CN106351579A - Moving portable piling machine - Google Patents
Moving portable piling machine Download PDFInfo
- Publication number
- CN106351579A CN106351579A CN201610893068.6A CN201610893068A CN106351579A CN 106351579 A CN106351579 A CN 106351579A CN 201610893068 A CN201610893068 A CN 201610893068A CN 106351579 A CN106351579 A CN 106351579A
- Authority
- CN
- China
- Prior art keywords
- drill rod
- frame
- pipe
- support frame
- motor
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- 230000000712 assembly Effects 0.000 claims description 40
- 238000000429 assembly Methods 0.000 claims description 40
- 238000005553 drilling Methods 0.000 claims description 24
- 238000013016 damping Methods 0.000 claims description 7
- 230000001737 promoting effect Effects 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 239000003638 chemical reducing agent Substances 0.000 abstract description 4
- 239000000872 buffer Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000006173 Good's buffer Substances 0.000 description 1
- 244000273256 Phragmites communis Species 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/22—Rods or pipes with helical structure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/084—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with flexible drawing means, e.g. cables
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a moving portable piling machine, which comprises a machine frame, a drill rod support frame, a drill rod assembly, a motor support frame and a cross beam, wherein the drill rod support frame is arranged at the left side of the machine frame; a windlass is arranged above the machine frame; wheels are arranged at the bottom of the machine frame; hydraulic support feet are arranged at the front end and the rear end of the machine frame; a slide rail is arranged on the drill rod support frame; the drill rod assembly is arranged on the drill rod support frame; the upper end of the drill rod assembly is provided with the motor support frame; a motor is arranged in the motor support frame; the motor is in driving connection with a reducer; the reducer is in driving connection with the drill rod assembly; a bearing assembly is arranged between the reducer and the drill rod assembly; the top of the motor support frame is provided with a connecting ring used for being connected with a steel twisted wire; the cross beam is arranged on the top of the drill rod support frame; a pulley is arranged on the cross beam; a hook connected with the connecting ring is arranged on the pulley. The moving portable piling machine has the advantages that the time is saved; the efficiency is improved; damage cannot easily occur; the structure is simple; the manufacturing cost is low; the buffer effect is good; the protection effect is good; the service life is prolonged.
Description
Technical field
The present invention relates to a kind of Mobile portable formula piling machine, specifically a kind of Mobile portable formula piling machine.
Background technology
Building is that people use all utilizable materials such as soil, stone, wood, steel, glass, phragmites communiss, plastics, ice cube, builds
Structures；On construction site when needing piling, generally require special rig, so cause work inconvenience, simultaneously
Improve job costs；
Screw pile driver is a kind of by the unit head drive pile driving equipment to drifter drill for underground pore-forming for the drill rod assemblies, screw pile driver
Two parts: frame and drill rod assemblies can be divided into, frame is provided with hoist engine, rack for rods, drill rod assemblies include motor, subtract
Fast machine, reductor is connected with drilling rod, and drill bit is installed in drilling rod lower end, and drilling rod vertically can slide up and down along the slide rail on rack for rods,
Steel strand wires on hoist engine are connected with drill rod assemblies napex, so as to control the lifting of drilling rod；
But in prior art, drilling rod upper end is all generally directly admittedly to be connected enough with the output shaft of reductor by shaft coupling, bore
On bar, drill bit contacts with ground that boring moment can produce a larger axial force, drilling rod is axially persistently subject in boring procedure
Power, the output shaft that this active force is directly passed to reductor produces impact to reductor, between output shaft and reducer shell
Sealing was easily lost efficacy and led to sealing property to decline, thus leading to reductor oil leak, and then reductor internal gear lubricates, and aggravation subtracts
Fast machine internal tooth foot wheel abrasion, the final service life reducing reductor.
Content of the invention
It is an object of the invention to provide a kind of time-consuming, improve efficiency it is not easy to damage, structure is simple, is fabricated to
This low, good buffer effect, protective effect is good, and the Mobile portable formula piling machine of long service life, to solve in above-mentioned background technology
The problem proposing.
For achieving the above object, the following technical scheme of present invention offer:
A kind of Mobile portable formula piling machine, including frame, drill rod rack, drill rod assemblies, electric machine support and crossbeam；Described frame is left
Side is provided with drill rod rack, is provided with hoist engine above frame, and the bottom of frame is provided with wheel, and the rear and front end of frame is equipped with hydraulic pressure
Support feet；Described drill rod rack is provided with slide rail, and drill rod rack is provided with drill rod assemblies；Described drill rod assemblies include boring
Bar, promotion pipe, promotion sleeve pipe, screw rod and augers；Described drilling rod is hollow structure, promotes on pipe lower end insertion drilling rod
Portion, promotes and is provided with flexible member between tube end cap and drill rod end；Described screw rod is located in drilling rod, and promote casing pipe sleeve located at
Outside screw rod, the upper end of pipe box is promoted to be fixedly connected with the lower end promoting pipe；Described promotion sleeve pipe is provided with thrust bearing, pushes away
Power bearing is provided with two altogether, and thrust bearing is respectively arranged on upper end, the lower end promoting sleeve pipe；Described augers be located at drilling rod under
Side, augers connects the lower end of screw rod, and augers is provided with unilateral bearing, and screw rod connects spiral shell by unilateral bearing
Rotary drill；Described drill rod assemblies upper end does not have electric machine support, is provided with motor in electric machine support, and Motor drive connects reductor, and
Reductor drive connection drill rod assemblies, wherein, are provided with bearing assembly between reductor and drill rod assemblies；Described electric machine support
Top is provided with the connection ring for connecting with steel strand wires, and the top of drill rod rack is provided with crossbeam, and crossbeam is provided with pulley, on pulley
It is provided with the hook being connected with connection ring；It is provided with cable wire, cable wire is bypassed pulley and is fixedly connected with crossbeam above described hoist engine, and
The upside of crossbeam is provided with damping cylinder；It is provided with the slide block being connected with slide rail in the side of described electric machine support.
Further: described flexible member is high pressure spring.
Further: described promotion internal surface of sleeve pipe is provided with the screw thread matching with screw rod.
Compared with prior art, the invention has the beneficial effects as follows:
1st, in the present invention, promote pipe to act on promotion pipe box, promote pipe box to move in vertical direction along inside drilling rod, promote set
When pipe is mobile, drive screw rod to rotate, and then drive augers to rotate, wherein, the guarantee augers edge of unilateral bearing
A direction to rotate；When drill rod assemblies rise, flexible member will promote pipe to pop into position, and a workflow is complete
Become；When drill rod assemblies fall again, carry out second workflow；Wherein, drill rod assemblies are downward always, pierce lithosphere,
Drill rod assemblies easily can pierce lithosphere it is ensured that drill rod assemblies pierce the depth of lithosphere, save the working time, improve
, it is not easy to damage drilling rod, structure is simple, low manufacture cost for work efficiency.
2nd, in the present invention, when electric machine support rises to the top, the axle of damping cylinder contacts support with electric machine support, resistance
Buddhist nun's cylinder plays buffer limit effect when electric machine support rises to top, can reduce the impact to drill rod rack for the electric machine support, if
In hoist engine wrapup procedure, when being out of order in hoist engine and leading to electric machine support to continue to rise to after top, the work of damping cylinder
With extremely important.
3rd, in the present invention, electric machine support is connected with the hook on pulley by connection ring, the cable wire scaling on hoist engine, control
Drill rod assemblies processed slide up and down along slide rail, when needing pile hole, first hydraulic supporting feet are propped up so that wheel and ground emaciated face
From, then open motor, control drill rod assemblies to drop to by hoist engine and contact with ground, carry out driving piles, hole, meanwhile, logical
Cross the decentralization that hoist engine adjusts cable wire, and control stake holes depth, when depth reaches requirement, motor cuts out, then passes through hoist engine
Control drill rod assemblies to rise, complete to drive piles；During pile hole, drill rod assemblies axial force acts on electric machine support
On, and active force then will not be subject on the output shaft of reductor, thus playing a protective role to reductor, effectively prevent axial work
Firmly it is directly passed to reductor, reductor is played a protective role, improve the overall service life of equipment.
Brief description
Fig. 1 is the structural representation of Mobile portable formula piling machine.
Fig. 2 is the structural representation of drill rod assemblies in Mobile portable formula piling machine.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Refer to Fig. 1～2, in the embodiment of the present invention, a kind of Mobile portable formula piling machine, including frame 1, drill rod rack 2,
Drill rod assemblies 6, electric machine support 8 and crossbeam 13；It is provided with drill rod rack 2 on the left of described frame 1, above frame 1, be provided with hoist engine 5,
The bottom of frame 1 is provided with wheel 3, and the rear and front end of frame 1 is equipped with hydraulic supporting feet 7；Described drill rod rack 2 is provided with cunning
Rail 4, and drill rod rack 2 is provided with drill rod assemblies 6；Described drill rod assemblies 6 include drilling rod 61, promote pipe 63, promote sleeve pipe 64, spiral shell
Swing arm 65 and augers 66；Described drilling rod 61 is hollow structure, promotes pipe 63 lower end insertion drilling rod 61 top, promotes pipe 63 end
It is provided with flexible member 62, wherein, flexible member 62 is high pressure spring between cap and drilling rod 61 end；Described screw rod 65 is located at brill
In bar 61, and promote sleeve pipe 64 to be sheathed on outside screw rod 65, wherein, promote sleeve pipe 64 inwall to be provided with and match with screw rod 65
Screw thread, and promote pipe box 14 upper end with promotion pipe 63 lower end be fixedly connected；Described promotion sleeve pipe 64 is provided with thrust axis
Hold 67, thrust bearing 67 is provided with two altogether, thrust bearing 67 is respectively arranged on upper end, the lower end promoting sleeve pipe 64；Described auger
66 are located at drilling rod 61 bottom, and augers 66 connects the lower end of screw rod 65, and augers 66 is provided with unilateral bearing 68,
And screw rod 65 connects augers 66 by unilateral bearing 68；In work, promote pipe 63 to act on promotion pipe box 14, promote pipe
Set 14 moves in vertical direction along inside drilling rod 61, when promoting sleeve pipe 64 mobile, drives screw rod 65 to rotate, and then drives spiral shell
Rotary drill 66 rotates, and wherein, the guarantee augers 66 of unilateral bearing 68 rotates only along a direction；When in drill rod assemblies 6
When liter, flexible member 62 will promote pipe 63 to pop into position, and a workflow completes；When drill rod assemblies 6 fall again,
Carry out second workflow；Wherein, drill rod assemblies 6 are downward always, pierce lithosphere, drill rod assemblies 6 can easily pierce
Lithosphere, it is ensured that drill rod assemblies 6 pierce the depth of lithosphere, saves the working time, improves work efficiency and bores it is not easy to damage
Bar 61, structure is simple, low manufacture cost；Described drill rod assemblies 6 upper end does not have electric machine support 8, is provided with motor 9 in electric machine support 8,
Motor 9 drive connection reductor 10, and reductor 10 drive connection drill rod assemblies 6, wherein, in reductor 10 and drill rod assemblies 6
Between be provided with bearing assembly 11；The top of described electric machine support 8 is provided with the connection ring 17 for connecting, drill rod rack with steel strand wires
2 top is provided with crossbeam 13, and crossbeam 13 is provided with pulley 12, and pulley 12 is provided with the hook being connected with connection ring 17；Described volume
Raise and above machine 5, be provided with cable wire 15, cable wire 15 is bypassed pulley 12 and is fixedly connected with crossbeam 13, and the upside of crossbeam 13 is provided with damping
Cylinder 16；In work, when electric machine support 8 rises to the top, the axle of damping cylinder 16 contacts support with electric machine support 8, resistance
Buddhist nun's cylinder 16 plays buffer limit effect when electric machine support 8 rises to top, can reduce electric machine support 8 rushing to drill rod rack 2
Hit, if in hoist engine 5 wrapup procedure, when being out of order in hoist engine 5 and leading to electric machine support 8 to continue to rise to after top, damping
The effect of cylinder 16 is extremely important；It is provided with the slide block 14 being connected with slide rail 4 in the side of described electric machine support 8；In work, motor
Support 8 is connected with the hook on pulley 12 by connection ring 17, and the cable wire 15 on hoist engine 5 scales, control drill rod assemblies 6 along
Slide rail 4 slides up and down, and when needing pile hole, first hydraulic supporting feet 7 is propped up so that wheel 3 is departed from ground, then opens
Motor 9, is controlled drill rod assemblies 6 to drop to by hoist engine 5 and is contacted with ground, carry out driving piles, hole, meanwhile, by hoist engine 5
The decentralization of adjustment cable wire 15, and control stake holes depth, when depth reaches requirement, motor 9 cuts out, then is controlled by hoist engine 5
Drill rod assemblies 6 rise, and complete to drive piles；During pile hole, drill rod assemblies 6 axial force acts on electric machine support 8,
And active force then will not be subject on the output shaft of reductor 10, thus playing a protective role to reductor 10, effectively prevent axial direction
Active force is directly passed to reductor 10, and reductor 10 is played a protective role, and improves the overall service life of equipment.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as limiting involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment only wraps
Containing an independent technical scheme, only for clarity, those skilled in the art should for this narrating mode of description
Using description as an entirety, the technical scheme in each embodiment can also form those skilled in the art through appropriately combined
Understandable other embodiment.
Claims (3)
1. a kind of Mobile portable formula piling machine, including frame (1), drill rod rack (2), drill rod assemblies (6), electric machine support (8) and
Crossbeam (13)；It is characterized in that, it is provided with drill rod rack (2) on the left of described frame (1), above frame (1), be provided with hoist engine (5),
The bottom of frame (1) is provided with wheel (3), and the rear and front end of frame (1) is equipped with hydraulic supporting feet (7)；In described drill rod rack
(2) it is provided with slide rail (4), and drill rod rack (2) is provided with drill rod assemblies (6)；Described drill rod assemblies (6) inclusion drilling rod (61),
Promote pipe (63), promote sleeve pipe (64), screw rod (65) and augers (66)；Described drilling rod (61) is hollow structure, promotes
Pipe (63) lower end insertion drilling rod (61) top, promotes and is provided with flexible member (62) between pipe (63) end cap and drilling rod (61) end；
Described screw rod (65) is located in drilling rod (61), and promotes sleeve pipe (64) to be sheathed on outside screw rod (65), promotes pipe box (64)
Upper end with promote pipe (63) lower end be fixedly connected；Described promotion sleeve pipe (64) is provided with thrust bearing (67), thrust bearing
(67) it is provided with two altogether, thrust bearing (67) is respectively arranged on upper end, the lower end promoting sleeve pipe (64)；Described augers (66) sets
In drilling rod (61) bottom, augers (66) connects the lower end of screw rod (65), and augers (66) is provided with unilateral bearing
(68), and screw rod (65) by unilateral bearing (68) connect augers (66)；Described drill rod assemblies (6) upper end does not have motor
Support (8), is provided with motor (9), motor (9) drive connection reductor (10), and reductor (10) and drives even in electric machine support (8)
Stacks assembly (6), wherein, is provided with bearing assembly (11) between reductor (10) and drill rod assemblies (6)；Described electric machine support
(8) top is provided with the connection ring (17) for connecting with steel strand wires, and the top of drill rod rack (2) is provided with crossbeam (13), crossbeam
(13) it is provided with pulley (12), pulley (12) is provided with the hook being connected with connection ring (17)；Arrange above described hoist engine (5)
There is cable wire (15), cable wire (15) is bypassed pulley (12) and is fixedly connected with crossbeam (13), and the upside of crossbeam (13) is provided with damping gas
Cylinder (16)；It is provided with the slide block (14) being connected with slide rail (4) in the side of described electric machine support (8).
2. Mobile portable formula piling machine according to claim 1 is it is characterised in that described flexible member (62) is bomb
Spring.
3. Mobile portable formula piling machine according to claim 1 is it is characterised in that described promotion sleeve pipe (64) inwall is provided with
The screw thread matching with screw rod (65).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610893068.6A CN106351579A (en) | 2016-10-13 | 2016-10-13 | Moving portable piling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610893068.6A CN106351579A (en) | 2016-10-13 | 2016-10-13 | Moving portable piling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106351579A true CN106351579A (en) | 2017-01-25 |
Family
ID=57866529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610893068.6A Pending CN106351579A (en) | 2016-10-13 | 2016-10-13 | Moving portable piling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106351579A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108755684A (en) * | 2018-04-28 | 2018-11-06 | 嘉兴涌锦服饰有限公司 | The pile pulling system of piling machine |
| CN115045614A (en) * | 2022-08-15 | 2022-09-13 | 徐州融河机械制造有限公司 | Mine hole wall mining vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7308946B2 (en) * | 2002-04-04 | 2007-12-18 | Gedalyahu Manor | Method of cleaning hole diggers and spot cultivators and hole digger cleaning device |
| CN202031477U (en) * | 2011-03-20 | 2011-11-09 | 王保瑞 | Hydraulic power foundation drilling machine |
| CN202202320U (en) * | 2011-08-09 | 2012-04-25 | 安徽省阜阳市楚工机械有限公司 | Tricycle type vehicle-mounted spiral pile driver |
| CN203716845U (en) * | 2014-02-19 | 2014-07-16 | 湖南科技大学 | Portable controllable vertical drilling machine |
| CN104863525A (en) * | 2015-06-10 | 2015-08-26 | 马妮 | Deep-hole spiral pile hammer |
| CN204715346U (en) * | 2015-04-14 | 2015-10-21 | 中机国能电力工程有限公司 | A kind of prestressed pile with augers |
-
2016
- 2016-10-13 CN CN201610893068.6A patent/CN106351579A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7308946B2 (en) * | 2002-04-04 | 2007-12-18 | Gedalyahu Manor | Method of cleaning hole diggers and spot cultivators and hole digger cleaning device |
| CN202031477U (en) * | 2011-03-20 | 2011-11-09 | 王保瑞 | Hydraulic power foundation drilling machine |
| CN202202320U (en) * | 2011-08-09 | 2012-04-25 | 安徽省阜阳市楚工机械有限公司 | Tricycle type vehicle-mounted spiral pile driver |
| CN203716845U (en) * | 2014-02-19 | 2014-07-16 | 湖南科技大学 | Portable controllable vertical drilling machine |
| CN204715346U (en) * | 2015-04-14 | 2015-10-21 | 中机国能电力工程有限公司 | A kind of prestressed pile with augers |
| CN104863525A (en) * | 2015-06-10 | 2015-08-26 | 马妮 | Deep-hole spiral pile hammer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108755684A (en) * | 2018-04-28 | 2018-11-06 | 嘉兴涌锦服饰有限公司 | The pile pulling system of piling machine |
| CN115045614A (en) * | 2022-08-15 | 2022-09-13 | 徐州融河机械制造有限公司 | Mine hole wall mining vehicle |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170125 |
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| RJ01 | Rejection of invention patent application after publication |