CN207080447U - Synchronous hydraulic corrects system - Google Patents
Synchronous hydraulic corrects system Download PDFInfo
- 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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- China
- Prior art keywords
- valve
- directional control
- bit triplet
- solenoid directional
- control valve
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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
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).
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 |
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CN207080447U true CN207080447U (en) | 2018-03-09 |
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ID=61419835
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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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CN (1) | CN207080447U (en) |
Cited By (2)
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 |
-
2017
- 2017-08-09 CN CN201720993812.XU patent/CN207080447U/en not_active Expired - Fee Related
Cited By (3)
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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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
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 |