CN206129280U - High pressure jet formula shield constructs iron plate sand rapidly transacting device in quick -witted native storehouse - Google Patents
High pressure jet formula shield constructs iron plate sand rapidly transacting device in quick -witted native storehouse Download PDFInfo
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- CN206129280U CN206129280U CN201621181017.2U CN201621181017U CN206129280U CN 206129280 U CN206129280 U CN 206129280U CN 201621181017 U CN201621181017 U CN 201621181017U CN 206129280 U CN206129280 U CN 206129280U
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- drilling rod
- pressure rotary
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- bulkhead
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Abstract
The utility model provides a high pressure jet formula shield constructs iron plate sand rapidly transacting device in quick -witted native storehouse. Processing apparatus includes high pressure jet drilling rod, the sealed fixing device of bulkhead and loose flange dish, the bulkhead seals fixing device and is formed by ball valve connecting pipe, connection pipe head, sealed tube and the fixed union coupling of pressing in proper order, and the sealed fixing device of bulkhead passes through the ball valve connecting pipe and is connected with the quick -witted native bulkhead of shield structure reservation ball valve, be equipped with the stopping piece on the high pressure jet drilling rod, the drill bit of high pressure jet drilling rod passes behind the sealed fixing device's of bulkhead the body and to construct quick -witted native bulkhead from the shield and reserve the ball valve and insert in the shield constructs quick -witted native storehouse loose flange dish from the stopping piece rear of high pressure jet drilling rod tail end cover at the high pressure jet drilling rod to sealed fixing device is connected through first connection lead screw and bulkhead. The utility model has the advantages that the whole structure is simple single, construction convenience can avoid the safe risk of warehouse entry operation, have also shortened induration processing time in the storehouse, have reduced treatment cost simultaneously.
Description
Technical field
This utility model is related to the hardened processing meanss of dregs in shield machine soil storehouse, and specifically a kind of shield machine that is applied to is in richness
Water sand layer is tunneled, because stratum dehydration causes iron plate sand in the hardened high-pressure rotary-spray formula shield machine soil storehouse of native storehouse dregs quickly to process dress
Put, the processing meanss can be processed outside Tu Cang, reduce risk, reach the quick purpose for processing iron plate sand in storehouse.
Background technology
With the fast development in society and city, Underground Rail Transit is increasingly becomed alleviates the main of urban traffic pressure
Means, shield machine is played an important role as a kind of underground engineering construction machinery of modernization in subway construction.In shield
If shield machine shuts down length, or sediment improvement effect difference superpressure driving, stress recovery, gravity in the layer of original place in water-rich sand layer of constructing
The reasons such as sedimentation cause the hardened formation iron plate sand of layer of sand in shield body outside, face or native storehouse, and easily make shield machine stranded, show
Cannot start for cutterhead, recover thrust during propulsion and greatly, advance without speed etc..The iron plate sand that generally processes domestic at present takes off shield machine
Tired is an extremely difficult problem, and digging is manually brought down stocks and filled in barn repeatedly to existing conventional treatment method for stratum grouting and reinforcing
Storehouse, not only process time is long for existing method, and construction risk is big, cost is high, according to former similar engineering experience, processes together extremely
The time of one and a half months is needed less, while consuming substantial amounts of manpower and materials.
Therefore, studying one kind can process shield iron plate sand method under conditions of personnel not warehouse entry, and shield-tunneling construction will be produced
The great impact of life.
The content of the invention
The purpose of this utility model is to provide a kind of with low cost, principle and simply, efficiently quickly processes ferrum in shield soil storehouse
The device of plate sand or mud cake.
The technical scheme that this utility model is provided：Iron plate sand is quickly processed in a kind of high-pressure rotary-spray formula shield machine soil storehouse
Device, including high-pressure rotary-spray drilling rod, bulkhead sealed fixing device and drilling rod adjusting means, the front end of the high-pressure rotary-spray drilling rod sets
There is high-pressure rotary-spray drill bit, tail end is connected by churning pipe with high-pressure rotary jetting apparatus；The bulkhead sealed fixing device connects including ball valve
Adapter, connection tube head, seal pipe and fixed pressure pipe, described ball valve connecting tube one end is connected with the reserved ball valve of shield machine soil bulkhead,
The other end is connected by the first connection wire rod with the wherein one end for being connected tube head, connects the other end and sealing sealing of tube of tube head,
Fixed pressure pipe is inserted from the other end mouth of pipe of seal pipe and is fixedly connected with tube head is connected by the second connection wire rod after compressing；Institute
State drilling rod adjusting means to be made up of moving flange plate and the retreat stop block being arranged on high-pressure rotary-spray drilling rod, the high-pressure rotary-spray is bored
The drill bit of bar is sequentially passed through after fixed pressure pipe, seal pipe, connection tube head and ball valve connecting tube from the pre- drop pass of shield machine soil bulkhead
In valve insertion shield machine soil storehouse, moving flange plate is enclosed within the retreat stop block rear of high-pressure rotary-spray drilling rod from high-pressure rotary-spray drilling rod tail end,
And be connected with bulkhead sealed fixing device by the first connection wire rod, the moving flange plate after connection can be along the first connecting filament
Bar is moved forward and backward and adjusts the length that high-pressure rotary-spray drilling rod is stretched in shield machine soil storehouse；In seal pipe and the outer wall of high-pressure rotary-spray drilling rod
Between by sealed packing seal.
This utility model preferably technical scheme：It is provided with multiple screw holes with tube head linkage section is connected in ball valve connecting tube
The first terminal pad, be provided with multiple the second terminal pads with screw hole, and the diameter of the first terminal pad in the tail end of fixed pressure pipe
More than the diameter of the second terminal pad, it is correspondingly provided with and the first terminal pad and the second terminal pad shape size at the two ends of connection tube head
Identical and perforate identical terminal pad, offers screw hole corresponding with the first terminal pad on moving flange plate；The company
The terminal pad at the larger end of pipe joint is docked with the first terminal pad in ball valve connecting tube, wherein one end insertion of the first connection wire rod
Screw hole in two terminal pads of docking, two terminal pads are fixedly connected, the screw mandrel on other end insertion moving flange plate
Hole, and moving flange plate is connected with bulkhead sealed fixing device；One end of second connection wire rod is through connection tube head small end
Screw hole in terminal pad, the screw hole in the fixed pressure pipe of other end insertion in the second terminal pad, by fixed pressure pipe and connecting tube
Head connection.
This utility model preferably technical scheme：The retreat stop block is arranged on the tail end of high-pressure rotary-spray drilling rod.
This utility model preferably technical scheme：A diameter of 20-32mm of the high-pressure rotary-spray drilling rod, is by more piece drilling rod
Combine, its single-unit run of steel is 200-1000mm, the nozzle diameter on high-pressure rotary-spray drill bit is 1.5-1.8mm.
This utility model preferably technical scheme：The high-pressure rotary-spray drilling rod is fixed under external force along bulkhead sealing
180 ° of scopes of device are rotated back and forth.
This utility model preferably technical scheme：The tube length of the sealed fixing device be 200-300mm, seal disc
The body of rod 3-5 circles of root parcel high-pressure rotary-spray drilling rod.
This utility model preferably technical scheme：First connection wire rod and the second connection wire rod have 2-4 roots, along
The periphery of drilling rod is uniformly distributed.
This utility model preferably technical scheme：The churning serosity of the high-pressure rotary-spray drilling rod is using water or foam water, rotation
Power is sprayed in 25-30MPa, rotary speed 15-20r/min, fltting speed 10-15cm/min, serosity adopts foam water (water), makes
Drilling rod peripheral panels knot body is cut as far as possible loosely.
The beneficial effects of the utility model：
1. this utility model cuts induration using high-pressure rotary-spray principle, and handling principle is ripe, and fixing seal device is adopted
Scene processing, the special external processing of churning drilling rod, simple to operate, accessory is easy to process, low price；
2. the iron plate sand preparation plant that this utility model is adopted, working place inside shield machine, to shield machine itself and
Surrounding enviroment affect little, while excessive risk, the high cost of traditional warehouse entry operation is avoided, construction safety energy effective control；
3. using iron plate sand in this utility model process shield machine soil storehouse, more traditional warehouse entry excavated by manual work storehouse method, greatly
Fast processing speed, can be shortened to 7-10 days and be completed for more than one month by original processing method, effectively shorten place's science and engineering
Phase and cost, economic effect is obvious；
This utility model overall structure is simple, easy construction, and reusable, and cost is relatively low, and except interim high pressure is increased
Rotary jet grouting pump, the basic no consumption of other raw materials, this utility model energy effectively solving cannot in the case of the native storehouse of warehouse entry cleaning,
Periphery soil body principle is cut by high-pressure rotary-spray, loose hardened body realizes that cutterhead is got rid of poverty effect, can both avoid warehouse entry operation
Security risk, also shortens induration process time in storehouse, while reducing processing cost.
Description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is this utility model sealing device schematic diagram；
Fig. 3 is use state figure of the present utility model；
Fig. 4 is the sectional view of terminal pad.
In figure：1-high-pressure rotary-spray drilling rod, 2-ball valve connecting tube, 2-1-the first terminal pad, 3-connection tube head, 4-high
Pressure rotary-spraying drill bit, 4-1-nozzle, 5-churning pipe, 6-seal pipe, the reserved ball valve of 7-shield machine soil bulkhead, 8-fixed pressure pipe,
8-1-the second terminal pad, the 9-the first connection wire rod, the 10-the second connection wire rod, 11-moving flange plate, 12-shield machine soil
Storehouse, 12-1-shield machine soil bulkhead, 13-sealed packing, 14-retreat stop block, 15-screw hole.
Specific embodiment
This utility model is further illustrated below in conjunction with the accompanying drawings.As shown in figure 1, a kind of high-pressure rotary-spray formula shield machine Tu Cang
Interior iron plate sand quick treatment device, including high-pressure rotary-spray drilling rod 1, bulkhead sealed fixing device and drilling rod adjusting means, the height
Pressure rotary-spraying drilling rod is provided with high-pressure rotary-spray drill bit 4 according to shield machine soil bulkhead preformed hole size customization, front end, and drill bit symmetrically sets built-in
Twin-jet nozzle, nozzle diameter 1.5mm and 1.8mm, run of steel customizes 200-1000mm according to execute-in-place space, and churning is bored
Length 2-3 rice after bar spreading, external diameter 20-32mm often saves run of steel point 250mm, 300mm, 500mm, 1000mm, drilling rod
Material requires high pressure resistant (being more than 40MPa), and external diameter is in the same size, is connected using internal thread, and rear end is transformed into matches somebody with somebody with high-pressure rotary-spray pipe
The joint of set, and be connected with high-pressure rotary jetting apparatus by churning pipe 5；During the high-pressure rotary sprinkling, churning Stress control exists
25-30MPa, rotary speed 15-20r/min, fltting speed 10-15cm/min, serosity adopts foam water (water), makes drilling rod periphery
Hardened body cuts as far as possible loosely, so as to realize that cutterhead is got rid of poverty.
As shown in Fig. 2 the bulkhead sealed fixing device includes ball valve connecting tube 2, connection tube head 3, seal pipe 6 and fixes
Pressure pipe 8, the reserved ball valve 7 of described one end of ball valve connecting tube 2 and shield machine soil bulkhead is connected, the other end be connected tube head 3 wherein
End connection, the connection other end of tube head 3 is welded with seal pipe 6, and fixed pressure pipe 8 is inserted and compressed from the other end mouth of pipe of seal pipe 6
It is fixedly connected with tube head 3 is connected by the second connection wire rod 10 afterwards；Band is provided with ball valve connecting tube 2 with the linkage section of tube head 3 is connected
2-4 screw hole the first terminal pad 2-1 (as shown in figure 4, can directly using a diameter of 150mm mounting flange, equidistantly
It is provided with 2-4 screw hole), being provided with multiple the second terminal pads 8-1 with screw hole in the tail end of fixed pressure pipe 8 (can directly adopt
With the mounting flange of a diameter of 100mm, be equidistantly provided with 2-4 screw hole), the first terminal pad 2-1 with diameter greater than second connect
The diameter of flange 8-1, is correspondingly provided with and the first terminal pad 2-1 and the second terminal pad 8-1 shape size at the two ends of connection tube head 3
Identical and perforate identical terminal pad；The terminal pad at the larger end of the connection tube head 3 is connected with first in ball valve connecting tube 2
Disk 2-1 is docked, the screw hole in two terminal pads of wherein one end insertion docking of the first connection wire rod 9, by two terminal pads
It is fixedly connected；One end of second connection wire rod 10 is through the screw hole in the connection small end terminal pad of tube head 3, and other end insertion is solid
Screw hole on level pressure pipe 8 in second terminal pad 8-1, fixed pressure pipe 8 is connected with tube head 3 is connected.Revolve in seal pipe 6 and high pressure
Sealed by sealed packing 13 between the outer wall of spray drilling rod 1, sealed packing 13 is general to wind packing 3-5 circles on drilling rod, mainly
It is to starch in order to sealing stops, but has no effect on the rotation of drilling rod.
As shown in Fig. 2 the drilling rod adjusting means is by moving flange plate 11 and is arranged on the tail end of high-pressure rotary-spray drilling rod 1
Retreat stop block 14 is constituted, and as shown in figures 1 and 3, the drill bit of the high-pressure rotary-spray drilling rod 1 sequentially passes through fixed pressure pipe 8, seal pipe
6th, connect after tube head 3 and ball valve connecting tube 2 from the reserved insertion of the ball valve 7 shield machine soil storehouse 12 of shield machine soil bulkhead, loose flange
Disk 11 is enclosed within the rear of retreat stop block 14 of high-pressure rotary-spray drilling rod 1 from the tail end of high-pressure rotary-spray drilling rod 1, offers on moving flange plate 11
Screw hole corresponding with the first terminal pad 2-1, the screw mandrel on the other end insertion moving flange plate 11 of the first connection wire rod 9
Hole, and moving flange plate 11 is connected with bulkhead sealed fixing device, the moving flange plate 11 after connection can connect along first
The length that the movable regulation high-pressure rotary-spray drilling rod 1 of screw mandrel 9 is stretched in shield machine soil storehouse 12 is connect, the high-pressure rotary-spray after insertion is bored
Bar 1 can be rotated back and forth under external force along 180 ° of scopes of bulkhead sealed fixing device, realize 360 ° of churning cutting soils.
This utility model transform bulkhead preformed hole as ball valve connection, and external world's sealing pipeline is connected using flange, is examined
Consider sealing device and propulsion plant, bulkhead sealed fixing device each pipeline section is both needed to be customized according to live reality processing, mainly
In view of drilling rod and bulkhead hole and the supporting practicality of high-pressure rotary-spray pipe, wherein drill bit section installs symmetrical inner spray nozzle, periproct and height
Pressure rotary-spraying pipe is connect using silk.
Specific implementation method of the present utility model：
First, preparation
1st, high-pressure rotary-spray drilling rod is prefabricated：Investigation shield machine soil bulkhead preformed hole size (φ 50mm) is big according to reserving hole
Little processing high-pressure rotary-spray pipe, it is contemplated that sealing and working place, customizes different length churning drilling rod, and diameter is convenient in 25-32mm
Connection and dismounting.
2. only slurry sealing device is prefabricated：Because free space is less after bulkhead, in the case of construction is allowed, when processing prefabricated
Only slurry sealing device length is reduced as far as possible, and key fitment is steel pipe, flange, screw mandrel, screw, sealing ring etc., carries out site welding
Connect processing, it is ensured that firm and reliable connection.
3. other preparations：High-pressure rotary-spray pumping plant, mainly utilizes the big pump in high-pressure rotary jetting apparatus backstage, rents in advance to scene and does
Preparation is debugged well, native bulkhead ball valve is not opened because of long-time and there may be clogging, should in advance carry out clear and coherent convenient brill
Bar inserts Tu Cang.
2nd, iron plate sand preparation plant system is installed
1. the installation of pipeline is sealed
(1) the supporting sealing sleeve pipe of preprepared is connected firmly with the reserved ball valve 7 of shield machine soil bulkhead, according still further to close
Seal apparatus trocar sheath is simultaneously fixed；
(2) high-pressure rotary-spray drilling rod 1 is inserted in sealing sleeve pipe, up to 3-5 is wound on the outside of drilling rod during ball valve position packing is enclosed,
With fixed pressure pipe 8 by between the indentation sealing pipe 6 of sealed packing 13 and drilling rod, and will fixed pressure pipe 8 by the second connection wire rod 10
With the fixation of seal pipe 6.
2. propulsion system is installed：, to preseting length, first artificial friction jewel bar is to outside native bulkhead for spreading high-pressure rotary-spray drilling rod 1
Side, then by the first connection wire rod 9 be inserted in propulsion moving flange plate 11 fix；The high pressure pump system pipeline debugged is accessed high
Pressure rotary-spraying drilling rod, pipeline connection is completed.
3rd, iron plate sand in storehouse is processed
After the completion of all preparations, high pressure jet grouting pump is opened, the foam water for having configured is injected by pipeline
In native storehouse, injection pressure is carried out in two steps.First step injection pressure is set in 10-15MPa examination sprays, and slowly rotary drill rod, fixed
And sealing device is normal, then carry out next step operation；Second step, pressure is adjusted to operating pressure 28MPa, and manually rotates churning brill
Bar, rotation (180 ° of scopes are rotated back and forth) speed is 20r/min, while adjust propulsion plant nut is slowly pressed into soil by churning bar
Storehouse is anterior, and sand is consolidated around cutting drilling rod, and fltting speed is controlled in 10-12cm/min.To reply spray, each preformed hole injection
Time 20-30min, makes the cut coverage increase as far as possible of drilling rod periphery, and fully breaks up consolidation sand.
According to aforesaid operations, after completing a hole position churning, other hole position churnings are changed, until all hole positions have been processed
Into, while processed hole position can be opened, detected with drill rod, check whether the hole position periphery soil body is loose.All hole positions have been processed
Cheng Hou, by rotating cutter-head repeatedly, realizes that cutterhead is got rid of poverty and shield machine is got rid of poverty, can open if necessary shield machine get rid of poverty pattern take off
It is tired.
Claims (8)
1. iron plate sand quick treatment device in a kind of high-pressure rotary-spray formula shield machine soil storehouse, it is characterised in that：Bore including high-pressure rotary-spray
Bar (1), bulkhead sealed fixing device and drilling rod adjusting means, the front end of the high-pressure rotary-spray drilling rod (1) is provided with high-pressure rotary-spray brill
Head (4), tail end is connected by churning pipe (5) with high-pressure rotary jetting apparatus；The bulkhead sealed fixing device includes ball valve connecting tube
(2) tube head (3), seal pipe (6) and fixed pressure pipe (8), are connected, described ball valve connecting tube (2) one end is pre- with shield machine soil bulkhead
Drop pass valve (7) connects, and the other end is connected by the first connection wire rod (9) with the wherein one end for being connected tube head (3), connects tube head
(3) the other end is welded with seal pipe (6), and fixed pressure pipe (8) is inserted from the other end mouth of pipe of seal pipe (6) and passed through after compressing
Second connection wire rod (10) is fixedly connected with tube head (3) is connected；The drilling rod adjusting means is by moving flange plate (11) and sets
Retreat stop block (14) composition on high-pressure rotary-spray drilling rod (1) is put, the drill bit of the high-pressure rotary-spray drilling rod (1) sequentially passes through fixation
From reserved ball valve (7) the insertion shield of shield machine soil bulkhead after pressure pipe (8), seal pipe (6), connection tube head (3) and ball valve connecting tube (2)
In structure machine Tu Cang (12), moving flange plate (11) is enclosed within the retreat stop block of high-pressure rotary-spray drilling rod (1) from high-pressure rotary-spray drilling rod (1) tail end
(14) rear, and be connected with bulkhead sealed fixing device by the first connection wire rod (9), the moving flange plate (11) after connection can
To stretch into the length in shield machine Tu Cang (12) along the movable regulation high-pressure rotary-spray drilling rod (1) of the first connection wire rod (9)；
Sealed by sealed packing (13) between the outer wall of seal pipe (6) and high-pressure rotary-spray drilling rod (1).
2. iron plate sand quick treatment device in a kind of high-pressure rotary-spray formula shield machine soil storehouse according to claim 1, its feature
It is：The first terminal pad (2-1) with multiple screw holes is provided with tube head (3) linkage section is connected in ball valve connecting tube (2), solid
The tail end of level pressure pipe (8) is provided with multiple the second terminal pads (8-1) with screw hole, and the first terminal pad (2-1) with diameter greater than
The diameter of the second terminal pad (8-1), is correspondingly provided with the two ends of connection tube head (3) and is connected with the first terminal pad (2-1) and second
Disk (8-1) shape size is identical and perforate identical terminal pad, offers on moving flange plate (11) and the first terminal pad
(2-1) corresponding screw hole on；The terminal pad for connecting the larger end of tube head (3) is connected with first in ball valve connecting tube (2)
Disk (2-1) is docked, the screw hole in two terminal pads of wherein one end insertion docking of the first connection wire rod (9), by two companies
Flange is fixedly connected, the screw hole on other end insertion moving flange plate (11), and moving flange plate (11) and bulkhead are sealed
Fixing device connects；One end of second connection wire rod (10) is another through the screw hole in connection tube head (3) small end terminal pad
Screw hole on the fixed pressure pipe (8) of end insertion in the second terminal pad (8-1), fixed pressure pipe (8) is connected with tube head (3) is connected.
3. iron plate sand quick treatment device in a kind of high-pressure rotary-spray formula shield machine soil storehouse according to claim 1 and 2, it is special
Levy and be：The retreat stop block (14) is arranged on the tail end of high-pressure rotary-spray drilling rod (1).
4. iron plate sand quick treatment device in a kind of high-pressure rotary-spray formula shield machine soil storehouse according to claim 1 and 2, it is special
Levy and be：A diameter of 20-32mm of the high-pressure rotary-spray drilling rod (1), is combined by more piece drilling rod, its single-unit run of steel
For 200-1000mm, nozzle (4-1) bore on high-pressure rotary-spray drill bit (4) is 1.5-1.8mm.
5. iron plate sand quick treatment device in a kind of high-pressure rotary-spray formula shield machine soil storehouse according to claim 1 and 2, it is special
Levy and be：The high-pressure rotary-spray drilling rod (1) rotates back and forth under external force along 180 ° of scopes of bulkhead sealed fixing device.
6. iron plate sand quick treatment device in a kind of high-pressure rotary-spray formula shield machine soil storehouse according to claim 1 and 2, it is special
Levy and be：The tube length of the sealed fixing device is 200-300mm, and sealed packing (13) wraps up high-pressure rotary-spray drilling rod (1)
The body of rod 3-5 circle.
7. iron plate sand quick treatment device in a kind of high-pressure rotary-spray formula shield machine soil storehouse according to claim 1 and 2, it is special
Levy and be：First connection wire rod (9) and the second connection wire rod (10) have 2-4 roots, and the periphery along drilling rod is uniformly distributed.
8. iron plate sand quick treatment device in a kind of high-pressure rotary-spray formula shield machine soil storehouse according to claim 1 and 2, it is special
Levy and be：, using water or foam water, churning pressure is in 25-30MPa for the churning serosity of the high-pressure rotary-spray drilling rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621181017.2U CN206129280U (en) | 2016-10-25 | 2016-10-25 | High pressure jet formula shield constructs iron plate sand rapidly transacting device in quick -witted native storehouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621181017.2U CN206129280U (en) | 2016-10-25 | 2016-10-25 | High pressure jet formula shield constructs iron plate sand rapidly transacting device in quick -witted native storehouse |
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| Publication Number | Publication Date |
|---|---|
| CN206129280U true CN206129280U (en) | 2017-04-26 |
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ID=58576883
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621181017.2U Active CN206129280U (en) | 2016-10-25 | 2016-10-25 | High pressure jet formula shield constructs iron plate sand rapidly transacting device in quick -witted native storehouse |
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| CN (1) | CN206129280U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191194A (en) * | 2017-07-12 | 2017-09-22 | 中船重工（青岛）轨道交通装备有限公司 | Shield machine Tu Cang mud cake detection and remove device |
| CN115434306A (en) * | 2022-09-28 | 2022-12-06 | 山西冶金岩土工程勘察有限公司 | High-rotation jet grouting pile construction process |
-
2016
- 2016-10-25 CN CN201621181017.2U patent/CN206129280U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191194A (en) * | 2017-07-12 | 2017-09-22 | 中船重工（青岛）轨道交通装备有限公司 | Shield machine Tu Cang mud cake detection and remove device |
| CN115434306A (en) * | 2022-09-28 | 2022-12-06 | 山西冶金岩土工程勘察有限公司 | High-rotation jet grouting pile construction process |
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