Low-speed large-torque hydraulic motor integrated with steering mechanism

Abstract

The utility model discloses a low-speed large-torque hydraulic motor integrated with a steering mechanism, which comprises a stator, a rotor assembly, a wheel output assembly, a double-speed flow distribution assembly and a C-shaped base, the double-speed flow distribution assembly is provided with a liquid inlet and a liquid outlet, the C-shaped base is provided with an upper machine arm and a lower machine arm, the upper machine arm is fixedly connected with a connecting seat, and the lower machine arm is fixedly connected with the connecting seat. A connecting shaft is fixedly connected to the lower arm, the double-speed flow distribution assembly is rotationally connected to the connecting shaft and the connecting base, the connecting base is provided with a base liquid inlet channel and a base liquid outlet channel, one end of the base liquid inlet channel is connected with the outside, the other end of the base liquid inlet channel is connected with the liquid inlet, one end of the base liquid outlet channel is connected with the outside, and the other end of the base liquid outlet channel is connected with the liquid outlet. According to the hydraulic motor, the C-shaped machine base for achieving motor installation is integrated on the hydraulic motor, the C-shaped machine base can also be used for being connected with equipment, after the oil cylinders are arranged on the two sides of the hydraulic motor, the hydraulic motor can steer relative to the C-shaped machine base, the overall function is complete, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic motors, and more specifically, to a low-speed high-torque hydraulic motor integrated with a steering mechanism. Background Art

[0002] At present, the steering of wheeled vehicles generally adopts the form of a steering axle to achieve vehicle steering. The principle is that it uses the steering knuckles in the axle to deflect the wheels at both ends by a certain angle to achieve vehicle steering. The traditional form of the steering axle occupies a large inner diameter of the steering wheel, and the connecting oil pipe rotates with the rotation of the wheel. Accordingly, our company conducts research and development on steerable wheel motors, and realizes vehicle steering by improving the connection method of the steering mechanism and the research and development of centralized oil supply, so as to propose a low-speed high-torque hydraulic motor integrated with a steering mechanism. Summary of the Utility Model

[0003] The purpose of the utility model is to overcome the deficiencies in the above-mentioned prior art and provide a low-speed high-torque hydraulic motor integrated with a steering mechanism.

[0004] To solve the above technical problems, the purpose of the utility model is realized as follows: A low-speed high-torque hydraulic motor integrated with a steering mechanism according to the utility model includes a stator, a rotor assembly, a wheel output assembly, and a two-speed flow distribution assembly. The two-speed flow distribution assembly is provided with a liquid inlet and a liquid outlet, and further includes a C-shaped machine base. The C-shaped machine base is provided with an upper machine arm and a lower machine arm. A connecting seat is fixedly connected to the upper machine arm, and a connecting shaft is fixedly connected to the lower machine arm. The two-speed flow distribution assembly is arranged between the connecting seat and the connecting shaft, and the two-speed flow distribution assembly is rotatably connected to the connecting shaft and the connecting seat. A machine base liquid inlet channel and a machine base liquid outlet channel are arranged on the connecting seat. One end of the machine base liquid inlet channel is connected to the outside, and the other end is connected to the liquid inlet. One end of the machine base liquid outlet channel is connected to the outside, and the other end is connected to the liquid outlet.

[0005] The utility model is further arranged as: Steering connection parts are respectively arranged on the left and right sides of the stator.

[0006] The utility model is further arranged as: The included angle between the rotation axis of the two-speed flow distribution assembly and the rotation axis of the rotor assembly is greater than 90° and less than 120°.

[0007] The utility model is further arranged as: The included angle between the rotation axis of the two-speed flow distribution assembly and the rotation axis of the rotor assembly is 97°.

[0008] In summary, the present utility model has the following beneficial effects: The low-speed high-torque hydraulic motor with an integrated steering mechanism involved in the present utility model realizes the C-shaped seat for motor installation by integration on the hydraulic motor. The C-shaped seat can also be used to connect with equipment. And after the hydraulic motor is configured with oil cylinders on both sides, it can turn relative to the C-shaped seat, with the overall function being complete and the practicability being strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 is the overall structural schematic diagram of the present utility model;

[0010] Figure 2 is the internal structural schematic diagram of the present utility model;

[0011] Figure 3 is the partial structural schematic diagram of the present utility model;

[0012] Figure 4 is the structural schematic diagram of the present utility model for embodying the two-speed flow distribution component;

[0013] Figure 5 is the structural schematic diagram of the present utility model for embodying the wheel output component. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0014] In order to enable those skilled in the art to better understand the technical solution of the present utility model, the preferred implementation schemes of the present utility model will be described below in conjunction with specific embodiments. However, it should be understood that these descriptions are only for further explaining the features and advantages of the present utility model, rather than limiting the patent requirements of the present utility model. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0015] The present utility model will be further described below in conjunction with the drawings and preferred embodiments.

[0016] Embodiment 1

[0017] See Figures 1 to 5As shown in the figure, a low-speed high-torque hydraulic motor with an integrated steering mechanism according to this embodiment includes a stator 1, a rotor assembly 2, a wheel output assembly 3, and a two-speed flow distribution assembly 4. The two-speed flow distribution assembly 4 is provided with an inlet and an outlet. It also includes a C-shaped machine base 5. The C-shaped machine base 5 is provided with an upper arm 51 and a lower arm 52. A connecting seat 53 is fixedly connected to the upper arm 51, and a connecting shaft 54 is fixedly connected to the lower arm 52. The two-speed flow distribution assembly 4 is arranged between the connecting seat 53 and the connecting shaft 54. The two-speed flow distribution assembly 4 is rotatably connected to the connecting shaft 53 and the connecting seat 54. The connecting seat 53 is provided with a machine base inlet channel (not marked) and a machine base outlet channel (not marked). One end of the machine base inlet channel is connected to the outside and the other end is connected to the inlet. One end of the machine base outlet channel is connected to the outside and the other end is connected to the outlet.

[0018] Furthermore, steering connection parts 6 are respectively arranged on the left and right sides of the stator 1.

[0019] Furthermore, the included angle between the rotation axis of the two-speed flow distribution assembly 4 and the rotation axis of the rotor assembly 2 is 97°.

[0020] In this embodiment, a low-speed high-torque hydraulic motor with an integrated steering mechanism is disclosed, with a displacement of 2294 ml / r, a maximum power of 80 kw, a maximum speed of 100 r / min, a rated working pressure of 31.5 Mpa, a maximum working pressure of 40 MPa, and a rated torque of 10300 N·m. A special steering mechanism is designed to simultaneously achieve fixed and steering functions. The C-shaped machine base is fixed on the vehicle body, and at the same time, the hydraulic motor can be fixed on the C-shaped machine base. The hydraulic motor and the C-shaped machine base are connected by a connecting shaft and a connecting seat to achieve steering. When steering, the C-shaped machine base is fixed and the hydraulic motor rotates. A special flow distribution disk seat (i.e., the two-speed flow distribution assembly 4) is designed. Special structures are arranged on both sides of the flow distribution disk seat and are connected to an oil cylinder (not shown) to use the oil cylinder as the power for steering. The flow distribution disk seat is designed with a special flow channel. The oil inlet is arranged at the part connected to the C-shaped machine base. At the same time, holes are opened on the C-shaped machine base, and a middle conduit, an outer conduit, and a connecting seat are set to extend the oil inlet of the hydraulic motor to the C-shaped machine base for centralized oil supply. At the same time, during the steering of the hydraulic motor, the function of the oil pipe remaining stationary is achieved.

[0021] The low-speed high-torque hydraulic motor with an integrated steering mechanism according to the present utility model integrates a C-shaped machine base for installing the hydraulic motor on the hydraulic motor. The C-shaped machine base can also be used to connect to equipment. And after the hydraulic motor is equipped with oil cylinders on both sides, it can rotate relative to the C-shaped machine base, with a complete overall function and strong practicability.

[0022] Unless otherwise specified, in this utility model, if there are terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial direction", "radial direction", "circumferential direction", etc., the orientation or positional relationship indicated is based on the actual orientation or positional relationship shown. It is only for the convenience of describing this utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms used to describe the orientation or positional relationship in this utility model are only for illustrative purposes and cannot be construed as a limitation on this patent. For those of ordinary skill in the art, the specific meanings of the above terms can be understood in combination with the embodiments and according to specific circumstances.

[0023] Unless otherwise clearly defined and limited, in this utility model, if there are terms such as "arranged", "connected" and "coupled", they should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0024] The preferred specific embodiments of this utility model have been described in detail above. It should be understood that those of ordinary skill in the art can make many modifications and variations based on the concept of this utility model without creative labor. Therefore, all technical solutions that can be obtained by those skilled in the art in the technical field of this application based on the concept of this utility model through logical analysis, reasoning, or limited experiments on the basis of the prior art should be within the protection scope determined by the claims.

Claims

1. A low-speed, high-torque hydraulic motor with integrated steering mechanism, comprising a stator, a rotor assembly, a wheel output assembly and a dual-speed flow distribution assembly, wherein the dual-speed flow distribution assembly is provided with a liquid inlet and a liquid outlet, and is characterized in that: It also includes a C-shaped machine base, on which an upper machine arm and a lower machine arm are provided, the upper machine arm is fixedly connected to a connecting seat, the lower machine arm is fixedly connected to a connecting shaft, the dual-speed flow distribution component is arranged between the connecting seat and the connecting shaft, the dual-speed flow distribution component is rotatably connected to the connecting shaft and the connecting seat, the connecting seat is provided with a machine base liquid inlet channel and a machine base liquid outlet channel, one end of the machine base liquid inlet channel is connected to the outside world, and the other end is connected to the liquid inlet port, and one end of the machine base liquid outlet channel is connected to the outside world, and the other end is connected to the liquid outlet port.

2. The low-speed, high-torque hydraulic motor with integrated steering mechanism according to claim 1, characterized in that: The left and right sides of the stator are respectively provided with steering connection parts.

3. The low-speed, high-torque hydraulic motor integrated with a steering mechanism according to claim 1 or 2, characterized in that: The angle between the rotation axis of the dual-speed flow distribution component and the rotation axis of the rotor assembly is greater than 90° and less than 120°.

4. The low-speed, high-torque hydraulic motor integrated with a steering mechanism according to claim 3, characterized in that: The angle between the rotation axis of the dual-speed flow distribution component and the rotation axis of the rotor assembly is 97°.

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