CN221213692U - Bearing surface expansion structure for electric flat car - Google Patents

Abstract

The utility model relates to the technical field of electric flat cars, and in particular to a load-bearing surface expansion structure for an electric flat car, wherein a threaded shaft is rotatably connected to the right side of the inner part of the car body, a push block is spirally connected to the right side of the threaded shaft, a sliding frame is slidably connected to the outer side of the push block, and an expansion plate is slidably connected to the inner side of the upper end of the sliding frame. The utility model can rotate the threaded shaft through the rotation of a motor, thereby enabling the push block to move left and right, and under the action of a sliding rod and a fixed plate, the sliding frame can drive the expansion plate to move left and right, and after the sliding frame moves to the right end limit, the push block and the sliding rod can continue to move to the right, and the transmission rod can drive the expansion plate to move upward, and the stability of the expansion plate can be guaranteed by the action of the arranged supporting telescopic rod, thereby enabling the expansion plate to be lifted to the same plane as the upper end surface of the car body, so as to facilitate the delivery and processing of more articles and improve the efficiency of article transportation.

Description

A load-bearing surface expansion structure for electric flat car

Technical Field

The utility model relates to a bearing surface expansion structure for an electric flat car, belonging to the technical field of electric flat cars.

Background technique

An electric flat car is an electrically driven platform transport vehicle with a wide range of functions and uses. First of all, an electric flat car can be used to transport and carry goods. It can easily carry heavy objects in factories, warehouses, large shopping malls and other places, improving work efficiency. Its efficient electric drive system can transport goods quickly and stably, which is more labor-saving and safer than traditional manual handling. In addition, electric flat cars can also be used in conjunction with other equipment, such as cranes, forklifts, etc., to achieve a more efficient cargo handling process.

During use, the existing electric flat carts have a limited supporting table area, which in turn limits the stacking of items and is difficult to adjust according to the quantity of items, affecting the efficiency of cargo transportation. In addition, the electric flat carts are not equipped with limiting devices when transporting items, which easily affects the stability of item transportation. When using straps, it is difficult to quickly bind and store, which is not conducive to the rapid and stable transportation of items.

Utility Model Content

The purpose of the utility model is to provide a load-bearing surface expansion structure for an electric flat car to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions:

A load-bearing surface expansion structure for an electric flat car comprises a car body and a driving roller, a threaded shaft is rotatably connected to the right side of the interior of the car body, a pushing block is spirally connected to the right side of the threaded shaft, a sliding frame is slidably connected to the outer side of the pushing block, an expansion plate is slidably connected to the inner side of the upper end of the sliding frame, a driven roller is rotatably connected to the lower right end of the sliding frame, the front and rear ends of the car body are fixedly connected to fixed rods, the front end surface of the car body is slidably connected to a first sliding block, the first sliding block is slidably connected to the fixed rod, and a binding strap is provided inside the first sliding block.

Furthermore, a motor is fixedly connected to the left side of the interior of the vehicle body, and an output shaft of the motor is fixedly connected to the threaded shaft.

Furthermore, a fixed plate is fixedly connected to the left side of the inner lower end of the sliding frame, a sliding rod is slidably connected to the left side of the fixed plate, a surface of the sliding rod is covered with a spring, and the sliding rod is fixedly connected to the pushing block.

Furthermore, a supporting telescopic rod is fixedly connected at the middle position of the sliding frame, the supporting telescopic rod is fixedly connected to the expansion plate, and a transmission rod is rotatably connected to the outer side of the lower end of the expansion plate. There are four transmission rods, the transmission rod on the right side is rotatably connected to the sliding frame, and the transmission rod on the left side is rotatably connected to the pushing block.

Furthermore, the inner sides of the front and rear ends of the vehicle body are rotatably connected with driving rollers.

Furthermore, the first sliding block is internally rotatably connected to a winding roller, the winding roller is wrapped around and connected to the strap, the right end of the winding roller is fixedly connected to a spring, the spring is fixedly connected to the first sliding block, and the upper end of the strap is fixedly connected to a hook.

Furthermore, a second sliding block is slidably connected to the rear end of the vehicle body, the second sliding block is slidably connected to the fixed rod, and the upper end of the second sliding block is fixedly connected to the hanging rod.

The beneficial effects of the utility model are:

The utility model is provided with a motor that can rotate the threaded shaft to rotate, thereby enabling the push block to move left and right, and under the action of the sliding rod and the fixed plate, the sliding frame can drive the expansion plate to move left and right, and under the action of the driven roller, the supporting effect of the expansion edge can be improved. After the sliding frame moves to the right end limit, the continuous rotation of the threaded shaft can enable the push block and the sliding rod to continuously move to the right, thereby compressing the set spring, and enabling the transmission rod to drive the expansion plate to move upward, and the stability of the expansion plate can be ensured by the action of the set supporting telescopic rod, thereby enabling the expansion plate to be lifted to the same level as the upper end surface of the vehicle body. The utility model can bind the items by using the binding strap, and the winding roller can rotate the rod by pulling the binding strap, so as to tighten the mainspring, and the movable end of the binding strap can be limited by the action of the hook and the hanging rod, so as to ensure the stable transportation of the items, and the mainspring can be elastically restored after the hook is removed from the hanging rod, so as to facilitate the automatic winding of the binding strap, and the first sliding block and the second sliding block can move left and right along the direction of the fixed rod, so as to facilitate the binding of items at different positions.

BRIEF DESCRIPTION OF THE DRAWINGS

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.

FIG1 is a front view of a load-bearing surface expansion structure for an electric flat car according to the utility model;

FIG2 is a cross-sectional view of the installation structure of a vehicle body, a sliding frame and an expansion plate of a load-bearing surface expansion structure for an electric flat car according to the utility model;

3 is a cross-sectional view of the installation structure of the first sliding block, the binding belt and the hook of the load-bearing surface expansion structure for an electric flat car of the utility model;

4 is a schematic diagram of the installation structure of the second sliding block and the hanging rod of the load-bearing surface expansion structure for an electric flat car of the utility model;

Numbers in the figure: 1. body; 2. threaded shaft; 3. push block; 4. sliding frame; 5. expansion plate; 6. driven roller; 7. fixed rod; 8. first sliding block; 9. strap; 10. motor; 11. fixed plate; 12. sliding rod; 13. spring; 14. supporting telescopic rod; 15. transmission rod; 16. driving roller; 17. winding roller; 18. spring; 19. hook; 20. second sliding block; 21. hanging rod.

Implementation

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.

Embodiment 1 Please refer to Figures 1 to 4. The utility model provides a technical solution:

A load-bearing surface expansion structure for an electric flat car comprises a car body 1 and a driving roller 16, wherein a threaded shaft 2 is rotatably connected to the right side of the car body 1, a pushing block 3 is spirally connected to the right side of the threaded shaft 2, a sliding frame 4 is slidably connected to the outer side of the pushing block 3, an expansion plate 5 is slidably connected to the inner side of the upper end of the sliding frame 4, and a driven roller 6 is rotatably connected to the lower right side of the sliding frame 4, a motor 10 is fixedly connected to the left side of the interior of the car body 1, an output shaft of the motor 10 is fixedly connected to the threaded shaft 2, a fixed plate 11 is fixedly connected to the left side of the lower end of the sliding frame 4, a sliding rod 12 is slidably connected to the left side of the fixed plate 11, a surface of the sliding rod 12 is covered with a spring 13, the sliding rod 12 is fixedly connected to the pushing block 3, a supporting telescopic rod 14 is fixedly connected to the middle position of the sliding frame 4, the supporting telescopic rod 14 is fixedly connected to the expansion plate 5, a transmission rod 15 is rotatably connected to the outer side of the lower end of the expansion plate 5, and there are four transmission rods 15, which are rotatably connected to the sliding frame 4 and the transmission rod 15 on the right side. Then, the transmission rod 15 on the left side is rotatably connected with the pushing block 3, and the driving rollers 16 are rotatably connected to the inner sides of the front and rear ends of the vehicle body 1. When the electric flat cart is used to transport different amounts of items, the rotation of the motor 10 can make the threaded shaft 2 rotate, thereby making the pushing block 3 move left and right, and under the action of the sliding rod 12 and the fixed plate 11, the sliding frame 4 can drive the expansion plate 5 to move left and right, and under the action of the driven roller 6, the supporting effect of the expansion edge can be improved. After the sliding frame 4 moves to the right end limit, the continuous rotation of the threaded shaft 2 can make the pushing block 3 and the sliding rod 12 move continuously to the right, thereby making the set spring 13 compressible, and making the transmission rod 15 drive the expansion plate 5 to move upward, and the stability of the expansion plate 5 can be guaranteed through the action of the set supporting telescopic rod 14, thereby making the expansion plate 5 lift to the same plane of the upper end surface of the vehicle body 1, so as to facilitate the handling of more items and improve the efficiency of item transportation.

For Example 2, please refer to Figures 1, 3 and 4. The difference between this embodiment and Example 1 is that: the front and rear ends of the vehicle body 1 are fixedly connected to the fixed rod 7, the front end surface of the vehicle body 1 is slidably connected to the first sliding block 8, the first sliding block 8 is slidably connected to the fixed rod 7, a strap 9 is provided inside the first sliding block 8, a winding roller 17 is rotatably connected inside the first sliding block 8, the winding roller 17 is wrapped around the strap 9, the right end of the winding roller 17 is fixedly connected to the clockwork 18, the clockwork 18 is fixedly connected to the first sliding block 8, the upper end of the strap 9 is fixedly connected to the hook 19, the rear end of the vehicle body 1 is slidably connected to the second sliding block 20, the second sliding block 20 is slidably connected to the fixed rod 7 The second sliding block 20 is dynamically connected, and the upper end of the second sliding block 20 is fixedly connected with a hanging rod 21, and the objects can be tied by utilizing the action of the strap 9, and the winding roller 17 can be rotated by pulling the strap 9, so that the spring 18 can be tightened, and the movable end of the strap 9 can be limited by the action of the hook 19 and the hanging rod 21, so as to ensure the stable transportation of the objects, and after the hook 19 is removed from the hanging rod 21, the spring 18 can be elastically restored to facilitate the automatic winding of the strap 9, and the first sliding block 8 and the second sliding block 20 can move left and right along the direction of the fixed rod 7, so as to facilitate the binding of objects at different positions.

Working principle of the utility model: this device is powered by a battery when in use. When the electric flat cart is used to transport different amounts of items, the rotation of the motor 10 can make the threaded shaft 2 rotate, so that the push block 3 can move left and right, and under the action of the sliding rod 12 and the fixed plate 11, the sliding frame 4 can drive the expansion plate 5 to move left and right, and under the action of the driven roller 6, the supporting effect of the expansion edge can be improved. After the sliding frame 4 moves to the right end limit, the continuous rotation of the threaded shaft 2 can make the push block 3 and the sliding rod 12 move continuously to the right, so that the set spring 13 can be compressed, and the transmission rod 15 can drive the expansion plate 5 to move upward, and the expansion plate 5 can be guaranteed by the action of the set supporting telescopic rod 14. The stability of the vehicle body 1 is ensured, so that the expansion plate 5 can be lifted to the same plane as the upper end surface of the vehicle body 1, so that more items can be carried and processed, thereby improving the efficiency of item transportation, and the items can be tied by utilizing the action of the strap 9, and the winding roller 17 can be rotated by pulling the strap 9, so that the spring 18 can be tightened, and the movable end of the strap 9 can be limited by the action of the hook 19 and the hanging rod 21, so as to ensure the stable transportation of the items, and after the hook 19 is removed from the hanging rod 21, the spring 18 can be elastically restored, so as to facilitate the automatic winding of the strap 9, and the first sliding block 8 and the second sliding block 20 can move left and right along the direction of the fixed rod 7, so as to facilitate the binding of items at different positions.

Although the 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 (7)

1. A load-bearing surface expansion structure for an electric flat car, comprising a car body (1) and a driving roller (16), characterized in that: a threaded shaft (2) is rotatably connected to the right side of the inside of the car body (1), a push block (3) is spirally connected to the right side of the threaded shaft (2), a sliding frame (4) is slidably connected to the outside of the push block (3), an expansion plate (5) is slidably connected to the inner side of the upper end of the sliding frame (4), a driven roller (6) is rotatably connected to the lower side of the right end of the sliding frame (4), the front and rear ends of the car body (1) are fixedly connected to fixed rods (7), the front end surface of the car body (1) is slidably connected to a first sliding block (8), the first sliding block (8) is slidably connected to the fixed rod (7), and a binding belt (9) is provided inside the first sliding block (8). 2. A load-bearing surface expansion structure for an electric flat car according to claim 1, characterized in that a motor (10) is fixedly connected to the left side of the interior of the car body (1), and the output shaft of the motor (10) is fixedly connected to the threaded shaft (2). 3. A load-bearing surface expansion structure for an electric flat car according to claim 1, characterized in that: a fixed plate (11) is fixedly connected to the left side of the inner lower end of the sliding frame (4), a sliding rod (12) is slidably connected to the left side of the fixed plate (11), a spring (13) is coated on the surface of the sliding rod (12), and the sliding rod (12) is fixedly connected to the pushing block (3). 4. A load-bearing surface expansion structure for an electric flat car according to claim 1, characterized in that: a supporting telescopic rod (14) is fixedly connected to the middle position of the sliding frame (4), the supporting telescopic rod (14) is fixedly connected to the expansion plate (5), and a transmission rod (15) is rotatably connected to the outer side of the lower end of the expansion plate (5), and there are four transmission rods (15), the transmission rod (15) located on the right side is rotatably connected to the sliding frame (4), and the transmission rod (15) located on the left side is rotatably connected to the push block (3). 5. The load-bearing surface expansion structure for an electric flat car according to claim 1, characterized in that the inner sides of the front and rear ends of the car body (1) are both rotatably connected to driving rollers (16). 6. A load-bearing surface expansion structure for an electric flat car according to claim 1, characterized in that: a winding roller (17) is rotatably connected inside the first sliding block (8), the winding roller (17) and the binding belt (9) are connected in a wrapping manner, a spring (18) is fixedly connected to the right end of the winding roller (17), the spring (18) and the first sliding block (8) are fixedly connected, and a hook (19) is fixedly connected to the upper end of the binding belt (9). 7. A load-bearing surface expansion structure for an electric flat car according to claim 1, characterized in that: a second sliding block (20) is slidably connected to the rear end of the car body (1), the second sliding block (20) is slidably connected to a fixed rod (7), and a hanging rod (21) is fixedly connected to the upper end of the second sliding block (20).