CN214879796U - Hydraulic capstan control device - Google Patents
Hydraulic capstan control device Download PDFInfo
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- CN214879796U CN214879796U CN202121509679.9U CN202121509679U CN214879796U CN 214879796 U CN214879796 U CN 214879796U CN 202121509679 U CN202121509679 U CN 202121509679U CN 214879796 U CN214879796 U CN 214879796U
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Abstract
A hydraulic winch control device comprises a main driving two-point variable motor, an auxiliary driving quantitative motor, a clutch, a throttle valve, a pilot reversing valve, an electromagnetic reversing valve, a shuttle valve and a balance valve, wherein a first oil port of the shuttle valve, a first oil port of the main driving two-point variable motor and a first oil port of the auxiliary driving quantitative motor are connected to form an oil port A of a main oil way, and a third oil port of the shuttle valve and a third oil port of the balance valve are connected to form an oil port B of the main oil way; the third oil port of the pilot reversing valve, the fourth oil port of the auxiliary driving quantitative motor, the fifth oil port of the main driving two-point variable motor and the second oil port of the electromagnetic reversing valve are connected to form a T oil port of an overflow oil way; the main driving two-point variable motor and the auxiliary driving fixed-displacement motor are connected in parallel through a hydraulic pipeline, and a throttle valve is arranged between a fourth oil port of the pilot reversing valve and a first oil port of the clutch. Use the utility model discloses, realize the steady operation under two kinds of operating condition of high-speed little moment of torsion and the big moment of torsion of low-speed of capstan winch.
Description
Technical Field
The utility model belongs to the technical field of hydraulic control, concretely relates to hydraulic capstan controlling means.
Background
The existing hydraulic winch is driven by a single motor mostly, mechanical speed change is used according to working requirements, and the purpose of speed change and torque change is achieved.
The disadvantages are that: 1. an operating mechanism of the mechanical speed change system is mostly integrated above the winch, and the working state can not be quickly switched according to the working condition requirement; 2. during low-load operation, the winch has low working efficiency and low energy consumption ratio; 3. during high-load operation, the transmission noise of the winch is high, and the working comfort is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a hydraulic capstan controlling means is provided, adopt this device, can overcome the not enough that prior art exists.
The technical scheme of the utility model is that:
a hydraulic winch control device comprises a main driving two-point variable motor, an auxiliary driving quantitative motor, a clutch, a throttle valve, a pilot reversing valve, an electromagnetic reversing valve, a shuttle valve and a balance valve, wherein a first oil port of the shuttle valve, a first oil port of the main driving two-point variable motor and a first oil port of the auxiliary driving quantitative motor are connected to form an oil port A of a main oil way, and the oil port A is simultaneously connected to a first control oil port of the balance valve through a control oil way;
the third oil port of the shuttle valve and the third oil port of the balance valve are connected to form an oil port B of the main oil way;
a second oil port of the shuttle valve is connected to a third oil port of the electromagnetic directional valve and a fourth oil port of the main driving two-point variable motor, a first oil port of the electromagnetic directional valve is connected to a first/second oil port of the pilot directional valve and a second oil port of the main driving two-point variable motor, and a fourth oil port of the pilot directional valve is connected to a first oil port of the clutch and a second oil port of the auxiliary driving quantitative motor;
the third oil port of the main driving two-point variable motor and the third oil port of the auxiliary driving quantitative motor are simultaneously connected to the second oil port of the balance valve;
and the third oil port of the pilot reversing valve, the fourth oil port of the auxiliary driving quantitative motor, the fifth oil port of the main driving two-point variable motor and the second oil port of the electromagnetic reversing valve are connected to form a T oil port of an overflow oil way.
The electromagnetic directional valve is used for controlling high-low speed switching of the main driving motor and providing an oil source for the pilot control valve.
The pilot control valve is used for controlling the opening and closing of the auxiliary driving motor brake and controlling the connection or disconnection of the clutch; the clutch functions to control the engagement or disengagement of the secondary drive motor with the winch drum.
The shuttle valve has the function that when the A/B oil port is a pressure oil port, the brake of the main driving two-point variable motor is opened, and an oil source is provided for the electromagnetic directional valve.
The balance valve has the functions of ensuring the continuous loading capacity of the cable, limiting the maximum loading capacity of the winch and avoiding dangerous accidents such as failure of a hydraulic motor braking system and the like.
Furthermore, the main driving two-point variable motor and the auxiliary driving fixed-quantity motor are connected in parallel through a hydraulic pipeline, and the hydraulic winch control with high-speed and low-speed switching is realized.
And furthermore, a throttle valve is arranged between a fourth oil port of the pilot reversing valve and a first oil port of the clutch, so that the combination and buffering of the clutch are realized.
For the sake of conciseness and clarity of explanation, the present device will be simply referred to as the present device hereinafter.
The working principle and the advantages of the device are as follows:
the device consists of a main driving two-point variable motor, an auxiliary driving quantitative motor, a clutch, a throttle valve, an electromagnetic directional valve, a pilot directional valve, a shuttle valve, a balance valve and the like, and realizes two working states of high-speed small torque and low-speed large torque of the winch, and four working conditions of quick release and quick retraction, quick release and slow retraction, slow release and quick retraction and slow release and slow retraction are combined.
The hydraulic oil source is taken from the existing hydraulic system of vehicles such as a rescue vehicle or a wrecker, and the like, and the main driving two-point variable motor drives the default small displacement and is suitable for low-load operation; when the load increases, the electromagnet Y1 of the electromagnetic directional valve is electrified, the main driving two-point variable motor becomes large displacement, the clutch is combined, the auxiliary driving quantitative motor does work simultaneously, and the output torque of the winch is improved.
The external electromagnetic directional valve switches the oil inlet and outlet directions of the A/B oil port, and controls the rotation directions of the main driving two-point variable motor and the auxiliary driving quantitative motor so as to realize the winding and unwinding of the winch cable. When the oil is routed from B to a: and (3) taking up the cable, electrifying the electromagnetic directional valve Y1, opening the auxiliary drive quantitative motor, outputting large torque, and when an oil route A to B: when the cable is released, the electromagnetic directional valve Y1 is not electrified.
The utility model has the advantages that:
1. the main driving motor and the auxiliary driving motor are connected in parallel through a hydraulic pipeline for logic control, and can quickly switch two working modes of low load and high load according to working condition requirements.
2. And a single motor is adopted at low load, the small displacement and the high rotating speed are realized, the working efficiency of the winch is improved, and the energy consumption ratio of the system is improved.
3. And when the load is high, the double motors are adopted to apply work together, the discharge capacity is large, the rotating speed is low, and the output torque of the winch is improved.
4. The hydraulic control system has simple and efficient logic and strong reliability, and can integrate a remote control module according to the requirement, thereby being convenient for single-person operation.
5. The arrangement of the pilot control valve and the throttle valve enables the engagement of the clutch to be smoother.
Drawings
Fig. 1 is a hydraulic schematic diagram of the present invention.
In the figure: 1-main driving two-point variable motor, 2-auxiliary driving fixed-quantity motor, 3-clutch, 4-throttle valve, 5-pilot reversing valve, 6-electromagnetic reversing valve, 7-shuttle valve and 8-balance valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
A hydraulic winch control device comprises a main driving two-point variable motor 1, an auxiliary driving quantitative motor 2, a clutch 3, a throttle valve 4, a pilot reversing valve 5, an electromagnetic reversing valve 6, a shuttle valve 7 and a balance valve 8, wherein a first oil port of the shuttle valve 7, a first oil port of the main driving two-point variable motor 1 and a first oil port of the auxiliary driving quantitative motor 2 are connected to form an oil port A of a main oil way, and the oil port A is connected to a first control oil port of the balance valve 8 through a control oil way;
the third oil port of the shuttle valve 7 and the third oil port of the balance valve 8 are connected to form an oil port B of the main oil way;
a second oil port of the shuttle valve 7 is connected to a third oil port of the electromagnetic directional valve 6 and a fourth oil port of the main driving two-point variable motor 1, a first oil port of the electromagnetic directional valve 6 is connected to a first/second oil port of the pilot directional valve 5 and a second oil port of the main driving two-point variable motor 1, and a fourth oil port of the pilot directional valve 5 is connected to a first oil port of the clutch 3 and a second oil port of the auxiliary driving quantitative motor 2;
the third oil port of the main driving two-point variable motor 1 and the third oil port of the auxiliary driving quantitative motor 2 are simultaneously connected to the second oil port of the balance valve 8;
and a third oil port of the pilot reversing valve 5, a fourth oil port of the auxiliary driving quantitative motor 2, a fifth oil port of the main driving two-point variable motor 1 and a second oil port of the electromagnetic reversing valve 6 are connected to form a T oil port of an overflow oil way.
The main driving two-point variable motor 1 and the auxiliary driving quantitative motor 2 are connected in parallel through a hydraulic pipeline.
A throttle valve 4 is arranged between the fourth oil port of the pilot reversing valve 5 and the first oil port of the clutch 3.
The above-mentioned hydraulic components are all parts of the prior art, and are available on the market, and will not be described herein.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A hydraulic winch control device, characterized in that: the hydraulic control system comprises a main driving two-point variable motor, an auxiliary driving quantitative motor, a clutch, a throttle valve, a pilot reversing valve, an electromagnetic reversing valve, a shuttle valve and a balance valve, wherein a first oil port of the shuttle valve, a first oil port of the main driving two-point variable motor and a first oil port of the auxiliary driving quantitative motor are connected to form an oil port A of a main oil way, and the oil port A is simultaneously connected to a first control oil port of the balance valve through a control oil way;
the third oil port of the shuttle valve and the third oil port of the balance valve are connected to form an oil port B of the main oil way;
a second oil port of the shuttle valve is connected to a third oil port of the electromagnetic directional valve and a fourth oil port of the main driving two-point variable motor, a first oil port of the electromagnetic directional valve is connected to a first/second oil port of the pilot directional valve and a second oil port of the main driving two-point variable motor, and a fourth oil port of the pilot directional valve is connected to a first oil port of the clutch and a second oil port of the auxiliary driving quantitative motor;
the third oil port of the main driving two-point variable motor and the third oil port of the auxiliary driving quantitative motor are simultaneously connected to the second oil port of the balance valve;
and the third oil port of the pilot reversing valve, the fourth oil port of the auxiliary driving quantitative motor, the fifth oil port of the main driving two-point variable motor and the second oil port of the electromagnetic reversing valve are connected to form a T oil port of an overflow oil way.
2. The hydraulic winch control device according to claim 1, wherein: the main driving two-point variable motor and the auxiliary driving fixed-quantity motor are connected in parallel through a hydraulic pipeline.
3. A hydraulic winch control apparatus according to claim 1 or 2, wherein: and a throttle valve is arranged between the fourth oil port of the pilot reversing valve and the first oil port of the clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121509679.9U CN214879796U (en) | 2021-07-01 | 2021-07-01 | Hydraulic capstan control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121509679.9U CN214879796U (en) | 2021-07-01 | 2021-07-01 | Hydraulic capstan control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214879796U true CN214879796U (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121509679.9U Active CN214879796U (en) | 2021-07-01 | 2021-07-01 | Hydraulic capstan control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214879796U (en) |
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2021
- 2021-07-01 CN CN202121509679.9U patent/CN214879796U/en active Active
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