Crawling ladder for automobile maintenance

Abstract

The utility model relates to the technical field of crawling ladders, and discloses a crawling ladder for automobile maintenance, which comprises a bottom frame, one end of the bottom frame is provided with a rotatably connected support rod, the lower side of the support rod is provided with front casters, the upper side of the bottom frame is provided with a crawling ladder, and the lower end of the crawling ladder is rotatably connected with the inner wall of the bottom frame. An elevator is installed on the inner wall of the crawling ladder, the elevator is in sliding connection with the inner wall of the crawling ladder, a top frame is installed at the top end of the elevator, an operation table is installed on the upper side of the top frame, an adjusting rod is arranged on one side of the crawling ladder, and an adjusting piece is arranged at one end of the adjusting rod and fixedly installed on the upper side of the bottom frame. The angle between the crawling ladder and the bottom frame is adjusted, the position between the crawling ladder and the bottom frame is fixed through the adjusting rod when the angle of the crawling ladder is determined, the position of the lower end of the adjusting rod is fixed through the adjusting piece, and the two branches of the elevator are arranged on the inner wall of the crawling ladder to move and fixed through the fixing bolts.

Description

Technical Field

[0001] This utility model relates to the field of climbing ladder technology, specifically a climbing ladder for automobile repair. Background Technology

[0002] Automotive repair ladders are specialized devices designed to assist in vehicle repair and maintenance. They primarily raise the working height of repair personnel, enabling them to more easily inspect and repair the chassis, engine, or other parts of a car. Ladders are widely used in automotive repair shops, service stations, and DIY enthusiast garages. Automotive repair ladders are highly practical equipment that can significantly improve the efficiency and safety of automotive repairs. Choosing the right ladder and paying attention to its maintenance can make automotive repair work smoother and more efficient. Whether in a professional automotive repair shop or a private garage, a ladder is an important and worthwhile investment.

[0003] While conventional climbing ladders have lifting functions, they lack a fixed lifting height setting. Climbing ladders equipped with automatic devices such as pneumatic cylinders and hydraulic cylinders require regular maintenance, resulting in high repair costs. Furthermore, ordinary climbing ladders cannot adjust the angle, limiting their applicability. Therefore, a climbing ladder for automotive repair with a fixed lifting position and adjustable tilt angle is designed to solve the above problems. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a climbing ladder for automobile repair, which has the advantages of fixed lifting position and adjustable tilt angle. It solves the problems that conventional climbing ladders, although they have lifting functions, do not have a fixed lifting height setting, climbing ladders with automatic equipment such as pneumatic cylinders and hydraulic cylinders require regular maintenance, resulting in high maintenance costs, and ordinary climbing ladders cannot adjust the angle, thus limiting their applicability.

[0006] (II) Technical Solution

[0007] To achieve the aforementioned purpose of fixing the lifting position and adjusting the tilt angle, this utility model provides the following technical solution: A climbing ladder for automobile repair includes a base frame. One end of the base frame is equipped with a rotatably connected support rod, and the lower side of the support rod is provided with a front caster. A climbing ladder is provided on the upper side of the base frame, and the lower end of the climbing ladder is rotatably connected to the inner wall of the base frame. A lifting ladder is installed on the inner wall of the climbing ladder, and the lifting ladder is slidably connected to the inner wall of the climbing ladder. A top frame is installed at the top of the lifting ladder, and an operating platform is installed on the upper side of the top frame. An adjusting rod is provided on one side of the climbing ladder, and one end of the adjusting rod is provided with an adjusting component. The adjusting component is fixedly installed on the upper side of the base frame. The connection between the climbing ladder and the inner wall of the base frame is secured by bolts, allowing normal rotation to adjust the angle between the climbing ladder and the base frame. When the angle of the climbing ladder is determined, the adjusting rod fixes the position between the climbing ladder and the base frame. The lower end of the adjusting rod is fixed in position by the adjusting component. Two branches of the lifting ladder are mounted on the inner wall of the climbing ladder and are fixed in position by fixing bolts to prevent them from falling.

[0008] Preferably, a connector is fixedly installed on one side of the ladder, and one end of the adjusting rod is rotatably connected to the inner wall of the connector. A connecting rod is fixedly installed on the inner wall of the adjusting rod, and the connecting rod is installed on the upper side of the base frame. One end of the adjusting rod is connected to one side of the ladder via the connector, the connector is welded to one side of the ladder, and one end of the adjusting rod is located on the inner wall of the connector. The connection is installed with bolts to facilitate the rotation of the adjusting rod. The connecting rod connects the two adjusting rods together, and the connecting rod lies horizontally on the upper side of the base frame.

[0009] Preferably, both ends of the connecting rod are installed inside the adjusting component, and mounting plates are fixedly installed at both ends of the connecting rod, with the mounting plates disposed on one side of the adjusting component. The connecting rod is snapped into the inner wall of the adjusting component on the upper side of the base frame. The upper side of the adjusting component has at least three slots, and both ends of the connecting rod are snapped into the slots. The mounting plates are installed at both ends of the connecting rod by bolts and are fixed inside the adjusting component, providing stable support for the angle between the ladder and the base frame.

[0010] Preferably, the ladder has fixing holes on both sides, and fixing bolts are installed inside the fixing holes. The fixing bolts are located at the lower end of the ladder, and both ends of the fixing bolts penetrate the inner wall of the ladder. The lower end of the ladder is fixed through the fixing bolts, allowing the ladder to be fixed in a designated position. The fixing bolts pass horizontally through the fixing holes, and the fixing bolts sequentially pass through the fixing holes on the inner wall of the ladder. The lower end of the ladder is located above the fixing bolts, and removing the fixing bolts facilitates the movement of the ladder.

[0011] Preferably, a fixing rod is provided between the lifting ladder and the top frame, and the two ends of the fixing rod are fixedly connected to one side of the lifting ladder and one side of the top frame, respectively. An auxiliary rod is installed on one side of the lifting ladder. The top frame and the lifting ladder are installed with bolts and nuts. Bolts are prone to loosening after long-term use. The fixing rod can increase the stability between the top frame and the lifting ladder, preventing accidents.

[0012] Preferably, a rear caster is installed at one end of the base frame, and the rear caster is located on the lower side of the base frame. A foot pedal is installed at one end of the rear caster, and a friction plate is installed on the lower side of the foot pedal. The foot pedal is rotatably connected to the inner wall of the rear caster, and the friction plate is fixedly connected to the foot pedal. The casters installed on the front and rear sides of the base frame are used for different functions. The front caster can adjust the contact area of ​​the base frame through the support rod to increase the overall stability. The rear caster works in conjunction with the front caster to facilitate the movement of the entire climbing ladder. The foot pedal is installed at one end of the rear caster. Stepping on the foot pedal causes it to drive the friction plate to fix the rear caster, preventing it from moving and thus maintaining the overall stability and safety of the climbing ladder.

[0013] (III) Beneficial Effects

[0014] Compared with the prior art, this utility model provides a climbing ladder for automobile repair, which has the following beneficial effects: This climbing ladder for automobile repair, by adjusting the angle between the climbing ladder and the base frame, the adjusting rod fixes the position between the climbing ladder and the base frame when the angle of the climbing ladder is determined. The lower end of the adjusting rod is fixed in position by the adjusting component. Then, by moving the two branches of the lifting ladder on the inner wall of the climbing ladder, the fixing bolt is fixed in position so that it will not fall, thereby achieving the effect of fixing the lifting position and adjusting the tilt angle. Attached Figure Description

[0015] Figure 1 This is a structural diagram of the present invention;

[0016] Figure 2 This is a side view of the present invention.

[0017] Figure 3 This is a bottom view of the structure of this utility model;

[0018] Figure 4 This is an enlarged view of section A of this utility model.

[0019] In the diagram: 1. Base frame; 2. Adjustable component; 3. Support rod; 4. Front caster; 5. Ladder; 7. Lifting ladder; 8. Fixing hole; 9. Fixing bolt; 10. Auxiliary rod; 11. Operating platform; 12. Top frame; 13. Fixing rod; 14. Connecting component; 15. Adjustable rod; 16. Connecting rod; 17. Mounting plate; 18. Rear caster; 19. Foot pedal; 20. Friction plate. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example: Please refer to Figure 1-4 A climbing ladder for automobile repair includes a base frame 1. A support rod 3 is rotatably connected to one end of the base frame 1, and a front caster 4 is provided on the lower side of the support rod 3. A climbing ladder 5 is provided on the upper side of the base frame 1, and the lower end of the climbing ladder 5 is rotatably connected to the inner wall of the base frame 1. A lifting ladder 7 is installed on the inner wall of the climbing ladder 5, and the lifting ladder 7 is slidably connected to the inner wall of the climbing ladder 5. A top frame 12 is installed at the top of the lifting ladder 7, and an operating platform 11 is installed on the upper side of the top frame 12. An adjusting rod 15 is provided on one side of the climbing ladder 5, and an adjusting component 2 is provided at one end of the adjusting rod 15. The adjusting component 2 is fixedly installed on the upper side of the base frame 1.

[0022] The connection between the ladder 5 and the inner wall of the base frame 1 is installed with bolts, which can rotate normally to adjust the angle between the ladder 5 and the base frame 1. When the angle of the ladder 5 is determined, the adjusting rod 15 fixes the position between the ladder 5 and the base frame 1. The lower end of the adjusting rod 15 is fixed in position by the adjusting part 2. The two branches of the lifting ladder 7 are set on the inner wall of the ladder 5 and move. Their positions are fixed by the fixing bolts 9 so that they will not fall.

[0023] A connector 14 is fixedly installed on one side of the ladder 5, and one end of the adjusting rod 15 is rotatably connected to the inner wall of the connector 14. A connecting rod 16 is fixedly installed on the inner wall of the adjusting rod 15, and the connecting rod 16 is installed on the upper side of the base frame 1.

[0024] One end of the adjusting rod 15 is connected to one side of the ladder 5 via the connector 14. The connector 14 is welded to one side of the ladder 5. One end of the adjusting rod 15 is set on the inner wall of the connector 14. The connection is installed by bolts to facilitate the rotation of the adjusting rod 15. The connecting rod 16 connects the two adjusting rods 15 together. The connecting rod 16 is horizontal on the upper side of the base frame 1.

[0025] Both ends of the connecting rod 16 are installed inside the adjusting member 2, and both ends of the connecting rod 16 are fixedly installed with mounting plates 17, which are located on one side of the adjusting member 2.

[0026] The connecting rod 16 is snapped into the inner wall of the adjusting member 2 on the upper side of the base frame 1. The upper side of the adjusting member 2 has at least three slots. The two ends of the connecting rod 16 are snapped into the inside of the slots. The mounting plate 17 is installed on the two ends of the connecting rod 16 by bolts. The mounting plate 17 is fixed inside the adjusting member 2 and stably supports the angle between the ladder 5 and the base frame 1.

[0027] Fixing holes 8 are provided on both sides of the ladder 5, and fixing bolts 9 are installed inside the fixing holes 8. The fixing bolts 9 are located at the lower end of the ladder 7, and both ends of the fixing bolts 9 penetrate the inner wall of the ladder 5.

[0028] The lower end of the elevator 7 is fixed by the fixing bolt 9, so that the elevator 7 can be fixed at the specified position of the ladder 5. The fixing bolt 9 passes through the inside of the fixing hole 8. The fixing bolt 9 passes through the fixing hole 8 on the inner wall of the ladder 5 in sequence. The lower end of the elevator 7 is set on the upper side of the fixing bolt 9. Removing the fixing bolt 9 makes it easy to move the elevator 7.

[0029] A fixing rod 13 is provided between the elevator 7 and the top frame 12, and the two ends of the fixing rod 13 are fixedly connected to one side of the elevator 7 and one side of the top frame 12, respectively. An auxiliary rod 10 is installed on one side of the elevator 7.

[0030] The top frame 12 and the lifting platform 7 are installed with bolts and nuts. Bolts are prone to loosening after long-term use. The fixing rod 13 can increase the stability between the top frame 12 and the lifting platform 7, so that it will not cause accidents.

[0031] A rear caster 18 is installed at one end of the base frame 1, and the rear caster 18 is located on the lower side of the base frame 1. A foot pedal 19 is installed at one end of the rear caster 18, and a friction plate 20 is installed on the lower side of the foot pedal 19. The foot pedal 19 is rotatably connected to the inner wall of the rear caster 18, and the friction plate 20 is fixedly connected to the foot pedal 19.

[0032] The casters installed on the front and rear sides of the base frame 1 are used for different functions. The front caster 4 can adjust the contact area of ​​the base frame 1 through the support rod 3 to increase the overall stability. The rear caster 18 works in conjunction with the front caster 4 to facilitate the movement of the entire climbing ladder. The foot pedal 19 is installed at one end of the rear caster 18. Stepping on the foot pedal 19 will cause it to drive the friction plate 20 to fix the rear caster 18 so that it will not move, thereby maintaining the overall stability and safety of the climbing ladder.

[0033] Working principle: The connection between the ladder 5 and the inner wall of the base frame 1 is installed with bolts, allowing it to rotate normally and adjust the angle between the ladder 5 and the base frame 1. The connecting rod 16 is engaged with the inner wall of the adjusting component 2 on the upper side of the base frame 1. The upper side of the adjusting component 2 has at least three slots, and the two ends of the connecting rod 16 are engaged inside the slots. The mounting plate 17 is installed on both ends of the connecting rod 16 with bolts and is fixed inside the adjusting component 2, providing stable support for the angle between the ladder 5 and the base frame 1. The fixing bolt 9 passes through the inside of the fixing hole 8. The fixing bolts 9 pass through the fixing holes 8 on the inner wall of the ladder 5 in sequence. The lower end of the lifting ladder 7 is set on the upper side of the fixing bolts 9. Removing the fixing bolts 9 makes it easy to move the lifting ladder 7. The front caster 4 can adjust the contact area of ​​the base frame 1 through the support rod 3 to increase the overall stability. The rear caster 18 works in conjunction with the front caster 4 to facilitate the movement of the entire climbing ladder. The foot pedal 19 is installed at one end of the rear caster 18. Stepping on the foot pedal 19 causes it to drive the friction plate 20 to fix the rear caster 18 so that it will not move, thereby maintaining the overall stability and safety of the climbing ladder.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A climbing ladder for automobile repair, comprising a base frame (1), characterized in that: One end of the base frame (1) is equipped with a rotatably connected support rod (3), and the lower side of the support rod (3) is provided with a front caster (4). The upper side of the base frame (1) is provided with a ladder (5), and the lower end of the ladder (5) is rotatably connected to the inner wall of the base frame (1). The inner wall of the ladder (5) is equipped with a lift (7), and the lift (7) is slidably connected to the inner wall of the ladder (5). The top of the lift (7) is equipped with a top frame (12), and the upper side of the top frame (12) is equipped with an operating table (11). One side of the ladder (5) is provided with an adjusting rod (15), and one end of the adjusting rod (15) is provided with an adjusting component (2). The adjusting component (2) is fixedly installed on the upper side of the base frame (1).

2. The climbing ladder for automobile repair according to claim 1, characterized in that: A connector (14) is fixedly installed on one side of the ladder (5), and one end of the adjusting rod (15) is rotatably connected to the inner wall of the connector (14). A connecting rod (16) is fixedly installed on the inner wall of the adjusting rod (15), and the connecting rod (16) is installed on the upper side of the base frame (1).

3. The climbing ladder for automobile repair according to claim 2, characterized in that: The two ends of the connecting rod (16) are respectively installed inside the adjusting member (2), and the two ends of the connecting rod (16) are respectively fixedly installed with mounting plates (17), and the mounting plates (17) are arranged on one side of the adjusting member (2).

4. The climbing ladder for automobile repair according to claim 1, characterized in that: The ladder (5) has fixing holes (8) on both sides, and fixing bolts (9) are installed inside the fixing holes (8). The fixing bolts (9) are located at the lower end of the elevator (7), and the two ends of the fixing bolts (9) penetrate the inner wall of the ladder (5).

5. A climbing ladder for automobile repair according to claim 1, characterized in that: A fixing rod (13) is provided between the elevator (7) and the top frame (12), and the two ends of the fixing rod (13) are fixedly connected to one side of the elevator (7) and one side of the top frame (12), respectively. An auxiliary rod (10) is installed on one side of the elevator (7).

6. The climbing ladder for automobile repair according to claim 1, characterized in that: One end of the base frame (1) is equipped with a rear caster (18), and the rear caster (18) is located on the lower side of the base frame (1). One end of the rear caster (18) is equipped with a foot pedal (19), and a friction plate (20) is installed on the lower side of the foot pedal (19). The foot pedal (19) is rotatably connected to the inner wall of the rear caster (18), and the friction plate (20) is fixedly connected to the foot pedal (19).

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