A linkage method between multiple winches

Abstract

A linkage method between multiple winches, the linkage method is used to link a multi-winch linkage system, the multi-winch linkage system includes a variable pump station, an oil tank, a signal amplifier, a winch and a winch control panel, the input end of the variable pump station is connected to the output end of the oil tank, the output end of the variable pump station is connected to the input end of the signal amplifier, the output end of the variable pump station is connected to the oil inlets of multiple winch control panels, the multiple winch control panels are connected to the input port of the oil tank, the winches are connected to the winch control panel, the winch control panel is connected to an LS feedback oil circuit, an LX feedback oil circuit and a LY feedback oil circuit, the LS feedback oil circuits of adjacent winch control panels are connected to the LX feedback oil circuit, and the LY feedback oil circuits of all winch control panels are connected together, when the load of a certain winch is greater than that of other winches, the reversing valve connected to the other winches is pushed, and the hydraulic oil can be accurately delivered to the winch, thereby realizing accurate control between multiple winches.

Description

Technical Field

[0001] The invention relates to the technical field of oil supply of hydraulic pump stations, and in particular to a linkage method between multiple winches. Background Art

[0002] A hydraulic winch is a device powered by a hydraulic system. Its operating principle is to convert pressure into mechanical energy through hydraulic oil circuits, thereby driving the winch's rotation. When multiple hydraulic winches need to operate simultaneously, connecting the oil circuits allows them to work together, improving work efficiency and rescue capabilities. The flow and pressure transmission of hydraulic oil allows for centralized control and management of multiple winches. In practical applications, the technology of connecting multiple hydraulic winches with oil circuits is widely used in vehicle rescue, engineering construction, outdoor exploration, and other fields. This technology is particularly important in situations requiring large amounts of traction or the coordinated operation of multiple winches. Summary of the Invention

[0003] The problem to be solved by the present invention is the linkage control problem between multiple winches.

[0004] A linkage method between multiple winches, the linkage method is used to link a multi-winch linkage system, the linkage system includes more than two winches and more than two winch control consoles, the winches are connected one-to-one with the winch control consoles, the winch control consoles are provided with a reversing valve, a pressure compensating valve and a shuttle valve, one side of the reversing valve is connected to the output end of the pressure compensating valve, and the other side is connected to the input end of the pressure compensating valve and the winch, and the shuttle valve is connected to the pressure compensating valve.

[0005] The capstan control panel is connected to a feedback oil circuit, which includes the LS feedback oil circuit, the LX feedback oil circuit, and the LY feedback oil circuit. The LS feedback oil circuits of adjacent capstan control panels are connected to the LX feedback oil circuit, and the LY feedback oil circuits of all capstan control panels are connected together. The LY feedback oil circuit is connected to the spring chamber of the pressure compensation valve, and the LS feedback oil circuit and the LX feedback oil circuit are connected to the shuttle valve.

[0006] The specific steps include:

[0007] S1. Push the reversing valve in one or more capstan control panels. The hydraulic oil output from the output end of the variable pump station flows into the reversing valve, then flows to the pressure compensation valve, and then part of it flows back to the reversing valve and then flows into the capstan.

[0008] S2, another part of the hydraulic oil flowing out of the pressure compensation valve flows to the shuttle valve, and then flows into the feedback oil circuit LS through the shuttle valve;

[0009] S3, another part of the hydraulic oil flowing out of the shuttle valve flows to the spring chamber of the pressure compensation valve;

[0010] S4, the hydraulic oil flows into the LY feedback oil circuit through the spring chamber, and then flows to the spring chambers of the pressure compensation valves in all winch control consoles through the parallel LY feedback oil circuits;

[0011] S5. Part of the hydraulic oil flowing into the winch flows back to the reversing valve on the winch control panel.

[0012] In this solution, multiple winches are connected to the winch control panel one-to-one, and the hydraulic oil flowing through the winch control panel is delivered to the connected winch by controlling the reversing valve in the winch control panel; each winch control panel is connected to the LS feedback oil circuit and the LX feedback oil circuit through a shuttle valve, and the LS feedback oil circuit and the LX feedback oil circuit between adjacent winch control panels are connected, so that the control signal oil of any winch control panel can be fed back to the LS feedback oil circuit of the head winch control panel through the LS feedback oil circuit; the LY feedback oil circuit in the head winch control panel is connected to the LS feedback oil circuit, so that the pressure signal of the LS feedback oil circuit is given to the LY feedback oil circuit, and the LY feedback oil circuits connected in parallel make the pressure of the spring chamber of each pressure compensation valve consistent, so that the opening degree of the reversing valve determines the amount of hydraulic oil flowing to the winch connected to the winch control panel, thereby realizing linkage control between multiple winches. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall hydraulic system according to an embodiment of the present invention;

[0014] Figure 2 This is a schematic diagram of the hydraulic system of the head winch console in an embodiment of the present invention;

[0015] Figure 3 This is a schematic diagram of the hydraulic system of the tail winch console in an embodiment of the present invention;

[0016] Figure 4 Flowchart of the present invention. DETAILED DESCRIPTION

[0017] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0018] like Figures 1 to 2 As shown, a linkage method between multiple winches is used to link a multi-winch linkage system, wherein the linkage system includes more than two winches 1 and more than two winch control consoles 2, the winch 1 is connected one-to-one with the winch control console 2, the winch control console 2 is provided with a reversing valve 21, a pressure compensating valve 22 and a shuttle valve 23, one side of the reversing valve 21 is connected to the output end of the pressure compensating valve 22, and the other side is connected to the input end of the pressure compensating valve 22 and the winch 1, and the shuttle valve 23 is connected to the pressure compensating valve 22.

[0019] The winch control panel 2 is connected to a feedback oil circuit, which includes an LS feedback oil circuit, an LX feedback oil circuit and a LY feedback oil circuit. The LS feedback oil circuits of adjacent winch control panels 2 are connected to the LX feedback oil circuit, and the LY feedback oil circuits of all winch control panels 2 are connected together. The LY feedback oil circuit is connected to the spring chamber of the pressure compensation valve 22, and the LS feedback oil circuit and the LX feedback oil circuit are connected to the shuttle valve 23.

[0020] Push the reversing valve 21 to make the hydraulic oil flow into the winch control panel 2. The hydraulic oil flows from the reversing valve 21 to the pressure compensation valve 22, then flows back to the reversing valve 21 and flows to the winch 1. When the hydraulic oil flows to the reversing valve 21 through the pressure compensation valve 22, part of the hydraulic oil flows to the shuttle valve 23 and then flows into the LS feedback oil circuit. Since the LS feedback oil circuits on all the winch control panels 2 are connected together, no matter which winch control panel 2's reversing valve is pushed, the signal oil will be delivered to the LS feedback oil circuit of the head winch control panel 3 through the LS feedback oil circuit, that is, the maximum pressure signal of the entire system will be delivered to the LS feedback oil circuit of the head winch control panel 3; and the head winch control In the platform 3, the LS feedback oil circuit and the LY feedback oil circuit are both connected to the spring chamber of the pressure compensating valve 22, that is, the LS feedback oil circuit of the head winch control panel 3 is connected to the LY feedback oil circuit; so in the head winch control panel 3, the LS feedback oil circuit transmits the maximum pressure signal of the entire oil circuit to the spring chamber of the pressure compensating valve 22. Since the LY feedback oil circuits are all connected in parallel, the maximum pressure signal is transmitted to the spring chamber of all pressure compensating valves 22 through the LY feedback oil circuit, so that the pressure of the spring chamber of each pressure compensating valve 22 is consistent, so that the hydraulic oil flows evenly to each winch control panel 2, and the amount of hydraulic oil flowing to the winch 1 is controlled by the opening size of the reversing valve 21.

[0021] like Figure 2 and Figure 4 As shown, in this embodiment, in the head winch control panel 3, the LS feedback oil circuit is connected to the pressure compensating valve 22, and in the tail winch control panel 4, a plug 10 is provided between the LS feedback oil circuit and the pressure compensating valve 22, so that when the signal oil in the LS feedback oil circuit of the head winch control panel 3 flows to the LS feedback oil circuit of the tail winch control panel 4, it will not flow to the pressure compensating valve 22, and there is no plug 10 between the LS feedback oil circuit of the head winch control panel 3 and the spring chamber of the pressure compensating valve 22. The LS feedback oil circuit and the spring chamber of the pressure compensating valve 22 are connected, and part of the hydraulic oil flows to the LY feedback oil circuit through the spring chamber of the pressure compensating valve 22, that is, the signal oil in the LY feedback oil circuit can only flow out from the LY feedback oil circuit in the head winch control panel 3, and then flow to the spring chamber of the pressure compensating valve 22 in other winch control panels 2, so that the pressure of the spring chamber of all pressure compensating valves 22 is consistent.

[0022] like Figure 1As shown, in this embodiment, the winch 1 and the winch console 2 are connected to a signal return oil circuit T0, and the signal return oil circuit T0 is connected to the shuttle valve 23. Through the return oil circuit T0, the signal oil of the LS feedback oil circuit, the LX feedback oil circuit and the LY feedback oil circuit flows back to the oil tank.

[0023] The above-mentioned method for linking multiple winches comprises the following specific steps:

[0024] S1. Push the reversing valve 21 in one or more capstan control consoles 2. The hydraulic oil output from the output end of the variable pump station flows into the reversing valve 21, then flows to the pressure compensation valve 22, and then a part of it flows back to the reversing valve 21 and then flows into the capstan 1.

[0025] S2, another part of the hydraulic oil flowing out of the pressure compensation valve 22 flows to the shuttle valve 23, and then flows into the feedback oil circuit LS through the shuttle valve 23;

[0026] S2.1. When the load on the rear capstan control panel 4 is greater than that on the front capstan control panel 3, the signal oil in the LS feedback oil circuit of the rear capstan control panel 4 flows through the LX feedback oil circuit of the front capstan control panel 3 to the shuttle valve 23 in the front capstan control panel 3;

[0027] S2.2, a part of the oil flows through the shuttle valve of the head capstan control panel 3 to the LS feedback oil circuit connected to the head capstan control panel;

[0028] S3, another part of the hydraulic oil flowing out of the shuttle valve 23 flows to the spring chamber of the pressure compensation valve 22;

[0029] S4, the hydraulic oil flows through the spring chamber to the LY feedback oil circuit, and then flows through the parallel LY feedback oil circuit to the spring chambers of the pressure compensation valves 22 in all winch control consoles 2;

[0030] S5, a portion of the hydraulic oil flowing into the winch 1 flows back to the reversing valve 21 of the winch control console 2;

[0031] The signal oil in the S6, LS feedback oil circuit, LX feedback oil circuit and LY feedback oil circuit flows back to the oil tank through the T0 return oil circuit.

[0032] In the above method, each winch control panel 2 is connected to an LS feedback oil circuit and an LX feedback oil circuit through a shuttle valve 23. By connecting the LS feedback oil circuit and the LX feedback oil circuit between adjacent winch control panels 2, the maximum pressure signal of the entire system can be transmitted to the head winch control panel 3; part of the signal oil in the LS feedback oil circuit in the head winch control panel 3 flows into the LY feedback oil circuit through the spring chamber of the pressure compensation valve 22, and flows to the spring chambers of all pressure compensation valves 22 through the LY feedback oil circuits connected in parallel, so that the pressure of the spring chamber of each pressure compensation valve is consistent, so that the hydraulic oil will only flow to the winch 1 connected to the winch control panel 2 with the reversing valve 21 opened. At the same time, when the load of a certain winch 1 is greater than that of other winches 1, the reversing valve 21 connected to the other winches 1 is pushed to increase the load of the winch 1, and the hydraulic oil can be accurately delivered to the winch 1, and the hydraulic oil flowing into other winches 1 will not increase due to the change in load between the winches, thereby realizing accurate control between multiple winches 1.

Claims

1. A linkage method between multiple winches, the linkage method being used to link a multi-winch linkage system, the linkage system comprising two or more winches (1) and two or more winch control consoles (2), the winches (1) and the winch control consoles (2) being connected one-to-one, and characterized in that: The winch control panel (2) comprises a head winch control panel (3) and a tail winch control panel (4). The winch control panel (2) is provided with a reversing valve (21), a pressure compensating valve (22) and a shuttle valve (23). One side of the reversing valve (21) is connected to the output end of the pressure compensating valve (22), and the other side is connected to the input end of the pressure compensating valve (22) and the winch (1). The shuttle valve (23) is connected to the pressure compensating valve (22). The capstan control panel (2) is connected to a feedback oil circuit, which includes an LS feedback oil circuit, an LX feedback oil circuit, and a LY feedback oil circuit. The LS feedback oil circuits of adjacent capstan control panels (2) are connected to the LX feedback oil circuit, and the LY feedback oil circuits of all capstan control panels (2) are connected together. The LY feedback oil circuit is connected to the spring chamber of the pressure compensation valve (22), and the LS feedback oil circuit and the LX feedback oil circuit are connected to the shuttle valve (23). In the head winch control panel (3), the LS feedback oil circuit is connected to the pressure compensation valve (22), and in the tail winch control panel (4), a plug (10) is provided between the LS feedback oil circuit and the pressure compensation valve (22); The specific steps include: S1, pushes the reversing valve (21) in one or more winch control consoles (2), and the hydraulic oil output from the output end of the variable pump station flows into the reversing valve (21), then flows to the pressure compensation valve (22), and then a part of it flows back to the reversing valve (21), and then flows into the winch (1); S2, another part of the hydraulic oil flowing out of the pressure compensation valve (22) flows to the shuttle valve (23), and then flows into the feedback oil circuit LS through the shuttle valve (23); S2.

1. When the load of the tail capstan control panel (4) is greater than that of the head capstan control panel (3), the signal oil in the LS feedback oil circuit of the tail capstan control panel (4) flows to the shuttle valve (23) in the head capstan control panel (3) through the LX feedback oil circuit of the head capstan control panel (3); S2.2, a part of the oil flows through the shuttle valve of the head winch control panel (3) to the LS feedback oil circuit connected to the head winch control panel; S3, another part of the hydraulic oil flowing out of the shuttle valve (23) flows to the spring chamber of the pressure compensation valve (22); S4, the hydraulic oil flows through the spring chamber to the LY feedback oil circuit, and then flows through the parallel LY feedback oil circuit to the spring chambers of the pressure compensation valves (22) in all the winch control consoles (2); S5. A portion of the hydraulic oil flowing into the winch (1) flows back to the reversing valve (21) of the winch control console (2).

2. The linkage method between multiple winches according to claim 1, characterized in that: The capstan (1) and the capstan control console (2) are connected to a signal oil return line T0, which is connected to a shuttle valve (23).

3. The linkage method between multiple winches according to claim 2, characterized in that: S5 and subsequent steps include: The signal oil in the S6, LS feedback oil circuit, LX feedback oil circuit and LY feedback oil circuit flows back to the oil tank through the T0 return oil circuit.

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