CN107630466B - A kind of hydraulic pushing system for FS final spice pushing tow girder - Google Patents
A kind of hydraulic pushing system for FS final spice pushing tow girder Download PDFInfo
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- CN107630466B CN107630466B CN201710776379.9A CN201710776379A CN107630466B CN 107630466 B CN107630466 B CN 107630466B CN 201710776379 A CN201710776379 A CN 201710776379A CN 107630466 B CN107630466 B CN 107630466B
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- supply pipe
- oil
- oil supply
- hydraulic
- jack
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Abstract
The invention discloses a kind of hydraulic pushing systems for FS final spice pushing tow girder, carry out jack set by the joint to FS final spice both ends respectively by using two oil supply pipes and hydraulic oil is provided, and half quantity of jack one of the joint setting of the every one end of FS final spice obtains hydraulic oil by the first oil supply pipe, its the other half quantity obtains hydraulic oil by the second oil supply pipe, to improve in FS final spice installation process, when jack pair FS final spice pushing tow girder pushing tow, stability and synchronism of the hydraulic pump to jack fuel feeding.Moreover, two oil supply pipes are arranged along the inner wall of FS final spice, and plane where oil supply pipe is parallel with the end face of FS final spice both ends joint, simplifies the laying of hydraulic pipeline.
Description
Technical field
The invention belongs to off-lying sea immersed tube tunnel installation Technology fields, in particular to a kind of small for FS final spice pushing tow
The hydraulic pushing system of beam.
Background technique
Currently, needing to carry out pushing tow FS final spice using hydraulic pushing system when off-lying sea immersed tube tunnel final connector is installed
Pushing tow girder docks FS final spice with the immersed tube at its both ends.Wherein, hydraulic pushing system is by hydraulic pump, oil supply line and thousand
Jin top is constituted, and on the one hand since jack is large number of, needs to guarantee to avoid thousand to the stability and synchronism of jack fuel feeding
The job insecurity on jin top influences FS final spice and docks with the immersed tube at its both ends.On the other hand, in hydraulic pushing system to final
Connector pushing tow girder pushing tow in place after, need pressure maintaining to the steel weld of FS final spice and the immersed tube at its both ends and poured mixed
Solidifying soil, therefore, has very high requirement to the pressure maintaining performance of hydraulic pushing system.
Summary of the invention
It is an object of the invention to: how to improve in FS final spice installation process, jack pair FS final spice pushing tow is small
When back pushes away, hydraulic pump is to the stability and synchronism of jack fuel feeding, and how to improve in FS final spice pushing tow girder quilt
Pushing tow in place after, the pressure maintaining performance of jack.
In order to achieve the above-mentioned object of the invention, the present invention provides following technical schemes:
A kind of hydraulic pushing system for FS final spice pushing tow girder comprising hydraulic power unit, the first oil supply pipe,
Two oil supply pipes, oil returning tube and a certain number of jack；Wherein,
The joint at FS final spice both ends is respectively arranged with the jack of identical quantity, terminates for pushing tow FS final spice two
Pushing tow girder at head；First oil supply pipe and second oil supply pipe are the circulating line structure of closure, described
First oil supply pipe and second oil supply pipe are arranged along the inner wall of FS final spice, and first oil supply pipe and described
The plane that second oil supply pipe is located at is parallel with the end face of FS final spice both ends joint；
The hydraulic power unit, for providing hydraulic oil input for first oil supply pipe and second oil supply pipe；
Also, half quantity of jack one of the joint setting of the every one end of FS final spice is obtained hydraulic by first oil supply pipe
Oil, the other half quantity obtain hydraulic oil by second oil supply pipe；Wherein, the oil inlet connection of each jack
Check valve is provided on the pipeline of first oil supply pipe or second oil supply pipe, the oil outlet of each jack connects
It is connected to the oil return pipeline connection, for the hydraulic oil after use to be transmitted back to the hydraulic power unit.
According to a kind of specific embodiment, the present invention is used in the hydraulic pushing system of FS final spice pushing tow girder, institute
Stating hydraulic power unit has N number of hydraulic pump, is respectively arranged with N number of truncation on first oil supply pipe and second oil supply pipe
Valve, for first oil supply pipe and second oil supply pipe to be divided into N number of tube coupling；Wherein, first fuel feeding
The tube coupling that pipeline and second oil supply pipe are located at the same area provides hydraulic oil input by the same hydraulic pump.
Further, each tube coupling of first oil supply pipe and second oil supply pipe respectively corresponds identical quantity
Jack.
Still further, two adjacent jack of position in the tube coupling of the same area, one is connected to described first and supplies
On oil-piping, another is connected on second oil supply pipe.
According to a kind of specific embodiment, the present invention is used in the hydraulic pushing system of FS final spice pushing tow girder, institute
Jack is stated with two sets of oil inlet oil circuits and oil return circuit；Wherein a set of oil inlet oil circuit and oil return circuit are installed for FS final spice
Infusion epoxy resin when completion.
According to a kind of specific embodiment, the present invention is used in the hydraulic pushing system of FS final spice pushing tow girder,
The oil inlet of each jack connects to be additionally provided on the pipeline of first oil supply pipe or second oil supply pipe
Oil circuit valve and jack valve, also, oil circuit valve setting in the check valve and first oil supply pipe or
Between second oil supply pipe, the jack valve is arranged between the check valve and jack oil inlet.
Further, the oil inlet of each jack connects first oil supply pipe or second fuel feed pump
Pressure retaining valve is provided on the pipeline in road；Also, the pressure retaining valve is in parallel with the check valve.
Compared with prior art, beneficial effects of the present invention:
1, the present invention is used in the hydraulic pushing system of FS final spice pushing tow girder, due to being divided using two oil supply pipes
Jack set by joint not to FS final spice both ends provides hydraulic oil, and the joint of the every one end of FS final spice is set
Half quantity of jack one set obtains hydraulic oil by the first oil supply pipe, the other half quantity is obtained by the second oil supply pipe
Hydraulic oil is taken, thus improve in FS final spice installation process, when jack pair FS final spice pushing tow girder pushing tow, hydraulic pump pair
The stability and synchronism of jack fuel feeding.Moreover, two oil supply pipes are arranged along the inner wall of FS final spice, and oil supply pipe
Place plane is parallel with the end face of FS final spice both ends joint, simplifies the laying of hydraulic pipeline.
2, the present invention is used in the hydraulic pushing system of FS final spice pushing tow girder, since the first oil supply pipe and second supply
On oil-piping respectively on be provided with a certain number of cut-out cocks, and the first oil supply pipe and the second oil supply pipe are divided into phase
Answer the tube coupling of quantity.Meanwhile first oil supply pipe and the second oil supply pipe be located at the tube coupling of the same area by the same hydraulic pump
Hydraulic oil is provided to input, each tube coupling of the first oil supply pipe and the second oil supply pipe respectively corresponds identical quantity jack, and
And two adjacent jack of position in the tube coupling of the same area, one is connected on the first oil supply pipe, another is connected to
On second oil supply pipe, to further increase in FS final spice installation process, the small back of jack pair FS final spice pushing tow
When pushing away, stability and synchronism of the hydraulic pump to jack fuel feeding.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of an embodiment of the present invention；
Fig. 2 is the structural schematic diagram that jack of the present invention is connect with oil supply pipe；
Fig. 3 is the pipeline configuration schematic diagram that jack of the present invention connects oil supply pipe.
Marked in the figure: 100- jack, 1- oil circuit valve, 2- pressure retaining valve, 3- check valve, 4- pressure sensor, 5- are very heavy
Overhead-valve door.
Specific embodiment
Below with reference to test example and specific embodiment, the present invention is described in further detail.But this should not be understood
It is all that this is belonged to based on the technology that the content of present invention is realized for the scope of the above subject matter of the present invention is limited to the following embodiments
The range of invention.
The structural schematic diagram of an embodiment of the present invention as shown in Figure 1；Wherein, pushing tow system of the invention includes hydraulic
Pumping plant, the first oil supply pipe PA, the second oil supply pipe PB, oil returning tube R and 54 jack.FS final spice both ends connect
27 jack, the pushing tow girder for pushing tow FS final spice both ends joint are respectively set at head.
First oil supply pipe PAWith the second oil supply pipe PBIt is the circulating line structure of closure, the first oil supply pipe PAWith
Second oil supply pipe PBInner wall along FS final spice is arranged, and the first oil supply pipe PAWith the second oil supply pipe PBIt is located at
Plane is parallel with the end face of the joint of FS final spice.
Hydraulic power unit is the first oil supply pipe PAWith the second oil supply pipe PBHydraulic oil input is provided.With shown in Fig. 1 most
For the joint at the first end of terminating, 27 jack are provided on joint, wherein there are 14 jack to supply by first
Oil-piping PAHydraulic oil is obtained, remaining 13 jack passes through the second oil supply pipe PBObtain hydraulic oil.Moreover, every very heavy
The oil inlet on top connects the first oil supply pipe PAOr the second oil supply pipe PBPipeline on be provided with pressure retaining valve, every jack
Oil outlet is connected to the R connection of oil return pipeline, and the hydraulic oil after using is transmitted back to hydraulic power unit.
Specifically, hydraulic power unit has 3 hydraulic pumps, i.e. hydraulic pump I, hydraulic pump II and hydraulic pump III, the first fuel feed pump
Road PAWith the second oil supply pipe PBOn be respectively arranged with 3 cut-out cocks, and first is supplied by 3 set cut-out cocks
Oil-piping PAWith the second oil supply pipe PBIt is divided into 3 tube couplings, i.e. GROUP I, GROUP II and GROUP III.Wherein, the first fuel feeding
Pipeline PAWith the second oil supply pipe PBHydraulic oil is provided by the same hydraulic pump positioned at the tube coupling of the same area to input, i.e. GROUP I,
GROUP II and GROUP III provides hydraulic oil input by hydraulic pump I, hydraulic pump II and hydraulic pump III respectively.
Moreover, the first oil supply pipe PAWith the second oil supply pipe PBEach tube coupling respectively correspond identical quantity jack, i.e.,
The jack of I reference numeral 1~9 of GROUP, the jack of II reference numeral 10~18 of GROUP, III reference numeral 19 of GROUP~
27 jack.Meanwhile two adjacent jack of position in the tube coupling of the same area, one is connected to the first oil supply pipe PA
On, another is connected to the second oil supply pipe PBOn, i.e., the jack that number is 1,3,5,7,9 in GROUP I is supplied by second
Oil-piping PBHydraulic oil is obtained, the jack of number 2,4,6,8 passes through the first oil supply pipe PAObtain hydraulic oil；In GROUP II
The jack that middle number is 10,12,14,16,18 passes through the first oil supply pipe PAObtain hydraulic oil, number 11,13,15,17
Jack pass through the second oil supply pipe PBObtain hydraulic oil；The jack that number is 19,21,23,25,27 in GROUP III
Pass through the second oil supply pipe PBHydraulic oil is obtained, the jack of number 20,22,24,26 passes through the first oil supply pipe PAObtain liquid
Pressure oil.
Used jack has two sets of oil inlet oil circuits and oil return circuit in the present invention；Wherein a set of oil inlet oil circuit and
Infusion epoxy resin when oil return circuit is installed for FS final spice, another set of oil inlet oil circuit and oil return circuit are for transporting liquid
Pressure oil.The immersed tube at FS final spice Yu its both ends steel weld and after having poured concrete, by pressure pump with it is corresponding
Oil inlet is connected with oil return circuit, epoxy resin is perfused to the rod chamber and rodless cavity of jack, to asphalt mixtures modified by epoxy resin after filling
Rouge sizing, to for good and all fix the form of jack.
The structural schematic diagram that jack of the present invention as shown in connection with fig. 2 is connect with oil supply pipe；Wherein, of the invention hydraulic
In pushing tow system, the oil inlet of jack 100 connects the first oil supply pipe PAPipeline on be additionally provided with oil circuit valve 1 and jack
Valve 5.Also, oil circuit valve 1 is arranged in check valve 3 and the first oil supply pipe PABetween, jack valve 5 is arranged in check valve
Between 3 and jack oil inlet.Meanwhile pressure sensor 4 is provided between jack valve 5 and check valve 3.Jack
100 oil inlet connects the first oil supply pipe PAPipeline on be provided with pressure retaining valve 2, also, pressure retaining valve 2 is in parallel with check valve 3.
By the way that pressure retaining valve is arranged on the pipeline that the oil inlet of jack connects oil supply pipe, to improve in FS final spice pushing tow girder
By pushing tow in place after, the pressure maintaining performance of jack.
The pipeline configuration schematic diagram of jack of the present invention connection oil supply pipe as shown in connection with fig. 3；Wherein, pressure retaining valve and thousand
The pipeline of jin jacking hydraulic fluid port connection is homogeneous tube, and the knee rounding off of pipeline.To avoid pipeline weld or pipe
Influence of the road bending place to hydraulic fluid pressure, and then influence the stability of jack work.
Claims (6)
1. a kind of hydraulic pushing system for FS final spice pushing tow girder, which is characterized in that including hydraulic power unit, the first fuel feeding
Pipeline, the second oil supply pipe, oil returning tube and a certain number of jack；Wherein,
The joint at FS final spice both ends is respectively arranged with the jack of identical quantity, is used for pushing tow FS final spice both ends joint
Pushing tow girder；First oil supply pipe and second oil supply pipe are the circulating line structure of closure, and described first
Oil supply pipe and second oil supply pipe are arranged along the inner wall of FS final spice, and first oil supply pipe and described second
The plane that oil supply pipe is located at is parallel with the end face of FS final spice both ends joint；
The hydraulic power unit, for providing hydraulic oil input for first oil supply pipe and second oil supply pipe；Also,
Half quantity of jack one of the joint setting of the every one end of FS final spice obtains hydraulic oil by first oil supply pipe,
The other half quantity obtains hydraulic oil by second oil supply pipe；Wherein, described in the oil inlet connection of each jack
It is provided with check valve on the pipeline of first oil supply pipe or second oil supply pipe, the oil outlet of each jack is connected to
The oil return pipeline connection, for the hydraulic oil after use to be transmitted back to the hydraulic power unit；
The hydraulic power unit has N number of hydraulic pump, is respectively arranged on first oil supply pipe and second oil supply pipe
N-1 cut-out cock, for first oil supply pipe and second oil supply pipe to be divided into N number of tube coupling；Wherein, described
The tube coupling that first oil supply pipe and second oil supply pipe are located at the same area provides hydraulic oil input by the same hydraulic pump.
2. being used for the hydraulic pushing system of FS final spice pushing tow girder as described in claim 1, which is characterized in that described first
Each tube coupling of oil supply pipe and second oil supply pipe respectively corresponds identical quantity jack.
3. being used for the hydraulic pushing system of FS final spice pushing tow girder as claimed in claim 2, which is characterized in that the same area
Tube coupling in adjacent two jack in position, one is connected on first oil supply pipe, another is connected to described
On two oil supply pipes.
4. being used for the hydraulic pushing system of FS final spice pushing tow girder as described in claim 1, which is characterized in that described very heavy
Top has two sets of oil inlet oil circuits and oil return circuit；When wherein a set of oil inlet oil circuit and oil return circuit are installed for FS final spice
Infusion epoxy resin.
5. the hydraulic pushing system for FS final spice pushing tow girder as described in one of Claims 1 to 4, which is characterized in that
It is also set on the pipeline that the oil inlet of each jack connects first oil supply pipe or second oil supply pipe
Have an oil circuit valve and jack valve, also, oil circuit valve setting in the check valve and first oil supply pipe or
Between second oil supply pipe described in person, the jack valve is arranged between the check valve and jack oil inlet.
6. being used for the hydraulic pushing system of FS final spice pushing tow girder as claimed in claim 5, which is characterized in that each described
The oil inlet of jack connects and is provided with pressure retaining valve on the pipeline of first oil supply pipe or second oil supply pipe；And
And the pressure retaining valve is in parallel with the check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710776379.9A CN107630466B (en) | 2017-08-31 | 2017-08-31 | A kind of hydraulic pushing system for FS final spice pushing tow girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710776379.9A CN107630466B (en) | 2017-08-31 | 2017-08-31 | A kind of hydraulic pushing system for FS final spice pushing tow girder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107630466A CN107630466A (en) | 2018-01-26 |
| CN107630466B true CN107630466B (en) | 2019-05-24 |
Family
ID=61100091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710776379.9A Expired - Fee Related CN107630466B (en) | 2017-08-31 | 2017-08-31 | A kind of hydraulic pushing system for FS final spice pushing tow girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107630466B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1088596A (en) * | 1996-09-12 | 1998-04-07 | Kumagai Gumi Co Ltd | Final coupling device for submerged caisson |
| CN201288033Y (en) * | 2008-08-28 | 2009-08-12 | 中国二十冶建设有限公司 | Hydraulic synchronous lifting apparatus control apparatus |
| CN102767545A (en) * | 2012-08-07 | 2012-11-07 | 安奥克斯汤姆逊(青岛)游艇有限公司 | Four-cylinder synchronous hydraulic system |
| CN202645038U (en) * | 2012-04-01 | 2013-01-02 | 上海城建市政工程（集团）有限公司 | Control system for building jacking construction |
| CN103708376A (en) * | 2013-12-17 | 2014-04-09 | 天津大学 | Control structure for large-displacement synchronous jacking of large-scale deck pieces |
| CN203667911U (en) * | 2013-11-29 | 2014-06-25 | 中国海洋石油总公司 | Upside-down hydraulic pressure synchronous jacking device of liquefied natural gas storage tank |
| CN106988346A (en) * | 2017-03-24 | 2017-07-28 | 中国交通建设股份有限公司 | Immersed tube tunnel final joint and method for prefabricating, installation method |
-
2017
- 2017-08-31 CN CN201710776379.9A patent/CN107630466B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1088596A (en) * | 1996-09-12 | 1998-04-07 | Kumagai Gumi Co Ltd | Final coupling device for submerged caisson |
| CN201288033Y (en) * | 2008-08-28 | 2009-08-12 | 中国二十冶建设有限公司 | Hydraulic synchronous lifting apparatus control apparatus |
| CN202645038U (en) * | 2012-04-01 | 2013-01-02 | 上海城建市政工程（集团）有限公司 | Control system for building jacking construction |
| CN102767545A (en) * | 2012-08-07 | 2012-11-07 | 安奥克斯汤姆逊(青岛)游艇有限公司 | Four-cylinder synchronous hydraulic system |
| CN203667911U (en) * | 2013-11-29 | 2014-06-25 | 中国海洋石油总公司 | Upside-down hydraulic pressure synchronous jacking device of liquefied natural gas storage tank |
| CN103708376A (en) * | 2013-12-17 | 2014-04-09 | 天津大学 | Control structure for large-displacement synchronous jacking of large-scale deck pieces |
| CN106988346A (en) * | 2017-03-24 | 2017-07-28 | 中国交通建设股份有限公司 | Immersed tube tunnel final joint and method for prefabricating, installation method |
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| Publication number | Publication date |
|---|---|
| CN107630466A (en) | 2018-01-26 |
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Granted publication date: 20190524 Termination date: 20200831 |