensating shaft connection assembly device. Background Art

[0002] In metallurgical production, many devices rely on couplings to transmit torque. As the specifications and models of metallurgical products increase, the size of couplings is also getting larger. Among the types of couplings, there is a compensating coupling (that is, the length of the coupling itself changes within a certain range with the operation of the on-site equipment) composed of a key side and a sleeve side. During the maintenance of this type of coupling, the most tedious step is to connect the key side with the sleeve side. The original maintenance method is to use a crane for lifting connection. This connection method is prone to collision damage between the key and the keyway, and the larger the size and weight of the coupling, the more likely it is to be damaged by assembly.

[0003] Therefore, it is necessary to provide an improved technical solution to address the above-mentioned deficiencies in the prior art. Summary of the invention

[0004] The purpose of the present invention is to provide a large-scale compensating shaft coupling connection assembly device, so as to at least solve the problems that the current large-scale compensating shaft coupling connection is difficult to operate and prone to collision damage during connection.

[0005] In order to achieve the above object, the present invention provides the following technical solutions:

[0006] A large-scale compensating shaft connection assembly device, the assembly device includes a workbench, a movable bearing platform and a lifting bearing platform; specifically: the workbench has a supporting and bearing function, and a linear guide rail is arranged on the workbench; the movable bearing platform is arranged on the workbench and moves along the linear guide rail, the movable bearing platform includes a bearing part, the bearing part is in the shape of a groove with an opening upward, and is used to carry a sliding key shaft; the lifting bearing platform is arranged on the workbench, located in the extension direction of the linear guide rail, the lifting bearing platform includes a bearing roller, a roller support and a lifting device, the bearing roller is arranged on the roller support, and is used to carry a sleeve shaft, the bearing roller includes two bearing rollers arranged side by side, the lifting device is arranged on the workbench, and is used to promote the lifting and lowering of the roller support, and the axial direction of the bearing roller is parallel to the axial direction of the sleeve shaft.

[0007] In the large-scale compensating shaft connection assembly device as described above, as a preferred embodiment, the assembly device also includes an auxiliary mechanical arm, which is arranged between the movable support platform and the lifting support platform and is located above the workbench. The auxiliary mechanical arm includes a fixed frame and a guide roller. Two guide rollers are provided. The two guide rollers are arranged opposite to each other and are respectively arranged at both ends of the fixed frame. The distance between the inner edges of the two guide rollers is equal to the outer diameter of the sliding key shaft. The two guide rollers are symmetrically arranged relative to the vertical plane where the axis of the sleeve shaft is located.

[0008] In the large-scale compensating shaft connection assembly device as described above, as a preferred embodiment, the auxiliary robotic arm also includes a working rod, a column is arranged on the workbench, the working rod is installed on the column, the fixed frame is arranged at one end of the working rod, the distance between one end of the working rod and the column is adjustable, the two guide rollers on the fixed frame are respectively a fixed guide roller and a movable guide roller, the rotating shaft of the fixed guide roller is fixedly arranged at one end of the fixed frame, and the distance between the movable guide roller and the fixed guide roller is adjustable.

[0009] In the large-scale compensating shaft connection assembly device as described above, as a preferred embodiment, the auxiliary robotic arm also includes a movable bracket and a robotic arm working hydraulic cylinder, the movable guide roller is installed on the movable bracket, the fixed frame is provided with a guide long hole, the movable bracket moves horizontally along the guide long hole, the cylinder body of the robotic arm working hydraulic cylinder is provided on the fixed frame, the piston rod end of the robotic arm working hydraulic cylinder is connected to the movable bracket, and the distance between the movable guide roller and the fixed guide roller is adjusted by the extension and retraction of the robotic arm working hydraulic cylinder.

[0010] In the large-scale compensating shaft connection assembly device as described above, as a preferred solution, a vertical lifting hydraulic cylinder is provided on the column, and the working rod is provided at the end of the piston rod of the lifting hydraulic cylinder.

[0011] In the large-scale compensating shaft connection assembly device as described above, as a preferred solution, a lead screw and a drive motor are also provided on the workbench, and the drive motor drives the lead screw to rotate. The lead screw is arranged parallel to the linear guide rail, and a lead screw nut is sleeved on the lead screw. The lead screw nut is fixed on the movable supporting platform, and the rotation of the lead screw drives the movable supporting platform to move along the linear guide rail; preferably, two rows of support wheels are provided on the movable supporting platform, and the two rows of support wheels are respectively arranged corresponding to the two tracks of the linear guide rail.

[0012] In the large-scale compensating shaft connection assembly device as described above, as a preferred solution, a first positioning plate is arranged on the movable bearing platform, the first positioning plate is arranged at one end of the bearing part, the upper surface of the first positioning plate is located above the plane where the bottom of the groove of the bearing part is located, and the flange end face of the sliding key shaft is against the first positioning plate when the shaft is assembled.

[0013] In the large-scale compensating shaft connection assembly device as described above, as a preferred embodiment, the bearing portion includes a plurality of support blocks arranged at intervals, and the grooves of the support blocks open upward; preferably, the inner wall of the groove of the support block is provided with a lining, and the surface hardness of the lining is lower than the surface hardness of the sliding key shaft.

[0014] In the large-scale compensating shaft connection assembly device as described above, as a preferred embodiment, a guide rod and a positioning working ring are provided on the roller support, a vertical guide hole is provided on the workbench, the guide rod is installed in the guide hole, and moves up and down along the guide hole, the positioning working ring is provided on the lower surface of the roller support, the inner diameter of the positioning working ring corresponds to the outer diameter of the protruding end of the lifting device, the protruding end of the lifting device extends into the positioning working ring and presses against the lower surface of the roller support, and the guide rod and the positioning working ring are spaced apart.

[0015] In the large-scale compensating shaft connection assembly device as described above, as a preferred embodiment, the lifting bearing platform also includes a second positioning plate, which is arranged on the roller support and located at one end of the bearing roller, and the flange end face of the sleeve shaft is against the second positioning plate during the shaft assembly; preferably, the lifting bearing platform also includes a third positioning plate, which is arranged on the roller support and located between the second positioning plate and the bearing roller, and the spacing between the third positioning plate and the second positioning plate is greater than or equal to the thickness of the flange of the sleeve shaft, and the plane where the upper edge of the third positioning plate is located is located between the lower edge of the sleeve of the sleeve shaft and the lower edge of the flange of the sleeve shaft.

[0016] Compared with the closest prior art, the technical solution provided by the present invention has the following beneficial effects:

[0017] The large compensating shaft connection assembly device provided by the present invention adopts a mobile bearing platform and a lifting bearing platform to respectively carry the sliding key shaft and the sleeve shaft, and adopts an auxiliary mechanical arm to position the sliding key shaft so that it is coaxial with the sleeve shaft in the horizontal direction, and the positioning is convenient and quick; the lifting device is used to drive the lifting bearing platform to move up and down so that the sleeve shaft and the sliding key shaft are coaxial in the vertical direction. The positioning is simple and accurate; the movement of the moving bearing platform is driven by the screw pair, and the driving is stable and reliable. When repairing large compensating shafts, the operating difficulty is reduced, the operating steps are simplified, and the safety risks are reduced. It is an equipment maintenance device that is easy to operate and implement, and is of great significance to the maintenance of large compensating shafts. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. Among them:

[0019] Figure 1 It is a structural schematic diagram of a large-scale compensating shaft connection assembly device according to an embodiment of the present invention;

[0020] Figure 2 It is a structural schematic diagram of a mobile carrying platform according to an embodiment of the present invention;

[0021] Figure 3 This is a front view of a mobile carrying platform according to an embodiment of the present invention;

[0022] Figure 4 This is a structural schematic diagram of a lifting and lowering bearing platform according to an embodiment of the present invention;

[0023] Figure 5 It is a rear view of the lifting and lowering platform according to an embodiment of the present invention;

[0024] Figure 6 A bottom view of the lifting platform according to an embodiment of the present invention;

[0025] Figure 7 This is a schematic diagram of the structure of the auxiliary mechanical arm according to an embodiment of the present invention;

[0026] Figure 8 It is a schematic diagram of the use of a large-scale compensating shaft connection assembly device according to an embodiment of the present invention.

[0027] In the figure: 1. workbench; 2. movable bearing platform; 3. lifting bearing platform; 4. linear guide rail; 5. sliding key shaft; 6. bearing roller; 7. roller support; 8. lifting device; 9. sleeve shaft; 10. working motor; 11. support block; 12. auxiliary robot arm; 13. fixed frame; 14. working rod; 15. column; 16. fixed guide roller; 17. movable guide roller; 18. movable bracket; 19. robot arm working hydraulic cylinder; 20. lifting hydraulic cylinder; 21. screw; 22. driving motor; 23. screw nut; 24. supporting wheel; 25. first positioning plate; 26 second positioning plate; 27. third positioning plate; 28. guide rod; 29. ​​positioning working ring. DETAILED DESCRIPTION

[0028] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present invention can be combined with each other without conflict.

[0029] In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention. The terms "connected" and "connected" used in the present invention should be understood in a broad sense. For example, they can be fixed connections or detachable connections; they can be directly connected or indirectly connected through intermediate components. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0030] According to an embodiment of the present invention, Figures 1 to 8 As shown, the present invention provides a large-scale compensating shaft connection assembly device, which includes a workbench 1, a movable bearing platform 2 and a lifting bearing platform 3.

[0031] Specifically, the workbench 1 has a supporting and bearing function, and a linear guide rail 4 is arranged on the workbench 1. The movable bearing platform 2 is arranged on the workbench 1 and moves along the linear guide rail 4. The movable bearing platform 2 includes a bearing portion, which is in the shape of a groove with an opening upward to form a receiving space, that is, in a U shape, for carrying a sliding key shaft 5. The lifting bearing platform 3 is arranged on the workbench 1 and is located in the extension direction of the linear guide rail 4. The lifting bearing platform 3 includes a bearing roller 6, a roller support 7 and a lifting device 8. The bearing roller 6 is arranged on the roller support 7 and is used to carry a sleeve shaft 9. The bearing roller 6 includes two bearing rollers arranged side by side, and the axial direction of the bearing roller is parallel to the axial direction of the sleeve shaft 9. The lifting device 8 is arranged on the workbench 1 and is used to promote the lifting and lowering of the roller support 7. In this embodiment, a working motor 10 is arranged on the roller support 7. The working motor 10 is connected to the rotating shaft of one of the bearing rollers to drive the bearing roller to rotate.

[0032] When in use, move the mobile carrier 2 to the vicinity of the left end of the workbench 1, hang the sliding key shaft 5 on the mobile carrier 2, hang the sleeve shaft 9 on the bearing roller 6 of the lifting carrier 3, slowly move the mobile carrier 2, and when the right end of the sliding key shaft 5 is close to the left end of the sleeve shaft 9, stop the mobile carrier 2, adjust the lifting device 8 so that the axis of the sleeve shaft 9 and the sliding key shaft 5 are in the same horizontal plane, and then move the sliding key shaft 5 to correspond to the interface of the sleeve shaft 9 (that is, the axis of the sliding key shaft 5 coincides with the axis of the sleeve shaft 9), and then slowly rotate the bearing roller to drive the sleeve shaft 9 to rotate, so that the keyway in the sleeve shaft 9 corresponds to the key of the sliding key shaft 5, and finally slowly move the mobile carrier 2 forward, and sleeve the sliding key shaft 5 and the sleeve shaft 9 together to complete the connection and assembly process of the entire compensating shaft. The directional words left and right here are relative to Figure 1 Speaking of.

[0033] Furthermore, the bearing portion includes a plurality of support blocks 11 arranged at intervals, and the grooves of the support blocks 11 open upward, so that the support blocks 11 are U-shaped; the plurality of support blocks 11 are arranged at intervals to reduce the contact area between the support portion and the sliding key shaft 5, and reduce the chance of collision. When in use, the number of support blocks 11 can be increased or decreased according to the length of the sliding key shaft 5 to be supported to achieve stable support for the sliding key shaft 5. Preferably, the inner wall of the groove of the support block 11 is provided with a lining layer (not shown) to avoid collision with the sliding key shaft 5 and damage to the sliding key shaft 5. The hardness of the lining layer is lower than that of the sliding key shaft 5, and can be a softer metal such as aluminum and copper, or can also be a non-metallic material such as plastic, rubber, bakelite, etc., preferably a rubber material, which can not only avoid collisions, but also has an anti-slip function.

[0034] Furthermore, the assembly device also includes an auxiliary mechanical arm 12, which is arranged between the movable bearing platform 2 and the lifting bearing platform 3, and is located above the workbench 1. The auxiliary mechanical arm 12 includes a fixed frame 13 and guide rollers. Two guide rollers are provided, and the two guide rollers are arranged opposite to each other and are respectively arranged at the two ends of the fixed frame 13. The distance between the inner edges of the two guide rollers is equal to the outer diameter of the sliding key shaft 5, and the two guide rollers are symmetrically arranged relative to the vertical plane where the axis of the sleeve shaft 9 is located. The two guide rollers are used to constrain the sliding key shaft 5 so that its axis and the axis of the sleeve shaft 9 are located in the same vertical plane, which is more accurate and labor-saving than manual manipulation. It also avoids accidental squeezing of fingers during manual manipulation.

[0035] Furthermore, the auxiliary robot arm 12 also includes a working rod 14, a column 15 is provided on the workbench 1, and the column 15 is provided on one side of the middle position of the workbench 1. The working rod 14 is mounted on the column 15, and the fixed frame 13 is provided at one end of the working rod 14. The distance between one end of the working rod 14 and the column 15 is adjustable. Specifically, a strip hole is provided on the working rod 14, and the working rod 14 is fixed to the column 15 through the strip hole. When in use, the position of the column 15 relative to the strip hole can be adjusted as needed to adjust the distance between one end of the working rod 14 and the column 15. The two guide rollers on the fixed frame 13 are a fixed guide roller 16 and a movable guide roller 17. The rotating shaft of the fixed guide roller 16 is fixedly provided at one end of the fixed frame 13, and the distance between the movable guide roller 17 and the fixed guide roller 16 is adjustable.

[0036] Furthermore, the auxiliary robotic arm 12 also includes a mobile bracket 18 and a robotic arm working hydraulic cylinder 19, the mobile guide roller 17 is installed on the mobile bracket 18, a guide long hole is provided on the fixed frame 13, the mobile bracket 18 moves horizontally along the guide long hole, the cylinder body of the robotic arm working hydraulic cylinder 19 is provided on the fixed frame 13, the piston rod end of the robotic arm working hydraulic cylinder 19 is connected to the mobile bracket 18, and the distance between the mobile guide roller 17 and the fixed guide roller 16 is adjusted by the extension and retraction of the robotic arm working hydraulic cylinder 19. When in use, first adjust the position of the working rod 14 so that the guide side of the fixed guide roller 16 (that is, the side where the fixed guide roller 16 will contact the sliding key shaft 5) is located in the vertical plane of the corresponding side edge of the sleeve shaft 9, and then move the movable support platform 2 to the right end of the sliding key shaft 5 close to the left end of the sleeve shaft 9, start the mechanical arm working hydraulic cylinder 19 to contract, so that the movable guide roller 17 moves closer to the fixed guide roller 16, and the sliding key shaft 5 is fixedly clamped. At this point, the axes of the sliding key shaft 5 and the sleeve shaft 9 are located in the same vertical plane.

[0037] Furthermore, a vertical lifting hydraulic cylinder 20 is provided on the column 15, and the working rod 14 is provided at the piston rod end of the lifting hydraulic cylinder 20. When in use, the height of the working rod 14 can be adjusted according to the outer diameter of the sliding key shaft 5, so that the two guide rollers can be clamped at appropriate positions on both sides of the sliding key shaft 5.

[0038] Furthermore, the workbench 1 is also provided with a lead screw 21 and a drive motor 22. The drive motor 22 drives the lead screw 21 to rotate. The lead screw 21 is arranged parallel to the linear guide rail 4. A lead screw nut 23 is sleeved on the lead screw 21. The lead screw nut 23 is fixed on the movable supporting platform 2. The rotation of the lead screw 21 drives the movable supporting platform 2 to move along the linear guide rail 4. The use of a lead screw pair (the lead screw 21 cooperates with the lead screw nut 23) to drive can make the movement of the movable supporting platform 2 more stable.

[0039] Preferably, two rows of support wheels 24 are provided on the mobile bearing platform 2, and the two rows of support wheels 24 are respectively provided corresponding to the two tracks of the linear guide rail 4, and the support wheels 24 can be made of steel to enhance the bearing capacity. The rows of support wheels 24 are provided corresponding to the tracks, and the friction during movement can be minimized while ensuring the bearing capacity.

[0040] Furthermore, a first positioning plate 25 is provided on the movable supporting platform 2. The first positioning plate 25 is arranged at one end of the supporting portion. The upper surface of the first positioning plate 25 is located above the plane where the groove bottom of the supporting portion is located. When the connecting shaft is assembled, the flange end face of the sliding key connecting shaft 5 rests on the first positioning plate 25.

[0041] Furthermore, the lifting platform 3 further includes a second positioning plate 26, which is arranged on the roller support 7 and located at one end of the bearing roller 6. When the shaft is assembled, the flange end face of the sleeve shaft 9 abuts against the second positioning plate 26;

[0042] Preferably, the lifting bearing platform 3 further comprises a third positioning plate 27, which is arranged on the roller support 7, between the second positioning plate 26 and the bearing roller 6, the spacing between the third positioning plate 27 and the second positioning plate 26 is greater than or equal to the thickness of the flange of the sleeve connecting shaft 9, and the plane where the upper edge of the third positioning plate 27 is located is located between the lower edge of the sleeve of the sleeve connecting shaft 9 and the lower edge of the flange of the sleeve connecting shaft 9. In other words, the distance between the third positioning plate 27 and the axis of the sleeve connecting shaft 9 on the bearing roller 6 is greater than the outer radius of the sleeve connecting shaft 9, and less than the radius of the flange of the sleeve connecting shaft 9.

[0043] The provision of the first positioning plate 25 and the second positioning plate 26 can prevent the sliding key coupling 5 or the sleeve coupling 9 from slipping on the supporting platform and affecting the assembly when the coupling is assembled. The third positioning plate 27 and the second positioning plate 26 can be used together to prevent the assembled coupling from being moved away from the supporting roller 6 and sliding down to injure people during the withdrawal of the mobile supporting platform 2.

[0044] Further, the roller support 7 is provided with a guide rod 28 and a positioning working ring 29, the workbench 1 is provided with a vertical guide hole, the guide rod 28 is installed in the guide hole, and moves up and down along the guide hole, the positioning working ring 29 is provided on the lower surface of the roller support 7, the inner diameter of the positioning working ring 29 corresponds to the outer diameter of the extended end of the lifting device 8, the extended end of the lifting device 8 extends into the positioning working ring 29, and abuts against the lower surface of the roller support 7, and the guide rod 28 and the positioning working ring 29 are spaced apart. Preferably, the lifting device 8 is a jack such as a screw jack.

[0045] When the large-scale compensating shaft connection and assembly device of the present invention is working, the sliding key shaft 5 is suspended on the mobile bearing platform 2, and the sleeve shaft 9 is placed on the bearing roller 6 on the lifting bearing platform 3. When the two shafts are connected, the sliding key shaft 5 is positioned by the auxiliary mechanical arm 12 so that it is coaxial with the sleeve shaft 9 in the horizontal direction. Under the action of the lifting device 8, the lifting bearing platform 3 makes the two shafts (sliding key shaft 5 and sleeve shaft 9) coaxial in the vertical direction. Finally, the bearing roller 6 on the lifting bearing platform 3 is rotated to align the keyway in the sleeve shaft 9 with the sliding key on the sliding key shaft 5. Then, the movable bearing platform 2 is driven to move by the screw 21 to connect the compensating shafts to complete the assembly of the compensating shafts.

[0046] In summary, the large compensating shaft connection assembly device provided by the present invention adopts a mobile bearing platform and a lifting bearing platform to respectively carry the sliding key shaft and the sleeve shaft, and adopts an auxiliary mechanical arm to position the sliding key shaft so that it is coaxial with the sleeve shaft in the horizontal direction, and the positioning is convenient and quick; a lifting device is used to drive the lifting bearing platform to move up and down so that the sleeve shaft and the sliding key shaft are coaxial in the vertical direction. The positioning is simple and accurate; the movement of the moving bearing platform is driven by the screw pair, and the drive is stable and reliable. When repairing large compensating shafts, the operating difficulty is reduced, the operating steps are simplified, and the safety risks are reduced. It is an equipment maintenance device that is easy to operate and implement, and is of great significance to the maintenance of large compensating shafts.

[0047] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A method for using a large-scale compensating shaft connection assembly device, characterized in that: The assembling device comprises: A workbench, the workbench has a supporting and bearing function, and a linear guide rail is arranged on the workbench; A movable bearing platform, the movable bearing platform is arranged on the workbench and moves along the linear guide rail, the movable bearing platform comprises a bearing portion, the bearing portion is in the shape of a groove with an opening upward, and is used to bear the sliding key shaft; A lifting bearing platform, the lifting bearing platform is arranged on the workbench and is located in the extension direction of the linear guide rail. The lifting bearing platform comprises a bearing roller, a roller support and a lifting device. The bearing roller is arranged on the roller support and is used to bear the sleeve shaft. The bearing roller comprises two bearing rollers arranged side by side. The lifting device is arranged on the workbench and is used to promote the lifting of the roller support. The axial direction of the bearing roller is parallel to the axial direction of the sleeve shaft. The assembly device further comprises an auxiliary mechanical arm, which is arranged between the movable bearing platform and the lifting bearing platform and is located above the workbench. The auxiliary mechanical arm comprises a fixed frame and a guide roller. Two guide rollers are provided. The two guide rollers are arranged opposite to each other and are respectively arranged at two ends of the fixed frame. The distance between the inner edges of the two guide rollers is equal to the outer diameter of the sliding key shaft. The two guide rollers are symmetrically arranged relative to the vertical plane where the axis of the sleeve shaft is located. The auxiliary robot arm also includes a working rod, a column is arranged on the working table, the working rod is mounted on the column, the fixed frame is arranged at one end of the working rod, the distance between one end of the working rod and the column is adjustable, the two guide rollers on the fixed frame are respectively a fixed guide roller and a movable guide roller, the rotating shaft of the fixed guide roller is fixedly arranged at one end of the fixed frame, and the distance between the movable guide roller and the fixed guide roller is adjustable; The auxiliary robot arm also includes a mobile bracket and a robot arm working hydraulic cylinder, the mobile guide roller is installed on the mobile bracket, the fixed frame is provided with a guide long hole, the mobile bracket moves horizontally along the guide long hole, the cylinder body of the robot arm working hydraulic cylinder is provided on the fixed frame, the piston rod end of the robot arm working hydraulic cylinder is connected to the mobile bracket, and the distance between the mobile guide roller and the fixed guide roller is adjusted by the extension and retraction of the robot arm working hydraulic cylinder; A vertical lifting hydraulic cylinder is arranged on the column, and the working rod is arranged at the end of the piston rod of the lifting hydraulic cylinder; The bearing portion includes a plurality of support blocks arranged at intervals, and the slots of the support blocks open upward; The inner wall of the groove of the support block is provided with a lining layer, and the surface hardness of the lining layer is lower than the surface hardness of the sliding key shaft; The bearing roller of the bearing roller is connected to a working motor, and the working motor is used to drive the bearing roller to rotate so that the keyway of the sleeve shaft carried by the bearing roller is aligned with the sliding key of the sliding key shaft; Among them, when the large-scale compensating shaft connection assembly device is working, the sliding key shaft is hung on the movable bearing platform, and the sleeve shaft is placed on the bearing roller on the lifting bearing platform. When the two shafts are connected, the sliding key shaft is positioned by the auxiliary mechanical arm so that it is coaxial with the sleeve shaft in the horizontal direction. The lifting bearing platform makes the two shafts coaxial in the vertical direction under the action of the lifting device. Finally, the bearing roller on the lifting bearing platform rotates to align the keyway in the sleeve shaft with the sliding key on the sliding key shaft. Then, the two shafts are connected by the movement of the movable bearing platform to complete the assembly of the two shafts.

2. The method for using the large-scale compensating shaft connection assembly device according to claim 1, characterized in that: The workbench is also provided with a lead screw and a drive motor, the drive motor drives the lead screw to rotate, the lead screw is arranged parallel to the linear guide rail, a lead screw nut is sleeved on the lead screw, the lead screw nut is fixed on the movable bearing platform, and the rotation of the lead screw drives the movable bearing platform to move along the linear guide rail; The movable support platform is provided with two rows of support wheels, and the two rows of support wheels are respectively provided corresponding to the two tracks of the linear guide rail.

3. The method for using the large-scale compensating shaft connection assembly device according to claim 1, characterized in that: A first positioning plate is arranged on the movable supporting platform, and the first positioning plate is arranged at one end of the supporting part. The upper surface of the first positioning plate is located above the plane where the groove bottom of the supporting part is located, and the flange end face of the sliding key connecting shaft abuts against the first positioning plate when the connecting shaft is assembled.

4. The method for using the large-scale compensating shaft connection assembly device according to claim 1, characterized in that: A guide rod and a positioning working ring are provided on the roller support, a vertical guide hole is provided on the workbench, the guide rod is installed in the guide hole and moves up and down along the guide hole, the positioning working ring is provided on the lower surface of the roller support, the inner diameter of the positioning working ring corresponds to the outer diameter of the protruding end of the lifting device, the protruding end of the lifting device extends into the positioning working ring and presses against the lower surface of the roller support, and the guide rod and the positioning working ring are spaced apart.

5. The method for using the large-scale compensating shaft connection assembly device according to claim 1, characterized in that: The lifting bearing platform further comprises a second positioning plate, which is arranged on the roller support and located at one end of the bearing roller. When the shaft is assembled, the flange end face of the sleeve shaft is against the second positioning plate. The lifting bearing platform also includes a third positioning plate, which is arranged on the roller support and located between the second positioning plate and the bearing roller. The distance between the third positioning plate and the second positioning plate is greater than or equal to the thickness of the flange of the sleeve connecting shaft, and the plane where the upper edge of the third positioning plate is located is located between the lower edge of the sleeve of the sleeve connecting shaft and the lower edge of the flange of the sleeve connecting shaft.

Images