CN202913427U - Immersed tube bottom end capsule water-filling type accurate adjustment system - Google Patents
Immersed tube bottom end capsule water-filling type accurate adjustment system Download PDFInfo
- Publication number
- CN202913427U CN202913427U CN 201220264832 CN201220264832U CN202913427U CN 202913427 U CN202913427 U CN 202913427U CN 201220264832 CN201220264832 CN 201220264832 CN 201220264832 U CN201220264832 U CN 201220264832U CN 202913427 U CN202913427 U CN 202913427U
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- Prior art keywords
- jack
- immersed tube
- water
- jacking
- accurate adjustment
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- 239000002775 capsule Substances 0.000 title claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000012937 correction Methods 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002513 implantation Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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Abstract
The utility model relates to an immersed tube bottom end capsule water-filling type accurate adjustment system which comprises a control system and a mechanical system. The mechanical system comprises a hydraulic power station, a weight box and a track. A horizontal positioning mechanism is arranged on the track and comprises a base plate and a horizontal positioning jack, and one end of the horizontal positioning jack is connected with the weight box. A chute and the horizontal positioning jack are installed on the base plate, a jacking deviation rectifying box is placed in the chute, a vertical jacking mechanism is arranged in the jacking deviation rectifying box, and one end of a horizontal transverse movement jack is connected with the jacking deviation rectifying box. The vertical jacking mechanism comprises a water filling capsule and a jacking cover plate placed at the upper portion of the water filling capsule, wherein the water filling capsule is placed in the jacking deviation rectifying box. The accurate adjustment system adopts the water filling capsule as a jacking element, is light in weight, even in stress, low in manufacture cost, convenient to position, time-saving, labor-saving, accurate in installing accuracy, small in influence from natural conditions including waves, water flows, wind and the like and high in stability, and has an automatic jacking deviation rectifying function.
Description
Technical field
The utility model relates to the immersed tube tunnel construction technology, specifically, relates to immersed tube correction bottom regulating system in a kind of immersed tube tunnel work progress.
Background technology
Immersed tunnelling method is a kind of job practices in building tunnel, the bottom.Immersed tube tunnel be exactly with several prefabricated section respectively transportation by driving to the sea (river surface) scene, and sinking is installed in the foundation trench of having dredged one by one, the submerged tunnel of building with the method.At present, in the immersed tube tunnel work progress, in order to improve the planarization of trench bottom surfaces, the subaqueous tunnel that the overwhelming majority builds up all adopts the method for leveling up.Wherein, the early stage method of leveling up that mostly adopts be a kind of before Pipe Sinking first sanding masonry be the first shop method of bed course, it is by hoist engine and the special shop machine of scraping or the steel plough of cable control on operation ship, the guide rail that arrange, that have regulation absolute altitude and the gradient along the trench bottom surfaces both sides, the bedding and padding that put down are back and forth struck off, and this method shortcoming is more; The method that another kind is leveled up is filled out method after being, namely first with Pipe Sinking on the temporary support on the trench bottom, and (default hydraulic jack in the pipeline section base plate can be pushed up to bearing when the location to make the pipe end form certain space, regulate the pipeline section elevation), use subsequently the course filling closely knit.In above-mentioned two kinds of methods, the purpose of processing sinking pipeline section basis is to make trench bottom surfaces smooth, rather than in order to improve the bearing capacity of ground, the groove that excavates under water, its bottom surface is uneven, as not flattened, can cause local failure because of the ground discontinuity behind the Pipe Sinking, or ftracture because of differential settlement.
The essential condition that is suitable for the immersed tunnelling method construction is: water channel stabilization of river bed and current are not too urgent.Large in the depth of water, when the immersed tube aspect ratio is large, need obviously to increase the jack configuration, usually adopt sinking to refute assisted Extraction and feed to the power of hanging oneself to reduce immersed tube to bedding frictional force, refute by sinking and assist installation stricter to the wave height requirement, general job wave height requirement≤0.4m.At present, adopt sinking to refute auxiliary case of installing and only have Pusan-huge Ji immersed tube tunnel and Oresund immersed tube tunnel, wherein, Pusan-huge Ji immersed tube tunnel is to operation wave height requirement≤0.4m; In the immersed tube tunnel construction of Oresund, can find out from map, formed shielding around the job site, sea situation is better.And when requiring greater than 0.4m for wave height, owing to being subjected to the impact of the natural conditions such as wave, current, wind, when adopting sinking to refute auxiliary the installation, the power amplitude of variation of hanging is very large, and larger to control effect is installed, jack thrust is large, the control difficulty, and installation accuracy is inaccurate, needs the time to adjust, and wastes time and energy.
The utility model content
The utility model is for having the problems referred to above such as the thrust that existed by the effect of natural conditions such as wave, current, wind when immersed tube is installed in the immersed tube tunnel work progress is large, control is difficult, waste time and energy now, a kind of immersed tube bottom capsule Water accurate adjustment system is provided, this system is positioned at immersed tube afterbody to be installed bottom when using, function with autonomous rectifying by jack up, the immersed tube correction when being applicable to the immersed tube tunnel construction.
The technical solution of the utility model is: a kind of immersed tube bottom capsule Water accurate adjustment system, this system comprises control system and mechanical system, mechanical system comprises hydraulic power unit, ballast box and is installed in the track of ballast box one side, being provided with on the track can Orbiting level locating mechanism, this level locating mechanism comprises the base plate that is installed in orbit and the horizontal location jack that is installed on the base plate, and an end of horizontal location jack is connected with ballast box; Chute and horizontal shifting jack are installed on the base plate, are placed with the rectifying by jack up case in the chute, be provided with vertical lifting body in this rectifying by jack up case, horizontal shifting jack one end is fixed on the base plate, and the other end is connected with the rectifying by jack up case; Vertical lifting body comprises water-filled capsule and the jacking cover plate that is placed on water-filled capsule top, and water-filled capsule is placed in the rectifying by jack up case.
Preferably, the horizontal shifting jack is provided with two, and two horizontal shifting jack are separately positioned on the two ends of rectifying by jack up case, and each horizontal shifting jack homogeneous end is fixed on the jacking base that is arranged on the base plate, and an end is connected with the rectifying by jack up case.
Preferably, the two ends of water-filled capsule are provided with and strengthen the angle.
Preferably, the both sides of base plate all are equipped with buoyancy tank.
Preferably, the top of jacking cover plate is inlaid with rubber tile.
The beneficial effects of the utility model are: the utility model capsule Water correction accurate adjustment system architecture advantages of simple, safe and reliable, and adopt water-filled capsule as the jacking element, lightweight, stressed even, even to bedding pressure; Adopt horizontal pushing tow jack in place, by the capsule water-filling being realized the jacking to immersed tube to be installed, and realize the deviation-correcting function of immersed tube to be installed by the horizontal shifting jack, cost is low, is convenient in place; The utility model capsule Water correction accurate adjustment system is provided with control system, and whole process is finished automatically, and is easy to operate, time saving and energy saving, and installation accuracy is accurate, is subjected to the effect of natural conditions such as wave, current, wind little; After correction is finished, can directly unload and carve body formula correction accurate adjustment system, stability is high.
Description of drawings
Accompanying drawing 1 is the original state side structure schematic diagram of the utility model specific embodiment mechanical system sinking when in place.
Status architecture schematic diagram when accompanying drawing 2 is the correction of the utility model specific embodiment mechanical system jacking immersed tube.
Accompanying drawing 3 is the original state plane structure schematic diagram of the utility model specific embodiment mechanical system sinking when in place.
Status architecture schematic diagram when accompanying drawing 4 is the utility model specific embodiment mechanical system sinking incremental launching positioning.
Accompanying drawing 5-8 is the utility model implementation rectifying by jack up process schematic diagram.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
A kind of immersed tube bottom capsule Water accurate adjustment system, this system comprises control system and mechanical system, mechanical system comprises hydraulic power unit, ballast box 1 and is installed in the track 2 of ballast box 1 one sides, being provided with on the track 2 can be along the level locating mechanism of track 2 operations, this level locating mechanism comprises and is installed at the base plate 3 on the track 2 and is installed in horizontal location jack 4 on the base plate 3, and an end of horizontal location jack 4 is connected with ballast box 1; The both sides of base plate 3 all are equipped with buoyancy tank 11, are used for reducing the weight under water of system, are convenient in place.Chute and horizontal shifting jack 5 are installed on the base plate 3, be placed with rectifying by jack up case 6 in the chute, be provided with vertical lifting body in this rectifying by jack up case 6, horizontal shifting jack 5 is provided with two, two horizontal shifting jack 5 are separately positioned on the two ends of rectifying by jack up case 6, each horizontal shifting jack 5 homogeneous end is fixed on the jacking base 7 that is arranged on the base plate 3, and an end is connected with rectifying by jack up case 6.Vertical lifting body comprises the water-filled capsule 8 that is placed in the rectifying by jack up case 6 and the jacking cover plate 9 that is placed on water-filled capsule 8 tops, the two ends of water-filled capsule 8 are provided with strengthens angle 10, the top of jacking cover plate 9 is inlaid with rubber tile, is used for increasing the friction factor of top blind flange 9 bottom immersed tube to be installed.
Its correction processing step is as follows:
(1) basis requires: the hydraulic power unit of immersed tube bottom capsule Water accurate adjustment system and control system all are positioned on the diving crane ship, this system mechanics system-based need to be with immersed tube afterbody rubble to be installed basis than the low 70cm of base bed flattening absolute altitude, axial length is 5m, it is 56cm that the mechanical system of immersed tube bottom capsule Water accurate adjustment system enters immersed tube bottom part height, is convenient to mechanical system in place.
(2) axis repetition measurement: after the crimping of immersed tube waterpower is finished, open the steel measured hole of sealing up a door and carry out holing through survey.
(3) sinking, in place: the mechanical system sinking of immersed tube bottom capsule Water correction accurate adjustment system is fixed by suspension bracket, and suspension bracket length 25m can contact with the passage abutment wall spacing when the sinking translation; During sinking, by being installed in the distance between measuring instrument on the mechanical system is measured and steel is sealed up a door, when 2m place, distance immersed tube end implantation, and then sling apart from bedding 1m, the mechanical system that spurs immersed tube bottom capsule Water correction accurate adjustment system by the wire rope that is preset in the immersed tube end is adjacent to the immersed tube end, and then fall implantation, utilize the horizontal location jack pushing tow base plate of the mechanical system self of immersed tube bottom capsule Water accurate adjustment system, the rectifying by jack up case is pushed immersed tube to be installed bottom in place; When sinking was in place, the rectifying by jack up case state that mediates was pushed to the rectifying by jack up case by the horizontal shifting jack one end of correction before jacking, keep horizontal shifting jack correction amount between 10-20cm, can repeat above-mentioned steps.
(4) immersed tube jacking: to the water-filled capsule water-filling, the jacking cover plate is raised in the water-filled capsule jacking, eliminate the gap of jacking cover plate and immersed tube to be installed, make the top of jacking cover plate and the bottom close contact of immersed tube to be installed, and continue water-filled capsule is carried out water-filling, the jacking cover plate is lifted to specified altitude assignment with immersed tube to be installed, keeps hydraulic pressure.
(5) immersed tube correction: start simultaneously two horizontal shifting jack, the correction of pushing tow rectifying by jack up case realizes the operation of immersed tube bidirectional deviation correction.
(6) Real-Time Monitoring: the operating period of rectifying a deviation utilizes total powerstation by measured hole observation immersed tube tail end correction situation and tail end top lifting height.
(7) equipment shifts out: after correction puts in place, locking horizontal shifting jack, slow pressure release water-filled capsule pressure, immersed tube decline implantation, start the horizontal location jack rectifying by jack up case is pulled out the immersed tube bottom, finish the immersed tube correction at this moment, the mechanical system of immersed tube bottom capsule Water accurate adjustment system withdraws from the immersed tube bottom, utilizes crane gear that the mechanical system of immersed tube bottom capsule Water accurate adjustment system is winched to assigned address.
Above specific embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (5)
1. immersed tube bottom capsule Water correction accurate adjustment system, it is characterized in that: this system comprises control system and mechanical system, mechanical system comprises hydraulic power unit, ballast box and is installed in the track of ballast box one side, being provided with on the track can Orbiting level locating mechanism, this level locating mechanism comprises the base plate that is installed in orbit and the horizontal location jack that is installed on the base plate, and an end of horizontal location jack is connected with ballast box; Chute and horizontal shifting jack are installed on the base plate, are placed with the rectifying by jack up case in the chute, be provided with vertical lifting body in this rectifying by jack up case, horizontal shifting jack one end is fixed on the base plate, and the other end is connected with the rectifying by jack up case; Vertical lifting body comprises water-filled capsule and the jacking cover plate that is placed on water-filled capsule top, and water-filled capsule is placed in the rectifying by jack up case.
2. immersed tube as claimed in claim 1 bottom capsule Water accurate adjustment system, it is characterized in that: the horizontal shifting jack is provided with two, two horizontal shifting jack are separately positioned on the two ends of rectifying by jack up case, each horizontal shifting jack homogeneous end is fixed on the jacking base that is arranged on the base plate, and an end is connected with the rectifying by jack up case.
3. immersed tube as claimed in claim 1 bottom capsule Water accurate adjustment system, it is characterized in that: the two ends of water-filled capsule are provided with strengthens the angle.
4. immersed tube as claimed in claim 1 bottom capsule Water accurate adjustment system, it is characterized in that: the both sides of base plate all are equipped with buoyancy tank.
5. such as the described immersed tube of claim 1 to 4 any one bottom capsule Water accurate adjustment system, it is characterized in that: the top of jacking cover plate is inlaid with rubber tile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220264832 CN202913427U (en) | 2012-05-29 | 2012-05-29 | Immersed tube bottom end capsule water-filling type accurate adjustment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220264832 CN202913427U (en) | 2012-05-29 | 2012-05-29 | Immersed tube bottom end capsule water-filling type accurate adjustment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202913427U true CN202913427U (en) | 2013-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220264832 Expired - Lifetime CN202913427U (en) | 2012-05-29 | 2012-05-29 | Immersed tube bottom end capsule water-filling type accurate adjustment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202913427U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691313A (en) * | 2012-05-29 | 2012-09-26 | 中交一航局第二工程有限公司 | Immersed tube bottom capsule water filling fine adjusting system and adjusting technology |
-
2012
- 2012-05-29 CN CN 201220264832 patent/CN202913427U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691313A (en) * | 2012-05-29 | 2012-09-26 | 中交一航局第二工程有限公司 | Immersed tube bottom capsule water filling fine adjusting system and adjusting technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130501 Effective date of abandoning: 20150415 |
|
| RGAV | Abandon patent right to avoid regrant |