CN109025803A - A kind of static pressure grouting construction method before jacking construction - Google Patents
A kind of static pressure grouting construction method before jacking construction Download PDFInfo
- Publication number
- CN109025803A CN109025803A CN201811161198.6A CN201811161198A CN109025803A CN 109025803 A CN109025803 A CN 109025803A CN 201811161198 A CN201811161198 A CN 201811161198A CN 109025803 A CN109025803 A CN 109025803A
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- China
- Prior art keywords
- dust cover
- depositing dust
- static pressure
- cover
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010276 construction Methods 0.000 title claims abstract description 38
- 230000003068 static effect Effects 0.000 title claims abstract description 23
- 239000000428 dust Substances 0.000 claims abstract description 166
- 238000000151 deposition Methods 0.000 claims abstract description 109
- 238000005553 drilling Methods 0.000 claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000005507 spraying Methods 0.000 claims abstract description 30
- 239000003595 mist Substances 0.000 claims abstract description 6
- 238000004062 sedimentation Methods 0.000 claims abstract description 5
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 claims abstract description 3
- 238000005452 bending Methods 0.000 claims description 4
- 238000007569 slipcasting Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 241000883990 Flabellum Species 0.000 description 19
- 239000002245 particle Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000010410 dusting Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 241001075561 Fioria Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
- E21B21/015—Means engaging the bore entrance, e.g. hoods for collecting dust
-
- 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
- E21D9/001—Improving soil or rock, e.g. by freezing; Injections
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses the static pressure grouting construction methods before a kind of jacking construction, carry out static pressure grouting after drilling again；Before drilling, the down-the-hole drill such as flowering structure, including balladeur train and slide plate are first obtained, rotating assembly and drilling rod are installed on slide plate；The lower end of balladeur train is equipped with guide holder；Up-small and down-big tapered depositing dust cover is installed, the top of depositing dust cover has the first through hole passed through for drilling rod on guide holder；Spraying device is installed, spraying device is located at the top of depositing dust cover, and is arranged along obliquely downward towards the middle part of depositing dust cover on the inner wall of depositing dust cover；Also there is the water inlet being connected to spraying device, water inlet is connected with water supply pump in depositing dust cover；It when drilling, is supplied water by water supply pump to spraying device, dust and water mist in depositing dust cover is made to contact sedimentation.The present invention has drilling operation easy, effectively dust can be inhibited to spread, and fugitive dust is small, is conducive to the advantages that improving operating environment.
Description
Technical field
The present invention relates to static pressure grouting technical field of construction, construct in particular to the static pressure grouting before a kind of jacking construction
Method.
Background technique
Down-the-hole drill is impact rotating churn, and impactor slips into hole when rock drilling, by air distributing device (valve), makes to impact
Piston (hammer body) in device moves back and forth strike bit shank, so that drill bit device to hole bed rock stone generates impact.Height of the impactor in hole
Speed revolution, then be by individual swing mechanism, i.e., by hole outside motor or Wind driven rotary device, by connecing in impactor rear end
Drilling rod realize.The rock powder generated when rock drilling is easily discharged out of the hole by the flushing of geomantic omen mixed gas, and mixed gas is by mill exhauster
Structure injects impactor through drilling rod center, then through the air drain access aperture bottom on impactor cylinder body.
In our jacking constructions, the husky class soil easily to collapse part is encountered, in order to ensure the safety of construction, it is necessary to right
Husky class soil is consolidated, and the mode used is static pressure grouting.It needs to use down-the-hole drill pilot hole before static pressure grouting construction, then be put into
Grouting tube.In down-the-hole drill work progress, native slag can be sprayed with drilling rod, very big on surrounding enviroment influence, be unfavorable for pacifying
Bright construction in full.It is then to be directed at drilling rod position depositing dust with fog gun machine, but effect is not from the point of view of practice of construction during traditional construction
It is good.
Summary of the invention
In view of the above shortcomings of the prior art, the technical problems to be solved by the present invention are: how to provide a kind of drilling behaviour
Make simplicity, effectively dust can be inhibited to spread, fugitive dust is small, is conducive to improve the static pressure grouting before the jacking construction of operating environment and applies
Work method.
In order to solve the above-mentioned technical problem, present invention employs the following technical solutions:
A kind of static pressure grouting construction method before jacking construction, includes the following steps: that first treating slip casting position measures label,
Then it is drilled with down-the-hole drill in mark position, carries out static pressure grouting after drilling again；It is characterized in that, first being obtained before drilling
The down-the-hole drill such as flowering structure is taken, including balladeur train and the slide plate being slidably mounted on balladeur train, is equipped with back on the slide plate
Turn assembly, and is mounted on the drilling rod of the rotating assembly output end；The lower end of the balladeur train is vertically installed with guide holder, described
There is the pilot hole being coaxially disposed with the rotating assembly, the drilling rod passes through the pilot hole on guide holder；The guide holder
On up-small and down-big tapered depositing dust cover is installed, the top of the depositing dust cover has the first through hole passed through for drilling rod；It is described
Spraying device is installed, the spraying device is located at the top of the depositing dust cover, and along obliquely downward direction on the inner wall of depositing dust cover
The middle part of the depositing dust cover is arranged；Also there is the water inlet being connected to the spraying device, the water inlet in the depositing dust cover
It is connected with water supply pump；It when drilling, is supplied water by water supply pump to spraying device, contacts dust and water mist in depositing dust cover heavy
Drop.
By installing depositing dust cover on the guide holder of balladeur train lower end, the dust overflowed when constructing can tentatively be hidden
Cover, avoid dust loss, meanwhile, using depositing dust cover inner wall be arranged spraying device be sprayed, it will be able to make dust particle and
Misty particle water combines, and promotes dust sedimentation, thus effective depositing dust.Above structure is simple, easy for operation, can effectively subtract
Few dust diffusion, reduces fugitive dust, is conducive to improve operating environment.
Further, also there is the filter being arranged perpendicular to axis direction, the middle part tool of the filter in the depositing dust cover
There is the second through-hole passed through for drilling rod；The filter is located at the lower part of the depositing dust cover.
In this way, can prevent sandstone from hitting depositing dust cover and spraying device with the biggish sandstone of blocking part gradation diameter by filter,
Be conducive to improve the service life of dust cover and spraying device.In addition, big partial size sandstone itself can settle, after being obstructed,
So that spraying device only carries out atomizing de-dusting to the particle dust for being easy to loss, it can not only improve dust-laying effect, but also be conducive to save
Save depositing dust water.
Further, the filter include with the consistent frame of the internal via shape of the depositing dust cover, and be mounted on frame
On net；Circumferentially there are multiple buckles for being used to fix the frame in the depositing dust cover, the depositing dust cover is located at described
The sectional dimension of snapped-in position is consistent with the size of the frame；The frame is removably connected on the buckle.
Since the intensity of filter is relatively low, and the shock by big partial size sandstone for a long time, so that filter spoilage is opposite
Higher, it needs to be replaced regularly.In above structure, filter is removably mounted in depositing dust cover by buckling, convenient for every
The fast assembling-disassembling of net, it is easy to repair also to replace.
Further, the upper end of the buckle is connected on the inner wall of the depositing dust cover, and lower end is interior with the depositing dust cover
Form bayonet between wall, the middle part of the buckle is towards the clamping being formed by bending in the dust cover for accommodating the frame
Portion.
In this way, filter need to only be pushed up to the clamping portion that the frame of filter can be caught in buckle from the bottom of dust cover
Interior, when disassembly, the axis along dust cover pulls down frame, so that it may filter is dismantled, it is convenient for disassembly and assembly.
Further, the aperture of the filter is 4 ~ 8mm.
In this way, biggish aperture can not only obstruct the sandstone of greater particle size, but also it can guarantee that particle dust can be more suitable
Freely by escaping on filter, atomizing de-dusting is carried out convenient for spraying device.
Further, the depositing dust cover includes symmetrically arranged left cover and right cover, the left cover and right cover
Opposite side all has the flange for extending radially outward and being formed, and has bolt hole, the left cover and right cover on the flange
Bolt by passing through the bolt hole on flange is fixedly connected.
In this way, being not necessarily to dismounting drilling rod, so that it may left cover and right cover split are mounted on the outside of drilling rod, it is convenient for disassembly and assembly fast
It is prompt.
Further, the filter includes symmetrically arranged left filter and right filter.
In this way, left filter and right filter can be respectively engaged in left cover and right cover, by left cover and right cover
When split is mounted on the outside of drilling rod, left filter and right filter with regard to split in whole filter so that dismounting is more convenient.
Further, the depositing dust cover is located at the lower section of the guide holder, is provided through multiple edges on the guide holder
Bolt hole circumferentially, the top of the depositing dust cover have multiple threaded holes being correspondingly arranged with the bolt hole, the drop
Dust hood is bolted on the guide holder.
Further, the spraying device is multiple along circumferentially having for the depositing dust cover.
In this way, carrying out depositing dust to particle dust from all directions, be conducive to the effect for improving depositing dust.
Further, the lower section of the depositing dust cover also has the mounting plate perpendicular to axis setting, and the mounting plate passes through
Supporting rib circumferentially is fixedly connected with the depositing dust cover, and the middle part of the mounting plate has the resigning passed through for drilling rod
Hole；Multiple bolts hole circumferentially are provided through on the guide holder, the bottom of the mounting plate has multiple and institute
The threaded hole that bolt hole is correspondingly arranged is stated, the depositing dust cover is fixedly mounted on the guide holder by the bolt across the bolt hole
Top.
When carrying out boring positioning, inevitable balladeur train is struck because of misoperation on ground, using the above structure, passes through drop
Depositing dust cover is mounted on the top of guide holder by the mounting plate below dust hood, so that guide holder is always positioned at the bottom of balladeur train, from
And the service life for improving depositing dust cover can be conducive to avoid depositing dust cover and collision on the ground.
In conclusion the present invention has drilling operation easy, effectively dust can be inhibited to spread, fugitive dust is small, is conducive to change
The advantages that kind operating environment.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of depositing dust down-the-hole drill.
Fig. 2 is a kind of half section structure diagram of depositing dust cover.
Fig. 3 is another half section structure diagram of depositing dust cover.
Fig. 4 is the structural schematic diagram of the tip-lever support and push rod component part in Fig. 2 and Fig. 3.
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail.
When specific implementation: as depicted in figs. 1 and 2, a kind of depositing dust down-the-hole drill, including balladeur train 11 and be slidably mounted in
Slide plate 12 on balladeur train is equipped with rotating assembly 13 on the slide plate 12, and is mounted on 13 output end of rotating assembly
Drilling rod 15；The lower end of the balladeur train 11 is vertically installed with guide holder 14, has and the rotating assembly 13 on the guide holder 14
The pilot hole of coaxial arrangement, the drilling rod 15 pass through the pilot hole；It is equipped on the guide holder 14 up-small and down-big tapered
Depositing dust cover 2, the top of the depositing dust cover 2 has the first through hole passed through for drilling rod；It is equipped on the inner wall of the depositing dust cover 2
Spraying device 21, the spraying device 21 are located at the top of the depositing dust cover 2, and along obliquely downward towards in the depositing dust cover 2
Portion's setting；Also there is the water inlet being connected to the spraying device 21, the water inlet is connected with water supply in the depositing dust cover 2
Pump.
It using the above structure, can be to the dirt overflowed when constructing by installing depositing dust cover on the guide holder of balladeur train lower end
Soil carries out preliminary mask, avoids dust loss, meanwhile, it is sprayed using the spraying device that depositing dust cover inner wall is arranged, it will be able to
Make dust particle in conjunction with misty particle water, promotes dust sedimentation, thus effective depositing dust.Above structure is simple, the side of operating with
Just, dust diffusion can be effectively reduced, fugitive dust is reduced, is conducive to improve operating environment.
When implementation, also there is the filter 22 being arranged perpendicular to axis direction, the middle part of the filter 22 in the depositing dust cover 2
With the second through-hole passed through for drilling rod；The filter 22 is located at the lower part of the depositing dust cover 2.
In this way, can prevent sandstone from hitting depositing dust cover and spraying device with the biggish sandstone of blocking part gradation diameter by filter,
Be conducive to improve the service life of dust cover and spraying device.In addition, big partial size sandstone itself can settle, after being obstructed,
So that spraying device only carries out atomizing de-dusting to the particle dust for being easy to loss, it can not only improve dust-laying effect, but also be conducive to save
Save depositing dust water.
When implementation, the filter 22 includes the consistent frame of internal via shape with the depositing dust cover 22, and is mounted on side
Net on frame；Circumferentially have in the depositing dust cover 22 multiple for fixing the buckle of the frame, the depositing dust cover 22
It is consistent with the size of the frame in the sectional dimension of the snapped-in position；The frame is removably connected to the buckle
On.
Since the intensity of filter is relatively low, and the shock by big partial size sandstone for a long time, so that filter spoilage is opposite
Higher, it needs to be replaced regularly.In above structure, filter is removably mounted in depositing dust cover by buckling, convenient for every
The fast assembling-disassembling of net, it is easy to repair also to replace.
When implementation, the depositing dust cover 2 includes symmetrically arranged left cover and right cover, the phase of the left cover and right cover
Opposite side all has the flange for extending radially outward and being formed, and has bolt hole on the flange, and the left cover and right cover are logical
The bolt for the bolt hole crossed on flange is fixedly connected.
In this way, being not necessarily to dismounting drilling rod, so that it may left cover and right cover split are mounted on the outside of drilling rod, it is convenient for disassembly and assembly fast
It is prompt.
When implementation, the filter 22 includes symmetrically arranged left filter and right filter.
In this way, left filter and right filter can be respectively engaged in left cover and right cover, by left cover and right cover
When split is mounted on the outside of drilling rod, left filter and right filter with regard to split in whole filter so that dismounting is more convenient.
When it is implemented, the buckle is whole U-shaped, and it is open and is arranged towards the middle part of the depositing dust cover；The buckle
Bottom the clamping portion for accommodating the frame is formed by bending to two sides in the width direction.
When it is implemented, the buckle can also be that upper end is connected on the inner wall of the depositing dust cover 2, lower end and the drop
Form bayonet between the inner wall of dust hood 2, the middle part of the buckle is towards being formed by bending for accommodating the side in the dust cover 2
The clamping portion of frame.In this way, filter need to only be pushed up to the card that the frame of filter can be caught in buckle from the bottom of dust cover
In socket part, when disassembly, the axis along dust cover pulls down frame, so that it may filter is dismantled, it is convenient for disassembly and assembly.
When implementation, the aperture of the filter 22 is 4 ~ 8mm.
In this way, biggish aperture can not only obstruct the sandstone of greater particle size, but also it can guarantee that particle dust can be more suitable
Freely by escaping on filter, atomizing de-dusting is carried out convenient for spraying device.
When implementation, the lower section of the depositing dust cover 2 also has the mounting plate 23 perpendicular to axis setting, and the mounting plate 23 wraps
Include symmetrically arranged left mounting plate and right mounting plate；The mounting plate 23 passes through supporting rib 24 and the depositing dust circumferentially
Cover 2 is fixedly connected, and the middle part of the mounting plate 23 has the relief hole passed through for drilling rod；It is provided through on the guide holder 14
Multiple bolts hole circumferentially, with multiple threaded holes being correspondingly arranged with the bolt hole, institute on the mounting plate 23
It states depositing dust cover 2 and is fixedly mounted on 14 top of guide holder by passing through the bolt of the bolt hole on the guide holder.
When carrying out boring positioning, inevitable balladeur train is struck because of misoperation on ground, using the above structure, passes through drop
Depositing dust cover is mounted on the top of guide holder by the mounting plate below dust hood, so that guide holder is always positioned at the bottom of balladeur train, from
And the service life for improving depositing dust cover can be conducive to avoid depositing dust cover and collision on the ground.
When implementation, the spraying device 21 is multiple along circumferentially having for the depositing dust cover 2.
In this way, carrying out depositing dust to particle dust from all directions, be conducive to the effect for improving depositing dust.When it is implemented, institute
Stating spraying device is atomizer.
When it is implemented, the depositing dust cover of structure as shown in Figure 3 can also be used, the depositing dust cover 2 is located at the guide holder
14 lower section, multiple bolts hole circumferentially are provided through on the guide holder, and the top of the depositing dust cover has more
A threaded hole being correspondingly arranged with the bolt hole, the depositing dust cover are bolted on the guide holder.
When implementation, it is additionally provided with dust exhausting hole in the upper cover of the depositing dust cover 2, and the dust discharge being connected on dust exhausting hole
Pipe 25, the dust flue 25 are bent downwardly setting far from the dust-exhausting port of described 2 one end of depositing dust cover；It is also set up in the depositing dust cover 2
There is suction unit 3, be able to enter the dust in dust cover 2 in the dust flue 25, and is settled from dust-exhausting port.
Using the above structure, using the suction unit in depositing dust cover the dust of evolution is preferably entered in depositing dust cover
Portion avoids interstitial diffusion of the dust between depositing dust cover and ground, improves dust collecting effect.Meanwhile it can be incited somebody to action using suction unit
The dust that part is contacted with water mist is sent into dust flue, and during curved along dust flue, sufficiently in conjunction with water mist, is increased
Specific gravity settles it smoothly from dust-exhausting port.
When implementation, the suction unit 3 is coaxially mounted in the depositing dust cover 2, and middle part has the hole passed through for drilling rod；
The suction unit 3 includes the frame body 31 that is integrally in the form of a column and flabellum 32 in a ring, and one end of the frame body 31 is fixedly connected
In the depositing dust cover 2, the other end is equipped with the flabellum 32 by bearing, is equipped in the inner ring of the flabellum 32 for embracing
The hold-fast body 4 of tight drilling rod, enables the flabellum 32 to rotate with drilling rod.
Using the above structure, frame body and flabellum are co-axially located in depositing dust cover, and drilling rod is made coaxially to pass through frame body and fan
Leaf, recycles hold-fast body and drilling rod in flabellum inner ring to hold tightly, drives flabellum to rotate together using the rotation of drilling rod, so that it may
Realize the suction to evolution dust.The smart structural design makes full use of the characteristic of drilling rod own rotation, without providing additionally
Driving device can make flabellum rotation realize suction.
As shown in figure 4, the hold-fast body 4 includes the tip-lever support being uniformly arranged along the circumferential direction of the flabellum 32 when implementing
41, and the push rod component 42 being arranged on the tip-lever support 41 is slidably extended through along the radial direction of the flabellum 32；The top
It is additionally provided with spring 43 between bar assembly 42 and the tip-lever support 41, makes the push rod component 42 towards the axle center of the flabellum 32
Direction is mobile.
In this way, under spring force along the circumferentially uniformly distributed mandril of flabellum, being compressed tightly against on drilling rod, with drilling rod
Rotation drives flabellum to rotate together.
When implementation, the push rod component 42 includes two mandrils being arranged radially along the flabellum 32, two tops
The one end in bar towards the flabellum axle center is connected with shaft, and idler wheel 45 is rotatably mounted in the shaft；The mandril
The other end passes through the tip-lever support 41, and is provided with receiving part；The spring 43 is the helical spring being sleeved on the mandril；
The axis of the idler wheel 45 perpendicular to the flabellum axis direction, and in middle part has and is gradually recessed by inward at both ends and formed
Recess portion, the inner fovea part is in the radial direction to be projected as arc-shaped, and its radius is consistent with the radius of drilling rod, makes the idler wheel 45
Inner fovea part can be fitted in the surface of drilling rod.
In this way, can use the rotation of idler wheel while guarantee idler wheel is bonded with drilling rod rotates flabellum, guarantee drilling rod
It can smoothly move up and down.
When implementation, the inner fovea part of the idler wheel 45 is evenly equipped with the fin of multiple circular ring shapes, the height of the fin along axial direction
For 0.5 ~ 1mm.
In this way, the frictional force between idler wheel and drilling rod in circumferential direction can be increased.
When implementation, the side of the tip-lever support 41 towards the flabellum axis direction is additionally provided with top plate 44, the top plate
44 both ends have the hole passed through for the mandril；One end of the spring 43 towards the tip-lever support 41 is connected to the top plate
On 44；The middle part of the tip-lever support 41 has the threaded hole towards the top plate 44 through setting, be equipped on the threaded hole to
Connect the adjusting bolt on the top plate 44.
Using the above structure, top plate compressed spring, the original pressure level of adjustment spring can be pressed by adjusting bolt.
When implementation, the one end in the push rod component 42 towards the flabellum axle center tilts 15 ~ 30 degree of settings upwards.
Drilling rod is passed down through depositing dust cover from top when due to assembly, using the above structure, when so that drilling rod passing through, to mandril
The downward active force of component can decompose in the axial direction of push rod component, make push rod component and spring retraction, pass through convenient for drilling rod.
When implementation, end where the dust-exhausting port of the dust flue 25 is the taper of reduced diameter.
In this way, part is enabled also to touch water to more maximum probability when by dust-exhausting port not in contact with the dust of water mist
Mist is conducive to improve dust-laying effect.
It when construction, first treats slip casting position and measures label, then drilled with down-the-hole drill in mark position, bored
It during hole, is supplied water by water supply pump to spraying device, so that dust and water mist in depositing dust cover is contacted sedimentation, drilling terminates
After carry out static pressure grouting.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not limitation with the present invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. the static pressure grouting construction method before a kind of jacking construction includes the following steps: that first treating slip casting position measures mark
Note, is then drilled in mark position with down-the-hole drill, carries out static pressure grouting after drilling again；It is characterized in that, before drilling, first
The down-the-hole drill such as flowering structure is obtained, including balladeur train (11) and the slide plate (12) being slidably mounted on balladeur train, the slide plate
(12) rotating assembly (13) are installed on, and are mounted on the drilling rod (15) of the rotating assembly (13) output end；The balladeur train
(11) lower end is vertically installed with guide holder (14), is had on the guide holder (14) and is coaxially disposed with the rotating assembly (13)
Pilot hole, the drilling rod (15) pass through the pilot hole；Up-small and down-big tapered drop is installed on the guide holder (14)
Dust hood (2), the top of the depositing dust cover (2) have the first through hole passed through for drilling rod；It is installed on the inner wall of the depositing dust cover (2)
Have spraying device (21), the spraying device (21) is located at the top of the depositing dust cover (2), and along obliquely downward towards the depositing dust
Cover the middle part setting of (2)；Also there is the water inlet being connected to the spraying device (21), the water inlet on the depositing dust cover (2)
Mouth is connected with water supply pump；When drilling, is supplied water by water supply pump to spraying device, contact the dust in depositing dust cover with water mist
Sedimentation.
2. the static pressure grouting construction method before jacking construction as described in claim 1, which is characterized in that the depositing dust cover (2)
Inside also there is the filter (22) being arranged perpendicular to axis direction, the middle part of the filter (22) has pass through for drilling rod second to lead to
Hole；The filter (22) is located at the lower part of the depositing dust cover (2).
3. the static pressure grouting construction method before jacking construction as claimed in claim 2, which is characterized in that filter (22) packet
Include the consistent frame of internal via shape with the depositing dust cover (22), and the net being mounted on frame；In the depositing dust cover (22)
Circumferentially there are multiple buckles for being used to fix the frame, the depositing dust cover (22) is located at the section ruler of the snapped-in position
It is very little consistent with the size of the frame；The frame is removably connected on the buckle.
4. the static pressure grouting construction method before jacking construction as claimed in claim 3, which is characterized in that the upper end of the buckle
It is connected on the inner wall of the depositing dust cover (2), forms bayonet between lower end and the inner wall of the depositing dust cover (2), the buckle
Middle part is towards the clamping portion being formed by bending in the dust cover (2) for accommodating the frame.
5. the static pressure grouting construction method before jacking construction as claimed in claim 2, which is characterized in that the filter (22)
Aperture is 4 ~ 8mm.
6. the static pressure grouting construction method before jacking construction as claimed in claim 3, which is characterized in that the depositing dust cover (2)
Including symmetrically arranged left cover and right cover, the opposite side of the left cover and right cover, which all has, extends radially outward shape
At flange, pass through the bolt for passing through the bolt hole on flange on the flange with bolt hole, the left cover and right cover
It is fixedly connected.
7. the static pressure grouting construction method before jacking construction as claimed in claim 6, which is characterized in that filter (22) packet
Include symmetrically arranged left filter and right filter.
8. the static pressure grouting construction method before jacking construction as described in claim 1, which is characterized in that the depositing dust cover (2)
Positioned at the lower section of the guide holder (14), multiple bolts hole circumferentially, institute are provided through on the guide holder (14)
The top for stating depositing dust cover (2) has multiple threaded holes being correspondingly arranged with the bolt hole, and the depositing dust cover (2) is solid by bolt
It is scheduled on the guide holder (14).
9. the static pressure grouting construction method before jacking construction as described in claim 1, which is characterized in that the spraying device
(21) multiple along circumferentially having for the depositing dust cover (2).
10. the static pressure grouting construction method before jacking construction as described in claim 1, which is characterized in that the depositing dust cover (2)
Lower section also there is the mounting plate (23) perpendicular to axis setting, the mounting plate (23) passes through supporting rib circumferentially
(24) it is fixedly connected with the depositing dust cover (2), the middle part of the mounting plate (23) has the relief hole passed through for drilling rod；It is described to lead
Be provided through multiple bolts hole circumferentially on seat (14), the bottom of the mounting plate (23) have it is multiple with it is described
The threaded hole that bolt hole is correspondingly arranged, the depositing dust cover (2) are fixedly mounted on the guiding by the bolt across the bolt hole
Above seat (14).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811161198.6A CN109025803B (en) | 2018-09-30 | 2018-09-30 | Static pressure grouting construction method before pipe jacking construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811161198.6A CN109025803B (en) | 2018-09-30 | 2018-09-30 | Static pressure grouting construction method before pipe jacking construction |
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| CN109025803A true CN109025803A (en) | 2018-12-18 |
| CN109025803B CN109025803B (en) | 2020-04-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116988764A (en) * | 2023-08-07 | 2023-11-03 | 河南锦源建设有限公司 | Drilling grouting equipment for mining |
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| CN202682993U (en) * | 2012-06-28 | 2013-01-23 | 中国十七冶集团有限公司 | Dust exhaust hood for down-hole drill |
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| CN206111086U (en) * | 2016-08-31 | 2017-04-19 | 长沙黑金刚实业有限公司 | Down --hole drill |
| CN207892525U (en) * | 2017-09-28 | 2018-09-21 | 长沙黑金刚实业有限公司 | A kind of down-the-hole drill |
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| CN202682993U (en) * | 2012-06-28 | 2013-01-23 | 中国十七冶集团有限公司 | Dust exhaust hood for down-hole drill |
| CN104763360A (en) * | 2014-12-22 | 2015-07-08 | 山东大学 | Oriented dust-exhaust dust-fall cover of high pneumatic DTH (Down-The-Hole) drill |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116988764A (en) * | 2023-08-07 | 2023-11-03 | 河南锦源建设有限公司 | Drilling grouting equipment for mining |
| CN116988764B (en) * | 2023-08-07 | 2024-05-14 | 河南锦源建设有限公司 | Drilling grouting equipment for mining |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109025803B (en) | 2020-04-07 |
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