Synchronous tightening tool compatible with front wheel steering system and rear wheel steering system

Abstract

The utility model discloses a synchronous tightening tool compatible with a front wheel steering system and a rear wheel steering system, and relates to the technical field of automobile part assembly. The clamping driving mechanism comprises a base and a downward pressing driving assembly; one of the first clamp and the second clamp is detachably connected between the downward pressing driving assembly and the base; the two tightening mechanisms comprise tightening guns; the first sleeve is detachably connected with the output end of the tightening gun and used for tightening a nut on an inner pull rod of the front wheel steering system; the second sleeve is detachably connected with the output end of the tightening gun and used for tightening a nut on a joint fork of the rear wheel steering system; and one of the first sleeve and the second sleeve is connected with the tightening gun. Compatible assembly of the front wheel steering system and the rear wheel steering system is achieved, cost is reduced, and flexibility and universality of the tool are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts assembly, more specifically, it relates to a synchronous tightening tool compatible with front wheel steering system and rear wheel steering system. BACKGROUND

[0002] In modern automobile manufacturing industry, with the continuous improvement of vehicle performance requirements, as the key components of the automobile, the assembly precision and efficiency of the front wheel steering system and the rear wheel steering system are crucial to the controllability, stability and safety of the whole vehicle. The traditional assembly process often designs tool clamps and tightening equipment separately for specific steering systems, which not only increases the production cost, but also limits the flexibility and versatility of the production line.

[0003] In particular, in the synchronous tightening process, due to the differences in structure, size and assembly requirements between the front wheel steering system and the rear wheel steering system, the traditional synchronous tightening tool is difficult to meet the assembly requirements of both, so two different synchronous tightening tools are needed to tighten the front wheel steering system and the rear wheel steering system respectively, which not only increases the production cost, but also limits the flexibility and versatility of the production line.

[0004] Therefore, a new scheme is needed to solve this problem. SUMMARY

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a synchronous tightening tool compatible with front wheel steering system and rear wheel steering system, which realizes the compatible assembly of front wheel steering system and rear wheel steering system, not only reduces the cost, but also improves the flexibility and versatility of the tool.

[0006] The above technical purpose of the utility model is realized by the following technical scheme: a synchronous tightening tool compatible with front wheel steering system and rear wheel steering system, comprising a rack, further comprising:

[0007] A clamping driving mechanism is arranged in the middle of the rack, and the clamping driving mechanism comprises a base and a downward driving assembly located directly above the base;

[0008] A first clamp is detachably connected between the downward driving assembly and the base, used for clamping and fixing the front wheel steering system;

[0009] A second clamp is detachably connected between the downward driving assembly and the base, used for clamping and fixing the rear wheel steering system;

[0010] The first clamp and the second clamp are alternatively connected between the downward driving assembly and the base;

[0011] Two tightening mechanisms are symmetrically arranged on both sides of the frame, and each of the tightening mechanisms comprises a tightening gun;

[0012] A first sleeve is detachably connected to the output end of the tightening gun, and is used for tightening a nut on an inner pull rod of the front wheel steering system;

[0013] A second sleeve is detachably connected to the output end of the tightening gun, and is used for tightening a nut on a knuckle of the rear wheel steering system;

[0014] The first sleeve and the second sleeve are selectively connected to the tightening gun.

[0015] In one of the embodiments, the downward driving assembly comprises a first Z-axis linear module fixed on the frame, a first Y-axis linear module fixed on the output end of the first Z-axis linear module, and a connecting plate fixed on the output end of the first Y-axis linear module, wherein the connecting plate is provided with connecting heads, the connecting heads are arranged in multiple along the Y-axis direction, the base is provided with mounting stations, and the first clamp and the second clamp are selectively connected between the connecting heads and the mounting stations.

[0016] In one of the embodiments, the first clamp comprises:

[0017] A first lower profiled supporting clamp is detachably connected to the mounting station, and is used for supporting the bottom of the shell of the front wheel steering system.

[0018] A first upper profiled pressing head clamp is detachably connected to the connecting head, and is used for pressing the shell of the front wheel steering system on the first lower profiled supporting clamp.

[0019] The output end of the first Y-axis linear module is further fixed with a second Z-axis linear module, the output end of the second Z-axis linear module is fixed with a clamping jaw cylinder, and the clamping jaw cylinder is suitable for anti-rotation clamping of the input shaft of the front wheel steering system.

[0020] In one of the embodiments, the second clamp comprises:

[0021] A second lower profiled supporting clamp is detachably connected to the mounting station, and is used for supporting the bottom of the shell of the rear wheel steering system.

[0022] A plurality of second upper profiled pressing head clamps are detachably connected to each of the connecting heads, one of the second upper profiled pressing head clamps is used for anti-rotation pressing of the knuckle of the rear wheel steering system, and the remaining second upper profiled pressing head clamps are used for pressing the shell of the rear wheel steering system on the second lower profiled supporting clamp.

[0023] In one of the embodiments, a T-shaped slot is arranged on the connecting head, a T-shaped clamp that is adapted to the T-shaped slot is arranged on the first upper profiling pressure head clamp and the second upper profiling pressure head clamp, the T-shaped clamp is detachably clamped in the T-shaped slot, and the T-shaped clamp and the connecting head are connected and fixed by the first bolt, the second bolt is threadedly connected to the periphery of the base at the installation station, the pressure block is fixed on the second bolt, and the handle is fixed on the pressure block, when the handle is rotated, the pressure block presses the first lower profiling support clamp or the second lower profiling support clamp tightly on the installation station.

[0024] In one of the embodiments, a connecting sleeve is fixed on the connecting plate, a guide shaft is slidably connected to the connecting sleeve, the connecting head is fixedly connected to the guide shaft, a limiting block is fixed to the end of the guide shaft away from the connecting head, a spring is sleeved on the guide shaft between the connecting sleeve and the connecting head, a connecting block is further fixed on the connecting sleeve between the limiting block and the connecting head, a limiting rod is fixed on the connecting block, the end of the limiting rod away from the connecting block is slidably connected to the limiting block, and a height adjusting nut is threadedly connected to the limiting rod between the connecting block and the limiting block.

[0025] In one of the embodiments, the tightening mechanism further comprises an X-axis linear module fixed on the rack, a third Z-axis linear module fixed on the output end of the X-axis linear module, and a second Y-axis linear module fixed on the output end of the third Z-axis linear module, and the tightening gun is fixed on the output end of the second Y-axis linear module.

[0026] In one of the embodiments, the output end of the second Y-axis linear module is rotatably connected to an adapter shaft through an adapter seat, one end of the adapter shaft is fixedly connected to the output end of the tightening gun, the first sleeve and the second sleeve are both provided with a plug-in seat with a plug-in slot, the plug-in slot is adapted to the adapter shaft, the adapter shaft is plugged into the plug-in slot, a pin slot is radially arranged on the plug-in seat and the adapter shaft, and a limiting pin is plugged into the pin slot.

[0027] In one of the embodiments, the synchronous tightening tool further comprises a model changing error prevention assembly, the model changing error prevention assembly comprises a first sensor and a second sensor that are fixed on the adapter seat from top to bottom, the plug-in seat of the first sleeve is fixed with a first trigger piece, the plug-in seat of the second sleeve is fixed with a second trigger piece, the first trigger piece triggers the first sensor and the second sensor to act, and the second trigger piece triggers the second sensor to act.

[0028] In summary, the utility model has the following beneficial effects: the utility model discloses through detachable first clamp and second clamp and interchangeable first sleeve and second sleeve, can easily adapt to the different assembly needs of front wheel steering system and rear wheel steering system, need not replace whole tooling system, has saved the input cost of production line, and improved the flexibility and versatility of tooling, makes the tooling can be adjusted to adapt to different steering system assembly task fast, simultaneously through setting up two tightening mechanisms, can carry out synchronous tightening to the both ends of front wheel steering system or rear wheel steering system, has reduced assembly time, has promoted production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is the structural schematic drawing of the synchronous tightening tooling of compatible front wheel steering system and rear wheel steering system of the embodiment of the application;

[0030] Figure 2 It is the structural schematic drawing of the synchronous tightening tooling of compatible front wheel steering system and rear wheel steering system of the embodiment of the application;

[0031] Figure 3 It is the structural schematic drawing of the synchronous tightening tooling of compatible front wheel steering system and rear wheel steering system of the embodiment of the application;

[0032] Figure 4 It is the structural schematic drawing of the synchronous tightening tooling of compatible front wheel steering system and rear wheel steering system of the embodiment of the application; Figure 2

[0033] Figure 5 It is the structural schematic drawing of the synchronous tightening tooling of compatible front wheel steering system and rear wheel steering system of the embodiment of the application;

[0034] Figure 6 It is the structural schematic drawing of the synchronous tightening tooling of compatible front wheel steering system and rear wheel steering system of the embodiment of the application; Figure 5

[0035] Figure 7 It is the structural schematic drawing of the synchronous tightening tooling of compatible front wheel steering system and rear wheel steering system of the embodiment of the application;

[0036] Figure 8 It is the structural schematic drawing of the synchronous tightening tooling of compatible front wheel steering system and rear wheel steering system of the embodiment of the application;

[0037] ​​In the figure: 1, rack; 2, clamping driving mechanism; 21, pressing driving assembly; 211, first Z-axis linear module; 212, first Y-axis linear module; 213, connecting plate; 214, connecting head; 215, connecting sleeve; 216, guide shaft; 217, limiting block; 218, spring; 219, limiting rod; 2191, height adjusting nut; 22, base; 3, tightening mechanism; 31, X-axis linear module; 32, third Z-axis linear module; 33, second Y-axis linear module; 34, tightening gun; 35, adapter seat; 36, adapter shaft; 37, plug-in seat; 371, pin groove; 4, first clamp; 41, first lower profiling support clamp; 42, first upper profiling press head clamp; 421, T-shaped chuck; 5, second Z-axis linear module; 6, clamping jaw cylinder; 7, second clamp; 71, second lower profiling support clamp; 72, second upper profiling press head clamp; 8, first sleeve; 9, second sleeve; 10, second trigger piece; 11, first sensor; 12, second sensor; 13, front wheel steering system; 131, inner pull rod; 132, input shaft; 14, rear wheel steering system; 141, knuckle; 15, second bolt; 16, pressing block; 17, handle. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0039] As shown in Figure 1 , Figure 2 , Figure 7 and Figure 8 , the embodiments of the application provide a synchronous tightening tool compatible with the front wheel steering system 13 and the rear wheel steering system 14, comprising a rack 1, further comprising:

[0040] A clamping driving mechanism 2 is arranged at the middle part of the rack 1, and the clamping driving mechanism 2 comprises a base 22 and a pressing driving assembly 21 located directly above the base 22;

[0041] A first clamp 4 is detachably connected between the pressing driving assembly 21 and the base 22, and is used for clamping and fixing the front wheel steering system 13;

[0042] A second clamp 7 is detachably connected between the pressing driving assembly 21 and the base 22, and is used for clamping and fixing the rear wheel steering system 14;

[0043] The first clamp 4 and the second clamp 7 are alternatively connected between the pressing driving assembly 21 and the base 22.

[0044] Two tightening mechanisms 3 are arranged on both sides of the frame 1 with the positioning mechanism as the center of symmetry. The tightening mechanism 3 includes a tightening gun, which is a bent torque gun.

[0045] The first sleeve 8 is detachably connected to the output end of the tightening gun and is used to tighten the nut on the inner tie rod 131 of the front wheel steering system 13.

[0046] The second sleeve 9 is detachably connected to the output end of the tightening gun and is used to tighten the nuts on the fork 141 of the rear wheel steering system 14.

[0047] The first sleeve 8 and the second sleeve 9 are either connected to the tightening gun.

[0048] In the above method, the first clamp 4 and the second clamp 7 are detachably connected, and the first sleeve 8 and the second sleeve 9 are interchangeable, which can easily adapt to the different assembly requirements of the front wheel steering system 13 and the rear wheel steering system 14 without replacing the entire tooling system, saving production line investment costs and improving the flexibility and versatility of the tooling. This allows the tooling to be quickly adjusted to adapt to different steering system assembly tasks. At the same time, by setting two tightening mechanisms 3, the two ends of the front wheel steering system 13 or the rear wheel steering system 14 can be tightened simultaneously, reducing assembly time and improving production efficiency.

[0049] In this embodiment, as Figure 2 As shown, the downward drive assembly 21 includes a first Z-axis linear module 211 fixed on the frame 1, a first Y-axis linear module 212 fixed on the output end of the first Z-axis linear module 211, and a connecting plate 213 fixed on the output end of the first Y-axis linear module 212. The connecting plate 213 is provided with connectors 214, and multiple connectors 214 are provided along the Y-axis direction. The base 22 is provided with installation stations, and the first clamp 4 and the second clamp 7 are selectively connected between the installation stations of the connectors 214.

[0050] In the above method, the connector 214 can move along the Z and Y axes to drive the first clamp 4 and the second clamp 7 to clamp the housings of the front wheel steering system 13 and the rear wheel steering system 14 at corresponding positions. It should be noted that since the tightening mechanism 3 can move along three axes (X, Y, Z), the tightening mechanism can be adaptively aligned with the front wheel steering system 13 on the first clamp 4 or the rear wheel steering system 14 on the second clamp 7.

[0051] In this embodiment, as Figure 2 and Figure 7 As shown, the first clamp 4 includes:

[0052] The first lower profiling support clamp 41 is detachably connected to the installation station and used for supporting the bottom of the housing of the front wheel steering system 13.

[0053] The first upper profiling pressure head clamp 42 is detachably connected to the connecting head 214 and used for pressing the housing of the front wheel steering system 13 against the first lower profiling support clamp 41.

[0054] The output end of the first Y-axis linear module 212 is further fixed with a second Z-axis linear module 5, and the output end of the second Z-axis linear module 5 is fixed with a clamping jaw air cylinder 6, which is suitable for anti-rotation clamping of the input shaft 132 of the front wheel steering system 13.

[0055] When the first clamp 4 works, the first lower profiling support clamp 41 is installed to the installation station, which accurately supports the bottom of the housing of the front wheel steering system 13 and ensures that the housing can be stably placed during installation or testing. Meanwhile, the first upper profiling pressure head clamp 42 is connected to the connecting head 214, which is matched with the top of the housing and used for firmly pressing the housing against the first lower profiling support clamp 41 during assembly or testing, so as to form a stable working environment. During the tightening process, the input shaft 132 needs to be kept stable and is not allowed to rotate, so the clamping jaw air cylinder 6 is used to clamp the input shaft 132.

[0056] In the embodiment, as shown in Figure 3 and Figure 8 The second clamp 7 comprises:

[0057] The second lower profiling support clamp 71 is detachably connected to the installation station and used for supporting the bottom of the housing of the rear wheel steering system 14.

[0058] A plurality of second upper profiling pressure head clamps 72 are detachably connected to the connecting head 214, one of which is used for anti-rotation pressing of the yoke 141 of the rear wheel steering system 14, and the remaining second upper profiling pressure head clamps 72 are used for pressing the housing of the rear wheel steering system 14 against the second lower profiling support clamp 71. The working mode of the second clamp 7 is similar to that of the first clamp 4, which will not be described herein.

[0059] In the embodiment, as shown in Figure 3 and Figure 4As shown, the connecting head 214 is provided with a T-shaped slot, the first upper profiling pressure head clamp 42 and the second upper profiling pressure head clamp 72 are both provided with a T-shaped clamp head 421 matched with the T-shaped slot, the T-shaped clamp head 421 is detachably clamped in the T-shaped slot, and the T-shaped clamp head 421 and the connecting head 214 are connected and fixed by the first bolt, and a first threaded groove for the first bolt to pass through is arranged between the T-shaped clamp head 421 and the connecting head 214. The second threaded groove is arranged on the periphery of the base 22 at the installation station, the second threaded groove is threadedly connected with the second bolt 15, the pressing block 16 is fixed on the second bolt 15, the handle 17 is fixed on the pressing block 16, and when the handle 17 is rotated, the pressing block 16 is pressed against the first lower profiling support clamp 41 or the second lower profiling support clamp 71 on the installation station.

[0060] In the embodiment, as shown in the figure, Figure 4 The connecting plate 213 is fixed with a connecting sleeve 215, the connecting sleeve 215 is slidably connected with a guide shaft 216, the connecting head 214 is fixedly connected with the guide shaft 216, the end of the guide shaft 216 away from the connecting head 214 is fixed with a limiting block 217, the spring 218 is sleeved on the guide shaft 216 between the connecting sleeve 215 and the connecting head 214, the connecting sleeve 215 is further fixed with a connecting block (not shown) between the limiting block 217 and the connecting head 214, the limiting rod 219 is fixed on the connecting block, the end of the limiting rod 219 away from the connecting block is slidably connected with the limiting block 217, and the height adjusting nut 2191 is threadedly connected on the limiting rod 219 between the connecting block and the limiting block 217.

[0061] In the above manner, the spring 218 sleeved on the guide shaft 216 between the connecting sleeve 215 and the connecting head 214 plays a role of buffering and shock absorption, and during the pressing process of the connecting head 214, the spring 218 can absorb part of the impact force or vibration, and by the arrangement of the height adjusting nut 2191, when the height adjusting nut 2191 is adjusted upward, it can abut against the limiting block 217, thereby driving the entire connecting head 214 to move upward, so as to adjust the tightness of the spring 218.

[0062] In the embodiment, as shown in the figure, Figure 5 The tightening mechanism 3 further comprises an X-axis linear module 31 fixed on the rack 1, a third Z-axis linear module 32 fixed on the output end of the X-axis linear module 31, and a second Y-axis linear module 33 fixed on the output end of the third Z-axis linear module 32, and the tightening gun 34 is fixed on the output end of the second Y-axis linear module 33.

[0063] It should be noted that the first Z-axis linear module 211, the first Y-axis linear module 212, the second Z-axis linear module 5, the third Z-axis linear module 32 and the X-axis linear module 31 can adopt a servo linear slide or a cylinder linear slide in the prior art, and the specific structure is not described in detail in the embodiment.

[0064] In the embodiment, the output end of the second Y-axis linear module 33 is rotationally connected with an adapter shaft 36 through an adapter seat 35, one end of the adapter shaft 36 is fixedly connected with the output end of the tightening gun 34, the first sleeve 8 and the second sleeve 9 are both provided with a plug-in seat 37 with a slot, the slot is matched with the adapter shaft 36, the adapter shaft 36 is plugged into the slot, a pin slot 371 is provided on the plug-in seat 37 and the adapter shaft 36 in the radial direction, and a limiting pin is plugged into the pin slot 371.

[0065] In the above manner, when the tightening operation is needed, the adapter shaft 36 is inserted into the slot of the plug-in seat 37 of the first sleeve 8 or the second sleeve 9, and the pin slot 371 provided on the plug-in seat 37 and the adapter shaft 36 in the radial direction is aligned, at this time, the limiting pin can be inserted into the pin slot 371 to fix the position of the adapter shaft 36, so that the adapter shaft 36 is prevented from moving or rotating during the work process, and a damping sleeve can be provided on the pin to prevent it from being accidentally loosened.

[0066] In the embodiment, as shown in Figure 5 and Figure 6 The synchronous tightening tool further comprises a model changing error prevention assembly, the model changing error prevention assembly comprises a first sensor 11 and a second sensor 12 which are fixed on the adapter seat 35 in sequence from top to bottom, the plug-in seat 37 of the first sleeve 8 is fixed with a first trigger piece (not shown), the plug-in seat 37 of the second sleeve 9 is fixed with a second trigger piece 10, the first trigger piece triggers the first sensor 11 and the second sensor 12 to act, the second trigger piece 10 triggers the second sensor 12 to act, and the length of the first trigger piece is twice the length of the second trigger piece 10. The first sensor 11 and the second sensor 12 can be one of a proximity sensor, a magnetic sensor and a light-sensitive sensor.

[0067] In the working process of the above model changing error prevention assembly, when the tightening operation of the front wheel steering system 13 is needed, the first trigger piece will approach and trigger the first sensor 11 and the second sensor 12, at this time, the first sensor 11 and the second sensor 12 will send two signals, and the system will confirm that it is the first sleeve 8, indicating that the current tightening operation is the front wheel steering system 13, if only the second sensor 12 is triggered, the system will confirm that it is the second sleeve 9 (i.e. the rear wheel steering system 14), thereby realizing efficient model changing and accurate error prevention function.

[0068] The working principle of the synchronous tightening tool compatible with the front wheel steering system 13 and the rear wheel steering system 14 is as follows:

[0069] When the front wheel steering system 13 is being tightened, the inner pull rod 131 is manually preassembled on the housing and preliminarily screwed with the nut, then the housing is installed on the first clamp 4, the clamping jaw cylinder 6 is adapted to clamp the input shaft 132 of the front wheel steering system 13 against rotation, and the two tightening mechanisms 3 drive the first sleeve 8 to synchronously tighten the nuts on the inner pull rods 131 at both ends of the front wheel steering system 13;

[0070] When the rear wheel steering system 14 is being tightened, the yoke 141 is manually preassembled in the housing, the bolts are placed in the two second sleeves 9, then the housing is placed into the second clamp 7, the second sleeves 9 rotate and move forward with the tightening gun 34, and finally the bolts are tightened on the yoke 141.

[0071] The preferred embodiments of the present application are described above, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical solution falling within the idea of the present application belongs to the protection scope of the present application. It should be noted that, for ordinary skilled in the art, some improvements and decorations without departing from the principle of the present application are also considered as the protection scope of the present application.

Claims

1. A synchronous tightening tool compatible with a front wheel steering system and a rear wheel steering system, comprising a frame (1), characterized in that: Also include: Clamping drive mechanism (2) is arranged in the middle of the rack (1), the clamping drive mechanism (2) includes the base (22) and the lower drive assembly (21) located on the base (22) directly above; The first clamp (4) is detachably connected between the lower drive assembly (21) and the base (22), used for clamping and fixing the front wheel steering system; The second clamp (7) is detachably connected between the lower drive assembly (21) and the base (22), used for clamping and fixing the rear wheel steering system; The first clamp (4) and the second clamp (7) are alternatively connected between the lower drive assembly (21) and the base (22); Two tightening mechanisms (3) are arranged on both sides of the rack (1) with the positioning mechanism as the center of symmetry, the tightening mechanism (3) includes a tightening gun; The first sleeve (8) is detachably connected with the output end of the tightening gun, used for tightening the nut on the inner pull rod of the front wheel steering system; The second sleeve (9) is detachably connected with the output end of the tightening gun, used for tightening the nut on the knuckle of the rear wheel steering system; The first sleeve (8) and the second sleeve (9) are alternatively connected with the tightening gun.

2. The synchronized tightening tool for a front wheel steering system and a rear wheel steering system according to claim 1, characterized in that: The lower drive assembly (21) includes a first Z-axis linear module (211) fixed on the rack (1), a first Y-axis linear module (212) fixed on the output end of the first Z-axis linear module (211), and a connecting plate (213) fixed on the output end of the first Y-axis linear module (212), the connecting plate (213) is provided with a connecting head (214), the connecting head (214) is provided with a plurality of connecting heads (214) along the Y-axis direction, the base (22) is provided with a mounting station, and the first clamp (4) and the second clamp (7) are alternatively connected between the mounting stations of the connecting heads (214).

3. The synchronized tightening tool for a compatible front wheel alignment system and rear wheel alignment system of claim 2, wherein: The first clamp (4) includes: The first lower profile supporting clamp (41) is detachably connected to the mounting station, used for supporting the bottom of the shell of the front wheel steering system; The first upper profile pressing head clamp (42) is detachably connected to the connecting head (214), used for pressing the shell of the front wheel steering system on the first lower profile supporting clamp (41); The output end of the first Y-axis linear module (212) is further fixed with a second Z-axis linear module (5), the output end of the second Z-axis linear module (5) is fixed with a clamping jaw cylinder (6), and the clamping jaw cylinder (6) is suitable for anti-rotation clamping of the input shaft of the front wheel steering system.

4. The synchronized tightening tool for a front wheel steering system and a rear wheel steering system according to claim 3, characterized in that: The second clamp (7) includes: The second lower profile supporting clamp (71) is detachably connected to the mounting station, used for supporting the bottom of the shell of the rear wheel steering system; A plurality of second upper profile pressing head clamps (72) are detachably connected to each of the connecting heads (214), one of the second upper profile pressing head clamps (72) is used for anti-rotation pressing of the knuckle of the rear wheel steering system, and the remaining second upper profile pressing head clamps (72) are used for pressing the shell of the rear wheel steering system on the second lower profile supporting clamp (71).

5. The synchronized tightening tool for a compatible front wheel alignment system and rear wheel alignment system of claim 4, wherein: A T-shaped slot is arranged on the connecting head (214), and a T-shaped clamp (421) that is matched with the T-shaped slot is arranged on the first upper profiling pressure head clamp (42) and the second upper profiling pressure head clamp (72), the T-shaped clamp (421) is detachably clamped in the T-shaped slot, and the T-shaped clamp (421) and the connecting head (214) are connected and fixed by the first bolt, the second bolt is threadedly connected to the periphery of the base (22) at the installation station, a pressing block is fixed on the second bolt, and a handle is fixed on the pressing block, when the handle is rotated, the pressing block presses the first lower profiling support clamp (41) or the second lower profiling support clamp (71) tightly on the installation station.

6. The synchronized tightening tool for a compatible front wheel steering system and rear wheel steering system according to claim 2, characterized in that: A connecting sleeve (215) is fixed on the connecting plate (213), a guide shaft (216) is slidably connected to the connecting sleeve (215), the connecting head (214) is fixedly connected with the guide shaft (216), a limiting block (217) is fixed to one end of the guide shaft (216) away from the connecting head (214), a spring (218) is arranged on the guide shaft (216) between the connecting sleeve (215) and the connecting head (214), a connecting block is further fixed on the connecting sleeve (215) between the limiting block (217) and the connecting head (214), a limiting rod (219) is fixed on the connecting block, one end of the limiting rod (219) away from the connecting block is slidably connected with the limiting block (217), and a height adjusting nut (2191) is threadedly connected to the limiting rod (219) between the connecting block and the limiting block (217).

7. The synchronized tightening tool for a front wheel steering system and a rear wheel steering system according to claim 1, characterized in that: The tightening mechanism (3) further comprises an X-axis linear module (31) fixed on the rack (1), a third Z-axis linear module (32) fixed on the output end of the X-axis linear module (31), and a second Y-axis linear module (33) fixed on the output end of the third Z-axis linear module (32), and the tightening gun (34) is fixed on the output end of the second Y-axis linear module (33).

8. The synchronized tightening tool for a front wheel steering system and a rear wheel steering system according to claim 7, characterized in that: An adapter shaft (36) is rotatably connected to the output end of the second Y-axis linear module (33) through an adapter seat (35), one end of the adapter shaft (36) is fixedly connected with the output end of the tightening gun (34), and the first sleeve (8) and the second sleeve (9) are provided with plug-in seats (37) having insertion grooves, the insertion grooves are matched with the adapter shaft (36), the adapter shaft (36) is inserted into the insertion grooves, and a pin groove (371) is arranged on the plug-in seat (37) and the adapter shaft (36) in the radial direction, and a limiting pin is inserted into the pin groove (371).

9. The synchronized tightening tool for a front wheel steering system and a rear wheel steering system according to claim 8, characterized in that: The synchronous tightening tool further comprises a model changing error prevention assembly, the model changing error prevention assembly comprises a first sensor (11) and a second sensor (12) which are fixed on the adapter seat (35) from top to bottom, the plug-in seat (37) of the first sleeve (8) is fixed with a first trigger piece, the plug-in seat (37) of the second sleeve (9) is fixed with a second trigger piece (10), the first trigger piece triggers the first sensor (11) and the second sensor (12) to act, and the second trigger piece (10) triggers the second sensor (12) to act.

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