CN207080447U - Synchronous hydraulic corrects system - Google Patents

Synchronous hydraulic corrects system Download PDF

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Publication number
CN207080447U
CN207080447U CN201720993812.XU CN201720993812U CN207080447U CN 207080447 U CN207080447 U CN 207080447U CN 201720993812 U CN201720993812 U CN 201720993812U CN 207080447 U CN207080447 U CN 207080447U
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CN
China
Prior art keywords
valve
directional control
bit triplet
solenoid directional
control valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201720993812.XU
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Chinese (zh)
Inventor
刘洪�
徐�明
张庚娣
谢建武
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Longcheng Hongli Hydraulic Equipment Co Ltd
Original Assignee
Jiangsu Longcheng Hongli Hydraulic Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Longcheng Hongli Hydraulic Equipment Co Ltd filed Critical Jiangsu Longcheng Hongli Hydraulic Equipment Co Ltd
Priority to CN201720993812.XU priority Critical patent/CN207080447U/en
Application granted granted Critical
Publication of CN207080447U publication Critical patent/CN207080447U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

It the utility model is related to hydraulic system technical field, system is corrected more particularly, to a kind of synchronous hydraulic, including performing oil cylinder, first two-bit triplet solenoid directional control valve, second two-bit triplet solenoid directional control valve and synchronous fuel tank, the oil inlet of the oil inlet of the first two-bit triplet solenoid directional control valve and the second two-bit triplet solenoid directional control valve is connected by external pipeline with oil inlet pipe, Hydraulic power units is provided with the oil inlet pipe, the utility model synchronous hydraulic corrects system in timing, control the second solenoid directional control valve and the 3rd solenoid directional control valve obtain it is electric, restPosed so that performing oil cylinder, the first normally open solenoid valve is controlled again, second normally open solenoid valve and the 4th two-bit triplet solenoid directional control valve obtain electric, so that synchronous fuel tank restPoses, correction performs oil cylinder and synchronous fuel tank in time, ensure that system run all right is reliable.

Description

Synchronous hydraulic corrects system
Technical field
Hydraulic system technical field is the utility model is related to, system is corrected more particularly, to a kind of synchronous hydraulic.
Background technology
With the fast development of economic construction of China, hydraulic system is increasingly increasing in the application of engineering machinery field. Hydraulic system be using hydraulic oil as working media, using hydraulic oil pressure energy and pass through hydraulic control component etc. manipulate hydraulic pressure The package unit of executing agency's work.Hydraulic jack is that hydraulic energy is changed into mechanical energy in hydraulic system, and it is past to do straight line The hydraulic actuator of multiple motion or oscillating motion.During with it to realize reciprocating motion, without drive gap, stable movement, because This is used widely in various mechanical hydraulic systems.Executive component meeting after a period of time is run in existing hydraulic system Appearance is deflected away from or recovered less than original state so that the action of executive component is not in place, causes executive component can not complete institute The action needed, reduces operating efficiency.
Utility model content
The technical problems to be solved in the utility model is:One section is being run in order to solve executive component in existing hydraulic system Occur after time and deflect away from or recover less than original state so that the problem of action of executive component is not in place, now provide A kind of synchronous hydraulic corrects system.
Technical scheme is used by the utility model solves its technical problem:A kind of synchronous hydraulic corrects system, including Perform oil cylinder, the first two-bit triplet solenoid directional control valve, the second two-bit triplet solenoid directional control valve and synchronous fuel tank, described the first two The oil inlet of the oil inlet of three-way solenoid valve and the second two-bit triplet solenoid directional control valve passes through external pipeline and oil inlet pipe Connect, Hydraulic power units, the oil return opening and second of the first two-bit triplet solenoid directional control valve are provided with the oil inlet pipe The oil return opening of two-bit triplet solenoid directional control valve is connected by external pipeline with flowline, the oil inlet pipe and flowline with oil Case is connected, and the actuator port of the first two-bit triplet solenoid directional control valve is connected by external pipeline and described synchronous fuel tank one end Logical, the synchronous fuel tank other end is connected by external pipeline with performing oil cylinder one end, and the execution oil cylinder other end passes through outer Adapter road connects with the actuator port of the second two-bit triplet solenoid directional control valve;
Also include the 3rd two-bit triplet solenoid directional control valve, the 4th two-bit triplet solenoid directional control valve, the first normally open solenoid valve, the Two normally open solenoid valves, hydraulic control one-way valve, shuttle valve and balanced valve, the oil inlet and the 4th of the 3rd two-bit triplet solenoid directional control valve The oil inlet of two-bit triplet solenoid directional control valve is connected by external pipeline with oil inlet pipe, the 3rd two-bit triplet electromagnetic switch The oil return opening of the oil return opening of valve and the 4th two-bit triplet solenoid directional control valve is connected by external pipeline with flowline, the hydraulic control Check valve is corresponded with the execution oil cylinder and set, the actuator port of the 3rd two-bit triplet solenoid directional control valve and the 4th liang The actuator port of position three-way solenoid valve is connected by external pipeline with one end of the hydraulic control one-way valve, the hydraulic control list Pass through external pipeline and the external pipeline of the corresponding close synchronous fuel tank one end hydraulic fluid port of the execution oil cylinder to the other end of valve Connection, first normally open solenoid valve and the second normally open solenoid valve are corresponded with the execution oil cylinder and set, and described first Normally open solenoid valve is arranged on the external pipeline between the execution oil cylinder and the synchronous fuel tank, second normally open solenoid valve It is arranged on the external pipeline between the execution oil cylinder and the second two-bit triplet solenoid directional control valve, one end of the shuttle valve Connected by external pipeline with the actuator port of the 4th two-bit triplet electromagnetism annular plate valve, the other end of the shuttle valve passes through outer Adapter road connects with the actuator port of the second two-bit triplet solenoid directional control valve, and the balanced valve is arranged on described the first two On external pipeline between the actuator port of three-way solenoid valve and the synchronous fuel tank, the balanced valve passes through external pipeline Connected with the shuttle valve.
The utility model is in timing, and the 3rd two-bit triplet solenoid directional control valve obtains electric, and pressure oil passes through the 3rd two-bit triplet The oil inlet of solenoid directional control valve reaches actuator port and simultaneously opens hydraulic control one-way valve, and the second two-bit triplet solenoid directional control valve obtains electric, makes Obtain hydraulic oil and oil inlet is reached by the actuator port of the second two-bit triplet solenoid directional control valve, then enter by the second normally open solenoid valve Enter to perform the rod chamber of oil cylinder so that perform oil cylinder and retract, while perform the fluid in oil cylinder rodless cavity and pass through the first normally opened electricity Magnet valve reaches hydraulic control one-way valve, then reaches the actuator port of the 4th two-bit triplet solenoid directional control valve, last liquid by hydraulic control one-way valve Force feed enters flowline by the oil return opening of the 4th two-bit triplet solenoid directional control valve and returns to fuel tank;Contracted completely when performing oil cylinder Return so that the first normally open solenoid valve and the second normally open solenoid valve all it is electric, then the 4th two-bit triplet solenoid directional control valve obtains electric Hydraulic oil enters synchronous fuel tank by hydraulic control one-way valve, while pressure oil enters by shuttle valve and opens balanced valve, allows synchronous oil Cylinder is fully retracted, i.e. correction is completed, and current state is that to perform oil cylinder and synchronous fuel tank be entirely initial position.
It is further, described fuel-displaced in order to prevent that the hydraulic oil oil return in fuel tank from impacting to Hydraulic Elements and damages Return check valve is provided with pipe.By setting return check valve on flowline so that hydraulic oil is merely able to enter fuel tank It is interior, it is impossible to which that hydraulic component is back to by flowline.
The beneficial effects of the utility model are:The utility model synchronous hydraulic corrects system in timing, the electricity of control second Magnetic reversal valve and the 3rd solenoid directional control valve obtain electric so that perform oil cylinder and restPose, then control the first normally open solenoid valve, the Two normally open solenoid valves and the 4th two-bit triplet solenoid directional control valve obtain electric so that synchronous fuel tank is restPosed, and correction in time is held Row oil cylinder and synchronous fuel tank, ensure that system run all right is reliable, avoid executive component in existing hydraulic system and running one section Occur after time and deflect away from or recover less than original state so that the action of executive component is not in place, cause executive component without Method complete needed for action, the problem of reducing operating efficiency.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is front view of the present utility model.
In figure:1st, execution oil cylinder, the 2, first two-bit triplet solenoid directional control valve, the 3, second two-bit triplet solenoid directional control valve, 4, Synchronous fuel tank, the 5, the 3rd two-bit triplet solenoid directional control valve, the 6, the 4th two-bit triplet solenoid directional control valve, the 7, first normally open solenoid valve, 8th, the second normally open solenoid valve, 9, hydraulic control one-way valve, 10, shuttle valve, 11, balanced valve, 12, return check valve, T, oil return opening, P, oil-feed Mouthful, A, actuator port.
Embodiment
Presently in connection with accompanying drawing, the utility model is described in more detail.These accompanying drawings are simplified schematic diagram, Only illustrate basic structure of the present utility model in a schematic way, therefore it only shows the composition relevant with the utility model.
Embodiment
As shown in figure 1, a kind of synchronous hydraulic correction system, including perform oil cylinder 1, the first two-bit triplet solenoid directional control valve 2, Second two-bit triplet solenoid directional control valve 3 and synchronous fuel tank 4, the oil inlet P and second of the first two-bit triplet solenoid directional control valve 2 The oil inlet P of two-bit triplet solenoid directional control valve 3 is connected by external pipeline with oil inlet pipe, and hydraulic pressure is provided with the oil inlet pipe Dynamical element, the oil return opening A and the second two-bit triplet solenoid directional control valve 3 of the first two-bit triplet solenoid directional control valve 2 oil return Mouth A is connected by external pipeline with flowline, and the oil inlet pipe and flowline connect with fuel tank, first two-bit triplet The actuator port A of solenoid directional control valve 2 is connected by external pipeline with described one end of synchronous fuel tank 4, the other end of synchronous fuel tank 4 Connect by external pipeline with performing oil cylinder 1 one end, the execution other end of oil cylinder 1 passes through external pipeline and described the second two The actuator port A connections of three-way solenoid valve 3;
Also include the 3rd two-bit triplet solenoid directional control valve 5, the 4th two-bit triplet solenoid directional control valve 6, the first normally open solenoid valve 7th, the second normally open solenoid valve 8, hydraulic control one-way valve 9, shuttle valve 10 and balanced valve 11, the 3rd two-bit triplet solenoid directional control valve 5 Oil inlet P and the oil inlet P of the 4th two-bit triplet solenoid directional control valve 6 are connected by external pipeline with oil inlet pipe, and the described 3rd The oil return opening A of two-bit triplet solenoid directional control valve 5 and the oil return opening A of the 4th two-bit triplet solenoid directional control valve 6 pass through external pipeline Connected with flowline, the hydraulic control one-way valve 9 is corresponded with the execution oil cylinder 1 and set, the 3rd two-bit triplet electromagnetism The actuator port A of reversal valve 5 and the actuator port A of the 4th two-bit triplet solenoid directional control valve 6 pass through external pipeline and the liquid One end connection of check valve 9 is controlled, the other end of the hydraulic control one-way valve 9 passes through external pipeline and the corresponding execution oil cylinder 1 close to one end hydraulic fluid port of synchronous fuel tank 4 external pipeline connect, the normally open solenoid valve 8 of the first normally open solenoid valve 7 and second with The execution oil cylinder 1, which corresponds, to be set, and first normally open solenoid valve 7 is arranged on the execution oil cylinder 1 and the synchronous oil On external pipeline between cylinder 4, second normally open solenoid valve 8 is arranged on the execution oil cylinder 1 and second two-bit triplet On external pipeline between solenoid directional control valve 3, one end of the shuttle valve 10 passes through external pipeline and the 4th two-bit triplet electricity The actuator port A connections of magnetic annular plate valve, the other end of the shuttle valve 10 pass through external pipeline and the second two-bit triplet electromagnetism The actuator port A connections of reversal valve 3, the balanced valve 11 are arranged on the working oil of the first two-bit triplet solenoid directional control valve 2 On external pipeline between mouth A and the synchronous fuel tank 4, the balanced valve 11 is connected by external pipeline with the shuttle valve 10. Return check valve 12 is provided with the flowline.The cylinder number of synchronous fuel tank 4 corresponds with performing oil cylinder 1, and described first is normal The normally open solenoid valve 8 of open electromagnetic valve 7 and second is in normally opened in normal state, when the first normally open solenoid valve 7 and the second normally opened electricity When magnet valve 8 obtains electric, that is, oil circuit is disconnected.
Above-mentioned synchronous hydraulic correction system is when using, when normal execution oil cylinder 1 stretches out:By Hydraulic power units by liquid Force feed is conveyed from fuel tank to oil inlet pipe direction, the first two-bit triplet solenoid directional control valve 2 of control it is electric, hydraulic oil is from the first two three The oil inlet P of electric change valve 2 enters actuator port A, and hydraulic oil is by passing through the work of the first two-bit triplet solenoid directional control valve 2 Make the right chamber that hydraulic fluid port A hydraulic fluid ports enter synchronous fuel tank 4 by balanced valve 11, while fluid is again from the left chamber of synchronous fuel tank 4 by the One normally open solenoid valve 7 enters the rodless cavity for performing oil cylinder 1, and the oil performed in the rod chamber of oil cylinder 1 passes through the second normally open solenoid valve 8, Second normally open solenoid valve 8 reaches oil return inlet T by the actuator port A of the second solenoid directional control valve, and passes through the oil return on flowline Check valve 12 is returned in fuel tank;
The utility model must be electric in timing, the 3rd two-bit triplet solenoid directional control valve 5, and pressure oil passes through the 3rd two-bit triplet The oil inlet P of solenoid directional control valve 5 reaches actuator port A and opens hydraulic control one-way valve 9, the second two-bit triplet solenoid directional control valve 3 Electricity so that hydraulic oil reaches oil inlet P by the actuator port A of the second two-bit triplet solenoid directional control valve 3, then normally opened by second Magnetic valve 8 enters the rod chamber for performing oil cylinder 1 so that performs oil cylinder 1 and retracts, while performs the warp of the fluid in the rodless cavity of oil cylinder 1 Cross the first normally open solenoid valve 7 and reach hydraulic control one-way valve 9, then the 4th two-bit triplet solenoid directional control valve 6 is reached by hydraulic control one-way valve 9 Actuator port A, last hydraulic oil enter flowline by the oil return inlet T of the 4th two-bit triplet solenoid directional control valve 6 and return to fuel tank; Be fully retracted when performing oil cylinder 1 so that the first normally open solenoid valve 7 and the second normally open solenoid valve 8 all it is electric, then the 4th two Three-way solenoid valve 6 electro-hydraulic force feed enters synchronous fuel tank 4 by hydraulic control one-way valve 9, when synchronous fuel tank 4 is fully retracted, with The change for hydraulic fluid pressure in oil circuit is big so that pressure oil enters by shuttle valve 10 and opens balanced valve 11, passes through the first two The actuator port A of three-way solenoid valve 2 reaches oil return inlet T, and is entered by the return check valve 12 on flowline in fuel tank, I.e. correction is completed, and current state is to perform oil cylinder 1 and synchronous fuel tank 4 entirely initial position.
It is above-mentioned according to desirable embodiment of the present utility model for enlightenment, pass through above-mentioned description, relevant staff Various changes and amendments can be carried out in the range of without departing from this item utility model technological thought completely.This item is practical New technical scope is not limited to the content on specification, it is necessary to determines that its is technical according to right Scope.

Claims (2)

1. a kind of synchronous hydraulic corrects system, including perform oil cylinder (1), the first two-bit triplet solenoid directional control valve (2), the second two Three-way solenoid valve (3) and synchronous fuel tank (4), it is characterised in that:The oil-feed of the first two-bit triplet solenoid directional control valve (2) The oil inlet (P) of mouthful (P) and the second two-bit triplet solenoid directional control valve (3) is connected by external pipeline with oil inlet pipe, it is described enter It is provided with Hydraulic power units on oil pipe, the oil return opening (A) of the first two-bit triplet solenoid directional control valve (2) and the second two three The oil return opening (A) of electric change valve (3) is connected by external pipeline with flowline, the oil inlet pipe and flowline with oil Case connects, and the actuator port (A) of the first two-bit triplet solenoid directional control valve (2) passes through external pipeline and the synchronous fuel tank (4) one end is connected, and synchronous fuel tank (4) other end is connected by external pipeline with performing oil cylinder (1) one end, described to perform oil Cylinder (1) other end is connected by external pipeline with the actuator port (A) of the second two-bit triplet solenoid directional control valve (3);
Also include the 3rd two-bit triplet solenoid directional control valve (5), the 4th two-bit triplet solenoid directional control valve (6), the first normally open solenoid valve (7), the second normally open solenoid valve (8), hydraulic control one-way valve (9), shuttle valve (10) and balanced valve (11), the 3rd two-bit triplet electromagnetism The oil inlet (P) of reversal valve (5) and the oil inlet (P) of the 4th two-bit triplet solenoid directional control valve (6) are by external pipeline with entering Oil pipe connects, the oil return opening (A) and the 4th two-bit triplet solenoid directional control valve (6) of the 3rd two-bit triplet solenoid directional control valve (5) Oil return opening (A) connected by external pipeline with flowline, the hydraulic control one-way valve (9) with it is described execution oil cylinder (1) one by one It is correspondingly arranged, the actuator port (A) and the 4th two-bit triplet solenoid directional control valve of the 3rd two-bit triplet solenoid directional control valve (5) (6) actuator port (A) is connected by external pipeline with one end of the hydraulic control one-way valve (9), the hydraulic control one-way valve (9) The other end pass through the extension tube attached of external pipeline and the corresponding execution oil cylinder (1) close to synchronous fuel tank (4) one end hydraulic fluid port Road is connected, and first normally open solenoid valve (7) and the second normally open solenoid valve (8) are corresponded with the execution oil cylinder (1) and set Put, first normally open solenoid valve (7) is arranged on the external pipeline between the execution oil cylinder (1) and the synchronous fuel tank (4) On, second normally open solenoid valve (8) is arranged on the execution oil cylinder (1) and the second two-bit triplet solenoid directional control valve (3) Between external pipeline on, one end of the shuttle valve (10) passes through external pipeline and the 4th two-bit triplet electromagnetism annular plate valve Actuator port (A) connects, and the other end of the shuttle valve (10) passes through external pipeline and the second two-bit triplet solenoid directional control valve (3) actuator port (A) connection, the balanced valve (11) are arranged on the work of the first two-bit triplet solenoid directional control valve (2) On external pipeline between hydraulic fluid port (A) and the synchronous fuel tank (4), the balanced valve (11) passes through external pipeline and the shuttle valve (10) connect.
2. synchronous hydraulic according to claim 1 corrects system, it is characterised in that:Oil return list is provided with the flowline To valve (12).
CN201720993812.XU 2017-08-09 2017-08-09 Synchronous hydraulic corrects system Expired - Fee Related CN207080447U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720993812.XU CN207080447U (en) 2017-08-09 2017-08-09 Synchronous hydraulic corrects system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720993812.XU CN207080447U (en) 2017-08-09 2017-08-09 Synchronous hydraulic corrects system

Publications (1)

Publication Number Publication Date
CN207080447U true CN207080447U (en) 2018-03-09

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CN201720993812.XU Expired - Fee Related CN207080447U (en) 2017-08-09 2017-08-09 Synchronous hydraulic corrects system

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113460541A (en) * 2021-07-06 2021-10-01 上海熙众新能源技术有限公司 Garbage compression vehicle and operation system thereof
CN113915180A (en) * 2021-02-02 2022-01-11 上海圣克赛斯液压股份有限公司 Plate-mounted zero-leakage three-position four-way electromagnetic reversing valve set

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113915180A (en) * 2021-02-02 2022-01-11 上海圣克赛斯液压股份有限公司 Plate-mounted zero-leakage three-position four-way electromagnetic reversing valve set
CN113460541A (en) * 2021-07-06 2021-10-01 上海熙众新能源技术有限公司 Garbage compression vehicle and operation system thereof
CN113460541B (en) * 2021-07-06 2022-08-23 上海熙众新能源技术有限公司 Garbage compression vehicle and operation system thereof

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180309

Termination date: 20210809