CN109162726A - A kind of correction tool heads and tool heads method for correcting error - Google Patents
A kind of correction tool heads and tool heads method for correcting error Download PDFInfo
- Publication number
- CN109162726A CN109162726A CN201810962815.6A CN201810962815A CN109162726A CN 109162726 A CN109162726 A CN 109162726A CN 201810962815 A CN201810962815 A CN 201810962815A CN 109162726 A CN109162726 A CN 109162726A
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- tool heads
- pressure water
- swinging frame
- water jet
- driving mechanism
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- 238000000034 method Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 238000002347 injection Methods 0.000 claims abstract description 18
- 239000007924 injection Substances 0.000 claims abstract description 18
- 238000012544 monitoring process Methods 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 40
- 239000007921 spray Substances 0.000 claims description 9
- 239000002002 slurry Substances 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000004570 mortar (masonry) Substances 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 claims 1
- 239000000243 solution Substances 0.000 abstract description 10
- 239000002689 soil Substances 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 5
- 238000011065 in-situ storage Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 230000006870 function Effects 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
- 238000009955 starching Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1066—Making by using boring or cutting machines with fluid jets
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Nozzles (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention belongs to jacking construction fields, existing tool heads are usually rectified a deviation in jack-in process, its a certain distance that needs to advance can just return to projected route, therefore instrumentation tubes are caused still to deviate scheduled circuit, for this problem, propose a kind of correction tool heads and tool heads method for correcting error, its technical solution is mainly: being circumferentially all provided with jet port in tool heads head position, the swingable High pressure water jet nozzle of setting and whitewashing mouth in jet port, swing angle is equal to 360 ° of quantity divided by jet port, when correction, automatic control system according to monitoring system detection to offset direction and offset come adjust High pressure water jet nozzle and whitewash mouth direction and the amount of injection, extra soil is cut by high-pressure water jet, the soil more cut due to deviation is supplemented by whitewashing, enable tool heads righting in situ, from And guarantee subsequent pipeline also along projected route jacking.
Description
Technical field
The present invention relates to jacking construction fields, more specifically, it relates to a kind of correction tool heads and tool heads correction
Method.
Background technique
Tool heads are also known as tool pipe, are the usually tubular structures at first by the part of jacking in jacking construction, at its end
Portion configure cutterhead to cut soil, for subsequent jacking work tube open circuit and lead the way.Since actual geological condition is more complicated,
Such as there is the stone for being difficult to cut in dirt bed, it will lead to tool heads and deviate predetermined pipeline, thus lead to subsequent instrumentation tubes
Also it and then deviates.In order to solve to deviate, setting deviates mechanism for monitoring and in head position along circle usually inside tool heads
Circumferential direction is evenly distributed with 4 correction oil cylinders, and correction oil cylinder makes corresponding stroke according to the offset direction and offset that monitor, simultaneously
Jacking oil cylinder pushing tool heads are advanced, and under the mutual cooperation of the two, after traveling a distance, tool heads will be returned to predetermined pipe
Line.But the pipeline of aforementioned this section of distance has been shift state, and can not be changed, even if thus tool heads return to predetermined pipe
On line, but the pipe of subsequent jacking will advance (as shown in Figure 1) along the path of offset, after the completion of final jacking construction,
Whole pipeline will appear of this sort sectional offset segment, without leading to construction quality along predetermined pipe installation
It is not high, problem needs are improved.
Summary of the invention
The object of the present invention is to provide a kind of correction tool heads of energy righting in situ, which can be at deviation post just
Ground returns to original position, so that the path for guaranteeing push pipe solves above-mentioned technical problem all along predetermined pipeline.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of correction tool heads, including
The offset monitoring system that is mounted on inside tool heads, uniformly distributed 4 or more run through work on the circumference of the head position of tool heads
Have the jet port of head tube wall, swing mechanism is set up in jet port, erection can use existing various ways, such as strut to fix
Deng.Swing mechanism includes the first swinging frame swung along tool heads circumferencial direction, and the first swinging frame is driven by the first driving mechanism
And swing angle is 360 ° of quantity divided by jet port, installation High pressure water jet nozzle and whitewashing mouth, described on the first swinging frame
High pressure water jet nozzle is connect by water pipe with high-pressure pumping system, and whitewashing mouth is connect by feed pipe for mortar with slurry system is sent, described
It deviates monitoring system, the first driving mechanism, high-pressure pumping system and slurry system is sent to connect with automatic control system.
Through the above technical solutions, High pressure water jet nozzle spray high-pressure water jet to cut extra soil,
And the soil mixing water cut forms mud and can be flowed into tool pipe along jet port, with High pressure water jet nozzle radial direction
Opposite whitewashing mouth injection mud then provides support force to the part supplement mud more cut for tool pipe, can be with by the support force
Playing squeezing action to the mud near High pressure water jet nozzle simultaneously keeps it mobile to High pressure water jet nozzle, to facilitate height
Water jet excision is pressed, so that the two cooperation achievees the effect that a kind of righting on the spot, so that returning to original in time after tool heads offset
Position；And the swing angle of the first swinging frame is exactly the spray regime of High pressure water jet nozzle and whitewashing mouth, passes through the first swinging frame
The setting of swing angle can make whole circumference that can be sprayed, to guarantee that the offset of any direction of tool heads can
Access correction.
Further, the swing mechanism further includes the second swinging frame along tool heads axial wobble, the second swinging frame with
First swinging frame is fixedly connected, and the second swinging frame is driven by the second driving mechanism, and second driving mechanism and automatic control are
System connection.
Through the above technical solutions, the second swinging frame axial wobble can be improved with the area and bearing area of expanded resection
Correction efficiency.
Further, first swinging frame is made of one piece of transverse slat of two side plates of two blocks of side plates and connection, two sides
Rotatable horizontal axis is set between plate, High pressure water jet nozzle and whitewashing mouth are fixed on horizontal axis, the first driving mechanism passes through branch
Support is fixed therein on side plate, and the first drive shaft is fixed with horizontal axis；One end of second swinging frame and the first swinging frame
Fixed, the other end is fixed with the second drive shaft, and the second drive shaft is driven by the second driving mechanism being fixed on jet port inner wall.
Through the above technical solutions, making entire swing mechanism compact-sized in this way, occupy little space, avoids making swing
At excessive interference.
Further, from the direction in pipe to outside pipe, the jet port includes the cylindrical section successively to connect and conical section,
The outer edge of conical section and the outer tube wall arc transition of tool heads.
Through the above technical solutions, the conical section shape and arc transition that extend out flow into jet port to the mud that cutting is formed
Play a guiding function.
Further, what is sprayed in the whitewashing mouth is the mixture of mud and mud curing agent.
Through the above technical solutions, said mixture can promote slurry curing, to provide bigger support to tool pipe
Power.
The present invention also provides a kind of method for correcting error using above-mentioned tool heads, specifically comprise the following steps:
Step 1: direction that monitoring system detection deviate to tool heads and displacement, are output to automatic control system, automatically control
System control jacking oil cylinder processed stops working；
Step 2, automatic control system drive the first driving mechanism in corresponding jet port to operate to turn according to offset direction
Dynamic first swinging frame makes the injection direction of whitewashing mouth consistent with offset direction, meanwhile, the jet port of driving therewith diametrically
The first interior driving mechanism, which is operated, makes the injection direction of High pressure water jet nozzle and offset direction phase to rotate the first swinging frame
Instead；
Step 3, after whitewashing mouth and High pressure water jet nozzle are in place, the first driving mechanism stops working, automatic control system root
According to offset, control whitewashing mouth and nozzle are whitewashed respectively and spray high-pressure water jet.
Through the above technical solutions, the available real-time offset information of step 1 is with timely in offset early period of origination energy
It is corrected, avoids that bigger deviation occurs, and automatic control system adjusts the side of whitewashing mouth according to offset direction in step 2
The part of extra cutting is supplemented to by realization, while automatic control system adjusts high-pressure water jet diametrically opposite therewith
The direction of nozzle cuts off realization to the part of few cutting, realizes the in place of two mouths by the position adjustment in step 2
Afterwards, the first driving mechanism is stopped working so that the position of two mouths keeps state adjusted constant, guarantees injection direction
Stablize, and the effect of righting can be guaranteed by controlling the amount of injection according to offset, avoid offset caused by excessively correcting.
It further, further include step 4 when having the second swinging frame, whitewashing mouth and high pressure water in actuation step two
The second driving mechanism operating where jet nozzle in jet port makes whitewash mouth and high-pressure water jet to rotate the second swinging frame
Nozzle is along axial wobble.
Through the above technical solutions, step 4 can further increase the area of injection, to increase excision and support
Working efficiency.
Further, in step 3, the speed of whitewashing is equal to the speed of high-pressure water jet cutting.
By using above-mentioned technical proposal, achieved the effect that side trimming mend, cut how much mend it is how many so that entirely rectifying a deviation
Journey is compact, improves the effect of righting.
Further, after the completion of correction, the High pressure water jet nozzle and whitewashing mouth are set back.
By using above-mentioned technical proposal, two nozzles can be made to return to original position, to facilitate rectify a deviation next time
It carries out.
In conclusion the invention has the following advantages:
1, it can adjust the direction of two nozzles alignment to realize the correction of any position offset, High pressure water jet nozzle and whitewashing mouth
Common cooperation cooperation achievees the effect that a kind of righting on the spot, so that returning to original position in time after tool heads offset, guarantees subsequent top
Pipe is according to projected route jacking；
2, it drives two nozzles to realize that axial injection can increase projected area by swinging frame, improves correction efficiency.
Detailed description of the invention
Fig. 1 is tool heads rectification work schematic illustration in the prior art；
Fig. 2 is the application tool heads overall structure diagram；
Fig. 3 is the portion A enlarged drawing in Fig. 2；
Fig. 4 is the application head structure front view；
Fig. 5 is the sectional view made in Fig. 4 along hatching B-B；
Fig. 6 is the portion C enlarged drawing in Fig. 5；
Fig. 7 is the application tool heads rectification work schematic illustration；
Fig. 8 is the portion the C enlarged drawing in another embodiment of the application.
In figure, 1, tool heads；2, jet port；21, cylindrical section；22, conical section；3, swing mechanism；31, the first swinging frame；
311, side plate；312, transverse slat；32, horizontal axis；4, High pressure water jet nozzle；5, whitewashing mouth；6, strut；7, feed pipe for mortar；8, water pipe；9,
First driving mechanism；91, the first drive shaft；10, support frame；11, the second swinging frame；12 second driving mechanisms；121, it second drives
Moving axis.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Following specific embodiments are only explanation of the invention, are not limitation of the present invention, art technology
Personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as
All by the protection of Patent Law in the scope of the claims invented below.
As shown in figures 2-6, tool heads 2 are tubular structure comprising be set to inside is used for what detection instrument head deviated
Monitoring system (not shown) is deviated, is evenly distributed with multiple jet ports 2 through tube wall along its circumferencial direction positioned at head position, this
Place is 4.Jet port 2 is from being followed successively by cylindrical section 21 and conical section 22, the outer edge of conical section 22 on the direction in pipe to outside pipe
By arc transition between pipe outer wall, the jet port formed in this way can play guiding function to mud, convenient for it along injection
Mouth flows into pipe.Set up swing mechanism 3 in jet port 2, swing mechanism 3 includes the first swinging frame 31, the first swinging frame 31 with
6 one end of strut is fixedly connected, and strut 6 is fixed on 2 inner wall of jet port.First drive shaft 91 is driven by the first driving mechanism 9, the
One driving mechanism 9 is fixed therein on one block of side plate by support frame 10.First swinging frame 31 includes two blocks of side plates 311 and one piece
Transverse slat 312, side plate 311 and transverse slat 312 surround the frame of an opening, and size and space can adjust according to the actual situation, with
Avoid interference with the swing of nozzle.The horizontal axis 32 that can be rotated on side plate is equipped between two side plates 311, horizontal axis 32 and first drive
The first drive shaft 91 on motivation structure 9 is fixed.High pressure water jet nozzle 4 and whitewashing mouth 5 are wholely set on horizontal axis 32, in order to make
Obtaining whole circumference can be covered by the spray regime of nozzle, therefore the swing angle of the first swinging frame 31 is equal to 360 ° divided by spray
The quantity of loophole；High pressure water jet nozzle 4 is connect by water pipe 8 with extraneous high-pressure pumping system (not shown), mouth 5 of whitewashing
Send slurry system (not shown) to connect with the external world by feed pipe for mortar 7, high-pressure water jet can soil crush excision, and crush
Soil and water are mixed into mud finally inside the pipe that jet port flows into tool heads, and what is sprayed in mouth 5 of whitewashing is mud and mud
Curing agent mixture can further improve the support force of mud, offset monitoring system, first drive by the way that mud curing agent is added
Motivation structure, high-pressure pumping system, the external world send slurry system all to connect (not shown) with automatic system, entangle automatically to realize
Partially.
Referring to attached drawing 7, may be implemented to rectify a deviation to tool heads according to above structure, specific steps include: Step 1: working as
Offset monitoring system monitoring shifts to tool heads 1, and shifted signal is transferred to automatic control system by monitoring system, automatic to control
System control jacking oil cylinder (not shown) processed stops working, so that tool heads 1 and all jacking pipelines all rest on current location；
Step 2: the shifted signal of monitoring system includes offset direction signal and offset signal, automatic control system is first according to partially
The whitewashing direction that direction signal judges the injection direction of High pressure water jet nozzle 4 corresponding with the direction and mouth 5 of whitewashing is moved,
Wherein, the soil crushing excision that high-pressure water jet needs being cut due to that should be cut originally caused by deviating, because
This its injection direction should be with offset direction on the contrary, and whitewashing is to carry out to the part that should not be cut and cut originally
Supplement is to provide support force to pipeline return, therefore its injection direction should be identical as offset direction, as shown in fig. 7, if work
Tool head 1 offset downward it is a certain amount of, then the upward a part of soil of tool heads is to be cut by high-pressure water jet, and be located at
The part of the more excisions of tool heads in downward direction is then supplemented by whitewashing；Also, for the effect for guaranteeing righting, cut off direction
It is arranged to mud support direction radially consistent, that is to say, that the spray of the injection direction and whitewashing mouth 5 of High pressure water jet nozzle 4
Penetrating direction is diametrically, to be based on this, and automatic control system controls the first driving mechanism 9 and the first swinging frame 31 is driven to swing to
Corresponding angle, so that the injection direction of two nozzles meets correction needs；Step 3: in High pressure water jet nozzle 4 and whitewashing
After mouth 5 is in place, automatic control system controls the amount of injection of High pressure water jet nozzle 4 and mouth 5 of whitewashing according to offset signal,
In, the speed of cutting is preferably identical as the speed of whitewashing, so that entire progress is compact, is further ensured that righting
Effect；In order to facilitate the progress of correction next time, after the completion of correction, automatic control system drives the first driving mechanism 9 by first
Swinging frame 31 sets back that High pressure water jet nozzle 4 and whitewashing mouth 5 is driven to set back.
As shown in figure 8, the technical solution place different from preceding solution is, the setting of strut 6 has been cancelled, has been increased
The second swinging frame 11 is added, the position of the second swinging frame 11 can be the position of original strut 6, be also possible to other positions, no
It is limited to this.Second swinging frame, 11 one end is fixedly connected with the transverse slat 312 of the first swinging frame 31, the other end and is fixed on jet port 2
Second drive shaft 121 of the second driving mechanism 12 on inner wall is fixed.The swing angle of second swinging frame 11 can be according to actual
Tool area of bed, the specific location of jet port and offset are calculated.The axis of first drive shaft 91 and the second drive shaft 121
Line is mutually perpendicular to, and by above-mentioned setting, realizes High pressure water jet nozzle 4 and whitewashing mouth 3 not only can circumferentially have been swung but also can be with
Along axial wobble.High pressure water jet nozzle when being rectified a deviation, on the basis of method for correcting error above-mentioned, in step 3
After 4 start injection with whitewashing mouth 5, automatic control system obtains swing angle according to offset and the second driving mechanism 12 is driven to transport
Turn, so that the second swinging frame 11 drives the first swinging frame 31 to swing along axial reciprocating, to realize High pressure water jet nozzle 4 and spray
The axial wobble for starching mouth 5, so improves correction efficiency.
Claims (9)
1. a kind of correction tool heads monitor system including being mounted on the offset inside tool heads, it is characterised in that: in tool heads
Uniformly distributed 4 or more the jet ports through tool heads tube wall on the circumference of head position, jet port is interior to set up swing mechanism, swings
Mechanism includes the first swinging frame swung along tool heads circumferencial direction, and the first swinging frame is driven by the first driving mechanism and angle of oscillation
Degree is 360 ° of quantity divided by jet port, installation High pressure water jet nozzle and whitewashing mouth, the high-pressure water shot on the first swinging frame
Flow nozzle is connect by water pipe with high-pressure pumping system, and whitewashing mouth is connect by feed pipe for mortar with slurry system is sent, the offset monitoring
System, the first driving mechanism, high-pressure pumping system and slurry system is sent to connect with automatic control system.
2. a kind of correction tool heads as described in claim 1, it is characterised in that: the swing mechanism further includes along tool heads axis
To the second swinging frame of swing, the second swinging frame is fixedly connected with the first swinging frame, and the second swinging frame is driven by the second driving mechanism
Dynamic, second driving mechanism is connect with automatic control system.
3. a kind of correction tool heads as claimed in claim 2, it is characterised in that: first swinging frame is by two blocks of side plates and company
One piece of transverse slat for connecing two side plates is constituted, and rotatable horizontal axis is arranged between two side plates, is fixed with high-pressure water jet on horizontal axis
Nozzle and whitewashing mouth, the first driving mechanism are fixed therein on side plate by support frame, and the first drive shaft is fixed with horizontal axis；Institute
The one end and the first swinging frame for stating the second swinging frame are fixed, and the other end is fixed with the second drive shaft, and the second drive shaft is by being fixed on
The second driving mechanism driving on jet port inner wall.
4. a kind of correction tool heads as described in any one of claims 1-3, it is characterised in that: the direction in from pipe to outside pipe
On, the jet port includes the cylindrical section successively to connect and conical section, the outer edge of conical section and the outer tube wall circular arc of tool heads
Transition.
5. a kind of correction tool heads as described in any one of claims 1-3, it is characterised in that: it is described whitewashing mouth in spray be
The mixture of mud and mud curing agent.
6. a kind of tool heads method for correcting error, it is characterised in that: correction tool heads as described in any one in claim 1-5 are used,
Specifically comprise the following steps:
Step 1: direction that monitoring system detection deviate to tool heads and displacement, are output to automatic control system, automatically control
System control jacking oil cylinder processed stops working；
Step 2, automatic control system drive the first driving mechanism in corresponding jet port to operate to turn according to offset direction
Dynamic first swinging frame makes the injection direction of whitewashing mouth consistent with offset direction, meanwhile, the jet port of driving therewith diametrically
The first interior driving mechanism, which is operated, makes the injection direction of High pressure water jet nozzle and offset direction phase to rotate the first swinging frame
Instead；
Step 3, after whitewashing mouth and High pressure water jet nozzle are in place, the first driving mechanism stops working, automatic control system root
According to offset, control whitewashing mouth and nozzle are whitewashed respectively and spray high-pressure water jet.
7. a kind of tool heads method for correcting error as claimed in claim 6, it is characterised in that: when having the second swinging frame, also wrap
Include step 4, the second driving mechanism operating where the whitewashing mouth and High pressure water jet nozzle in actuation step two in jet port with
Rotating the second swinging frame makes whitewashing mouth and High pressure water jet nozzle along axial wobble.
8. such as a kind of described in any item tool heads method for correcting error of claim 6-7, it is characterised in that: in step 3, whitewashing
Speed be equal to high-pressure water jet cutting speed.
9. such as a kind of described in any item tool heads method for correcting error of claim 6-8, it is characterised in that:, will after the completion of correction
The High pressure water jet nozzle and whitewashing mouth set back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810962815.6A CN109162726B (en) | 2018-08-22 | 2018-08-22 | Deviation correcting tool head and tool head deviation correcting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810962815.6A CN109162726B (en) | 2018-08-22 | 2018-08-22 | Deviation correcting tool head and tool head deviation correcting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109162726A true CN109162726A (en) | 2019-01-08 |
| CN109162726B CN109162726B (en) | 2020-01-03 |
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ID=64896288
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810962815.6A Active CN109162726B (en) | 2018-08-22 | 2018-08-22 | Deviation correcting tool head and tool head deviation correcting method |
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| Country | Link |
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| CN (1) | CN109162726B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109408A (en) * | 2021-11-23 | 2022-03-01 | 中铁隧道局集团有限公司 | Front-mounted shield tunneling attitude control system |
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| Publication number | Publication date |
|---|---|
| CN109162726B (en) | 2020-01-03 |
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