Heavy loading platform wheel loading and unloading lifting jack

Abstract

A heavy loading platform wheel loading and unloading lifting jack is characterized in that a longitudinal bottom plate is arranged at the lower end of the left side of a frame body, two rolling wheels are arranged on the front side and the rear side of the lower end of the bottom plate, a rolling wheel is arranged on the right side of the frame body, and two connecting ends of the lower end of a pushing handle are connected with corresponding positions of the upper end of the bottom plate; the right side of the pump body is connected with the left side of a lifting arm arranged at the upper end of the right side of the frame body to drive the right side of the lifting arm to ascend and descend. The lifting device has the advantages that the wheels of the heavy loading platform can be lifted and lifted quickly and stably, the requirements for quick loading and unloading of the wheels are met, and the wheel replacement process is quick and stable.

Description

Technical Field

[0001] This utility model patent relates to a heavy-duty cargo trolley loading and unloading lift. Background Technology

[0002] The existing heavy-duty loading platform is very difficult to lift when loading and unloading wheels, and it is unstable and prone to displacement, making wheel replacement inconvenient. Utility Model Content

[0003] The purpose of this utility model is to solve existing technical problems by proposing a heavy-duty cargo trolley loading and unloading lift.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: a heavy-duty cargo platform wheel loading and unloading lift, comprising a frame, a pump body, a lifting arm, a support, a pusher, and a handle. The lower left side of the frame has a longitudinal base plate with two rollers on the front and rear sides of the lower end of the base plate. The right side of the frame has one roller. The two connecting ends of the lower end of the pusher are connected to the corresponding positions on the upper end of the base plate. The upper left side of the frame has a pump body with a handle on the left side. The right side of the pump body is connected to the left side of the lifting arm located on the upper right side of the frame, driving the right side of the lifting arm to lift and lower. The upper right side of the lifting arm has a support for fixing the wheel.

[0005] Furthermore, the pump body is equipped with valves for controlling the pump body's closure and venting.

[0006] Furthermore, a roller is provided on the right side of the frame, with both its lower end and right side protruding from the frame.

[0007] Furthermore, the two side walls at the upper end of the frame form an installation cavity. The front and rear walls on the left side of the pump body are fixedly and rotatably connected to the two side walls by bolts. The hydraulic rod on the right side of the pump body is connected to the rotatable shaft at the lower left end of the lifting arm. The upper left end of the lifting arm is fixedly and rotatably connected to the two side walls by bolts. The right side of the lifting arm is rotatably connected to the support.

[0008] Furthermore, the front and rear walls on the left side of the lifting arm are each equipped with a connecting rod. One end of the two connecting rods is rotatably connected to the front and rear walls on the left side of the lifting arm by bolts, and the other end of the two connecting rods is rotatably connected to the lower end of the support by a shaft.

[0009] Furthermore, a spring connection hole is provided on the front and rear walls on the left side of the lifting arm, and another spring connection hole is provided on the two side walls of the frame located on the left side of the pump body. One end of the two tension springs is set in one spring connection hole, and the other end of the two tension springs is set in another spring connection hole.

[0010] Furthermore, the two side walls at the upper end of the frame form an installation cavity, and a limiting shaft is provided on the lower side of the lifting arm.

[0011] Furthermore, the upper end of the support has an open frame-shaped recess near the lifting arm, and the front and rear side walls of the support have U-shaped slots, with the open frame-shaped recess higher than the U-shaped slots.

[0012] Furthermore, the right end of the handle is connected to the protruding shaft at the upper end of the pump body, and an oil drive rod is provided on the rear side of the right end of the handle. The drive rod extends into the pump body and slides and seals with the pump body.

[0013] The beneficial effects of this utility model are: it can lift the wheels of the heavy loading platform, enabling rapid and stable lifting, facilitating the quick loading and unloading of wheels, and making the wheel replacement process fast and stable. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this patent.

[0015] Figure 2 This is a schematic diagram of the frame structure.

[0016] Figure 3 This is a schematic diagram of the pump body and lifting arm assembly. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0018] Example 1 combined with appendix Figure 1-3 A heavy-duty cargo platform wheel loading and unloading lift includes a frame 1, a pump body 2, a lifting arm 3, a support 4, a pusher 5, and a handle 6. The lower left side of the frame has a longitudinal base plate 7, with two rollers 8 on the front and rear sides of the lower end of the base plate. The right side of the frame has a roller. The two connecting ends of the lower end of the pusher 5 are connected to the corresponding positions on the upper end of the base plate 7. The upper left side of the frame 1 has a pump body 2, and the handle 6 of the pump body 2 is located on the left side of the pump body. The right side of the pump body is connected to the left side of the lifting arm 3 located on the upper right side of the frame, driving the right side of the lifting arm to lift and lower. The upper right side of the lifting arm has a support 4 for fixing the wheel.

[0019] A heavy-duty cargo trolley loading and unloading lift, wherein the pump body is provided with a valve 9 for controlling the closing and venting of the pump body.

[0020] A heavy-duty cargo platform loading and unloading lift has a roller on the right side of the frame, which protrudes from both the lower end and the right side of the frame.

[0021] A heavy-duty cargo platform loading and unloading lift has two side walls at the upper end of the frame forming an installation cavity. The front and rear walls of the left side of the pump body are fixedly and rotatably connected to the two side walls by bolts. The hydraulic rod 17 on the right side of the pump body is connected to the rotatable shaft at the lower left end of the lifting arm. The upper left end of the lifting arm is fixedly and rotatably connected to the two side walls by bolts. The right side of the lifting arm is rotatably connected to the support.

[0022] A heavy-duty cargo platform loading and unloading lift has connecting rods 10 on the front and rear walls of the left side of the lifting arm. One end of the two connecting rods is rotatably connected to the front and rear walls of the left side of the lifting arm by bolts, and the other end of the two connecting rods is rotatably connected to the lower end of the support by a shaft.

[0023] A heavy-duty cargo platform loading and unloading lift has a spring connection hole 18 on the front and rear walls of the left side of the lifting arm, and another spring connection hole on the two side walls of the frame located on the left side of the pump body. One end of two tension springs is set in one spring connection hole, and the other end of two tension springs 11 is set in another spring connection hole.

[0024] A heavy-duty cargo trolley loading and unloading lift has two side walls at the upper end of the frame forming an installation cavity, and a limiting shaft 12 is provided on the lower side of the lifting arm.

[0025] A heavy-duty cargo platform loading and unloading lift has an open frame-shaped recess 13 on the side arm near the lifting arm at the upper end of the support, and U-shaped slots 14 on the front and rear side walls of the support, with the open frame-shaped recess higher than the U-shaped slots.

[0026] A heavy-duty cargo platform wheel loading and unloading lift has a handle with the right end connected to a protrusion 15 on the upper end of the pump body. An oil drive rod 16 is provided on the rear side of the right end of the handle, and the drive rod extends into the pump body and slides and seals with the pump body.

[0027] A heavy-duty cargo trolley loading and unloading lift with a handle-controlled valve.

[0028] A heavy-duty cargo platform wheel loading and unloading lift. Before using the lift, please close the valve with the handle, then press down the push handle by hand to lift the wheel to the required height, and then use the hydraulic pump to adjust the lifting arm to meet the vertical height of the wheel.

[0029] A heavy-duty cargo platform wheel loading and unloading lift, the operation method is as follows: When using the lift, please lower the lifting arm to the lowest position, place the middle crossbeam of the wheel in the U-shaped slot of the support, press the pusher to the appropriate position, and after the middle crossbeam of the wheel rises to the appropriate position, the wheel can be installed and removed.

[0030] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A heavy-duty cargo trolley loading and unloading lift, comprising a frame, a pump body, a lifting arm, a support, a pusher, and a handle, characterized in that: The lower left side of the frame has a longitudinal base plate with two rollers on the front and rear sides of the lower end. There is one roller on the right side of the frame. The two connecting ends of the push handle are connected to the corresponding positions on the upper end of the base plate. The upper left side of the frame has a pump body with the pump handle on the left side. The right side of the pump body is connected to the left side of the lifting arm located on the upper right side of the frame, driving the right side of the lifting arm to lift and lower. The upper right side of the lifting arm has a support for fixing the wheel.

2. The heavy-duty cargo trolley loading and unloading lift according to claim 1, characterized in that: The pump body is equipped with valves for controlling the pump body's closure and venting.

3. The heavy-duty cargo trolley loading and unloading lift according to claim 1, characterized in that: There is a roller on the right side of the frame that protrudes from the frame at both the lower end and the right side.

4. The heavy-duty cargo trolley loading and unloading lift according to claim 1, characterized in that: The two side walls at the top of the frame form an installation cavity. The front and rear walls on the left side of the pump body are fixedly and rotatably connected to the two side walls by bolts. The hydraulic rod on the right side of the pump body is connected to the rotatable shaft at the lower left side of the lifting arm. The upper left side of the lifting arm is fixedly and rotatably connected to the two side walls by bolts. The right side of the lifting arm is rotatably connected to the support.

5. A heavy-duty cargo trolley loading and unloading lift according to claim 4, characterized in that: The front and rear walls on the left side of the lifting arm are each equipped with a connecting rod. One end of the two connecting rods is rotatably connected to the front and rear walls on the left side of the lifting arm by bolts, and the other end of the two connecting rods is rotatably connected to the lower end of the support by a shaft.

6. A heavy-duty cargo trolley loading and unloading lift according to claim 5, characterized in that: There is a spring connection hole on the front and rear walls of the left side of the lifting arm. There is another spring connection hole on the two side walls of the frame located on the left side of the pump body. One end of the two tension springs is set in one spring connection hole, and the other end of the two tension springs is set in another spring connection hole.

7. A heavy-duty cargo trolley loading and unloading lift according to claim 6, characterized in that: The two side walls at the upper end of the frame form an installation cavity located on the lower side of the lifting arm, and a limiting shaft is provided.

8. A heavy-duty cargo trolley loading and unloading lift according to claim 7, characterized in that: The upper end of the support has an open frame-shaped recess on the side arm near the lifting arm, and the front and rear side walls of the support have U-shaped slots, with the open frame-shaped recess higher than the U-shaped slots.

9. A heavy-duty cargo trolley loading and unloading lift according to claim 1, characterized in that: The right end of the handle is connected to the protruding shaft at the top of the pump body. An oil drive rod is located on the rear side of the right end of the handle. The drive rod extends into the pump body and slides and seals with the pump body.

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