CN105019441B - Axial lifting driving structure for drill rods of pile driver for cement mixing piles - Google Patents
Axial lifting driving structure for drill rods of pile driver for cement mixing piles Download PDFInfo
- Publication number
- CN105019441B CN105019441B CN201510415164.5A CN201510415164A CN105019441B CN 105019441 B CN105019441 B CN 105019441B CN 201510415164 A CN201510415164 A CN 201510415164A CN 105019441 B CN105019441 B CN 105019441B
- Authority
- CN
- China
- Prior art keywords
- drilling rod
- rod body
- axially
- cement mixing
- driving structure
- 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.)
- Active
Links
Landscapes
- Earth Drilling (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention belongs to the technical field of building equipment, and particularly relates to an axial lifting driving structure for drill rods of a pile driver for cement mixing piles. The problem that an existing pile driver for cement mixing piles cannot achieve drilling properly is solved. The axial lifting driving structure comprises a driving box body with an inner cavity. The driving box body is provided with at least one drill rod body which is arranged in the vertical direction and can rotate circumferentially. One end of the drill rod body penetrates in the driving box body. An axial driving mechanism is arranged between the drill rod body and the driving box body, wherein the axial driving mechanism can drive the drill rod body to vertically slide in a reciprocating mode when the drill rod body is in a circumferentially-rotary state or in a circumferentially-stationary state. The axial lifting driving structure for the drill rods of the pile driver for the cement mixing piles has the advantages that the drill rod body can be stretched in the axial direction and also can slide in the axial direction during circumferential rotation, and the phenomenon that drilling cannot be achieved tends not to happen; drilling efficiency is improved, the perimeter of the cross section of each cement mixing pile is increased after construction, the pull-out capacity of the cement mixing piles is improved, and the mixing homogeneity is improved as well.
Description
Technical field
The invention belongs to Architectural Equipment technical field, especially relate to a kind of drilling rod of cement mixing method piling machine axially
Lifting driving structure.
Background technology
Cement mixing method is a kind of method for reinforcing saturation soft clay low land base, and it is by the use of cement as solidification
Agent, by special Mixing Machine, in ground depths by weak soil and firming agent action of forced stirring, using institute between firming agent and weak soil
The series of physical chemical reaction producing, makes weak soil harden into the high-quality ground with globality, water stability and some strength.
The piling machine of common cement mixing method is many to work to get out boring by multiple drilling rods simultaneously, however in practice of construction by
In soil hardness or when running into the hard thing such as stone, the phenomenon that drilling rod cannot bore easily occurs, which decreases drilling rod construction
When efficiency, time-consuming, and lifts cement-soil mixing pile machine in order to continuing need for of constructing is overall, so undoubtedly increased construction
Cost.
In order to solve the problems, such as prior art, people have carried out long-term exploration it is proposed that solution miscellaneous
Scheme.For example, Chinese patent literature disclose a kind of five axle cement-soil mixing pile devices and construction method [application number:
201210014492.0], this device includes walking and crawler type main frame, hoist engine, guide rod, steel wire rope, stock inlet, power
Head, change speed gear box, reductor, drilling rod, intermediate support frame, lower support frame, winged drilling rod, anchor ear, Multifunctional drill, mouth spray,
Backstage cement mortar stirring system, described hoist engine and guide rod are fixed on main frame, and described unit head is connected by steel wire rope
Guide rod top pulley, steel wire rope drives unit head oscilaltion, and described unit head passes sequentially through change speed gear box and reductor connects
Five drilling rods, are provided with intermediate support frame in the middle part of five drilling rods, and bottom is provided with lower support frame, and each drilling rod lower end is respectively connected with winged
Drilling rod, described winged drilling rod is provided with anchor ear, and winged drilling rod lower end connects Multifunctional drill, and Multifunctional drill is provided with whitewashing
Mouthful.Such scheme to some extent solves the low problem of existing cement-soil mixing pile machine drilling efficiency, but the program according to
So exist: drilling rod easily cannot bore, boring difficulty is big, the problem of stability difference.
Content of the invention
The purpose of the present invention is for the problems referred to above, provides a kind of simple and reasonable, can prevent drilling rod cannot bore
The drilling rod of dynamic cement mixing method piling machine axially lifts driving structure.
For reaching above-mentioned purpose, present invention employs following technical proposal: the drilling rod axle of this cement mixing method piling machine
To lifting driving structure, including the drive case with inner chamber, it is in vertical direction that described drive case is provided with least one
Setting and the drilling rod body that can circumferentially rotate, described drilling rod body one end is through in drive case it is characterised in that described brill
It is provided between the body of rod and drive case and all can drive brill when drilling rod body is in the state of circumferentially rotating or is in circumferential resting state
The axial actuating mechanism that the body of rod vertically reciprocatingly slides.When running into more hard soil layer or stone in boring, drilling rod
Body is driven and can be difficult to run into the phenomenon that cannot bore so that boring is more prone to, improved with axial stretching by axial actuating mechanism
The efficiency of boring.
Axially lift in driving structure in the drilling rod of above-mentioned cement mixing method piling machine, described axial actuating mechanism
Including the through hole being arranged in drive case, described drilling rod body and is provided between drilling rod body and through hole and can make through in through hole
Drilling rod body is slid axially with through hole the axially directed assembly being connected, and described brill rod end is connected with and can drive drilling rod body along logical
The axially driving assembly that hole axial reciprocating slides.Drilling rod body is driven to slide axially to realize drilling rod body by axially driving assembly
Flexible.
Axially lift in driving structure in the drilling rod of above-mentioned cement mixing method piling machine, described axially directed assembly
Including by circumferentially rotating the spline housing that attachment structure is arranged in through hole, inside described spline housing circumference, there are some axial directions
The gathering sill extending, described drilling rod body outer circumferential is provided with some axially extended guiding raised lines, and described guiding raised line
It is slidably matched with gathering sill.Circumferentially rotate attachment structure due to being provided between spline housing and through hole so that drilling rod body again can week
Can slide axially to rotating again, not interfere with each other between the two.
Axially lift in driving structure in the drilling rod of above-mentioned cement mixing method piling machine, described circumferentially rotates connection
Structure includes some bearings being arranged between spline housing and through hole.
Axially lift in driving structure in the drilling rod of above-mentioned cement mixing method piling machine, the quantity of described bearing is
Two and be correspondingly arranged at the two ends of spline housing respectively.
Axially lift in driving structure in the drilling rod of above-mentioned cement mixing method piling machine, described spline housing is in cylinder
Shape and described spline housing one end has annular boss, and described annular boss one end is against being disposed therein a bearing
On, the other end is arranged with locking nut, and this locking nut is against being arranged on a remaining bearing.Pass through during installation to spend
Key is covered one end and inserts in bearing inner race and by locking nut, spline is set on bearing inner race.
Axially lift in driving structure in the drilling rod of above-mentioned cement mixing method piling machine, described axially driving assembly
Including the supporting frame being arranged in drive case, described supporting frame is provided with lift actuator, and described lifting is driven
It is provided with the rotation that circumferentially rotates of output shaft that can make drilling rod body phase for lift actuator between the output shaft of dynamic device and drilling rod body
Attachment structure.Preferably, it is connected by rotation connection structure between the output shaft of lift actuator here and drilling rod body, so
When drilling rod body is circumferentially rotated, lift actuator will not rotate together with drilling rod body, and bores under the driving of lift actuator
The body of rod slides axially thus realizing flexible in spline housing.
Axially lift in driving structure in the drilling rod of above-mentioned cement mixing method piling machine, described rotation connection structure
Including the bearing block between the output shaft being arranged on lift actuator and drilling rod body, and described bearing block one end is driven with lifting
The output shaft of device is fixedly linked, and the other end is fixedly installed on drilling rod body.
Axially lift in driving structure in the drilling rod of above-mentioned cement mixing method piling machine, described supporting frame includes
The driver installing plate being mutually correspondingly arranged and retainer ring, the output shaft of described lift actuator is installed through driver
Plate, described retainer ring is arranged concentrically with through hole and retainer ring is arranged in drive case, and driver installing plate and retainer ring
Between by the connection strap of some circumferentially distributed settings be connected.
Axially lift in driving structure in the drilling rod of above-mentioned cement mixing method piling machine, the quantity of described drilling rod body
For one and the center through drive case, described drilling rod body outer circumferential be provided with some can with drilling rod body in the same direction and/or
Counter-rotational driven drilling rod.Preferably, drilling rod body here and driven drilling rod in the vertical direction shift to install, and drilling rod body
It is not located along the same line in the projection of vertical direction with the centrage of driven drilling rod, drilling rod body is existed with the centrage of driven drilling rod
The centrage of the drilling rod body that the projection of vertical direction is not located along the same line is sequentially connected formation triangular structure, so increases
The girth of the cement mixing method cross section after construction, improves the breakout capacity of cement mixing method, and each drilling rod body
Shift to install on vertical direction, on the one hand can improve uniformity during stirring, other direction also reduces holes during construction
Difficulty, drive case here is provided with drilling rod driver, and drilling rod driver is circumferentially rotated by driving gear drives drilling rod body,
Drilling rod body is connected with partly driven drilling rod by the first travelling gear so that these driven drilling rods can be synchronous with drilling rod body anti-
To rotation, remaining driven drilling rod pass through the second travelling gear and carrier gear and drilling rod body phase even so that remaining from
Dynamic drilling rod can be rotated with drilling rod body synchronous forward so that stirring is more uniform, and minimizing boring makes counteracting force.
Compared with prior art, the advantage of the drilling rod axial direction lifting driving structure of this cement mixing method piling machine exists
In: when running into more hard soil layer or stone during boring, drilling rod body can be with axial stretching and can be while circumferentially rotating
Slid axially, be difficult to run into the phenomenon that cannot bore so that boring is more prone to, improve the efficiency of boring, increase
The girth of the cement mixing method cross section after construction, improves the breakout capacity of cement mixing method, improves equal during stirring
Even property.
Brief description
Fig. 1 is the structural representation in the present invention.
Fig. 2 is the partial structural diagram in the present invention.
Fig. 3 is the structural representation of drilling rod driver connection status in the present invention.
Fig. 4 is the structural representation of spline housing in the present invention.
Fig. 5 is the structural representation that in the present invention, drilling rod body is distributed with driven drilling rod.
Fig. 6 is another structural representation that in the present invention, drilling rod body is distributed with driven drilling rod.
In figure, drive case 1, drilling rod body 2, axial actuating mechanism 3, through hole 31, spline housing 32, gathering sill 321, guiding are convex
Bar 33, bearing 34, annular boss 35, locking nut 36, supporting frame 37, driver installing plate 371, retainer ring 372, connection strap
373rd, lift actuator 38, bearing block 39, driven drilling rod 4, drilling rod driver 5, driving gear 51, duplicate gear 52, first pass
Moving gear 53, the second travelling gear 54, carrier gear 55.
Specific embodiment
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
As Figure 1-3, the drilling rod of this cement mixing method piling machine axially lifts driving structure, including having inner chamber
Drive case 1, it is in vertical direction setting and the drilling rod body 2 that can circumferentially rotate that drive case 1 is provided with least one, drilling rod body 2
One end, through in drive case 1, is provided between drilling rod body 2 and drive case 1 and is in the state of circumferentially rotating or place when drilling rod body 2
The axial actuating mechanism 3 that drilling rod body 2 vertically reciprocatingly slides all can be driven when circumferential resting state, run in boring
When more hard soil layer or stone, drilling rod body 2 is driven and can be difficult to run into and cannot be bored with axial stretching by axial actuating mechanism 3
Dynamic phenomenon, so that boring is more prone to, improves the efficiency of boring.
Specifically, the axial actuating mechanism 3 in the present embodiment includes the through hole 31 being arranged in drive case 1, drilling rod body 2
And it is provided between drilling rod body 2 and through hole 31 through in through hole 31 and drilling rod body 2 and through hole 31 can be made to slide axially the axial direction being connected
Guidance set, drilling rod body 2 end is connected with the axially driving assembly that drilling rod body 2 can be driven to slide along through hole 31 axial reciprocating, that is,
Drive drilling rod body 2 to slide axially to realize the flexible of drilling rod body 2 by axially driving assembly.Wherein, axially directed group here
Part includes, by circumferentially rotating the spline housing 32 that attachment structure is arranged in through hole 31, thering is some axles inside spline housing 32 circumference
To the gathering sill 321 extending, drilling rod body 2 outer circumferential is provided with some axially extended guiding raised lines 33, and guide raised line 33 with
Gathering sill 321 is slidably matched, due to be provided between spline housing 32 and through hole 31 circumferentially rotate attachment structure so that drilling rod body 2 again
Can circumferentially rotate and can slide axially, not interfere with each other between the two.For example, circumferentially rotating attachment structure and can wrap here
Include two bearings 34 being arranged on the two ends being correspondingly arranged at spline housing 32 between spline housing 32 and through hole 31 and respectively.
Further, the axially driving assembly in the present embodiment includes the supporting frame 37 being arranged in drive case 1,
Support body 37 is provided with to be provided between lift actuator 38, and the output shaft of lift actuator 38 and drilling rod body 2 can make drilling rod body 2
The rotation connection structure that circumferentially rotates with respect to the output shaft of lift actuator 38 is it is preferable that lift actuator 38 here
It is connected so that lift actuator when drilling rod body 2 circumferentially rotates between output shaft and drilling rod body 32 by rotation connection structure
38 will not rotate together with drilling rod body 2, and drilling rod body 2 slides axially in spline housing 32 under the driving of lift actuator 38
Thus realizing flexible.Preferably, rotation connection structure here includes output shaft and the drilling rod body 2 being arranged on lift actuator 38
Between bearing block 39, and bearing block 39 one end is fixedly linked with the output shaft of lift actuator 38, and the other end is fixedly installed on
On drilling rod body 2.
Wherein, supporting frame 37 here includes the driver installing plate 371 being mutually correspondingly arranged and retainer ring 372, rises
The output shaft of fall driver 38 is arranged concentrically and retainer ring 372 through driver installing plate 371, retainer ring 372 and through hole 31
It is arranged in drive case 1, and by the connection of some circumferentially distributed settings between driver installing plate 371 and retainer ring 372
Bar 373 is connected.
As shown in figure 4, spline housing 32 here is cylindrical and spline housing 32 one end has annular boss 35, and convex annular
Platform 35 one end, against being disposed therein on a bearing 34, the other end is arranged with locking nut 36, and this locking nut 36 supports
By being arranged on a remaining bearing 34, by inserting in bearing 34 inner ring by spline housing 32 one end and passing through locking screw during installation
Female 36 spline housing 32 is arranged on bearing 34 inner ring.
As shown in Fig. 2 and Fig. 5-6, the quantity of the drilling rod body 2 in the present embodiment is one and through in drive case 1
The heart, drilling rod body 2 outer circumferential be provided with some can in the same direction and/or counter-rotational driven drilling rod 4 be it is preferable that here with drilling rod body 2
Drilling rod body 2 shift to install with driven drilling rod 4 in the vertical direction, and the centrage of drilling rod body 2 and driven drilling rod 4 is in vertically side
To projection be not located along the same line, the centrage of drilling rod body 2 and driven drilling rod 4 vertical direction projection be not located at same
The centrage of the drilling rod body on straight line is sequentially connected formation triangular structure, which increases the cement mixing method after construction horizontal
The girth in section, improves the breakout capacity of cement mixing method, and shifts to install on each drilling rod body 2 vertical direction, a side
Uniformity during stirring can be improved in face, and other direction also reduces the difficulty holed during construction, and drive case 1 here sets
There is drilling rod driver 5, drilling rod driver 5 drives drilling rod body 2 to circumferentially rotate by driving gear 51, for example, it is possible in drilling rod body 2
Upper sheathed duplicate gear 52, driving gear 51 is meshed with duplicate gear 52, duplicate gear 52 pass through the first travelling gear 53 and
Partly driven drilling rod 4 is connected so that these driven drilling rods 4 can be rotated with drilling rod body 2 synchronous backward, remaining driven drilling rod
4 are connected with carrier gear 55 and duplicate gear 52 so that remaining driven drilling rod 4 can be with brill by the second travelling gear 54
The body of rod 2 synchronous forward rotates so that stirring is more uniform, and minimizing boring makes counteracting force.
The principle of the present embodiment is: a drilling rod body 2 is arranged on middle part, arranges some driven drilling rods in its outer circumferential
4, and drilling rod body 2 shifts to install with each driven drilling rod 4 in the vertical direction so that more uniform when stirring, drilling rod body 2
It is sequentially connected shape with the centrage of driven drilling rod 4 in the centrage of drilling rod body that is not located along the same line of projection of vertical direction
Triangularity structure, which increases the girth of the cement mixing method cross section after construction, improves cement mixing method
Breakout capacity, drilling rod driver 5 drives drilling rod body 2 to circumferentially rotate by driving gear 51, and duplicate gear 52 passes through first and is driven
Gear 53 is connected with partly driven drilling rod 4 so that these driven drilling rods 4 can be rotated with drilling rod body 2 synchronous backward, remaining
Driven drilling rod 4 is connected with carrier gear 55 and duplicate gear 52 by the second travelling gear 54 so that remaining driven brill
Bar 4 can be rotated with drilling rod body 2 synchronous forward so that stirring is more uniform, and minimizing boring makes counteracting force, and is boring
When running into more hard soil layer or stone during hole, drilling rod body 2 is driven by lift actuator 38 can be with axial stretching so that hole
It is more prone to, improves the efficiency of boring, be difficult to run into the phenomenon that cannot bore.
Specific embodiment described herein is only explanation for example to present invention spirit.The affiliated technology of the present invention is led
The technical staff in domain can be made various modifications or supplement or replaced using similar mode to described specific embodiment
Generation, but the spirit without departing from the present invention or surmount scope defined in appended claims.
Although more employ herein drive case 1, drilling rod body 2, axial actuating mechanism 3, through hole 31, spline housing 32,
Gathering sill 321, guiding raised line 33, bearing 34, annular boss 35, locking nut 36, supporting frame 37, driver installing plate 371,
Retainer ring 372, connection strap 373, lift actuator 38, bearing block 39, driven drilling rod 4, drilling rod driver 5, driving gear 51, double
The terms such as connection gear 52, the first travelling gear 53, the second travelling gear 54, carrier gear 55, but be not precluded from using other arts
The probability of language.It is used for the purpose of more easily describing and explaining the essence of the present invention using these terms；It is construed as
Any additional restriction is all contrary with spirit of the present invention.
Claims (7)
1. a kind of drilling rod of cement mixing method piling machine axially lifts driving structure, including the drive case (1) with inner chamber,
It is in vertical direction setting and the drilling rod body (2) that can circumferentially rotate that described drive case (1) is provided with least one, described brill
The body of rod (2) one end is through in drive case (1) it is characterised in that setting between described drilling rod body (2) and drive case (1)
Have and all can drive drilling rod body (2) vertically when drilling rod body (2) is in the state of circumferentially rotating or is in circumferential resting state
The axial actuating mechanism (3) reciprocatingly sliding；Described axial actuating mechanism (3) includes the through hole being arranged in drive case (1)
(31), described drilling rod body (2) is through be provided with can make drilling rod body in through hole (31) and between drilling rod body (2) and through hole (31)
(2) slid axially the axially directed assembly being connected with through hole (31), and described drilling rod body (2) end is connected with and can drive drilling rod body
(2) the axially driving assembly sliding along through hole (31) axial reciprocating；Described axially driving assembly includes being arranged on drive case
(1) supporting frame (37) on, described supporting frame (37) is provided with lift actuator (38), and described lift actuator
(38) it is provided with the output shaft circumference that can make drilling rod body (2) with respect to lift actuator (38) between output shaft and drilling rod body (2)
The rotation connection structure rotating；Described rotation connection structure includes output shaft and the drilling rod body being arranged on lift actuator (38)
(2) bearing block (39) between, and described bearing block (39) one end is fixedly linked with the output shaft of lift actuator (38), separately
One end is fixedly installed on drilling rod body (2).
2. the drilling rod of cement mixing method piling machine according to claim 1 axially lift driving structure it is characterised in that
Described axially directed assembly includes by circumferentially rotating the spline housing (32) that attachment structure is arranged in through hole (31), described
Inside spline housing (32) circumference, there are some axially extended gathering sills (321), described drilling rod body (2) is if outer circumferential is provided with
Do axially extended guiding raised line (33), and described guiding raised line (33) is slidably matched with gathering sill (321).
3. the drilling rod of cement mixing method piling machine according to claim 2 axially lift driving structure it is characterised in that
The described attachment structure that circumferentially rotates includes some bearings (34) being arranged between spline housing (32) and through hole (31).
4. the drilling rod of cement mixing method piling machine according to claim 2 axially lift driving structure it is characterised in that
The quantity of described bearing (34) is two and is correspondingly arranged at the two ends of spline housing (32) respectively.
5. the drilling rod of cement mixing method piling machine according to claim 4 axially lift driving structure it is characterised in that
Cylindrical and described spline housing (32) one end of described spline housing (32) has annular boss (35), and described convex annular
Platform (35) one end, against being disposed therein on a bearing (34), spline housing (32) other end is arranged with locking nut (36),
And this locking nut (36) is against being arranged on a remaining bearing (34).
6. the drilling rod of cement mixing method piling machine according to claim 1 axially lift driving structure it is characterised in that
Described supporting frame (37) includes the driver installing plate (371) being mutually correspondingly arranged and retainer ring (372), described lifting
The output shaft of driver (38) is arranged concentrically through driver installing plate (371), described retainer ring (372) with through hole (31)
And retainer ring (372) is arranged in drive case (1), and pass through some between driver installing plate (371) and retainer ring (372)
The connection strap (373) of circumferentially distributed setting is connected.
7. the drilling rod of cement mixing method piling machine according to claim 1 axially lift driving structure it is characterised in that
The quantity of described drilling rod body (2) is one and the center through drive case (1), described drilling rod body (2) outer circumferential
Be provided with some can with drilling rod body (2) in the same direction and/or counter-rotational driven drilling rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510415164.5A CN105019441B (en) | 2015-07-15 | 2015-07-15 | Axial lifting driving structure for drill rods of pile driver for cement mixing piles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510415164.5A CN105019441B (en) | 2015-07-15 | 2015-07-15 | Axial lifting driving structure for drill rods of pile driver for cement mixing piles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105019441A CN105019441A (en) | 2015-11-04 |
| CN105019441B true CN105019441B (en) | 2017-01-25 |
Family
ID=54409712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510415164.5A Active CN105019441B (en) | 2015-07-15 | 2015-07-15 | Axial lifting driving structure for drill rods of pile driver for cement mixing piles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105019441B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064911B (en) * | 2015-07-15 | 2017-06-23 | 周兆弟 | The movable drilling rod of cement mixing method piling machine |
| CN105545226B (en) * | 2016-01-30 | 2018-03-13 | 周兆弟 | Drill pipe for pile driver lowering or hoisting gear |
| CN113443591B (en) * | 2021-07-19 | 2022-08-30 | 淮北民生矿山机器有限公司 | Rapid installation assembly and method suitable for stirrer of large-diameter stirring tank |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19732479C1 (en) * | 1997-07-29 | 1999-04-08 | Klemm Guenter | Hammer drill |
| CN101240535B (en) * | 2008-03-10 | 2010-07-21 | 徐玉杰 | Single-power bidirectional drilling stirring pile machine |
| CN201771419U (en) * | 2010-06-30 | 2011-03-23 | 张宁 | Pile driver |
| CN103074888A (en) * | 2013-02-04 | 2013-05-01 | 江苏兴厦建筑安装有限公司 | Two-wheel-driven bidirectional heavy-pipe deep stirring ground wall connecting machine |
| CN203383206U (en) * | 2013-08-07 | 2014-01-08 | 上海强劲地基工程股份有限公司 | Multi-shaft cement stirring pile machine |
| CN204059338U (en) * | 2014-07-25 | 2014-12-31 | 彭文 | Novel strong power bidirectional stirring pile machine |
| CN204940259U (en) * | 2015-07-15 | 2016-01-06 | 周兆弟 | The drilling rod of cement mixing method pile driver is axially elevated drives structure |
-
2015
- 2015-07-15 CN CN201510415164.5A patent/CN105019441B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105019441A (en) | 2015-11-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105064911B (en) | The movable drilling rod of cement mixing method piling machine | |
| CN1944939B (en) | Separable driving type sleeve screw drilling rig and its construction method | |
| CN105002896B (en) | The drilling rod distributed architecture of cement mixing method piling machine | |
| CN105002898B (en) | Drill rod rotation driving mechanism of cement soil mixing pile driver | |
| CN105019441B (en) | Axial lifting driving structure for drill rods of pile driver for cement mixing piles | |
| CN102182180B (en) | Rotary extrusion sleeve anchor rod and construction method thereof | |
| CN106869126A (en) | The quick green construction remove device on the waste and old basis in city | |
| CN204849742U (en) | Drilling rod of cement mixing method pile driver rotates actuating mechanism | |
| CN205743733U (en) | Drill rod assemblies for the bored enlarged footing of stake machine | |
| CN105019442B (en) | The drilling rod mounting structure of cement mixing method piling machine | |
| CN204940259U (en) | The drilling rod of cement mixing method pile driver is axially elevated drives structure | |
| CN106320975B (en) | The drilling rod distributed architecture of piling machine | |
| CN106285461B (en) | The drilling rod device of rotation driving of piling machine | |
| CN108661049B (en) | High-efficiency stirring drill bit | |
| CN206267801U (en) | The underlying piling machine of double embrace pressure power | |
| CN204627406U (en) | A kind of hydraulic pressure reaming circulation drilling machine | |
| CN204875767U (en) | Drilling rod mounting structure of cement mixing method pile driver | |
| CN105970914A (en) | Power drive head | |
| CN204851054U (en) | Movable drilling rod of cement mixing method pile driver | |
| CN204825870U (en) | Drilling rod distribution structure of cement mixing method pile driver | |
| CN110359446A (en) | Revolve expanding steel tube pile rotary drilling rig and its construction method | |
| CN109252510A (en) | A kind of construction method of underground continuous wall | |
| CN105926582B (en) | Prefabricated hollow component underground tunneling construction assembly, diaphragm wall and construction method | |
| CN206267791U (en) | The drilling rod device of rotation driving of piling machine | |
| CN108374411A (en) | The dismountable screw pile machine of ultra-deep pile foundation drilling rod and the construction method of ultra-deep stake |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |