Hydraulic saddle lifting mechanism
Through the design of the hydraulic saddle lifting mechanism, combined with the hydraulic cylinder, control valve group, gear pump and three-way oil circuit module, precise adjustment is achieved using an angle sensor, which solves the problems of low control accuracy and insufficient load-bearing capacity in the existing technology and achieves a lifting effect with a large stroke and high load.
Patent Information
- Application Number
- CN202422662072.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-01
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-11-01
AI Technical Summary
The existing hydraulic lifting device of the tractor has low control accuracy, small stroke and insufficient lifting capacity.
The hydraulic saddle lifting mechanism is adopted. Through the combination of hydraulic cylinder, control valve group, gear pump and three-way oil circuit module, combined with angle sensor, precise lifting adjustment is achieved. The two-stage stroke hydraulic cylinder is used to improve the lifting stroke and load-bearing capacity.
It achieves precise lifting control and a large-stroke lifting effect, and improves the carrying capacity of the device.
Smart Images
Figure CN223420574U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lifting mechanisms, in particular to a hydraulic saddle lifting mechanism. Background Art
[0002] The hydraulic lifting mechanism is a crucial mechanism for loading and unloading cargo on tractors. It allows for rapid loading and unloading of cargo boxes or containers within ports, significantly improving logistics and transportation efficiency. Existing hydraulic lifting devices on tractors typically consist of a hydraulic cylinder, a hydraulic oil tank, a hydraulic oil pump, a control valve, and oil pipelines. This system uses valve switches to control the movement of the lifting valve, which in turn controls the hydraulic cylinder's lift. This approach suffers from low control accuracy, a short cylinder stroke, and a low lifting capacity. Therefore, those skilled in the art have proposed a hydraulic saddle lifting mechanism to address the issues raised in the aforementioned background technology. Utility Model Content
[0003] The purpose of the utility model is to provide a hydraulic saddle lifting mechanism to solve the problems raised in the above background technology.
[0004] To achieve the above-mentioned object, the present invention provides the following technical solution: a hydraulic saddle lifting mechanism, comprising a frame assembly, wherein the frame assembly is connected to a saddle body via a rotatably mounted lifting assembly, the frame assembly is provided with a hydraulic cylinder connected to the lifting assembly and a drive member for controlling the operation of the hydraulic cylinder, and the lifting assembly is installed with an angle sensor;
[0005] The driving component includes a hydraulic oil tank, a control valve group, a gear pump, a three-way oil circuit module and a hydraulic pipeline. The hydraulic oil tank installed on one side of the frame assembly is connected to the control valve group through a hydraulic pipeline. The control valve group is connected to the gear pump through a hydraulic pipeline. The gear pump is connected to the three-way oil circuit module through a hydraulic pipeline. The three-way oil circuit module is connected to the hydraulic cylinder through a hydraulic pipeline.
[0006] Preferably, the hydraulic cylinder is a two-stage stroke hydraulic cylinder.
[0007] Preferably, the lifting assembly includes a first frame rod rotatably connected to the frame assembly via a bearing, and two groups of lifting arms detachably connected to the saddle body are symmetrically welded on the first frame rod, and an angle sensor is installed on one group of the lifting arms.
[0008] Preferably, the lifting assembly further comprises a connecting frame installed between the two sets of lifting arms, and the connecting frame is rotatably connected to the output end of the hydraulic cylinder.
[0009] Preferably, the hydraulic oil tank is detachably connected to the frame assembly via multiple sets of bolts.
[0010] Compared with the prior art, the beneficial effects of the present invention are:
[0011] 1. In the utility model, the front end of the hydraulic cylinder is connected to a control valve group and a gear pump through a hydraulic pipeline, and an angle sensor is connected to the saddle. The gear pump is controlled by the control valve group to adjust the amount of hydraulic oil to realize the lifting and lowering of the rear end two-stage hydraulic cylinder, which can achieve precise lifting adjustment, and the overall lifting stroke of the device is large and the carrying capacity is also large. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0013] Figure 2 It is a top view of the overall structure of the utility model.
[0014] In the figure: 1. Frame assembly; 2. Saddle body; 3. Hydraulic cylinder; 4. Angle sensor; 5. Hydraulic oil tank; 6. Control valve group; 7. Gear pump; 8. Three-way oil circuit module; 9. Hydraulic pipeline; 10. First frame rod; 11. Lifting arm; 12. Connecting frame. DETAILED DESCRIPTION
[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0016] See also Figures 1 and 2 In an embodiment of the utility model, a hydraulic saddle lifting mechanism includes a frame assembly 1, a saddle body 2 is connected to the frame assembly 1 through a rotatably mounted lifting component, a hydraulic cylinder 3 connected to the lifting component and a driving component for controlling the operation of the hydraulic cylinder 3 are provided on the frame assembly 1, an angle sensor 4 is installed on the lifting component, and the rotation of the lifting component is controlled by the driving component. The rotating lifting component can drive the saddle body 2 to rise and fall.
[0017] Specifically, the driving components include a hydraulic oil tank 5, a control valve group 6, a gear pump 7, a three-way oil circuit module 8 and a hydraulic pipeline 9. The hydraulic oil tank 5 installed on one side of the frame assembly 1 is connected to the control valve group 6 through the hydraulic pipeline 9, the control valve group 6 is connected to the gear pump 7 through the hydraulic pipeline 9, the gear pump 7 is connected to the three-way oil circuit module 8 through the hydraulic pipeline 9, and the three-way oil circuit module 8 is connected to the hydraulic cylinder 3 through the hydraulic pipeline 9.
[0018] The gear pump 7 relies on the volume change of the gear meshing space to transport the liquid. The information monitored by the angle sensor 4 is fed back to the drive component through the central controller. The control valve group 6 and the gear pump 7 are added to the oil pipeline and combined with the angle information provided by the angle sensor 4 installed on the lifting component to achieve precise lifting stroke adjustment control. Among them, the hydraulic cylinder 3 is a two-stage stroke hydraulic cylinder, which can easily achieve a high lifting effect. The angle sensor 4 can be selected from common models in the existing technology according to the actual use of the device. Figure 1 The middle dotted line shows the corresponding position of the saddle body 2 after it is lifted to a certain height.
[0019] In one embodiment, specifically, the lifting assembly includes a first frame rod 10 rotatably connected to the frame assembly 1 through a bearing, and two groups of lifting arms 11 detachably connected to the saddle body 2 are symmetrically welded on the first frame rod 10, one group of lifting arms 11 is installed with an angle sensor 4, further, the lifting assembly also includes a connecting frame 12 installed between the two groups of lifting arms 11, the connecting frame 12 is rotatably connected to the output end of the hydraulic cylinder 3, can provide high-strength support for the saddle body 2, and the overall lifting operation is stable.
[0020] The hydraulic oil tank 5 is detachably connected to the frame assembly 1 through multiple sets of bolts, which can facilitate the assembly of components and the frame assembly 1.
[0021] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A hydraulic saddle lifting mechanism, comprising a frame assembly (1), characterized in that: The frame assembly (1) is connected to a saddle body (2) via a rotatably mounted lifting assembly, the frame assembly (1) is provided with a hydraulic cylinder (3) connected to the lifting assembly and a driving member for controlling the operation of the hydraulic cylinder (3), and an angle sensor (4) is installed on the lifting assembly; The driving component comprises a hydraulic oil tank (5), a control valve group (6), a gear pump (7), a three-way oil circuit module (8) and a hydraulic pipeline (9); the hydraulic oil tank (5) installed on one side of the frame assembly (1) is connected to the control valve group (6) through the hydraulic pipeline (9); the control valve group (6) is connected to the gear pump (7) through the hydraulic pipeline (9); the gear pump (7) is connected to the three-way oil circuit module (8) through the hydraulic pipeline (9); and the three-way oil circuit module (8) is connected to the hydraulic cylinder (3) through the hydraulic pipeline (9).
2. The hydraulic saddle lifting mechanism according to claim 1, characterized in that: The hydraulic cylinder (3) is a two-stage stroke hydraulic cylinder.
3. The hydraulic saddle lifting mechanism according to claim 1, characterized in that: The lifting assembly comprises a first frame rod (10) rotatably connected to the frame assembly (1) via a bearing, two groups of lifting arms (11) detachably connected to the saddle body (2) are symmetrically welded to the first frame rod (10), and an angle sensor (4) is installed on one group of the lifting arms (11).
4. The hydraulic saddle lifting mechanism according to claim 3, characterized in that: The lifting assembly further comprises a connecting frame (12) installed between the two sets of lifting arms (11), and the connecting frame (12) is rotatably connected to the output end of the hydraulic cylinder (3).
5. The hydraulic saddle lifting mechanism according to claim 1, characterized in that: The hydraulic oil tank (5) is detachably connected to the vehicle frame assembly (1) via multiple groups of bolts.