CN205558929U - Sand cobble stratum tunnel blows device of leading pipe of hole construction - Google Patents
Sand cobble stratum tunnel blows device of leading pipe of hole construction Download PDFInfo
- Publication number
- CN205558929U CN205558929U CN201620361464.XU CN201620361464U CN205558929U CN 205558929 U CN205558929 U CN 205558929U CN 201620361464 U CN201620361464 U CN 201620361464U CN 205558929 U CN205558929 U CN 205558929U
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- China
- Prior art keywords
- blowpipe
- high pressure
- construction
- sand
- pebble layer
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Abstract
The utility model relates to a sand cobble stratum tunnel blows device of leading pipe of hole construction, feed guide structure and bearing structure including air compressor, high -pressure blowpipe, blowpipe, high pressure blowpipe intercommunication air compressor's gas vent, the high pressure blowpipe detachably install on the blowpipe feeds guide structure to it leads to working direction to feed guide structure through the blowpipe, the blowpipe feeds guide structure to be installed on bearing structure, and the blowpipe feeds guide structure and can carry out angular adjustment by relative bearing structure. Compared with the prior art, utilize this device to carry out the installation of leading pipe, reduced the stratum disturbance, reduced excavation landslide risk, have advantages such as simple process, advanced technology, practicality are strong.
Description
Technical field
This utility model relates to constructing tunnel field, is specifically related to the aperture blowing construction of a kind of sand-pebble layer tunnel
The device of advanced conduit.
Background technology
China starts to build the infrastructure such as highway, railway in a large number, some sandy gravel in these infrastructure
Formation tunnel.Conventional construction method is to use excavation after drilling construction advanced conduit grouting support, not only deposits
Bit freezing and the layer of disturbance in the borehole, and after holing, collapse hole cannot be constructed advanced tubule, causes construction
The difficult problems such as work efficiency is low, cost is high, landslide risk is big, there is presently no preferable construction method.
Utility model content
This utility model this utility model is in order to solve sand-pebble layer tunnel advanced conduit supporting construction work
Imitate low, cost is high, ground disturbance is big and the landslide difficult problems such as risk is big, it is provided that a kind of sand-pebble layer tunnel
The device of the road aperture blowing advanced conduit of construction.
The technical scheme that this utility model solves above-mentioned technical problem is as follows: a kind of sand-pebble layer tunnel blows
Hole construct advanced conduit device, including air compressor, high pressure blowpipe, blowpipe feeding guide frame and
Supporting construction, the air vent of described high pressure blowpipe connection air compressor, described high pressure blowpipe is removably
It is arranged on blowpipe feeding guide frame, and by blowpipe feeding guide frame, operative orientation is led
To, described blowpipe feeding guide frame is installed on the support structure, and blowpipe feeding guide frame can be relatively
Supporting construction carries out angle adjustment.
As preferably, described high pressure blowpipe is made up of hard material, high pressure blowpipe connection air compressor
One end that one end of air vent is installed is provided with high-pressure blast gate valve, and the other end is outlet side.
As preferably, the outlet side of described high pressure blowpipe is arranged to taper, has at the tip of taper and gives vent to anger
Mouthful.
As preferably, described blowpipe feeding guide frame for be set in high pressure blowpipe outside and with high pressure blowpipe
The sleeve pipe being slidably matched, the outer wall at sleeve pipe is installed with supporting leg, and sleeve pipe is connected with supporting construction by supporting leg.
As preferably, described high pressure blowpipe and sleeve pipe are pipe.
As preferably, the top of described supporting construction is provided with installing hole, and the supporting leg of described sleeve pipe is by wearing
The bolt crossing installing hole is connected with supporting construction.
As preferably, described supporting construction is spider, fixes attaching nut, spiral shell at the top of spider
Female screw is above-mentioned installing hole, and described supporting leg offers the through hole corresponding with the screw of nut, logical
Cross bolt through after through hole and nut forms the connection sleeve pipe and spider.
As preferably, described high pressure blowpipe passes through the hose connection air vent to air compressor of high-pressure blast.
As preferably, the surface configuration of described high pressure blowpipe has length scale.
The beneficial effects of the utility model are: use this device to install advanced conduit, blow first with high pressure
Pipe carries out aperture blowing, and its aperture blowing work efficiency is high, owing to aperture blowing process is anhydrous, decreases the disturbance to stratum, and
The controlled of aperture blowing direction is realized, it is ensured that hole quality by blowpipe feeding guide frame.Complete in aperture blowing
Afterwards, utilize blowpipe closely to guide frame to install advanced conduit, make the installation direction of feed of advanced conduit
Consistent with aperture blowing direction, advanced conduit installation rate is fast, and without card pipe, operation is simple, and construction cost is low.
Compared with prior art, utilize this device to carry out the installation of advanced conduit, decrease ground disturbance,
Reduce excavation landslide risk, have that technique is simple, advanced technology, an advantage such as practical.
Accompanying drawing explanation
Fig. 1 is schematic cross section of the present utility model;
Fig. 2 is vertical section of the present utility model schematic diagram;
In accompanying drawing, the list of parts representated by each label is as follows:
1, top bar in tunnel, 2, tunnel get out of a predicament or an embarrassing situation, 3, air compressor, 4, high-pressure blast flexible pipe, 5,
Spider, 6, sleeve pipe, 7, high pressure blowpipe, 8, high-pressure blast gate valve, at the beginning of 9, tunneling, 10,
Supporting leg.
Detailed description of the invention
Being described principle of the present utility model and feature below in conjunction with accompanying drawing, example is served only for solving
Release this utility model, be not intended to limit scope of the present utility model.
Embodiment 1
As depicted in figs. 1 and 2, the device of a kind of sand-pebble layer tunnel aperture blowing advanced conduit of construction, bag
Include air compressor 3, high pressure blowpipe 7, blowpipe feeding guide frame and supporting construction.
Described high pressure blowpipe 7 is made up of hard material, and the intensity of this hard material should meet can make height
Pressure blowpipe 7 itself sustains the pressure of gases at high pressure, high pressure blowpipe 7 can be made again to have enough hardness and insert
Enter to sand-pebble layer to be onstructed, and also the working strength not resulting in the damage of high pressure blowpipe 7 be advisable,
The material that described hard material selects the working strength that disclosure satisfy that high pressure blowpipe 7 in prior art to require is
Can.
One end of described high pressure blowpipe 7 is outlet side, and the other end is provided with high-pressure blast gate valve 8.In order to make
High pressure blowpipe 7 is easier to insert sandy gravel bottom, and the outlet side of high pressure blowpipe 7 is arranged to taper,
The top of taper has the gas outlet of circle.Preferably, directly select a circular straighttube as high pressure blowpipe
7, the cone air blowing end as high pressure blowpipe 7, the top of cone it is shrunk in circular straighttube one end
For circular gas outlet.In order to judge the feeding length of high pressure blowpipe 7 exactly, at high pressure blowpipe
The surface configuration of 7 has length scale.
Described high pressure blowpipe 7 is connected to air equipped with one end of high-pressure blast gate valve 8 by high-pressure blast flexible pipe 4
The air vent of compressor 3, the gases at high pressure after air compressor 3 pressurizes enter through high-pressure blast flexible pipe 4
Enter high pressure blowpipe 7, blow out from the gas outlet of high pressure blowpipe 7, sand-pebble layer is carried out aperture blowing.
Described blowpipe feeding guide frame is outside for being set in high pressure blowpipe 7, and slides with high pressure blowpipe 7
The sleeve pipe 6 coordinated, it is preferable that in the present embodiment, sleeve pipe 6 is and the pipe of blowpipe form fit.
Outer wall at sleeve pipe 6 is installed with supporting leg 10, and sleeve pipe 6 forms adjustable by supporting leg 10 with supporting construction
The connection of angle.
The top of described supporting construction is provided with installing hole, and the supporting leg 10 of described sleeve pipe 6 is by through peace
The bolt in dress hole is connected with supporting construction.During use, sleeve pipe 6 is adjusted after suitable angle, locking
Bolt makes sleeve pipe 6 relative support structure be formed fixing.
Described supporting construction is spider 5, and certain supporting construction can also be arranged to other and have support work
Any structure, as long as the supporting role to blowpipe feeding guide frame can be played.At three feet
Fix attaching nut at the top of frame 5, and the screw of nut is above-mentioned installing hole, and described supporting leg 10 is opened
It is provided with the through hole corresponding with the screw of nut, after through hole, forms sleeve pipe 6 with nut by bolt
And the connection between spider 5
When being embodied as, comprise the following steps:
Step one, spider 5 are processed
A, it is fixed into spider 5 with 3 diameter 42MM steel pipe one end bolts, and welds at an upper portion thereof
Screw, is fixed on spider at the beginning of tunneling the tunnel of 9 and tops bar 1;B, utilize long 40CM
The steel pipe of diameter 50MM is as sleeve pipe 6, and in the middle part of sleeve pipe 6, lower section welding steel does supporting leg 10;C,
Below sleeve pipe 6, supporting leg 10 bolt penetrates the screw on spider 5 top.
Step 2, installation high pressure blowpipe 7
A, with a root length 4 rice diameter 38MM steel pipe as high pressure blowpipe 7, taper conduct is processed in one end
Outlet side, the other end installs high-pressure blast gate valve 8;B, high pressure blowpipe 7 is inserted in sleeve pipe 6;C, height
High pressure blowpipe 7 one end at pressure damper 8 place is with the exhaust outlet of air compressor 3 by high-pressure hose even
Connecing, air compressor 3 is placed at the beginning of tunneling the tunnel of 9 and gets out of a predicament or an embarrassing situation 2.
Step 3, aperture blowing
A, the adjustment good orientation of sleeve pipe 6, locking sleeve 6 supporting leg 10;B, startup air compressor 3;C、
Open blowpipe damper, high pressure blowpipe 7 insert into stratum blows out stone, utilize on high pressure blowpipe 7
Length scale is checked, until high pressure blowpipe 7 insertion depth meets advanced catheter length.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all
Within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, all
Within protection domain of the present utility model should be included in.
Claims (9)
1. the device of the sand-pebble layer tunnel aperture blowing advanced conduit of construction, it is characterised in that include
Air compressor (3), high pressure blowpipe (7), blowpipe feeding guide frame and supporting construction, described high pressure
The air vent of blowpipe (7) connection air compressor (3), described high pressure blowpipe (7) is removably pacified
It is contained on blowpipe feeding guide frame, and by blowpipe feeding guide frame, operative orientation is guided,
Described blowpipe feeding guide frame is installed on the support structure, and blowpipe feeding guide frame energy relative support
Structure carries out angle adjustment.
The device of the sand-pebble layer tunnel the most according to claim 1 aperture blowing advanced conduit of construction,
It is characterized in that, described high pressure blowpipe (7) is made up of hard material, high pressure blowpipe (7) connection air
One end that one end of the air vent of compressor (3) is installed is provided with high-pressure blast gate valve (8), and the other end is
Outlet side.
The device of the sand-pebble layer tunnel the most according to claim 2 aperture blowing advanced conduit of construction,
It is characterized in that, the outlet side of described high pressure blowpipe (7) is arranged to taper, has at the tip of taper
Gas outlet.
The device of the sand-pebble layer tunnel the most according to claim 2 aperture blowing advanced conduit of construction,
It is characterized in that, described blowpipe feeding guide frame is for being set in high pressure blowpipe (7) outside and high pressure
The sleeve pipe (6) that blowpipe (7) is slidably matched, the outer wall at sleeve pipe (6) is installed with supporting leg (10), set
Pipe (6) is connected with supporting construction by supporting leg (10).
The device of the sand-pebble layer tunnel the most according to claim 4 aperture blowing advanced conduit of construction,
It is characterized in that, described high pressure blowpipe (7) and sleeve pipe (6) are pipe.
The device of the sand-pebble layer tunnel the most according to claim 5 aperture blowing advanced conduit of construction,
It is characterized in that, the top of described supporting construction is provided with installing hole, the supporting leg (10) of described sleeve pipe (6)
It is connected with supporting construction by the bolt through installing hole.
The device of the sand-pebble layer tunnel the most according to claim 6 aperture blowing advanced conduit of construction,
It is characterized in that, described supporting construction is spider (5), the fixing connection at the top of spider (5)
Nut, the screw of nut is above-mentioned installing hole, and described supporting leg offers the screw with nut on (10)
Corresponding through hole, forms sleeve pipe (6) and spider (5) with nut by bolt after through hole
Between connection.
8. super according in claim 1 to 7 any one described sand-pebble layer tunnel aperture blowing construction
The device of dummy pipe, it is characterised in that described high pressure blowpipe (7) is connected by high-pressure blast flexible pipe (4)
Air vent to air compressor (3).
9. super according in claim 1 to 7 any one described sand-pebble layer tunnel aperture blowing construction
The device of dummy pipe, it is characterised in that the surface configuration of described high pressure blowpipe (7) has length scale.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620361464.XU CN205558929U (en) | 2016-04-26 | 2016-04-26 | Sand cobble stratum tunnel blows device of leading pipe of hole construction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620361464.XU CN205558929U (en) | 2016-04-26 | 2016-04-26 | Sand cobble stratum tunnel blows device of leading pipe of hole construction |
Publications (1)
Publication Number | Publication Date |
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CN205558929U true CN205558929U (en) | 2016-09-07 |
Family
ID=56806676
Family Applications (1)
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CN201620361464.XU Expired - Fee Related CN205558929U (en) | 2016-04-26 | 2016-04-26 | Sand cobble stratum tunnel blows device of leading pipe of hole construction |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108277809A (en) * | 2018-01-26 | 2018-07-13 | 中铁十二局集团建筑安装工程有限公司 | Sand seam geology soil nailing pore-forming aperture blowing device and soil-nail wall support construction method |
CN108677966A (en) * | 2018-05-28 | 2018-10-19 | 郑林 | A kind of layer of sand air-blowing forming hole method |
CN110924984A (en) * | 2019-11-29 | 2020-03-27 | 北京中科中电电力工程管理有限公司 | Tunnel grouting equipment and process |
-
2016
- 2016-04-26 CN CN201620361464.XU patent/CN205558929U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108277809A (en) * | 2018-01-26 | 2018-07-13 | 中铁十二局集团建筑安装工程有限公司 | Sand seam geology soil nailing pore-forming aperture blowing device and soil-nail wall support construction method |
CN108277809B (en) * | 2018-01-26 | 2020-12-18 | 中铁十二局集团建筑安装工程有限公司 | Hole blowing device for hole forming of soil nails in sand layer geology and soil nail wall supporting construction method |
CN112412340A (en) * | 2018-01-26 | 2021-02-26 | 中铁十二局集团建筑安装工程有限公司 | Sand layer geological soil nailing wall supporting construction method |
CN112412340B (en) * | 2018-01-26 | 2023-01-31 | 中铁十二局集团建筑安装工程有限公司 | Sand layer geological soil nailing wall supporting construction method |
CN108677966A (en) * | 2018-05-28 | 2018-10-19 | 郑林 | A kind of layer of sand air-blowing forming hole method |
CN110924984A (en) * | 2019-11-29 | 2020-03-27 | 北京中科中电电力工程管理有限公司 | Tunnel grouting equipment and process |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20170426 |
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CF01 | Termination of patent right due to non-payment of annual fee |