CN202787314U - Immersed tube bottom end forklift-type rectifying and fine adjusting system - Google Patents

Immersed tube bottom end forklift-type rectifying and fine adjusting system Download PDF

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Publication number
CN202787314U
CN202787314U CN 201220264795 CN201220264795U CN202787314U CN 202787314 U CN202787314 U CN 202787314U CN 201220264795 CN201220264795 CN 201220264795 CN 201220264795 U CN201220264795 U CN 201220264795U CN 202787314 U CN202787314 U CN 202787314U
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CN
China
Prior art keywords
immersed tube
jack
base plate
horizontal
vertical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN 201220264795
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Chinese (zh)
Inventor
刘德进
林鸣
曲俐俐
冯海暴
李增军
李德钊
杨瑞亮
陆连洲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CCCC First Harbor Engineering Co Ltd
No 2 Engineering Co Ltd of CCCC First Harbor Engineering Co Ltd
Original Assignee
CCCC First Harbor Engineering Co Ltd
No 2 Engineering Co Ltd of CCCC First Harbor Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CCCC First Harbor Engineering Co Ltd, No 2 Engineering Co Ltd of CCCC First Harbor Engineering Co Ltd filed Critical CCCC First Harbor Engineering Co Ltd
Priority to CN 201220264795 priority Critical patent/CN202787314U/en
Application granted granted Critical
Publication of CN202787314U publication Critical patent/CN202787314U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to an immersed tube bottom end forklift-type rectifying and fine 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 arranged on one side of the weight box. The rail is provided with a horizontal positioning jacking mechanism which is capable of operating along the rail and comprises a base plate arranged on the rail and a horizontal positioning jacking jack arranged on the base plate. One end of the horizontal jacking jack is connected with the weight box. A vertical jacking mechanism is arranged on the base plate and composed of a vertical jacking jack arranged on the base plate and a lifting rack arranged on the top end of the vertical jacking jack. The vertical jack is arranged on the base board. One side of the lifting rack is provided with a lifting platform for bearing an immersed tube. The lifting platform is provided with a horizontal sidesway mechanism. The immersed tube bottom end forklift-type rectifying and fine adjusting system is simple and reasonable in structure, convenient to operate, accurate to position, high in installation accuracy, capable of being hardly influenced by natural conditions like waves, currents, winds and the like, and high in stability.

Description

Immersed tube bottom fork-lift type correction accurate adjustment system
Technical field
The utility model relates to the immersed tube tunnel construction technology, specifically, relates to correction regulating system in immersed tube bottom 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, a kind of immersed tube bottom fork-lift type correction 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 fork-lift type correction 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 horizontal location top-pushing mechanism, this horizontal location top-pushing mechanism comprises the base plate that is installed in orbit and the horizontal pushing tow jack that is installed on the base plate, and an end of horizontal pushing tow jack is connected with ballast box; Vertical lifting body is installed on the base plate, this vertical lifting body comprise vertical jack and and be installed in the crane on vertical jack top, vertical jack is installed on the base plate, one side of crane is provided with the elevating stage for the carrying immersed tube, opposite side is provided with door frame supporting construction, and elevating stage and door frame supporting construction connect as one with crane respectively; Horizontal shifting mechanism is installed on the elevating stage.
Preferably, horizontal shifting mechanism comprises horizontal shifting jack and immersed tube load carrier, and the horizontal shifting jack is provided with two, is installed in respectively the two ends of elevating stage, and the immersed tube load carrier is placed on the top of elevating stage.
Preferably, the immersed tube load carrier comprises the load level travelling carriage that is arranged on the bottom and the carrying trave lling girder that is installed on the load level travelling carriage, and the two ends of load level travelling carriage are connected with a horizontal shifting jack respectively.
Preferably, be provided with rubber pad between base plate and the track.
The beneficial effects of the utility model are: the utility model correction accurate adjustment system architecture advantages of simple, easy to operate, when immersed tube is installed, be positioned over the immersed tube bottom, be used for the bottom correction of immersed tube, accurate positioning, installation accuracy is high, and whole adjustment process finishes automatically by control system, and is time saving and energy saving, be subjected to the effect of natural conditions such as wave, current, wind little, after correction is finished, can directly unload correction accurate adjustment system, stability is high.
Description of drawings
Accompanying drawing 1 is the plane arrangement structure figure of the utility model specific embodiment.
Accompanying drawing 2 is the storage configuration schematic diagram of the utility model specific embodiment.
Accompanying drawing 3 is the working state schematic representation of the utility model specific embodiment.
Accompanying drawing 4 is F-F cross-sectional view in the utility model accompanying drawing 3.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figures 1 to 4, a kind of immersed tube bottom fork-lift type correction 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 horizontal location top-pushing mechanism of track 2 operations, this horizontal location top-pushing mechanism comprises and is installed at the base plate 3 on the track 2 and is installed in horizontal pushing tow jack 4 on the base plate 3, be provided with rubber pad 5 between base plate 3 and the track 2, an end of horizontal pushing tow jack 4 is connected with ballast box 1; Vertical lifting body is installed on the base plate 3.Vertical lifting body comprise vertical jack 6 and and be installed in the crane 7 on vertical jack 6 tops, vertical jack 6 is installed on the base plate 3, one side of crane 7 is provided with the elevating stage 8 for the carrying immersed tube, opposite side is provided with door frame supporting construction 9, elevating stage 8 and door frame supporting construction 9 connect as one with crane 7 respectively, and door frame supporting construction 9 is connected with the top of vertical jacking tractive jack 10 on being installed in base plate 3.Horizontal shifting mechanism is installed on the elevating stage 8, this horizontal shifting mechanism comprises horizontal shifting jack 11 and immersed tube load carrier, horizontal shifting jack 11 is provided with two, is installed in respectively the two ends of elevating stage 8, and the immersed tube load carrier is placed on the top of elevating stage 8; The immersed tube load carrier comprises the load level travelling carriage 12 that is arranged on the bottom and the carrying trave lling girder 13 that is installed on the load level travelling carriage 12, and the two ends of load level travelling carriage 12 are connected with a horizontal shifting jack 11 respectively.
Its adjusting process step is as follows:
(1) basis requires: hydraulic power unit and the control system of immersed tube bottom fork-lift type correction accurate adjustment 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 8m, it is 60cm that the mechanical system of immersed tube bottom fork-lift type correction accurate adjustment system 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 mechanical system sinking of immersed tube bottom fork-lift type correction accurate adjustment system leads by wire rope, the 2m place carries out sinking in distance immersed tube end, the mechanical system of immersed tube bottom fork-lift type correction accurate adjustment system is implantation at first, and then the 30cm that slings, the mechanical system that spurs immersed tube bottom fork-lift type 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 and land, utilize the vertical lifting body of horizontal pushing tow jack pushing tow of mechanical system self of immersed tube bottom fork-lift type correction accurate adjustment system in place;
(4) immersed tube bottom fork-lift type correction accurate adjustment system correction: after the mechanical system of immersed tube bottom fork-lift type correction accurate adjustment system is in place, mechanical system situation in place by watch-dog observation immersed tube bottom fork-lift type correction accurate adjustment system, after meeting the demands, start first vertical jack, vertical jack passes to the immersed tube load carrier by the elevating stage that is arranged on crane one side with top lift, and by the immersed tube load carrier immersed tube tail end is applied the 600t top lift, lock vertical jack, start the horizontal shifting jack that is connected on the elevating stage, the horizontal shifting jack promotes immersed tube load carrier transverse shifting and carries out the correction of immersed tube axis;
(5) Real-Time Monitoring: the operating period of rectifying a deviation utilizes total powerstation by measured hole observation immersed tube tail end correction situation;
(6) equipment shifts out: after correction is finished, add the Ballast Water band and carry the overflow release, the mechanical system of immersed tube bottom fork-lift type correction accurate adjustment system withdraws from the immersed tube bottom, utilizes crane gear that the mechanical system of immersed tube bottom fork-lift type correction 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 fork-lift type 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 horizontal location top-pushing mechanism, this horizontal location top-pushing mechanism comprises the base plate that is installed in orbit and the horizontal pushing tow jack that is installed on the base plate, and an end of horizontal pushing tow jack is connected with ballast box; Vertical lifting body is installed on the base plate, this vertical lifting body comprise vertical jack and and be installed in the crane on vertical jack top, vertical jack is installed on the base plate, one side of crane is provided with the elevating stage for the carrying immersed tube, opposite side is provided with door frame supporting construction, and elevating stage and door frame supporting construction connect as one with crane respectively; Horizontal shifting mechanism is installed on the elevating stage.
2. immersed tube as claimed in claim 1 bottom fork-lift type correction accurate adjustment system, it is characterized in that: horizontal shifting mechanism comprises horizontal shifting jack and immersed tube load carrier, the horizontal shifting jack is provided with two, be installed in respectively the two ends of elevating stage, the immersed tube load carrier is placed on the top of elevating stage.
3. immersed tube as claimed in claim 2 bottom fork-lift type correction accurate adjustment system, it is characterized in that: the immersed tube load carrier comprises the load level travelling carriage that is arranged on the bottom and the carrying trave lling girder that is installed on the load level travelling carriage, and the two ends of load level travelling carriage are connected with a horizontal shifting jack respectively.
4. immersed tube as claimed in claim 1 bottom fork-lift type correction accurate adjustment system is characterized in that: be provided with rubber pad between base plate and the track.
5. immersed tube as claimed in claim 1 bottom fork-lift type correction accurate adjustment system is characterized in that: door frame supporting construction is connected with the top of vertical jacking tractive jack on being installed in base plate.
CN 201220264795 2012-05-29 2012-05-29 Immersed tube bottom end forklift-type rectifying and fine adjusting system Withdrawn - After Issue CN202787314U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220264795 CN202787314U (en) 2012-05-29 2012-05-29 Immersed tube bottom end forklift-type rectifying and fine adjusting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220264795 CN202787314U (en) 2012-05-29 2012-05-29 Immersed tube bottom end forklift-type rectifying and fine adjusting system

Publications (1)

Publication Number Publication Date
CN202787314U true CN202787314U (en) 2013-03-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

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CN (1) CN202787314U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102704508A (en) * 2012-05-29 2012-10-03 中交一航局第二工程有限公司 Immersed tube bottom end fork truck type deviation correcting fine adjusting system and regulating process of system
CN105648935A (en) * 2016-03-18 2016-06-08 吉林省圣翔建材集团有限公司 Box culvert assembling and aligning machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102704508A (en) * 2012-05-29 2012-10-03 中交一航局第二工程有限公司 Immersed tube bottom end fork truck type deviation correcting fine adjusting system and regulating process of system
CN102704508B (en) * 2012-05-29 2014-06-25 中交一航局第二工程有限公司 Immersed tube bottom end fork truck type deviation correcting fine adjusting system and regulating process of system
CN105648935A (en) * 2016-03-18 2016-06-08 吉林省圣翔建材集团有限公司 Box culvert assembling and aligning machine

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C14 Grant of patent or utility model
AV01 Patent right actively abandoned

Granted publication date: 20130313

Effective date of abandoning: 20140625

RGAV Abandon patent right to avoid regrant