Moving trolley for engine maintenance

By designing a mobile trolley for engine maintenance, using universal wheels and robotic arms to match hydraulic cylinders, the shaking problem caused by the simplicity of engine lifting equipment is solved, the smooth lifting and maintenance of the engine is achieved, and the working efficiency is improved.

CN223175711UActive Publication Date: 2025-08-01DALIAN HAOBO POWER TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422405869.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-06
Publication Date
2025-08-01
Estimated Expiration
2034-10-06

AI Technical Summary

Technical Problem

In the prior art, the engine lifting equipment is simple, which makes the engine shake after being lifted, making it difficult to move and repair.

Method used

A mobile car for engine maintenance is designed, equipped with universal wheels and mechanical arms, combining lifting hydraulic cylinders and positioning hydraulic cylinders to achieve smooth lifting and placement of the engine, and integrating tool boxes and batteries on the trolleys for convenient maintenance operations.

Benefits of technology

It realizes the smoothness and ease of handling of the engine during movement, reduces the risk of shaking, improves maintenance efficiency, and reduces the frequency of handling of tools and materials.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of engines, and discloses a moving trolley for engine maintenance, which comprises a trolley, a mechanical arm and an engine, the trolley comprises a moving frame, six universal wheels, a push rod and a storage rack, the universal wheels are distributed below the moving frame in a rectangular array, and the push rod is connected with the storage rack. The tops of the universal wheels are rotationally connected with the bottom of the moving frame, the push rod is fixedly connected to the rear side of the top of the moving frame, the two storage racks are distributed front and back and fixedly connected to the rear side of the top of the moving frame, a supporting column is fixedly connected between the middles of the left inner wall and the right inner wall of the moving frame, and the mechanical arm is fixedly connected to the top of the supporting column. The trolley is provided with a plurality of universal wheels, so that the trolley is stable and easy to control in the moving process, the mechanical arm is matched with the lifting hydraulic cylinder and the positioning hydraulic cylinder, the position and the height of the lifting hook can be accurately controlled, and stable lifting and placing of an engine are achieved.
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Description

Technical Field

[0001] The present utility model relates to the field of engines, and specifically relates to a mobile trolley for engine maintenance. Background Art

[0002] When the engine of an automobile undergoes major overhaul, since the engine is relatively heavy, it is necessary to lift the engine. Usually, a hoisting device is used to lift the engine. After the engine is lifted, due to the simplicity of the hoisting device, a steel chain is used for connection during hoisting, and the engine will shake during movement, making it difficult for both movement and maintenance. Content of the Utility Model

[0003] In order to overcome the above deficiencies, the present utility model provides a mobile trolley for engine maintenance.

[0004] The technical solution adopted by the present utility model is as follows:

[0005] A mobile trolley for engine maintenance includes a trolley, a robotic arm, and an engine. The trolley includes a moving frame, universal wheels, a push rod, and a storage rack. A number of universal wheels are arranged below the moving frame, and the top of the universal wheels is rotatably connected to the bottom of the moving frame. The push rod is fixedly connected to the rear side of the top of the moving frame. There are two storage racks distributed front and rear, and the storage racks are fixedly connected to the rear side of the top of the moving frame. Inside the rear storage rack, a number of toolboxes are placed, and inside the front storage rack, a number of storage batteries are placed. A support column is fixedly connected between the middle parts of the left and right inner walls of the moving frame, and the robotic arm is fixedly connected to the top of the support column;

[0006] The robotic arm includes a base, the base is fixedly connected to the middle part of the top of the support column, a steering motor is fixedly installed on the top of the base, a socket is sleeved on the outer wall of the output shaft of the steering motor, a lifting telescopic arm is fixedly connected to the top of the socket, a positioning telescopic arm is vertically fixedly connected to the top of the telescopic end of the lifting telescopic arm, a hook is fixedly connected to the bottom of the end of the telescopic end of the positioning telescopic arm, a connecting frame one is fixedly connected to the bottom of the outer wall of the fixed end of the lifting telescopic arm, a connecting frame two is fixedly connected to the end of the outer wall of the fixed end of the positioning telescopic arm close to the lifting telescopic arm, the connecting frame one is located below the connecting frame two, a lifting hydraulic cylinder is provided between the connecting frame one and the connecting frame two, the bottom of the lifting hydraulic cylinder is rotatably connected to the connecting frame one, and the top of the output shaft of the lifting hydraulic cylinder is rotatably connected to the connecting frame two. A connecting frame three is fixedly connected to the top of the outer wall of the fixed end of the positioning telescopic arm, a connecting frame four is fixedly connected to the top of the outer wall of the telescopic end of the positioning telescopic arm, a positioning hydraulic cylinder is provided between the connecting frame three and the connecting frame four, the fixed end of the positioning hydraulic cylinder is rotatably connected to the connecting frame three, and the end of the output shaft of the positioning hydraulic cylinder is rotatably connected to the connecting frame four.

[0007] Two symmetrically distributed lifting rings are fixedly connected to the top of the engine, a lifting chain is hung between the two lifting rings, and the middle of the lifting chain is hung on the hook.

[0008] Advantages of the utility model:

[0009] The trolley of the utility model is designed with multiple universal wheels, which are distributed in a rectangular array, ensuring smooth and easy control during movement, reducing the risk of shaking and damage of the engine during movement. The mechanical arm is combined with a lifting hydraulic cylinder and a positioning hydraulic cylinder, which can accurately control the position and height of the hook, realizing the smooth lifting and placement of the engine. The trolley is integrated with maintenance equipment and materials such as toolboxes and batteries, enabling maintenance personnel to directly perform operations on the trolley without frequently carrying tools and materials, improving work efficiency. Description of the drawings

[0010] Figure 1 is a schematic structural diagram of the utility model;

[0011] Figure 2 is a schematic structural diagram of the utility model.

[0012] In all the drawings, the reference numerals are specifically: 1, moving frame; 2, universal wheel; 3, push rod; 4, storage rack; 5, toolbox; 6, battery; 7, placement rack; 8, support column; 9, base; 10, steering motor; 11, socket; 12, lifting telescopic arm; 13, positioning telescopic arm; 14, hook; 15, connecting frame one; 16, connecting frame two; 17, lifting hydraulic cylinder; 18, connecting frame three; 19, connecting frame four; 20, positioning hydraulic cylinder; 21, engine; 22, lifting ring. Specific implementation manners

[0013] As Figure 1-2 shown: A mobile trolley for engine maintenance includes a trolley, a mechanical arm, and an engine 21. The trolley includes a moving frame 1, universal wheels 2, a push rod 3, and a storage rack 4. A plurality of universal wheels 2 are arranged below the moving frame 1, and the top of the universal wheel 2 is rotatably connected to the bottom of the moving frame 1. The push rod 3 is fixedly connected to the rear side of the top of the moving frame 1. There are two storage racks 4, which are distributed front and rear. The storage rack 4 is fixedly connected to the rear side of the top of the moving frame 1. A plurality of toolboxes 5 are placed inside the rear storage rack 4, and a plurality of batteries 6 are placed inside the front storage rack 4. A support column 8 is fixedly connected between the middle parts of the left and right inner walls of the moving frame 1. The mechanical arm is fixedly connected to the top of the support column 8;

[0014] The robotic arm includes a base 9, which is fixedly connected to the middle of the top of the support column 8. A steering motor 10 is fixedly installed on the top of the base 9. A socket 11 is sleeved on the outer wall of the output shaft of the steering motor 10. A lifting telescopic arm 12 is fixedly connected to the top of the socket 11. A positioning telescopic arm 13 is vertically and fixedly connected to the top of the telescopic end of the lifting telescopic arm 12. A hook 14 is fixedly connected to the bottom of the end of the telescopic end of the positioning telescopic arm 13. A connecting frame one 15 is fixedly connected to the bottom of the outer wall of the fixed end of the lifting telescopic arm 12. A connecting frame two 16 is fixedly connected to the bottom of the outer wall of the fixed end of the positioning telescopic arm 13 near one end of the lifting telescopic arm 12. The connecting frame one 15 is located below the connecting frame two 16. A lifting hydraulic cylinder 17 is provided between the connecting frame one 15 and the connecting frame two 16. The bottom of the lifting hydraulic cylinder 17 is rotatably connected to the connecting frame one 15, and the top of the output shaft of the lifting hydraulic cylinder 17 is rotatably connected to the connecting frame two 16. A connecting frame three 18 is fixedly connected to the top of the outer wall of the fixed end of the positioning telescopic arm 13. A connecting frame four 19 is fixedly connected to the top of the outer wall of the telescopic end of the positioning telescopic arm 13. A positioning hydraulic cylinder 20 is provided between the connecting frame three 18 and the connecting frame four 19. The fixed end of the positioning hydraulic cylinder 20 is rotatably connected to the connecting frame three 18, and the end of the output shaft of the positioning hydraulic cylinder 20 is rotatably connected to the connecting frame four 19.

[0015] Two lifting rings 22 are symmetrically distributed front and back and fixedly connected to the top of the engine 21. A lifting chain is hung between the two lifting rings 22, and the middle of the lifting chain is hung on the hook 14.

[0016] Place the engine to be repaired in a convenient position for operation and ensure its stability without shaking. Check and confirm that the two lifting rings 22 on the top of the engine are firmly installed, and the distance between the lifting rings is suitable for hanging the lifting chain. Hang the middle of the lifting chain on the hook 14 to ensure a firm connection.

[0017] Start the steering motor 10 to control the base 9 of the robotic arm to turn, so that the lifting telescopic arm 12 and the positioning telescopic arm 13 can accurately align with the lifting rings 22 on the engine. By extending and retracting the lifting hydraulic cylinder 17, adjust the height of the lifting telescopic arm 12. At the same time, with the coordinated work of the positioning hydraulic cylinder 20, finely adjust the angle and position of the positioning telescopic arm 13 to ensure that the hook 14 can accurately hang on the lifting chain.

[0018] After confirming that the hook 14 has firmly hung the lifting chain, further operate the lifting hydraulic cylinder 17 to extend the lifting telescopic arm 12 upward to lift the engine. During the lifting process, continuously observe the state of the engine to ensure a smooth lift without shaking.

[0019] The steering motor 10 continues to work, driving the robotic arm and the lifted engine to turn to the placement rack 7 on the trolley or the predetermined repair position, and gently place the engine on the placement rack 7 or the designated repair area to ensure that the engine is stable without shaking.

[0020] Move the trolley to the working area. By using the toolbox 5 and battery 6 on the trolley, maintenance personnel can directly perform engine repair operations on the trolley without the need to carry tools and materials additionally. This utility model only protects the mechanical part, and the functions realized through the software control part related thereto are not within the protection scope of this utility model.

Claims

1. A mobile trolley for engine maintenance, characterized in that, It includes a trolley, a robotic arm, and an engine (21). The trolley includes a moving frame (1), universal wheels (2), a push rod (3), and a storage rack (4). A number of universal wheels (2) are arranged below the moving frame (1), and the top of the universal wheels (2) is rotatably connected to the bottom of the moving frame (1). The push rod (3) is fixedly connected to the rear side of the top of the moving frame (1). There are two storage racks (4) distributed front and rear, and the storage racks (4) are fixedly connected to the rear side of the top of the moving frame (1). Inside the rear storage rack (4), a plurality of toolboxes (5) are placed, and inside the front storage rack (4), a plurality of batteries (6) are placed. A support column (8) is fixedly connected between the middle parts of the left and right inner walls of the moving frame (1), and the robotic arm is fixedly connected to the top of the support column (8). The robotic arm includes a base (9), and the base (9) is fixedly connected to the middle of the top of the support column (8). A steering motor (10) is fixedly installed on the top of the base (9). A socket (11) is sleeved on the outer wall of the output shaft of the steering motor (10). A lifting telescopic arm (12) is fixedly connected to the top of the socket (11). A positioning telescopic arm (13) is vertically fixedly connected to the top of the telescopic end of the lifting telescopic arm (12). A hook (14) is fixedly connected to the bottom of the end of the telescopic end of the positioning telescopic arm (13). A connecting frame one (15) is fixedly connected to the bottom of the outer wall of the fixed end of the lifting telescopic arm (12). A connecting frame two (16) is fixedly connected to the bottom of the outer wall of the fixed end of the positioning telescopic arm (13) near one end of the lifting telescopic arm (12). The connecting frame one (15) is located below the connecting frame two (16). There is a lifting hydraulic cylinder (17) between the connecting frame one (15) and the connecting frame two (16). The bottom of the lifting hydraulic cylinder (17) is rotatably connected to the connecting frame one (15), and the top of the output shaft of the lifting hydraulic cylinder (17) is rotatably connected to the connecting frame two (16). A connecting frame three (18) is fixedly connected to the top of the outer wall of the fixed end of the positioning telescopic arm (13). A connecting frame four (19) is fixedly connected to the top of the outer wall of the telescopic end of the positioning telescopic arm (13). There is a positioning hydraulic cylinder (20) between the connecting frame three (18) and the connecting frame four (19). The fixed end of the positioning hydraulic cylinder (20) is rotatably connected to the connecting frame three (18), and the end of the output shaft of the positioning hydraulic cylinder (20) is rotatably connected to the connecting frame four (19).

2. The mobile trolley for engine maintenance according to claim 1, characterized in that, Two lifting rings (22) symmetrically distributed front and rear are fixedly connected to the top of the engine (21). A lifting chain is hung between the two lifting rings (22), and the middle of the lifting chain is hung on the hook (14).