CN202787315U - Immersed tube bottom end carving body type rectifying and fine adjusting system - Google Patents
Immersed tube bottom end carving body type rectifying and fine adjusting system Download PDFInfo
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- CN202787315U CN202787315U CN 201220264816 CN201220264816U CN202787315U CN 202787315 U CN202787315 U CN 202787315U CN 201220264816 CN201220264816 CN 201220264816 CN 201220264816 U CN201220264816 U CN 201220264816U CN 202787315 U CN202787315 U CN 202787315U
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- jack
- carve
- immersed tube
- body piece
- rectifying
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Abstract
The utility model relates to an immersed tube bottom end carving body type rectifying and adjusting system which comprises a control system and a mechanical system. The mechanical system comprises a hydraulic power pack, a weight box and a rail provided with a horizontal positioning mechanism. The horizontal positioning mechanism comprises a base plate and a horizontal positioning jack. The base plate is provided with a slide groove and a horizontal sidesway jack. A jacking rectifying box is arranged inside the slide groove. A vertical jacking mechanism is arranged inside the jacking rectifying box and composed of a jacking jack, a lower carving body block and an upper carving body block. One end of the jacking jack is fixed on the jacking rectifying box. The other end of the jacking jack is connected with the lower carving body block. The upper carving body block is arranged on the lower carving body block and capable of vertically moving upward as the lower carving body block moves. The immersed tube bottom end carving body type rectifying and adjusting system is simple in structure, capable of achieving automatic jacking and rectifying of an immersed tube to be installed through the jacking jack, the upper carving body block, the lower carving body block and the horizontal sidesway jack, time-saving, labor-saving, accurate to install, capable of being hardly influenced by natural conditions like waves, currents, winds and the like, and high in stability.
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 that from map formed shielding around the job site, sea situation is better.And when requiring greater than 0.4m for wave height, owing to be 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, provide a kind of immersed tube bottom to carve body formula correction accurate adjustment system, 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: body formula correction accurate adjustment system is carved in a kind of immersed tube bottom, 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 comprise the pushing tow jack, down carve the body piece and on carve the body piece, pushing tow jack one end is fixed on the rectifying by jack up case, the other end with under carve the body piece and be connected, on carve the body piece and be installed in down and carve on the body piece, and can vertically move up with the movement of carving down the body piece.
Preferably, the lower upper surface of carving the body piece is provided with chute, on carve the body piece soffit be provided with the slide block corresponding with chute, on carve the body piece and can in the chute of carving down the body piece, move by slide block.
Preferably, be provided with vertical stopper slot on the sidewall of rectifying by jack up case, on carve the body piece both sides be provided with the spacing block set corresponding with vertical stopper slot.
Preferably, be provided with column on the base plate, horizontal shifting jack one end is fixed on the column, and the other end is connected with the rectifying by jack up case.
Preferably, the upper surface of carving the body piece on all is set to ramp structure with the lower soffit of carving the body piece.
The beneficial effects of the utility model are: the utility model is carved body formula correction accurate adjustment system architecture advantages of simple, easy to use, adopt the horizontal location jack in place, by the pushing tow jack, on carve the body piece, carve the rectifying by jack up function that body piece and horizontal shifting jack are realized immersed tube to be installed down, and be provided with control system, whole process is finished automatically, and is time saving and energy saving, and control is convenient, 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 structural representation 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 lower body block structure schematic diagram of carving of the utility model specific embodiment mechanical system.
Accompanying drawing 4 is for carving body block structure schematic diagram on the utility model specific embodiment mechanical system.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Body formula correction accurate adjustment system is carved in a kind of immersed tube bottom, this system comprises control system and mechanical system, mechanical system comprises hydraulic power unit, ballast box 1 and is installed in the track of ballast box 1 one sides, being provided with on the track can Orbiting level locating mechanism, this level locating mechanism comprises the base plate 2 that is installed in orbit and the horizontal location jack 3 that is installed on the base plate 2, and an end of horizontal location jack 3 is connected with ballast box 1; Chute and horizontal shifting jack 4 are installed on the base plate 2, be placed with rectifying by jack up case 5 in the chute, be provided with vertical lifting body in this rectifying by jack up case 5, horizontal shifting jack 4 one ends are fixed on the column 12 that is arranged on the base plate 2, and the other end is connected with rectifying by jack up case 5; Vertical lifting body comprise pushing tow jack 6, down carve body piece 7 and on carve body piece 8, on carve body piece 8 upper surface and the lower soffit of carving body piece 7 all be set to ramp structure.Pushing tow jack 6 one ends are fixed on the rectifying by jack up case 5, the other end with under carve body piece 7 and be connected, on carve body piece 8 and be installed in down and carve on the body piece 7, and can vertically move up with the movement of carving down body piece 7.The upper surface of carving down body piece 7 is provided with chute 9, on carve body piece 8 soffit be provided with the slide block 10 corresponding with chute 9, on carve the chute 9 interior movements that body piece 8 can carved down body piece 7 by slide block 10.Be provided with vertical stopper slot on the sidewall of rectifying by jack up case 5, on carve body piece 8 both sides be provided with the spacing block set corresponding with vertical stopper slot 11.
Its correction processing step is as follows:
(1) basis requires: hydraulic power unit and control system that body formula correction accurate adjustment system is carved in the immersed tube bottom 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 that body formula correction accurate adjustment system is carved in the immersed tube bottom enters immersed tube bottom part height, and it is in place to be convenient to mechanical system.
(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 immersed tube bottom is carved the mechanical system sinking of body formula correction accurate adjustment system and 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 of carving body formula correction accurate adjustment system by the wire rope pulling immersed tube bottom that is preset in the immersed tube end is adjacent to the immersed tube end, and then fall implantation, it is in place to utilize the immersed tube bottom to carve the horizontal location jack pushing tow rectifying by jack up case of mechanical system self of body formula correction accurate adjustment system; When sinking was in place, the rectifying by jack up case state that mediates was pushed to an end of correction by the horizontal shifting jack with the rectifying by jack up case before jacking, keep horizontal shifting jack correction amount between 10-20cm.
(4) immersed tube jacking: by carving body piece 0.4m under the pushing tow jack pushing tow, on carve the jacking of body piece and raise 0.1m, carve body piece and immersed tube gap in the elimination, make and carve body piece and immersed tube bottom close contact; The pushing tow jack continues to carve the body piece to 0.9m under the pushing tow, on carve the body piece and raised 0.2m by jacking, immersed tube is raised by jacking, at this moment, immersed tube reaches 600t to carving body piece gross pressure, on carve body piece and immersed tube generation frictional force can reach 360t.
(5) immersed tube correction: lower carve the body piece spacing by pushing tow jack pushing tow after, horizontal shifting jack pushing tow rectifying by jack up case correction immersed tube 100mm realizes immersed tube correction operation.
(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, by carving the body piece under the pulling of pushing tow jack, make and carve the decline of body piece, immersed tube decline implantation is finished correction, at this moment, the mechanical system that body formula correction accurate adjustment system is carved in the immersed tube bottom withdraws from the immersed tube bottom, and the mechanical system of utilizing crane gear that body formula correction accurate adjustment system is carved in the immersed tube bottom winches 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. body formula correction accurate adjustment system is carved in an immersed tube bottom, 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 comprise the pushing tow jack, down carve the body piece and on carve the body piece, pushing tow jack one end is fixed on the rectifying by jack up case, the other end with under carve the body piece and be connected, on carve the body piece and be installed in down and carve on the body piece, and can vertically move up with the movement of carving down the body piece.
2. body formula correction accurate adjustment system is carved in immersed tube as claimed in claim 1 bottom, it is characterized in that: the lower upper surface of carving the body piece is provided with chute, on carve the body piece soffit be provided with the slide block corresponding with chute, on carve the body piece and can in the chute of carving down the body piece, move by slide block.
3. body formula correction accurate adjustment system is carved in immersed tube as claimed in claim 1 bottom, it is characterized in that: be provided with vertical stopper slot on the sidewall of rectifying by jack up case, on carve the body piece both sides be provided with the spacing block set corresponding with vertical stopper slot.
4. body formula correction accurate adjustment system is carved in immersed tube as claimed in claim 1 bottom, and it is characterized in that: be provided with column on the base plate, horizontal shifting jack one end is fixed on the column, and the other end is connected with the rectifying by jack up case.
5. carve body formula correction accurate adjustment system such as the described immersed tube of claim 1 to 4 any one bottom, it is characterized in that: on carve the body piece upper surface and the lower soffit of carving the body piece all be set to ramp structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220264816 CN202787315U (en) | 2012-05-29 | 2012-05-29 | Immersed tube bottom end carving body type rectifying and fine adjusting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220264816 CN202787315U (en) | 2012-05-29 | 2012-05-29 | Immersed tube bottom end carving body type rectifying and fine adjusting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202787315U true CN202787315U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220264816 Expired - Lifetime CN202787315U (en) | 2012-05-29 | 2012-05-29 | Immersed tube bottom end carving body type rectifying and fine adjusting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202787315U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720211A (en) * | 2012-05-29 | 2012-10-10 | 中交一航局第二工程有限公司 | Wedge type bottom-end deviation fine-rectifying system for immersed pipe and rectifying process of wedge type bottom-end deviation fine-rectifying system |
-
2012
- 2012-05-29 CN CN 201220264816 patent/CN202787315U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720211A (en) * | 2012-05-29 | 2012-10-10 | 中交一航局第二工程有限公司 | Wedge type bottom-end deviation fine-rectifying system for immersed pipe and rectifying process of wedge type bottom-end deviation fine-rectifying system |
| CN102720211B (en) * | 2012-05-29 | 2014-10-15 | 中交一航局第二工程有限公司 | Wedge type bottom-end deviation fine-rectifying system for immersed pipe and rectifying process of wedge type bottom-end deviation fine-rectifying system |
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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: 20130313 Effective date of abandoning: 20141015 |
|
| RGAV | Abandon patent right to avoid regrant |