CN107354943A - A kind of steel-pipe pile piling equipment and its pile-driving method - Google Patents
A kind of steel-pipe pile piling equipment and its pile-driving method Download PDFInfo
- Publication number
- CN107354943A CN107354943A CN201710810648.9A CN201710810648A CN107354943A CN 107354943 A CN107354943 A CN 107354943A CN 201710810648 A CN201710810648 A CN 201710810648A CN 107354943 A CN107354943 A CN 107354943A
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- pipe pile
- steel
- piling
- platform
- pile body
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/02—Placing by driving
- E02D7/06—Power-driven drivers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/10—Follow-blocks of pile-drivers or like devices
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses a kind of steel-pipe pile piling equipment, it is related to water conservancy, engineering construction field, including steel pipe pile body, the bottom and top of steel pipe pile body are respectively provided with hook, steel pipe pile body is provided with pipe clamp, pipe clamp includes piling platform and anchoring piece, piling platform includes coaxially connected inner core tube and ring-type outer platform, outer platform is located at the top of inner core tube and outer platform is equal with inner core bore, piling platform opening and closing structure and can be provided with fastener one using two halves formula, and bottom of the anchoring piece along inner core tube is circumferentially uniformly distributed.The steel-pipe pile piling equipment reduces the operation height of operating personnel, removes building for piling work platform from, accelerates piling speed, improve efficiency of speedily carrying out rescue work；Due to operating height reduction, therefore operation difficulty also decreases, and can avoid potential safety hazard substantially.
Description
Technical field
The present invention relates to water conservancy, engineering construction field, more particularly to a kind of steel-pipe pile piling equipment and its pile-driving method.
Background technology
In traditional emergency flood fighting, sledgehammer or other weights are typically used by operator（Ramming iron, stone ram）Impact steel-pipe pile
Top, more steel-pipe piles are squeezed into place of being in danger（Crevasse, dam break, landslide etc.）, then by steel-pipe pile, steel pipe by fastener reinforce into
One fixed framework, then earth bag etc. is launched, to contain dykes and dams breach, dykes and dams etc. are reinforced, are removed a hidden danger, so as to complete emergency flood fighting
Operation.
Traditional piling, first, using sledgehammer.Generally by 2-3 names standing steel-pipe pile bottom periphery（It is in danger
Place）, by another 2-3 names pile driver with hand or other instruments by steel-pipe pile righting and stably（It need to stand in the platform more slightly higher than steel-pipe pile
Or on support）In turn using the top of sledgehammer impact steel-pipe pile, make it deeply with up to fixed effect.Advantage is：Method tradition,
Simply, it is easy to implement；Relief materials（Steel pipe, fastener, iron hammer）It is more universal in steel market, it is easy to buying and uses.Shortcoming
It is：During speedily carrying out rescue work, higher is required to job platform or support, and to be reduced with the reduction of steel-pipe pile.It is only stable
Platform or support, when the pile driver is had an effect, outburst is strong, precise and high efficiency.
Second, using ramming iron etc., generally by 4-8 names standing steel-pipe pile bottom periphery（It is in danger place）, wherein 2-
3 operating personnel's hands or other instruments by steel-pipe pile righting and stably, are uphang ramming iron in steel pipe by another 2-5 names operating personnel
Stake top, lift, fall the top for impacting steel-pipe pile by ramming iron for several times, make it deeply with up to fixed effect.Advantage is：
Reduce setting up for platform or support；Method is traditional, easily operated, convenient to implement；Relief materials（Steel pipe, fastener, iron hammer）
More universal in steel market, buying is easy-to-use.Shortcoming is：First, ramming iron is heavier（10-30 kilograms）, lift more than 2 meters
Potential safety hazard highly be present, be difficult to control steadily when falling；Second, when falling, the top of steel-pipe pile is hit, often not in ramming iron
Centre, steel-pipe pile stress is poor.During speedily carrying out rescue work, ramming iron operating personnel around steel-pipe pile easily by The turbulent river crashes its way through,
The unfavorable factors such as underfooting astasia influence, and when lifting ramming iron, easily cause ramming iron and tilt or topple, so that injury operating personnel.
During usual Flood Prevention is speedily carried out rescue work, be in danger place's often inclement condition, and operating personnel's notice is easily by scene and instrument
Influence, disperse energy, so that emergency flood fighting is inefficient, so as to miss the best opportunity of emergency flood fighting.
The content of the invention
The technical problems to be solved by the invention are that conventional steel stake is high to piling job platform requirement, operation is difficult, safety
Hidden danger is big, the shortcomings that overcoming prior art, there is provided a kind of steel-pipe pile piling equipment, operation difficulty when reducing operation and to making
The requirement of industry platform, reduce potential safety hazard.
In order to solve the above technical problems, the present invention provides a kind of steel-pipe pile piling equipment, including steel pipe pile body, steel pipe
The bottom and top of pile body are respectively provided with hook, and steel pipe pile body is provided with pipe clamp, and pipe clamp includes piling platform and anchoring piece, pressure
Stake platform includes coaxially connected inner core tube and ring-type outer platform, and outer platform is located at the top of inner core tube and outer platform and inner core tube
Internal diameter is equal, and piling platform opening and closing structure and can be provided with fastener one using two halves formula, bottom circumference of the anchoring piece along inner core tube
It is uniformly distributed.
Technique effect：The present invention by setting the pipe clamp of replaceable height in steel pipe pile body side, by the use of pipe clamp as
Force part, it is that stress is changed to lateral forces at the top of steel-pipe pile by traditional impact method, so as to reduce the operation of operating personnel height
Degree, removes building for piling work platform from, accelerates piling speed, improve efficiency of speedily carrying out rescue work；Due to operating height reduction, therefore
Operation difficulty also decreases, and can avoid potential safety hazard substantially.
The technical scheme that further limits of the present invention is：
Further, pipe clamp also includes floor, and circumference of the floor along piling platform is uniformly distributed and connects outer platform bottom surface and interior
Core pipe lateral wall.
It is a further object of the present invention to provide a kind of pile-driving method of the timber piling equipment for described in such scheme, bag
Include following steps：
Pipe clamp is arranged on the suitable height in steel pipe pile body by S1, site operation personnel；
S2, the force part with iron hammer impact pipe clamp, i.e. piling platform；
S3, the setting height(from bottom) for changing pipe clamp, drive piles again, so repeatedly, until meeting requirement of speedily carrying out rescue work.
A kind of preceding described steel-pipe pile piling equipment, in addition to hit piece, hit piece include chassis and prestowage, and chassis includes
Center back-up ring and ring-type bearing platform, center back-up ring are located at bearing platform inward flange, and bearing platform is provided with some circumferential along it uniform point
The fixing hole one and gim peg of cloth, chassis opening and closing structure and can be provided with fastener two using two halves formula.
A kind of preceding described steel-pipe pile piling equipment, prestowage are semicircular, and prestowage is provided with the corresponding position of fixing hole one
Fixing hole two.
A kind of preceding described steel-pipe pile piling equipment, be additionally provided with plummer it is some along its circumferential equally distributed handle,
Center back-up ring is provided with some along its circumferential equally distributed anti-sticking bearing.
It is a further object of the present invention to provide a kind of pile-driving method of the timber piling equipment for described in such scheme, bag
Include following steps：
Pipe clamp is arranged on the suitable height in steel pipe pile body by S1, site operation personnel；
S2, hit piece is set in steel pipe pile body；
S3, the handle for the hands catching chassis, lift chassis and prestowage, its is impacted the force part of pipe clamp after freely falling,
That is piling platform, steel pipe pile body is squeezed into place of being in danger；
S4, the setting height(from bottom) for changing pipe clamp, drive piles again, so repeatedly, until meeting requirement of speedily carrying out rescue work.
A kind of preceding described steel-pipe pile piling equipment, steel-pipe pile bodies top are provided with pile cover, and pile cover sidewall symmetry is provided with one
To fixed block, volume has pull rope on fixed block, and one end and the chassis of pull rope are fixed, and the other end is free traction end, position
The hook in top is located at the top of pile cover.
A kind of preceding described steel-pipe pile piling equipment, pile cover include head and cap body, head level located at cap body top and
Its external diameter is more than steel pipe pile body external diameter, and cap body is is sheathed on the intrinsic hollow pipe of steel-pipe pile and its external diameter and steel pipe pile body
Internal diameter is equal, and fixed block is located at head edge.
It is a further object of the present invention to provide a kind of pile-driving method of the timber piling equipment for described in such scheme, bag
Include following steps：
Pipe clamp is arranged on the suitable height in steel pipe pile body by S1, site operation personnel；
S2, hit piece is set in steel pipe pile body；
S3, in steel-pipe pile bodies top pile cover, fixed block and pull rope are installed, one end of two pull ropes is connected with chassis
It is fixed；
S4, chassis and prestowage lifted by the free traction end of pulling traction rope, its is impacted the stress of pipe clamp after freely falling
Position, i.e. piling platform, steel pipe pile body is squeezed into place of being in danger；
S5, the setting height(from bottom) for changing pipe clamp, drive piles again, so repeatedly, until meeting requirement of speedily carrying out rescue work.
The beneficial effects of the invention are as follows：
（1）The present invention, using the conversion between gravitional force and kinetic energy, will use iron hammer and ramming iron according to conservation of mechanical energy principle
Two kinds of piling modes are combined, so as to reduce traditional piling height；
（2）The mode of tradition piling center stressed is changed into lateral parallel stress by the present invention, so as to reduce operating personnel's
Operation height, suitably has an effect；
（3）The pipe clamp height adjustable of the present invention, so that operation height can be always maintained at suitable height, more laborsaving, drop
Low manual operation intensity, piling efficiency improve than traditional piling pattern；
（4）The pipe clamp of the present invention can opening and closing structure, convenient installation and dismounting using two halves formula；
（5）The pipe clamp of the present invention adds floor, is advantageous to strengthen its bearing capacity and structural strength, improves its structural stability；
（6）The chassis and prestowage of the present invention uses two-half structure, is easy for installation and removal；
（7）The present invention is respectively provided with hook in the pile crown and stake tail of steel-pipe pile, and the hook at pile crown is advantageous to steel-pipe pile when driving piles
The propulsion of body, and the hook at stake tail can be used as being lifted when removing.
Brief description of the drawings
Fig. 1 is the overall structure diagram of embodiment 1；
Fig. 2 is the pipe clamp top view of embodiment 1；
Fig. 3 is the pipe clamp front view of embodiment 1；
Fig. 4 is the overall structure diagram of embodiment 2；
Fig. 5 is the hit piece top view of embodiment 2；
Fig. 6 is the prestowage schematic diagram of embodiment 2；
Fig. 7 is the overall structure diagram of embodiment 3；
Fig. 8 is the pile cover top view of embodiment 3；
Fig. 9 is the pile cover sectional view of embodiment 3；
Figure 10 helps an aid schematic diagram for embodiment 1-3's；
Wherein：1- steel pipe pile bodies；101st, link up with；2- pipe clamps；201- piling platforms；2011- inner core tubes；2012- outer platforms；
2013- fasteners one；202- fixing tooths；203- floors；3- hit pieces；301- chassis；3011- centers back-up ring；3012- load-bearing
Platform；3013- fixing holes one；3014- gim pegs；3015- fasteners two；3016- handles；3017- anti-sticking bearings；302- prestowages；
3021- fixing holes two；4- pile covers；401- heads；402- cap bodies；5- fixed blocks；6- pull ropes；7- helps an aid.
Embodiment
Embodiment 1
A kind of steel-pipe pile piling equipment that the present embodiment provides, structure is as shown in Fig. 1-3,10.
The device includes steel pipe pile body 1, and the bottom and top of steel pipe pile body 1 are respectively provided with hook 101, steel pipe pile body
1 is provided with pipe clamp 2.
Pipe clamp 2 includes piling platform 201 and anchoring piece 202.Piling platform 201 includes the coaxially connected He of inner core tube 2011
Ring-type outer platform 2012, outer platform 2012 is located at the top of inner core tube 2011 and outer platform 2012 and the internal diameter phase of inner core tube 2011
Fastener 1 opening and closing structure and can be provided with using two halves formula Deng, piling platform 201.Anchoring piece 202 uses anchor bolt, edge
The bottom of inner core tube 2011 is circumferentially uniformly distributed.
Pipe clamp 2 also includes floor 203, and circumference of the floor 203 along piling platform 201 is uniformly distributed and connects outer platform 2012
Bottom surface and the lateral wall of inner core tube 2011.
Using the pile-driving method of said apparatus, comprise the following steps：
S1, site operation personnel by helping an aid 7 to help steel pipe pile body 1 directly, then are pacified pipe clamp 2 by other people by two people
Suitable height in steel pipe pile body 1；
S2, two people impact the force part of pipe clamp 2, i.e. piling platform 201 with iron hammer；
S3, the setting height(from bottom) for changing pipe clamp 2, drive piles again, so repeatedly, until meeting requirement of speedily carrying out rescue work.
Embodiment 2
A kind of steel-pipe pile piling equipment that the present embodiment provides, structure is as shown in Fig. 4-6,10.
The present embodiment and the difference of embodiment 1 are that the device also includes hit piece 3.
Hit piece 3 includes chassis 301 and prestowage 302.Chassis 301 includes center back-up ring 3011 and ring-type bearing platform 3012,
Center back-up ring 3011 is located at the inward flange of bearing platform 3012, and bearing platform 3012 is provided with some along its circumferential equally distributed fixing hole
One 3013 and gim peg 3014, chassis 301 opening and closing structure and can be provided with fastener 2 3015 using two halves formula, also be set on plummer
Have some along its circumferential equally distributed handle 3016, center back-up ring 3011 is provided with some along its circumferential equally distributed anti-sticking
Bearing 3017.Prestowage 302 is semicircular, and prestowage 302 is provided with the fixing hole 2 3021 of the corresponding position of fixing hole 1.
Using the pile-driving method of said apparatus, comprise the following steps：
S1, site operation personnel by helping an aid 7 to help steel pipe pile body 1 directly, then are pacified pipe clamp 2 by other people by two people
Suitable height in steel pipe pile body 1；
S2, hit piece 3 is set in steel pipe pile body 1；
S3, two people with the hands catch the handle 3016 on chassis 301, lift chassis 301 and prestowage 302, its is hit after freely falling
The force part of pipe clamp 2, i.e. piling platform 201 are beaten, steel pipe pile body 1 is squeezed into place of being in danger；
S4, the setting height(from bottom) for changing pipe clamp 2, drive piles again, so repeatedly, until meeting requirement of speedily carrying out rescue work.
Embodiment 3
A kind of steel-pipe pile piling equipment that the present embodiment provides, structure is as is seen in figs 7-10.
The present embodiment and the difference of embodiment 2 are that the top of steel pipe pile body 1 is provided with pile cover 4, the extension above
For hook 101 located at the top of pile cover 4, pile cover 4 includes head 401 and cap body 402, and head 401 is horizontal outside the top of cap body 402 and its
Footpath is more than the external diameter of steel pipe pile body 1, and cap body 402 is the hollow pipe and its external diameter and steel-pipe pile sheet being sheathed in steel pipe pile body 1
The internal diameter of body 1 is equal.The sidewall symmetry of pile cover 4 is provided with a pair of fixed blocks 5, and being rolled up on fixed block 5 has pull rope 6, and the one of pull rope 6
End is fixed with chassis 301, and the other end is free traction end.
Using the pile-driving method of said apparatus, comprise the following steps：
S1, site operation personnel by helping an aid 7 to help steel pipe pile body 1 directly, then are pacified pipe clamp 2 by other people by two people
Suitable height in steel pipe pile body 1；
S2, hit piece 3 is set in steel pipe pile body 1；
S3, installation pile cover 4, fixed block 5 and pull rope 6 at the top of steel pipe pile body 1, by one end and bottom of two pull ropes 6
Disk 301 is connected；
S4, two people lift chassis 301 and prestowage 302 by the free traction end of pulling traction rope 6, its is impacted after freely falling
The force part of pipe clamp 2, i.e. piling platform 201, steel pipe pile body 1 is squeezed into place of being in danger；
S5, the setting height(from bottom) for changing pipe clamp 2, drive piles again, so repeatedly, until meeting requirement of speedily carrying out rescue work.
When actually driving piles, operating personnel can flexibly select piling mode, first, the height that can select suitably to have an effect will
Pipe clamp 2 is arranged in steel pipe pile body 1, and the force part of pipe clamp 2 is impacted with iron hammer；Hit second, being installed again after pipe clamp 2 is installed
Piece 3, the handle 3016 of chassis 301 is with the hands caught, lift chassis 301 and prestowage 302 allows its freely to fall, impact pipe clamp 2；Three
When being current two schemes DeGrain, pile cover 4, fixed block 5 and pull rope 6 can be installed, increase prestowage 302, with leading
Messenger 6 makes its freely fall after improving chassis 301 and prestowage 302, impacts pipe clamp 2.Then the setting height(from bottom) of pipe clamp 2 is changed,
Repeatedly piling, so repeatedly, until meeting requirement of speedily carrying out rescue work.
In addition to the implementation, the present invention can also have other embodiment.It is all to use equivalent substitution or equivalent transformation shape
Into technical scheme, all fall within the protection domains of application claims.
Claims (10)
1. a kind of steel-pipe pile piling equipment, including steel pipe pile body（1）, it is characterised in that：The steel pipe pile body（1）Bottom
Hook is respectively provided with top（101）, the steel pipe pile body（1）It is provided with pipe clamp（2）, the pipe clamp（2）Including piling platform
（201）And anchoring piece（202）, the piling platform（201）Including coaxially connected inner core tube（2011）With ring-type outer platform
（2012）, the outer platform（2012）Located at inner core tube（2011）Top and outer platform（2012）With inner core tube（2011）Internal diameter
It is equal, the piling platform（201）Fastener one opening and closing structure and can be provided with using two halves formula（2013）, the anchoring piece
（202）Along inner core tube（2011）Bottom be circumferentially uniformly distributed.
A kind of 2. steel-pipe pile piling equipment according to claim 1, it is characterised in that：The pipe clamp（2）Also include floor
（203）, the floor（203）Along piling platform（201）Circumference be uniformly distributed and connect outer platform（2012）Bottom surface and inner core
Pipe（2011）Lateral wall.
A kind of 3. steel-pipe pile piling equipment according to claim 1, it is characterised in that：Also include hit piece（3）, it is described to hit
Piece（3）Including chassis（301）And prestowage（302）, the chassis（301）Including center back-up ring（3011）With ring-type bearing platform
（3012）, the center back-up ring（3011）Located at bearing platform（3012）Inward flange, the bearing platform（3012）It is provided with some edges
Its circumferential equally distributed fixing hole one（3013）And gim peg（3014）, the chassis（301）Knot can be opened and closed using two halves formula
Structure is simultaneously provided with fastener two（3015）.
A kind of 4. steel-pipe pile piling equipment according to claim 3, it is characterised in that：The prestowage（302）For semicircular,
The prestowage（302）It is provided with corresponding fixing hole one（3013）The fixing hole two of position（3021）.
A kind of 5. steel-pipe pile piling equipment according to claim 4, it is characterised in that：It is additionally provided with the plummer some
Along its circumferential equally distributed handle（3016）, the center back-up ring（3011）It is provided with some circumferential equally distributed anti-along it
Axis is held（3017）.
A kind of 6. steel-pipe pile piling equipment according to claim 3, it is characterised in that：The steel pipe pile body（1）Top
Provided with pile cover（4）, the pile cover（4）Sidewall symmetry is provided with a pair of fixed blocks（5）, the fixed block（5）Upper volume has traction
Rope（6）, the pull rope（6）One end and chassis（301）Fixed, the other end is free traction end, the extension above
Hook（101）Located at pile cover（4）Top.
A kind of 7. steel-pipe pile piling equipment according to claim 6, it is characterised in that：The pile cover（4）Including head
（401）And cap body（402）, the head（401）Level is located at cap body（402）Top and its external diameter is more than steel pipe pile body（1）
External diameter, the cap body（402）To be sheathed on steel pipe pile body（1）Interior hollow pipe and its external diameter and steel pipe pile body（1）Internal diameter
It is equal, the fixed block（5）Located at head（401）Edge.
A kind of 8. pile-driving method for steel-pipe pile piling equipment as claimed in claim 2, it is characterised in that：Including following step
Suddenly：
S1, site operation personnel are by the pipe clamp（2）Installed in the steel pipe pile body（1）On suitable height；
S2, with iron hammer impact the pipe clamp（2）Force part, i.e., described piling platform（201）；
S3, change the pipe clamp（2）Setting height(from bottom), drive piles again, so repeatedly, until meeting to speedily carry out rescue work requirement.
A kind of 9. pile-driving method for steel-pipe pile piling equipment as claimed in claim 5, it is characterised in that：Including following step
Suddenly：
S1, site operation personnel are by the pipe clamp（2）Installed in the steel pipe pile body（1）On suitable height；
S2, by the hit piece（3）It is set in the steel pipe pile body（1）On；
S3, with the hands catch the chassis（301）Handle（3016）, lift the chassis（301）And prestowage（302）, make it
The pipe clamp is impacted after freely falling（2）Force part, i.e., described piling platform（201）, by the steel pipe pile body（1）Beat
Enter place of being in danger；
S4, change the pipe clamp（2）Setting height(from bottom), drive piles again, so repeatedly, until meeting to speedily carry out rescue work requirement.
A kind of 10. pile-driving method for steel-pipe pile piling equipment as claimed in claim 7, it is characterised in that：Including following
Step：
S1, site operation personnel are by the pipe clamp（2）Installed in the steel pipe pile body（1）On suitable height；
S2, by the hit piece（3）It is set in the steel pipe pile body（1）On；
S3, in the steel pipe pile body（1）Top is installed by the pile cover（4）, fixed block（5）And pull rope（6）, by two institutes
State pull rope（6）One end and the chassis（301）It is connected；
S4, by pulling the pull rope（6）Free traction end lift the chassis（301）And prestowage（302）, make its freedom
The pipe clamp is impacted after falling（2）Force part, i.e., described piling platform（201）, by the steel pipe pile body（1）Squeeze into out
At danger；
S5, change the pipe clamp（2）Setting height(from bottom), drive piles again, so repeatedly, until meeting to speedily carry out rescue work requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710810648.9A CN107354943A (en) | 2017-09-11 | 2017-09-11 | A kind of steel-pipe pile piling equipment and its pile-driving method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710810648.9A CN107354943A (en) | 2017-09-11 | 2017-09-11 | A kind of steel-pipe pile piling equipment and its pile-driving method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107354943A true CN107354943A (en) | 2017-11-17 |
Family
ID=60291422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710810648.9A Pending CN107354943A (en) | 2017-09-11 | 2017-09-11 | A kind of steel-pipe pile piling equipment and its pile-driving method |
Country Status (1)
| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101435196A (en) * | 2008-11-15 | 2009-05-20 | 李新民 | Piling machine |
| CN102280722A (en) * | 2011-05-10 | 2011-12-14 | 江苏省华建建设股份有限公司 | Equipotential bridging clamp of building metal pipeline and usage method thereof |
| CN202390835U (en) * | 2011-11-24 | 2012-08-22 | 中建三局第一建设工程有限责任公司 | Novel artificial pile hammer |
| CN207376619U (en) * | 2017-09-11 | 2018-05-18 | 朱思齐 | A kind of steel-pipe pile piling equipment |
-
2017
- 2017-09-11 CN CN201710810648.9A patent/CN107354943A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101435196A (en) * | 2008-11-15 | 2009-05-20 | 李新民 | Piling machine |
| CN102280722A (en) * | 2011-05-10 | 2011-12-14 | 江苏省华建建设股份有限公司 | Equipotential bridging clamp of building metal pipeline and usage method thereof |
| CN202390835U (en) * | 2011-11-24 | 2012-08-22 | 中建三局第一建设工程有限责任公司 | Novel artificial pile hammer |
| CN207376619U (en) * | 2017-09-11 | 2018-05-18 | 朱思齐 | A kind of steel-pipe pile piling equipment |
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Application publication date: 20171117 |
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| RJ01 | Rejection of invention patent application after publication |