CN208137874U - A kind of double set cylinder drill pipes of the orientation slip casting of pressure adjustable section - Google Patents
A kind of double set cylinder drill pipes of the orientation slip casting of pressure adjustable section Download PDFInfo
- Publication number
- CN208137874U CN208137874U CN201820698249.8U CN201820698249U CN208137874U CN 208137874 U CN208137874 U CN 208137874U CN 201820698249 U CN201820698249 U CN 201820698249U CN 208137874 U CN208137874 U CN 208137874U
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- drilling rod
- interior
- additional
- slip casting
- type connector
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Abstract
A kind of orientation slip casting pair of pressure adjustable section of the utility model covers cylinder drill pipes and includes：Interior drilling rod, outer drilling rod, L-type connector and back cover rubber；Interior drilling rod side sets several injected holes from the bottom to top, and the other side sets the fixed ring of several the first connecting pin insertions for L-type connector；Several slurry outlets are arranged in outer drilling rod side from the bottom to top；Interior drilling rod is identical with slurry outlet size with the injected hole of outer drilling rod corresponding position；Inner flange, the stepped protrusion of bottom interior wall, if interior cutterhead are set at the top of interior drilling rod；Outward flange disk is set at the top of outer drilling rod, bottom is outer cutterhead.L-type connector second connection end and the fixed achievable interior drilling rod of outward flange disk and outer drilling rod are fixed by bolt when drilling rod in mobile.Back cover rubber is put into interior drilling rod bottom, can be closed.It is directed at injected hole and slurry outlet by drilling rod in rotating after double drilling rods drilling of the utility model, realizes orientation slip casting；Be put into drilling rod steel reinforcement cage and casting concrete can pile, construction disturbance is small, and strength of the mixing pile is high.
Description
Technical field
The utility model belongs to technical field of engineering machinery, and the double sleeves of orientation slip casting for being related to a kind of pressure adjustable section bore
Bar.
Background technique
Slewing drilling machine drives the rotation of drilling machine slewing equipment by power device, so that the drilling rod for having drill bit is driven to rotate, by
Bit cutting soil.Abrasion drill can be used for various geological conditions, and retaining wall effect is good, and hole quality is reliable, therefore is widely used.
With the rapid development of economy, a large amount of subway and bridge start to build, often appears in and built above subway
The case where bridge.And when the bridge pier of bridge is set beside existing subway tunnel, it will have an adverse effect to structure of the subway, because
This, needs to carry out consolidation process to the soil layer of certain depth near subway tunnel in advance.Existing slewing drilling machine mostly only has and bores
The simple function in hole can not implement the grouting and reinforcing under specific direction and pressure to the soil layer at designated depth position and construct and make
Industry.Also, when using the drilling of existing slewing drilling machine, drilling rod is outer directly to be contacted with the soil body, is crept into, and work progress is to native around
Body disturbance is very big.Drilling rod is also first extracted when pile, after being put into steel reinforcement cage, reinserts tremie, and is needed on one side
Concrete perfusion above mentions conduit on one side, and constructing operation is cumbersome.
Utility model content
In order to solve the above technical problems, the purpose of the utility model is to provide a kind of double sets of the orientation slip casting of pressure adjustable section
Cylinder drill pipe, it can be achieved that pore-forming and orient, position slip casting and meanwhile can pile, grouting pressure is adjustable and then realizes to particular formation
Grouting and reinforcing.Drilling rod can stay in underground, prevent hole wall collapse, disturb in entire drilling and formation of pile to surrounding soil small.
The utility model provides a kind of double set cylinder drill pipes of orientation slip casting of pressure adjustable section, including：Interior drilling rod, outer drilling rod,
Multiple L-type connectors for fixing interior drilling rod and outer drilling rod and the back cover rubber for closing interior drilling rod bottom；In described
Several injected holes are arranged in drilling rod side from the bottom to top, and the other side is provided with several for the first of L-type connector from the bottom to top
The fixed ring of connecting pin insertion, is designed with bolt hole on the first connecting pin of fixed ring and L-type connector, is bolted
Connection；The outer drill rod sleeve is outside the interior drilling rod and several slurry outlets are arranged in outer drilling rod side from the bottom to top, interior drilling rod with
The injected hole of outer drilling rod corresponding position is identical with the size of slurry outlet；The top of the interior drilling rod is equipped with inner flange, in bottom
Wall stepped protrusion when back cover rubber is put into interior drilling rod bottom, can internally the bottom of drilling rod be closed, and in bottom
Equipped with interior cutterhead；The top of the outer drilling rod is equipped with outward flange disk, and bottom is outer cutterhead；In the second connection end of L-type connector
Equipped with bolt hole, the second connection end of L-type connector and outward flange disk can be fixed by bolt and be connected when moving up and down interior drilling rod
It connects to realize that interior drilling rod and outer drilling rod are fixed.
In the double set cylinder drill pipes of orientation slip casting of the pressure adjustable section of the utility model, when drilling, passes through inner flange connection
Drill bit and interior drilling rod, to drive drilling rod is at the uniform velocity lower to bore.
In the double set cylinder drill pipes of orientation slip casting of the pressure adjustable section of the utility model, the interior drilling rod and outer drilling rod are adopted
It is made of rigid material.
In the double set cylinder drill pipes of orientation slip casting of the pressure adjustable section of the utility model, the length of the interior drilling rod is greater than outer
The length of drilling rod.
In the double set cylinder drill pipes of orientation slip casting of the pressure adjustable section of the utility model, the interior drilling-rod external wall is equipped with scale
Line, and the setting direction of graduation mark is contrary with injected hole.
In the double set cylinder drill pipes of orientation slip casting of the pressure adjustable section of the utility model, interior drilling rod upper end is equipped with rotation side
To the injected hole of interior drilling rod is corresponding with the slurry outlet of outer drilling rod after interior drilling rod half rotation.
It further include several save in lengthening institute in the double set cylinder drill pipes of orientation slip casting of the pressure adjustable section of the utility model
State interior run of steel it is additional in drilling rod and it is several save in the additional outer drilling rod for lengthening the outer run of steel, add in drilling rod
It is identical with the additional joint number of outer drilling rod, and the single-unit length of additional interior drilling rod is greater than the single-unit length of additional outer drilling rod；It is described attached
Add the both ends of interior drilling rod to be designed with inner flange, the lengthening of interior drilling rod is realized by connection inner flange；It is described to add outer drilling rod
Both ends be designed with outward flange disk, pass through the lengthening that connection outward flange disk realizes outer drilling rod；
Several injected holes are arranged in the additional interior drilling rod side from the bottom to top, and the other side is provided with several from the bottom to top
For the fixed ring of the first connecting pin insertion of L-type connector；The additional outer drill rod sleeve is outside the additional interior drilling rod and additional
Several slurry outlets are arranged in outer drilling rod side from the bottom to top；The injected hole of drilling rod and additional outer drilling rod corresponding position and out in additional
The size for starching hole is identical；By the second connection end of L-type connector and outer drilling rod can be added by bolt when moving up and down interior drilling rod
The outward flange disk on top is fixedly connected to realize that interior drilling rod and outer drilling rod are fixed.
The double set cylinder drill pipes of the orientation slip casting of a kind of pressure adjustable section of the utility model, inside and outside the drilling rod of slewing drilling machine uses
Double drilling rods can be effectively prevented hole wall collapse；By being promoted interior drilling rod at the soil depth position of required slip casting, go forward side by side
Drilling rod grout outlet overlapping area inside and outside one successive step, so that the soil layer to designated position, different condition is realized, using different pressures
The purpose for carrying out specific direction slip casting, can meet the grouting and reinforcing to bad ground well；After the completion of slip casting, can also directly it put
Enter steel reinforcement cage, casting concrete pile, drilling rod can stay in underground without proposition, on the one hand can effectively prevent hole wall collapse, another
Aspect reduces disturbance of the bore forming in the process to surrounding soil.
The grouting method of the utility model is easy to operate, practical, saves material, reduces to the unnecessary of geological environment
Pollution, formation of pile disturb surrounding soil small.
Detailed description of the invention
Fig. 1 is a kind of perspective view of the double set cylinder drill pipes of orientation slip casting of pressure adjustable section of the utility model；
Fig. 2 is a kind of main view of the double set cylinder drill pipes of orientation slip casting of pressure adjustable section of the utility model；
Fig. 3 is a kind of perspective view of the interior drilling rod of the double set cylinder drill pipes of orientation slip casting of pressure adjustable section of the utility model；
Fig. 4 is the cross-sectional view that the double set cylinder drill pipes of orientation slip casting of the pressure adjustable section of the utility model are spliced；
Fig. 5 is the perspective view of the back cover rubber of the utility model；
Fig. 6 is a kind of interior drilling rod bottom interior wall rank of the double set cylinder drill pipes of orientation slip casting of pressure adjustable section of the utility model
Scalariform protrusion perspective view；
Fig. 7 is the perspective view of the L-type connector of the utility model.
Specific embodiment
As shown in Figures 1 to 7, the double set cylinder drill pipes of the orientation slip casting of a kind of pressure adjustable section of the utility model, including：It is interior
Drilling rod 1, outer drilling rod 2, multiple L-type connectors 5 for drilling rod 1 in fixed and outer drilling rod 2 and for by interior 1 bottom of drilling rod into
The closed back cover rubber 15 of row.
Several injected holes 8 are arranged in interior 1 side of drilling rod from the bottom to top, and the other side is provided with several for L-type from the bottom to top
The fixed ring 6 of the first connecting pin insertion of connector 5, is designed with spiral shell on the first connecting pin of fixed ring 6 and L-type connector 5
Keyhole is bolted to connection.2 sets of outer drilling rod are arranged several in outer and outer 2 side of drilling rod of the interior drilling rod 1 from the bottom to top
Slurry outlet 7, interior drilling rod 1 are identical as the size of the injected hole 8 of outer 2 corresponding position of drilling rod and slurry outlet 7.Two drilling rods are hollow tubular
And gap at regular intervals is stayed in centre.The top of the interior drilling rod 1 be equipped with inner flange 3, bottom interior wall stepped raised 16,
The bottom of interior drilling rod 1 can be closed by back cover rubber 15, and the bottom of interior drilling rod 1 is equipped with interior cutterhead 10.It is described outer
The top of drilling rod 2 is equipped with outward flange disk 4, and bottom is outer cutterhead 11.The second connection end of L-type connector 5 is equipped with bolt hole, on
The second connection end of L-type connector 5 can be fixedly connected in realize with outward flange disk 4 by bolt when drilling rod 1 in lower movement
Drilling rod 1 and outer drilling rod 2 are fixed.
It has hung drill bit above interior drilling rod 1, drill bit and interior drilling rod 1 has been connected by inner flange 3 when drilling, to drive drilling rod even
Speed is lower to bore.Drilling rod rotation is driven by drill bit, the interior cutterhead 10 and outer cutterhead 11 of 2 bottom of interior drilling rod 1 and outer drilling rod are at the uniform velocity lower to be bored,
Realize drilling.
The interior drilling rod 1 and outer drilling rod 2 is all made of rigid material and is made.The length of interior drilling rod 1 is greater than the length of outer drilling rod 2
Degree.It is equipped with graduation mark 12 in the outer wall of interior drilling rod 1, and the setting direction of graduation mark 12 is contrary with injected hole 8, specific implementation
When, a graduation mark 12 is arranged in interval 0.05m on interior drilling rod 1, can according to need the depth position for reinforcing soil layer in operation process
It sets, according to scale, interior drilling rod 1 is promoted and arrives specified altitude assignment, and is by L-type connector 5 that interior drilling rod 1 and outer drilling rod 2 is fixed.Together
Sample, according to soil properties, according to the overlapping area of scale adjustment injected hole 8 and slurry outlet 7, to adjust grouting pressure.Interior drilling rod 1
Upper end is equipped with direction of rotation, and the injected hole 8 of interior drilling rod 1 is corresponding with the slurry outlet 7 of outer drilling rod 2 after interior 1 half rotation of drilling rod.
Double set cylinder drill pipes of the utility model further include several save in the additional interior drilling rod for lengthening the interior run of steel
It saves with several in the additional outer drilling rod for lengthening the outer run of steel.Drilling rod is identical with the additional joint number of outer drilling rod in additional,
And the single-unit length of additional interior drilling rod is greater than the single-unit length of additional outer drilling rod.The both ends of the additional interior drilling rod are designed with interior method
Blue disk 3 realizes the lengthening of interior drilling rod by connecting inner flange 3；The both ends of the additional outer drilling rod are designed with outward flange disk 4,
The lengthening of outer drilling rod is realized by connecting outward flange disk 4.Several injected holes are arranged in the additional interior drilling rod side from the bottom to top,
The other side is provided with several fixed rings being inserted into for the first connecting pin of L-type connector from the bottom to top；It is described to add outer drilling rod
It covers outside the additional interior drilling rod and several slurry outlets is arranged in additional outer drilling rod side from the bottom to top；It adds interior drilling rod and adds
The injected hole of outer drilling rod corresponding position is identical with the size of slurry outlet；L-type can be connected by bolt when moving up and down interior drilling rod
The second connection end of part is fixedly connected to realize that interior drilling rod and outer drilling rod are fixed with the outward flange disk on additional outer drilling rod top.
The additional interior drilling rod and additional outer drilling rod are all made of rigid material and are made.It is equipped in the outer wall of additional interior drilling rod
Graduation mark, and the setting direction of graduation mark is contrary with injected hole.Drilling rod upper end is equipped with direction of rotation in additional.
As shown in figure 4, drilling rod 1 in more than 4 spreadings of inner flange 3 and outward flange disk need to be passed through when drilling depth is deeper
With outer drilling rod 2.Its sequence of construction is successively first to unload L-type connector 5, then be connected with interior drilling rod 1 and add interior drilling rod
Inner flange 3 extends the length of interior drilling rod 1, is finally connected with the outward flange disk 4 of outer drilling rod 2 and additional outer drilling rod, extends
The length of outer drilling rod 2 meets the needs of drilling depth to realize extension run of steel.
The detailed process constructed using a kind of double set cylinder drill pipes of the orientation slip casting of pressure adjustable section of the utility model
It is as follows：
Step 1：Casing is buried in foundation soil, guarantees that accurate positioning avoids aperture from collapsing；
Step 2：Shield-tube embedment is completed, and drilling machine is in place, and drilling machine installs exactly and guarantees that double set cylinder drill pipes are vertical；It will be outer
Drill rod sleeve is inserted into the fixed ring on interior drilling rod outside interior drilling rod, then by the first connecting pin of L-type connector, with bolt by
One connecting pin is fixed with fixed ring；The second connection end of L-type connector is fixed by bolts on the outward flange disk of outer drill rod sleeve,
Prevent inside and outside drilling rod from producing relative rotation；Drill bit and interior drilling rod are connected by inner flange, drill bit drives drilling rod rotation and protects
At the uniform velocity lower brill is held, guarantees that drilling rod is vertical and injected hole and slurry outlet are in interleaved state in the process；
Step 3：Start to creep into, and in drilling process, scarfing cinder is constantly carried out using mud circulation, is injected in drilling rod inside
Mud, bar export native slag outside；
Step 4：It according to drilling depth, takes over, sequence is first to unload L-type connector, then connect by inner flange
Drilling rod in additional, finally by outward flange disk attachment plus outer drilling rod, blending bolt connects two inner flanges respectively and two outer
Ring flange, then be fixedly connected with the additional interior drilling rod connected with additional outer drilling rod by L-type connector；
Step 5：After getting into required depth, drill bit of drilling machine is unloaded, along the graduation mark on interior drilling-rod external wall, interior drilling rod is mentioned
It is raised to the soil layer position of specified grouting and reinforcing, rotating interior drilling rod makes slurry outlet direction phase of the graduation mark of interior drilling rod with outer drilling rod
Instead, and according to required grouting pressure, the overlapping area of injected hole and slurry outlet is adjusted, to meet the slip casting under the conditions of current geology
Pressure requirements.Interior drilling rod and outer drilling rod are fixed by L-type connector, and back cover rubber is vertically put into interior drilling rod to its bottom
It is closed in portion；
Step 6：After adjustment, the slip casting core pipe that the double plugs of band are put into the interior drilling rod carries out slip casting, with completion pair
The orientation slip casting operation of different geological conditions soil layer；
Step 7：After completing slip casting, L-type connector is unloaded, interior drilling rod is re-moved, hole bottom is dropped to, in drilling rod
It is inside put into steel reinforcement cage, then casting concrete, pile finally can be achieved.
The above is only the preferred embodiment of the present invention, the thought being not intended to limit the utility model, it is all
Within the spirit and principles of the utility model, it is practical new to should be included in this for any modification, equivalent replacement, improvement and so on
Within the protection scope of type.
Claims (7)
1. a kind of double set cylinder drill pipes of the orientation slip casting of pressure adjustable section, which is characterized in that including：Interior drilling rod, outer drilling rod, Duo Geyong
The L-type connector of drilling rod and outer drilling rod and the back cover rubber for closing interior drilling rod bottom in fixed；The interior drilling rod one
Several injected holes are arranged in side from the bottom to top, and the other side is provided with several for the first connecting pin of L-type connector from the bottom to top
The fixed ring of insertion is designed with bolt hole on the first connecting pin of fixed ring and L-type connector, is bolted to connection；
The outer drill rod sleeve is outside the interior drilling rod and several slurry outlets, interior drilling rod and outer drilling rod are arranged in outer drilling rod side from the bottom to top
The injected hole of corresponding position and the size of slurry outlet are identical；The top of the interior drilling rod is equipped with inner flange, and bottom interior wall is in rank
Scalariform protrusion when back cover rubber is put into interior drilling rod bottom, can internally the bottom of drilling rod be closed, and be equipped in bottom interior
Cutterhead；The top of the outer drilling rod is equipped with outward flange disk, and bottom is outer cutterhead；The second connection end of L-type connector is equipped with spiral shell
The second connection end of L-type connector can be fixedly connected when moving up and down interior drilling rod by bolt with outward flange disk with reality by keyhole
Drilling rod and outer drilling rod are fixed in existing.
2. the double set cylinder drill pipes of the orientation slip casting of pressure adjustable section as described in claim 1, which is characterized in that by interior when drilling
Ring flange connects drill bit and interior drilling rod, to drive drilling rod is at the uniform velocity lower to bore.
3. the double set cylinder drill pipes of the orientation slip casting of pressure adjustable section as described in claim 1, which is characterized in that the interior drilling rod and
Outer drilling rod is all made of rigid material and is made.
4. the double set cylinder drill pipes of the orientation slip casting of pressure adjustable section as described in claim 1, which is characterized in that the interior drilling rod
Length is greater than the length of outer drilling rod.
5. the double set cylinder drill pipes of the orientation slip casting of pressure adjustable section as described in claim 1, which is characterized in that outside the interior drilling rod
Wall is equipped with graduation mark, and the setting direction of graduation mark is contrary with injected hole.
6. the double set cylinder drill pipes of the orientation slip casting of pressure adjustable section as described in claim 1, which is characterized in that interior drilling rod upper end is set
There is direction of rotation, the injected hole of interior drilling rod is corresponding with the slurry outlet of outer drilling rod after interior drilling rod half rotation.
7. the double set cylinder drill pipes of the orientation slip casting of pressure adjustable section as described in claim 1, which is characterized in that further include several sections
For lengthen the interior run of steel it is additional in drilling rod and it is several save in the additional outer drilling rod for lengthening the outer run of steel,
Drilling rod is identical with the additional joint number of outer drilling rod in additional, and the single-unit length of additional interior drilling rod is long greater than the single-unit of additional outer drilling rod
Degree；The both ends of the additional interior drilling rod are designed with inner flange, pass through the lengthening that connection inner flange realizes interior drilling rod；It is described attached
Add the both ends of outer drilling rod to be designed with outward flange disk, the lengthening of outer drilling rod is realized by connection outward flange disk；
Several injected holes are arranged in the additional interior drilling rod side from the bottom to top, and the other side is provided with several for L from the bottom to top
The fixed ring of the first connecting pin insertion of type connector；The additional outer drill rod sleeve is bored outside the additional interior drilling rod and outside additional
Several slurry outlets are arranged in bar side from the bottom to top；The injected hole and slurry outlet of drilling rod and additional outer drilling rod corresponding position in additional
Size it is identical；By the second connection end of L-type connector and outer drilling rod top can be added by bolt when moving up and down interior drilling rod
Outward flange disk be fixedly connected and fixed with drilling rod and outer drilling rod in realizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820698249.8U CN208137874U (en) | 2018-05-11 | 2018-05-11 | A kind of double set cylinder drill pipes of the orientation slip casting of pressure adjustable section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820698249.8U CN208137874U (en) | 2018-05-11 | 2018-05-11 | A kind of double set cylinder drill pipes of the orientation slip casting of pressure adjustable section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208137874U true CN208137874U (en) | 2018-11-23 |
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ID=64313301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820698249.8U Expired - Fee Related CN208137874U (en) | 2018-05-11 | 2018-05-11 | A kind of double set cylinder drill pipes of the orientation slip casting of pressure adjustable section |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208137874U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108505954A (en) * | 2018-05-11 | 2018-09-07 | 沈阳建筑大学 | A kind of orientation slip casting of pressure adjustable section is double to cover cylinder drill pipe and its construction method |
-
2018
- 2018-05-11 CN CN201820698249.8U patent/CN208137874U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108505954A (en) * | 2018-05-11 | 2018-09-07 | 沈阳建筑大学 | A kind of orientation slip casting of pressure adjustable section is double to cover cylinder drill pipe and its construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |