Overturn-preventing positioning device
By designing an anti-capsulse positioning device, using a motor to drive pulley set and bidirectional screw, combined with components such as lifting frame, transmission rod and torsion spring, the problem of electric flat vehicles being easily overturned in cargo transportation, and the stability and flexibility of cargo transportation are achieved.
Patent Information
- Application Number
- CN202420218200.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-30
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-01-30
AI Technical Summary
Existing electric flat vehicles are prone to overturn during cargo transportation, and it is difficult to adjust the limit structure according to the cargo placement position, affecting the safety and stability of cargo transportation.
An anti-capsulation positioning device is designed, including the main body of the electric flat car, a fixed frame, a lifting frame, a transmission rod, a transmission block, a bidirectional screw, a sliding support block, a rotating side plate and a torsion spring. The pulley set and a bidirectional screw are driven by the motor, so that the transmission rod can top the lifting frame, and limit and block the cargo through the telescopic support rod and an extended inner frame, and adjust according to the height of the cargo.
It effectively avoids overturning goods, ensures the stability of cargo transportation, and can lower the lifting frame when not in use, without affecting the placement and unloading of goods.
Smart Images
Figure CN222629442U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an anti-overturning positioning device and belongs to the technical field of cargo transportation. Background Art
[0002] An electric flatbed truck is a vehicle that uses batteries as power and motors as a means of transport for hauling goods or people. Electricity is an important energy source that is environmentally friendly, clean, and has a high conversion rate. The use of electricity to drive the replacement of vehicles can promote the low-carbon development of the transportation industry, reduce transportation costs, save energy, and protect the environment. Electric flatbed trucks have the advantages of strong applicability, mobility, simple maintenance, easy repair, and low price, and can flexibly travel through narrow roads.
[0003] During the cargo transportation process, the existing electric flat carts are prone to overturning due to the flat upper surface of the electric flat cart, which affects the safety of cargo transportation. In addition, during the cargo transportation process, the quantity of cargo varies, making it difficult to adjust the corresponding limiting structure according to the placement of the cargo, which is not conducive to the stable transportation of the cargo. Utility Model Content
[0004] The purpose of the utility model is to provide an anti-overturning positioning device to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] An anti-overturning positioning device comprises an electric flat car body and a fixed frame, wherein the lower sides of the front and rear ends of the electric flat car body are fixedly connected to fixed seats, the inner side of the fixed seats is rotatably connected to a bidirectional screw, the outer side of the bidirectional screw is spirally connected to a transmission block, the upper end of the transmission block is rotatably connected to a transmission rod, the upper end of the transmission rod is rotatably connected to a lifting frame, the upper end of the lifting frame is rotatably connected to threaded shafts on both sides, the outer side of the threaded shaft is spirally connected to a sliding support block, and the inner end of the sliding support block is rotatably connected to a rotating side plate.
[0007] Furthermore, a fixed frame is fixedly connected to the lower right end of the electric flat car body, a motor is fixedly connected to the right end of the fixed frame, a pulley block is fixedly connected to the left end of the output shaft of the motor, and the outer pulley of the pulley block is fixedly connected to the bidirectional screw.
[0008] Furthermore, an inner side of the lifting frame is slidably connected to an extended inner frame.
[0009] Furthermore, a telescopic support rod is fixedly connected to the middle position of the upper end of the fixing seat, and the telescopic support rod is fixedly connected to the lifting frame.
[0010] Furthermore, a rotation limit plate is fixedly connected to the outer end of the threaded shaft, and a rotation handle is rotatably connected to the inner side of the rotation limit plate.
[0011] Furthermore, the surface of the rotating shaft between the sliding support block and the rotating side plate is covered with a torsion spring, the upper torsion arm of the torsion spring is fixedly connected to the rotating side plate, and the lower torsion arm of the torsion spring is fixedly connected to the sliding support block.
[0012] The beneficial effects of the utility model are:
[0013] The utility model is provided with a motor to rotate the pulley block so that the bidirectional screw rods on the front and rear sides can rotate at the same time, so that the transmission block can drive the transmission rod to rotate, so that the transmission rod can support the lifting frame, and the lifting frame can be limited by the function of the telescopic support rod. At the same time, the lifting frame can be extended by the function of the extended inner frame so that the extended inner frame and the lifting frame can block the front and rear sides of the goods, and can be adjusted according to the height of the goods to prevent the goods from overturning. When it is not needed, the lifting frame can be lowered and stored inside the main body of the electric flat car without affecting the swaying of the goods For placing and unloading goods, after the lifting frame is raised, the utility model enables the rotating side panels to automatically rotate to a vertical state with the lifting frame through the action of the torsion spring, so that the rotating side panels can limit the left and right sides of the goods, and the rotating limit plates can be rotated by rotating the rotating handle, and then the set threaded shaft can be rotated, so that the sliding support block can drive the rotating side panels to move left and right, and then the rotating side panels can fit the sides of the goods to ensure the stability of cargo transportation. When not in use, the lifting frame can be lowered by the staff manually rotating the rotating side panels and fitting them to the lifting frame, which will not affect the normal lifting of the lifting frame. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the specific embodiments of the present invention and do not constitute a limitation to the present invention.
[0015] Figure 1 This is a front view of an anti-overturning positioning device of the utility model;
[0016] Figure 2 This is a cross-sectional view of the internal structure of the electric flat car main body, lifting frame and rotating side plate of an anti-overturning positioning device of the utility model;
[0017] Figure 3 The utility model is an anti-overturning positioning device Figure 2 A magnified view of the structure at A;
[0018] Figure 4It is a schematic diagram of the installation structure of a lifting frame and a rotating side plate of an anti-overturning positioning device of the utility model;
[0019] Numbers in the figure: 1. Electric flat car body; 2. Fixed seat; 3. Bidirectional screw; 4. Transmission block; 5. Transmission rod; 6. Lifting frame; 7. Threaded shaft; 8. Sliding support block; 9. Rotating side plate; 10. Fixed frame; 11. Motor; 12. Pulley block; 13. Extended inner frame; 14. Telescopic support rod; 15. Rotating limit plate; 16. Rotating handle; 17. Torsion spring. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] Example 1 Please refer to Figure 1-Figure 4 , the utility model provides a technical solution:
[0022] A kind of anti-overturning positioning device comprises an electric flat car body 1 and a fixed frame 10, the lower sides of the front and rear ends of the inner part of the electric flat car body 1 are fixedly connected with a fixed seat 2, the inner side of the fixed seat 2 is rotatably connected with a bidirectional screw 3, the outer side of the bidirectional screw 3 is spirally connected with a transmission block 4, the upper end of the transmission block 4 is rotatably connected with a transmission rod 5, the upper end of the transmission rod 5 is rotatably connected with a lifting frame 6, the lower right end of the electric flat car body 1 is fixedly connected with a fixed frame 10, the right end of the fixed frame 10 is fixedly connected with a motor 11, the left end of the output shaft of the motor 11 is fixedly connected with a pulley block 12, the outer pulley of the pulley block 12 is fixedly connected with the bidirectional screw 3, the inner side of the lifting frame 6 is slidably connected with an extended inner frame 13, the middle position of the upper end of the fixed seat 2 is fixedly connected with a telescopic support rod 14, and the telescopic support rod 14 is fixedly connected to the telescopic support rod 14. 14 is fixedly connected with the lifting frame 6. When the electric flat cart transports goods, the pulley block 12 can be rotated by rotating the motor 11, so that the bidirectional screw rods 3 on the front and rear sides can rotate at the same time, so that the transmission block 4 can drive the transmission rod 5 to rotate, so that the transmission rod 5 can support the lifting frame 6, and the lifting frame 6 can be limited by the action of the telescopic support rod 14. At the same time, the lifting frame 6 can be extended by the action of the extended inner frame 13, so that the extended inner frame 13 and the lifting frame 6 can block the front and rear sides of the goods, and can be adjusted according to the height of the goods to prevent the goods from overturning. When it is not needed, the lifting frame 6 can be lowered and stored in the electric flat cart body 1, which will not affect the placement and unloading of the goods.
[0023] Example 2 Please refer to Figure 1-Figure 4 The difference between this embodiment and the first embodiment is that: the left and right sides of the upper end of the lifting frame 6 are rotatably connected with a threaded shaft 7, the outer side of the threaded shaft 7 is spirally connected with a sliding support block 8, the inner end of the sliding support block 8 is rotatably connected with a rotating side plate 9, the outer end of the threaded shaft 7 is fixedly connected with a rotating limit plate 15, the inner side of the rotating limit plate 15 is rotatably connected with a rotating handle 16, the surface of the rotating shaft between the sliding support block 8 and the rotating side plate 9 is covered with a torsion spring 17, the upper end torsion arm of the torsion spring 17 is fixedly connected with the rotating side plate 9, and the lower end torsion arm of the torsion spring 17 is fixedly connected with the sliding support block 8. After the lifting frame 6 is raised, by The torsion spring 17 is set to enable the rotating side plate 9 to automatically rotate to a vertical state with the lifting frame 6, so that the rotating side plate 9 can limit the left and right sides of the goods, and the rotating limit plate 15 can be rotated by rotating the rotating handle 16, and then the set threaded shaft 7 can be rotated, so that the sliding support block 8 can drive the rotating side plate 9 to move left and right, and then the rotating side plate 9 can fit the side of the goods to ensure the stability of cargo transportation. When not in use, the staff can manually rotate the rotating side plate 9 and fit it to the lifting frame 6, so that the lifting frame 6 can be lowered, which will not affect the normal lifting of the lifting frame 6.
[0024] Working principle of the utility model: this device adopts the internal power supply of the electric flat car for power supply when in use. When the electric flat car transports goods, the pulley block 12 can be rotated by rotating the motor 11, so that the bidirectional screw rods 3 on the front and rear sides can be rotated at the same time, so that the transmission block 4 can drive the transmission rod 5 to rotate, so that the transmission rod 5 can support the lifting frame 6, and the lifting frame 6 can be supported by the telescopic support rod 14, and the lifting frame 6 can be extended by the extended inner frame 13, so that the extended inner frame 13 and the lifting frame 6 can block the front and rear sides of the goods, and can be adjusted according to the height of the goods to prevent the goods from overturning, and the lifting frame 6 can be lifted up when not in use. It can be lowered and stored inside the main body 1 of the electric flat car without affecting the placement and unloading of the goods. After the lifting frame 6 is raised, the rotating side plate 9 can automatically rotate to a vertical state with the lifting frame 6 through the action of the torsion spring 17, so that the rotating side plate 9 can limit the left and right sides of the goods, and the rotating limit plate 15 can be rotated by rotating the rotating handle 16, and then the threaded shaft 7 can be rotated, so that the sliding support block 8 can drive the rotating side plate 9 to move left and right, and then the rotating side plate 9 can fit the side of the goods to ensure the stability of cargo transportation. When not in use, the lifting frame 6 can be lowered by the staff manually rotating the rotating side plate 9 and fitting it to the lifting frame 6, which will not affect the normal lifting of the lifting frame 6.
[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An anti-overturning positioning device, comprising an electric flat car body (1) and a fixing frame (10), characterized in that: The lower sides of the front and rear ends of the electric flat car body (1) are fixedly connected to a fixing seat (2); the inner side of the fixing seat (2) is rotatably connected to a bidirectional screw rod (3); the outer side of the bidirectional screw rod (3) is spirally connected to a transmission block (4); the upper end of the transmission block (4) is rotatably connected to a transmission rod (5); the upper end of the transmission rod (5) is rotatably connected to a lifting frame (6); the upper end of the lifting frame (6) is rotatably connected to threaded shafts (7) on both left and right sides; the outer side of the threaded shaft (7) is spirally connected to a sliding support block (8); the inner end of the sliding support block (8) is rotatably connected to a rotating side plate (9).
2. The anti-overturning positioning device according to claim 1, characterized in that: A fixing frame (10) is fixedly connected to the lower right end of the electric flat car body (1), a motor (11) is fixedly connected to the right end of the fixing frame (10), a pulley block (12) is fixedly connected to the left end of the output shaft of the motor (11), and an outer pulley of the pulley block (12) is fixedly connected to the bidirectional screw rod (3).
3. The anti-overturning positioning device according to claim 1, characterized in that: An extended inner frame (13) is slidably connected to the inner side of the lifting frame (6).
4. The anti-overturning positioning device according to claim 1, characterized in that: A telescopic support rod (14) is fixedly connected to the middle position of the upper end of the fixed seat (2), and the telescopic support rod (14) is fixedly connected to the lifting frame (6).
5. The anti-overturning positioning device according to claim 1, characterized in that: The outer end of the threaded shaft (7) is fixedly connected to a rotation limit plate (15), and the inner side of the rotation limit plate (15) is rotatably connected to a rotation handle (16).
6. The anti-overturning positioning device according to claim 1, characterized in that: The surface of the rotating shaft between the sliding support block (8) and the rotating side plate (9) is covered with a torsion spring (17); the upper torsion arm of the torsion spring (17) is fixedly connected to the rotating side plate (9); and the lower torsion arm of the torsion spring (17) is fixedly connected to the sliding support block (8).