Hydraulic turning plate car unloader driven by closed-loop motor to walk
By using closed-loop motor drive and DC power supply in the hydraulic flip-board unloader, combined with the adjustment of universal wheels and hydraulic cylinders, the problem of insufficient motor feedback loop in the prior art is solved, the movement accuracy and stability of the unloader are improved, and it is suitable for complex terrain environments.
Patent Information
- Application Number
- CN202421824631.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-31
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-07-31
AI Technical Summary
The motor of the existing mobile hydraulic flap unloader has no feedback loop and cannot adapt to the load changes during up and downhill terrain, resulting in large errors in actual motion and expected state, and poor accuracy and stability during movement, limiting its use range.
The hydraulic flip-board unloader is driven by a closed-loop motor to provide moving power to the rear wheel through a DC power supply, and the symmetrical installation of the closed-loop motor and the drive wheel is combined with the adjustment of the universal wheel and the hydraulic cylinder to achieve precise control and stable movement.
It solves the problem that the motor has no feedback loop, improves the accuracy and stability during movement, and can be suitable for places with large slopes and poor road environments, achieving flexible movement and steering.
Smart Images
Figure CN222877183U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of car unloading machines, and more specifically, to a hydraulic plate-turning car unloading machine driven by a closed-loop motor. Background Art
[0002] With the rapid development of the national economy, mobile hydraulic flap unloading machines have been rapidly developed as a type of truck fast unloading equipment. The mobile hydraulic flap unloading machines currently on the market use open-loop motors to drive the wheels to achieve movement.
[0003] The motor has no feedback loop and cannot adapt to changes in load when encountering uphill and downhill terrain. The actual movement and the expected state have a large error, so it cannot play its role in such situations. Therefore, its scope and places of use are limited. In addition, the mobile hydraulic flap unloading machine in the existing technology has poor accuracy and stability during movement, and is not suitable for places with large slopes and poor road conditions at work. Utility Model Content
[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide a hydraulic flap unloading machine driven by a closed-loop motor, which provides moving power for the rear wheels through a DC power supply to realize the rotation of the rear wheels, and solves the problem that the motor in the prior art has no feedback loop, cannot adapt to changes in load when encountering uphill and downhill terrain, and has a large error between the actual movement and the expected state. The utility model ensures accuracy and stability during movement, can be controlled separately to realize movement and steering, is flexible and convenient, and is particularly suitable for places with large slopes and poor road conditions.
[0005] To solve the above problems, the utility model adopts the following technical solutions.
[0006] A hydraulic flip plate unloading machine driven by a closed-loop motor comprises a chassis, one end of the chassis is provided with an articulated seat, one side of the articulated seat is articulated with a flip platform, both sides of the chassis are articulated with flip cylinders, the ends of the flip cylinders are articulated with connecting frames, the connecting frames are fixedly connected to the two sides of the flip platform, the ends of the flip platform are fixedly connected with limit plates, one side of the limit plate is provided with a limit groove, both sides of the chassis are provided with first mounting frames, one side of the first mounting frame is articulated with an articulated plate, one side of the articulated plate is rotatably installed with a driving wheel, one side of the driving wheel is combined with a closed-loop motor, one end of the articulated plate is articulated with a supporting cylinder, and the supporting cylinder is articulated to one side of the first mounting frame;
[0007] A second mounting frame is fixedly connected to both sides of the front end surface of the chassis, an adjustment plate is hinged on one side of the second mounting frame, a universal wheel is rotatably mounted on one side of the adjustment plate, an adjustment cylinder is hinged on the other side of the adjustment plate, and the adjustment cylinder is hinged to one side surface of the second mounting frame.
[0008] Furthermore, a DC battery is fixedly mounted on one side of the chassis, and the DC battery is connected in series to the closed-loop motor.
[0009] Furthermore, there are two closed-loop motors and two driving wheels, which are symmetrically installed on both sides of the rear end of the chassis.
[0010] Furthermore, there are two universal wheels, which are symmetrically installed on both sides of the front end of the chassis. By installing a DC battery, they can be powered on and controlled, and the driving wheel and the universal wheel are symmetrically installed to ensure the stability of the movement and adjustment, which is conducive to combined use.
[0011] Furthermore, a control console is provided on one side of the upper surface of the chassis, and the control console is located on one side of the flip platform.
[0012] Furthermore, a pump station is fixedly installed on one side surface of the chassis, and the pump station is connected to the tilting cylinder, the supporting cylinder and the adjusting cylinder through pipelines.
[0013] Furthermore, the pump station is connected in parallel to the control console through an electric circuit. By connecting the pump station through the control console, the direction of the hydraulic oil can be manually controlled, thereby controlling the movement of the oil cylinder, which is convenient for adjustment and use, and is convenient and efficient.
[0014] Compared with the prior art, the advantages of the present invention are:
[0015] (1) This solution uses a DC power supply to provide the rear wheels with moving power to achieve rear wheel rotation. This solves the problem that the motor in the prior art has no feedback loop and cannot adapt to changes in load when encountering uphill and downhill terrain, resulting in a large error between the actual movement and the expected state. It ensures accuracy and stability during movement, and can be controlled separately to achieve movement and steering. It is flexible and convenient, and is particularly suitable for places with large slopes and poor road conditions.
[0016] (2) By installing a DC battery, the machine can be powered on and controlled, and the drive wheels and universal wheels can be installed symmetrically to ensure the stability of the mobile adjustment, which is conducive to combined use.
[0017] (3) By connecting the pump station through the console, the direction of the hydraulic oil can be manually controlled, thereby controlling the movement of the cylinder, which is convenient for adjustment and use, convenient and efficient. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;
[0019] Figure 2 It is a schematic diagram of the planar structure of the utility model when unloading;
[0020] Figure 3 It is a structural schematic diagram of the limiting plate of the utility model;
[0021] Figure 4 It is a partial structural diagram of the drive wheel connection of the utility model;
[0022] Figure 5 It is a partial structural diagram of the universal wheel connection of the utility model.
[0023] Description of the numbers in the figure:
[0024] 1 chassis, 11 articulated seat, 12 flip platform, 13 flip cylinder, 14 connecting frame, 15 limit plate, 16 limit groove, 2 first mounting frame, 21 articulated plate, 22 driving wheel, 23 closed-loop motor, 24 supporting cylinder, 25 second mounting frame, 26 adjusting plate, 27 universal wheel, 28 adjusting cylinder, 29 battery, 3 control console, 31 pump station. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.
[0026] See also Figure 1 , Figure 3 , Figure 4 and Figure 5The hydraulic flip unloading machine driven by a closed-loop motor comprises a chassis 1, one end of the chassis 1 is provided with an articulated seat 11, one side of the articulated seat 11 is articulated with a flip platform 12, both sides of the chassis 1 are articulated with a flip cylinder 13, the end of the flip cylinder 13 is articulated with a connecting frame 14, the connecting frame 14 is fixedly connected to both sides of the flip platform 12, the vehicle can be parked on the flip platform 12, the flip cylinder 13 pushes the flip platform 12 to flip around the articulated seat 11, so as to flip the vehicle to an inclined position, which is convenient for unloading from the rear, convenient for combined use, efficient and stable, the ends of the flip platform 12 are fixedly connected with a limiting plate 15, one side of the limiting plate 15 is provided with a limiting groove 16, after the vehicle is parked, the wheels can be The first mounting frame 2 is provided on both sides of the chassis 1. A hinge plate 21 is hingedly connected to one side of the first mounting frame 2. A driving wheel 22 is rotatably mounted on one side of the hinge plate 21. A closed-loop motor 23 is installed on one side of the driving wheel 22. A support cylinder 24 is hingedly connected to one end of the hinge plate 21. The support cylinder 24 is hingedly connected to one side of the first mounting frame 2. The closed-loop motor 23 drives the driving wheel 22 to rotate, which is convenient for adjustment and control. The driving wheels 22 on both sides rotate at the same time and can move forward and backward. When the rotation of the two sides is not synchronized, the speed difference causes the speed of the two sides of the chassis 1 to be inconsistent, so that steering can be achieved, which is conducive to adjustment and control and convenient for stability.
[0027] A second mounting frame 25 is fixedly connected to both sides of the front end surface of the chassis 1, an adjusting plate 26 is hinged on one side of the second mounting frame 25, a universal wheel 27 is rotatably installed on one side of the adjusting plate 26, an adjusting cylinder 28 is hinged on the other side of the adjusting plate 26, and the adjusting cylinder 28 is hinged to one side surface of the second mounting frame 25. When in use, the supporting cylinder 24 is controlled to extend to push the hinged plate 21 to move downward, and the driving wheel 22 is supported on the ground. At the same time, the adjusting cylinder 28 is controlled to extend to push the adjusting plate 26, and the universal wheel 27 is supported on the ground, so that the chassis 1 can be supported and moved conveniently. When unloading the vehicle, the supporting cylinder 24 and the adjusting cylinder 28 can be controlled to retract to increase the height of the driving wheel 22 and the universal wheel 27, so that the chassis 1 can be directly supported on the ground, ensuring safety and stability, which is conducive to controlled use.
[0028] See also Figure 1 and Figure 2 A DC battery 29 is fixedly installed on one side of the chassis 1. The DC battery 29 is connected in series to the closed-loop motor 23. There are two closed-loop motors 23 and two drive wheels 22, which are symmetrically installed on both sides of the rear end of the chassis 1. There are two universal wheels 27, which are symmetrically installed on both sides of the front end of the chassis 1. By installing the DC battery, it can be powered on and controlled, and the drive wheels and universal wheels are symmetrically installed to ensure the stability of the movement and adjustment, which is conducive to combined use.
[0029] See also Figure 1 and Figure 2 A control console 3 is provided on one side of the upper surface of the chassis 1. The control console 3 is located on one side of the flip platform 12. A pump station 31 is fixedly installed on one side of the chassis 1. The pump station 31 is connected to the flip cylinder 13, the supporting cylinder 24 and the adjusting cylinder 28 through a pipeline. The pump station 31 is connected to the control console 3 in parallel through a circuit. By connecting the pump station through the control console, the direction of the hydraulic oil can be manually controlled, thereby controlling the movement of the cylinder, which is convenient for adjustment and use, convenient and efficient. The pump station 31 can be controlled by the button on the control console 3 to supply hydraulic oil, thereby adjusting the telescopic state of each cylinder, which is convenient for combined use.
[0030] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.
Claims
1. A hydraulic plate unloading machine driven by a closed-loop motor comprises a chassis (1), one end of the chassis (1) is provided with an articulated seat (11), one side of the articulated seat (11) is hinged with a turning platform (12), and is characterized in that: Both sides of the chassis (1) are hinged with a turning cylinder (13), the end of the turning cylinder (13) is hinged with a connecting frame (14), the connecting frame (14) is fixedly connected to the two sides of the turning platform (12), the two sides of the end of the turning platform (12) are fixedly connected with a limiting plate (15), one side of the limiting plate (15) is provided with a limiting groove (16), both sides of the chassis (1) are provided with a first mounting frame (2), one side of the first mounting frame (2) is hinged with a hinge plate (21), one side of the hinge plate (21) is rotatably mounted with a driving wheel (22), one side of the driving wheel (22) is assembled with a closed-loop motor (23), one end of the hinge plate (21) is hinged with a supporting cylinder (24), the supporting cylinder (24) is hinged to one side of the first mounting frame (2); A second mounting frame (25) is fixedly connected to both sides of the front end surface of the chassis (1); an adjustment plate (26) is hingedly connected to one side of the second mounting frame (25); a universal wheel (27) is rotatably mounted on one side of the adjustment plate (26); an adjustment cylinder (28) is hingedly connected to the other side of the adjustment plate (26); and the adjustment cylinder (28) is hingedly connected to a side surface of the second mounting frame (25).
2. The hydraulic flap unloading machine driven by a closed-loop motor according to claim 1 is characterized in that: A DC battery (29) is fixedly mounted on one side of the chassis (1), and the DC battery (29) is connected in series to a closed-loop motor (23).
3. The hydraulic flap unloading machine driven by a closed-loop motor according to claim 1 is characterized in that: There are two closed-loop motors (23) and two driving wheels (22), which are symmetrically mounted on both sides of the rear end of the chassis (1).
4. The hydraulic flap unloading machine driven by a closed-loop motor according to claim 1 is characterized in that: There are two universal wheels (27), which are symmetrically installed at both sides of the front end of the chassis (1).
5. The hydraulic flap unloading machine driven by a closed-loop motor according to claim 1 is characterized in that: A control console (3) is provided on one side of the upper surface of the chassis (1), and the control console (3) is located on one side of the turning platform (12).
6. The hydraulic flap unloading machine driven by a closed-loop motor according to claim 1 is characterized in that: A pump station (31) is fixedly mounted on one side surface of the chassis (1), and the pump station (31) is connected to the tilting cylinder (13), the supporting cylinder (24) and the adjusting cylinder (28) through pipelines.
7. The hydraulic plate unloading machine driven by a closed-loop motor according to claim 6 is characterized in that: The pump station (31) is connected in parallel to the control console (3) via an electrical circuit.