Method for oiling a linked multi-capstan
By installing a reversing valve and a pressure compensation valve in the winch control panel, the flow of hydraulic oil to the bidirectional hydraulic motor is controlled, solving the problem of multi-winch linkage oil supply and achieving precise control and efficiency improvement.
Patent Information
- Application Number
- CN202411438294.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-15
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2044-10-15
AI Technical Summary
The problem of how to supply oil to multiple winches simultaneously without affecting each other when they are linked.
A winch control panel is connected to the winch, and a reversing valve and a pressure compensation valve are installed. The hydraulic oil flow to the bidirectional hydraulic motor is controlled by the reversing valve in the winch control panel, so as to achieve precise control of multiple winches.
It enables precise oil supply control when multiple winches are operating in tandem, improving work efficiency and rescue capabilities.
Smart Images

Figure CN119306141B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of hydraulic pump station oil supply, in particular to a kind of oil supply method of linkage multi-capstan. BACKGROUND
[0002] Hydraulic capstan is a kind of equipment using hydraulic system to provide power, its working principle is to convert pressure into mechanical energy by hydraulic oil circuit, to drive capstan rotation. When multiple hydraulic capstans need to work simultaneously, the coordinated work of multiple capstans can be achieved by connecting oil circuit, improve work efficiency and rescue ability, use the flow and pressure transmission of hydraulic oil, realize the centralized control and management of multiple capstans; in practical application, the technology of multiple hydraulic capstan connecting oil circuit is widely used in vehicle rescue, engineering construction, outdoor exploration and other fields, especially in the occasion that a large amount of traction force is needed or multiple capstans are needed to work cooperatively, the application of this technology is particularly important; the linkage between multiple capstans, firstly, how to supply oil to multiple capstans simultaneously and not be affected by each other needs to be solved. SUMMARY
[0003] The problem to be solved by the present application is how to supply oil to multiple capstans simultaneously in the linkage between multiple capstans.
[0004] To achieve the above purpose, the technical scheme of the present application is: an oil supply method for linkage multi-capstan, for supplying oil to a multi-capstan linkage system, the capstan linkage system comprising: a capstan control table and a capstan, the capstan control table being connected with the capstan, the capstan control table being provided with a reversing valve and a pressure compensation valve, one end of the reversing valve being connected with the output end of the pressure compensation valve, the other end of the reversing valve being connected with the input end of the pressure compensation valve and the capstan; a bidirectional hydraulic motor is arranged in the capstan, and both ends of the bidirectional hydraulic motor are connected with the reversing valve.
[0005] The specific steps include:
[0006] S1, push the reversing valve in the capstan control table in one direction, and the hydraulic oil is delivered to the corresponding reversing valve;
[0007] S2, the hydraulic oil flows to the pressure compensation valve through the reversing valve, and part of the hydraulic oil flows back to the reversing valve through the pressure compensation valve;
[0008] S3, the hydraulic oil flowing back to the reversing valve flows to the bidirectional hydraulic motor in the capstan;
[0009] S4, the hydraulic oil flows back to the reversing valve from the bidirectional hydraulic motor in the capstan.
[0010] The scheme is connected with the winch and the winch operating platform, the oil reversing valve is arranged in the winch operating platform, the operator pushes the reversing valve, the hydraulic oil flows into the bidirectional hydraulic motor in the winch after flowing through the reversing valve, the motor is driven to rotate, and the corresponding winch operating platform of the reversing valve only needs to be pushed when the multiple winch linkage is used, so that each winch can be accurately controlled. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 The winch operating platform hydraulic system principle diagram in the embodiment of the application;
[0012] Figure 2 The winch hydraulic system principle diagram in the embodiment of the application;
[0013] Figure 3 The structure diagram of the reversing valve in the embodiment of the application;
[0014] Figure 4 The flow chart of the application. DETAILED DESCRIPTION
[0015] The application will be further described in detail below in combination with the drawings and specific embodiments.
[0016] A method for supplying oil to a multiple winch linkage system, the winch linkage system comprising: a winch operating platform 1 and a winch 2, the winch operating platform 1 being connected with the winch 2, the winch operating platform 1 being provided with a reversing valve 11 and a pressure compensation valve 12, one end of the reversing valve 11 being connected with the output end of the pressure compensation valve 12, the other end of the reversing valve 11 being connected with the input end of the pressure compensation valve 12 and the winch 2; a bidirectional hydraulic motor 21 being arranged in the winch 2, two ends of the bidirectional hydraulic motor 21 being connected with the reversing valve 11;
[0017] The reversing valve 11 in the embodiment is a three-position nine-way valve, wherein the first 01 end of the control cavity of the reversing valve 11 is connected with an oil inlet P, the second 02 end of the control cavity of the reversing valve 11 is connected with the pressure compensation valve 3, the third 03 end and the fourth 04 end of the control cavity of the reversing valve 11 are empty, the fifth 05 end of the control cavity of the reversing valve 11 is connected with the output end of the pressure compensation valve 3, the sixth 06 end and the eighth 08 end of the control cavity of the reversing valve 11 are connected, the sixth 06 end of the control cavity of the reversing valve 11 is connected with an A port, the eighth 08 end of the control cavity of the reversing valve 11 is connected with a B port, the seventh 07 end of the control cavity of the reversing valve 11 is connected with the sixth 06 end and the eighth 08 end of the control cavity of the reversing valve 11 and is connected with the oil inlet P, the ninth 09 end and the tenth 010 end of the control cavity of the reversing valve 11 are empty, the C port of the reversing valve 11 is connected with the first 01 end of the control cavity of the reversing valve 11, the second 02 end of the control cavity of the reversing valve 11 is connected with the input end of the pressure compensation valve 12, the fifth 05 end of the control cavity of the reversing valve 11 is connected with a D port, the D port is connected with the A port, and the eighth 08 end of the control cavity of the reversing valve 11 is connected with an E port.
[0018] In the embodiment, when the reversing valve 11 moves in one direction, hydraulic oil flows into the reversing valve 11 through the P port, the hydraulic oil flows from the C port of the reversing valve 11 to the pressure compensation valve 12, part of the hydraulic oil passing through the pressure compensation valve 12 flows from the D port of the reversing valve 11 to the A port of the reversing valve 11, and then flows into the winch 2 through the B2 port, and then flows to the B port through the A2 port, and then flows out to the oil return port T through the E port of the reversing valve 11, so as to realize the movement of the winch 2 in one direction.
[0019] When the reversing valve 11 moves in the other direction, hydraulic oil flows into the reversing valve 11 through the P port, the hydraulic oil flows from the G port of the reversing valve 11 to the pressure compensation valve 12, part of the hydraulic oil passing through the pressure compensation valve 12 flows from the F port of the reversing valve 11 to the B port of the reversing valve 11, and then flows into the winch 2 through the A2 port, and then flows to the A port through the B2 port, and then flows out to the oil return port T through the I port of the reversing valve 11, so as to realize the movement of the winch 2 in the other direction.
[0020] In the embodiment, the winch 2 is provided with a bidirectional hydraulic motor 21, the bidirectional hydraulic motor 21 is connected with the input end of the reversing valve 11 in the winch control platform 1 and the output end of the reversing valve 11, and at the same time, the bidirectional hydraulic motor 21 is connected with the input end of the oil tank 11; the bidirectional hydraulic motor 21 is connected with the shuttle valve 22, the first one-way valve 23, the second one-way valve 24 and the overflow valve 25 between the reversing valve 11, the shuttle valve 22 is connected with the input end and the output end of the reversing valve 11 in the winch control platform 1, the first one-way valve 23, the second one-way valve 24 and the overflow valve 25 are connected with the output end of the reversing valve 11 in the winch control platform 1, and the first one-way valve 23, the second one-way valve 24 and the overflow valve 25 are connected in parallel between the output end of the reversing valve 11 in the winch control platform 1.
[0021] The hydraulic oil transported from the reversing valve 11 to the winch 2, part of which flows through the first one-way valve 23 and the second one-way valve 24 to the bidirectional hydraulic motor 21, and then flows back to the reversing valve 11 from the bidirectional hydraulic motor 21, so that the winch 2 rotates in one direction.
[0022] The above-mentioned oil supply method of the linkage multi-winch, the specific steps include:
[0023] S1, push the reversing valve 11 in the winch control platform 1 in one direction, and hydraulic oil is transported into the corresponding reversing valve 11;
[0024] S2, the hydraulic oil flows to the pressure compensation valve 12 through the reversing valve 11, part of the hydraulic oil flows back to the reversing valve 11 through the pressure compensation valve 12;
[0025] S3, the hydraulic oil flowing back to the reversing valve 11 flows to the bidirectional hydraulic motor 21 in the winch 2;
[0026] S3.1, after pushing the reversing valve 11 in one direction, hydraulic oil flows from the C port of the reversing valve 11 to the pressure compensation valve 12, and part of the hydraulic oil passing through the pressure compensation valve 12 flows from the D port of the reversing valve 11 to the bidirectional hydraulic motor 21, pushing the bidirectional hydraulic motor 21 to rotate in one direction;
[0027] S3.2, the hydraulic oil in the bidirectional hydraulic motor 21 flows back to the reversing valve 11, and then flows out from the E port of the reversing valve 11;
[0028] S3.3, after pushing the reversing valve 11 in the other direction, hydraulic oil flows from the G port of the reversing valve 11 to the pressure compensation valve 12, and part of the hydraulic oil passing through the pressure compensation valve 12 flows from the F port of the reversing valve 11 to the bidirectional hydraulic motor 21, pushing the bidirectional hydraulic motor 21 to rotate in the other direction;
[0029] S3.4, the hydraulic oil in the bidirectional hydraulic motor 21 flows back to the reversing valve 11, and then flows out from the I port of the reversing valve 11.
[0030] S4, hydraulic oil flows from the bidirectional hydraulic motor 21 in the winch 2 back to the reversing valve 11.
[0031] The above method is connected with the winch control platform 1 through the winch 2, the oil reversing valve 11 is arranged in the winch control platform 1, the operator pushes the reversing valve 11, the hydraulic oil flows through the reversing valve 11 and then flows into the bidirectional hydraulic motor 21 in the winch 2, driving the motor to rotate, when multiple winches 2 are linked, only the reversing valve 11 in the winch control platform 1 connected with the corresponding winch 2 needs to be pushed, so as to accurately control each winch 2.
Claims
1. A method of oiling a linked multi-capstan system for supplying oil to a multi-capstan linked system, the capstan linked system comprising: Winch operating platform (1) and winch (2), winch operating platform (1) is connected with winch (2), winch operating platform (1) is provided with reversing valve (11) and pressure compensation valve (12), one end of reversing valve (11) is connected with output end of pressure compensation valve (12), the other end of reversing valve (11) is connected with input end of pressure compensation valve (12) and winch (2); Wherein, the first 01 end of the control cavity of the reversing valve (11) is connected with the oil inlet P, the second 02 end of the control cavity of the reversing valve (11) is connected with the pressure compensation valve 3, the third 03 end and the fourth 04 end of the control cavity of the reversing valve (11) are empty, the fifth 05 end of the control cavity of the reversing valve (11) is connected with the output end of the pressure compensation valve 3, the sixth 06 end and the eighth 08 end of the control cavity of the reversing valve (11) are connected, and the sixth 06 end of the control cavity of the reversing valve (11) is connected with A, the eighth 08 end of the control cavity of the reversing valve (11) is connected with B, the seventh 07 end of the control cavity of the reversing valve (11) is communicated with the sixth 06 end and the eighth 08 end of the control cavity of the reversing valve (11) and connected with the oil inlet P, the ninth 09 end and the tenth 010 end of the control cavity of the reversing valve (11) are empty, the C of the reversing valve (11) is communicated with the first 01 end of the control cavity of the reversing valve (11), the second 02 end of the control cavity of the reversing valve (11) is communicated with the input end of the pressure compensation valve (12), the fifth 05 end of the control cavity of the reversing valve (11) is connected with D, and D is connected with A, and the eighth 08 end of the control cavity of the reversing valve (11) is communicated with E; The bidirectional hydraulic motor (21) is arranged in the winch (2), and the two ends of the bidirectional hydraulic motor (21) are connected with the reversing valve (11); The specific steps include: S1, push the reversing valve (11) in the winch operating platform (1) in one direction, and the hydraulic oil is transported to the corresponding reversing valve (11); S2, hydraulic oil flows to the pressure compensation valve (12) through the reversing valve (11), and part of the hydraulic oil flows back to the reversing valve (11) through the pressure compensation valve (12); S3, the hydraulic oil flowing back to the reversing valve (11) flows to the bidirectional hydraulic motor (21) in the winch (2) again; S4, the hydraulic oil flows back to the reversing valve (11) from the bidirectional hydraulic motor (21) in the winch (2).
2. The method of claim 1, wherein: The steps after S3 further include: S3.1, after pushing the reversing valve (11) in one direction, the hydraulic oil flows from the C of the reversing valve (11) to the pressure compensation valve (12), and part of the hydraulic oil flows from the D of the reversing valve (11) to the bidirectional hydraulic motor (21) through the pressure compensation valve (12), and pushes the bidirectional hydraulic motor (21) to rotate in one direction; S3.2, the hydraulic oil in the bidirectional hydraulic motor (21) flows back to the reversing valve (11), and then flows away from the E of the reversing valve (11); S3.3, after pushing the reversing valve (11) in the other direction, the hydraulic oil flows from the G of the reversing valve (11) to the pressure compensation valve (12), and part of the hydraulic oil flows from the F of the reversing valve (11) to the bidirectional hydraulic motor (21) through the pressure compensation valve (12), and pushes the bidirectional hydraulic motor (21) to rotate in the other direction; S3.4, hydraulic oil in the bidirectional hydraulic motor (21) flows back to the reversing valve (11), and then flows away from the I port of the reversing valve (11).
3. The method of claim 1, wherein: The bidirectional hydraulic motor (21) is connected with the shuttle valve (22), the first one-way valve (23), the second one-way valve (24) and the overflow valve (25) between the reversing valve (11), the shuttle valve (22) is connected with the 06 end and the 08 end of the reversing valve (11) control chamber in the capstan control table (1), the first one-way valve (23), the second one-way valve (24) and the overflow valve (25) are connected with the 06 end of the reversing valve (11) in the capstan control table (1), the first one-way valve (23), the second one-way valve (24) and the overflow valve (25) are connected in parallel between the 06 end of the reversing valve (11) control chamber in the capstan control table (1).
Citation Information
Patent Citations
Multi-drum constant-speed constant-tension hydraulic windlass
CN103373674A
Hydraulic winch of closed transmission system
CN107651588A