Reconfigurable suspension assembly tooling

Abstract

This invention provides a reconfigurable suspension assembly fixture. The reconfigurable suspension assembly fixture is used for assembling suspensions and includes a fixture trolley, a base plate, a subframe support, and wheel-end supports. The base plate is mounted on the fixture trolley. The subframe support is located at the center of the upper surface of the base plate and includes a base, a limiting pin, and a strut. The base is detachably connected to the base plate, and the strut is detachably connected to the base via the limiting pin. The wheel-end supports are located at both ends of the upper surface of the base plate and include a wheel-end support plate assembly, a lower support, and an upper support. The wheel-end support plate assembly is connected to the base plate, the lower support is connected to the wheel-end support plate assembly, and the upper support is detachably connected to the lower support via limiting bolts. This invention solves the problems of high changeover costs and long cycles in existing suspension assembly fixtures.

Description

Technical Field

[0001] This invention relates to the field of automotive assembly technology, and more specifically, to a reconfigurable suspension assembly fixture. Background Technology

[0002] During the assembly of automotive suspensions, suspension assembly fixtures need to be made to ensure the assembly accuracy and ease of assembly.

[0003] However, with the rapid development of the automotive industry and the diversification of chassis structures, existing suspension assembly fixtures can only be used for one type of vehicle and are not adjustable. To meet the assembly requirements of new models, it is often necessary to redesign the suspension assembly fixtures, resulting in increased costs, longer lead times, and difficulties in management.

[0004] In other words, existing suspension assembly fixtures suffer from high changeover costs and long cycles. Summary of the Invention

[0005] The main objective of this invention is to provide a reconfigurable suspension assembly fixture to solve the problems of high cost and long cycle time for changing suspension assembly fixtures in the prior art.

[0006] To achieve the above objectives, the present invention provides a reconfigurable suspension assembly fixture for assembling suspensions. The reconfigurable suspension assembly fixture includes: a fixture trolley; a base plate disposed on the fixture trolley; a subframe support located at the center of the upper surface of the base plate, the subframe support including a base, a limiting pin, and a strut, the base being detachably connected to the base plate, and the strut being detachably connected to the base via the limiting pin; and wheel-side supports located at both ends of the upper surface of the base plate, the wheel-side supports including a wheel-side support plate assembly, a lower support, and an upper support, the wheel-side support plate assembly being connected to the base plate, the lower support being connected to the wheel-side support plate assembly, and the upper support being detachably connected to the lower support via limiting bolts.

[0007] Furthermore, a first installation space is provided inside the lower support, and a first guide hole is provided on the side wall of the lower support. The first installation space is connected to the first guide hole, and the first installation space is used to accommodate the upper support. The upper support is provided with a second guide hole that runs through the horizontal direction. When the second guide hole and the first guide hole are aligned coaxially in the horizontal direction, a disassembly and assembly channel is formed.

[0008] Furthermore, the limiting bolt includes a bolt head handle, a bolt shank, a reset component, and a mounting sleeve; the mounting sleeve is connected to the outer side of the end face of the lower support, and the mounting sleeve is coaxially arranged with the first guide hole; the first end of the bolt shank passes through the mounting sleeve and the first guide hole and extends into the second guide hole; the second end of the bolt shank is located outside the lower support and is threadedly connected to the bolt head handle; the reset component abuts between the bolt shank and the mounting sleeve.

[0009] Furthermore, the bolt head has a first hole section and a second hole section, the inner diameter of the first hole section is larger than the inner diameter of the second hole section, and the second hole section is a threaded hole for threaded connection with the second end of the bolt shank, and at least a portion of the mounting sleeve is located within the first hole section.

[0010] Furthermore, the mounting sleeve includes a first sleeve body and a second sleeve body connected in sequence. The inner diameter of the first sleeve body is larger than the inner diameter of the second sleeve body, and the end face of the first sleeve body away from the second sleeve body is fitted with the end face of the lower support. At least part of the second sleeve body is located in the first hole section, and the bolt head contacts or separates the end face of the first sleeve body facing the lower support from the end face of the first sleeve body away from the lower support.

[0011] Furthermore, a first abutting flange is formed on the inner wall of the hole at the end of the second sleeve away from the first sleeve, and a second abutting flange extends radially from the first end of the bolt rod, with the reset member abutting between the first abutting flange and the second abutting flange.

[0012] Furthermore, the limiting bolt has a first state of locking the upper support and a second state of disassembling and assembling the upper support; the process of switching from the first state to the second state is as follows: pull the bolt head handle away from the lower support, causing the bolt rod to move in the same direction and compress the reset member, at least a portion of the bolt rod is embedded in the first guide hole, and the two ends of the reset member abut against the first end of the bolt rod and the first abutting flange of the mounting sleeve, so that the upper support can be disassembled or installed relative to the lower support; the process of switching from the second state to the first state is as follows: loosen the bolt head handle, and through the rebound force of the reset member, move the first end of the bolt rod into the second guide hole, while the bottom surface of the bolt head handle abuts against the first sleeve of the mounting sleeve, so that the upper support is locked.

[0013] Furthermore, the base has a second installation space, and a third guide hole is provided on the side wall of the base, which communicates with the second installation space; a limiting groove is provided on the bottom side wall of the support column, which includes a first section, a second section, and a third section connected in sequence. The extension direction of the first section is the same as the extension direction of the third section, and the extension direction of the first section is perpendicular to the extension direction of the second section; when installing the support column, the limiting pin is inserted through the third guide hole, and the first section is aligned with the limiting pin. The support column is pressed down and rotated circumferentially so that the limiting pin slides from the first section to the end of the second section. Then, the support column is pressed down again so that the limiting pin slides from the second section to the limiting point at the end of the third section away from the second section, thereby locking the support column.

[0014] Furthermore, the tooling trolley includes a trolley assembly, a lifting drive assembly, and an upper plate. The lifting drive assembly is disposed between the trolley assembly and the upper plate. The lifting drive assembly is used to drive the upper plate to move up and down longitudinally relative to the trolley assembly. The base plate is disposed on the upper surface of the upper plate.

[0015] Furthermore, the substrate has multiple mounting holes, each marked with a coordinate code, which includes X-axis coordinates and Y-axis coordinates. The base is marked with coordinate codes corresponding to the mounting holes, which are used for positioning during assembly.

[0016] According to the technical solution of this invention, a reconfigurable suspension assembly fixture is used to assemble suspensions. The reconfigurable suspension assembly fixture includes a fixture trolley, a base plate, a subframe support, and wheel-end supports. The base plate is mounted on the fixture trolley. The subframe support is located in the middle of the upper surface of the base plate. The subframe support includes a base, a limiting pin, and a strut. The base is detachably connected to the base plate, and the strut is detachably connected to the base via the limiting pin. The wheel-end supports are located at both ends of the upper surface of the base plate. The wheel-end supports include a wheel-end support plate assembly, a lower support, and an upper support. The wheel-end support plate assembly is connected to the base plate, the lower support is connected to the wheel-end support plate assembly, and the upper support is detachably connected to the lower support via limiting bolts.

[0017] The base plate of this application is placed on a tooling trolley. The subframe support is located in the middle of the upper surface of the base plate. The base of the subframe support is detachably connected to the base plate, and the strut is detachably connected to the base via limit pins. This allows for the replacement of only the struts of different specifications when changing vehicle models, while retaining the universal base and base plate, thus reducing the tooling cost of assembling different suspensions. Meanwhile, wheel-side supports are located at both ends of the upper surface of the base plate. The wheel-side support plate assembly is connected to the base plate, the lower support is connected to the wheel-side support plate assembly, and the upper support is detachably connected to the lower support via limit bolts. By setting limit bolts, the upper support can be quickly locked and released, allowing it to be replaced as an independent module, thereby improving the changeover efficiency of suspension assembly tooling and reducing the changeover cycle.

[0018] The reconfigurable suspension assembly fixture of this application reduces the development cost of suspension assembly fixtures for new models, shortens the preparation cycle, and simplifies on-site management while ensuring assembly accuracy. Attached Figure Description

[0019] The accompanying drawings, which form part of this application, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings:

[0020] Figure 1 A schematic diagram of the reconfigurable suspension assembly tooling according to an optional embodiment of the present invention is shown;

[0021] Figure 2 A schematic diagram of the tooling trolley of a reconfigurable suspension assembly tooling according to an optional embodiment of the present invention is shown.

[0022] Figure 3A schematic diagram of the base plate of a reconfigurable suspension assembly tooling according to an optional embodiment of the present invention is shown;

[0023] Figure 4 A partial schematic diagram of the baffle of a reconfigurable suspension assembly tooling according to an optional embodiment of the present invention is shown;

[0024] Figure 5 A schematic diagram of the lifting drive assembly of a reconfigurable suspension assembly fixture according to an optional embodiment of the present invention is shown;

[0025] Figure 6 A schematic diagram of the engagement of the lead screw, worm gear, and support in a reconfigurable suspension assembly fixture according to an optional embodiment of the present invention is shown.

[0026] Figure 7 A schematic diagram of the wheel-side support of a reconfigurable suspension assembly fixture according to an optional embodiment of the present invention is shown.

[0027] Figure 8 A top view of a portion of the wheel-side support of a reconfigurable suspension assembly fixture according to an alternative embodiment of the present invention is shown;

[0028] Figure 9 This diagram illustrates a subframe support for a reconfigurable suspension assembly fixture according to an optional embodiment of the present invention.

[0029] Figure 10 A schematic diagram of the support block of the subframe support of the reconfigurable suspension assembly tooling according to an optional embodiment of the present invention is shown.

[0030] Figure 11 A schematic diagram of the support block and locating pin of the subframe support of the reconfigurable suspension assembly tooling according to an optional embodiment of the present invention is shown.

[0031] Figure 12 A schematic diagram of the mounting holes and coordinate codes from one perspective in a reconfigurable suspension assembly fixture according to an optional embodiment of the present invention is shown.

[0032] Figure 13 A schematic diagram showing the mounting holes and coordinate codes from another perspective in a reconfigurable suspension assembly tooling according to an alternative embodiment of the present invention is illustrated.

[0033] The above figures include the following reference numerals:

[0034] 1. Tool trolley; 101. Casters; 102. Foot support; 103. Lower plate; 104. Lower leg support; 105. Upper leg support; 106. Support; 107. Upper plate; 108. Baffle; 109. Omnidirectional ball support; 110. Handrail; 111. First fastener; 112. First limit bracket; 113. Reinforcing plate; 114. Second fastener; 115. Lifting drive assembly; 11501. Motor structure 11502, Main spindle support; 11503, Worm gear; 11504, Lead screw and worm wheel; 11505, Housing; 11507, Top cover; 2. Base plate; 201, Mounting plate; 2011, Mounting hole; 202, Reinforcing square steel; 203, Support plate; 204, Second limit bracket; 205, Third fastener; 3. Subframe support; 301, Base; 3011, Third guide hole; 302, Limit pin; 303, Support column; 3031, First section; 3033, Second section; 3032, Third section; 304, Fourth fastener; 305, Support block; 306, Locating pin; 4, Wheel-side support; 401, Slide rail; 402, First wheel-side support plate; 403, Second wheel-side support plate; 404, Clamp; 405, Limit bolt; 4051, Bolt head handle; 40511, First hole section; 40512, Second hole Section; 4052, Bolt rod; 40521, Second abutting flange; 4053, Reset part; 4054, Mounting sleeve; 40541, First sleeve body; 40542, Second sleeve body; 40543, First abutting flange; 406, Lower support; 4061, First guide hole; 407, Upper support; 4071, Second guide hole; 408, Fifth fastener; 409, Wheel-side support head; 410, Sixth fastener. Detailed Implementation

[0035] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0036] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0037] In this invention, unless otherwise stated, directional terms such as "upper," "lower," "top," and "bottom" are generally used in relation to the direction shown in the accompanying drawings, or in relation to the vertical, perpendicular, or gravitational direction of the component itself; similarly, for ease of understanding and description, "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not intended to limit this invention.

[0038] To address the issues of high cost and long cycle time in existing suspension assembly tooling, such as... Figures 1 to 13As shown, the present invention provides a reconfigurable suspension assembly fixture.

[0039] like Figure 1 In the specific embodiment shown, the reconfigurable suspension assembly fixture is used to assemble the suspension. The reconfigurable suspension assembly fixture includes a fixture trolley 1, a base plate 2, a subframe support 3, and a wheel-side support 4.

[0040] like Figure 2 In the specific embodiment shown, the tooling trolley 1 includes a trolley assembly, a lifting drive assembly 115, and an upper plate 107. The lifting drive assembly 115 is disposed between the trolley assembly and the upper plate 107, and is used to drive the upper plate 107 to move longitudinally relative to the trolley assembly. The base plate 2 is disposed on the upper surface of the upper plate 107. The tooling trolley 1 of this application, through the lifting drive assembly 115 disposed between the trolley assembly and the upper plate 107, drives the upper plate 107 to move longitudinally relative to the trolley assembly, allowing the height of the base plate 2 to be flexibly adjusted to adapt to the operational needs of different vehicle models. This avoids the need to redesign or replace the entire trolley due to differences in chassis height, reducing the general cost of the basic structure.

[0041] like Figure 2 In the specific embodiment shown, the trolley assembly includes casters 101, foot supports 102, a lower plate 103, a lower leg support 104, an upper leg support 105, a support 106, a handrail 110, and a reinforcing plate 113.

[0042] The lower plate 103 serves as the base frame of the tooling. The bottom of the lifting drive assembly 115 is connected to the upper surface of the lower plate 103, providing power for the longitudinal lifting of the upper plate 107. Casters 101 are installed at the four corners of the bottom of the lower plate 103 to support the weight of the entire tooling and allow it to move and be moved flexibly on the workshop floor, meeting the needs of production logistics. Multiple foot supports 102 are located at the bottom of the lower plate 103. During suspension assembly operations, the operator extends the foot supports 102 to contact the ground, thereby enhancing the overall stability of the tooling, preventing displacement of the tooling due to assembly reaction forces, and ensuring operational safety.

[0043] Multiple lower leg supports 104 and multiple upper leg supports 105 are located between the upper plate 107 and the lower plate 103. The lower leg supports 104 and upper leg supports 105 correspond one-to-one, and are engaged by multiple second fasteners 114 to adjust and fix the longitudinal height of the upper plate 107 relative to the lower plate 103. Specifically, the bottom end of the lower leg support 104 is fixedly installed on the upper surface of the lower plate 103, and the top end of the upper leg support 105 is fixedly installed on the lower surface of the lower plate 103. The lower leg support 104 has a hollow structure to accommodate at least a portion of the upper leg support 105, forming a sleeve-type telescopic fit. The lower leg support 104 and the upper leg support 105 are provided with matching guide holes. When the lifting drive assembly 115 drives the upper plate 107 to move to the target longitudinal height, the operator passes the second fastener 114 through the corresponding guide holes on the lower leg support 104 and the upper leg support 105 and tightens it to fix it, thereby rigidly locking the lower leg support 104 and the upper leg support 105, limiting the longitudinal displacement of the upper plate 107 relative to the lower plate 103, and ensuring the stability and load-bearing capacity of the tooling during operation.

[0044] Without interfering with the lifting drive assembly 115, this application also provides a plurality of reinforcing plates 113. The reinforcing plates 113 are plate-shaped strips with both ends fixedly installed between two adjacent lower leg supports 104 to improve local fatigue strength and enhance the structural stability of the trolley assembly.

[0045] The support 106 is connected to the top of the lifting drive assembly 115 and is fixedly installed between two adjacent upper leg supports 105. The top surface of the support 106 contacts the lower surface of the upper plate 107. By increasing the contact area between the two, the lifting drive assembly 115 can stably support and lift the upper plate 107.

[0046] In addition, the handle 110 is fixedly installed on the two adjacent upper leg supports 105, or located on the upper edge of the trolley assembly, so that the operator can hold and push the tool trolley 1.

[0047] like Figure 2 In the specific embodiment shown, the upper plate 107 has a baffle 108, a omnidirectional ball support 109, and a first limiting bracket 112.

[0048] The universal ball support 109 is set on the upper surface of the upper plate 107. The base plate 2 is placed on the universal ball support 109. By adjusting the height or angle of the universal ball support 109 at different positions, the tilt of the base plate 2 relative to the upper plate 107 can be finely adjusted, thereby compensating for the slight deformation of the base plate 2 and ensuring that the base plate 2 maintains a horizontal reference when installing the subframe support 3 and the wheel support 4, thereby ensuring the accuracy of the suspension assembly and avoiding assembly interference or accuracy deviation caused by tooling flatness error.

[0049] like Figure 3In the specific embodiment shown, the base plate 2 is disposed on the upper surface of the upper plate 107. The base plate 2 includes a mounting plate 201 and a support plate 203 connected sequentially from top to bottom. The support plate 203 is disposed at the center of the bottom of the mounting plate 201, so that when the mounting plate 201 bears the concentrated load transmitted by the subframe support 3 and the wheel-side support 4, the force can be evenly distributed to the support plate 203, effectively reducing the bending deformation of the mounting plate 201 caused by excessive cantilever force, and ensuring the flatness of the mounting plate 201. In addition, the side wall of the mounting plate 201 is covered with reinforcing square steel 202. The reinforcing square steel 202 is attached to the edge of the side wall of the mounting plate 201, which enhances the structural rigidity and torsional performance of the side wall of the mounting plate 201, prevents the mounting plate 201 from breaking when subjected to lateral impact or vibration, and extends the service life of the mounting plate 201.

[0050] like Figure 2 and Figure 3 In the specific embodiment shown, the baffle 108 is detachably connected to both ends of the upper surface of the upper plate 107 and fixed by a plurality of first fasteners 111. The first limiting bracket 112 is located on the side of the baffle 108 away from the middle of the upper surface of the upper plate 107. Correspondingly, a second limiting bracket 204 is provided on the side wall of the support plate 203. The first limiting bracket 112 and the second limiting bracket 204 are passed through by a third fastener 205 to limit the horizontal displacement of the support plate 203 relative to the upper plate 107. When the substrate 2 is installed on the tooling trolley 1, the operator adjusts the position of the substrate 2 so that the third fastener 205 passes through the corresponding holes of the first limiting bracket 112 and the second limiting bracket 204 in sequence, and tightens the third fastener 205 with a nut, thereby firmly locking the substrate 2 onto the upper plate 107. The structure of the third fastener 205, together with the first limiting bracket 112 and the second limiting bracket 204, can effectively limit the displacement and rotational freedom of the support plate 203 relative to the upper plate 107 in any direction on the horizontal plane, ensuring the positional stability of the substrate 2 when subjected to heavy load operations and preventing the substrate 2 from sliding or misaligning relative to each other.

[0051] like Figure 2 , Figure 3 and Figure 4In the specific embodiment shown, when the substrate 2 is assembled with the tooling trolley 1, the operator first needs to loosen the first fastener 111. Since the baffle 108 and the upper plate 107 are fitted through an elongated hole, after loosening the first fastener 111, the operator can pull the two baffles 108 along the extension direction of the elongated hole to move the two baffles 108 away from each other, thereby widening the installation opening between the two baffles 108 and providing sufficient space for the insertion of the substrate 2. Then, the position of the substrate 2 is placed and finely adjusted so that the second limiting bracket 204 on the support plate 203 is aligned with the first limiting bracket 112 on the tooling trolley 1, and then the two are fixed by the third fastener 205 to achieve a rigid connection between the tooling trolley 1 and the substrate 2. Finally, the position of the baffle 108 is adjusted so that the universal ball support 109 is tightly attached to the lower surface of the support plate 203 to prevent the substrate 2 from moving.

[0052] like Figure 5 and Figure 6 In the specific embodiment shown, the lifting drive assembly 115 includes a motor structure 11501, a worm gear 11503, and a lead screw and worm wheel 11504 connected together. The top end of the lead screw and worm wheel 11504 is threaded into a threaded hole in the support 106. The output shaft of the motor structure 11501 drives the worm gear 11503 to rotate. The worm gear 11503 meshes with the lead screw and worm wheel 11504. The rotation of the worm gear 11503 drives the support 106 and the upper plate 107 to rise and fall longitudinally through the lead screw and worm wheel 11504, thereby achieving stepless adjustment of the tooling height. It should be noted that before starting the motor structure 11501, the second fastener 114 between the lower leg support 104 and the upper leg support 105 needs to be removed. After the height adjustment is completed, the second fastener 114 between the lower leg support 104 and the upper leg support 105 should be returned to its original position.

[0053] like Figure 5 In the specific embodiment shown, to ensure the stability and sealing of the transmission, the motor structure 11501 also includes a main shaft support 11502, a housing 11505, and a top cover 11507. The main shaft support 11502 has a through hole for the output shaft of the motor structure 11501 to pass through, providing support for the output shaft of the motor structure 11501 and effectively limiting the radial runout and axial movement of the output shaft of the motor structure 11501 during high-speed rotation. The housing 11505 has a hollow circular structure, and the top cover 11507 is located on top of the housing 11505. The top cover 11507 has a through hole to allow the lead screw and worm gear 11504 to pass longitudinally through the top cover 11507 and the housing 11505, while accommodating the coordinated movement of the worm 11503 and the lead screw and worm gear 11504, ensuring the safety of lifting.

[0054] like Figure 7In the specific embodiment shown, the wheel-side support 4 is located at both ends of the upper surface of the mounting plate 201 and is used to support the wheel-side assembly of the vehicle. The wheel-side support 4 includes a wheel-side support plate assembly, a lower support 406, and an upper support 407. The wheel-side support plate assembly is connected to the mounting plate 201, the lower support 406 is connected to the wheel-side support plate assembly, and the upper support 407 is detachably connected to the lower support 406 by a limiting bolt 405. The use of the limiting bolt 405 allows the upper support 407 to be quickly locked and separated from the lower support 406. During vehicle model switching, the operator can quickly pull out the old upper support 407 and insert the upper support 407 of the new model without using additional tools, realizing tool-free quick replacement of the wheel-side support 4. This not only shortens the model changeover time and improves assembly efficiency, but also avoids the remanufacturing of the entire wheel-side support 4 through modular replacement, further reducing the full life cycle cost of tooling and meeting the needs of flexible production of multiple vehicle models.

[0055] like Figure 8 In the specific embodiment shown, a first installation space is provided within the lower support 406, which is used to accommodate at least a portion of the upper support 407. The upper support 407 is positioned and supported longitudinally through the shape fit between the first installation space and the sidewall of the upper support 407. A first guide hole 4061 is provided on the sidewall of the lower support 406, and the first installation space communicates with the first guide hole 4061. The upper support 407 has a second guide hole 4071 that extends horizontally through it. When the upper support 407 is inserted into the first installation space of the lower support 406, the second guide hole 4071 of the upper support 407 and the first guide hole 4061 of the lower support 406 are coaxially aligned in the horizontal direction, forming a continuous disassembly and assembly channel, thereby reducing the assembly difficulty of the upper support 407.

[0056] like Figure 8 In the specific embodiment shown, the limiting bolt 405 includes a bolt head handle 4051, a bolt shank 4052, a reset member 4053, and a mounting sleeve 4054.

[0057] The mounting sleeve 4054 is connected to the outer side of the end face of the lower support 406, and is coaxially arranged with the first guide hole 4061. This not only ensures the guiding accuracy of the bolt rod 4052 during installation and prevents the bolt rod 4052 from becoming misaligned or stuck, but also, as a sealing structure, effectively prevents dust from entering the first installation space, thereby protecting the fitting accuracy of the first guide hole 4061, the second guide hole 4071, and the limit bolt 405, and extending the service life of the limit bolt 405. It should be noted that the mounting sleeve 4054 is relatively fixedly connected to the lower support 406 by multiple sixth fasteners 410.

[0058] The first end of the bolt rod 4052 passes through the mounting sleeve 4054 and the first guide hole 4061, extending into the second guide hole 4071. The second end of the bolt rod 4052 extends to the outside of the lower support 406 and is threadedly connected to the bolt head handle 4051. The entire reset member 4053 is sleeved on the outer circumference of the bolt rod 4052, with both ends of the reset member 4053 abutting between the bolt rod 4052 and the mounting sleeve 4054. A relatively fixed connection is formed between the mounting sleeve 4054 and the lower support 406, and a relatively fixed connection is formed between the second end of the bolt rod 4052 and the bolt head handle 4051. The bolt rod 4052 and the mounting sleeve 4054 provide axial limiting constraint for the reset member 4053, preventing the reset member 4053 from bending laterally or falling off during compression. When the bolt rod 4052 moves within the disassembly / removal channel, the mounting sleeve 4054 and the bolt rod 4052 form a sliding fit, creating space for compression or release of the reset member 4053. This allows the reset member 4053 to generate an elastic force extending axially along the bolt rod 4052 through elastic deformation. Optionally, the reset member 4053 can be a spring.

[0059] like Figure 8 In the specific embodiment shown, the end of the bolt head handle 4051 away from the lower support 406 is provided with a handle structure for easy gripping, so that the operator can pull the bolt head handle 4051, thereby driving the bolt rod 4052 to move within the disassembly and assembly channel, accelerating the disassembly and assembly of the wheel-side support 4. The bolt head handle 4051 is hollow inside, and has a first hole section 40511 and a second hole section 40512 connected to each other. The inner diameter of the first hole section 40511 is larger than the inner diameter of the second hole section 40512. Specifically, the inner diameter of the first hole section 40511 is matched with the outer diameter of the end of the mounting sleeve 4054 away from the lower support 406, so that at least a portion of the end of the mounting sleeve 4054 away from the lower support 406 is located within the first hole section 40511, thereby ensuring the guiding effect on the bolt rod 4052 and the limiting effect on the reset member 4053. The inner diameter of the second hole section 40512 is matched with the outer diameter of the bolt rod 4052, and the second hole section 40512 is a threaded hole for threaded connection with the second end of the bolt rod 4052. This not only improves the connection strength, but also makes it easier for operators to quickly perform locking or loosening operations.

[0060] like Figure 8In the specific embodiment shown, the mounting sleeve 4054 includes a first sleeve body 40541 and a second sleeve body 40542 connected in sequence. The outer diameter of the first sleeve body 40541 is larger than the outer diameter of the second sleeve body 40542, forming a stepped diameter-changing annular structure. Specifically, the end face of the first sleeve body 40541 away from the second sleeve body 40542 is fitted against the end face of the lower support 406, effectively preventing external dust from entering the disassembly and assembly channel. At least a portion of the second sleeve body 40542 is located within the first hole section 40511, and the bolt head contacts or separates the end face of the second sleeve body 40541 facing the lower support 406 from the end face of the first sleeve body 40541 away from the lower support 406. Pulling the bolt head handle 4051 away from the lower support 406 will cause the two end faces, namely the end face of the first sleeve 40541 away from the second sleeve 40542, to gradually separate from the end face of the lower support 406 until the upper support 407 is disengaged from the limit of the bolt rod 4052. After the new upper support 407 is inserted into the first installation space, the bolt head handle 4051 is released under the elastic force of the reset member 4053, which will cause the two end faces to gradually approach each other until the two end faces contact each other.

[0061] like Figure 8 In the specific embodiment shown, the inner diameter of the first sleeve 40541 is at least a portion larger than the inner diameter of the second sleeve 40542, such that a first abutting flange 40543 is formed on the inner wall of the hole at the end of the second sleeve 40542 away from the first sleeve 40541. Simultaneously, the first end of the bolt shank 4052 has a second abutting flange 40521 extending axially perpendicular to the bolt shank 4052, and the second abutting flange 40521 also extends horizontally. The two ends of the reset member 4053 abut against the first abutment flange 40543 and the second abutment flange 40521 respectively. On the one hand, it can form a two-way limiting constraint on the reset member 4053 in the axial direction of the bolt rod 4052. On the other hand, it can limit the effective working stroke of the bolt rod 4052. This prevents the reset member 4053 from deforming or breaking due to excessive compression, and ensures that the reset member 4053 has sufficient elasticity after the bolt head handle 4051 is released, so as to push the second abutment flange 40521 into the second guide hole 4071.

[0062] Therefore, the limiting bolt 405 has a first state of locking the upper support 407 and a second state of removing and installing the upper support 407.

[0063] The process of switching from the first state to the second state is as follows:

[0064] Pull the bolt head handle 4051 away from the lower support 406, causing the bolt rod 4052 to move in the same direction and compress the reset member 4053, so that the second abutting flange 40521 is embedded into the first guide hole 4061. The two ends of the reset member 4053 abut against the first abutting flange 40543 and the second abutting flange 40521 respectively, so that the upper support 407 can be disassembled or installed relative to the lower support 406.

[0065] The process of switching from the second state to the first state is as follows:

[0066] Loosen the bolt head handle 4051. Using the elastic force of the reset member 4053, move the second abutment flange 40521 into the second guide hole 4071 until the end face of the bolt head handle 4051 facing the lower support 406 abuts against the end face of the first sleeve 40541 facing away from the lower support 406, thus locking the upper support 407. It should be noted that the elastic force of the reset member 4053 is sufficient to overcome friction and push the bolt head handle 4051 out.

[0067] like Figure 1 and Figure 7 In the specific embodiment shown, the wheel-side support 4 further includes a wheel-side support head 409, which is detachably connected to the upper support 407 and forms a load-bearing end face that directly supports the wheel-side portion of the vehicle suspension. The wheel-side support head 409 and the upper support 407 are securely connected by a fifth fastener 408. By connecting wheel-side support heads 409 of different vehicle models to the upper support 407, the wheel-side support 4 can be quickly replaced by switching the state of the limiting bolt 405. It should be noted that there are at least two wheel-side supports 4, and the two wheel-side supports 4 are symmetrically arranged.

[0068] like Figure 7In the specific embodiment shown, the wheel-side support plate assembly includes, from bottom to top, a first wheel-side support plate 402, a slide rail 401, and a second wheel-side support plate 403. To accommodate different installation requirements, the first wheel-side support plate 402 is directly mounted on the mounting plate 201. The slide rail 401 is located between the first wheel-side support plate 402 and the second wheel-side support plate 403. The first track of the slide rail 401 is set on the first wheel-side support plate 402, and the second track of the slide rail 401 is set under the second wheel-side support plate 403. The first track and the second track are configured to cooperate. By moving the slide rail, the second wheel-side support plate 403 and its lower support 406 can be moved closer to or further away from the symmetrical wheel-side support 4, thereby achieving position matching between the wheel-side support head 409 and the vehicle suspension, and thus realizing position matching and real-time adjustment of the wheel-side parts of the suspension for different vehicle models. In addition, the wheel-side support plate assembly also includes a clamp 404, which is located on the side of the second wheel-side support plate 403 near the subframe support 3. After the position of the second wheel-side support plate 403 is determined, the clamp 404 can firmly fix the second wheel-side support plate 403 on the slide rail 401 to prevent the second wheel-side support plate 403 from sliding or displacing along the slide rail 401.

[0069] like Figure 9 In the specific embodiment shown, the subframe support 3 is located in the middle of the upper surface of the mounting plate 201 and is used to support the subframe of the vehicle. The subframe support 3 includes a base 301, a limiting pin 302, and a support column 303. The base 301 is detachably connected to the mounting plate 201, and the support column 303 is detachably connected to the base 301 via the limiting pin 302, avoiding frequent disassembly during vehicle model changes, thereby reducing operating time and the risk of fastener loss. The support column 303 is detachably connected to the base 301 via the limiting pin 302, enabling quick insertion, removal, and locking of the support column 303. When dealing with differences in the subframe mounting point height for different vehicle models, only the support column 303 of different heights needs to be replaced, while the universal base 301 and limiting pin 302 are retained. This reduces the types and quantities of special parts required for tooling of new vehicle models, effectively reducing the design and manufacturing costs of tooling and inventory management pressure. It should be noted that there are multiple subframe supports 3, which are distributed as needed between two symmetrically arranged wheel-side supports 4.

[0070] like Figure 9 In the specific embodiment shown, the base 301 has a second mounting space for accommodating the bottom of the support column 303. A third guide hole 3011 is provided on the side wall of the base 301, which communicates with the second mounting space, and the limiting pin 302 can be inserted into the third guide hole 3011.

[0071] like Figure 9In the specific embodiment shown, a limiting groove is provided on the bottom sidewall of the support column 303. The limiting groove has a bent structure and includes a first segment 3031, a second segment 3033, and a third segment 3032 connected in sequence. The extension direction of the first segment 3031 is the same as that of the third segment 3032, and the extension direction of the first segment 3031 is perpendicular to that of the second segment 3033 to avoid excessive displacement after the limiting pin 302 is fixed. In addition, the ends of the first segment 3031 and the third segment 3032 that are far apart from each other are provided with limiting points. Pressing the limiting pin 302 into the limiting points can fix the position of the limiting pin 302. Pulling the limiting pin 302 outward can release the fixing relationship between the limiting points and the limiting pin 302, allowing the limiting pin 302 to slide freely within the limiting groove.

[0072] In one specific embodiment, the first segment 3031 and the third segment 3032 extend longitudinally, and the second segment 3033 extends horizontally. When installing the support column 303, insert the limiting pin 302 through the third guide hole 3011, align the first segment 3031 with the limiting pin 302, press the support column 303 down and rotate it circumferentially so that the limiting pin 302 slides from the first segment 3031 to the end of the second segment 3033, then press the support column 303 down again so that the limiting pin 302 slides from the end of the second segment 3033 to the limiting point of the third segment 3032 to lock the support column 303. When disassembling the base 301, pull it up and rotate the support column 303 in the opposite direction circumferentially so that the limiting pin 302 slides from the third segment 3032 to the beginning of the second segment 3033, then pull the support column 303 up again so that the limiting pin 302 slides to the limiting point of the first segment 3031 to separate the support column 303 from the base 301.

[0073] like Figure 10 and Figure 11 In the specific embodiment shown, the top of the strut 303 is provided with a support block 305 and a positioning pin 306. The support block 305 is detachably connected to the top of the strut 303 by a plurality of fourth fasteners 304 to provide load-bearing support for the middle part of the vehicle suspension. The positioning pin 306 is detachably connected to the top of the support block 305 and is used to position the middle part of the vehicle suspension during the assembly process.

[0074] In some specific embodiments, the first fastener 111, the second fastener 114, the third fastener 205, the fourth fastener 304, the fifth fastener 408, and the sixth fastener 410 may be bolts, locating pins, or other similar structures.

[0075] In some embodiments, the mounting plate 201 has a plurality of mounting holes 2011, each mounting hole 2011 being marked with a coordinate code. The coordinate code adopts a two-dimensional rectangular coordinate system representation, including X-direction coordinates and Y-direction coordinates. (See reference...) Figure 12 and Figure 13 The X direction corresponds to Figure 2 The counting direction on the paper is from right to left, with the Y direction corresponding to... Figure 2 The counting direction is from front to back on the paper surface, so as to assign a unique spatial position identifier to each mounting hole 2011. The base 301 is marked with a coordinate code corresponding to the mounting hole 2011 for positioning during assembly.

[0076] In some specific embodiments, XmYn represents the m-th mounting hole 2011 along the X direction and the n-th mounting hole 2011 along the Y direction on the mounting plate 201. The operator needs to install the base 301 at the m-th mounting hole 2011 along the X direction and the n-th mounting hole 2011 along the Y direction on the mounting plate 201. By replacing manual marking or measurement with visual coordinate coding, installation position errors caused by visual errors or measurement deviations can be avoided, ensuring the accuracy and consistency of tooling positioning, thereby improving overall work efficiency. Of course, coordinate coding can also be set every 5 mounting holes 2011, such as X1Y1, X5Y1, X1Y5, X5Y5, X1Y10, and X5Y10, etc.

[0077] As can be seen from the above description, the embodiments of the present invention achieve the following technical effects:

[0078] 1. The base plate 2 of this application is placed on the tooling trolley 1. The subframe support 3 is located in the middle of the upper surface of the base plate 2. The base 301 of the subframe support 3 is detachably connected to the base plate 2, and the strut 303 is detachably connected to the base 301 through the limiting pin 302. This allows for the replacement of different specifications of struts 303 when changing vehicle models, while retaining the universal base 301 and base plate 2, thus reducing the tooling cost of assembling different suspensions. At the same time, the wheel-side support 4 is located at both ends of the upper surface of the base plate 2. The wheel-side support plate assembly is connected to the base plate 2, the lower support 406 is connected to the wheel-side support plate assembly, and the upper support 407 is detachably connected to the lower support 406 through the limiting bolt 405. By setting the limiting bolt 405, the upper support 407 can be quickly locked and released, allowing the upper support 407 to be replaced as an independent module, thereby improving the changeover efficiency of the suspension assembly tooling and reducing the changeover cycle.

[0079] 2. The reconfigurable suspension assembly fixture of this application reduces the development cost of suspension assembly fixtures for new models, shortens the preparation cycle, and simplifies on-site management while ensuring assembly accuracy.

[0080] Obviously, the embodiments described above are merely some, not all, embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort should fall within the scope of protection of the present invention.

[0081] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0082] It should be noted that the terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in sequences other than those illustrated or described herein.

[0083] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A reconfigurable suspension assembly fixture, characterized in that, The reconfigurable suspension assembly fixture is used to assemble the suspension, and the reconfigurable suspension assembly fixture includes: Tool trolley (1); The substrate (2) is disposed on the tooling trolley (1); Subframe support (3), the subframe support (3) is located in the middle of the upper surface of the base plate (2), the subframe support (3) includes a base (301), a limiting pin (302) and a support column (303), the base (301) is detachably connected to the base plate (2), and the support column (303) is detachably connected to the base (301) through the limiting pin (302); Wheel support (4) is located at both ends of the upper surface of the substrate (2). The wheel support (4) includes a wheel support plate assembly, a lower support (406) and an upper support (407). The wheel support plate assembly is connected to the substrate (2). The lower support (406) is connected to the wheel support plate assembly. The upper support (407) is detachably connected to the lower support (406) by a limiting bolt (405).

2. The reconfigurable suspension assembly fixture according to claim 1, characterized in that, The lower support (406) has a first installation space, and the side wall of the lower support (406) has a first guide hole (4061). The first installation space communicates with the first guide hole (4061) and is used to accommodate the upper support (407). The upper support (407) has a second guide hole (4071) that runs through it in the horizontal direction. When the second guide hole (4071) and the first guide hole (4061) are coaxially aligned in the horizontal direction, a disassembly and assembly channel is formed.

3. The reconfigurable suspension assembly fixture according to claim 2, characterized in that, The limiting bolt (405) includes a bolt head handle (4051), a bolt shank (4052), a reset component (4053), and a mounting sleeve (4054). The mounting sleeve (4054) is connected to the outer side of the end face of the lower support (406), and the mounting sleeve (4054) is coaxially arranged with the first guide hole (4061); The first end of the bolt rod (4052) passes through the mounting sleeve (4054), and the first guide hole (4061) extends into the second guide hole (4071); The second end of the bolt rod (4052) is located outside the lower support (406) and is threadedly connected to the bolt head handle (4051); The reset member (4053) abuts between the bolt rod (4052) and the mounting sleeve (4054).

4. The reconfigurable suspension assembly fixture according to claim 3, characterized in that, The bolt head handle (4051) has a first hole section (40511) and a second hole section (40512). The inner diameter of the first hole section (40511) is larger than the inner diameter of the second hole section (40512), and the second hole section (40512) is a threaded hole for threaded connection with the second end of the bolt rod (4052). At least a portion of the mounting sleeve (4054) is located inside the first hole section (40511).

5. The reconfigurable suspension assembly fixture according to claim 4, characterized in that, The mounting sleeve (4054) includes a first sleeve body (40541) and a second sleeve body (40542) connected in sequence. The inner diameter of the first sleeve body (40541) is larger than the inner diameter of the second sleeve body (40542). The end face of the first sleeve body (40541) away from the second sleeve body (40542) is fitted with the end face of the lower support (406). At least a portion of the second sleeve body (40542) is located in the first hole section (40511). The end face of the bolt head (4051) facing the lower support (406) is in contact with or separate from the end face of the first sleeve body (40541) away from the lower support (406).

6. The reconfigurable suspension assembly fixture according to claim 5, characterized in that, The inner wall of the hole at the end of the second sleeve (40542) away from the first sleeve (40541) is formed with a first abutting flange (40543), the first end of the bolt rod (4052) has a radially extending second abutting flange (40521), and the reset member (4053) abuts between the first abutting flange (40543) and the second abutting flange (40521).

7. The reconfigurable suspension assembly fixture according to claim 3, characterized in that, The limiting bolt (405) has a first state of locking the upper support (407) and a second state of detaching and assembling the upper support (407); The process of switching from the first state to the second state is as follows: pull the bolt head handle (4051) away from the lower support (406), causing the bolt rod (4052) to move in the same direction and compress the reset member (4053). At least a portion of the bolt rod (4052) is embedded in the first guide hole (4061). The two ends of the reset member (4053) abut against the first end of the bolt rod (4052) and the first abutting flange (40543) of the mounting sleeve (4054), respectively, so that the upper support (407) can be disassembled or installed relative to the lower support (406). The process of switching from the second state to the first state is as follows: loosen the bolt head handle (4051), and move the first end of the bolt rod (4052) into the second guide hole (4071) by the rebound force of the reset member (4053), while simultaneously abutting the bottom surface of the bolt head handle (4051) against the first sleeve body (40541) of the mounting sleeve (4054) so ​​that the upper support (407) is locked.

8. The reconfigurable suspension assembly fixture according to claim 1, characterized in that, The base (301) has a second mounting space, and a third guide hole (3011) is provided on the side wall of the base (301), and the third guide hole (3011) communicates with the second mounting space; The bottom sidewall of the support column (303) is provided with a limiting groove, which includes a first segment (3031), a second segment (3033) and a third segment (3032) connected in sequence. The extension direction of the first segment (3031) is the same as the extension direction of the third segment (3032), and the extension direction of the first segment (3031) is perpendicular to the extension direction of the second segment (3033). When installing the support column (303), the limiting pin (302) is inserted through the third guide hole (3011), and the first segment (3031) is aligned with the limiting pin (302). The support column (303) is pressed down and rotated circumferentially so that the limiting pin (302) slides from the first segment (3031) to the end of the second segment (3033). The support column (303) is then pressed down again so that the limiting pin (302) slides from the second segment (3033) to the limiting point at the end of the third segment (3032) away from the second segment (3033) to lock the support column (303).

9. The reconfigurable suspension assembly fixture according to any one of claims 1 to 8, characterized in that, The tooling trolley (1) includes a trolley assembly, a lifting drive assembly (115) and an upper plate (107). The lifting drive assembly (115) is disposed between the trolley assembly and the upper plate (107). The lifting drive assembly (115) is used to drive the upper plate (107) to move vertically relative to the trolley assembly. The base plate (2) is disposed on the upper surface of the upper plate (107).

10. The reconfigurable suspension assembly fixture according to any one of claims 1 to 8, characterized in that, The substrate (2) is provided with a plurality of mounting holes (2011), and each mounting hole (2011) is marked with a coordinate code, the coordinate code including X-direction coordinates and Y-direction coordinates. The base (301) is marked with a coordinate code corresponding to the mounting hole (2011) for positioning during assembly.

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