CN108930678A - A kind of push-bench four-point deviation-rectifying system - Google Patents
A kind of push-bench four-point deviation-rectifying system Download PDFInfo
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- CN108930678A CN108930678A CN201810936009.1A CN201810936009A CN108930678A CN 108930678 A CN108930678 A CN 108930678A CN 201810936009 A CN201810936009 A CN 201810936009A CN 108930678 A CN108930678 A CN 108930678A
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- 239000003921 oil Substances 0.000 claims description 101
- 239000010720 hydraulic oil Substances 0.000 claims description 21
- 238000006243 chemical reaction Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 239000002828 fuel tank Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
-
- 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
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20507—Type of prime mover
- F15B2211/20515—Electric motor
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20546—Type of pump variable capacity
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/615—Filtering means
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The technical issues of the invention discloses a kind of push-bench four-point deviation-rectifying systems, and the deviation-rectifying system that can solve existing push-bench in the market is bikini, and stability is poor, cumbersome, and price is high, maintenance difficult, and internal hydraulic system laying is more troublesome.Including placket, rear cylinder, hydraulic power unit and electrical control system, the placket connects the chassis body of composition push-bench with rear cylinder, and correction oil cylinder A, correction oil cylinder B, correction oil cylinder C and correction oil cylinder D are uniformly installed inside the placket and the rear cylinder, the hydraulic power unit is mounted on one end inside the rear cylinder, cylinder interior side is equipped with directional flow control valve group after described, and the electrical control system is located at one end inside the rear cylinder.Solenoid directional control valve controls the normal work of internal deviation oil cylinder, and more preferable by four groups of correction oil cylinder rectifying effects, stability is good, easy to operate, cheap.
Description
Technical field
The present invention relates to a kind of deviation-rectifying systems, and in particular to a kind of push-bench four-point deviation-rectifying system belongs to push-bench skill
Art field.
Background technique
During push-bench constructs jacking, jacking route is adjusted according to the actual situation and meets the laying in constructing simultaneously
Push-bench is needed to have centering capacity for reasons such as avoiding barriers.And in various regions, regional geology situation is different, and push-bench exists
Occurs different degrees of offset in tunneling process.Cutterhead does not turn or rotates not advancing under harder soil property or rock environment, people
It is very difficult and dangerous for block removing or maintenance.So considering not only curve and block removing, but also need to consider equipment swaging clamp shape
Condition, it is ensured that equipment operates normally.Therefore a kind of deviation-rectifying system specifically for push-bench is needed, push-bench entangles currently on the market
Inclined system is bikini, and stability is poor, and cumbersome, price height etc., limitation is larger.
Summary of the invention
The purpose of the present invention is to provide a kind of push-bench four-point deviation-rectifying systems, can solve existing push pipe in the market
The deviation-rectifying system of machine is bikini, and stability is poor, cumbersome, and price is high, maintenance difficult, and internal hydraulic system is laid with more
Troublesome technical problem.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of push-bench four-point deviation-rectifying system, including placket, rear cylinder, hydraulic power unit and electrical control system, before described
Cylinder connect the chassis body of composition push-bench with rear cylinder, and the placket and it is described after cylinder inside it is uniform be equipped with correction oil cylinder A,
Correction oil cylinder B, correction oil cylinder C and correction oil cylinder D, the hydraulic power unit be mounted on it is described after one end inside cylinder, it is described after in cylinder
Portion side is equipped with directional flow control valve group, and the electrical control system is located at one end inside the rear cylinder.
Preferably, the directional flow control valve group includes solenoid directional control valve, Superimposed relief valve and stacking type hydraulic control list
To valve.
Preferably, the directional flow control valve group and hydraulic power unit are all connected with the hydraulic control system inside push-bench.
Preferably, the correction oil cylinder A, correction oil cylinder B, correction oil cylinder C connect directional flow control valve with correction oil cylinder D
Group and hydraulic power unit.
Preferably, the hydraulic control system includes hydraulic oil container, and described hydraulic oil container one end is equipped with liquidometer, institute
It states one end at the top of hydraulic oil container and air filter is installed, oil absorption filter, the oil suction filtering are installed inside the hydraulic oil container
It is connected with pipeline at the top of device, extends through the hydraulic oil container at the top of pipeline and is connected with high-pressure plunger pump, the high-pressure plunger pump
Middle part side is equipped with vertical machine, and the high-pressure plunger pump top is connected with high pressure filter by pipeline, and the height presses through
Conversion valve block is connected with by the pipeline at the top of filter, is all connected at the top of the hydraulic oil container by other two groups of pipelines described
Conversion valve block, one of those pipeline middle part connection high pressure filter and Superimposed relief valve.
Preferably, Superimposed relief valve and vibration-proof pressure gauge, the superposing type overflow are installed inside the conversion valve block
Valve connects the vibration-proof pressure gauge, further includes having seven groups of solenoid directional control valves and upper and lower two groups of oil pipes inside the conversion valve block, and seven
The group solenoid directional control valve is all connected with two groups of oil pipes, oil pipe described in two groups of connection, electricity described in seven groups at the top of the high pressure filter
Magnetic reversal valve wherein has three groups to connect unloading valve, muddy water valve and by-passing valve by high-pressure hose respectively, in addition passes through respectively for four groups
The high-pressure hose connection correction oil cylinder A, correction oil cylinder B, correction oil cylinder C and correction oil cylinder D, the muddy water valve bottom end connect
Connect the oil pipe of lower part, the other end is directly connected to the hydraulic oil container by pipeline, the solenoid directional control valve and correction oil cylinder A, entangles
Stacking type hydraulic control check valve is mounted between inclined oil cylinder B, correction oil cylinder C and correction oil cylinder D.
A kind of application method of push-bench four-point deviation-rectifying system, specific steps include,
Step 1: being connected as an entirety for the placket and rear cylinder, correction oil cylinder A, correction oil cylinder B, correction oil cylinder C and
Correction oil cylinder D and directional flow control valve group and hydraulic power unit, and in directional flow control valve group and hydraulic power unit and push-bench
The hydraulic control system in portion connects, and controls the flexible of four groups of correction oil cylinders by station, control push-bench one end placket entangles
Folk prescription to, and work in solenoid directional control valve error correct oil cylinder work；
Step 2: the hydraulic control system in work, inside the directional flow control valve group and hydraulic power unit and push-bench
System connection, hydraulic control system control the work of directional flow control valve group and hydraulic power unit, guarantee that entire deviation-rectifying system can be with
The correction to placket is completed in stable work.
Beneficial effects of the present invention:
1, by the hydraulic control system inside directional flow control valve group and hydraulic power unit connecting jacking pipe machine, then pass through behaviour
Make the flexible of platform error correct oil cylinder, control the correction direction of push-bench placket, hydraulic power supply uses high-pressure plunger pump, power
Stablize it is powerful, operating pressure by Superimposed relief valve control, can guarantee moderate pressure in work, machinery will not be damaged.Electromagnetism
Reversal valve controls the normal work of internal deviation oil cylinder, and more preferable by four groups of correction oil cylinder rectifying effects, stability is good, operation
Simply, cheap.
2, using advanced magnificent moral Hydraulic Elements as valve group, using high-precision liquid commutation valve plate as main body.It is applicable in
In curve and block removing, and also ensure that equipment will not swaging clamp, it is ensured that equipment operates normally.Facilitate maintenance after damage, in work
Working efficiency is higher, adapts to different working environments.
Detailed description of the invention
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
Fig. 1 is overall structure of the present invention.
Fig. 2 is placket of the present invention and rear cylinder mounting structure schematic diagram.
Fig. 3 is placket of the present invention and rear cylinder schematic diagram of internal structure.
Fig. 4 is hydraulic control system schematic diagram of the present invention.
1, correction oil cylinder A；2, correction oil cylinder B；3, correction oil cylinder C；4, correction oil cylinder D；5, placket；6, rear cylinder；7, hydraulic
Pumping plant；8, directional flow control valve group；9, electrical control system；10, hydraulic oil container；11, liquidometer；12, air filter；13, it inhales
Oil strainer；14, vertical machine；15, high-pressure plunger pump；16, vibration-proof pressure gauge；17, Superimposed relief valve；18, electromagnetic switch
Valve；19, conversion valve block；20, high pressure filter；21, stacking type hydraulic control check valve；22, high-pressure hose.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff all other embodiment obtained without creative efforts belongs to what the present invention protected
Range.
It please refers to shown in Fig. 1-4, a kind of push-bench four-point deviation-rectifying system, including placket 5, rear cylinder 6,7 and of hydraulic power unit
Electrical control system 9, the chassis body of placket 5 and the connection composition push-bench of rear cylinder 6, and placket 5 and the uniformly installation of 6 inside of rear cylinder
There are correction oil cylinder A1, correction oil cylinder B2, correction oil cylinder C3 and a correction oil cylinder D4, four groups of correction oil cylinders placket 5 that can rectify a deviation is working
In direction and position, hydraulic power unit 7 is mounted on rear 6 inside one end of cylinder, and rear 6 interior side of cylinder is equipped with directional flow control valve
Group 8, hydraulic power unit 7 provide power at work for directional flow control valve group 8, and directional flow control valve group 8 is used at work
In the commutation and flow control of correction oil cylinder, electrical control system 9 is located at rear 6 inside one end of cylinder, can be used for push pipe at work
The electrical equipment control of machine.
As a kind of technical optimization scheme of the invention, directional flow control valve group 8 includes solenoid directional control valve 18, superposing type
Overflow valve 17 and stacking type hydraulic control check valve 21, solenoid directional control valve 18, Superimposed relief valve 17 and stacking type hydraulic control check valve 21
It can make the work that directional flow control valve group 8 at work can be stable, rectifying effect is more preferable.
As a kind of technical optimization scheme of the invention, directional flow control valve group 8 and hydraulic power unit 7 are all connected with push-bench
Internal hydraulic control system, hydraulic control system can guarantee that directional flow control valve group 8 and hydraulic power unit 7 are stablized in use
Work.
As a kind of technical optimization scheme of the invention, correction oil cylinder A1, correction oil cylinder B2, correction oil cylinder C3 and correction oil
Cylinder D4 connection directional flow control valve group 8 and hydraulic power unit 7, four correction oil cylinders can be under the drive of directional flow control valve group 8
It is flexible, play the role of correction.
As a kind of technical optimization scheme of the invention, hydraulic control system includes hydraulic oil container 10, hydraulic oil container 10
One end is equipped with liquidometer 11, and 10 top one end of hydraulic oil container is equipped with air filter 12, is equipped with oil suction inside hydraulic oil container 10
Filter 13 is connected with pipeline at the top of oil absorption filter 13, extends through hydraulic oil container 10 at the top of pipeline and be connected with high-pressure plunger
Pump 15,15 middle part side of high-pressure plunger pump are equipped with vertical machine 14, are connected with high pressure by pipeline at the top of high-pressure plunger pump 15
Filter 20 is connected with conversion valve block 19 by pipeline at the top of high pressure filter 20, passes through other two groups at the top of hydraulic oil container 10
Pipeline is all connected with conversion valve block 19, connection high pressure filter 20 and Superimposed relief valve 17 in the middle part of one of pipeline.
As a kind of technical optimization scheme of the invention, Superimposed relief valve 17 and shatter-proof is installed inside conversion valve block 19
Pressure gauge 16, Superimposed relief valve 17 connect vibration-proof pressure gauge 16, further include having seven groups of solenoid directional control valves inside conversion valve block 19
18 and upper and lower two groups of oil pipes, seven groups of solenoid directional control valves 18 be all connected with two groups of oil pipes, two groups of oil pipes connected at the top of high pressure filter 20,
Seven groups of solenoid directional control valves 18 wherein have three groups to pass through high-pressure hose 22 respectively to connect unloading valve, muddy water valve and by-passing valve, and in addition four
Group connects correction oil cylinder A1, correction oil cylinder B2, correction oil cylinder C3 and correction oil cylinder D4, muddy water valve bottom by high-pressure hose 22 respectively
Portion one end connects the oil pipe of lower part, and the other end is directly connected to hydraulic oil container 10, solenoid directional control valve 18 and correction oil cylinder by pipeline
Stacking type hydraulic control check valve 21 is mounted between A1, correction oil cylinder B2, correction oil cylinder C3 and correction oil cylinder D4.
A kind of application method of push-bench four-point deviation-rectifying system, specific steps include,
Step 1: placket 5 and rear cylinder 6 are connected as an entirety, correction oil cylinder A1, correction oil cylinder B2, correction oil cylinder C3
With correction oil cylinder D4 and directional flow control valve group 8 and hydraulic power unit 7, and directional flow control valve group 8 and hydraulic power unit 7 and top
Hydraulic control system connection inside pipe machine controls the flexible of four groups of correction oil cylinders by station, before controlling push-bench one end
Cylinder 5 correction direction, and work in 18 error correct oil cylinder of solenoid directional control valve work；
Step 2: the hydraulic control system in work, inside directional flow control valve group 8 and hydraulic power unit 7 and push-bench
Connection, hydraulic control system control the work of directional flow control valve group 8 and hydraulic power unit 7, guarantee that entire deviation-rectifying system can be with
The correction to placket 5 is completed in stable work.
In the use of the present invention, passing through the hydraulic control inside 7 connecting jacking pipe machine of directional flow control valve group 8 and hydraulic power unit
System processed, then by the flexible of station error correct oil cylinder, the correction direction of push-bench placket is controlled, hydraulic power supply uses
High-pressure plunger pump 15, dynamical stability is powerful, and operating pressure is controlled by Superimposed relief valve 17, can guarantee that pressure is suitable in work
In, machinery will not be damaged.Solenoid directional control valve 18 controls the normal work of internal deviation oil cylinder, passes through four groups of correction oil cylinder correction effects
Fruit is more preferable.Solenoid directional control valve 18 controls internal deviation oil cylinder.Using advanced magnificent moral Hydraulic Elements as valve group, using high-precision
Liquid commutation valve plate as main body, precision is more preferable.Four groups of correction oil cylinders can rectify a deviation the direction and position of placket 5 at work.Liquid
Press pump station 7 provides power at work for directional flow control valve group 8, and directional flow control valve group 8 is at work for rectifying a deviation
The commutation and flow control of oil cylinder, electrical control system 9 can be used for the electrical equipment control of push-bench at work.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (7)
1. a kind of push-bench four-point deviation-rectifying system, it is characterised in that: including placket (5), rear cylinder (6), hydraulic power unit (7) and electricity
Device control system (9), the chassis body of the placket (5) and rear cylinder (6) connection composition push-bench, and the placket (5) and institute
It states and correction oil cylinder A (1), correction oil cylinder B (2), correction oil cylinder C (3) and correction oil cylinder D (4) uniformly is installed inside rear cylinder (6),
The hydraulic power unit (7) is mounted on described internal one end of rear cylinder (6), and described rear cylinder (6) interior side is equipped with directional flow control
Valve group (8) processed, the electrical control system (9) are located at described internal one end of rear cylinder (6).
2. a kind of push-bench four-point deviation-rectifying system according to claim 1, it is characterised in that: the directional flow control
Valve group (8) includes solenoid directional control valve (18), Superimposed relief valve (17) and stacking type hydraulic control check valve (21).
3. a kind of push-bench four-point deviation-rectifying system according to claim 1, it is characterised in that: the directional flow control
Valve group (8) and hydraulic power unit (7) are all connected with the hydraulic control system inside push-bench.
4. a kind of push-bench four-point deviation-rectifying system according to claim 1, it is characterised in that: the correction oil cylinder A
(1), correction oil cylinder B (2), correction oil cylinder C (3) and correction oil cylinder D (4) connection directional flow control valve group (8) and hydraulic power unit
(7)。
5. a kind of push-bench four-point deviation-rectifying system according to claim 1, it is characterised in that: the hydraulic control system
It include hydraulic oil container (10), described hydraulic oil container (10) one end is equipped with liquidometer (11), at the top of the hydraulic oil container (10)
One end is equipped with air filter (12), is equipped with oil absorption filter (13), the oil absorption filter inside the hydraulic oil container (10)
(13) top is connected with pipeline, extends through the hydraulic oil container (10) at the top of pipeline and is connected with high-pressure plunger pump (15), described
Side is equipped with vertical machine (14) in the middle part of high-pressure plunger pump (15), is connected at the top of the high-pressure plunger pump (15) by pipeline
High pressure filter (20), high pressure filter (20) top is connected with conversion valve block (19) by the pipeline, described hydraulic
The conversion valve block (19) are all connected with by other two groups of pipelines at the top of fuel tank (10), connection in the middle part of one of those described pipeline
High pressure filter (20) and Superimposed relief valve (17).
6. a kind of push-bench four-point deviation-rectifying system according to claim 5, it is characterised in that: the conversion valve block (19)
Inside is equipped with Superimposed relief valve (17) and vibration-proof pressure gauge (16), and the Superimposed relief valve (17) connects the resistance to jolt-squeeze
Power table (16), it further includes having seven groups of solenoid directional control valves (18) and upper and lower two groups of oil pipes, seven groups of institutes that the conversion valve block (19) is internal
It states solenoid directional control valve (18) and is all connected with two groups of oil pipes, oil pipe described in two groups of connection, seven groups of institutes at the top of the high pressure filter (20)
Stating solenoid directional control valve (18) wherein has three groups to pass through high-pressure hose (22) connection unloading valve, muddy water valve and by-passing valve respectively, in addition
Four groups pass through the high-pressure hose (22) connection correction oil cylinder A (1), correction oil cylinder B (2), correction oil cylinder C (3) and correction respectively
Oil cylinder D (4), the oil pipe of muddy water valve bottom end connection lower part, the other end are directly connected to the hydraulic oil container by pipeline
(10), the solenoid directional control valve (18) and correction oil cylinder A (1), correction oil cylinder B (2), correction oil cylinder C (3) and correction oil cylinder D (4)
Between be mounted on stacking type hydraulic control check valve (21).
7. a kind of application method of push-bench four-point deviation-rectifying system, which is characterized in that specific steps include,
Step 1: the placket (5) and rear cylinder (6) are connected as an entirety, correction oil cylinder A (1), correction oil cylinder B (2), entangled
Inclined oil cylinder C (3) and correction oil cylinder D (4) and directional flow control valve group (8) and hydraulic power unit (7), and directional flow control valve group
(8) it is connect with hydraulic power unit (7) with the hydraulic control system inside push-bench, stretching for four groups of correction oil cylinders is controlled by station
Contracting, control push-bench one end placket (5) correction direction, and work in solenoid directional control valve (18) error correct oil cylinder work；
Step 2: the hydraulic control in work, inside the directional flow control valve group (8) and hydraulic power unit (7) and push-bench
System connection, hydraulic control system control the work of directional flow control valve group (8) and hydraulic power unit (7), guarantee entire correction
System can be stable work, complete correction to placket (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810936009.1A CN108930678A (en) | 2018-08-16 | 2018-08-16 | A kind of push-bench four-point deviation-rectifying system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810936009.1A CN108930678A (en) | 2018-08-16 | 2018-08-16 | A kind of push-bench four-point deviation-rectifying system |
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| CN108930678A true CN108930678A (en) | 2018-12-04 |
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| CN201810936009.1A Pending CN108930678A (en) | 2018-08-16 | 2018-08-16 | A kind of push-bench four-point deviation-rectifying system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826639A (en) * | 2019-03-19 | 2019-05-31 | 上海隧道工程有限公司 | The double hinged deviation control systems of push-bench |
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Application publication date: 20181204 |