CN207608903U - Detachable rotation type drilling pile pile - Google Patents
Detachable rotation type drilling pile pile Download PDFInfo
- Publication number
- CN207608903U CN207608903U CN201721179083.0U CN201721179083U CN207608903U CN 207608903 U CN207608903 U CN 207608903U CN 201721179083 U CN201721179083 U CN 201721179083U CN 207608903 U CN207608903 U CN 207608903U
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- pile
- pressure water
- water jet
- drill bit
- rotation type
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- 238000005553 drilling Methods 0.000 title claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 239000011435 rock Substances 0.000 abstract description 23
- 238000010276 construction Methods 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 16
- 239000002689 soil Substances 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 7
- 230000006378 damage Effects 0.000 abstract description 4
- 238000002347 injection Methods 0.000 abstract description 4
- 239000007924 injection Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 231100000241 scar Toxicity 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Earth Drilling (AREA)
Abstract
The utility model discloses a kind of detachable rotation type drilling pile piles, including：Pile pile is in hollow structure；Active joint is slidably sheathed on traction conduit, and lower end is fixedly connected with draught line, and the active joint is moving up and down to be set in the pile pile；Drilling rod is fixedly connected with the lower end of the active joint, is located in the pile pile；And drill bit, it is set to the drilling rod bottom, is connect with driving mechanism, drives the drill bit to rotate by the driving mechanism；The drill bit includes mechanical drill and multiple High pressure water jet nozzles, and the multiple High pressure water jet nozzle is set on the mechanical drill, and multiple High pressure water jet nozzles are arranged in different inclined directions.The utility model overcomes the problem of pile pile is difficult to injection rock stratum during piling construction；It reduces the pile body caused by pile driving process to damage, reduces the soil plug effect in pile pile pile driving process.It is easy for construction simple, it is convenient to carry out.
Description
Technical field
The utility model is related to the realm of building construction, more particularly to a kind of detachable rotation type drilling pile pile.
Background technology
Prestressed concrete pipe pile has been obtained for widely promoting, and be widely used in by fast development for many years
The engineering fields such as building, road, bridge, harbour.In the future for a long period of time, continuous complete with China's infrastructure
Kind, tubular pile industry can also sustainable development.Currently, there are mainly three types of the pile sinking technologies of concrete tubular pile：Static pressure method, is shaken at hammering method
Dynamic method.
Static pressure construction be in a kind of mechanism of pile dead weight and pile frame by static pile press will be pre- with recast counter-force
Pile-formation process in stake indentation soil processed.Static pressure method has as a drawback that：1, excessive pile driving pressure, which easily clips broken tubular pile body, is caught broken,
Pile pile is set longitudinal crack occur；2, stake end is difficult to the hard scar of injection, cannot be satisfied Design of Rock Socketed Pile demand；It 3, should not be in underground
Barrier or the more field construction of boulder；4, soil plug effect is generated.
Hammer-impact construction is to make the piston upwards certain altitude in hammer body, then by diesel combustion or hydraulic-driven
The impact force action of freely falling body, generation makes pile pile sink to pile pile stake top.Pile pile sinks to certain depth, passes through pipe pile
The end resistance collective effect of the frictional resistance and pile top of body and surrounding soil, to reach the construction method of design bearing capacity.Hammering method
It has as a drawback that：Noise is big when 1, constructing, pollution environment, is limited in down town and carrying on construction work at night；2, excessive hammer
Stake power may generate pile body certain destruction；3, stake end is difficult to the hard scar of injection, cannot be satisfied Design of Rock Socketed Pile demand；4、
Field construction that should not be more in underground obstacle or boulder；5, there is soil plug effect.
Vibratory drilling method construction is the vibration hammer that is rigidly connected on pile pile, forms a vibration system.By several on axis in hammering into shape
Eccentric block relative rotation generates vibration force, and vibration system up-down vibration is made to force the soil layer corresponding vibration touched with staking, soil layer strong
Degree declines, drag reduction, to make stake in the effect of vibration system ballast sinks to burying.But vibratory drilling method has as a drawback that：
1, ground is affected by vibration big, and while encountering hard interbedded layer is still difficult to penetrate；2, vibration hammer construction is more complex, and repair is more difficult；3、
Hydraulic vibration driver somewhat expensive.
The information for being disclosed in the background technology part is merely intended to increase the understanding to the general background of the utility model, and
It is not construed as recognizing or implying in any form that information composition has been existing well known to persons skilled in the art
Technology.
Utility model content
The purpose of this utility model is to provide a kind of detachable rotation type drilling pile piles, to overcome concrete tubular pile heavy
Conventional construction method is difficult to damage into rock, to pile body, reduces the shortcomings of bearing capacity of pile foundation when stake.
To achieve the above object, the utility model provides a kind of detachable rotation type drilling pile pile, including：Pile pile is in
Hollow structure；Active joint is slidably sheathed on traction conduit, and lower end is fixedly connected with draught line, and the activity connects
It is moving up and down to be set in the pile pile；Drilling rod is fixedly connected with the lower end of the active joint, is located at the pile pile
It is interior；And drill bit, it is set to the drilling rod bottom, is connect with driving mechanism, drives the drill bit to turn by the driving mechanism
It is dynamic；The drill bit includes mechanical drill and multiple High pressure water jet nozzles, and the multiple High pressure water jet nozzle is set to the machine
On tool drill bit, multiple High pressure water jet nozzles are arranged in different inclined directions；Wherein, described in the case where carrying out bore state
Drill bit extends beyond the pile pile bottom.
Preferably, in above-mentioned technical proposal, the active joint is dismountable active joint, is in umbrella mechanical structure.
Preferably, in above-mentioned technical proposal, the active joint includes：Sleeve is slidably sheathed on the traction
On conduit；More supporting rods, the more supporting rods are set on the sleeve；More telescopic rods, the more telescopic rods and institute
It states supporting rod to be arranged in a one-to-one correspondence, described telescopic rod one end is hinged with the supporting rod；And drawstring, one end are set to the branch
The hinged place of strut and the telescopic rod, the other end are connect with the drilling rod；Wherein, in the state of carrying out boring work, institute
The other end for stating telescopic rod extends into the pile pile pile lining, and the telescopic rod is in stretched condition.
Preferably, in above-mentioned technical proposal, the pile pile inner wall is equipped with location hole, and in a state of use, the activity connects
The edge of head is set in the location hole.
Preferably, in above-mentioned technical proposal, the drilling rod is auger stem.
Preferably, in above-mentioned technical proposal, high-pressure water jet conduit, the high-pressure water jet are equipped in the mechanical drill
Conduit is connect with the High pressure water jet nozzle, and the high-pressure water jet conduit extends into the traction conduit.
Preferably, in above-mentioned technical proposal, the mechanical drill includes vertical Drilling bore bit and horizontal cutting drill bit, described
Vertical Drilling bore bit is set to middle part, and the horizontal cutting drill bit is around the vertical Drilling bore bit setting.
Preferably, it in above-mentioned technical proposal, is equipped in the middle part of the vertical Drilling bore bit multiple in the setting of different inclined directions
The High pressure water jet nozzle.
Preferably, in above-mentioned technical proposal, the corresponding bit wing side of the horizontal cutting drill bit is equipped with multiple in inclining
The High pressure water jet nozzle being tiltedly arranged.
Preferably, in above-mentioned technical proposal, the driving mechanism is connect with cable, the draught line and the cable
In the traction conduit.
Preferably, in above-mentioned technical proposal, the driving mechanism is motor.
A kind of construction method of detachable rotation type drilling pile pile, includes the following steps：
(1) installation activity connector stretches into active joint, auger stem and drill bit in pile pile, and the edge of active joint is stretched
Enter in the reserved location hole of pile pile, start driving mechanism, under the action of driving mechanism is drawn, auger stem and drill bit is driven to turn
It is dynamic, so that the skeleton of active joint is opened under the traction of auger stem, after active joint opens completely, stops driving driving mechanism
Work, completes the installation of active joint；
(2) pile sinking starts driving mechanism, drill bit is made to drill downwards；
(3) drill bit recycles, and driving driving mechanism rotates backward, and the edge of active joint is shunk, and is detached from pile pile, pulls out drill bit
；
Preferably, in above-mentioned technical proposal, the soil and rubble generated in pile driving process in the step (2) is arranged
Slag.
Compared with prior art, the utility model has the advantages that：
(1) the detachable rotation type drilling pile pile of the utility model, it is by detachable active joint that drill bit is direct with pile pile
It is connected, forms a kind of detachable rotation type drilling pile pile.Detachable active joint is umbrella-shaped structure, and the installation of drill bit is facilitated to fix
With recycling.
(2) drill bit embeds motor and setting high-pressure water jet conduit, and drill bit can rotation under the driving of motor.Drill bit includes
Mechanical drill and multiple High pressure water jet nozzles, High pressure water jet nozzle are connect with high-pressure water jet conduit.High-pressure water shot conductance
Pipe is set in different inclined directions on mechanical drill.Mechanical drill broken rock is revolved with high speed using the high intensity of drill bit material itself
The cutting force for changing the line of production raw carries out broken rock, and High pressure water jet nozzle broken rock is equipped with multiple using the side of drill bit in different inclination sides
To High pressure water jet nozzle rock is destroyed, reach auxiliary drill bit precession and enter rock, and pass through and control high-pressure water nozzle
Impact force achieve the purpose that reaming.Drill bit can penetrate hard interlayer according to design strength requirement or squeeze into competent bed, make pipe
Designed elevation is squeezed into stake.The equipment is simple and reliable and convenient for recycling, solves conventional tube pile construction technology and is difficult to broken rock
Problem greatly increases construction efficiency when pile pile pile sinking, has saved the cost of construction.
(3) design auger stem device handles dregs, reduces the soil plug that pile driving process is formed.
(4) the utility model overcomes the problem of pile pile is difficult to injection rock stratum during piling construction, greatly improves
Engineering efficiency；Overcoming pile pile should not be underground obstacle or the boulder more field construction the problem of；It reduces in pile sinking mistake
Pile body caused by journey damages, and improves pile foundation overall performance；Reduce the soil plug effect in pile pile pile driving process.Construction method letter
It is single, it is convenient to carry out, it is easy to grasp.
Description of the drawings
Fig. 1 is that drill bit installs the structural representation before fixing in detachable rotation type drilling pile pile according to the present utility model
Figure.
Fig. 2 is that drill bit installs the structural representation after fixing in detachable rotation type drilling pile pile according to the present utility model
Figure.
Fig. 3 is the structural schematic diagram of drill bit in detachable rotation type drilling pile pile according to the present utility model.
Fig. 4 is the vertical view of drill bit in detachable rotation type drilling pile pile according to the present utility model.
Fig. 5 is the schematic diagram using the detachable rotation type drilling tube pile construction flow of the utility model.
Specific implementation mode
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described in detail, it is to be understood that this practicality
Novel protection domain is not restricted by specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " comprising " or its change
It changes such as "comprising" or " including " etc. and will be understood to comprise stated element or component, and do not exclude other members
Part or other component parts.
As shown in Figures 1 to 5, it is drilled pile pile according to a kind of detachable rotation type of specific embodiment of the present invention,
Including pile pile 1, active joint 2, drilling rod 3 and drill bit 4.Pile pile 1 is in hollow structure, and active joint 2 is slidably sheathed on traction
On conduit 5, pile pile inner wall is equipped with location hole, and in a state of use, the edge of active joint is set in location hole.Lower end and traction
Line 6 is fixedly connected (for steel wire rope).In the case where carrying out bore state, active joint is moving up and down to be set in pile pile 1.Drilling rod 3
It is fixed at the lower end of active joint 2, is located in pile pile 1.Drill bit 4 is set to the bottom of drilling rod 3, and driving mechanism is equipped in drill bit,
The driving mechanism is motor 7, and drill bit is connect with motor 7, and motor 7 is connect with cable.Drill bit 4 is driven to rotate by motor 7.It bores
Head includes mechanical drill 41 and multiple High pressure water jet nozzles 42, and multiple High pressure water jet nozzles 42 are set on mechanical drill 41,
Multiple High pressure water jet nozzles are arranged in different inclined directions.In the case where carrying out bore state, will be bored by detachable active joint 2
First 4 are connected directly with pile pile 1, form a kind of detachable rotation type drilling pile pile.Drill bit extends beyond pile pile bottom.Detachably
Active joint is umbrella-shaped structure, and the installation of drill bit is facilitated to fix and recycle.One relatively good technical solution is that activity connects
First 2 be dismountable active joint, is in umbrella mechanical structure.Specially active joint 2 includes：Sleeve 21, it is slidable to cover
On traction conduit 5.Sleeve 21 is equipped with more supporting rods 22, and the other end of every supporting rod 22, which corresponds to, is hingedly equipped with one
Telescopic rod 23.24 one end of drawstring is set to the hinged place of supporting rod and telescopic rod, and the other end is fixedly connected with drilling rod 3.It is being bored
In the state of the work of hole, start motor 7, motor 7 drives drill bit 4 to rotate, and drill bit rotates down, and by the effect of drawstring 24, draws
21 slide downward of moving sleeve, the location hole of the other end of telescopic rod 23 into pile pile 1 extend, and telescopic rod is in stretched condition, complete
At the installation of drill bit.
The specific working method of active joint is, using the draught line steel wire rope in integrated pipeline by drill bit and auger stem
It is lifted from stake top portion to corresponding position, after the reserved location hole on the inside of active joint skeleton alignment pile pile on pile lining, motor opens
It is dynamic, so that the skeleton of active joint is gradually opened under the traction of draught line steel wire rope, until the skeleton of active joint struts completely.
After active joint skeleton end is fully inserted into pile lining, the inductor on active joint receives signal, motor stopping, drill bit
Installation fixation procedure complete.Removal process is similar with installation process, reverse operating.
Preferably, drilling rod 3 is auger stem, and auger stem is hollow auger stem.It can using hollow auger stem
It assists drill bit to carry out deslagging, upward conveying soil and rubble, and soil and rubble is further sheared, smashed.Its
The principle of deslagging is：When being drilled, auger stem is rotated together with drill bit.After drill bit is broken by native (rock) layer, spiral shell
As soon as rotary drill bar and pile pile inner wall just constitute an auger conveyor, hole subsoil (rock) slag by the helical blade on drilling rod gradually to
Upper conveying, the soil above umbrella active joint is just continuously pushed upwards, until being easily discharged out of the hole.
The embodiment relatively good as one, drill bit 4 include mechanical drill 41 and High pressure water jet nozzle 42, machinery
High-pressure water jet conduit is equipped in drill bit 41, high-pressure water jet conduit 43 is connect with High pressure water jet nozzle 42, high-pressure water jet
Conduit extends into traction conduit 5.Mechanical drill 41 includes vertical Drilling bore bit 411 and horizontal cutting drill bit 412, vertical drilling
Drill bit 411 is set to middle part, and horizontal cutting drill bit 412 is arranged around vertical Drilling bore bit.411 middle part of vertical Drilling bore bit is equipped with 3
It is a in different inclined directions setting High pressure water jet nozzle 421,412 corresponding bit wing side of horizontal cutting drill bit be equipped with
The High pressure water jet nozzle 422 of its corresponding two inclined directions setting, the inclined direction and water of High pressure water jet nozzle 422
The direction that flat cut drill 412 rotates when drilling is consistent.Mechanical drill broken rock is the high intensity and height using drill bit material itself
The cutting force that speed rotation generates carries out broken rock, and High pressure water jet nozzle broken rock is inclined in difference equipped with multiple using the side of drill bit
The High pressure water jet nozzle of tilted direction destroys rock, reaches auxiliary drill bit precession and enters rock, and by controlling high pressure water
The impact force of nozzle achievees the purpose that reaming.Drill bit can penetrate hard interlayer according to design strength requirement or squeeze into competent bed,
Pile pile is set to squeeze into designed elevation.
Inclined High pressure water jet nozzle is housed in drill bit side and bottom, to carry out reaming and broken rock, is come with this auxiliary
Drill bit precession is helped to enter rock.The operation principle of high-voltage water jet device is：Pass through high-pressure water jet according to the geological conditions in place of working
Flow, pressure and the direction with control device setting high-pressure water jet occurs, high-pressure water jet occurs to generate simultaneously with control device
Uninterrupted, pressure and the direction of high pressure water are controlled, then, high pressure water is transported to drill body end by high-pressure water jet conduit
The nozzle in portion, and eject, huge impact force is formed, is evenly distributed in around drill body front end and intermediate, beats
Dissipate the soil block and admant block of front end.When drill bit rotates, the high-pressure water jet projected from drill bit side can also form lateral cut
Shear force fully smashes the admant block of surrounding.
Preferably, High pressure water jet nozzle is connect with high-pressure water jet conduit, and motor is connect with cable, draught line, height
Pressure water jet conduit and cable are set in traction conduit.Power supply and related manipulation, high pressure water that drill bit embeds motor can be achieved
The functions such as the conveying of jet stream, the installation of drill bit and recycling are in one.
A kind of construction method of detachable rotation type drilling pile pile, includes the following steps：
(1) installation activity connector stretches into active joint, auger stem and drill bit in pile pile as shown in I in Fig. 5, living
The edge of dynamic connector stretches into the reserved location hole of pile pile, starts driving mechanism, under the action of driving mechanism is drawn, drives spiral shell
Rotary drill bar and drill bit rotation, make the skeleton of active joint be opened under the traction of auger stem, after active joint opens completely, stop
Only driving driving mechanism work, completes the installation of active joint；
(2) enter the driving before rock, as shown in II in Fig. 5, after active joint, auger stem and drill bit install, bore
Head starts to tunnel, and pile pile starts pile sinking；
(3) broken rock pile sinking starts driving mechanism as shown in III in Fig. 5, and drill bit starts to tunnel downwards, and utilizes spiral
The upward deslagging of drilling rod, when encountering competent bed, using high-pressure water jet occur with control device adjust water jet flow,
Pressure and direction, to auxiliary rock and reaming；
(4) drill bit recycles, and as shown in IV in Fig. 5, driving driving mechanism rotates backward, and the edge of active joint is shunk,
It is detached from pile pile, pulls out drill bit.
The description of the aforementioned specific exemplary embodiment to the utility model is in order to illustrate and illustration purpose.These
Description is not wishing to for the utility model to be limited to disclosed precise forms, and it will be apparent that according to the above instruction, can carry out
Many change and variations.The purpose of selecting and describing the exemplary embodiment is that explaining the specific principle of the utility model
And its practical application, so that those skilled in the art can realize and utilize a variety of different examples of the utility model
Property embodiment and various chooses and changes.The scope of the utility model is intended to by claims and its waits similar shapes
Formula is limited.
Claims (10)
- The pile pile 1. a kind of detachable rotation type drills, which is characterized in that including：Pile pile is in hollow structure；Active joint, be slidably sheathed on traction conduit on, lower end is fixedly connected with draught line, the active joint can on Lower movement is set in the pile pile；Drilling rod is fixedly connected with the lower end of the active joint, is located in the pile pile；AndDrill bit is set to the drilling rod bottom, is connect with driving mechanism, drives the drill bit to rotate by the driving mechanism； The drill bit includes mechanical drill and multiple High pressure water jet nozzles, and the multiple High pressure water jet nozzle is set to the power auger On head, multiple High pressure water jet nozzles are arranged in different inclined directions；Wherein, in the case where carrying out bore state, the drill bit Extend beyond the pile pile bottom.
- The pile pile 2. detachable rotation type according to claim 1 drills, which is characterized in that the active joint is detachable Active joint, be in umbrella mechanical structure.
- The pile pile 3. detachable rotation type according to claim 1 drills, which is characterized in that the active joint includes：Sleeve is slidably sheathed on the traction conduit；More supporting rods, the more supporting rods are set on the sleeve；More telescopic rods, the more telescopic rods are arranged in a one-to-one correspondence with the supporting rod, described telescopic rod one end and the branch Strut is hinged；AndDrawstring, one end are set to the hinged place of the supporting rod and the telescopic rod, and the other end is connect with the drilling rod；Wherein, in the state of carrying out boring work, the other end of the telescopic rod extends into the pile pile pile lining, described to stretch Contracting bar is in stretched condition.
- The pile pile 4. detachable rotation type according to claim 1 drills, which is characterized in that the pile pile inner wall is equipped with positioning Hole, in a state of use, the edge of the active joint are set in the location hole.
- The pile pile 5. detachable rotation type according to claim 1 drills, which is characterized in that the drilling rod is auger stem.
- The pile pile 6. detachable rotation type according to claim 1 drills, which is characterized in that height is equipped in the mechanical drill Pressure water jet conduit, the high-pressure water jet conduit are connect with the High pressure water jet nozzle, the high-pressure water jet conduit to Extend in the traction conduit.
- The pile pile 7. detachable rotation type according to claim 1 drills, which is characterized in that the mechanical drill includes vertical Drilling bore bit and horizontal cutting drill bit, the vertical Drilling bore bit are set to middle part, and the horizontal cutting drill bit is around described vertical Drilling bore bit is arranged.
- The pile pile 8. detachable rotation type according to claim 7 drills, which is characterized in that in the middle part of the vertical Drilling bore bit Equipped with multiple High pressure water jet nozzles in the setting of different inclined directions.
- The pile pile 9. detachable rotation type according to claim 7 drills, which is characterized in that the horizontal cutting drill bit corresponds to Bit wing side be equipped with multiple High pressure water jet nozzles being inclined to set.
- The pile pile 10. detachable rotation type according to claim 1 drills, which is characterized in that the driving mechanism and cable Line connects, and the draught line and the cable are set in the traction conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721179083.0U CN207608903U (en) | 2017-09-14 | 2017-09-14 | Detachable rotation type drilling pile pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721179083.0U CN207608903U (en) | 2017-09-14 | 2017-09-14 | Detachable rotation type drilling pile pile |
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| Publication Number | Publication Date |
|---|---|
| CN207608903U true CN207608903U (en) | 2018-07-13 |
Family
ID=62793307
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721179083.0U Expired - Fee Related CN207608903U (en) | 2017-09-14 | 2017-09-14 | Detachable rotation type drilling pile pile |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107574816A (en) * | 2017-09-14 | 2018-01-12 | 广西大学 | Detachable rotation type drilling pile tube and construction method |
| CN113373909A (en) * | 2021-07-05 | 2021-09-10 | 浙江工业职业技术学院 | Pile grouting method capable of automatically adapting to soil layer |
| CN113523355A (en) * | 2021-07-23 | 2021-10-22 | 中船黄埔文冲船舶有限公司 | Steel structure pipe pile hole forming device and hole forming method |
| CN113818427A (en) * | 2021-11-08 | 2021-12-21 | 中铁隧道集团一处有限公司 | Hard sand layer steel pipe pile sinking assisting device and method utilizing high-pressure water jet |
-
2017
- 2017-09-14 CN CN201721179083.0U patent/CN207608903U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107574816A (en) * | 2017-09-14 | 2018-01-12 | 广西大学 | Detachable rotation type drilling pile tube and construction method |
| CN113373909A (en) * | 2021-07-05 | 2021-09-10 | 浙江工业职业技术学院 | Pile grouting method capable of automatically adapting to soil layer |
| CN113373909B (en) * | 2021-07-05 | 2022-07-01 | 浙江工业职业技术学院 | Pile grouting method capable of automatically adapting to soil layer |
| CN113523355A (en) * | 2021-07-23 | 2021-10-22 | 中船黄埔文冲船舶有限公司 | Steel structure pipe pile hole forming device and hole forming method |
| CN113818427A (en) * | 2021-11-08 | 2021-12-21 | 中铁隧道集团一处有限公司 | Hard sand layer steel pipe pile sinking assisting device and method utilizing high-pressure water jet |
| CN113818427B (en) * | 2021-11-08 | 2022-07-01 | 中铁隧道集团一处有限公司 | Hard sand layer steel pipe pile sinking assisting device and method utilizing high-pressure water jet |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180713 |