CN206916746U - High-pressure jet, jetting type are removed obstacles immersed tube - Google Patents
High-pressure jet, jetting type are removed obstacles immersed tube Download PDFInfo
- Publication number
- CN206916746U CN206916746U CN201720591592.8U CN201720591592U CN206916746U CN 206916746 U CN206916746 U CN 206916746U CN 201720591592 U CN201720591592 U CN 201720591592U CN 206916746 U CN206916746 U CN 206916746U
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- shaped steel
- immersed tube
- pressure
- pressure jet
- sleeve pipe
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 65
- 239000010959 steel Substances 0.000 claims abstract description 65
- 230000004888 barrier function Effects 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 230000000694 effects Effects 0.000 claims description 9
- 230000007306 turnover Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 13
- 239000002689 soil Substances 0.000 abstract description 10
- 238000002347 injection Methods 0.000 abstract description 6
- 239000007924 injection Substances 0.000 abstract description 6
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 239000007921 spray Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
Removed obstacles immersed tube the utility model discloses a kind of high-pressure jet, jetting type, belong to technical field of building construction.The immersed tube includes：Elongated shaped steel, the U-shaped steel plate being fixed in the shaped steel bottom sidewall and the water jetting at high pressure device and high-pressure jet device that are arranged on the immersed tube, the U-shaped steel plate and the shaped steel enclose casing section.The immersed tube uses elongated shaped steel, sets casing section in bottom, considerably reduces the steel using amount of immersed tube, saved cost；Meanwhile water jetting at high pressure device injection High-Pressure Water, high-pressure jet device injection high pressure draught, barrier surrounding soil is quickly peeled off and form mud, reduce the resistance in immersed tube sinking watching, and resistance when pulling out is reduced, improve efficiency of construction.
Description
Technical field
The utility model is related to a kind of high-pressure jet, jetting type is removed obstacles immersed tube, belong to technical field of building construction.
Background technology
In recent years, as domestic economy is fast-developing, the urban construction redevelopment of large- and-medium size cities, Support during Old City Reconstruction, subway tunnel
The engineerings such as road, bridge reconstruction enlarging are continuously increased, and the barriers such as the old pile foundation of underground residual are frequently encountered in construction to be needed
Remove, these underground obstacles have become the thorny problem of underground engineering construction.
On the removing of underground obstacle, because the size of barrier, depth are different, its method removed is not yet
Together.Currently used method has：(1) slope excavates method of removing obstacles, shallower for buried depth, such as obstacle of the buried depth within 4m
Thing, if surrounding enviroment allow, generally excavated and removed using slope；(2) full circle swinging full-sleeve is removed obstacles method, for single embedding
Deeper long and narrow underground obstacle, entangle pile body with sleeve pipe using full-rotating drill and carry out cutting operation, the powerful revolution of sleeve pipe
Moment of torsion can twist off pile body, be taken out with punching grab bucket.
Periphery can often be affected greatly however, slope excavates method of removing obstacles, and the scope of application is extremely restricted, no
The larger barrier of buried depth suitable for engineering；Full circle swinging full-sleeve is removed obstacles method, and the full-rotating drill used is expensive, removes obstacles
It is costly, and construct cycle it is also longer, it is impossible to meet the economic benefit and social benefit of modern construction requirement.Therefore,
For the elongated barrier that buried depth is larger, a kind of new equipment of removing obstacles is needed badly.
Utility model content
Excavated for slope in the prior art and remove obstacles method and full circle swinging full-sleeve is removed obstacles insufficient existing for method, the utility model
Provide a kind of high-pressure jet, jetting type is removed obstacles immersed tube.The immersed tube uses elongated shaped steel, sets casing section in bottom, greatly
Ground reduces the steel using amount of immersed tube, has saved cost；Meanwhile water jetting at high pressure device injection High-Pressure Water, the spray of high-pressure jet device
High pressure draught is penetrated, barrier surrounding soil is quickly peeled off and forms mud, reduce the resistance in immersed tube sinking watching, and reduce
Resistance when pulling out, improve efficiency of construction.
To solve above technical problem, the utility model includes following technical scheme：
A kind of high-pressure jet, jetting type are removed obstacles immersed tube, and for removing the barrier of embedded underground, the immersed tube includes：
Shaped steel, the shaped steel are I-steel, H profile steel or the channel-section steel of elongated structure；
U-shaped steel plate, the openend of the U-shaped steel plate are welded in the shaped steel bottom sidewall, the U-shaped steel plate and described
Shaped steel encloses casing section, and the sectional dimension of described sleeve pipe section is more than the cross dimension of the barrier；
Water jetting at high pressure device, the water jetting at high pressure device include being arranged on High-Pressure Water nozzle and the fixation of described sleeve pipe section
High-pressure water pipe on the shaped steel；
High-pressure jet device, the high-pressure jet device include being arranged on high pressure draught nozzle and the fixation of described sleeve pipe section
High-pressure air pipe on the shaped steel.
Further, the bottom termination of described sleeve pipe section, which is connected through the hinge, drop in leaf, the activity of the drop in leaf
Scope meets 0 °<The angle of β≤90 °, wherein β between the drop in leaf and described sleeve pipe section inwall.
Preferably, the hinge is that corner limits hinge, including rotating shaft and rotating cylinder, the rotating cylinder are arranged on described sleeve pipe section
In the side wall of bottom, the rotating shaft is correspondingly arranged at the upper surface of the connection end of the drop in leaf.
Preferably, limited block is provided with the side wall of described sleeve pipe section, the free end of the drop in leaf downwardly turns over
During to horizontal level, it is supported on the limited block.
Preferably, described sleeve pipe section bottom termination is welded with triangular steel plate.
The utility model is allowed to compared with prior art, have the following advantages that and accumulate due to using above technical scheme
Pole effect：
(1) immersed tube provided by the utility model of removing obstacles, using elongated shaped steel, casing section is set in bottom, greatly reduced
The steel using amount of immersed tube, has saved cost：
(2) immersed tube provided by the utility model of removing obstacles, High-Pressure Water, high-pressure jet device are sprayed by water jetting at high pressure device
High pressure draught is sprayed, barrier surrounding soil is quickly peeled off and forms mud, reduce the resistance in immersed tube sinking watching, and subtract
Resistance when few barrier is pulled out, improves efficiency of construction；
(3) immersed tube provided by the utility model of removing obstacles, have have a wide range of application, that effect of removing obstacles is good, efficiency of construction is high etc. is excellent
Point.
Brief description of the drawings
Fig. 1 is that high-pressure jet, the jetting type that one embodiment of the invention provides are removed obstacles the structural representation of immersed tube；
Fig. 2 is along the sectional view of A-A sections in Fig. 1；
Fig. 3 is along the sectional view of B-B sections in Fig. 1.
Fig. 4 is that high-pressure jet, the jetting type that another embodiment of the utility model provides are removed obstacles the construction method of removing obstacles of immersed tube
FB(flow block)；
Fig. 5 to Fig. 8 be respectively high-pressure jet, jetting type remove obstacles immersed tube construction method of removing obstacles work progress schematic diagram.
Label is as follows in figure：
Crane 100；Suspension hook 110；Steel wire rope 120；Vibration hammer 130；Casing 200；Barrier 300；
Immersed tube 400；Shaped steel 410；U-shaped steel plate 420；Casing section 430；Water jetting at high pressure device 440；High-Pressure Water nozzle 441；
High-pressure water pipe 442；High-pressure jet device 450；High pressure draught nozzle 451；High-pressure air pipe 452；Hinge 460；Corner limits hinge
461st, rotating shaft 461a, rotating cylinder 461b；Drop in leaf 470；Limited block 471.
Embodiment
Immersed tube of being removed obstacles below in conjunction with the drawings and specific embodiments to high-pressure jet provided by the utility model, jetting type make into
One step describes in detail.With reference to following explanation and claims, advantages and features of the present utility model will become apparent from.It should be noted
It is that accompanying drawing uses using very simplified form and non-accurately ratio, only to convenience, lucidly aids in illustrating this reality
With the purpose of new embodiment.
Embodiment one
Main points of the present utility model are described further below in conjunction with Fig. 1 to Fig. 3.High pressure provided by the utility model
Jet, jetting type immersed tube 400 of removing obstacles are mainly used in removing the elongated barrier 300 of embedded underground, as usual pile tube etc..
Immersed tube 400 includes top-down elongated shaped steel 410 and is welded on U-shaped steel of the shaped steel 410 in the side wall of bottom
Plate 420.Shaped steel 410 can be for structure types such as I-steel, H profile steel, channel-section steels, one section of height in shaped steel 410 from bottom up extension
In degree, welding U-shaped steel plate 420, the openend of U-shaped steel plate 420 is welded on the both sides of shaped steel 410, U-shaped steel plate 420 and shaped steel 410
Form casing section 430.Certainly, U-shaped steel plate 420 can also be circular arc shape steel plate, or cross section is other shapes of steel plate structure,
As long as it is adapted to the cross dimension of barrier 300.Immersed tube 400 uses elongated shaped steel 410, only sets casing section in bottom
430, the steel using amount of immersed tube 400 is considerably reduced, has saved cost.
Immersed tube 400 also includes the water jetting at high pressure device 440 and high-pressure jet device 450 being arranged on shaped steel 410.High injection
Water installations 440 include being arranged on the High-Pressure Water nozzle 441 of casing section 430 and the high-pressure water pipe 442 being fixed on shaped steel 410.
High-pressure jet device 450 includes being arranged on the high pressure draught nozzle 451 of casing section 430 and the high pressure gas being fixed on shaped steel 410
Pipe 452.The High-Pressure Water sprayed from High-Pressure Water nozzle 441, washes away the surrounding soil of barrier 300, mud is formed, from high pressure gas
The high pressure draught that flow nozzle 451 sprays, mud is further stirred, accelerate to peel off the surrounding soil of barrier 300.Water jetting at high pressure device
440 injection High-Pressure Waters, high-pressure jet device 450 spray high pressure draught, peel off the surrounding soil of barrier 300, reduce immersed tube
Resistance in 400 sinking watchings, while decrease barrier 300 and act resistance when pulling out.
Preferably, the bottom end of casing section 430 is provided with drop in leaf 470 by hinge 460, drop in leaf 470
Scope of activities meets 0 °<β≤90 °, angles of the β between drop in leaf 470 and the inwall of casing section 430.Let off under immersed tube 400
Cheng Zhong, under soil drag effect, the free end of drop in leaf 470 is flipped up, and does not influence immersed tube 400 along under barrier 300
Put.Transfer to rise behind bottom pull out when, under earth pressure and Gravitative Loads, the free end of drop in leaf 470 downwardly turn over to
Horizontal level, the bottom bracket as barrier 300.
As an example, hinge 460 can use corner limitation hinge 461, corner limitation hinge 461 include rotating shaft 461a and
Rotating cylinder 461b, wherein rotating cylinder 461b are arranged on the bottom inside of casing section 430, rotating shaft 461a be correspondingly arranged at drop in leaf 470 with
The top of the connection end of casing section 430.The mode of the corner limitation limiting rotating angle of hinge 461 can be divided into two kinds, and one is to turn
Stopper slot is set on cylinder 461b, banking pin is set on rotating shaft 461a, rotating shaft 461a drives banking pin to be rotated in stopper slot；Its
Two are, when the free end of drop in leaf 470 is downwardly turned over to horizontal level, the side wall of casing section 430 is withstood in connection end, makes activity
The free end of turnover panel 470 can not further downwardly turn over.
In order to strengthen the stability of drop in leaf 470, limited block 471 is provided with the side wall of casing section 430, activity is turned over
When the free end of plate 470 is downwardly turned over to horizontal level, be supported on limited block 471, prevent drop in leaf 470 free end after
It is continuous to downwardly turn over.Further citing, in the case of limited block 471 are provided with, corner limitation hinge 461 can be by other hinges
460 replace, such as ready-made hinge.
In order to accelerate casing section 430 to transfer, preferential embodiment is that the bottom of casing section 430 is welded with triangular steel plate shape
Into triangle tip, reduce immersed tube 400 and transfer resistance.
Embodiment two
Below with reference to Fig. 4 to Fig. 8, and the construction of removing obstacles for immersed tube of being removed obstacles to high-pressure jet, jetting type with reference to Fig. 1 to Fig. 3
Method is described further.The construction method of removing obstacles mainly includes step：
S1. refering to shown in Fig. 4 and Fig. 5, the positions and dimensions of barrier are determined, earth excavation is carried out, is hung using crane 100
Fill and casing 200 is installed, using the hanging steel rope 120 of suspension hook 110 of crane 100, the other end of steel wire rope 120 is fixed on casing
On 200 hanger, make the bottom of casing 200 less than the top of barrier 300.Preferably, the bottom of casing 200 and the top of barrier 300
Vertical height be not less than 300mm.Cross section can be selected as circular or rectangular steel pipe in casing 200, sets casing 200 to prevent
Only side Study on Soil Collapse, under its protection, make the top of barrier 300 visible, facilitate subsequent construction.
S2. Fig. 4, Fig. 6 are referred to, and with reference to shown in Fig. 1 to Fig. 3, vibration hammer 130, vibration hammer 130 are played using crane 100
The top of immersed tube 400 is clamped, immersed tube 400 is shaken in the soil body, in sinking watching, utilizes the high injection being fixed on immersed tube 400
Water installations 440 spray High-Pressure Water, high-pressure jet device 450 sprays high pressure draught, by the soil body and obstacle around barrier 300
Thing 300 is peeled away, and reduces resistance when immersed tube 400 sinks, while can also reduce resistance when follow-up barrier 300 is pulled out.
S3. refering to Fig. 4, Fig. 7 and with reference to shown in Fig. 1 to Fig. 3, after immersed tube 400 vibrates on earth, jetting, jet are stopped,
Rise and pull out barrier 300, at the same the drop in leaf 470 of the bottom of immersed tube 400 rise pull out when automatic turning under bottom as barrier 300
Bearing device.When barrier 300 is elongated old stake, barrier 300 can be used to be segmented and pull out, cut off paragraph by paragraph.
S4. as shown in figure 5, after barrier is all extracted, the backfilling working of hole is carried out immediately, is backfilled to nature ground
Afterwards, carry out rising for casing 200 and pull out work.
Foregoing description is only the description to the utility model preferred embodiment, not to any limit of the scope of the utility model
Calmly, any change, the modification that the those of ordinary skill in the utility model field does according to the disclosure above content, belonging to right will
Seek the protection domain of book.
Claims (5)
- The immersed tube 1. a kind of high-pressure jet, jetting type are removed obstacles, for removing the barrier of embedded underground, it is characterised in that described heavy Pipe includes：Shaped steel, the shaped steel are I-steel, H profile steel or the channel-section steel of elongated structure；U-shaped steel plate, the openend of the U-shaped steel plate are welded in the shaped steel bottom sidewall, the U-shaped steel plate and the shaped steel Casing section is enclosed, the sectional dimension of described sleeve pipe section is more than the cross dimension of the barrier；Water jetting at high pressure device, the water jetting at high pressure device include being arranged on the High-Pressure Water nozzle of described sleeve pipe section and are fixed on institute State the high-pressure water pipe on shaped steel；High-pressure jet device, the high-pressure jet device include being arranged on the high pressure draught nozzle of described sleeve pipe section and are fixed on institute State the high-pressure air pipe on shaped steel.
- The immersed tube 2. high-pressure jet as claimed in claim 1, jetting type are removed obstacles, it is characterised in that the bottom end of described sleeve pipe section Head is connected through the hinge and has drop in leaf, and the scope of activities of the drop in leaf meets 0 °<β≤90 °, wherein β are the activity Angle between turnover panel and described sleeve pipe section inwall.
- The immersed tube 3. high-pressure jet as claimed in claim 2, jetting type are removed obstacles, it is characterised in that the hinge limits for corner Hinge, including rotating shaft and rotating cylinder, the rotating cylinder are arranged in the side wall of described sleeve pipe section bottom, and the rotating shaft is correspondingly arranged at institute State the upper surface of the connection end of drop in leaf.
- The immersed tube 4. high-pressure jet as claimed in claim 3, jetting type are removed obstacles, it is characterised in that in the side wall of described sleeve pipe section On be provided with limited block, when the free end of the drop in leaf is downwardly turned over to horizontal level, be supported on the limited block.
- The immersed tube 5. high-pressure jet, jetting type as described in any one of Claims 1-4 are removed obstacles, it is characterised in that described sleeve pipe section Bottom termination is welded with triangular steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720591592.8U CN206916746U (en) | 2017-05-25 | 2017-05-25 | High-pressure jet, jetting type are removed obstacles immersed tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720591592.8U CN206916746U (en) | 2017-05-25 | 2017-05-25 | High-pressure jet, jetting type are removed obstacles immersed tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206916746U true CN206916746U (en) | 2018-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720591592.8U Expired - Fee Related CN206916746U (en) | 2017-05-25 | 2017-05-25 | High-pressure jet, jetting type are removed obstacles immersed tube |
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| Country | Link |
|---|---|
| CN (1) | CN206916746U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109610454A (en) * | 2018-12-20 | 2019-04-12 | 上海勇创建设发展有限公司 | A kind of underground obstacle barrier clearing device and its construction method |
| CN111622775A (en) * | 2020-06-08 | 2020-09-04 | 北京市轨道交通建设管理有限公司 | Hydraulic cutting resistance-reducing pre-supporting device and hydraulic cutting system |
-
2017
- 2017-05-25 CN CN201720591592.8U patent/CN206916746U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109610454A (en) * | 2018-12-20 | 2019-04-12 | 上海勇创建设发展有限公司 | A kind of underground obstacle barrier clearing device and its construction method |
| CN111622775A (en) * | 2020-06-08 | 2020-09-04 | 北京市轨道交通建设管理有限公司 | Hydraulic cutting resistance-reducing pre-supporting device and hydraulic cutting system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180123 |