CN101634320B - Hydraulic equipment pipeline burst online safe continuous working system - Google Patents
Hydraulic equipment pipeline burst online safe continuous working system Download PDFInfo
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- CN101634320B CN101634320B CN2009100636444A CN200910063644A CN101634320B CN 101634320 B CN101634320 B CN 101634320B CN 2009100636444 A CN2009100636444 A CN 2009100636444A CN 200910063644 A CN200910063644 A CN 200910063644A CN 101634320 B CN101634320 B CN 101634320B
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- valve piece
- pipe outlet
- hydraulic actuator
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- 239000012530 fluid Substances 0.000 claims abstract description 3
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000009428 plumbing Methods 0.000 claims description 3
- 238000004880 explosion Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 4
- 230000009172 bursting Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
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Abstract
A hydraulic equipment pipeline burst online safe continuous working system comprises a working load (1), a hydraulic actuating element (2) connected with the working load (1), a pipeline outlet valve block (3) connected with the hydraulic actuating element (2) and a pipeline inlet valve block (5), wherein the pipeline inlet valve block (5) is provided with a pressure sensor (6), the pressure sensor monitors the pressure state of fluid in a protected pipeline (4) and converts the pressure state into electric signal to be input to an electric control gear (7), and the electric control gear (7) controls open and close and switching of the pipeline inlet valve block (5) and the pipeline outlet valve block (3) by controlling an oil line control valve block (8). The invention overcomes the disadvantage that the existing burst against equipment can do nothing but locking a hydraulic cylinder and stopping working. The invention can close the burst pipeline after the hydraulic equipment is burst and can cause the hydraulic equipment to be in continuous online operation.
Description
Technical field
The present invention relates to a kind of engineer equipment of using hydraulic transmission technology, realize closing, be converted to the backup pipeline simultaneously, the device that keeps the hydraulic system equipment safety uninterruptedly to work online and move implementing after the protected hydraulic pipe line burst explosion.More particularly it is a kind of hydraulic equipment pipeline burst online safe continuous working system.It is specially adapted to big heavy type, and operational reliability requires high, and the hydraulic equipment that can not be interrupted shutdown uses.
Background technique
Existing hydraulic equipment, particularly large hydraulic equipment are after the hydraulic tubing explosion, and the pressure of hydraulic jack or oil hydraulic motor releases; The work loads that hydraulic jack or oil hydraulic motor support can lose support force, and (this support force possibly be a thrust; Possibly be the power of pulling force or other form), if several hydraulic jack support works load, at this moment work loads can lose equilibrium of forces; Cause device damage, and serious security incident takes place.
A kind of hydraulic equipment pipeline anti-rupture device is arranged now, and it can be locked with the hydraulic jack of explosion pipeline when the hydraulic tubing explosion, makes this oil cylinder because of can not get fuel feeding, and quit work.When this device only supports a load at a hydraulic jack, have certain effect.But when supporting a large-scale load by a plurality of hydraulic jacks (like four hydraulic jacks, even more heavy wool cylinder), can also proper functioning because of other unspoiled oil cylinder, security incident can take place because of force unbalance in work loads equally.And, because of hydraulic jack locked after, equipment is stopped work and also can be caused certain loss.Therefore, research and develop a kind of equipment, it can be with the pipe sealing of explosion behind hydraulic equipment pipeline burst, and hydraulic equipment is worked online continuously, becomes a very urgent task.
Summary of the invention
The objective of the invention is to overcome above-mentioned existing disadvantages of background technology part, and a kind of hydraulic equipment pipeline burst online safe continuous working system is provided.
The objective of the invention is to reach: hydraulic equipment pipeline burst online safe continuous working system through following measure; It comprises work loads; The hydraulic actuator that is connected with work loads; It is characterized in that it also comprises pipe outlet valve piece and the conduit entrance valve piece that is connected with hydraulic actuator, have two to be protected pipeline between pipe outlet valve piece and conduit entrance valve piece, the packaged pressure transducer that is provided with of conduit entrance valve; Pressure sensor monitoring by the pressure state of protection pipeline inner fluid; And convert pressure state into electrical signal and be input to electric controller, electric controller is through control oil channel control valve piece, the switching and the conversion of controlling plumbing fixtures inlet valve piece and pipe outlet valve piece.
In technique scheme, the said hydraulic actuator that is connected with work loads has 1-4, described hydraulic actuator or be hydraulic jack or be oil hydraulic motor.
In technique scheme, said pipe outlet valve piece or be connected, or is connected with rodless cavity that hydraulic pressure is carried out original paper with the rod chamber of hydraulic actuator, or carry out the rod chamber of original paper with hydraulic pressure simultaneously and the rodless cavity of hydraulic pressure execution original paper is connected.
In technique scheme, said pipe outlet valve piece, conduit entrance valve piece and control oil channel valve piece or are that two directional control valves parallel with one another are formed all or be that two logical valves parallel with one another are formed, or are that two control valves parallel with one another are formed.
1., anyly require protected pipeline that this safety on line continuous working system all can be installed hydraulic equipment pipeline burst online safe continuous working system of the present invention has following advantage:; To being protected by protection pipeline (pipeline that is connected or is connected with rod chamber) with rodless cavity; Effectively prevented to cause the possibility of security incident because of being caused large-scale work loads disequilibrium by the protection pipeline burst.2., have backup pipeline conversion, can keep the equipment non-stop run.Reduced the loss that causes shut-down, stops production because of security incident.3., simple in structure, easy to use.
Description of drawings
Fig. 1 is hydraulic equipment pipeline burst on-line continuous work system embodiment's 1 of the present invention structure principle chart (driving a work loads by two hydraulic jacks).
Fig. 2 is hydraulic equipment pipeline burst on-line continuous work system embodiment's 2 of the present invention structure principle chart (driving a work loads by four hydraulic jacks).
The structural representation of Fig. 3 hydraulic equipment pipeline burst on-line continuous of the present invention work system.
1. work loadss among the figure, 2. hydraulic actuator, 21. rod chambers, 22. rodless cavities, 3. pipe outlet valve piece; 31. logical valve I, 31a. logical valve A1,31b. logical valve B1,32. logical valve II, 32a. logical valve A2; 32b. logical valve B2,4. by the protection pipeline, 41. by protection pipeline I, and 42. by protection pipeline II, and 43. by protection pipeline III; 44. by protection pipeline IV, 5. conduit entrance valve piece, 51. Pilot operated check valve I, 52. Pilot operated check valve II, 6. pressure transducers; 61. pressure transducer I, 62. pressure transducer II, 63. pressure transducer III, 64. pressure transducer IV, 7. electric controllers; 8. control oil channel valve piece, 81. electromagnetic direction valve I, 82. electromagnetic direction valve II, 9. working connection position control valve (being installed on the main oil supply pipeline).
Embodiment
Specify performance of the present invention below in conjunction with accompanying drawing, but they do not constitute to qualification of the present invention, only do for example.Simultaneously through explaining that advantage of the present invention will become clear more and easy and understand.
Consulting accompanying drawing can know: hydraulic equipment pipeline burst on-line continuous work system; It comprises work loads 1; With the hydraulic actuator 2 that work heavy burden 1 is connected, the pipe outlet valve piece 3 that is connected with hydraulic actuator 2, there are two to be protected pipeline 4 between pipe outlet valve piece 3 and conduit entrance valve piece 5; Conduit entrance valve piece 5 is connected with pressure transducer 6; Pressure transducer 6 is connected with electric controller 7, and electric controller 7 is connected with control oil channel valve piece 8, the conversion of the output terminal controlling plumbing fixtures inlet valve piece 5 of control oil channel valve piece 8 and the switching of pipe outlet valve piece 3 and backup pipeline.The hydraulic actuator 2 that is connected with work loads 1 has 1-4, described hydraulic actuator 2 or be hydraulic jack or be oil hydraulic motor.
Pipe outlet valve piece 3 or be connected, or is connected with rodless cavity 22 that hydraulic pressure is carried out original paper 2 with the rod chamber 21 of hydraulic actuator 2, or carry out the rod chamber 21 of original paper 2 with hydraulic pressure simultaneously and the rodless cavity 22 of hydraulic pressure execution original paper 2 is connected.
Pipe outlet valve piece 3, conduit entrance valve piece 5 and control oil channel valve piece 8 or are that two directional control valves parallel with one another are formed all or be that two logical valves parallel with one another are formed, or are that two control valves parallel with one another are formed.
It is the situation of two hydraulic actuators (it is hydraulic jack that hydraulic pressure is carried out original paper) support works heavy duty 1; Pipe outlet valve piece 3 wherein is connected with the rodless cavity of hydraulic jack 2; Pipe outlet valve piece 3 wherein, conduit entrance valve piece 5, be that two logical valves parallel with one another are formed; Or be that two directional control valves parallel with one another are formed, or be that two control valves parallel with one another are formed (also can be can unidirectional conducting other parts form).
When being protected pipeline 4 quilt wherein to protect pipeline burst for two; Pressure transducer 6 detects in the conduit entrance valve piece 5 and pass to electric controller 7 with the pressure change signal of being protected pipeline 4 of explosion and with this signal at once; Electric controller 7 is issued control oil channel valve piece 8 with control command again; Control oil channel valve piece 8 will be closed another subsequent use operating valve (in the conduit entrance valve piece 5) conducting with the operating valve by in the conduit entrance valve piece 5 of protecting pipeline 4 to be connected of explosion; To close another operating valve (in the pipe outlet valve piece 3) conducting with the operating valve by the pipe outlet valve piece 3 of protecting pipeline 4 to be connected of explosion simultaneously; At this moment protected the backup line proper functioning of pipeline 4, thereby realize smoothly sealing the explosion pipe ends when hydraulic equipment happens suddenly pipeline burst, switched to the backup pipeline simultaneously, the online uninterrupted continuous operation of maintenance equipment.In like manner, the protection philosophy of another hydraulic jack is identical therewith, at this (as shown in Figure 1) is described no longer.
It is the situation that four hydraulic pressure are carried out original paper (it is hydraulic jack that hydraulic pressure is carried out original paper) support works heavy duty 1; Pipe outlet valve piece 3 wherein is connected with the rodless cavity of hydraulic jack 2; Pipe outlet valve piece 3 wherein, conduit entrance valve piece 5, control oil channel valve piece 8 or be that two logical valves parallel with one another are formed; Or be that two directional control valves parallel with one another are formed, or be that two control valves parallel with one another are formed (also can be can unidirectional conducting other parts form).Its working principle and embodiment 1 are identical, no longer explain at this.
It is the situation (as shown in Figure 3) of two hydraulic actuators (hydraulic actuator is a hydraulic jack) support works load (work loads among the figure does not draw).
Wherein, protected pipeline II 42, protected pipeline III 43, protected the pipeline that needs protection and backup conversion in the pipeline IV44 system, device by protection pipeline I 41.
Pipe outlet valve piece 3 wherein is that logical valve I 31 (comprises the logical valve A131a and the logical valve B131b that are in parallel in the diagram; And it is subsequent use each other); Logical valve II 32 (comprises the logical valve A232a and the logical valve B232b that are in parallel; And subsequent use each other), Pilot operated check valve I 51, Pilot operated check valve II 52 (pipe outlet valve piece 3 constitutes with logical valve and Pilot operated check valve respectively with conduit entrance valve piece 5); Control oil channel valve piece 8 is electromagnetic direction valve I 81 among the figure, and electromagnetic direction valve II 82 forms (being that two impulse type electromagnetic direction valves constitute).
Pressure transducer I 61, pressure transducer II 62, pressure transducer III 63, pressure transducer IV64 are installed in respectively and are protected pipeline IV44, are protected pipeline I 41, are protected pipeline III 43, in the pipeline of protecting pipeline II 42 to link to each other.
For example: when the time by protection pipeline I 41 explosions; The information that pressure transducer II 62 will detect pressure jump immediately is delivered to electric controller 7 (not shown)s; Electric controller 7 is electromagnetic direction valve I 81 actions in the control oil channel valve piece, control logic valve A131a, and logical valve B232b closes; While control logic valve B131b, logical valve A232a opens; Promptly closed and comprise the explosion pipeline and protected pipeline I 41, an end of being protected pipeline IV44 with opened homonymy by protection pipeline II 42, protect pipeline III43 to hold.
Electromagnetic direction valve II 82 actions in 7 while of the electric controller control oil channel valve piece 8, control Pilot operated check valve I 51 closes, and Pilot operated check valve II 52 opens; Promptly closed and comprised by explosion pipeline I 41, the other end of being protected pipeline IV 44 with opened homonymy by explosion pipeline II 42, by explosion pipeline III43.
The realization of above-mentioned functions has promptly been accomplished the protection of pipeline burst bursting accident in the hydraulic equipment operation and has been kept running without interruption under the hydraulic equipment pipe burst bursting accident situation.
In like manner: when by protection pipeline II 42 explosions, then protected pipeline II 42, protected the two ends of pipeline III 43 to close; By protection pipeline I 41, protected the two ends of pipeline IV44 to open simultaneously.
Claims (5)
1. hydraulic equipment pipeline burst online safe continuous working system; It comprises work loads (1); The hydraulic actuator (2) that is connected with work loads (1); It is characterized in that it also comprises pipe outlet valve piece (3) and the conduit entrance valve piece (5) that is connected with hydraulic actuator (2), have two to be protected pipeline (4) to be positioned between pipe outlet valve piece (3) and the conduit entrance valve piece (5), conduit entrance valve piece (5) is equiped with pressure transducer (6); Pressure transducer (6) is being monitored by the pressure state of protection pipeline (4) inner fluid; And convert pressure state into electrical signal and be input to electric controller (7), electric controller (7) is through control oil channel valve (8), the switching and the conversion of controlling plumbing fixtures inlet valve piece (5) and pipe outlet valve piece (3).
2. hydraulic equipment pipeline burst online safe continuous working system according to claim 1; It is characterized in that the said hydraulic actuator (2) that is connected with work loads (1) has 1-4, described hydraulic actuator (2) or be hydraulic jack or be oil hydraulic motor.
3. hydraulic equipment pipeline burst online safe continuous working system according to claim 1; It is characterized in that said pipe outlet valve piece (3) or be connected with the rod chamber (21) of hydraulic actuator (2); Or be connected, or be connected with the rod chamber (21) of hydraulic actuator (2) and the rodless cavity (22) of hydraulic actuator (2) simultaneously with the rodless cavity (22) of hydraulic actuator (2).
4. hydraulic equipment pipeline burst online safe continuous working system according to claim 1; It is characterized in that said pipe outlet valve piece (3), conduit entrance valve piece (5) and oil circuit valve (8) all or be that two logical valves parallel with one another are formed, or be that two directional control valves parallel with one another are formed.
5. hydraulic equipment pipeline burst online safe continuous working system according to claim 1 is characterized in that said pipe outlet valve piece (3), conduit entrance valve piece (5) and oil circuit valve (8) are two control valves parallel with one another and form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100636444A CN101634320B (en) | 2009-08-17 | 2009-08-17 | Hydraulic equipment pipeline burst online safe continuous working system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100636444A CN101634320B (en) | 2009-08-17 | 2009-08-17 | Hydraulic equipment pipeline burst online safe continuous working system |
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| Publication Number | Publication Date |
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| CN101634320A CN101634320A (en) | 2010-01-27 |
| CN101634320B true CN101634320B (en) | 2012-05-30 |
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| CN2009100636444A Expired - Fee Related CN101634320B (en) | 2009-08-17 | 2009-08-17 | Hydraulic equipment pipeline burst online safe continuous working system |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102691156B1 (en) * | 2019-06-27 | 2024-08-01 | 에이치디현대인프라코어 주식회사 | Construction machinery |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4091715A (en) * | 1975-05-30 | 1978-05-30 | Deggendorfer Werft Und Eisenbau G.M.B.H. | Hydraulic system for opening and closing hopper barges |
| US4232588A (en) * | 1977-02-23 | 1980-11-11 | O & K Orenstein & Koppel Aktiengesellschaft | Electrically controlled pipe fracture safety device |
| CN2474765Y (en) * | 2001-03-23 | 2002-01-30 | 江苏理工大学 | Hydraulic explosion-proof safety lock valve for engineering construction machinery |
| CN201496345U (en) * | 2009-08-17 | 2010-06-02 | 武汉华液传动自控有限公司 | Pipeline bursting online security continuous work system of hydraulic equipment |
-
2009
- 2009-08-17 CN CN2009100636444A patent/CN101634320B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4091715A (en) * | 1975-05-30 | 1978-05-30 | Deggendorfer Werft Und Eisenbau G.M.B.H. | Hydraulic system for opening and closing hopper barges |
| US4232588A (en) * | 1977-02-23 | 1980-11-11 | O & K Orenstein & Koppel Aktiengesellschaft | Electrically controlled pipe fracture safety device |
| CN2474765Y (en) * | 2001-03-23 | 2002-01-30 | 江苏理工大学 | Hydraulic explosion-proof safety lock valve for engineering construction machinery |
| CN201496345U (en) * | 2009-08-17 | 2010-06-02 | 武汉华液传动自控有限公司 | Pipeline bursting online security continuous work system of hydraulic equipment |
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| Publication number | Publication date |
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| CN101634320A (en) | 2010-01-27 |
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Owner name: WUHAN HUAYE AUTOMATION MACHINERY CO., LTD. Free format text: FORMER OWNER: WUHAN HUAYE AYTOMATION CO., LTD. Effective date: 20120308 |
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Effective date of registration: 20120308 Address after: 100 No. 430301 Hubei city of Wuhan province Hengdian street Huangpi District Zhengtong Road Applicant after: WUHAN HUAYE AUTOMATION MACHINERY Co.,Ltd. Address before: Hubei province Wuhan City Changfeng Road 430034 Qiaokou District No. 8. Applicant before: WUHAN HUAYE AYTOMATION Co.,Ltd. |
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