Lifting machine capable of automatically adapting to wheel track

Abstract

The lifting machine comprises a base, an overhauling plate is arranged over the base, a partition plate is fixedly mounted in the middle of the overhauling plate, mounting plates are symmetrically and fixedly mounted in the middles of the overhauling plate and the partition plate, and supporting plates are slidably connected to the top ends of the two mounting plates; first sliding grooves are symmetrically formed in the two ends of the mounting plate, first sliding blocks are symmetrically and fixedly installed at the two ends of the supporting plate, the first sliding blocks are matched with the first sliding grooves, first connecting springs are fixedly installed in the first sliding grooves, and a first connecting plate, a second connecting plate and a third connecting plate are symmetrically and rotationally connected to the top end of the overhauling plate. Through linkage of the multiple sets of connecting plates, the sliding plates and the connecting springs, automatic adaptation of vehicles with different wheel treads is achieved, manual adjustment is not needed, the operation efficiency is improved, the vehicle overhauling safety is ensured, the multiple connecting plates work cooperatively, and the wheel tread adjusting flexibility is enhanced.

Description

Technical Field

[0001] The present invention relates to the technical field of lifts, and more particularly to a lift that automatically adapts to wheelbase. Background Art

[0002] A lift refers to an automotive maintenance equipment used for lifting vehicles in the automotive repair industry. Lifts play a crucial role in automotive repair and maintenance. Whether it is a major overhaul of a whole vehicle or minor repair and maintenance, it is indispensable. Its product nature and quality directly affect the personal safety of maintenance personnel. In maintenance and repair enterprises of various scales, whether it is a comprehensive repair shop that repairs multiple vehicle models or a roadside shop with a single business scope, almost all are equipped with lifts.

[0003] According to a lift disclosed in the patent publication No. CN218754801U, it includes a base. The top surface of the base is provided with two adjustment grooves. The inner bottom surface of the adjustment groove is fixedly installed with a slide bar. The top surface of the base is fixedly installed with a PLC controller; a lifting assembly is arranged on the top surface of the base for lifting the vehicle. The lifting assembly includes a plurality of vertical pipes. A plurality of the vertical pipes are all arranged on the top surface of the base. The bottom surface of the vertical pipe is fixedly installed with a slider. The slider is movably sleeved in the adjustment groove. A chute is provided on the bottom surface of the slider. The chute is movably sleeved with the slide bar. A mounting hole is provided on the top surface of the vertical pipe. By the mutual cooperation of the base, adjustment groove, slide bar, slider, chute, vertical pipe, electric hydraulic rod, support block, limit block, limit hole, connecting block, mounting hole and lifting hole, the effect of lifting the vehicle is achieved.

[0004] The above device can adjust the front and rear spacing of the limit block to position the wheels of vehicles of different lengths. However, according to different vehicle models, the width spacing between their wheels is also different. Only adjusting the length spacing cannot adapt to vehicles with different width wheelbases for maintenance. Summary of the Invention

[0005] The purpose of the present invention is to provide a lift that automatically adapts to wheelbase to solve the problem that the above device can adjust the front and rear spacing of the limit block to position the wheels of vehicles of different lengths, but according to different vehicle models, the width spacing between their wheels is also different, and only adjusting the length spacing cannot adapt to vehicles with different width wheelbases for maintenance.

[0006] To achieve the above object, the present invention provides the following technical solution: a lift capable of automatically adapting to the wheelbase, including a base, an inspection plate is arranged directly above the base, a partition is fixedly installed in the middle of the inspection plate, mounting plates are symmetrically and fixedly installed in the middle of the inspection plate and the partition, a support plate is slidably connected to the tops of the two groups of mounting plates, sliding grooves I are symmetrically formed at both ends of the mounting plates, and sliding blocks I are symmetrically and fixedly installed at both ends of the support plate. The sliding blocks I are adapted to the sliding grooves I, and a connecting spring I is fixedly installed inside the sliding grooves I. The inspection plate is symmetrically rotatably connected to a first connecting plate, a second connecting plate and a third connecting plate at the top. Limit blocks for sliding limit of the support plate are fixedly installed at the horizontal plates at the tops of the first connecting plate, the second connecting plate and the third connecting plate. Installation boxes are symmetrically and fixedly installed at the top of the base. A sliding plate is slidably connected inside the installation box. A connecting spring II is fixedly installed inside the installation box, and the connecting spring II is fixedly installed with the sliding plate. L-shaped limit grooves are symmetrically formed at the top of the sliding plate. A sliding rod is slidably connected inside the installation box, and a limit rod is fixedly installed at one end of the sliding rod. The limit rod is adapted to the horizontal groove of the L-shaped limit groove. Fixed blocks are fixedly installed at the bottom ends of the inclined plates of the first connecting plate, the second connecting plate and the third connecting plate, and the sliding rod penetrates through the installation box and is slidably connected to the bottom end of the fixed block.

[0007] As a further solution of the present invention: a connecting spring III is fixedly installed at the top of the installation box, and the connecting spring III is sleeved on the outer periphery of the sliding rod, and the top end of the connecting spring III is fixedly installed with the bottom end of the fixed block.

[0008] As a further solution of the present invention: the opening at the top of the L-shaped limit groove is a slope, and the slope is located directly below the limit rod.

[0009] As a further solution of the present invention: rotating blocks for the first connecting plate, the second connecting plate and the third connecting plate to rotate are symmetrically and fixedly installed at the top of the inspection plate.

[0010] As a further solution of the present invention: a sliding groove II is formed at the top of the support plate, and limit seats are symmetrically and slidably connected to the top of the support plate. A sliding block II is fixedly installed at the bottom end of the limit seat, and the sliding block II is adapted to the sliding groove II.

[0011] As a further solution of the present invention: a rotating motor is fixedly installed at one end of the support plate, a bidirectional screw is rotatably connected inside the sliding groove II, the bidirectional screw is threadedly connected to the sliding block II, and the output end shaft of the rotating motor penetrates through the sliding groove II and is fixedly installed with the bidirectional screw.

[0012] As a further solution of the present invention: a support rod is fixedly installed at one end of the base, and the support rods are symmetrically and fixedly installed at both ends of the base. Sliding blocks III are symmetrically and fixedly installed at both ends of the inspection plate, and the sliding blocks III are slidably connected to the support rods.

[0013] As a further solution of the present invention: a hydraulic cylinder is fixedly installed inside the support rod, and the output end of the hydraulic cylinder is fixedly installed with the bottom end of the third slider.

[0014] As a further solution of the present invention: a reinforcing rib plate is fixedly installed in the middle of the inspection plate and the partition plate, and the reinforcing rib plate is slidably connected with the support plate.

[0015] As a further solution of the present invention: guiding inclined plates are fixedly installed at one end of the limiting seat and the base, and anti-slip plates are arranged at one end of the guiding inclined plates.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] Through the linkage of multiple connecting plates, sliding plates and connecting springs, the present invention realizes the automatic adaptation to vehicles with different wheelbases, eliminates the need for manual adjustment, improves the operation efficiency, ensures the safety of vehicle maintenance, and the coordinated work of multiple connecting plates enhances the flexibility of wheelbase adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is the overall structural schematic diagram of the present invention;

[0019] Figure 2 is the present invention Figure 1 is the partial enlarged structural schematic diagram at A in the present invention;

[0020] Figure 3 is the sectional structural schematic diagram of the base and the inspection plate in the present invention;

[0021] Figure 4 is the present invention Figure 3 is the partial enlarged structural schematic diagram at B in the present invention;

[0022] Figure 5 is the sectional structural schematic diagram of the installation box in the present invention;

[0023] Figure 6 is the partial sectional structural schematic diagram of the support plate in the present invention.

[0024] In the figure: 1, base; 2, maintenance panel; 3, partition board; 4, support plate; 5, reinforcing rib plate; 6, mounting plate; 7, first chute; 8, first slider; 9, first connecting plate; 10, second connecting plate; 11, third connecting plate; 12, first connecting spring; 13, mounting box; 14, sliding plate; 15, L-shaped limiting groove; 16, sliding rod; 17, fixing block; 18, third connecting spring; 19, limiting rod; 20, second connecting spring; 21, limiting block; 22, rotating block; 23, second chute; 24, bidirectional screw; 25, limiting seat; 26, second slider; 27, rotating motor; 28, support rod; 29, hydraulic cylinder; 30, third slider; 31, guiding inclined plate; 32, anti-slip plate. Detailed implementation manners

[0025] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0026] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present invention 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 cannot be understood as a limitation of the present invention. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", "connection", "setting" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations. The embodiments of the present invention will be described below according to the overall structure of the present invention.

[0027] Refer to Figures 1 to 6, in the embodiment of the present invention, a lift with automatically adaptable wheelbase includes a base 1. Above the base 1, there is a maintenance board 2. In the middle of the maintenance board 2, a partition board 3 is fixedly installed. On the symmetry of the middle of the maintenance board 2 and the partition board 3, mounting plates 6 are fixedly installed. At the top ends of the two groups of mounting plates 6, a support plate 4 is slidably connected. At both ends of the mounting plate 6, sliding grooves one 7 are symmetrically opened, and at both ends of the support plate 4, sliding blocks one 8 are symmetrically fixedly installed. The sliding block one 8 is adapted to the sliding groove one 7. Inside the sliding groove one 7, a connecting spring one 12 is fixedly installed. At the top of the maintenance board 2, a first connecting plate 9, a second connecting plate 10, and a third connecting plate 11 are symmetrically rotatably connected. At the horizontal plate at the top ends of the first connecting plate 9, the second connecting plate 10, and the third connecting plate 11, limit blocks 21 for sliding limit of the support plate 4 are fixedly installed. At the top of the base 1, mounting boxes 13 are symmetrically fixedly installed. Inside the mounting box 13, a sliding plate 14 is slidably connected. Inside the mounting box 13, a connecting spring two 20 is fixedly installed, and the connecting spring two 20 is fixedly installed with the sliding plate 14. At the top of the sliding plate 14, L-shaped limit grooves 15 are symmetrically opened. Inside the mounting box 13, a sliding rod 16 is slidably connected, and at one end of the sliding rod 16, a limit rod 19 is fixedly installed. The limit rod 19 is adapted to the horizontal groove of the L-shaped limit groove 15. At the bottom ends of the inclined plates of the first connecting plate 9, the second connecting plate 10, and the third connecting plate 11, fixing blocks 17 are fixedly installed, and the sliding rod 16 penetrates through the mounting box 13 and is slidably connected with the bottom end of the fixing block 17.

[0028] Adopting the above scheme: The maintenance board 2 is made by cutting Q235B steel plate, and a 304 stainless steel partition board 3 is welded in the middle. The mounting plate 6 is forged and processed with 45# steel and symmetrically welded to the middle of the maintenance board 2 and the partition board 3. The support plate 4 is made of aluminum alloy 6061-T6, and through the T-shaped sliding blocks one 8 (brass H62) at both ends, it slides and cooperates with the sliding grooves one 7 of the mounting plate 6. The connecting spring one 12 is selected from 65Mn spring steel. The first, second, and third connecting plates are die-cast with Q345B steel. The limit block 21 is made of polyurethane PU90A. The mounting box 13 is made of cast aluminum ADC12. The connecting spring two 20 is piano wire. The limit rod 19 is selected from GCr15 bearing steel.

[0029] Refer to Figures 1 to 6 , at the top of the mounting box 13, a connecting spring three 18 is fixedly installed, and the connecting spring three 18 is sleeved on the outer periphery of the sliding rod 16. The top end of the connecting spring three 18 is fixedly installed with the bottom end of the fixing block 17. The opening at the top of the L-shaped limit groove 15 is an inclined surface, and the inclined surface is located directly below the limit rod 19;

[0030] Adopt the above solution: The top end of the installation box 13 is fixedly connected to the third spring 18 by an internal hexagonal socket head screw. The third connecting spring 18 is made of 50CrVA alloy spring steel. The top end of the third connecting spring 18 is fixed to the bottom end of the fixed block 17. The sliding rod 16 is made of 40Cr alloy steel and is in clearance fit with the top end of the installation box 13 through a sliding bearing. The top opening of the L-shaped limiting groove 15 is machined with an inclined surface to ensure that the limiting rod 19 (made of GCr15 material) smoothly enters the horizontal groove of the L-shaped limiting groove 15 when descending.

[0031] Refer to Figures 1 to 6 , on the top end of the maintenance plate 2, rotating blocks 22 for the first connecting plate 9, the second connecting plate 10 and the third connecting plate 11 to rotate are symmetrically and fixedly installed;

[0032] Adopt the above solution: The rotating block 22 is made of QT450-10 ductile iron and is fixed to the maintenance plate 2 (Q235B) by bolts.

[0033] Refer to Figures 1 to 6 , a second chute 23 is opened at the top end of the support plate 4, and limiting seats 25 are symmetrically and slidably connected to the top end of the support plate 4. A second slider 26 is fixedly installed at the bottom end of the limiting seat 25, and the second slider 26 is adapted to the second chute 23. One end of the support plate 4 is fixedly installed with a rotating motor 27, and a bidirectional screw 24 is rotatably connected inside the second chute 23. The bidirectional screw 24 is threadedly connected to the second slider 26. The output shaft of the rotating motor 27 penetrates through the second chute 23 and is fixedly installed with the bidirectional screw 24;

[0034] Adopt the above solution: The support plate 4 is made of 6061-T6 aluminum alloy. The second chute 23 is of a T-shaped groove structure. The limiting seat 25 is made of QT500-7 ductile iron. The bottom second slider 26 is made of brass H62 material and is in clearance fit with the second chute 23. The bidirectional screw 24 is made of 40Cr alloy steel. The rotating motor 27 is a 110ST-M04030 stepping motor with a rated torque of 4.0 N·m and an IP65 protection level, and is connected to the screw through an elastic coupling.

[0035] Refer to Figures 1 to 6 , one end of the base 1 is fixedly installed with a support rod 28, and the support rods 28 are symmetrically and fixedly installed at both ends of the base 1. Sliders 30 are symmetrically and fixedly installed at both ends of the maintenance plate 2, and the sliders 30 are slidably connected to the support rods 28. A hydraulic cylinder 29 is fixedly installed inside the support rod 28, and the output end of the hydraulic cylinder 29 is fixedly installed with the bottom end of the slider 30;

[0036] Adopt the above solution: Two support rods 28 (20# seamless steel pipes) are fixed at both ends of the base 1 through anchor bolts. The two sliders 30 at both ends of the inspection plate 2 are made of QT400-15 ductile iron, with SF-1 self-lubricating bearings embedded, and are in clearance fit with the support rod 28. The hydraulic cylinder 29 is selected in the standard model of MOB-J63×200×100-S-FA, the cylinder barrel material is 27SiMn, and ISOVG46 anti-wear hydraulic oil is used, and it is connected to the slider 30 through M16×2 threads.

[0037] Refer to Figures 1 to 6 , a reinforcing rib plate 5 is fixedly installed in the middle of the inspection plate 2 and the partition plate 3, and the reinforcing rib plate 5 is slidably connected to the support plate 4. Guide inclined plates 31 are fixedly installed at one end of the limit seat 25 and the base 1, and anti-slip plates 32 are arranged at one end of each of the guide inclined plates 31;

[0038] Adopt the above solution: The reinforcing rib plate 5 is welded between the inspection plate 2 and the partition plate 3, formed by bending a Q235B hot-rolled steel plate, and is slidably matched with the guide groove opened on the bottom surface of the support plate 4. Guide inclined plates 31 are installed at one end of the limit seat 25 and the base 1, cut from Q345B steel plates, and the anti-slip plate 32 is welded at the end of the inclined plate, with the material being ST12 cold-rolled steel plate and surface knurling treatment, and the pattern depth being 0.3mm.

[0039] The working principle of the present invention is as follows: When the vehicle is being repaired, the support plate 4 at the top of the repair plate 2 is at the limiting position of the first connecting plate 9, which is at the outermost edge of the top of the repair plate 2. When the wheel of the vehicle drives towards the top of the base 1 through the guiding inclined plate 31 and touches the first connecting plate 9, the vehicle can continue to drive onto the top of the support plate 4 for repair normally. When it touches the inclined plate of the second connecting plate 10, the second connecting plate 10 is squeezed, and its inclined plate will rotate around the rotating block 22, thereby driving the horizontal plate of the second connecting plate 10 to rotate. When the horizontal plate of the second connecting plate 10 rotates to 90 degrees horizontally, the rotation stops. When the inclined plate of the second connecting plate 10 rotates, it will drive the fixed block 17 to squeeze the sliding rod 16, thereby driving the sliding rod 16 to slide inside the installation box 13. When the sliding rod 16 slides, it will drive the limiting rod 19 to squeeze the inclined surface at the top of the sliding plate 14, driving the sliding plate 14 to slide inside the installation box 13 and storing elastic potential energy for the second connecting spring 20. When the limiting rod 19 slides to the horizontal groove of the L-shaped limiting groove 15, the second connecting spring 20 releases the stored elastic potential energy to push the sliding plate 14 to reset, and limits the limiting rod 19 in the horizontal groove of the L-shaped limiting groove 15 to complete the limiting. At this time, the limiting rod 19 at the bottom end of the first connecting plate 9 will slide out of the horizontal groove of the L-shaped limiting groove 15, and the first connecting plate 9 will be rotated and reset by the third connecting spring 18. At this time, the limiting block 21 at the top horizontal plate of the first connecting plate 9 releases the limit on the support plate 4. At this time, the support plate 4 will release the stored elastic potential energy of the first connecting spring 12 inside the first chute 7 to push the support plate 4 to slide on the top of the installation plate 6. When the support plate 4 slides, the limiting block 21 at the top of the second connecting plate 10 performs sliding limit on the sliding support plate 4. Then the vehicle can drive onto the top of the support plate 4 for repair. The working principle is the same when the vehicle squeezes the third connecting plate 11. Then, according to the distance between the front and rear wheels of the vehicle, the rotating motor 27 is started, and its output shaft drives the bidirectional screw rod 24 to rotate in the second chute 23. Since the slider two 26 at the bottom end of the limiting seat 25 is threadedly connected to the bidirectional screw rod 24, as the bidirectional screw rod 24 rotates, the slider two 26 drives the limiting seat 25 to slide in the second chute 23. The bidirectional thread design of the bidirectional screw rod 24 enables the two limiting seats 25 to move synchronously towards the middle or towards both sides until they fit the wheels, completing the adjustment of different wheel distances, thereby realizing the stable limit of the vehicle.

[0040] The above-mentioned is only the preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent replacements or changes, and should be covered by the protection scope of the present invention.

Claims

1. A lift with an automatically adaptable wheelbase, comprising a base (1), and a maintenance panel (2) is arranged directly above the base (1), characterized in that, A partition plate (3) is fixedly installed in the middle of the maintenance plate (2). Installation plates (6) are symmetrically and fixedly installed in the middle of the maintenance plate (2) and the partition plate (3). A support plate (4) is slidably connected to the tops of the two groups of installation plates (6). Slide grooves one (7) are symmetrically formed at both ends of the installation plate (6), and slide blocks one (8) are symmetrically and fixedly installed at both ends of the support plate (4). The slide block one (8) is adapted to the slide groove one (7). A connecting spring one (12) is fixedly installed inside the slide groove one (7). First connecting plates (9), second connecting plates (10), and third connecting plates (11) are symmetrically rotatably connected to the top of the maintenance plate (2). Limit blocks (21) for slidably limiting the support plate (4) are fixedly installed at the horizontal plate parts at the tops of the first connecting plate (9), the second connecting plate (10), and the third connecting plate (11). Installation boxes (13) are symmetrically and fixedly installed at the top of the base (1). A slide plate (14) is slidably connected inside the installation box (13). A connecting spring two (20) is fixedly installed inside the installation box (13), and the connecting spring two (20) is fixedly installed with the slide plate (14). L-shaped limit grooves (15) are symmetrically formed at the top of the slide plate (14). A slide rod (16) is slidably connected inside the installation box (13), and a limit rod (19) is fixedly installed at one end of the slide rod (16). The limit rod (19) is adapted to the horizontal groove of the L-shaped limit groove (15). Fixed blocks (17) are fixedly installed at the bottom ends of the inclined plates of the first connecting plate (9), the second connecting plate (10), and the third connecting plate (11), and the slide rod (16) penetrates through the installation box (13) and is slidably connected to the bottom end of the fixed block (17).

2. The lift with automatically adaptable wheelbase according to claim 1, wherein A connecting spring three (18) is fixedly installed at the top of the installation box (13), and the connecting spring three (18) is sleeved on the outer periphery of the slide rod (16). The top end of the connecting spring three (18) is fixedly installed with the bottom end of the fixed block (17).

3. The lift with automatically adaptable wheelbase according to claim 2, characterized in that, The opening at the top of the L-shaped limit groove (15) is a slope, and the slope is located directly below the limit rod (19).

4. The lift with an automatically adaptable wheelbase according to claim 3, characterized in that, Rotating blocks (22) for the first connecting plate (9), the second connecting plate (10), and the third connecting plate (11) to rotate are symmetrically and fixedly installed at the top of the maintenance plate (2).

5. The lift with an automatically adaptable wheelbase according to claim 4, characterized in that, A slide groove two (23) is formed at the top of the support plate (4), and limit seats (25) are symmetrically and slidably connected to the top of the support plate (4). Slide blocks two (26) are fixedly installed at the bottom ends of the limit seats (25), and the slide block two (26) is adapted to the slide groove two (23).

6. The lift with automatically adaptable wheelbase according to claim 5, characterized in that, A rotating motor (27) is fixedly installed at one end of the support plate (4), and a bidirectional screw rod (24) is rotatably connected inside the slide groove two (23). The bidirectional screw rod (24) is threadedly connected to the slide block two (26), and the output end shaft of the rotating motor (27) penetrates through the slide groove two (23) and is fixedly installed with the bidirectional screw rod (24).

7. The lift with an automatically adaptable wheelbase according to claim 6, characterized in that One end of the base (1) is fixedly installed with a support rod (28), and the support rods (28) are symmetrically and fixedly installed at both ends of the base (1). Both ends of the inspection plate (2) are symmetrically and fixedly installed with sliders three (30), and the sliders three (30) are slidably connected to the support rods (28).

8. An auto - adaptable wheelbase lift according to claim 7, characterized in that, A hydraulic cylinder (29) is fixedly installed inside the support rod (28), and the output end of the hydraulic cylinder (29) is fixedly installed with the bottom end of the slider three (30).

9. An auto - adaptable wheelbase lift according to claim 8, characterized in that, A reinforcing rib plate (5) is fixedly installed in the middle of the inspection plate (2) and the partition plate (3), and the reinforcing rib plate (5) is slidably connected to the support plate (4).

10. The lift with automatically adaptable wheelbase according to claim 9, characterized in that, Guide inclined plates (31) are fixedly installed at one end of the limit seat (25) and the base (1), and anti-slip plates (32) are arranged at one end of the guide inclined plates (31).

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