CN106284352A - Static pile press hydraulic control system - Google Patents
Static pile press hydraulic control system Download PDFInfo
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- CN106284352A CN106284352A CN201610759200.4A CN201610759200A CN106284352A CN 106284352 A CN106284352 A CN 106284352A CN 201610759200 A CN201610759200 A CN 201610759200A CN 106284352 A CN106284352 A CN 106284352A
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- oil
- valve
- reversal valve
- hydraulic
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/20—Placing by pressure or pulling power
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
A kind of static pile press hydraulic control system, including fuel tank；The first hydraulic pump being connected with described fuel tank and the second hydraulic pump；The first check valve being connected with described first hydraulic pump；With the first reversal valve that described first check valve is connected as clip pile oil cylinder fuel feeding, and it is the second reversal valve of piling oil cylinder fuel feeding；The second check valve being connected with described second hydraulic pump；It is connected in parallel, respectively the 3rd reversal valve of the hydraulic rotary motor fuel feeding of crane, for rolling up the 4th reversal valve of poplar hydraulic motor fuel feeding, for the 5th reversal valve of amplitude oil cylinder fuel feeding, for the 6th reversal valve of boom frame telescopic hydraulic drive mechanism fuel feeding；With described 3rd reversal valve, the 4th reversal valve, the 5th reversal valve and the 6th reversal valve the foot valve connected, described 3rd reversal valve, the 4th reversal valve, the 5th reversal valve and the oil return opening of the 6th reversal valve are connected with the flowline of described first check valve；Described foot valve is for the bypass flow of regulation the second hydraulic pump.
Description
Technical field
The present invention relates to the piling machinery in engineering machinery, especially relate to the hydraulic control system of a kind of static pile press
System.
Background technology
China starts release and use static pile press from 20th century the nineties, and this machine mainly exists the most in the world
China produces and uses；Static pile press has noiselessness, pollution-free (motor driving), advantage that working performance is high, the suitableeest
Should be in urban architecture foundation construction.Static press piling machine operation is that pile body is clamped by the hydraulic jack using pile chuck, then uses
Piling oil cylinder promotes pile chuck that pile body is pressed into underground；Also need in work progress simultaneously use equipment subsidiary hang a lifting
Machine.An important requirement to static pile press is firmly to be clamped by pile body, but being unlikely to again chucking power crosses senior general's stake simultaneously
Body folder splits, and this is the key element affecting static pile press normal operation.The clip pile of existing static pile press controls hydraulic system
Structure include that the components such as fuel tank, oil pump, relief valve, reversal valve, hydraulic lock, clip pile oil cylinder, overload valve connect and compose；Its work
Principle is: when operation, handles reversal valve, and the pressure oil that oil pump comes enters the big chamber of clip pile oil cylinder, and clip pile oil cylinder is at pressure oil
Effect under pile body is clamped, hydraulic lock, for preventing the oil leakage in the big chamber of clip pile oil cylinder, thus keeps pressure, and pile chuck exists
By frictional force, pile body is pressed into underground under piling oil cylinder effect.Because clip pile and the pile driving pressure of static pile press are relatively big, to clip pile
The pressure requirements of oil cylinder is high, the somewhat the most not clamping stake of pressure release, causes piling failure, uses hydraulic lock etc. to carry out in prior art
Pressurize, it is possible to there is certain pressure release, affects normal operation.
In prior art, Hydraulic System of Hydrostatic Pressure Pile Driver is divided into piling and clip pile hydraulic system and crane hydraulic system, and two
System separates fuel feeding, and owing to the use frequency of crane is the lowest, a general only just use hanging when, there is the idleness of equipment
Or the problem of the waste energy, and piling and clip pile hydraulic system generally require big flow piling, in the situation of piling speed
Under, it is difficult to meet its traffic demand, large discharge pump need to be set, increase many costs.Crane is when slinging work, to proposing stake
Generally requiring with the speed of revolution and be adjusted according to operating mode, what in prior art, static pile press was subsidiary hangs a crane hydraulic pressure
System speed governing is inconvenient.
Summary of the invention
In order to overcome the defect of prior art, the present invention provides a kind of static pile press hydraulic control system, thus improves
Piling working performance, convenient regulation piling and the subsidiary speed regulation hanging a crane.
In order to solve above-mentioned technical problem, the present invention provides a kind of static pile press hydraulic control system, including fuel tank；Logical
Cross the first hydraulic pump and the second hydraulic pump that oil pipe is connected with described fuel tank；Oil-in is pumped out with described first hydraulic pressure by oil pipe
The first check valve that mouth connects；Oil-in is connected with the oil-out of described first check valve by oil pipe, and two actuator ports lead to
Crossing oil pipe to be connected with rodless cavity and the rod chamber of clip pile oil cylinder respectively, oil return opening first is changed by what oil pipe was connected with described fuel tank
To valve；Oil-in is connected with the oil-out of described first check valve by oil pipe, two actuator ports pass through oil pipe respectively with pressure
Rodless cavity and the rod chamber of stake oil cylinder connect, the second reversal valve that oil return opening is connected with described fuel tank by oil pipe；Oil-in leads to
Cross the second check valve that oil pipe is connected with described second hydraulic pump outlet；It is connected in parallel, respectively the hydraulic gyration horse of crane
Reach the 3rd reversal valve of fuel feeding, for rolling up the 4th reversal valve of poplar hydraulic motor fuel feeding, for the 5th reversal valve of amplitude oil cylinder fuel feeding,
With the 6th reversal valve for boom frame telescopic hydraulic drive mechanism fuel feeding；With described 3rd reversal valve, the 4th reversal valve, the 5th commutation
Valve and the 6th reversal valve the foot valve of downlink connection, described foot valve is for the bypass flow of regulation the second hydraulic pump；Described
The oil-in of three reversal valves, the 4th reversal valve, the 5th reversal valve and the 6th reversal valve is by oil pipe and described second check valve
Oil-out connects, and oil return opening is connected with the flowline of described first check valve.
In order to solve to avoid clip pile oil cylinder pressure release in operation process, stablize the technical problem of clip pile pressure, as entering one
Step improves technical scheme, the static pile press hydraulic control system that the present invention provides, and also has oil-in and described piling oil cylinder
Rodless cavity oil inlet pipe connect, the 3rd check valve that oil-out is connected with the rodless cavity oil inlet pipe of described clip pile oil cylinder；Oil-in
Be connected by the first actuator port of oil pipe with described first reversal valve, oil-out by oil pipe and described clip pile oil cylinder without bar
The hydraulic control one-way valve that chamber and the 3rd one-way valved outlet connect；It is connected with the flowline of described first reversal valve the first actuator port
First overflow valve；The control port of described hydraulic control one-way valve is fuel-displaced by oil pipe and described first reversal valve the second actuator port
Pipe connects.
As improving technical scheme further, the static pile press hydraulic control system that the present invention provides, described first liquid
Press pump and the second hydraulic pump are unidirectional volume adjustable hydraulic pump.
As improving technical scheme further, the static pile press hydraulic control system that the present invention provides, with described second
The flowline that reversal valve two actuator port connects further respectively has the second overflow valve and the 3rd overflow valve.
As improving technical scheme further, the static pile press hydraulic control system that the present invention provides, also have and institute
State the 4th overflow valve that the 3rd reversal valve, the 4th reversal valve, the 5th reversal valve, the 6th reversal valve and foot valve are connected in parallel.
As improving technical scheme further, the static pile press hydraulic control system that the present invention provides, also have and institute
State the 7th reversal valve of the second reversal valve downlink connection.
In the case of not conflicting, above-mentioned improvement technical scheme can be implemented alone or in combination.
The static pile press hydraulic control system that the present invention provides, the 3rd reversal valve the 10, the 4th reversal valve the 11, the 5th commutation
Valve the 12, the 6th reversal valve 13, foot valve the 14, the 4th overflow valve 23 are for being connected in parallel, and the 4th overflow valve 23 is used for controlling each commutation
Valve and the input pressure of foot valve 14, foot valve 14 may be used for flowing through when regulating crane job the hydraulic oil of each reversal valve
Amount, when effectively solving crane job, each course of action needs the technical problem of speed governing；Foot valve 14 can also regulate the second liquid
Press pump 3 enters the hydraulic pressure oil mass of piling and clip pile hydraulic system, and making the first hydraulic pump 2 and the second hydraulic pump 3 can in parallel be pressure
Stake and clip pile hydraulic system fuel feeding, improve working performance.
Accompanying drawing explanation
Accompanying drawing is used for providing a further understanding of the present invention, constitutes the part of the application, but is not intended that this
Bright improper restriction.In the accompanying drawings:
Fig. 1 is embodiment static pile press hydraulic control system schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiments of the present invention are described in further detail.
Static pile press hydraulic control system as shown in Figure 1, is divided into piling and clip pile hydraulic system and crane hydraulic pressure
System.Piling and clip pile hydraulic system include that fuel tank 1, the first hydraulic pump 2 are connected with fuel tank 1 by oil pipe, and the first hydraulic pump 2 is
Unidirectional volume adjustable hydraulic pump；The oil-in of the first check valve 4 is connected by the outlet of oil pipe and the first hydraulic pump 2, the first reversal valve 7
For the three position four-way directional control valve of regulating flow quantity, the oil-in of the first reversal valve 7 passes through oil pipe and the oil-out of the first check valve 4
Connecting, two actuator ports are connected with rodless cavity and the rod chamber of clip pile oil cylinder 5 respectively by oil pipe, oil return opening by oil pipe and
Fuel tank 1 connects；Second reversal valve 8 and the 7th reversal valve 24 are connected in parallel, and their oil-in passes through oil pipe and the first check valve 4
Oil-out connect, two actuator ports are connected with rodless cavity and the rod chamber of piling oil cylinder 6 respectively by oil pipe, and oil return opening is logical
Crossing oil pipe to be connected with fuel tank 1, the flowline that the second reversal valve 8 and 24 liang of actuator ports of the 7th reversal valve connect further respectively has the
Two overflow valve 21 and the 3rd overflow valves 22；The oil-in of the 3rd check valve 19 is by the rodless cavity oil-feed of oil pipe with piling oil cylinder 6
Pipe connects, and the oil-out of the 3rd check valve 19 is connected with the rodless cavity oil inlet pipe of clip pile oil cylinder 5 by oil pipe；Hydraulic control one-way valve 20
Oil-in connected by the first actuator port of oil pipe and the first reversal valve 7, oil-out is by oil pipe and the nothing of clip pile oil cylinder 5
The outlet of bar chamber and the 3rd check valve 19 connects；The flowline of the first overflow valve 21 and the first reversal valve 7 first actuator port is even
Connect；The control port of hydraulic control one-way valve 20 is connected by the flowline of oil pipe and the first reversal valve 7 second actuator port.
Crane hydraulic system includes that fuel tank 1, the second hydraulic pump 3 are connected with fuel tank by oil pipe, and the second hydraulic pump 3 is single
To volume adjustable hydraulic pump, the oil-in of the second check valve 9 is connected by the outlet of oil pipe and the second hydraulic pump 3；3rd reversal valve 10
Oil-in and the oil-out of the second check valve 9 connect, two actuator ports of the 3rd reversal valve 10 respectively with the hydraulic pressure of crane
Two hydraulic fluid ports of rotary motor 15 connect, and the oil-in of the 4th reversal valve 11 and the oil-out of the second check valve 9 connect, the 4th commutation
Two actuator ports of valve 11 are connected with two hydraulic fluid ports rolling up poplar hydraulic motor 16 of crane respectively, the oil-in of the 5th reversal valve 12
Be connected with the oil-out of the second check valve 9, two actuator ports of the 5th reversal valve 12 respectively with the amplitude oil cylinder 17 of crane
Rodless cavity and rod chamber connect, and the oil-in of the 6th reversal valve 13 and the oil-out of the second check valve 9 connect, the 6th reversal valve 13
Two actuator ports two hydraulic fluid ports with the boom frame telescopic hydraulic motor 18 of crane respectively be connected, the oil-in of foot valve 14 and
The oil-out of two check valves 9 connects, and foot valve 14 is for the bypass flow of regulation the second hydraulic pump 3, entering of the 4th overflow valve 23
The oil-out of hydraulic fluid port and the second check valve 9 connects, and the 3rd reversal valve the 10, the 4th reversal valve the 11, the 5th reversal valve 12 and the 6th changes
To the oil return opening of valve 13, and the oil-out of foot valve the 14, the 4th overflow valve 23 all fuel-displaced by oil pipe and the second check valve 9
Mouth connects；3rd reversal valve the 10, the 4th reversal valve the 11, the 5th reversal valve the 12, the 6th reversal valve 13, foot valve the 14, the 4th overflow
Valve 23 is for being connected in parallel.
Operation principle: the 3rd reversal valve the 10, the 4th reversal valve the 11, the 5th reversal valve the 12, the 6th reversal valve 13, foot valve
14, the 4th overflow valve 23 is for being connected in parallel, and the 4th overflow valve 23 is for controlling each reversal valve and the input pressure of foot valve 14, foot
Step on valve 14 may be used for regulate crane job time, flow through the hydraulic pressure oil mass of each reversal valve, such as: foot valve 14 can be stepped on by foot
Displacement control the hydraulic oil amount of flowing away from foot valve 14, and then the liquid of corresponding reversal valve when controlling to enter crane job
Force feed flow, controls the speed of crane action with this, when needs slow down, it is only necessary to be by foot valve 14 pedal pine one
Point, when needs add fast speed, it is only necessary to foot valve 14 pedal is floored, and can realize maximal rate hoisting operation, effectively
When solving crane job, each course of action needs the technical problem of speed governing；Foot valve 14 can also regulate the second hydraulic pump 3 and enter
Enter piling and the hydraulic fluid flow rate of clip pile hydraulic system, make the first hydraulic pump 2 and the second hydraulic pump 3 in parallel for piling and clip pile liquid
Pressure system fuel feeding, improves working performance.
When piling and clip pile hydraulic system operation, first manipulate the rodless cavity oil-feed to clip pile oil cylinder 5 of first reversal valve 7,
Rod chamber oil return, makes clip pile oil cylinder 5 clamp the stake that residence is to be pressed；Then the second reversal valve 8 is manipulated or/and the 7th reversal valve 24,
Make hydraulic oil enter the rodless cavity of piling oil cylinder 6, carry out piling and bury operation.Due to the operating pressure of piling oil cylinder 6 during work
Inherently slightly larger than the operating pressure of clip pile oil cylinder 5, so when carrying out piling operation, being connected with piling oil cylinder 6 rodless cavity
Pipeline is in addition to piling oil cylinder 6 fuel feeding, also by the 3rd check valve 19 to the rodless cavity fuel feeding of clip pile oil cylinder 5, thus effectively
The rodless cavity keeping clip pile oil cylinder does not fall pressure, it is thus achieved that good piling efficiency.Hydraulic control one-way valve 20 controls the pressure of clip pile oil cylinder 5
Unlikely too high, play safeguard protection effect.
It is clear that the invention is not restricted to above preferred implementation, also can limit in the claims in the present invention and description
In spirit, carry out conversion and the improvement of various ways, same technical problem can be solved, and obtain intended technique effect, therefore
Do not repeat.Those of ordinary skill in the art can from present disclosure directly or all schemes of associating, if
Within the spirit that claim limits, fall within protection scope of the present invention.
Claims (6)
1. a static pile press hydraulic control system, it is characterised in that: include fuel tank (1)；By oil pipe and described fuel tank (1)
The first hydraulic pump (2) connected and the second hydraulic pump (3)；Oil-in is connected with the outlet of described first hydraulic pump (2) by oil pipe
The first check valve (4)；Oil-in is connected with the oil-out of described first check valve (4) by oil pipe, and two actuator ports lead to
Crossing oil pipe to be connected with rodless cavity and the rod chamber of clip pile oil cylinder (5) respectively, oil return opening is connected with described fuel tank (1) by oil pipe
First reversal valve (7)；Oil-in is connected with the oil-out of described first check valve (4) by oil pipe, and two actuator ports pass through
Oil pipe is connected with rodless cavity and the rod chamber of piling oil cylinder (6) respectively, oil return opening be connected with described fuel tank (1) by oil pipe the
Two reversal valves (8)；Oil-in exports, with described second hydraulic pump (3), the second check valve (9) being connected by oil pipe；Parallel connection is even
Connect, respectively the 3rd reversal valve (10) of hydraulic rotary motor (15) fuel feeding of crane, for volume poplar hydraulic motor (16) fuel feeding
The 4th reversal valve (11), for the 5th reversal valve (12) of amplitude oil cylinder (17) fuel feeding, and be boom frame telescopic hydraulic drive mechanism
(18) the 6th reversal valve (13) of fuel feeding；With described 3rd reversal valve (10), the 4th reversal valve (11), the 5th reversal valve (12) and
6th reversal valve (13) the foot valve (14) of downlink connection, described foot valve (14) is for the shunting of regulation the second hydraulic pump (3)
Flow；Described 3rd reversal valve (10), the 4th reversal valve (11), the 5th reversal valve (12) and the oil-in of the 6th reversal valve (13)
Being connected by the oil-out of oil pipe with described second check valve (9), oil return opening connects with the flowline of described first check valve (4)
Connect.
Static pile press hydraulic control system the most according to claim 1, it is characterised in that: also there is oil-in with described
The rodless cavity oil inlet pipe of piling oil cylinder (6) connects, oil-out be connected with the rodless cavity oil inlet pipe of described clip pile oil cylinder (5) the 3rd
Check valve (19)；Oil-in is connected with the first actuator port of described first reversal valve (7) by oil pipe, and oil-out passes through oil pipe
The hydraulic control one-way valve (20) being connected is exported with rodless cavity and the 3rd check valve (19) of described clip pile oil cylinder (5)；With described first
The first overflow valve (21) that the flowline of reversal valve (7) first actuator port connects；The control oil of described hydraulic control one-way valve (20)
Mouth is connected with the flowline of described first reversal valve (7) second actuator port by oil pipe.
Static pile press hydraulic control system the most according to claim 1, it is characterised in that: described first hydraulic pump (2)
It is unidirectional volume adjustable hydraulic pump with the second hydraulic pump (3).
Static pile press hydraulic control system the most according to claim 1, it is characterised in that: with described second reversal valve
The flowline that (8) two actuator ports connect further respectively has the second overflow valve (21) and the 3rd overflow valve (22).
Static pile press hydraulic control system the most according to claim 1, it is characterised in that: also have and change with the described 3rd
Be connected in parallel to valve (10), the 4th reversal valve (11), the 5th reversal valve (12), the 6th reversal valve (13) and foot valve (14)
Four overflow valves (23).
Static pile press hydraulic control system the most according to claim 1, it is characterised in that: also have and change with described second
To valve (8) the 7th reversal valve (24) of downlink connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610759200.4A CN106284352B (en) | 2016-08-30 | 2016-08-30 | Static pile press hydraulic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610759200.4A CN106284352B (en) | 2016-08-30 | 2016-08-30 | Static pile press hydraulic control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106284352A true CN106284352A (en) | 2017-01-04 |
| CN106284352B CN106284352B (en) | 2018-09-11 |
Family
ID=57674389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610759200.4A Active CN106284352B (en) | 2016-08-30 | 2016-08-30 | Static pile press hydraulic control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106284352B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113983011A (en) * | 2021-12-31 | 2022-01-28 | 青州海盾液压机械有限公司 | Intelligent digital hydraulic system |
| CN116201778A (en) * | 2023-03-28 | 2023-06-02 | 山东临工工程机械有限公司 | Piling control method |
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| CN201221083Y (en) * | 2008-07-09 | 2009-04-15 | 赵黎明 | Final pressure stabilizing apparatus for hydraulic static pile-compressing machine |
| CN201261883Y (en) * | 2008-07-09 | 2009-06-24 | 赵黎明 | Pile clamping pressure and pile compressing pressure synchronous controller of hydraulic static pile-compressing machine |
| CN102887447A (en) * | 2012-10-17 | 2013-01-23 | 中联重科股份有限公司 | Hydraulic control loop of variable amplitude hydraulic cylinder, crane and variable amplitude control method |
| CN203627359U (en) * | 2013-12-13 | 2014-06-04 | 中联重科股份有限公司 | Crane for foundation pile construction and hydraulic system thereof |
| JP2014167334A (en) * | 2013-02-28 | 2014-09-11 | Sumitomo (Shi) Construction Machinery Co Ltd | Hydraulic circuit of construction machine and its control method |
| CN206034442U (en) * | 2016-08-30 | 2017-03-22 | 长沙拓沃工程机械设备有限公司 | Static pile driver hydraulic control system |
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2016
- 2016-08-30 CN CN201610759200.4A patent/CN106284352B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201221083Y (en) * | 2008-07-09 | 2009-04-15 | 赵黎明 | Final pressure stabilizing apparatus for hydraulic static pile-compressing machine |
| CN201261883Y (en) * | 2008-07-09 | 2009-06-24 | 赵黎明 | Pile clamping pressure and pile compressing pressure synchronous controller of hydraulic static pile-compressing machine |
| CN102887447A (en) * | 2012-10-17 | 2013-01-23 | 中联重科股份有限公司 | Hydraulic control loop of variable amplitude hydraulic cylinder, crane and variable amplitude control method |
| JP2014167334A (en) * | 2013-02-28 | 2014-09-11 | Sumitomo (Shi) Construction Machinery Co Ltd | Hydraulic circuit of construction machine and its control method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113983011A (en) * | 2021-12-31 | 2022-01-28 | 青州海盾液压机械有限公司 | Intelligent digital hydraulic system |
| CN113983011B (en) * | 2021-12-31 | 2022-02-25 | 青州海盾液压机械有限公司 | Intelligent digital hydraulic system |
| CN116201778A (en) * | 2023-03-28 | 2023-06-02 | 山东临工工程机械有限公司 | Piling control method |
| CN116201778B (en) * | 2023-03-28 | 2023-11-17 | 山东临工工程机械有限公司 | Piling control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106284352B (en) | 2018-09-11 |
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Address after: 410152 Guangsheng village, salvage Town, Kaifu District, Changsha, Hunan Applicant after: Hunan Billiton Heavy Industry Technology Co., Ltd. Address before: 410000 Guangsheng village, Baifu River, Kaifu District, Changsha, Hunan Applicant before: CHANGSHA TOWER MACHINERY ENGINEERING CORPORATION |
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| CB03 | Change of inventor or designer information | ||
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Inventor after: Zhang Peng Inventor after: He Ripeng Inventor after: Hu Shiqi Inventor after: Liu Daoqing Inventor before: Zhang Peng |
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