Magnetic control regulating valve applied to hydraulic double-speed motor
By designing a magnetron control valve on a hydraulic dual-speed motor, using the transverse adjustment rod and annular flow channel structure, the problem that traditional control valves cannot cope with different displacement conditions is solved, and more efficient speed regulation and improvement are achieved Low internal resistance improves the overall performance of the hydraulic motor.
Patent Information
- Application Number
- CN202420513909.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-15
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-03-15
AI Technical Summary
The traditional cycloid hydraulic motor control valve has a single control method and cannot effectively respond to the needs under different displacement conditions, resulting in large internal resistance during speed regulation, making it difficult to achieve optimal efficiency, and causing waste of success rate.
A magnetron control valve applied to hydraulic dual-speed motor is designed, adopting an external valve housing and a built-in control valve housing structure, and the translation of the transverse control valve core is controlled through a transverse control strut to adjust the connection of the external liquid inlet cover. In this state, combined with an annular flow channel and an internal flow shield, more flexible flow control is achieved.
It improves the convenience and applicability of adjustment operation, improves the efficiency of the two-speed cycloid hydraulic motor under different displacement conditions, reduces the internal hydraulic impact force, and ensures flow diversion and sealing.
Smart Images
Figure CN222141651U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cycloid hydraulic motor speed regulation, in particular to a magnetically controlled regulating valve applied to a hydraulic dual-speed motor. Background Art
[0002] The traditional cycloid hydraulic motor is a fixed displacement motor with a wide range of uses, mainly used in the rotary mechanism of various machinery such as agriculture, fishery, light industry, lifting and transportation, mining, engineering machinery, etc. In order to meet the requirements of various equipment working conditions, it is necessary to set corresponding displacements for different motors. However, the optimal efficiency zone of the speed of cycloid motors with different displacements is also different, and the regulating valve of the cycloid hydraulic motor can only simply control the opening and closing, and the control method is relatively simple. It cannot meet the needs of the existing two-speed cycloid hydraulic motor under different displacement conditions. The internal resistance is relatively large during speed regulation, and it is difficult to achieve the optimal efficiency, resulting in power waste. Utility Model Content
[0003] The technical problem to be solved by the utility model is that: at present, the regulating valve of the cycloid hydraulic motor can only simply control the opening and closing, and the control method is relatively simple. It is unable to meet the needs of the existing two-speed cycloid hydraulic motor under different displacement conditions. When adjusting the speed, the internal resistance is relatively large, and it is difficult to achieve the best efficiency, resulting in power waste.
[0004] The technical solution adopted by the utility model to solve its technical problems is: a magnetically controlled regulating valve applied to a hydraulic dual-speed motor, comprising an external valve shell installed on the outer side wall of the dual-speed motor, a built-in regulating valve shell fixedly installed inside the external valve shell, an external main liquid inlet cover, a first external liquid inlet cover, a second external liquid inlet cover and an external main liquid discharge cover are arranged on the outer side surface of the built-in regulating valve shell, a horizontal regulating valve core is slidably arranged inside the built-in regulating valve shell, a horizontal regulating strut for controlling the horizontal regulating valve core is fixed on the inner wall of the built-in regulating valve shell adjacent to the external main liquid discharge cover, and an annular guide groove matching the external main liquid inlet cover, the first external liquid inlet cover and the second external liquid inlet cover is provided on the outer arc surface of the horizontal regulating valve core.
[0005] An internal flow guide cover is elastically mounted inside the annular flow guide groove.
[0006] Internal positioning sealing grooves are provided on the inner side surface of the external valve housing at positions corresponding to the external main liquid inlet cover, the first external liquid inlet cover, the second external liquid inlet cover and the external main liquid discharge cover.
[0007] The inner side surface of the built-in regulating valve housing is located on one side of the external main liquid inlet cover and has an inner limit block protruding inwardly, and the side wall of the internal flow guide cover is provided with an inner positioning groove matched with the inner limit block.
[0008] The upper and lower side walls of the external main liquid inlet cover and the external main liquid discharge cover are provided with arc-shaped first flow guide ports, and the lower side walls of the first external liquid inlet cover and the second external liquid inlet cover are provided with arc-shaped second flow guide ports.
[0009] The inner walls on both sides of the annular guide groove and the inner side surface of the internal guide cover are provided with arc-shaped guide surfaces that match each other.
[0010] The beneficial effects of the utility model are:
[0011] (1) The utility model is a magnetically controlled regulating valve applied to a hydraulic dual-speed motor. The horizontal regulating strut is used to control the horizontal regulating valve core to translate in the internal regulating valve housing, thereby controlling the connection state between the external main liquid inlet cover and the first external liquid inlet cover and the second external liquid inlet cover. The regulating operation is convenient.
[0012] (2) The connection state between the first external liquid inlet cover and the second external liquid inlet cover is changed according to actual working conditions, so as to meet the needs of the existing two-speed cycloid hydraulic motor under different displacement conditions, and the applicability and efficiency are greatly improved;
[0013] (3) The detachable structure design makes it easier to replace the device later and reduces the difficulty of use;
[0014] (4) By elastically assembling an internal guide cover inside the annular guide groove, the internal hydraulic impact force can be reduced, thereby ensuring the internal flow conductivity of the horizontally placed regulating valve core. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0016] Figure 1 It is a structural schematic diagram of the utility model.
[0017] Figure 2 It is a general assembly schematic diagram of the utility model. DETAILED DESCRIPTION
[0018] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.
[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" 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 mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0020] Figure 1 and Figure 2 A magnetically controlled regulating valve for a hydraulic dual-speed motor is shown, comprising an external valve housing 1 mounted on the outer side wall of the dual-speed motor, a built-in regulating valve housing 2 fixedly mounted inside the external valve housing 1, an external main liquid inlet cover 3, a first external liquid inlet cover 4, a second external liquid inlet cover 5 and an external main liquid discharge cover 6 being arranged on the outer side surface of the built-in regulating valve housing 2, a transverse regulating valve core 7 being slidingly mounted inside the built-in regulating valve housing 2, a transverse regulating strut 8 for controlling the transverse regulating valve core 7 being fixed on the inner wall of the built-in regulating valve housing 2 adjacent to the external main liquid discharge cover 6, an annular guide groove 9 matching the external main liquid inlet cover 3, the first external liquid inlet cover 4 and the second external liquid inlet cover 5 being provided on the outer arc surface of the transverse regulating valve core 7.
[0021] The transverse regulating strut 8 controls the transverse regulating valve core 7 to be adjusted transversely inside the built-in regulating valve housing 2 by telescoping. The annular guide groove 9 is always connected with the external main liquid inlet cover 3. The connection state of the annular guide groove 9 and the first external liquid inlet cover 4 and the second external liquid inlet cover 5 is adjusted. When the annular guide groove 9 is connected with the external main liquid inlet cover 3, the first external liquid inlet cover 4 and the second external liquid inlet cover 5, the internal flow rate can be increased and the pressure can be reduced; when the annular guide groove 9 is connected with the external main liquid inlet cover 3 and the first external liquid inlet cover 4, the internal flow rate can be reduced and the pressure can be increased.
[0022] In order to cooperate with the internal buffer and reduce the impact, the annular guide groove 9 is elastically equipped with an internal guide cover 10.
[0023] In order to improve assembly stability and sealing performance, internal positioning sealing grooves 11 are provided on the inner side of the external valve housing 1 corresponding to the positions of the external main liquid inlet cover 3 , the first external liquid inlet cover 4 , the second external liquid inlet cover 5 and the external main liquid discharge cover 6 .
[0024] An assembly groove matching the internal positioning sealing groove 11 is also provided on the outer wall of the dual-speed motor, so that the built-in regulating valve housing 2 can be conveniently assembled and fixed when the dual-speed motor is assembled with the external valve housing 1, thereby improving the space sealing.
[0025] In order to cooperate with internal limiting and assembly, the inner side surface of the built-in regulating valve housing 2 located on the side of the external main liquid inlet cover 3 has an inwardly protruding internal limiting block 12, and the side wall of the internal guide cover 10 is provided with an internal positioning groove that matches the internal limiting block 12.
[0026] In order to cooperate with the lateral liquid inlet and discharge, an arc-shaped first guide port 13 is opened on the upper and lower side walls of the external main liquid inlet cover 3 and the external main liquid discharge cover 6, and an arc-shaped second guide port 14 is opened on the lower side wall of the first external liquid inlet cover 4 and the second external liquid inlet cover 5.
[0027] In order to reduce the internal resistance and improve the inner flow conductivity, the inner walls on both sides of the annular flow guide groove 9 and the inner side surface of the internal flow guide cover 10 are provided with arc-shaped flow guide surfaces that match each other.
[0028] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.
Claims
1. A magnetically controlled regulating valve for a hydraulic dual-speed motor, comprising an outer valve housing (1) mounted on an outer side wall of the dual-speed motor, wherein: The external valve housing (1) is fixedly equipped with an internal regulating valve housing (2), and the external surface of the internal regulating valve housing (2) is provided with an external main liquid inlet cover (3), a first external liquid inlet cover (4), a second external liquid inlet cover (5) and an external main liquid discharge cover (6). The internal of the internal regulating valve housing (2) is slidably equipped with a transverse regulating valve core (7), and a transverse regulating strut (8) for controlling the transverse regulating valve core (7) is fixed on the inner wall of the internal regulating valve housing (2) on the side adjacent to the external main liquid discharge cover (6). An annular guide groove (9) matching with the external main liquid inlet cover (3), the first external liquid inlet cover (4) and the second external liquid inlet cover (5) is provided on the outer arc surface of the transverse regulating valve core (7).
2. According to claim 1, a magnetically controlled regulating valve for a hydraulic dual-speed motor is characterized in that: An internal flow guide cover (10) is elastically mounted inside the annular flow guide groove (9).
3. The magnetically controlled regulating valve for a hydraulic dual-speed motor according to claim 1 is characterized in that: Internal positioning sealing grooves (11) are provided on the inner side surface of the external valve housing (1) at positions corresponding to the external main liquid inlet cover (3), the first external liquid inlet cover (4), the second external liquid inlet cover (5) and the external main liquid discharge cover (6).
4. The magnetically controlled regulating valve for a hydraulic dual-speed motor according to claim 2 is characterized in that: The inner side surface of the built-in regulating valve housing (2) is located on one side of the external main liquid inlet cover (3) and has an inner limit block (12) protruding inwardly, and the side wall of the internal flow guide cover (10) is provided with an inner positioning groove that matches the inner limit block.
5. The magnetically controlled regulating valve for a hydraulic dual-speed motor according to claim 1 is characterized in that: The upper and lower side walls of the external main liquid inlet cover (3) and the external main liquid discharge cover (6) are provided with arc-shaped first flow guide openings (13), and the lower side walls of the first external liquid inlet cover (4) and the second external liquid inlet cover (5) are provided with arc-shaped second flow guide openings (14).
6. The magnetically controlled regulating valve for a hydraulic dual-speed motor according to claim 1 is characterized in that: The inner walls on both sides of the annular flow guide groove (9) and the inner side surface of the internal flow guide cover (10) are provided with arc-shaped flow guide surfaces that match each other.