Frame assembly overturning tool

Abstract

The utility model relates to the technical field of vehicle frame manufacturing, in particular to a frame assembly turnover tool, turnover mechanisms are symmetrically arranged on I-shaped steel, and each turnover mechanism comprises a moving trolley and a turnover assembly arranged at the bottom of the moving trolley; the overturning assembly comprises a fixing frame, an overturning chain, a flexible belt and a driving part, a rotating shaft is rotationally arranged in the fixing frame, an overturning chain wheel is fixedly arranged on the rotating shaft, the overturning chain is arranged on the overturning chain wheel in a sleeving mode, the two ends of the overturning chain are connected with the two ends of the flexible belt respectively, and the driving part is used for driving the rotating shaft to rotate; a driving mechanism is further arranged in the middle of the I-shaped steel, the driving mechanism is in transmission connection with two chains, the upper layer of one chain is connected with one turnover mechanism, and the lower layer of the other chain is connected with the other turnover mechanism. The frame overturning device is easy to operate, the frame can be overturned conveniently, overturning operation of the frame can be completed rapidly, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle frame manufacturing, in particular to a frame assembly turning tool. Background Art

[0002] The frame is a frame structure that spans the front and rear axles of the car, commonly known as the beam, and is the base of the car. It is generally composed of two longitudinal beams and several cross beams, and is supported on the wheels through the suspension device, the front axle, and the rear axle. The frame must have sufficient strength and rigidity to withstand the load of the car and the impact from the wheels. The function of the frame is to support and connect the various assemblies of the car, so that each assembly maintains a relatively correct position, and withstands various loads inside and outside the car.

[0003] During the chassis manufacturing process, in order to facilitate the assembly of accessories such as axles and suspension devices, the frame needs to be flipped 180 degrees before the front and rear axles are assembled. After the front and rear axles are assembled, the frame is flipped over. However, after the front and rear axles are assembled, the weight and space of the frame are increased, and there is a problem of difficulty in flipping the frame. The frame flipping operation is difficult, time-consuming and laborious, and the frame flipping operation cannot be completed quickly. Summary of the invention

[0004] The utility model provides a frame assembly turning tool to solve the problem of frame turning difficulty in the prior art. The turning tool is easy to operate, convenient for turning the frame, and can quickly complete the turning operation of the frame, saving time and effort, and solving the problem of frame turning difficulty.

[0005] In order to achieve the above-mentioned purpose, the technical solution of the utility model is: a frame assembly turning tool, including an I-beam, on which a turning mechanism is symmetrically arranged, and the turning mechanism includes a moving trolley and a turning assembly arranged at the bottom of the moving trolley. The frame can be turned over by two turning mechanisms, and the spacing between the two turning mechanisms can be adjusted by the moving trolley to realize the turning operation of frames of different lengths.

[0006] The flip assembly includes a fixed frame, a flip chain, a flexible belt and a driving component. A rotating shaft is rotatably arranged inside the fixed frame, a flip sprocket is fixedly arranged on the rotating shaft, the flip chain is sleeved on the flip sprocket, and both ends of the flip chain are respectively connected to both ends of the flexible belt. The driving component is used to drive the rotating shaft to rotate. The driving component drives the rotating shaft and the flip sprocket to rotate, so that the flip chain drives the frame to rotate, thereby realizing the flipping movement of the frame.

[0007] A driving mechanism is also provided in the middle of the I-beam, and the driving mechanism is connected to two chains, wherein the upper layer of one of the chains is connected to one of the flipping mechanisms, and the lower layer of the other chain is connected to the other flipping mechanism. The driving mechanism drives the two chains to move, so that the two chains respectively drive the two flipping mechanisms to move, so that the two flipping mechanisms are close to each other or away from each other, so as to achieve the purpose of adjusting the distance between the two flipping mechanisms.

[0008] Furthermore, a hanging assembly is arranged on the top of the I-beam, and the hanging assembly includes a hanging plate and a hanging ring, wherein the hanging plate is fixedly arranged on the top of the I-beam, and the hanging ring is rotatably sleeved at the upper corner of the hanging plate; an electric control cabinet is arranged in the middle of the lower surface of the I-beam. The hanging ring can be connected to the hook of the electric hoist in the workshop to adjust the position of the flip tool.

[0009] Furthermore, a plurality of sheet metal covers are arranged on the I-beam, and a connection assembly is provided at the connection of two adjacent sheet metal covers; the connection assembly includes a support pipe penetrating the I-beam, and both ends of the support pipe are connected with a connection plate, and the connection plate is connected to the two adjacent sheet metal covers. The sheet metal cover plays a protective role for the driving mechanism, the chain and the mobile trolley of the flip mechanism.

[0010] Furthermore, the mobile trolley includes two trolley side plates and a connecting shaft, the two ends of the connecting shaft are respectively connected to the two trolley side plates, the inner sides of the two trolley side plates are provided with translation wheels located on the I-beam, and the outer sides of the two trolley side plates are connected to the fixing frame. The translation wheels enable the mobile trolley to perform left and right lateral movement on the I-beam.

[0011] Furthermore, a chain connection assembly is arranged on the outer side of one of the trolley side plates, and the chain connection assembly includes a clamping upper plate and a clamping lower plate, and a plurality of chain bolts are arranged at intervals on the clamping upper plate, and the lower ends of the chain bolts pass through the chain link holes of the chain and are connected to the clamping lower plate. Through the cooperation between the chain bolts and the chain, when the driving mechanism drives the chain transmission, the chain drives the mobile trolley to move on the I-beam, so as to achieve the effect of adjusting the position of the flip assembly of the flip mechanism.

[0012] Furthermore, the driving component is arranged on one side of the fixed frame, and the driving component is a second reduction motor, and the output shaft of the second reduction motor is connected to the rotating shaft; a counterweight plate is arranged on the other side of the fixed frame, and the counterweight plate plays a role in balancing the weight on both sides of the fixed frame.

[0013] Furthermore, the driving mechanism comprises a reduction motor 1, a driving sprocket 1 and a driving sprocket 2, wherein the driving sprocket 1 and the driving sprocket 2 are arranged at intervals on the output shaft of the reduction motor 1; the two chains are respectively sleeved on the driving sprocket 1 and the driving sprocket 2. The output shaft of the reduction motor 1 drives the driving sprocket 1 and the driving sprocket 2 to rotate, so as to achieve the effect that the driving chain 1 and the driving sprocket 2 respectively drive the two chains to transmit.

[0014] Furthermore, both ends of the I-beam are provided with tensioning assemblies, which include a tensioning plate, a sprocket shaft and a driven sprocket, wherein the sprocket shaft is fixedly arranged on the tensioning plate, the driven sprocket is rotatably arranged at the end of the sprocket shaft, and the two chains are respectively sleeved on the driven sprockets of the two tensioning assemblies. The tensioning assembly can adjust the tension of the chain, and the driven sprockets of the two tensioning assemblies cooperate with the two chains, so that the chain can be transmitted and the flip mechanism can be driven to move.

[0015] Furthermore, the tensioning plate is in a "U"-shaped structure, and a strip hole is provided on the tensioning plate, in which a locking bolt is arranged, one end of which passes through the I-beam and is threadedly connected with a locking nut; a fastening bolt is also arranged at the end of the tensioning plate. The position of the tensioning plate can be adjusted by the locking bolt and the fastening bolt, so as to achieve the effect of changing the position of the driven sprocket to adjust the tension of the chain.

[0016] Furthermore, two limiting mechanisms are symmetrically arranged on one side of the I-beam, and the limiting mechanism includes two limiting components. The mobile trolley of the flip mechanism is located between the two limiting components; the limiting component includes a fixed block, a limiting wheel frame and a limiting wheel. The fixed block is connected to the I-beam, and a mounting block is fixedly arranged at the bottom of the fixed block. The limiting wheel frame is arranged on the outside of the mounting block, and the limiting wheel is rotatably arranged at the bottom of the limiting wheel frame. The limiting component plays a role of limiting the mobile trolley, and the distance between the two limiting components is the range of movement of the mobile trolley.

[0017] Through the above technical solution, the beneficial effects of the utility model are:

[0018] 1. The utility model has a reasonable structure and simple operation, which solves the problem of difficulty in flipping the existing frame, facilitates flipping the frame, and can quickly complete the flipping operation of the frame, saving time and effort. At the same time, it has the advantages of being light and flexible, occupying little space, and being applicable to different environments, and can be applied to flipping operations of frames of different lengths and types, with a wide range of applications.

[0019] 2. The lifting ring on the top hanging plate of the I-beam of the utility model can be hung on the hook of the electric hoist in the workshop. The electric hoist can drive the I-beam and the two turning mechanisms to perform synchronous lifting and lowering movements. When turning the frame, the turning mechanism can drive the frame to rise or fall, thereby facilitating the turning of the frame.

[0020] 3. The driving mechanism of the utility model drives two chains for transmission, and under the cooperation of the chain connecting assembly and the chain, the two chains respectively drive the moving trolleys of the two flipping mechanisms to move left and right on the I-beam during transmission, so that the two flipping mechanisms are close to or away from each other, so as to achieve the purpose of adjusting the distance between the two flipping mechanisms, thereby achieving the effect of being suitable for flipping operations of frames of different lengths.

[0021] 4. The driving component of the utility model drives the rotating shaft to rotate, and the flip sprocket drives the flip chain and the flexible belt to drive the frame to rotate, thereby realizing the flipping movement of the frame, achieving the effect of quickly completing the flipping operation of the frame and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the structure of a frame assembly turning tool of the utility model. Figure 1 ;

[0023] Figure 2 This is a schematic diagram of the structure of a frame assembly turning tool of the utility model. Figure 2 (excluding sheet metal cover);

[0024] Figure 3 This is a schematic diagram of the structure of a frame assembly turning tool of the utility model. Figure 3 (excluding sheet metal cover);

[0025] Figure 4 This is a schematic diagram of the structure of a frame assembly turning tool of the utility model. Figure 4 (excluding sheet metal cover);

[0026] Figure 5 It is a structural schematic diagram of the turning mechanism of the utility model;

[0027] Figure 6 It is a structural schematic diagram of the tensioning assembly of the utility model;

[0028] Figure 7 It is a structural schematic diagram of the limit assembly of the utility model;

[0029] Figure 8 yes Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0030] Fig. 9 yes Figure 5 Schematic diagram of the enlarged structure at point B in the middle.

[0031] The numbers in the accompanying drawings are: 1 is an I-beam, 2 is a hanging plate, 3 is a lifting ring, 4 is a sheet metal cover, 5 is a supporting tube, 6 is a connecting plate, 7 is a reduction motor 1, 8 is a driving sprocket 1, 9 is a driving sprocket 2, 10 is a tensioning plate, 11 is a sprocket shaft, 12 is a driven sprocket, 13 is a strip hole, 14 is a locking bolt, 15 is a locking nut, 16 is a fastening bolt, 17 is a trolley side plate, 18 is a connecting shaft, 19 is a translation wheel, 20 is a clamping upper plate, 21 is a clamping lower plate, 22 is a chain bolt, 23 is a fixing frame, 24 is a reduction motor 2, 25 is a counterweight plate, 26 is a flip chain, 27 is a flexible belt, 28 is a limiting assembly, 29 is a fixing block, 30 is a mounting block, 31 is a limiting wheel frame, 32 is a limiting wheel, and 33 is an electric control cabinet. DETAILED DESCRIPTION

[0032] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments:

[0033] like Figures 1 to 9 As shown, a frame assembly turning tool comprises an I-beam 1, on which a turning mechanism is symmetrically arranged, and the turning mechanism comprises a moving trolley and a turning assembly arranged at the bottom of the moving trolley. In this embodiment, the turning operation of the frame is realized by the turning mechanism, and the spacing between the two turning mechanisms on the I-beam 1 is conveniently adjusted by the moving trolley. The spacing between the two turning mechanisms can be adjusted according to the length of the frame to be turned, and the turning assembly is synchronously driven to move during the movement of the moving trolley on the I-beam 1.

[0034] The flip assembly includes a fixed frame 23, a flip chain 26, a flexible belt 27 and a driving component. The fixed frame 23 is internally provided with a rotating shaft, a flip sprocket is fixedly provided on the rotating shaft, the flip chain 26 is sleeved on the flip sprocket, and the two ends of the flip chain 26 are respectively connected to the two ends of the flexible belt 27, and the driving component is used to drive the rotating shaft to rotate. In this embodiment, both ends of the rotating shaft are rotatably connected to the fixed frame through bearings, the number of flip sprockets on the rotating shaft is two, and the number of flip chains 26 is also two, the flexible belt 27 is a nylon belt, and the output shaft of the driving component is connected to the rotating shaft. Before flipping the frame, the flexible belts 27 of the flip assembly of the two flipping mechanisms need to be respectively sleeved on the two ends of the frame, the driving component drives the rotating shaft to rotate, the rotating shaft drives the flip sprocket to rotate synchronously, the flip sprocket drives the flip chain 26 to move, one end of the flip chain 26 rises and the other end falls, the frame flips slowly during the movement of the flip chain 26, the two ends of the frame are evenly stressed, and the frame flips stably.

[0035] A driving mechanism is also provided in the middle of the I-beam 1, and the driving mechanism is connected to two chains in a transmission manner, wherein the upper layer of one of the chains is connected to one of the flipping mechanisms, and the lower layer of the other chain is connected to the other flipping mechanism. In this embodiment, the driving mechanism drives the two chains to transmit synchronously, and the two chains drive the two flipping mechanisms to move closer to or away from each other, so as to adjust the distance between the two flipping mechanisms to adapt to the flipping operation of frames of different lengths.

[0036] The top of the I-beam 1 is provided with a hanging assembly, which includes a hanging plate 2 and a hanging ring 3. The hanging plate 2 is fixedly arranged on the top of the I-beam 1, and the hanging ring 3 is rotatably sleeved at the upper corner of the hanging plate 2; an electric control cabinet 33 is arranged in the middle of the lower surface of the I-beam 1. In this embodiment, there are two hanging assemblies, the hanging plate 2 is welded and fixed on the top of the I-beam 1, the hanging plate 2 is a triangular structure, and a through hole is opened at the upper corner of the hanging plate 2, and the hanging ring 3 is sleeved at the through hole. There are two hanging rings 3 on each hanging plate 2, and the hanging ring 3 is hung on the hook of the electric hoist in the workshop, so that the I-beam 1 and the two flipping mechanisms are suspended in the air. When flipping the frame at the same time, the height of the I-beam 1 and the two flipping mechanisms can be adjusted by the electric hoist, which can drive the frame to rise or fall, so as to flip the frame. The electric control cabinet 33 is equipped with a PLC controller, a frequency converter, an air switch, circuits and terminals. The PLC controller can control the reduction motor 1 7 and the reduction motor 2 24 to adjust the distance between the two flipping mechanisms and perform the flipping operation on the frame.

[0037] A plurality of sheet metal covers 4 are arranged on the I-beam 1, and a connection assembly is provided at the connection point of two adjacent sheet metal covers 4; the connection assembly includes a support pipe 5 penetrating the I-beam 1, and both ends of the support pipe 5 are connected to a connection plate 6, and the connection plate 6 is connected to two adjacent sheet metal covers 4. In this embodiment, the number of sheet metal covers 4 on the I-beam 2 is three, and the sheet metal covers 4 play a protective role for the driving mechanism, the chain and the moving trolley of the flip mechanism, and the connection plate 6 is bolted to the two adjacent sheet metal covers 4.

[0038] The mobile trolley includes two trolley side plates 17 and a connecting shaft 18, the two ends of the connecting shaft 18 are respectively connected to the two trolley side plates 17, the inner sides of the two trolley side plates 17 are provided with translation wheels 19 located on the I-beam 1, and the outer sides of the two trolley side plates 17 are connected to the fixing frame 23. In this embodiment, the two trolley side plates 17 are respectively located on both sides of the I-beam 1, the connecting shaft 18 is located between the two trolley side plates 17 and below the I-beam 1, the two ends of the connecting shaft 18 are respectively connected to the two trolley side plates 17, and the number of translation wheels 19 on each trolley side plate 17 is two; the fixing frame 23 includes two fixed plates and two sub-plates, the two fixed plates are respectively on the outer sides of the two trolley side plates 17, and the two are connected by the connecting shaft 18.

[0039] A chain connection assembly is disposed on the outer side of one of the trolley side plates 17, and the chain connection assembly includes a clamping upper plate 20 and a clamping lower plate 21. A plurality of chain bolts 22 are arranged at intervals on the clamping upper plate 20, and the lower ends of the chain bolts 22 pass through the chain link holes of the chain and are connected to the clamping lower plate 21. In this embodiment, the chain connection assemblies of the two flip mechanism moving trolleys have different heights, and the height of one chain connection assembly is higher than the height of the other chain connection assembly, the purpose of which is to facilitate one of the chain connection assemblies to connect the upper layer of one of the chains, and the other sprocket connection assembly to connect the lower layer of the other chain; the cross-sections of the clamping upper plate 20 and the clamping lower plate 21 are both "L"-shaped structures, and the clamping upper plate 20 and the clamping lower plate 21 are both bolted to the trolley side plate 17, and the number of chain bolts 22 on the clamping upper plate 20 is five.

[0040] The driving component is arranged on one side of the fixed frame 23, and the driving component is a second reduction motor 24, and the output shaft of the second reduction motor 24 is connected to the rotating shaft; a counterweight plate 25 is arranged on the other side of the fixed frame 23. In this embodiment, the second reduction motor 24 is installed on the outside of one of the sub-plates of the fixed frame 23, and the counterweight plate 25 is installed on the outside of the sub-plate of the other fixed frame 23. There are three counterweight plates 25, and the counterweight plates 25 are installed on the outside of the sub-plates of the fixed frame 23 by bolts.

[0041] The driving mechanism includes a reduction motor 1 7, a driving sprocket 1 8 and a driving sprocket 2 9, wherein the driving sprocket 1 8 and the driving sprocket 2 9 are arranged at intervals on the output shaft of the reduction motor 1 7; the two chains are respectively sleeved on the driving sprocket 1 8 and the driving sprocket 2 9. In this embodiment, the output shaft of the reduction motor 1 7 drives the driving sprocket 1 8 and the driving sprocket 2 9 to rotate synchronously, the driving sprocket 1 8 and the driving sprocket 2 9 respectively drive the two chains for transmission, and the two chains respectively drive the two flipping mechanisms to move.

[0042] Both ends of the I-beam 1 are provided with tensioning assemblies, which include a tensioning plate 10, a sprocket shaft 11 and a driven sprocket 12. The sprocket shaft 11 is fixedly arranged on the tensioning plate 10, and the driven sprocket 12 is rotatably arranged at the end of the sprocket shaft 11. The two chains are respectively sleeved on the driven sprockets 12 of the two tensioning assemblies. In this embodiment, the tensioning plate 10 is provided with an axial hole for installing the sprocket shaft 11, and the I-beam 1 is provided with a strip axial hole for moving the sprocket shaft 11. The driven sprocket 12 is rotatably connected to the sprocket shaft 11 through a bearing.

[0043] The tensioning plate 10 is in a "U"-shaped structure. A strip hole 13 is provided on the tensioning plate 10. A locking bolt 14 is arranged in the strip hole 13. One end of the locking bolt 14 passes through the I-beam 1 and is threadedly connected with a locking nut 15. A fastening bolt 16 is also arranged at the end of the tensioning plate 10. In this embodiment, two strip holes are provided on both side plates of the tensioning plate 10. When adjusting the tension of the chain, the locking nut 15 is rotated and loosened so that the tensioning plate 10 can move on the I-beam 1. The tensioning plate 10 slides on the locking bolt 14, and the sprocket shaft 11 slides in the strip shaft hole. The tensioning plate 10 drives the driven sprocket 12 to move, and the purpose of adjusting the tension of the chain can be achieved. After adjusting the tension of the chain, the locking nut 16 is rotated and tightened to fix the tensioning plate 10, and then the tensioning plate 10 is fixed by the fastening bolt 16.

[0044] Two limiting mechanisms are symmetrically arranged on one side of the I-beam 1. The limiting mechanisms include two limiting assemblies 28. The moving trolley of the flipping mechanism is located between the two limiting assemblies 28. The limiting assembly 28 includes a fixed block 29, a limiting wheel frame 31 and a limiting wheel 32. The fixed block 29 is connected to the I-beam 1. A mounting block 30 is fixedly arranged at the bottom of the fixed block 29. The limiting wheel frame 31 is arranged on the outside of the mounting block 30. The limiting wheel 32 is rotatably arranged at the lower part of the limiting wheel frame 31. In this embodiment, when the translation wheels 19 of the two flipping mechanism moving trolleys are in contact with the limiting wheels 32 of the distal limiting assembly 28 respectively, the distance between the two flipping mechanisms is the largest at this time, and the frame length for flipping operation is the longest; when the translation wheels 19 of the two flipping mechanism moving trolleys are in contact with the limiting wheels 32 of the proximal limiting assembly 28 respectively, the distance between the two flipping mechanisms is the smallest at this time, and the frame length for flipping operation is the shortest.

[0045] The working principle of the utility model is as follows: first, the spacing between the two flipping mechanisms is adjusted according to the length of the frame to be flipped, the reduction motor 7 is started, and the output shaft of the reduction motor 7 drives the driving sprocket 1 8 and the driving sprocket 2 9 to rotate synchronously. Under the action of the driven sprockets on the tensioning plates 10 of the two tensioning components, the driving sprocket 1 8 and the driving sprocket 2 9 are respectively driven by two chains, and the two chains respectively drive the moving carts of the two flipping mechanisms to move, and the translation wheel 19 of the moving cart moves on the I-beam 1, and the two flipping mechanisms approach or move away from each other. When the flexible belts of the flipping components of the two flipping mechanisms can be respectively covered on the two ends of the frame, the reduction motor 7 is turned off.

[0046] The I-beam 1 and the two turning mechanisms are lowered by an electric hoist so that the flexible belt 27 can be mounted on the frame, and then the flexible belts 27 of the turning assemblies of the two turning mechanisms are respectively mounted on the frame, and then the I-beam 1 and the two turning mechanisms are driven to rise by the electric hoist, and the flexible belts 27 of the two turning mechanisms drive the frame to rise. When the frame rises to a certain height, the reduction motor 24 is started, and the output shaft of the reduction motor 24 drives the rotating shaft to rotate, and the rotating shaft drives the turning sprocket to rotate synchronously, and the turning sprocket drives the turning chain 26 to move, and one end of the turning chain 26 rises and the other end falls. At this time, one side of the frame is raised and the other side falls. During the movement of the turning chain 26, the frame slowly turns over. After the frame turns over 180°, the reduction motor 24 is turned off, and then the I-beam 1 and the two turning mechanisms are lowered by the electric hoist, so that the frame drops and falls on the process table for assembling and supporting the frame. After the two flexible belts 27 are removed from the frame, the frame turning operation is completed.

[0047] The embodiments described above are only preferred embodiments of the utility model and do not limit the scope of implementation of the utility model. Therefore, all equivalent changes or modifications made according to the technical solutions described in the patent scope of the utility model should be included in the scope of the patent application of the utility model.

Claims

1. A frame assembly turning tool, comprising an I-beam (1), characterized in that: The I-beam (1) is symmetrically provided with a turning mechanism, which comprises a moving trolley and a turning assembly arranged at the bottom of the moving trolley; The flip assembly comprises a fixed frame (23), a flip chain (26), a flexible belt (27) and a driving component; a rotating shaft is rotatably arranged inside the fixed frame (23); a flip sprocket is fixedly arranged on the rotating shaft; the flip chain (26) is sleeved on the flip sprocket; two ends of the flip chain (26) are respectively connected to two ends of the flexible belt (27); and the driving component is used to drive the rotating shaft to rotate; A driving mechanism is also provided in the middle of the I-beam (1), wherein the driving mechanism is transmission-connected to two chains, wherein the upper layer of one of the chains is connected to one of the turning mechanisms, and the lower layer of the other chain is connected to the other turning mechanism.

2. A frame assembly turning tool according to claim 1, characterized in that: A hanging assembly is arranged on the top of the I-beam (1), the hanging assembly comprising a hanging plate (2) and a hanging ring (3), the hanging plate (2) being fixedly arranged on the top of the I-beam (1), and the hanging ring (3) being rotatably sleeved on the upper corner of the hanging plate (2); an electric control cabinet (33) is arranged in the middle of the lower surface of the I-beam (1).

3. The frame assembly turning tool according to claim 1, characterized in that: A plurality of sheet metal covers (4) are arranged on the I-beam (1), and a connection assembly is provided at the connection point between two adjacent sheet metal covers (4); the connection assembly comprises a support tube (5) penetrating the I-beam (1), and both ends of the support tube (5) are connected to a connection plate (6), and the connection plate (6) is connected to the two adjacent sheet metal covers (4).

4. The frame assembly turning tool according to claim 1, characterized in that: The movable trolley comprises two trolley side plates (17) and a connecting shaft (18), the two ends of the connecting shaft (18) are respectively connected to the two trolley side plates (17), the inner sides of the two trolley side plates (17) are provided with translation wheels (19) located on the I-beam (1), and the outer sides of the two trolley side plates (17) are connected to the fixing frame (23).

5. The frame assembly turning tool according to claim 4, characterized in that: A chain connection assembly is arranged on the outer side of one of the trolley side plates (17), the chain connection assembly comprising a clamping upper plate (20) and a clamping lower plate (21), a plurality of chain bolts (22) are arranged at intervals on the clamping upper plate (20), the lower ends of the chain bolts (22) pass through the chain link holes of the chain and are connected to the clamping lower plate (21).

6. The frame assembly turning tool according to claim 1, characterized in that: The driving component is arranged on one side of the fixed frame (23), and the driving component is a second reduction motor (24), and the output shaft of the second reduction motor (24) is connected to the rotating shaft; a counterweight plate (25) is arranged on the other side of the fixed frame (23).

7. The frame assembly turning tool according to claim 1, characterized in that: The driving mechanism comprises a reduction motor 1 (7), a driving sprocket 1 (8) and a driving sprocket 2 (9), wherein the driving sprocket 1 (8) and the driving sprocket 2 (9) are arranged at intervals on the output shaft of the reduction motor 1 (7); and the two chains are respectively sleeved on the driving sprocket 1 (8) and the driving sprocket 2 (9).

8. The frame assembly turning tool according to claim 7, characterized in that: Both ends of the I-beam (1) are provided with tensioning assemblies, the tensioning assemblies comprising a tensioning plate (10), a sprocket shaft (11) and a driven sprocket (12), the sprocket shaft (11) being fixedly arranged on the tensioning plate (10), the driven sprocket (12) being rotatably arranged on the end of the sprocket shaft (11), and the two chains being respectively sleeved on the two driven sprockets (12) of the tensioning assemblies.

9. The frame assembly turning tool according to claim 8, characterized in that: The tensioning plate (10) is in a U-shaped structure. A strip hole (13) is provided on the tensioning plate (10). A locking bolt (14) is arranged in the strip hole (13). One end of the locking bolt (14) passes through the I-beam (1) and is threadedly connected to a locking nut (15). A fastening bolt (16) is also arranged at the end of the tensioning plate (10).

10. The frame assembly turning tool according to claim 1, characterized in that: Two limiting mechanisms are symmetrically arranged on one side of the I-beam (1), the limiting mechanisms comprising two limiting assemblies (28), the moving trolley of the flipping mechanism being located between the two limiting assemblies (28); the limiting assembly (28) comprising a fixing block (29), a limiting wheel frame (31) and a limiting wheel (32), the fixing block (29) being connected to the I-beam (1), a mounting block (30) being fixedly arranged at the bottom of the fixing block (29), the limiting wheel frame (31) being arranged on the outside of the mounting block (30), and the limiting wheel (32) being rotatably arranged at the bottom of the limiting wheel frame (31).

Images