CN110713129A - Constant tension control system of hydraulic winch - Google Patents
Constant tension control system of hydraulic winch Download PDFInfo
- Publication number
- CN110713129A CN110713129A CN201910853171.1A CN201910853171A CN110713129A CN 110713129 A CN110713129 A CN 110713129A CN 201910853171 A CN201910853171 A CN 201910853171A CN 110713129 A CN110713129 A CN 110713129A
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- China
- Prior art keywords
- constant tension
- tension control
- pipe
- winch
- oil
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/40—Control devices
- B66D1/42—Control devices non-automatic
- B66D1/44—Control devices non-automatic pneumatic of hydraulic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a constant tension control system of a hydraulic winch, which can set and adjust the working pressure in the system through an energy storage device, open one of first function switching valves and start a corresponding oil storage mechanism through closing a second function switching valve to realize the switching of an oil return pipeline.
Description
Technical Field
The invention relates to the technical field of hydraulic control, in particular to a constant tension control system of a hydraulic winch.
Background
The winch is required to provide constant tension output in the bridge construction process of the winch suction dredger bridge winch or the trawler, because the hydraulic winch of the conventional ships does not have constant tension output, the effective working performance of the reamer is influenced, and the fishing quality and efficiency of the trawler are influenced. In order to improve the working efficiency of a reamer of a cutter suction dredger or the fishing quality and the working efficiency of a fishing boat, constant tension control of a winch becomes a core technical key point of the dredger and a trawler.
Disclosure of Invention
The invention aims to provide a constant tension control system of a hydraulic winch, which can effectively realize low-energy consumption control.
The technical scheme adopted by the invention is as follows:
the constant tension control system of the hydraulic winch comprises a hydraulic power unit, an energy storage device, wherein an oil inlet of the energy storage device is connected with the hydraulic power unit through an oil inlet pipe, an oil outlet of the energy storage device is connected with one end of a winch control device through an oil outlet pipe, the other end of the winch control unit is communicated to the hydraulic power unit through a conveying pipe, a conveying branch pipe is branched from the conveying pipe, the tail end of the conveying branch pipe is connected with an oil storage mechanism, a first function switching valve is installed on the conveying branch pipe respectively, and a second function switching valve is installed on the conveying pipe between the hydraulic power unit and the adjacent conveying branch pipe.
As a further improvement of the technical solution of the present invention, the first function switching valve and the second function switching valve respectively employ an electromagnetic valve.
As a further improvement of the technical scheme of the invention, a first constant tension control valve and a second constant tension control valve are respectively arranged on the oil inlet pipe and the oil outlet pipe.
As a further improvement of the technical scheme of the invention, a pressure sensor is arranged on the oil inlet pipe, and the pressure sensor is positioned between the first constant tension control valve and the oil inlet of the energy storage device.
The technical scheme of the invention is further improved, the oil inlet pipe and the oil outlet pipe are connected through a bypass pipe, a bypass valve is installed on the bypass pipe, the inlet end of the bypass pipe is positioned on the oil inlet pipe between the first constant tension control valve and the hydraulic power unit, and the outlet end of the bypass pipe is communicated with the oil outlet pipe between the second constant tension control valve and the winch control unit.
As a further improvement of the technical scheme of the invention, the first constant tension control valve, the second constant tension control valve and the bypass valve are all electromagnetic valves.
Further as an improvement of the technical scheme of the invention, the oil storage mechanism is an oil conservator, and at least one liquid level sensor is arranged in the oil conservator.
Further as an improvement of the technical scheme of the invention, the energy storage device adopts an energy accumulator.
The invention has the beneficial effects that: the constant tension control system of the hydraulic winch can set and adjust the working pressure in the system through the energy storage device, and further can open one of the first function switching valves and start the corresponding oil storage mechanism by closing the second function switching valve to realize the switching of the oil return pipeline.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
fig. 1 is a schematic system structure according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
Referring to fig. 1, for an embodiment of the present invention, a constant tension control system for a hydraulic winch is provided, which includes a hydraulic power unit 1, an energy storage device 2 having an oil inlet connected to the hydraulic power unit 1 through an oil inlet pipe, an oil outlet of the energy storage device 2 being connected to one end of a winch control unit 3 through an oil outlet pipe, the winch control unit 3 having another end connected to the hydraulic power unit 1 through a delivery pipe, a delivery branch pipe branching from the delivery pipe, the end of the delivery branch pipe being connected to an oil storage mechanism 4, the delivery branch pipes being respectively provided with a first function switching valve 51, and the delivery pipe between the hydraulic power unit 1 and an adjacent delivery branch pipe being provided with a second function switching valve 52.
The constant tension control system of the hydraulic winch can set and adjust the working pressure in the system through the energy storage device 2, and can open one of the first function switching valves 51 and start the corresponding oil storage mechanism 4 to realize the switching of oil return pipelines by closing the second function switching valve 52, so that the pressure obtained by the winch control unit 3 can be kept stable due to the stable output pressure of the energy storage device 2, the constant tension output function of the hydraulic winch is effectively realized, and compared with the traditional electric control, the system has the advantages of small energy consumption, flexible operation and better improvement on the working adaptability of the hydraulic winch.
Further, the energy storage device 2 in this embodiment employs an accumulator, and the accumulator can set and adjust the pressure by compressing air. In a preferred embodiment of the present invention, the first constant tension control valve 91 and the second constant tension control valve 92 are disposed in the oil inlet pipe and the oil outlet pipe, respectively. Meanwhile, the oil inlet pipe is provided with a pressure sensor 6, and the pressure sensor is installed between the first constant tension control valve 91 and the oil inlet of the energy storage device 2. The pressure sensor is used for collecting pressure values in the energy accumulator to detect whether the pressure provided by the energy accumulator is stable or not, so that the energy accumulator can be adjusted in time when problems occur, and the constant tension output of the system is ensured.
In a preferred embodiment of the present invention, the inlet pipe and the outlet pipe are connected by a bypass pipe 7, the bypass pipe 7 is provided with a bypass valve 71, the inlet end of the bypass pipe 7 is positioned on the inlet pipe between the first constant tension control valve 91 and the hydraulic power unit 1, and the outlet end of the bypass pipe 7 is communicated with the outlet pipe between the second constant tension control valve 92 and the winch control unit 3.
In a preferred embodiment of the present invention, the first function switching valve 51 and the second function switching valve 52 are solenoid valves, and the first constant tension control valve 91, the second constant tension control valve 92, and the bypass valve 71 are solenoid valves. The electromagnetic valves are adopted, remote control adjustment of the valves can be achieved, oil circuit switching is more convenient, the trouble that manual valves need to be manually opened or closed one by one is avoided, labor force output is reduced, and labor intensity of workers is reduced.
Further, the oil storage mechanism 4 of the present embodiment is an oil conservator, and a liquid level sensor 8 is disposed in the oil conservator. The setting of level sensor 8 makes the staff can carry out real-time supervision to the oil mass in the oil conservator, can keep the oil feeding under the permanent tension mode of system and normally provide better guarantee.
In the hydraulic winch constant tension control system, when the traditional hydraulic power unit 1 is in a driving mode, the bypass valve 71 is firstly opened, the second function switching valve 52 is opened, the first function switching valve 51 is closed, and the first constant tension control valve 91 and the second constant tension control valve 92 are closed, at the moment, the output tension of the system depends on the load of a connected winch and the working pressure of the hydraulic power unit 1, and the winch control unit 3 realizes the positive and negative rotation control of the winch. When the system needs to be switched to a constant tension working mode, the bypass valve 71 is closed, and the first constant tension control valve 91 and the second constant tension control valve 92 are opened; secondly, adjusting the first constant tension control valve 91 and the second constant tension control valve 92 to adjust the hydraulic oil entering and exiting the energy accumulator, and setting and adjusting the pressure balance value of the compressed air in the energy accumulator to complete the pressure adjustment and setting of the energy accumulator; then, the first function switching valve 51 is opened, the second function switching valve 52 is closed, and the oil conservator is started after the oil return pipeline is switched; at this time, because the pressure in the energy accumulator is stable, the working pressure of the winch control unit 3 is ensured to be stable, and the constant tension output of the system is further realized.
The constant tension control system of the hydraulic winch can reasonably, flexibly and effectively detect and control the method on the premise of ensuring the safe operation of a bridge of a dredger or the operation of a trawl winch of a trawl fishing boat, not only improves the safety and the adaptability of the operation of the related ship winch, but also effectively provides an effective solution for the requirements of specific working conditions and reduces the energy consumption of the system.
The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope of the claims of the present application.
Claims (8)
1. The constant tension control system of the hydraulic winch is characterized in that: the winch control system comprises a hydraulic power unit (1) and an energy storage device (2) with an oil inlet connected with the hydraulic power unit (1) through an oil inlet pipe, wherein an oil outlet of the energy storage device (2) is connected with one end of a winch control unit (3) through an oil outlet pipe, the other end of the winch control unit (3) is communicated to the hydraulic power unit (1) through a conveying pipe, at least one conveying branch pipe is divided from the conveying pipe, the tail end of each conveying branch pipe is connected with an oil storage mechanism (4) respectively, a first function switching valve (51) is installed on each conveying branch pipe respectively, and a second function switching valve (52) is installed on the conveying pipe between the hydraulic power unit (1) and the adjacent conveying branch pipe.
2. The hydraulic winch constant tension control system as claimed in claim 1, wherein: the first function switching valve (51) and the second function switching valve (52) are solenoid valves, respectively.
3. The hydraulic winch constant tension control system as claimed in claim 1, wherein: and the oil inlet pipe and the oil outlet pipe are respectively provided with a first constant tension control valve (91) and a second constant tension control valve (92).
4. The hydraulic winch constant tension control system as claimed in claim 3, wherein: the oil inlet pipe is provided with a pressure sensor (6), and the pressure sensor (6) is located between the first constant tension control valve (91) and an oil inlet of the energy storage device (2).
5. The hydraulic winch constant tension control system as claimed in claim 3, wherein: the oil inlet pipe is connected with the oil outlet pipe through a bypass pipe (7), a bypass valve (71) is installed on the bypass pipe (7), the inlet end of the bypass pipe (7) is located on the oil inlet pipe between a first constant tension control valve (91) and the hydraulic power unit (1), and the outlet end of the bypass pipe (7) is communicated with the oil outlet pipe between a second constant tension control valve (92) and the winch control unit (3).
6. The hydraulic winch constant tension control system as claimed in claim 5, wherein: the first constant tension control valve (91), the second constant tension control valve (92) and the bypass valve (71) are all electromagnetic valves.
7. The hydraulic winch constant tension control system as claimed in claim 1, wherein: the oil storage mechanism (4) is an oil storage cabinet, and at least one liquid level sensor (8) is arranged in the oil storage cabinet.
8. The hydraulic winch constant tension control system as claimed in claim 1, wherein: the energy storage device (2) adopts an energy accumulator.
Priority Applications (1)
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CN201910853171.1A CN110713129A (en) | 2019-09-10 | 2019-09-10 | Constant tension control system of hydraulic winch |
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CN201910853171.1A CN110713129A (en) | 2019-09-10 | 2019-09-10 | Constant tension control system of hydraulic winch |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1598351A (en) * | 1977-10-27 | 1981-09-16 | Morrison A J S | Sea swell compensation |
EP1470014B1 (en) * | 2000-11-28 | 2006-04-19 | Shep Limited | Hydraulic energy storage systems |
CN103613027A (en) * | 2013-11-22 | 2014-03-05 | 无锡市海联舰船附件有限公司 | Towing-winch hydraulic control circuit for emergent cable pay-off |
CN203653138U (en) * | 2013-11-07 | 2014-06-18 | 河南耿发机械设备制造有限公司 | Hydraulic mechanism for endless rope winch |
CN106629449A (en) * | 2016-10-08 | 2017-05-10 | 武汉船用机械有限责任公司 | Constant-tension hydraulic pressure control system |
CN106744434A (en) * | 2016-11-22 | 2017-05-31 | 中船华南船舶机械有限公司 | Overload crane protection device |
-
2019
- 2019-09-10 CN CN201910853171.1A patent/CN110713129A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1598351A (en) * | 1977-10-27 | 1981-09-16 | Morrison A J S | Sea swell compensation |
EP1470014B1 (en) * | 2000-11-28 | 2006-04-19 | Shep Limited | Hydraulic energy storage systems |
CN203653138U (en) * | 2013-11-07 | 2014-06-18 | 河南耿发机械设备制造有限公司 | Hydraulic mechanism for endless rope winch |
CN103613027A (en) * | 2013-11-22 | 2014-03-05 | 无锡市海联舰船附件有限公司 | Towing-winch hydraulic control circuit for emergent cable pay-off |
CN106629449A (en) * | 2016-10-08 | 2017-05-10 | 武汉船用机械有限责任公司 | Constant-tension hydraulic pressure control system |
CN106744434A (en) * | 2016-11-22 | 2017-05-31 | 中船华南船舶机械有限公司 | Overload crane protection device |
Non-Patent Citations (1)
Title |
---|
张利平: "《液压气动系统设计手册》", 30 September 1997, 北京:机械工业出版社 * |
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