Hydraulic tail plate lifting device of low-speed electric truck

Abstract

The utility model provides a hydraulic tailboard lifting device of a low-speed electric truck, which belongs to the technical field of hydraulic tailboards of low-speed electric trucks, and comprises a chassis, a lifting arm and a hydraulic cylinder, the chassis is fixed at the tail part of a frame of the electric truck and is of a rectangular frame structure, and the lifting arm is fixed on the chassis; the support is used for supporting the whole lifting device; the lifting arm is connected to the bottom frame through a pin shaft, is of an approximately trapezoidal structure and is used for bearing goods and lifting; the lifting arm comprises a top layer piece, a bottom layer piece and a rib plate piece, the rib plate piece is fixed between the top layer piece and the bottom layer piece, and the rib plate piece is of a multi-layer cross structure and is used for enhancing the strength of the lifting arm; the utility model provides a hydraulic tail plate lifting device of a low-speed electric truck. The hydraulic tail plate lifting device can solve the problems that an existing lifting device is insufficient in stability and prone to shaking.

Description

Technical Field

[0001] The utility model belongs to the technical field of hydraulic tailgates of low-speed electric trucks, and in particular relates to a hydraulic tailgate lifting device for low-speed electric trucks. Background Art

[0002] The hydraulic tail lift system for low-speed electric trucks is a crucial device used to help lift or lower cargo during loading and unloading. Typically installed at the rear of the truck, it uses a hydraulic system to drive the tail lift up and down, facilitating the handling of heavy or bulky items. The hydraulic system primarily provides power to the hydraulic system, which includes components such as a hydraulic pump, a hydraulic cylinder, oil pipes, and a control valve. During operation, the hydraulic pump drives the flow of hydraulic oil, applying pressure to the hydraulic cylinder. The piston within the cylinder, acting upon the oil pressure, raises and lowers the tail lift. Hydraulic tail lifts make loading and unloading faster and more convenient, especially in locations without a loading platform. They eliminate manual lifting of heavy objects, reducing labor intensity and safety risks. The hydraulic control system is simple to operate, typically requiring only a single button or handle to raise or lower the tail lift. Hydraulic tail lifts for low-speed electric trucks are crucial tools for improving loading and unloading efficiency, ensuring safety, and reducing labor costs. They are particularly crucial for cargo handling on small trucks. In practical applications, hydraulic tail lifts can significantly improve work efficiency and safety.

[0003] However, the existing lifting device is not stable enough and is prone to shaking. Utility Model Content

[0004] In view of this, the utility model provides a hydraulic tailgate lifting device for a low-speed electric truck, which can solve the problem that the existing lifting device is not stable enough and is prone to shaking.

[0005] The utility model is achieved in this way:

[0006] The utility model provides a hydraulic tailgate lifting device for a low-speed electric truck, which includes a chassis, a lifting arm, and a hydraulic cylinder. The chassis is fixed to the rear of the electric truck frame and is in the shape of a rectangular frame structure for supporting the entire lifting device; the lifting arm is connected to the chassis via a pin shaft and is in the shape of a trapezoidal structure for carrying and lifting cargo; one end of the hydraulic cylinder is connected to the lifting arm, and the other end is connected to the chassis for providing lifting power;

[0007] The lifting arm includes a top member, a bottom member and a rib member. The rib member is fixed between the top member and the bottom member. The rib member is a multi-layer cross structure for enhancing the strength of the lifting arm.

[0008] On the basis of the above technical solution, the hydraulic tailgate lifting device for low-speed electric trucks of the present invention can also be improved as follows:

[0009] The top layer and the bottom layer are in a wavy structure, which enhances the bending resistance in the vertical direction.

[0010] Further, the lifting arm is in a multi-stage telescopic structure, which is connected by a plurality of arm segments through a pin shaft.

[0011] Further, the front end of the lifting arm is provided with an I-shaped clamping hand for clamping the lifting plate.

[0012] Further, the lifting plate is provided with a dovetail groove at the position connected with the lifting arm, which enhances the stability of the clamping of the lifting plate and the lifting arm.

[0013] Further, the lifting plate is provided with a rolled edge structure along the clamping direction.

[0014] Further, the lifting plate is provided with a damping hole, which is arranged in a honeycomb shape, for maintaining the structural strength of the lifting plate while ensuring the weight loss effect.

[0015] Further, the top of the lifting plate is covered with a non-slip rubber, which increases the friction between the goods and the lifting plate.

[0016] Further, the lifting arm includes at least two, which are symmetrically clamped on both sides of the lifting plate.

[0017] Further, the number of the hydraulic cylinders is the same as that of the lifting arms.

[0018] Compared with the prior art, the low-speed electric truck hydraulic tail plate lifting device has the following advantages:

[0019] The base frame is fixed to the tail of the electric truck frame and serves as a fixed and supporting component of the hydraulic tail plate lifting device. The base frame is in a rectangular frame structure, which can evenly distribute the load and provide sufficient carrying capacity. The stability of the base frame is crucial to ensure the stability of the hydraulic tail plate system when lifting goods. The stability of the base frame can effectively withstand the pressure of the hydraulic cylinder and the load applied by the lifting arm, ensuring that the hydraulic tail plate does not deform or shake when carrying goods of different weights, thereby improving the operation safety.

[0020] The lifting arm is connected to the chassis through a pin shaft, serving as a carrier for goods and enabling lifting. Its shape is approximately trapezoidal, which helps provide better support and stability during lifting. The upper part of the lifting arm is the top piece, and the lower part is the bottom piece, connected by a web piece. The multi-layer cross structure of the web piece enhances the overall strength of the lifting arm, preventing bending or damage under high loads. Meanwhile, the wavy top and bottom pieces improve the vertical bending resistance of the lifting arm, enhancing the structure's anti-deformation performance. This makes the lifting arm more reliable when carrying goods, capable of withstanding larger external loads.

[0021] The hydraulic cylinder provides power for pushing the lifting arm up and down. One end of the hydraulic cylinder is connected to the lifting arm, and the other end is connected to the chassis. The hydraulic system moves the lifting arm through pressurized oil, driving the tail plate up and down to complete the loading and unloading of goods. The hydraulic cylinder provides smooth and reliable lifting power through efficient energy conversion. The number of hydraulic cylinders is the same as the number of lifting arms, ensuring symmetry and stability during lifting. The design of the hydraulic cylinder not only ensures sufficient power but also smoothly controls the lifting speed, avoiding damage caused by improper operation.

[0022] The wavy top and bottom pieces further enhance the vertical bending resistance of the lifting arm, improving the structure's fatigue resistance. Under high load, the stress distribution of the wavy structure is more uniform, thereby improving the stability and lifespan of the entire lifting arm.

[0023] The lifting arm adopts a multi-stage telescopic structure, allowing the arm length to be adjusted according to actual needs, making it efficient in lifting tasks at different heights, enhancing the adaptability and flexibility of the device. Multiple arm segments are connected through pin shafts, ensuring the stability of the structure.

[0024] The lifting arm is equipped with a H-shaped clamping hand at the front end, used to clamp the lifting plate, enhancing the clamping stability with the lifting plate. The design of the dovetail groove further improves the clamping stability, preventing the lifting plate from slipping or loosening during lifting.

[0025] The lifting plate is equipped with a hem structure along the clamping direction, preventing goods from sliding during lifting, improving the safety of goods. The shock-absorbing holes are arranged in a honeycomb pattern, reducing the weight of the lifting plate while maintaining sufficient strength and rigidity, reducing damage caused by vibration or impact.

[0026] The top of the lifting plate is covered with a non-slip rubber layer to increase the friction between the goods and the lifting plate. This design effectively prevents goods from sliding or falling during transportation, improving transportation safety.

[0027] The lifting arm includes at least two symmetrical clamping sides of the lifting plate, so that balanced distribution of force during lifting is ensured, and structural deformation or damage caused by asymmetric pressure is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the description of the embodiments of the present application. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained according to these drawings without creative labor for those skilled in the art.

[0029] Fig. 1 It is a structural schematic view of a low-speed electric truck hydraulic tail plate lifting device.

[0030] Fig. 2 It is a structural schematic view of a lifting arm.

[0031] In the drawings, the component list represented by each number is as follows:

[0032] 10, chassis; 20, lifting arm; 21, top layer; 22, bottom layer; 23, rib plate; 30, hydraulic cylinder. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical scheme in the embodiments of the present application.

[0034] As Figs. 1-2 shown, it is an embodiment of a low-speed electric truck hydraulic tail plate lifting device provided by the present application. In the embodiment, it includes a chassis 10, a lifting arm 20 and a hydraulic cylinder 30. The chassis 10 is fixed to the tail of the electric truck frame and is in the shape of a rectangular frame structure, which is used to support the entire lifting device. The lifting arm 20 is connected to the chassis through a pin shaft and is in the shape of a trapezoidal structure, which is used to carry goods and lift. One end of the hydraulic cylinder 30 is connected to the lifting arm 20, and the other end is connected to the chassis 10, which is used to provide lifting power.

[0035] The lifting arm 20 includes a top layer 21, a bottom layer 22 and a rib plate 23. The rib plate 23 is fixed between the top layer 21 and the bottom layer 22, and the rib plate 23 is a multi-layer cross structure, which is used to enhance the strength of the lifting arm 20.

[0036] In the above technical scheme, the top layer 21 and the bottom layer 22 are in a wave shape structure, which is used to enhance the bending resistance in the vertical direction.

[0037] Further, in the above technical solution, the lifting arm 20 is a multi-stage telescopic structure, which is connected by a plurality of arm sections through a pin shaft.

[0038] Further, in the above technical solution, the front end of the lifting arm 20 is provided with an I-shaped clamping hand for clamping the lifting plate.

[0039] Further, in the above technical solution, the lifting plate is provided with a dovetail groove at the position connected with the lifting arm 20, so as to enhance the stability of the clamping of the lifting arm 20 and the lifting plate.

[0040] Further, in the above technical solution, the lifting plate is provided with a curled edge structure along the clamping direction.

[0041] Further, in the above technical solution, the lifting plate is provided with a damping hole, which is arranged in a honeycomb shape, so as to maintain the structural strength of the lifting plate while ensuring the weight reduction effect.

[0042] Further, in the above technical solution, the top of the lifting plate is covered with a non-slip rubber, so as to increase the friction between the goods and the lifting plate.

[0043] Further, in the above technical solution, the lifting arm 20 includes at least two, which are symmetrically clamped on both sides of the lifting plate.

[0044] Further, in the above technical solution, the number of hydraulic cylinders 30 is the same as that of the lifting arms 20.

[0045] Specifically, the principle of the utility model is: when in use, start the vehicle and ensure that the vehicle is stable on the ground, and ensure that the wheel brake is locked to prevent the vehicle from moving. Operate the hydraulic cylinder to lift the tail plate. The hydraulic cylinder will push the lifting arm to gradually lift the tail plate. When lifting the tail plate, ensure that there is no obstacle blocking the lifting path of the hydraulic tail plate, ensure the safety of the operating environment, and avoid clamping people or objects. When the tail plate is lifted to the required height, the goods are placed stably on the lifting plate. Since the lifting plate has a non-slip rubber layer, the goods should be firmly placed and not easily slide.

Claims

1. A hydraulic tail lift device for low speed electric vehicles, characterized in that, The utility model provides an electric truck lifting device, including bottom frame (10), lifting arm (20) and hydraulic cylinder (30), bottom frame (10) is fixed to electric truck frame tail, shape is rectangular frame structure, is used for supporting whole lifting device, lifting arm (20) is connected to bottom frame through pin shaft, shape is approximate trapezoidal structure, is used for carrying goods and lifting, one end of hydraulic cylinder (30) connects lifting arm (20), the other end connects bottom frame (10), is used for providing lifting power, The lifting arm (20) includes a top layer (21), a bottom layer (22), and a rib plate (23) fixed between the top layer (21) and the bottom layer (22). The rib plate (23) is a multi-layer cross structure for enhancing the strength of the lifting arm (20).

2. A hydraulic tail lift device for a low speed electric vehicle as claimed in claim 1, wherein, The top layer (21) and the bottom layer (22) are wave-shaped structures for enhancing their bending resistance in the vertical direction.

3. A hydraulic tail lift arrangement for a low speed electrically powered truck as claimed in claim 2, wherein, The lifting arm (20) is a multi-stage telescopic structure composed of multiple arm segments connected by pin shafts.

4. A hydraulic tail lift arrangement for a low speed electrically powered truck as claimed in claim 3 wherein, The front end of the lifting arm (20) is provided with an I-shaped clamping hand for clamping a lifting plate.

5. A hydraulic tail lift arrangement for a low speed electrically powered truck as claimed in claim 4 wherein, The lifting plate is provided with a dovetail groove at the position connected with the lifting arm (20) for enhancing the stability of the clamping between the lifting arm (20) and the lifting plate.

6. A hydraulic tail lift arrangement for a low speed electrically powered truck as claimed in claim 5 wherein, The lifting plate is provided with a rolled edge structure along the clamping direction.

7. A hydraulic tail lift arrangement for a low speed electrically powered truck as claimed in claim 6 wherein, The lifting plate is provided with shock-absorbing holes arranged in a honeycomb pattern for maintaining the structural strength of the lifting plate while ensuring weight reduction.

8. A hydraulic tail lift arrangement for a low speed electrically powered truck as claimed in claim 7, wherein, The top of the lifting plate is covered with anti-slip rubber for increasing the friction between the goods and the lifting plate.

9. A hydraulic tail lift arrangement for a low speed electrically powered truck as claimed in claim 8, wherein, The lifting arm (20) includes at least two arms symmetrically clamped on both sides of the lifting plate.

10. A hydraulic tail lift arrangement for a low speed electrically powered truck as claimed in claim 9, wherein, The number of hydraulic cylinders (30) is the same as that of the lifting arms (20).

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