CN107630466A - 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 PDF

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Publication number
CN107630466A
CN107630466A CN201710776379.9A CN201710776379A CN107630466A CN 107630466 A CN107630466 A CN 107630466A CN 201710776379 A CN201710776379 A CN 201710776379A CN 107630466 A CN107630466 A CN 107630466A
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CN
China
Prior art keywords
supply pipe
oil
oil supply
hydraulic
jack
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Granted
Application number
CN201710776379.9A
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Chinese (zh)
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CN107630466B (en
Inventor
吴彬
李阳
刘超
何为丰
孙志
李誉文
曾庆喜
刘宇
冯伟
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CCCC Second Harbor Engineering Co
China Communications 2nd Navigational Bureau 2nd Engineering Co Ltd
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CCCC Second Harbor Engineering Co
China Communications 2nd Navigational Bureau 2nd Engineering Co Ltd
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Application filed by CCCC Second Harbor Engineering Co, China Communications 2nd Navigational Bureau 2nd Engineering Co Ltd filed Critical CCCC Second Harbor Engineering Co
Priority to CN201710776379.9A priority Critical patent/CN107630466B/en
Publication of CN107630466A publication Critical patent/CN107630466A/en
Application granted granted Critical
Publication of CN107630466B publication Critical patent/CN107630466B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention discloses a kind of hydraulic pushing system for FS final spice pushing tow girder, come to provide hydraulic oil to the jack set by the joint at FS final spice both ends respectively by using two oil supply pipes, and the quantity of jack one half that joint of the FS final spice per one end is set obtains hydraulic oil by the first oil supply pipe, its second half quantity obtains hydraulic oil by the second oil supply pipe, so as to improve in FS final spice installation process, during jack pair FS final spice pushing tow girder pushing tow, stability and synchronism of the hydraulic pump to jack fuel feeding.Moreover, inwall of two oil supply pipes along FS final spice is set, 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

A kind of hydraulic pushing system for FS final spice pushing tow girder
Technical field
It is more particularly to a kind of small for FS final spice pushing tow the invention belongs to off-lying sea immersed tube tunnel installation Technology field The hydraulic pushing system of beam.
Background technology
At present, it is necessary to carry out pushing tow FS final spice using hydraulic pushing system when immersed tube tunnel final joint in off-lying sea is installed Pushing tow girder, FS final spice is set to be docked with the immersed tube at its both ends.Wherein, hydraulic pushing system is by hydraulic pump, oil supply line and thousand Jin top is formed, and on the one hand because jack is large number of, it is necessary to ensure the stability and synchronism to jack fuel feeding, avoids thousand The job insecurity on jin top influences FS final spice and docked with the immersed tube at its both ends.On the other hand, in hydraulic pushing system to final Joint pushing tow girder pushing tow is rear in place, it is necessary to which pressurize is to the steel weld of FS final spice and the immersed tube at its both ends and has poured mixed Solidifying soil, therefore, has very high requirement to the pressure maintaining performance of hydraulic pushing system.
The content 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 realize foregoing invention purpose, the invention provides following technical scheme:
A kind of hydraulic pushing system for FS final spice pushing tow girder, it includes hydraulic power unit, the first oil supply pipe, Two oil supply pipes, oil returning tube and a number of jack;Wherein,
The joint at FS final spice both ends is respectively arranged with the jack of identical quantity, is terminated 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 Inwall along FS final spice of first oil supply pipe and second oil supply pipe is set, 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, the quantity of jack one half that joint of the FS final spice per one end is set obtains hydraulic pressure by first oil supply pipe Oil, its second half quantity obtain hydraulic oil by second oil supply pipe;Wherein, the oil inlet connection of each jack Check valve is provided with the pipeline of first oil supply pipe or second oil supply pipe, the oil-out of each jack connects The oil return pipeline connection is connected to, for the hydraulic oil after to be transmitted back into 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, and N number of block is respectively arranged with 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 same hydraulic pump.
Further, each tube coupling of first oil supply pipe and second oil supply pipe corresponds to identical quantity respectively Jack.
Yet 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 Stating jack has two sets of oil-feed oil circuits and oil return circuit;Wherein a set of oil-feed oil circuit and oil return circuit are installed for FS final spice Infusion epoxy resin during 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 with the pipeline of first oil supply pipe or second oil supply pipe Oil circuit valve and jack valve, also, the oil circuit valve be arranged on the check valve and first oil supply pipe or Between second oil supply pipe, the jack valve is arranged between check valve and the 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 with 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:
1st, 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 Hydraulic oil is not provided to the jack set by the joint at FS final spice both ends, and joint of the FS final spice per one end is set The quantity of jack one half put obtains hydraulic oil by the first oil supply pipe, and its second half quantity is obtained by the second oil supply pipe Hydraulic oil is taken, so as to improve in FS final spice installation process, during jack pair FS final spice pushing tow girder pushing tow, hydraulic pump pair The stability and synchronism of jack fuel feeding.Moreover, inwall of two oil supply pipes along FS final spice is set, 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.
2nd, the present invention is used in the hydraulic pushing system of FS final spice pushing tow girder, because the first oil supply pipe and second supply On oil-piping respectively on be provided with a number of cut-out cock, 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 same hydraulic pump Hydraulic oil is provided to input, each tube coupling of the first oil supply pipe and the second oil supply pipe corresponds to identical quantity jack respectively, and And two adjacent jack of position in the tube coupling of the same area, one is connected on the first oil supply pipe, and another is connected to On second oil supply pipe, so as to further improve 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.
Brief description of the drawings:
Fig. 1 is the structural representation of an embodiment of the present invention;
Fig. 2 is the structural representation that jack of the present invention is connected with oil supply pipe;
Fig. 3 is the pipeline configuration schematic diagram that jack of the present invention connects oil supply pipe.
Marked in figure:100- jack, 1- oil circuit valves, 2- pressure retaining valves, 3- check valves, 4- pressure sensors, 5- are very heavy Overhead-valve door.
Embodiment
With reference to test example and embodiment, the present invention is described in further detail.But this should not be understood Following embodiment is only limitted to for the scope of the above-mentioned theme of the present invention, it is all that this is belonged to based on the technology that present invention is realized The scope of invention.
The structural representation of an embodiment of the present invention as shown in Figure 1;Wherein, pushing tow system of the invention includes hydraulic pressure Pumping plant, the first oil supply pipe PA, the second oil supply pipe PB, oil returning tube R and the jack of 54.FS final spice both ends connect The jack of 27, the pushing tow girder for pushing tow FS final spice both ends joint are set respectively 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 PBSet along the inwall of FS final spice, 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 Exemplified by the joint at the first end of terminating, 27 jack are provided with its joint, wherein there are 14 jack to be supplied 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-out is connected to the R connections of oil return pipeline, and the hydraulic oil after is transmitted back into 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 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 correspond to identical quantity jack respectively, i.e., The jack of the reference numerals 1~9 of GROUP I, the jack of the reference numerals 10~18 of GROUP II, the reference numerals 19 of GROUP III~ 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 numbering is 1,3,5,7,9 in GROUP I supplies by second Oil-piping PBHydraulic oil is obtained, the jack of numbering 2,4,6,8 passes through the first oil supply pipe PAObtain hydraulic oil;In GROUP II The jack that middle numbering is 10,12,14,16,18 passes through the first oil supply pipe PAObtain hydraulic oil, numbering 11,13,15,17 Jack pass through the second oil supply pipe PBObtain hydraulic oil;The jack that numbering is 19,21,23,25,27 in GROUP III Pass through the second oil supply pipe PBHydraulic oil is obtained, the jack of numbering 20,22,24,26 passes through the first oil supply pipe PAObtain liquid Force feed.
Used jack has two sets of oil-feed oil circuits and oil return circuit in the present invention;Wherein a set of oil-feed oil circuit and Oil return circuit is used for infusion epoxy resin during FS final spice installation, and another set of oil-feed oil circuit and oil return circuit are used to transport liquid Force feed.The immersed tube at FS final spice Yu its both ends steel weld and after having poured concrete, by compression pump with it is corresponding Oil inlet is connected with oil return circuit, and epoxy resin is irrigated to the rod chamber and rodless cavity of jack, asphalt mixtures modified by epoxy resin is treated after filling Fat is shaped, so as to for good and all fix the form of jack.
The structural representation that jack of the present invention with reference to shown in Fig. 2 is connected with oil supply pipe;Wherein, hydraulic pressure of the invention 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 on the oil supply pipe P of check valve 3 and firstABetween, jack valve 5 is arranged on 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. Pressure retaining valve is set on pipeline by connecting oil supply pipe in the oil inlet of jack, so as 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 with reference to shown in 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.So as to avoid at pipeline welding or pipe Influence of the road bending place to hydraulic fluid pressure, and then influence the stability of jack work.

Claims (7)

1. a kind of hydraulic pushing system for FS final spice pushing tow girder, it is characterised in that including hydraulic power unit, the first fuel feeding Pipeline, the second oil supply pipe, oil returning tube and a number of jack;Wherein,
The joint at FS final spice both ends is respectively arranged with the jack of identical quantity, 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 The inwall of oil supply pipe and second oil supply pipe along FS final spice is set, 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, The quantity of jack one half that joint of the FS final spice per one end is set obtains hydraulic oil by first oil supply pipe, its Second half quantity obtains hydraulic oil by second oil supply pipe;Wherein, described in the oil inlet connection of each jack Check valve is provided with the pipeline of first oil supply pipe or second oil supply pipe, the oil-out of each jack is connected to The oil return pipeline connection, for the hydraulic oil after to be transmitted back into the hydraulic power unit.
2. it is used for the hydraulic pushing system of FS final spice pushing tow girder as claimed in claim 1, it is characterised in that the hydraulic pressure Pumping plant has N number of hydraulic pump, and N-1 block valve is respectively arranged with first oil supply pipe and second oil supply pipe Door, for first oil supply pipe and second oil supply pipe to be divided into N number of tube coupling;Wherein, first fuel feed pump The tube coupling that road and second oil supply pipe are located at the same area provides hydraulic oil input by same hydraulic pump.
3. it is used for the hydraulic pushing system of FS final spice pushing tow girder as claimed in claim 2, it is characterised in that described first Each tube coupling of oil supply pipe and second oil supply pipe corresponds to identical quantity jack respectively.
4. it is used for the hydraulic pushing system of FS final spice pushing tow girder as claimed in claim 3, it is characterised in that the same area Tube coupling in adjacent two jack in position, one is connected on first oil supply pipe, and another is connected to described On two oil supply pipes.
5. it is used for the hydraulic pushing system of FS final spice pushing tow girder as claimed in claim 1, it is characterised in that described very heavy Top has two sets of oil-feed oil circuits and oil return circuit;When wherein a set of oil-feed oil circuit and oil return circuit are used for FS final spice installation Infusion epoxy resin.
6. the hydraulic pushing system for FS final spice pushing tow girder as described in one of Claims 1 to 5, it is characterised in that Connect in the oil inlet of each jack and also set on the pipeline of first oil supply pipe or second oil supply pipe Have an oil circuit valve and jack valve, also, the oil circuit valve be arranged on the check valve and first oil supply pipe or Between second oil supply pipe described in person, the jack valve is arranged between check valve and the jack oil inlet.
7. it is used for the hydraulic pushing system of FS final spice pushing tow girder as claimed in claim 6, it is characterised 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.
CN201710776379.9A 2017-08-31 2017-08-31 A kind of hydraulic pushing system for FS final spice pushing tow girder Expired - Fee Related CN107630466B (en)

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CN201710776379.9A CN107630466B (en) 2017-08-31 2017-08-31 A kind of hydraulic pushing system for FS final spice pushing tow girder

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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

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Citations (7)

* Cited by examiner, † Cited by third party
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
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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Granted publication date: 20190524

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