Jacking device for installing automobile suspension system and using method of jacking device

Abstract

The invention discloses a jacking device for installation of an automobile suspension system and a using method of the jacking device. The jacking device for installation of the automobile suspension system comprises a bottom plate, a lifting device is arranged on the bottom plate, and security devices are arranged on the two sides of the lifting device; the security device comprises a locking groove, a locking edge, a reset block and a security plate; the locking grooves are formed in the two sides of the lifting device. A plurality of locking ridges are arranged in the locking groove, and the reset block can slide; a reset groove is formed in the reset block; the security plate can cover the locking groove and comprises a supporting plate and a locking plate, the supporting plate and the locking plate can rotate towards the sides close to each other, an arc block is arranged at one end of the locking plate, the end, provided with the arc block, of the locking plate can be inserted into the reset groove, and the locking plate and the reset block can move synchronously. According to the jacking device for installing the automobile suspension system and the using method of the jacking device, the jacking device can be used according to different working conditions, and the stability effect of an automobile is kept.

Description

Technical Field

[0001] The present invention belongs to the technical field of jacks, and more specifically, relates to a jack for installing an automotive suspension system and a using method thereof. Background Art

[0002] An automotive suspension is a mechanism that connects the wheels to the vehicle body, and also refers to the entire support system composed of springs and shock absorbers between the vehicle body and the tires. It supports and dampens the vehicle body, mainly transmits the force between the wheels and the frame, and buffers the impact force transmitted from the uneven road surface to the frame or the vehicle body, and attenuates the resulting vibration to ensure that the vehicle can drive smoothly.

[0003] In the prior art, for the replacement of an automotive suspension, the vehicle needs to be driven to a designated location, the insertion arm is inserted under the vehicle body, and the vehicle is lifted to a certain height by a gantry, and then the suspension of the vehicle is inspected or the suspension of the vehicle is replaced.

[0004] In another method of the prior art, to lift the vehicle by a jack, the jack needs to be placed under the vehicle body, and the vehicle is lifted by the jack to realize the lifting of the vehicle, and then the vehicle chassis is observed, and then the suspension of the vehicle is inspected or the suspension of the vehicle is replaced.

[0005] The inventor believes that there are still the following deficiencies in the devices on the market during use: 1. Lifting the vehicle by a gantry is limited by the site. A large site is required to place the gantry, and the gantry is fixed to the ground and is not easy to move, so the adaptability to the scenario is poor; 2. When the jack lifts the vehicle body, according to the different heights required by the vehicle body to adapt to different working conditions, different safety frames are also required to adapt to different working conditions; Therefore, when lifting the vehicle, the operator needs to lift the vehicle body according to the requirements to keep the jacking equipment in a stable state under different working conditions, and a safety device that can adapt to different heights is required; to avoid the vehicle shaking during the jacking process and causing harm to the staff below.

[0006] In view of the above problems, the inventor proposes a jack for installing an automotive suspension system and a using method thereof. Summary of the Invention

[0007] An object of the present invention is to use a jack according to different working conditions and maintain the stability of the vehicle.

[0008] Aiming at the deficiencies of the prior art, an object of the present invention is to provide a jack for installing an automotive suspension system and a using method thereof.

[0009] To achieve the foregoing invention objective, the technical solution adopted by the present invention includes: a bottom plate, a lifting device is arranged on the bottom plate, and security devices are arranged on both sides of the lifting device; The security device includes: a locking groove, a locking rib, a reset block, and a security plate; The locking grooves are arranged on both sides of the lifting device; a plurality of locking ribs are arranged in the locking grooves, and the reset block can slide along the length direction of the locking groove; A reset groove is formed on the reset block, and the edge of the reset groove is rounded; The security plate can cover the locking groove. The security plate includes a support plate and a locking plate. The support plate and the locking plate can rotate towards the side close to each other. An arc block is arranged at one end of the locking plate, and the end of the locking plate provided with the arc block can be inserted into the reset groove, and the locking plate can move synchronously with the reset block Optionally, a spring is arranged on the side of the reset block close to the lifting device. Under normal conditions, the spring is in a contracted state. Pull the side of the reset block close to the lifting device. When the reset block moves towards the side away from the lifting device, the spring is stretched, and the spring has a tendency to pull the reset block towards the side close to the lifting device.

[0010] Compared with the prior art, the advantages of the present invention include: (1) A jack for installing an automotive suspension system provided by the present invention. The locking rib array forms a stepped clamping position, and together with the synchronous lifting mechanism of the security device, instant locking can be achieved at any height position.

[0011] (2) A jack for installing an automotive suspension system provided by the present invention. The automatic return mechanism of the reset block and the limit release design of the arc block can ensure that there is no risk of jamming during the descending process, and it can withstand the impact of the load through testing.

[0012] Optionally, a guiding inclined surface is arranged on the side of the locking rib away from the lifting device.

[0013] Optionally, a connecting device is arranged on one side of the bottom plate; the connecting device includes a connecting rod, a limiting plate, and a limiting groove; the connecting rod is rotatably connected to the bottom plate, the connecting rod is in contact with the limiting plate, and one end of the connecting rod can be arranged in the limiting groove.

[0014] Optionally, the rotation point of the connecting rod and the bottom plate does not overlap with the middle position of the bottom plate.

[0015] Optionally, a plurality of stop universal wheels are arranged under the bottom plate, and stop blocks that can be in contact with the ground are arranged at both ends of the bottom plate.

[0016] Optionally, S101: According to the working conditions, move the bottom plate to the specified position; S201: According to the working conditions, lift the vehicle; S202: Achieve vehicle stability, perform vehicle maintenance or inspection; S301: Release the security device; S401: Reset the base plate and check the workpiece condition. Description of the Drawings

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments recorded in the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is the overall schematic diagram of a jack for installing an automotive suspension system in the present invention; Figure 2 It is the side view of a jack for installing an automotive suspension system in the present invention; Figure 3 It is the top view of a jack for installing an automotive suspension system in the present invention.

[0019] Figure 4 It is the cross-sectional view of a jack for installing an automotive suspension system in the present invention.

[0020] Figure 5 In the present invention Figure 4 Partial enlarged view of part A.

[0021] Figure 6 It is the partial schematic diagram of the security plate protruding from a jack for installing an automotive suspension system in the present invention.

[0022] Figure 7 It is the schematic diagram of two jacks for installing an automotive suspension system in the present invention working together.

[0023] Reference numerals: 1, base plate; 11, stop universal wheel; 12, stop block; 2, connecting device; 21, connecting rod; 22, limiting plate; 23, limiting groove; 211, extension rod; 212, sleeve; 213, limiting bolt; 214, scale line; 4, lifting device; 41, lifting plate; 5, security device; 51, locking groove; 52, locking rib; 521, guiding inclined surface; 53, guiding block; 531, guiding groove; 54, reset block; 541, reset groove; 55, spring; 6, security plate; 61, supporting plate; 62, locking plate; 63, security column; 64, rubber pad; 65, synchronous plate; 66, synchronous groove; 67, arc block.

[0024] Among them, the same components in the drawings are denoted by the same reference numerals; the drawings are not drawn to actual scale. Detailed implementation manners

[0025] In view of the deficiencies in the prior art, the inventors of this case have, through long-term research and a large number of practices, been able to propose the technical solution of the present invention. The following will further explain and illustrate the technical solution, its implementation process and principles, etc. in combination with the drawings in the embodiments of the present application and specific implementation cases.

[0026] It should be noted that the embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention, and should not be construed as a limitation of the present invention. The described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, the present invention covers any substitutions, modifications, equivalent methods and solutions made on the spirit, principle and scope of the present invention defined by the claims. All other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0027] In the description of the present application, terms such as "first", "second", "third" and similar words do not denote any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as "a" or "one" do not denote a quantity limitation, but mean that there is at least one. Words such as "comprising" or "including" mean that the elements or objects appearing before "comprising" or "including" cover the elements or objects listed after "comprising" or "including" and their equivalents, and do not exclude other elements or objects. Terms such as "connected" or "coupled" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

[0028] In the description of the present application, the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present application. In addition, when using position terms such as both sides, outer sides, upper and lower, etc., it should be understood that they are only used for easy understanding and description, considering that the structure may be oriented to other positions.

[0029] In the description of this application, unless otherwise clearly specified and defined, the technical terms or scientific terms used should have the ordinary meaning understood by those with ordinary skills in the field to which this application belongs. Terms such as "installation", "connection", and "linkage" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or a contact connection or an integral connection; for those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0030] The embodiments of the present invention are intended to introduce and explain the structural composition of a jack for installing an automotive suspension system and the cooperation relationship between the various component structures. Unless otherwise specified, the dimensions, materials, manufacturing processes, etc. of the various components in the jack for installing an automotive suspension system and its usage method in the embodiments of the present invention can be selected according to specific circumstances, and no special limitations and explanations are made here.

[0031] Furthermore, in order to enable the public to have a better understanding of the present invention, in the following detailed description of the present invention, some specific detailed parts are described in detail. Those skilled in the art can fully understand the present invention without the description of these detailed parts.

[0032] Embodiment 1 Please refer to Figure 1-7 As shown, a jack for installing an automotive suspension system includes a bottom plate 1. A plurality of stop universal wheels 11 are provided on the lower surface of the bottom plate 1. Stop blocks 12 are provided at both ends of the bottom plate 1. The stop blocks 12 are made of rubber and are slidably connected to the bottom plate 11; the lower surface of the stop block 12 can be in contact with the ground.

[0033] Please refer to Figure 1-7 As shown, a connecting device 2 is provided on one side of the bottom plate 1. The connecting device 2 includes a connecting rod 21, a limiting plate 22, and a limiting groove 23.

[0034] Please refer to Figure 1-7 As shown, the connecting rod 21 is horizontally arranged. The connecting rod 21 includes an extension rod 211 and a sleeve 212. One end of the sleeve 212 is rotatably connected to the bottom plate 1. The end of the sleeve 212 away from the bottom plate 1 is provided with an open end. The rotation position of the sleeve 212 and the bottom plate 1 does not overlap with the middle position of the bottom plate 1; a limiting plate 22 is provided on the bottom plate 1 corresponding to the position of the sleeve 212. The limiting plate 22 is perpendicular to the bottom plate 1 and integrally formed; the outer surface of the sleeve 212 can be in contact with the limiting plate 22; Please refer to Figure 1-7As shown in the figure, the extension rod 211 is inserted into the sleeve 212. The extension rod 211 can be slidably connected along the axial direction of the sleeve 212. Scale lines 214 are arranged on the extension rod 211 along the axial direction of the extension rod 211. One end of the sleeve 212 is rotatably connected with a limit bolt 213. The end of the limit bolt 213 can penetrate through the sleeve 212 and abut against the outer surface of the extension rod 211 to limit the relative position of the extension rod 211 and the sleeve 212 from changing.

[0035] Please refer to Figure 1-7 As shown in the figure, a limit groove 23 is formed on the bottom plate 1. The limit groove 23 is located on the same side of the bottom plate 1 as the connecting rod 21 and is symmetrically arranged. The opening direction of the limit groove 23 is perpendicular to the bottom plate 1. The radius of the limit groove 23 is the same as the radius of the extension rod 211.

[0036] During use, when only replacing the suspension on one side of the vehicle according to the working conditions, only one bottom plate 1 is needed for support. When it is necessary to replace the suspensions on both sides of the vehicle, by rotating the connecting rod 21, the outer surface of the connecting rod 21 is abutted against the limiting plate 22, and another identical bottom plate 1 is symmetrically placed. According to the width of the vehicle model, the extension rod 211 is slid out of the sleeve 212. Observe the scale on the extension rod 211. When reaching the width of the vehicle, rotate the limit bolt 213. The end of the limit bolt 213 abuts against the extension rod 211 to limit the relative position of the extension rod 211 and the sleeve 212 from changing. Move the two bottom plates 1 closer to each other so that the extension rod 211 on one bottom plate 1 can be inserted into the limit hole of the other bottom plate 1. Through the limiting plate 22 and the limit hole, the relative position of the two bottom plates 1 is limited from changing.

[0037] Please refer to Figure 1-7 As shown in the figure, a lifting device 4 is arranged on the bottom plate 1. A lifting plate 41 is arranged on the lifting device 4. The length direction of the lifting plate 41 is the same as the length direction of the bottom plate 1.

[0038] Please refer to Figure 1-7 As shown in the figure, safety devices 5 are arranged on both sides of the bottom plate 1 corresponding to the lift. The safety device 5 includes a locking groove 51, a locking rib 52, a guide block 53, a reset block 54, and a safety plate 6. The locking grooves 51 are arranged on both sides of the bottom plate 1 corresponding to the lifting device 4. Two locking grooves 51 are formed on the bottom plate 1. The opening direction of each locking groove 51 is the same as the length direction of the bottom plate 1. A plurality of locking ribs 52 are arranged in each locking groove 51. The locking ribs 52 are arranged in an array along the length direction of the locking groove 51. A guide inclined surface 521 is formed on the side of each locking rib 52 away from the lift. Locking spaces are arranged between the locking ribs 52.

[0039] Please refer to Figure 1-7As shown in the figure, two guiding blocks 53 are arranged on both sides of the bottom plate 1 corresponding to the locking groove 51. The length direction of the guiding blocks 53 is the same as that of the locking groove 51. On the side of the guiding blocks 53 close to each other, guiding grooves 531 are formed. The opening direction of the guiding grooves 531 is the same as the length direction of the guiding blocks 53. A reset block 54 is slidably connected in the guiding groove 531. Under normal conditions, the reset block 54 is located on the side of the locking groove 51 close to the lift. The lower surface of the reset block 54 and the upper surface of the locking rib 52 are on the same horizontal plane. The reset block 54 can slide in the guiding groove 531 along the opening direction of the guiding groove 531. A reset groove 541 is formed on the upper surface of the reset block 54. The edge of the reset groove 541 is located on the top surface of the reset block 54 and is flush with the upper surface of the reset block 54. The edge of the reset groove 541 is rounded. A spring 55 is arranged on the side of the reset block 54 close to the lift. One end of the spring 55 is fixedly connected to the reset block 54, and the other end of the spring 55 is fixedly connected to the bottom plate 1. The axis direction of the spring 55 is the same as the length direction of the bottom plate 1. Under normal conditions, the spring 55 is in a contracted state, pulling the reset block 54 to the side of the guiding groove 531 close to the lift. When the reset block 54 tends to move away from the lift, the spring 55 is stretched, and the spring 55 has a tendency to pull the reset block 54 to move towards the side close to the lift.

[0040] Please refer to Figure 1-7 As shown in the figure, two security plates 6 are arranged on the bottom plate 1. Both security plates 6 include a support plate 61, a locking plate 62 and a security post 63. The support plate 61 and the locking plate 62 are respectively arranged on both sides of the security post 63. The security post 63 is vertically arranged. The support plate 61 is rotatably connected to the security post 63, and the security post 63 and the locking plate 62 are rotatably connected. The support plate 61 can rotate around the security post 63 towards the direction close to the locking groove 51, and the locking plate 62 can rotate around the security post 63 towards the direction close to the locking groove 51. A rubber pad 64 is arranged on the upper surface of each security post 63, and a synchronization plate 65 is arranged on the side of each security post 63 close to the lifting device 4. A synchronization groove 66 is formed on the lifting plate 41 corresponding to the synchronization plate 65, and the synchronization plate 65 can be inserted into the synchronization groove 66.

[0041] Please refer to Figure 1-7 As shown in the figure, one side of the support plate 61 is arranged on the side of the bottom plate 1 corresponding to the locking groove 51 close to the lift. The support plate 61 is rotatably connected to the bottom plate 1. An arc block 67 is arranged at the end of the locking plate 62 far from the security post 63. The arc block 67 is arranged on the side of the locking plate 62 close to the locking groove 51. The diameter of the arc block 67 is larger than the width of the reset groove 541 of the reset block 54, and the radius of the arc block 67 is larger than the depth of the reset groove 541 of the reset block 54.

[0042] During use, first conduct an initial inspection of the equipment: check whether the locking ribs 52 in the locking groove 51 are neatly arranged and there is no foreign object jamming on the guiding inclined surface 521; confirm that the reset block 54 is fully retracted to the end near the lift of the guiding groove 531 and the spring 55 is in a natural contraction state; rotate the security column 63 to make the synchronous plate 65 closely fit the upper surface of the lifting plate 41 and keep the security plate 6 in the vertical locking position. In the initial use state, the support plate 61 and the locking plate 62 of the security plate 6 are in a horizontal state, and the synchronous plate 65 on one side of the security plate 6 is inserted into the synchronous groove 66.

[0043] During the lifting stage, start the lifting device 4 and slowly lift the lifting plate 41 to the target height; when the lifting plate 41 rises, the synchronous plate 65 moves synchronously upward along with the synchronous groove 66 on the lifting plate 41, and the synchronous plate 65 slides into the synchronous groove 66 along the opening direction of the synchronous groove 66; drive the security column 63 to move upward, thereby causing the support plate 61 and the locking plate 62 to rotate towards the side close to the locking groove 51, so that the end of the locking plate 62 away from the security column 63 is arranged in the locking groove 51. As the lifting device 4 gradually moves, the end of the locking plate 62 moves along the opening direction of the locking groove 51, gradually passes through the locking ribs 52, and through the guiding inclined surface 521 on the locking ribs 52, when the locking plate 62 moves, the arc block 67 on the locking plate 62 abuts against the guiding inclined surface 521 to reduce friction.

[0044] When it moves to the target height, one end of the locking plate 62 is clamped in the locking space between the locking ribs 52, and the locking plate 62 abuts against the locking rib 52 away from the lifting device 4, restricting the relative position of the locking rib 52 from changing, and further restricting the relative position of the security plate 6 from changing.

[0045] When the work is completed, the lifting device 4 is activated to the maximum height. The arc block 67 on the locking plate 62 moves into the reset groove 541 of the reset block 54 as the locking plate 62 moves. One end of the locking plate 62 fixedly connected with the arc block 67 disengages from the locking groove 51 and is clamped in the reset groove 541 of the reset block 54. Subsequently, the lifting device 4 descends. One end of the locking plate 62 is inserted into the reset groove 541 of the reset block 54. The lifting device 4 drives the security column 63 to move downward, and the synchronization plate 65 slides out of the synchronization groove 66 in a direction away from the lifting plate 41. The security plate 6 on one side of the security column 63 rotates in a direction away from the locking groove 51, and the locking plate 62 on one side of the security column 63 rotates in a direction away from the locking groove 51. One end of the locking plate 62 fixedly connected with the arc block 67 is arranged in the reset block 54, driving the reset block 54 to slide along the opening direction of the guiding groove 531. When the reset block 54 moves toward the side away from the lift, the spring 55 is stretched, and the spring 55 has a tendency to pull the reset block 54 to move toward the side close to the lift. When moving to the end of the guiding groove 531, the locking plate 62 and the security plate 6 are in a horizontal state. Since the radius of the arc block 67 is greater than the width of the reset groove 541 of the reset block 54, there is no clamping relationship between the arc block 67 and the reset block 54. The outer peripheral surface of the arc block 67 abuts against the edge of the reset groove 541 of the guiding block 53, and the edge of the reset groove 541 abuts against the arc block 67, reducing the frictional force, enabling the locking plate 62 to disengage from the limiting relationship with the guiding block 53. The spring 55 has a force to drive the reset block 54 to slide along the opening direction of the guiding groove 531 to the initial position. Subsequently, without the support of the guiding block 53, one end of the locking plate 62 fixedly connected with the arc block 67 enters the locking groove 51.

[0046] Please refer to Figure 1-7 As shown, based on a jack for installing an automotive suspension system disclosed in an embodiment of the present application, the embodiment of the present application also provides a method for using a jack for installing an automotive suspension system: S101: Move the base plate 1 to a designated position according to the working conditions; According to the working conditions, first, the base plate 1 is moved to the designated position through the stop universal wheels 11 on the base plate 1. After reaching the designated position, the stop block 12 on the base plate 1 is slid to make the stop block 12 abut against the ground, realizing the limitation of the relative position of the base plate 1. When only replacing the suspension on one side of the vehicle, only one base plate 1 is used for support. When it is necessary to replace the suspensions on both sides of the vehicle, by rotating the connecting rod 21, the outer surface of the connecting rod 21 is made to abut against the limiting plate 22, and another identical base plate 1 is symmetrically placed and used on the base plate 1 at the same time. By sliding the stop block 12 on the base plate 1, the stop block 12 is made to abut against the ground, realizing the limitation of the relative position of the base plate 1.

[0047] S201: Lift the vehicle according to the working conditions; During the lifting stage, the lifting device 4 is activated, and the lifting plate 41 is slowly lifted until it abuts against the vehicle chassis; the contact area is increased through the lifting plate 41 to reduce the pressure and enhance the stability of the lifting device 4; when the lifting device 4 rises, the security devices 5 arranged on both sides of the lifting device 4 are synchronously lifted, and step-by-step locking is achieved simultaneously to realize the stable function.

[0048] S202: Achieve vehicle stability and perform vehicle maintenance or inspection; S301: Release the security device 5; Activate the lifting device 4 to the maximum height. After the locking device follows the lifting device 4 to release the self-locking state, the locking device is driven by the lifting device 4 to move to the initial position so that the locking device is not in the self-locking state.

[0049] S401: Reset the bottom plate 1 and check the workpiece condition.

[0050] It should be understood that the above embodiments are only used to illustrate the technical concept and features of the present invention. The purpose is to enable those familiar with this technology to understand the content of the present invention and implement it accordingly. It cannot be determined that the specific implementation of the present invention is only limited to these descriptions. For those of ordinary skill in the technical field to which the present invention belongs, without departing from the concept of the present invention, several simple deductions or substitutions can still be made. Any equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A jack for installing an automotive suspension system, characterized in that: It includes a bottom plate (1), a lifting device (4) is arranged on the bottom plate (1), and safety devices (5) are arranged on both sides of the lifting device (4); The safety device (5) includes: a locking groove (51), a locking rib (52), a reset block (54) and a safety plate (6); The locking grooves (51) are arranged on both sides of the lifting device (4); a plurality of locking ribs (52) are arranged in the locking grooves (51), and the reset block (54) can slide along the length direction of the locking grooves (51); A reset groove (541) is formed in the reset block (54), and the edge of the reset groove (541) is rounded; The safety plate (6) can cover the locking groove (51), the safety plate (6) includes a support plate (61) and a locking plate (62), the support plate (61) and the locking plate (62) can rotate towards the side close to each other, one end of the locking plate (62) is provided with an arc block (67), and the end of the locking plate (62) provided with the arc block (67) can be inserted into the reset groove (541), and the locking plate (62) can move synchronously with the reset block (54).

2. The jack for installing an automotive suspension system according to claim 1, wherein: A spring (55) is arranged on the side of the reset block (54) close to the lifting device (4). Under normal conditions, the spring (55) is in a contracted state. Pull the side of the reset block (54) close to the lifting device (4). When the reset block (54) moves towards the side away from the lifting device (4), the spring (55) is stretched, and the spring (55) has a tendency to pull the reset block (54) towards the side close to the lifting device (4).

3. The jack for installing an automotive suspension system according to claim 1, wherein: A guiding inclined surface (521) is formed on the side of the locking rib (52) away from the lifting device (4).

4. A jack for installing an automotive suspension system according to claim 1, characterized in that: A connecting device (2) is arranged on one side of the bottom plate (1); The connecting device (2) includes a connecting rod (21), a limiting plate (22) and a limiting groove (23); The connecting rod (21) is rotatably connected to the bottom plate (1), the connecting rod (21) abuts against the limiting plate (22), and one end of the connecting rod (21) can be arranged in the limiting groove (23).

5. The jack for installing an automotive suspension system according to the claim, characterized in that: The rotation point of the connecting rod (21) and the bottom plate (1) does not overlap with the middle position of the bottom plate (1).

6. The jack for installing an automotive suspension system according to claim 1, wherein: A plurality of stop universal wheels (11) are arranged under the bottom plate (1), and stop blocks (12) capable of abutting against the ground are arranged at both ends of the bottom plate (1).

7. The usage method of a jack for installing an automotive suspension system according to claim 1, characterized in that: S101: According to the working conditions, move the bottom plate (1) to the specified position; S201: According to the working conditions, lift the vehicle; S202: Stabilize the vehicle and perform vehicle maintenance or inspection; S301: Release the safety device (5); S401: Reset the bottom plate (1) and check the workpiece condition.

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