CN102878142A - Constant-tension proportional hydraulic valve group - Google Patents
Constant-tension proportional hydraulic valve group Download PDFInfo
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- CN102878142A CN102878142A CN2012104262019A CN201210426201A CN102878142A CN 102878142 A CN102878142 A CN 102878142A CN 2012104262019 A CN2012104262019 A CN 2012104262019A CN 201210426201 A CN201210426201 A CN 201210426201A CN 102878142 A CN102878142 A CN 102878142A
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Abstract
The invention discloses a constant-tension proportional hydraulic valve group which comprises a balance valve and a logical valve; an interface end A1 is arranged at one end of the balance valve and an oil port end A is arranged at the other end of the balance valve; an interface end B1 is arranged at one end of the logical valve and an oil port end B is arranged at the other end of the logical valve; the balance valve is connected with the logical valve through a pipeline; a main safety valve and a first shuttle valve are additionally connected between the balance valve and the logical valve; the main safety valve is communicated with the interface end B1; the first shuttle valve is communicated with the oil port end B; the first shuttle valve is communicated with one end of the second shuttle valve; the other end of the second shuttle valve is communicated with the interface end A1; the second shuttle valve is connected with an oil port end S; the first shuttle valve is additionally connected with an electromagnetic valve through a pipeline; a pilot safety valve is connected on the electromagnetic valve in parallel; the logical valve is communicated with a pipeline between the first shuttle valve and the electromagnetic valve; a throttle port is additionally connected on the electromagnetic valve; and the pilot safety valve is connected with a pressure testing point. The constant-tension proportional hydraulic valve group has the advantages that the university is strong, and larger coverage range can be achieved owing to the winch flow and the tension.
Description
Technical field
The present invention relates to a kind of permanent tension force hydraulic valve bank of ratio that winch is used that is applicable to.
Background technique
At present, the development of ocean engineering job requirements is swift and violent, corresponding maritime works's device requirement is also larger, wherein crane gear possesses the basic demand that permanent tension function has become the deep-sea hoisting operation, the basic principle of permanent tension force lifting is to realize load compensation by oil hydraulic cylinder or hydraulic wireline winch with compensate function, but the concrete system that uses is varied, and spread in performance is uneven.
Summary of the invention
The objective of the invention is provides a kind of highly versatile in order to overcome above deficiency, and winch flow and tension force can be realized the permanent tension force hydraulic valve bank of the ratio that covers in a big way.
Purpose of the present invention is achieved through the following technical solutions: the permanent tension force hydraulic valve bank of a kind of ratio, described hydraulic valve bank comprises equilibrium valve and logical valve, one end of equilibrium valve is the A1 interface end, the other end of equilibrium valve is A hydraulic fluid port end, one end of logical valve is the B1 interface end, the other end of logical valve is B hydraulic fluid port end, link to each other by pipeline between equilibrium valve and the logical valve, also be connected with main safety valve and the first shuttle valve between equilibrium valve and the logical valve, main safety valve communicates with the B1 interface end, the first shuttle valve communicates with B hydraulic fluid port end, the first shuttle valve communicates with an end of the second shuttle valve, the other end of the second shuttle valve communicates with the A1 interface end, is connected with S hydraulic fluid port end on the second shuttle valve, and the first shuttle valve also is connected with solenoid valve by pipeline, solenoid valve is connected in parallel to the pilot stage safety valve, logical valve communicates with pipeline between the first shuttle valve and the solenoid valve, also is connected with restriction on the solenoid valve, and the pilot stage safety valve is connected with pressure-measuring point.
The present invention compared with prior art has the following advantages: by modular design, winch flow and tension force can be realized covering in a big way, complete function, simple installation, pressure (tension force), range of flow are large, can directly be installed on the common winch, realize permanent tension function, the valve group is except having both common working and permanent tension force working, the tension force of winch can be realized easily by valve group function, be connected with regulated signal by outside control mouth and can realize tension adjustment, different outward elements can be realized multistage or stepless tension force control easily.
Description of drawings:
Fig. 1 is structural representation of the present invention;
Number in the figure: 1-equilibrium valve, 2-logical valve, 3-A1 interface end, 4-A hydraulic fluid port end, 5-B1 interface end, 6-B hydraulic fluid port end, 7-main safety valve, 8-the first shuttle valve, 9-the second shuttle valve, 10-S hydraulic fluid port end, 11-solenoid valve, 12-pilot stage safety valve, 13-restriction, 14-pressure-measuring point.
Embodiment:
In order to deepen the understanding of the present invention, the invention will be further described below in conjunction with embodiment and accompanying drawing, and this embodiment only is used for explaining the present invention, does not consist of the restriction to protection domain of the present invention.
Show the embodiment of the permanent tension force hydraulic valve bank of a kind of ratio of the present invention such as Fig. 1, described hydraulic valve bank comprises equilibrium valve 1 and logical valve 2, one end of equilibrium valve 1 is A1 interface end 3, the other end of equilibrium valve 1 is A hydraulic fluid port end 4, one end of logical valve 2 is B1 interface end 5, the other end of logical valve 2 is B hydraulic fluid port end 6, link to each other by pipeline between equilibrium valve 1 and the logical valve 2, also be connected with main safety valve 7 and the first shuttle valve 8 between equilibrium valve 1 and the logical valve 2, main safety valve 7 communicates with B1 interface end 5, the first shuttle valve 8 communicates with B hydraulic fluid port end 6, the first shuttle valve 8 communicates with an end of the second shuttle valve 9, the other end of the second shuttle valve 9 communicates with A1 interface end 3, is connected with S hydraulic fluid port end 10, the first shuttle valves 8 on the second shuttle valve 9 and also is connected with solenoid valve 11 by pipeline, solenoid valve 11 is connected in parallel to pilot stage safety valve 12, logical valve 2 communicates with pipeline between the first shuttle valve 8 and the solenoid valve 11, also is connected with restriction 13 on the solenoid valve 11, and pilot stage safety valve 12 is connected with pressure-measuring point 14.
Hydraulic valve bank of the present invention is applicable to the permanent tension valve group that winch is used, by modular design, winch flow and tension force can be realized covering in a big way, can directly be installed on the common winch, realize permanent tension function, in use working line respectively with A1 interface end 3, B1 interface end 5 connects, long-range tension force is set up the valve pressure port and is connected with restriction 13, by the stepless or multistage adjustment of pressure, thereby realize permanent tension force stepless/multistage setting, A hydraulic fluid port end 4, B hydraulic fluid port end 6, the respectively rising of connecting fluid pressure motor of S hydraulic fluid port end 10, descend and the brake hydraulic fluid port, logical valve 2 can allow winch that higher speed of related movement is arranged under permanent tension force, this valve group is except having both common working and permanent tension force working, technical characteristics is that the tension force of winch can be realized easily by valve group function: remote pressure regulating valve is connected with restriction 13, by the stepless or multistage adjustment of pressure, thereby realize permanent tension force stepless/multistage setting, logical valve 3 can allow winch that higher speed of related movement is arranged under permanent tension force, only need select common or permanent tension force mode of operation during work, winch can switch, under permanent tension force mode of operation, regulate remote pressure regulating valve and can adjust in real time the working tension value, cut off the remote adjustment function and can realize fixing permanent tension force work.
The present invention is Integrated design, has complete function, tension force, advantage that the flow coverage area is large, is a kind of valve group with stronger versatility and application prospect.
When solenoid valve 11 when electric, winch switches to permanent tension state, and power station need continue to provide hydraulic oil to A1 interface end 3 hydraulic fluid ports, if the pressure that outer load produces is less than the setting value of remote pressure regulating valve, winch is " recovery " operating mode, and winch speed is by the size control of power station flow; If the pressure that outer load produces is greater than the setting value of remote-control pressure valve, winch " is put rope " under external force, the fuel feeding of power station is connected oil return, and to connect hydraulic fluid port by logical valve 2 to motor be 6 repairings of B hydraulic fluid port end with the motor port for drawdown, and unnecessary oil flows back to fuel tank from B1 interface end 5.By the setting of valve piece oil circuit and remote pressure regulating valve, control realizes the permanent tension force draw-in and draw-off function of winch, when the setting pressure of remote control mouth changes, and the corresponding change of permanent tension value, pilot stage safety valve 12 can limit the pressure that Daheng tension force is.Main safety valve can be decided first winch in the safe bearing load of nominal situation and permanent tension force operating mode simultaneously, realizes overload protection.
Claims (1)
1. the permanent tension force hydraulic valve bank of a ratio, it is characterized in that: described hydraulic valve bank comprises equilibrium valve (1) and logical valve (2), one end of described equilibrium valve (1) is A1 interface end (3), the other end of described equilibrium valve (1) is A hydraulic fluid port end (4), one end of described logical valve (2) is B1 interface end (5), the other end of described logical valve (2) is B hydraulic fluid port end (6), link to each other by pipeline between described equilibrium valve (1) and the described logical valve (2), also be connected with main safety valve (7) and the first shuttle valve (8) between described equilibrium valve (1) and the described logical valve (2), described main safety valve (7) communicates with described B1 interface end (5), described the first shuttle valve (8) communicates with B hydraulic fluid port end (6), described the first shuttle valve (8) communicates with an end of the second shuttle valve (9), the other end of described the second shuttle valve (9) communicates with A1 interface end (3), be connected with S hydraulic fluid port end (10) on described the second shuttle valve (9), described the first shuttle valve (8) also is connected with solenoid valve (11) by pipeline, described solenoid valve (11) is connected in parallel to pilot stage safety valve (12), described logical valve (2) communicates with pipeline between described the first shuttle valve (8) and the described solenoid valve (11), also be connected with restriction (13) on the described solenoid valve (11), described pilot stage safety valve (12) is connected with pressure-measuring point (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210426201.9A CN102878142B (en) | 2012-10-31 | 2012-10-31 | Constant-tension proportional hydraulic valve group |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210426201.9A CN102878142B (en) | 2012-10-31 | 2012-10-31 | Constant-tension proportional hydraulic valve group |
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| Publication Number | Publication Date |
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| CN102878142A true CN102878142A (en) | 2013-01-16 |
| CN102878142B CN102878142B (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210426201.9A Active CN102878142B (en) | 2012-10-31 | 2012-10-31 | Constant-tension proportional hydraulic valve group |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114084828A (en) * | 2021-11-11 | 2022-02-25 | 中船华南船舶机械有限公司 | Control method of constant tension valve |
| CN114084829A (en) * | 2021-11-11 | 2022-02-25 | 中船华南船舶机械有限公司 | Reliable constant tension valve |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4261451A (en) * | 1979-03-02 | 1981-04-14 | Northwest Engineering Company | Clutch drag controls for hoist drum |
| US6012707A (en) * | 1995-05-19 | 2000-01-11 | Tamrock Oy | Arrangement for controlling tension in a winch cable connected to rock drilling equipment |
| EP1163454B1 (en) * | 1999-03-24 | 2004-01-07 | Bosch Rexroth AG | Hydraulic pilot control |
| CN101011709A (en) * | 2007-01-09 | 2007-08-08 | 东北大学 | Ratio control hydraulic pressure system for implementing belt steel rolling constant-tension control |
| CN201201875Y (en) * | 2008-04-16 | 2009-03-04 | 中船华南船舶机械有限公司 | Constant tension device of hydraulic winch |
| CN201746869U (en) * | 2009-12-23 | 2011-02-16 | 北京海纳创为液压***技术有限公司 | Constant tension control system of hydraulic rotary table |
| CN202867381U (en) * | 2012-10-31 | 2013-04-10 | 南通润邦重机有限公司 | Hydraulic block with proportion constant tension |
-
2012
- 2012-10-31 CN CN201210426201.9A patent/CN102878142B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4261451A (en) * | 1979-03-02 | 1981-04-14 | Northwest Engineering Company | Clutch drag controls for hoist drum |
| US6012707A (en) * | 1995-05-19 | 2000-01-11 | Tamrock Oy | Arrangement for controlling tension in a winch cable connected to rock drilling equipment |
| EP1163454B1 (en) * | 1999-03-24 | 2004-01-07 | Bosch Rexroth AG | Hydraulic pilot control |
| CN101011709A (en) * | 2007-01-09 | 2007-08-08 | 东北大学 | Ratio control hydraulic pressure system for implementing belt steel rolling constant-tension control |
| CN201201875Y (en) * | 2008-04-16 | 2009-03-04 | 中船华南船舶机械有限公司 | Constant tension device of hydraulic winch |
| CN201746869U (en) * | 2009-12-23 | 2011-02-16 | 北京海纳创为液压***技术有限公司 | Constant tension control system of hydraulic rotary table |
| CN202867381U (en) * | 2012-10-31 | 2013-04-10 | 南通润邦重机有限公司 | Hydraulic block with proportion constant tension |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114084828A (en) * | 2021-11-11 | 2022-02-25 | 中船华南船舶机械有限公司 | Control method of constant tension valve |
| CN114084829A (en) * | 2021-11-11 | 2022-02-25 | 中船华南船舶机械有限公司 | Reliable constant tension valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102878142B (en) | 2015-03-18 |
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