CN104279199A - Hydraulic supporting control system and anti-misoperation supporting device - Google Patents
Hydraulic supporting control system and anti-misoperation supporting device Download PDFInfo
- Publication number
- CN104279199A CN104279199A CN201410561080.8A CN201410561080A CN104279199A CN 104279199 A CN104279199 A CN 104279199A CN 201410561080 A CN201410561080 A CN 201410561080A CN 104279199 A CN104279199 A CN 104279199A
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- Prior art keywords
- hydraulic
- valve
- misoperation
- hydraulic jack
- control valve
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Classifications
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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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
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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
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
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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
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
- F15B19/005—Fault detection or monitoring
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a hydraulic supporting control system and an anti-misoperation supporting device. The hydraulic supporting control system comprises a controller, a hydraulic pump, a first hydraulic oil cylinder, a second hydraulic oil cylinder, a first oil cylinder control valve and a second oil cylinder control valve, a distance detection device is arranged on the controller connectively, a normally-open electromagnetic valve is arranged between an oil outlet of the hydraulic pump and a hydraulic oil tank so as to form a hydraulic loop, the first oil cylinder control valve is connected with the first hydraulic oil cylinder so as to control telescoping thereof, the second oil cylinder control valve is connected with the second hydraulic oil cylinder so as to control telescoping thereof, a control end of the normally-open electromagnetic valve is connected with the controller, and an unloading valve is arranged between the first oil cylinder control valve and the first hydraulic oil cylinder. By the means, the hydraulic supporting control system and the anti-misoperation supporting device have the advantage that protecting measures are set for starting and recovery of the first hydraulic oil cylinder, and thereby safety during misoperation is guaranteed.
Description
Technical field
The present invention relates to support leg for engineered machine apparatus design field, particularly relate to a kind of hydraulic pressure support control system and anti-misoperation support device.
Background technique
The reliability that a lot of engineering mechanical device (as concrete mixer, hoist, fire-fighting truck etc.) is guarantee work, is all provided with passive supporting leg on equipment.The action of supporting leg mainly comprises expansion and supports, and all needs launched by supporting leg and support to place before normal operation.These two actions are controlled by different manually operated valves or electrically-controlled valve respectively; the operating grip controlling to launch and support often can be got wrong when operating supporting leg by operator; easily occur that support cylinder does not leave supporter and launches oil cylinder with regard to action; cause launching oil cylinder, supporting leg or support cylinder and occur structural damage, the equipment that affects normally works or occurs serious accident.In order to prevent the above fault, need to design a kind of hydraulic control system and device preventing supporting leg misoperation.
Existing traditional method is main or reduced by the training of operator and experience and occur this type of fault, but the method still cannot be avoided occurring misoperation.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of hydraulic pressure support control system and anti-misoperation support device, determines whether support cylinder leaves supporter, avoids misoperation, and Security is high by detection device.
For solving the problems of the technologies described above, the technological scheme that the present invention adopts is: provide a kind of hydraulic pressure support control system, comprise: controller, oil hydraulic pump, first hydraulic jack, second hydraulic jack, first ram control valve and the second ram control valve, described controller is connected with a distance detection device, the filler opening of described oil hydraulic pump is connected with a hydraulic oil container, be provided with a normally open solenoid valve between the oil outlet of described oil hydraulic pump and hydraulic oil container and form oil hydraulic circuit, described first ram control valve and the second ram control valve are connected in parallel in oil hydraulic circuit with normally open solenoid valve respectively, described first ram control valve is connected to control it and stretches with the first hydraulic jack, described second ram control valve is connected to control it and stretches with the second hydraulic jack, the control end of described normally open solenoid valve is connected with controller, described controller is also connected with start button, unloading valve is provided with between described first ram control valve and the first hydraulic jack, the control end of described unloading valve is connected with controller.
In a preferred embodiment of the present invention, described oil hydraulic circuit is also provided with a relief valve in parallel with normally open solenoid valve.
In a preferred embodiment of the present invention, described normally open solenoid valve is for often to drive 2/2-way solenoid valve, and described unloading valve is normally closed 2/2-way solenoid valve.
In a preferred embodiment of the present invention, between described first ram control valve and the first hydraulic jack, be provided with the first hydraulic lock, between described second ram control valve and the second hydraulic jack, be provided with the second hydraulic lock.
For solving the problems of the technologies described above, another technical solution used in the present invention is: provide a kind of anti-misoperation support device, comprises described hydraulic pressure support control system.
In a preferred embodiment of the present invention, described anti-misoperation support device also comprises square opening stop sleeve and level stretches out supporting leg, described level stretches out that supporting leg is horizontal extends to the outside of square opening stop sleeve front opening in square opening stop sleeve, described distance detection device be arranged on end that level stretches out supporting leg with detection level stretch out supporting leg front end stressed time its end and the distance between square opening stop sleeve wainscot or lower wall panels change.
In a preferred embodiment of the present invention, described first hydraulic jack connects and is arranged on square opening stop sleeve end and level and stretches out and stretch out supporting leg with promotion level between supporting leg and stretch.
In a preferred embodiment of the present invention, described second hydraulic jack is vertically set on the front end that level stretches out supporting leg, and the flexible rod of described second hydraulic jack vertically points to ground and its end is provided with a cushion block.
The invention has the beneficial effects as follows: a kind of hydraulic pressure support control system that the present invention points out and anti-misoperation support device, operator presses start button makes normally open solenoid valve obtain electric and cut out, then just the first hydraulic jack can be controlled or the second hydraulic jack carries out work, avoid the uncertain factor that misoperation brings, and before cushion block does not leave supporter, level is stretched out the stressed tilting in supporting leg front end and causes terminal position to change thereupon, distance detection device is transferred to controller the data that terminal position changes, controller is not before terminal position change returns to setting value, before namely cushion block does not leave supporter, keep obtaining of unloading valve electric, make the first hydraulic jack cannot action, guarantee Security during misoperation.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of a kind of hydraulic pressure support control system of the present invention and anti-misoperation support device one preferred embodiment;
In accompanying drawing, the mark of each parts is as follows: 1, controller, and 2, oil hydraulic pump, 3, distance detection device, 4, the first hydraulic jack, the 5, second hydraulic jack, 6, normally open solenoid valve, 7, the first ram control valve, the 8, second ram control valve, the 91, first hydraulic lock, 92, the second hydraulic lock, 10, relief valve, 11, start button, 12, unloading valve, 21, hydraulic oil container, 41, square opening stop sleeve, 42, level stretches out supporting leg, and 51, cushion block.
Embodiment
Be clearly and completely described to the technological scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, the embodiment of the present invention comprises:
A kind of hydraulic pressure support control system, comprise: controller 1, oil hydraulic pump 2, first hydraulic jack 4, second hydraulic jack 5, first ram control valve 7 and the second ram control valve 8, described controller 1 is connected with a distance detection device 3, the filler opening of described oil hydraulic pump 2 is connected with a hydraulic oil container 21, be provided with a normally open solenoid valve 6 between the oil outlet of described oil hydraulic pump 2 and hydraulic oil container 21 and form oil hydraulic circuit, described first ram control valve 7 and the second ram control valve 8 are connected in parallel in oil hydraulic circuit with normally open solenoid valve 6 respectively, described first ram control valve 7 is connected to control it and stretches with the first hydraulic jack 4, described second ram control valve 8 is connected to control it and stretches with the second hydraulic jack 5, the control end of described normally open solenoid valve 6 is connected with controller 1, described controller 1 is also connected with start button 11, unloading valve 12 is provided with between described first ram control valve 7 and the first hydraulic jack 4, the control end of described unloading valve 12 is connected with controller 1, avoid misoperation and regain the first hydraulic jack 4.
A kind of hydraulic pressure support stability of control system of the present invention is high, and described oil hydraulic circuit is also provided with a relief valve 10 in parallel with normally open solenoid valve 6.
Further, described normally open solenoid valve 6 is for often to drive 2/2-way solenoid valve, operator presses start button 11 makes normally open solenoid valve 6 obtain electric and cut out, then the first hydraulic jack 4 can just be controlled or the second hydraulic jack 5 carries out work, start button 11 loses pressing then because oil-break stops the action of two oil cylinders at once, avoid the uncertain factor that inoperative period or startup period misoperation bring, described unloading valve 12 is normally closed 2/2-way solenoid valve, must not work during electricity, the normal extension of the first hydraulic jack 4 can not be affected.
Further, between described first ram control valve 7 and the first hydraulic jack 4, be provided with the first hydraulic lock, between described second ram control valve 8 and the second hydraulic jack 5, be provided with the second hydraulic lock 92.
For solving the problems of the technologies described above, another technical solution used in the present invention is: provide a kind of anti-misoperation support device, comprises described hydraulic pressure support control system.
Further, described anti-misoperation support device also comprises square opening stop sleeve 41 and level stretches out supporting leg 42, described level stretches out that supporting leg 42 is horizontal extends to the outside of square opening stop sleeve 41 front opening in square opening stop sleeve 41, described distance detection device 3 be arranged on end that level stretches out supporting leg 42 with detection level stretch out supporting leg 42 front end stressed time its end and the distance between square opening stop sleeve 41 wainscot or lower wall panels change.
Further, described first hydraulic jack 4 connects and is arranged on square opening stop sleeve 41 end and level and stretches out and stretch out supporting leg 42 with promotion level between supporting leg 42 and stretch.
Further, described second hydraulic jack 5 is vertically set on the front end that level stretches out supporting leg 42, and the flexible rod of described second hydraulic jack 5 vertically points to ground and its end is provided with a cushion block 51.Security during recovery is crucial, thoroughly do not depart from the supporter of bottom at cushion block 51 before, level is stretched out supporting leg 42 front end and is caused terminal position to change by reaction force tilts thereupon, distance detection device 3 is transferred to controller 1 the data that terminal position changes, controller 1 is not before terminal position change returns to setting value, before namely cushion block 51 does not leave supporter, keep obtaining of unloading valve 12 electric, make the first hydraulic jack 4 cannot action, Security when guaranteeing to reclaim during misoperation, once cushion block 51 departs from supporter, unloading valve 12 dead electricity, first hydraulic jack 4 is able to normal work.
In sum, a kind of hydraulic pressure support control system that the present invention points out and anti-misoperation support device, by simple in parallel and around engineering vehicle the several anti-misoperation support device of increase, improve the stability supported, fool proof performance is good, and operating security is high.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (8)
1. a hydraulic pressure support control system, it is characterized in that, comprise: controller, oil hydraulic pump, first hydraulic jack, second hydraulic jack, first ram control valve and the second ram control valve, described controller is connected with a distance detection device, the filler opening of described oil hydraulic pump is connected with a hydraulic oil container, be provided with a normally open solenoid valve between the oil outlet of described oil hydraulic pump and hydraulic oil container and form oil hydraulic circuit, described first ram control valve and the second ram control valve are connected in parallel in oil hydraulic circuit with normally open solenoid valve respectively, described first ram control valve is connected to control it and stretches with the first hydraulic jack, described second ram control valve is connected to control it and stretches with the second hydraulic jack, the control end of described normally open solenoid valve is connected with controller, described controller is also connected with start button, unloading valve is provided with between described first ram control valve and the first hydraulic jack, the control end of described unloading valve is connected with controller.
2. hydraulic pressure support control system according to claim 1, is characterized in that, described oil hydraulic circuit is also provided with a relief valve in parallel with normally open solenoid valve.
3. hydraulic pressure support control system according to claim 1, is characterized in that, described normally open solenoid valve is for often to drive 2/2-way solenoid valve, and described unloading valve is normally closed 2/2-way solenoid valve.
4. hydraulic pressure support control system according to claim 1, is characterized in that, is provided with the first hydraulic lock between described first ram control valve and the first hydraulic jack, is provided with the second hydraulic lock between described second ram control valve and the second hydraulic jack.
5. an anti-misoperation support device, is characterized in that, comprises the arbitrary described hydraulic pressure support control system of Claims 1-4.
6. anti-misoperation support device according to claim 5, it is characterized in that, described anti-misoperation support device also comprises square opening stop sleeve and level stretches out supporting leg, described level stretches out that supporting leg is horizontal extends to the outside of square opening stop sleeve front opening in square opening stop sleeve, described distance detection device be arranged on end that level stretches out supporting leg with detection level stretch out supporting leg front end stressed time its end and the distance between square opening stop sleeve wainscot or lower wall panels change.
7. anti-misoperation support device according to claim 6, is characterized in that, described first hydraulic jack connects and is arranged on square opening stop sleeve end and level and stretches out and stretch out supporting leg with promotion level between supporting leg and stretch.
8. anti-misoperation support device according to claim 6, is characterized in that, described second hydraulic jack is vertically set on the front end that level stretches out supporting leg, and the flexible rod of described second hydraulic jack vertically points to ground and its end is provided with a cushion block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410561080.8A CN104279199B (en) | 2014-10-21 | 2014-10-21 | A kind of hydraulic pressure support controls system and support arrangement is propped up in anti-misoperation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410561080.8A CN104279199B (en) | 2014-10-21 | 2014-10-21 | A kind of hydraulic pressure support controls system and support arrangement is propped up in anti-misoperation |
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| Publication Number | Publication Date |
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| CN104279199A true CN104279199A (en) | 2015-01-14 |
| CN104279199B CN104279199B (en) | 2016-06-22 |
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| CN201410561080.8A Active CN104279199B (en) | 2014-10-21 | 2014-10-21 | A kind of hydraulic pressure support controls system and support arrangement is propped up in anti-misoperation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907363A (en) * | 2017-04-21 | 2017-06-30 | 江苏犀牛重工机械有限公司 | The rubber-tyred materials-taking machine that a kind of power accumulator drives |
| CN108916139A (en) * | 2018-06-15 | 2018-11-30 | 沪东中华造船(集团)有限公司 | A kind of fluid pressure type moulding bed support system and its application method |
| CN110939628A (en) * | 2019-12-05 | 2020-03-31 | 江苏悦达专用车有限公司 | Safety protection type hydro-cylinder device |
| CN112780631A (en) * | 2021-01-13 | 2021-05-11 | 华中科技大学无锡研究院 | Multi-way valve with unloading protection function |
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| DE102007057624A1 (en) * | 2007-11-30 | 2009-06-04 | Robert Bosch Gmbh | Actuating device for electro-hydraulic operating device of motor vehicle i.e. cabriolet-hood, has connection line branched from pressure medium line and connected with control pressure chamber of another cylinder over delay unit |
| CN201818571U (en) * | 2010-09-27 | 2011-05-04 | 武桥重工集团股份有限公司 | Hydraulic system controlling two oil cylinders to sequentially telescope |
| CN102381230A (en) * | 2011-08-23 | 2012-03-21 | 三一重工股份有限公司 | Demountable tanker truck and hydraulic system thereof |
| CN203248435U (en) * | 2013-04-26 | 2013-10-23 | 三一汽车制造有限公司 | Hydraulic driving system, boom system and concrete cloth device |
| CN103898940A (en) * | 2012-12-26 | 2014-07-02 | 神钢建设机械株式会社 | Rotation control device and construction machine including rotation control device |
| CN204127003U (en) * | 2014-10-21 | 2015-01-28 | 恒天创丰重工有限公司 | A kind of hydraulic pressure support control system and anti-misoperation support device |
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2014
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6189432B1 (en) * | 1999-03-12 | 2001-02-20 | Hunter Engineering Company | Automotive lift hydraulic fluid control circuit |
| DE102007057624A1 (en) * | 2007-11-30 | 2009-06-04 | Robert Bosch Gmbh | Actuating device for electro-hydraulic operating device of motor vehicle i.e. cabriolet-hood, has connection line branched from pressure medium line and connected with control pressure chamber of another cylinder over delay unit |
| CN201818571U (en) * | 2010-09-27 | 2011-05-04 | 武桥重工集团股份有限公司 | Hydraulic system controlling two oil cylinders to sequentially telescope |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907363A (en) * | 2017-04-21 | 2017-06-30 | 江苏犀牛重工机械有限公司 | The rubber-tyred materials-taking machine that a kind of power accumulator drives |
| CN108916139A (en) * | 2018-06-15 | 2018-11-30 | 沪东中华造船(集团)有限公司 | A kind of fluid pressure type moulding bed support system and its application method |
| CN108916139B (en) * | 2018-06-15 | 2020-08-07 | 沪东中华造船(集团)有限公司 | Hydraulic type jig frame supporting system and using method thereof |
| CN110939628A (en) * | 2019-12-05 | 2020-03-31 | 江苏悦达专用车有限公司 | Safety protection type hydro-cylinder device |
| CN112780631A (en) * | 2021-01-13 | 2021-05-11 | 华中科技大学无锡研究院 | Multi-way valve with unloading protection function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104279199B (en) | 2016-06-22 |
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Effective date of registration: 20161229 Address after: 410000 Hunan province Changsha City Economic and Technological Development Zone Li Xiang Road No. 236 Patentee after: CHTC JOVE Heavy Industry Co., Ltd. Address before: 224100 Jiangsu province Yancheng City Dazhong Town Industrial Park Dafeng City Office Patentee before: CHTC CHUANG FENG HEAVY INDUSTRY CO., LTD. |