Tire dismounting and mounting auxiliary electric lift
By designing an electric lifting platform to assist in tire removal and installation, and employing a base frame, a double scissor lifting mechanism, and an electric drive system, the problems of high labor intensity, difficult positioning, and disordered tool placement during tire removal and installation have been solved. This has enabled precise positioning and safe lifting, improving work efficiency and safety.
Patent Information
- Application Number
- CN202521954173.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-11
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-09-11
AI Technical Summary
Traditional tire removal and installation processes suffer from high labor intensity, safety hazards, difficulty in positioning, equipment limitations, and disorderly tool placement, especially in outdoor use scenarios where there is a lack of specialized tire lifting and positioning devices.
A tire-mounting auxiliary electric lift was designed, comprising a base frame, a dual-axis synchronous double scissor lift mechanism, an electric drive system, a movable support platform, and an integrated tool management system. Through electric lifting and precise positioning mechanisms, the tire is lifted and positioned, and tools are managed.
It achieves precise tire positioning and safe lifting, reduces the risks of manual handling, improves work efficiency, adapts to various operating scenarios, ensures operational safety, and provides orderly management of tools.
Smart Images

Figure CN224677704U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive repair equipment technology, specifically an electric auxiliary lift for tire removal and installation operations, which is particularly suitable for automotive repair shops, tire replacement sites, and roadside assistance. Background Technology
[0002] In automotive repair work, the removal and installation of tires present the following technical challenges: 1. Traditional operation methods require manual handling of tires, which is labor-intensive and poses safety hazards; 2. Tire alignment is difficult, especially the alignment of heavy-duty tires, rims, and wheel bolt holes with the vehicle flange, which is time-consuming and labor-intensive. 3. Existing lifting equipment is mostly vehicle lifts, lacking dedicated tire lifting and positioning devices; 4. Traditional tire removal equipment requires an external power source, limiting its outdoor use. 5. Disorganized placement of disassembly tools affects work efficiency and operational safety.
[0003] There is an urgent need to design an electric lift to assist in tire removal and installation to solve the above problems. Utility Model Content
[0004] This utility model provides an auxiliary device specifically for tire lifting and positioning. Through electric lifting and precise positioning mechanisms, it solves the problems of difficult handling and inaccurate positioning during tire disassembly and installation.
[0005] The tire removal and installation auxiliary electric lift proposed in this utility model includes a base frame with casters, a dual-axis synchronous double scissor lift mechanism, a battery-powered electric drive system, a movable load-bearing platform, and an integrated tool management system. The base frame includes casters, base plate, scissor arm support frame, push rod and battery box; The double scissor lift mechanism includes a scissor arm, a secondary shaft, a sliding bearing, a main shaft, a pulley, and a main shaft; The electric drive system includes pulleys, an electric winch, and an electric winch traction support frame; The movable load-bearing platform includes a secondary load-bearing platform, a main load-bearing platform, polyurethane rollers, sliders, slider guide rails, and a foldable magnetic storage plate; The integrated tool management system includes tool storage compartments.
[0006] Preferably, the double scissor lift mechanism achieves synchronous lifting by inserting a main shaft and a secondary shaft. The scissor arm is 738mm long and 30mm wide, with semi-circular ends. The main shaft has a long main shaft (700mm long) inserted into the secondary shaft at both ends, and a sliding bearing is installed in the secondary shaft hole.
[0007] Preferably, the main load-bearing platform is provided with two polyurethane rollers (Shore hardness 60A) in the middle, with a radius of 15mm and a length of 240mm, and the spacing between the polyurethane rollers is adjustable from 50mm to 100mm.
[0008] Preferably, the foldable magnetic storage plate is bolted to the side of the secondary load-bearing platform, and the side of the secondary load-bearing platform, when unfolded, forms an inclination angle greater than 30° with the secondary load-bearing platform.
[0009] Preferably, the electric drive system has a maximum lifting speed of 20 mm / s and a noise level of ≤60 dB.
[0010] Preferably, the movable load-bearing platform is divided into a main load-bearing platform and a secondary load-bearing platform. The main load-bearing platform is a 900mm×500mm rectangular platform. A tire rolling auxiliary plate is installed on the side of the main load-bearing platform, and the tire rolling auxiliary plate forms a 156° angle with the main load-bearing platform. Two rows of symmetrically distributed sliders are installed on the lower surface of the main load-bearing platform, and the two rows of sliders are 700mm apart. The secondary load-bearing platform is a 900mm×500mm rectangular platform. Two rows of symmetrically distributed slider guide rails are installed on the upper surface of the secondary load-bearing platform, and the two rows of slider guide rails are 700mm apart. The slider guide rails cooperate with the sliders. In the movable load-bearing platform, the main load-bearing platform can move back and forth by 200mm.
[0011] Preferably, the integrated tool management system is equipped with tool storage compartments on the main load-bearing platform.
[0012] The beneficial effects of this utility model are: 1. Specifically designed for tire lifting operations, avoiding the safety risks associated with manual handling; 2. The unique roller positioning design enables precise alignment between the wheel hub and the automotive flange; 3. The mobile platform provides a function for fine-tuning the work position; 4. An integrated tool storage system improves work efficiency; 5. Multiple safety protections ensure safe operation; 6. Highly adaptable to outdoor environments, battery-powered operation eliminates power supply limitations. Attached Figure Description
[0013] Figure 1 : A three-dimensional view of the overall structure of the tire disassembly and assembly auxiliary electric lifting device proposed in this utility model; Figure 2 : Another perspective view of the overall structure of the tire disassembly and assembly auxiliary electric lifting device proposed in this utility model; Figure 3 Detailed drawing of the double scissor lift and double shaft synchronous linkage mechanism of the tire disassembly and assembly auxiliary electric lifting device proposed in this utility model; Figure 4Detailed drawings of the platform moving mechanism and special tool storage compartment of the tire disassembly and assembly auxiliary electric lifting device proposed in this utility model; Figure 5 The schematic diagram of the electric drive system of the tire disassembly and assembly auxiliary electric lifting device proposed in this utility model.
[0014] In the diagram: 1. Caster wheel, 2. Base plate, 3. Scissor arm support frame, 4. Hand push rod, 5. Scissor arm, 6. Safety pin, 7. Sub-shaft, 8. Sliding bearing, 9. Main shaft long shaft, 10. Pulley, 11. Secondary load-bearing platform, 12. Main load-bearing platform, 13. Polyurethane roller, 14. Slider, 15. Slider guide rail, 16. Electric winch, 17. Foldable magnetic storage plate, 18. Main shaft, 19. Electric winch traction support frame, 20. Battery box. Detailed Implementation
[0015] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.
[0016] Reference Figures 1-5 The tire removal and installation auxiliary electric lift includes a base frame with casters 1, a dual-axis synchronous double scissor lift mechanism, a battery-powered electric drive system, a mobile load-bearing platform, and an integrated tool management system. The base frame includes casters 1, base plate 2, scissor arm support frame 3, push rod 4 and battery box 20. The base plate 2 is made of 950mm×550mm steel plate. The base plate 2 has battery box 20 and 4 scissor arm support frames 3. The bottom is equipped with 4 casters 1 with brakes and foldable push rod 4. The total weight of the base 2 frame is ≤35kg, which meets the needs of single-person movement. Double scissor lift mechanism: including scissor arm 5, auxiliary shaft 7, sliding bearing 8, main shaft long shaft 9, pulley 10 and main shaft 18; Electric drive system: including pulley 10, electric winch 16 and electric winch traction support frame 19; Movable load-bearing platform: including secondary load-bearing platform 11, main load-bearing platform 12, polyurethane roller 13, slider 14, slider guide rail 15 and foldable magnetic storage plate 17; Safety control system: including safety pin 6, which constitutes a mechanical anti-fall locking mechanism.
[0017] In this utility model, the double scissor lift mechanism achieves synchronous lifting by connecting the main shaft 18 and the auxiliary shaft 7. The scissor arm is 738mm long and 30mm wide, with semi-circular ends. The main shaft 18 is provided with a main shaft long shaft 9 (700mm long) inserted into the auxiliary shaft 7 at both ends, and a sliding bearing 8 is installed in the hole of the auxiliary shaft 7.
[0018] In this utility model, the main load-bearing platform 12 is provided with two polyurethane rollers 13 (Shore hardness 60A) in the middle. The polyurethane rollers 13 have a radius of 15mm and a length of 240mm. The spacing between the polyurethane rollers 13 is adjustable from 50mm to 100mm.
[0019] In this utility model, the foldable magnetic storage plate 17 is connected to the side of the sub-supporting platform 11 by bolts. After the foldable magnetic storage plate 17 is unfolded, it forms an inclination angle greater than 30° with the sub-supporting platform 11, and can be used to magnetically attract various metal tools.
[0020] In this invention, the electric drive system has a maximum lifting speed of 20mm / s and a noise level of ≤60dB.
[0021] In this utility model, the movable bearing platform is divided into a main bearing platform 12 and a secondary bearing platform 11. The main bearing platform is a rectangular platform of 12900mm×500mm. A tire rolling auxiliary plate is installed on the side of the main bearing platform 12, forming a 156° angle with the main bearing platform 12. Two rows of symmetrically distributed sliders 14 are installed on the lower surface of the main bearing platform 12, with a distance of 700mm between the two rows of sliders 14. The secondary bearing platform 11 is a rectangular platform of 900mm×500mm. Two rows of symmetrically distributed slider guide rails 15 are installed on the upper surface of the secondary bearing platform 11, with a distance of 700mm between the two rows of slider guide rails 15. The slider guide rails 15 cooperate with the sliders 14. In the movable bearing platform, the main bearing platform 12 can move back and forth by 200mm.
[0022] In this utility model, an integrated tool management system is provided, and a tool storage compartment is installed on the main load-bearing platform 12, including storage for small pneumatic wrenches, torque wrenches, adjustable wrenches, ordinary wrenches, sockets of various specifications, bolts, nuts, washers, and screws.
[0023] When using the device, first move it to the work position, press the brake on the universal wheel 1, then place the tire to be installed on the main load-bearing platform 12 and use the rollers for initial fixation. Start the electric winch 16 to raise the tire to a suitable height, and move the main load-bearing platform 12 back and forth using the slider 14 to bring the entire tire close to the vehicle mounting flange. Rotate the tire and use the rollers to help achieve precise alignment of the wheel hub and flange bolt holes. Take the disassembly and assembly tools from the tool storage area to complete the operation. After the operation is completed, lower the platform and release the brake.
[0024] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.
Claims
1. A tire removal and installation auxiliary electric lift, characterized in that: It includes a base frame with casters, a dual-axis synchronous double scissor lift mechanism, a battery-powered electric drive system, a mobile load-bearing platform, and an integrated tool management system; The base frame includes casters (1), a base plate (2), a scissor arm support frame (3), a push rod (4), and a battery box (20). The casters (1) are installed on the bottom of the base plate (2), the scissor arm support frame (3) and the battery box (20) are set on the base plate (2), and the push rod (4) is set on the base plate (2). The double scissor lift mechanism includes a scissor arm (5), a secondary shaft (7), a sliding bearing (8), a main shaft long shaft (9), a pulley (10), and a main shaft (18). The double scissor lift mechanism achieves synchronous lifting by inserting the main shaft (18) and the secondary shaft (7). The two ends of the scissor arm (5) are semi-circular. The two ends of the main shaft (18) are provided with a main shaft long shaft (9) that is inserted into the secondary shaft (7). The sliding bearing (8) is installed in the hole of the secondary shaft (7). The electric drive system includes a pulley (10), an electric winch (16), and an electric winch traction support frame (19). The electric winch (16) is powered by a battery box (20) and lifts and lowers the double scissor lift mechanism by pulling the pulley (10). The movable load-bearing platform includes a secondary load-bearing platform (11), a main load-bearing platform (12), a polyurethane roller (13), a slider (14), a slider guide rail (15), and a foldable magnetic storage plate (17). The lower surface of the main load-bearing platform (12) is equipped with a slider (14), and the upper surface of the secondary load-bearing platform (11) is equipped with a slider guide rail (15). The slider (14) cooperates with the slider guide rail (15) to enable the main load-bearing platform (12) to move back and forth relative to the secondary load-bearing platform (11). The main load-bearing platform (12) is provided with a polyurethane roller (13) in the middle. The integrated tool management system includes tool storage compartments located on the main load-bearing platform (12).
2. The tire removal and installation auxiliary electric lifting platform according to claim 1, characterized in that: The double scissor lift mechanism achieves synchronous lifting by connecting the main shaft (18) and the secondary shaft (7). The two ends of the scissor arm (5) are semi-circular. The main shaft (18) is provided with a main shaft long shaft (9) inserted into the secondary shaft (7) at both ends. The secondary shaft (7) is equipped with a sliding bearing (8).
3. The tire removal and installation auxiliary electric lifting platform according to claim 1, characterized in that: The main load-bearing platform (12) is provided with two polyurethane rollers (13) in the middle.
4. The tire removal and installation auxiliary electric lifting platform according to claim 1, characterized in that: The foldable magnetic storage plate (17) is bolted to the side of the sub-supporting platform (11).
5. The tire removal and installation auxiliary electric lifting platform according to claim 1, characterized in that: The electric drive system has a maximum lifting speed of 20 mm / s.
6. The tire removal and installation auxiliary electric lifting platform according to claim 1, characterized in that: The movable load-bearing platform is divided into a main load-bearing platform (12) and a secondary load-bearing platform (11). The main load-bearing platform (12) is equipped with a tire rolling auxiliary plate on its side. The lower surface of the main load-bearing platform (12) is equipped with two rows of symmetrically distributed sliders (14). The upper surface of the secondary load-bearing platform (11) is equipped with two rows of symmetrically distributed slider guide rails (15). The two rows of slider guide rails (15) and the two rows of sliders (14) cooperate with each other.
7. The tire removal and installation auxiliary electric lifting platform according to claim 1, characterized in that: The integrated tool management system includes tool storage compartments installed on the main load-bearing platform (12).