CN201074340Y - Pile-drawing machine - Google Patents

Pile-drawing machine Download PDF

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Publication number
CN201074340Y
CN201074340Y CNU2007200432138U CN200720043213U CN201074340Y CN 201074340 Y CN201074340 Y CN 201074340Y CN U2007200432138 U CNU2007200432138 U CN U2007200432138U CN 200720043213 U CN200720043213 U CN 200720043213U CN 201074340 Y CN201074340 Y CN 201074340Y
Authority
CN
China
Prior art keywords
pipe
sleeve
sleeve pipe
chong channel
ascending adversely
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.)
Expired - Fee Related
Application number
CNU2007200432138U
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Chinese (zh)
Inventor
陈林钊
周长忠
裘慰伦
谢兴楠
程知言
邹宝祥
赵超
胡光云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGSU EAST CHINA CONSTRUCTION BASE ENGINEERING PARENT Co
Original Assignee
JIANGSU EAST CHINA CONSTRUCTION BASE ENGINEERING PARENT Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JIANGSU EAST CHINA CONSTRUCTION BASE ENGINEERING PARENT Co filed Critical JIANGSU EAST CHINA CONSTRUCTION BASE ENGINEERING PARENT Co
Priority to CNU2007200432138U priority Critical patent/CN201074340Y/en
Application granted granted Critical
Publication of CN201074340Y publication Critical patent/CN201074340Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

A pile extractor is composed of a high pressure pump system, an air compressor system, a sleeve system, a vibration immersed-tube pile machine system and a crane system. One side of the water storage tank of the high pressure pump is equipped with four-way connections (28), every connection is connected with a flush pipe and connected respectively with the flush pipes on the top of four protective sleeves on the outer wall of the sleeve via a hollow bolt, one side of the air compressor is also equipped with four-way connections, four inflation pipes connected out are respectively connected with inflation pipes arranged on the top of the four protective sleeves. The bottom portion of the four protective sleeves is equipped with an injection apparatus with mixture of water and gas and the injection apparatus is welded on the outer wall of the sleeve. The top face of the injection apparatus is connected with the flushing pipe and the inflation pipe which are arranged in the protective sleeve. The inner side face of the injection apparatus is provided with three ejector nozzles which are in butt joint with the three eyelets on the wall of the sleeve. The injection apparatus sprays high pressure water draught into the sleeve and the high pressure water draught can play the function of cutting for the soil around the piles which are extracted, thereby the resistance force between the piles and the soil around is reduced, which avoid that the piles are broken down when being extracted and enables the large scale extraction to be possible.

Description

A kind of extractor
Technical field
The utility model relates to building engineering construction machinery, specifically relates to a kind of equipment---I type extractor that underground existing stake is pulled out.
Background technology
Along with the high speed development of urban construction, many industry, civil buildings that have stake will be removed, and new building is built in ground on the scene then, and the stake under the original building has at this moment just become the obstacle of construction, must pull out; In addition, in the subway work process, the stake of the regional existing building thing of circuit process also can become the obstacle of construction, must pull out.Therefore, the construction of pulling out of stake gets more and more.
Up to now, also there is a collection of expert to attempt designing both at home and abroad and pulls out the construction machinery of underground existing stake.Directly cable wire is enclosed within by in the pile pulling if any the people, pulls with very heavy then; Also there is the people to use rig behind the soil, cable wire to be enclosed within to be pulled with very heavy in the pile pulling then around by soil digging around the pile pulling or disturbance stake earlier; Also there is the people with pile hammer stake to be driven underground a bit earlier, cable wire is enclosed within pulled with very heavy in the pile pulling then.
But, stake was driven underground after the long period, soil has been subjected to high-intensity extruding around the stake, not only make the native intensity of stake be higher than the intensity of original soil on every side, and soil is connected as a single entity around stake and the stake, and this moment stake and the stake resistance between the soil on every side have not been resistance when designing originally, and it has not only surpassed an own concrete compressive strength, and be far longer than tensile strength of stake itself, so can cause handle to be pulled off during with existing construction machinery pile pulling by pile pulling.Can only pull out several meters shallow stub or paxilla at present, also not have special-purpose pile pulling equipment at present as for the dark stake of the more piece more than nine meters or nine meters.
The content of utility model
The purpose of this utility model aims to provide a kind of special-purpose extractor---the I type extractor that can pull out underground existing single-unit stake.
The purpose of this utility model is to realize by following technical scheme:
Can see the utility model substantially clearly from Fig. 1---the overall picture of I type extractor.I type extractor by high pressure pump system, air compressor system, cannula system, vibrator sunk pile machine system and crane system totally five parts form.
High pressure pump system has: water inlet 1, water tank 2, delivery port 3, water inlet pipe 4, motor 5, high-pressure pump 6, storage tank 7, gas vent 8, sewage draining exit 9, storage tank four-way connection 28;
Wherein water inlet 1 is arranged at water tank 2 tops, the bottom has delivery port 3 to be connected with high-pressure pump 6 by water inlet pipe 4, one end of high-pressure pump 6 is connected with motor 5, the other end is connected with storage tank 7, gas vent 8 and sewage draining exit 9 are respectively in the top and the bottom of storage tank 7, and four-way connection 28 is on a side of storage tank 7.
Air compressor system has: an end of air compressor machine 10 is equipped with air compressor machine four-way connection 29.
Cannula system has: protective sleeve 11, qi of chong channel ascending adversely pipe 12, jet water spout 13, sleeve pipe 17, surface holes 23, protection ring 24, the coaxial injection apparatus 25 of gas-vapor mix, the steel plate 27 of putting more energy into; Its middle sleeve 17 is a cylindrical shape; be enclosed within during pile pulling by the outside of pile pulling 26; vertically arrange 4 qi of chong channel ascending adversely pipes 12 and 4 jet water spouts 13 on the sleeve pipe 17 outer circle walls; wherein each is one group with a qi of chong channel ascending adversely pipe 12 and a jet water spout 13; have four groups; on every group qi of chong channel ascending adversely pipe 12 and jet water spout 13, be covered with a protective sleeve 11; four protective sleeves 11 are welded in the lengthwise position of the outside of sleeve pipe 17; and in sleeve pipe 17 outside one-tenth cruciform shape symmetrical distributions; the qi of chong channel ascending adversely pipe 12 that is positioned at protective sleeve 11 tops is connected with protective sleeve 11 qi of chong channel ascending adversely pipe 12 outward by hollow bolt; and protective sleeve 11 outer qi of chong channel ascending adversely pipes 12 are connected by air compressor machine four-way connection 29 and air compressor machine 10 again; the jet water spout 13 that is positioned at protective sleeve 11 tops is connected with protective sleeve 11 jet water spout 13 outward by hollow bolt, and protective sleeve 11 outer jet water spouts 13 are connected by storage tank four-way connection 28 and storage tank 7.
Vibrator sunk pile machine system has: vibrating hammer 14, vibrating hammer clamp 15, vertical rod 16, preceding walk pipe 18, after walk pipe 19, control cabinet 20, hoist engine 21, strut 22, chassis 30;
Wherein vertical rod 16 bottoms, control cabinet 20, hoist engine 21 bottoms, strut 22 bottoms are fixed on 30 tops, chassis, strut 22 tops are fixed on vertical rod 16 tops, vertical rod 16 tops are then walked around at hoist engine 21 tops, and collude with iron and to hook vibrating hammer 14, preceding walk pipe 18, after walk pipe 19 and then be fixed on 30 bottoms, chassis.
Crane system has: crane 31.
The connected mode of high pressure pump system and cannula system is: storage tank four-way connection 28 has four jet water spout 13 joints; each joint connects a jet water spout 13; be connected with four jet water spouts 13 at four protective sleeve 11 tops respectively by hollow bolt, thereby couple together with jet water spout 13 in the protective sleeve 11.
The connected mode of air compressor system and cannula system is: air compressor machine four-way connection 29 has four qi of chong channel ascending adversely pipe 12 joints; each joint connects a qi of chong channel ascending adversely pipe 12; be connected with four qi of chong channel ascending adversely pipes 12 at four protective sleeve 11 tops respectively by hollow bolt, thereby couple together with qi of chong channel ascending adversely pipe 12 in the protective sleeve 11.
The connected mode of vibrator sunk pile machine system and cannula system is: the vibrating hammer clamp 15 below the vibrating hammer 14 is clipped on the sleeve pipe 17.
Fig. 2 is the coaxial injection apparatus drawing in side sectional elevation of gas-vapor mix.Protective sleeve 11, qi of chong channel ascending adversely pipe 12, jet water spout 13, sleeve pipe 17, the coaxial injection apparatus 25 of gas-vapor mix are arranged among the figure, by pile pulling 26, spout 32, water under high pressure air-flow 33;
The coaxial injection apparatus 25 of gas-vapor mix is the cuboid of hollow; be welded on the bottommost of protective sleeve 11; on coaxial injection apparatus 25 medial surfaces of gas-vapor mix three water under high pressure air-flow spouts 32 are arranged, and just with sleeve pipe 17 on three circular holes connect, be welded in the outside of sleeve pipe 17.The end face of the coaxial injection apparatus 25 of gas-vapor mix by hollow bolt respectively with protective sleeve 11 in qi of chong channel ascending adversely pipe 12, jet water spout 13 couple together; after high pressure draught, High-Pressure Water enter cuboid; spray three strands of water under high pressure air-flows 33 by spout 32 to sleeve pipe 17 inside; having four coaxial injection apparatus 25 of gas-vapor mix is symmetrically distributed in sleeve pipe 17 outside one-tenth cruciform shape; 33 pairs in 12 strands of water under high pressure air-flows of ejection are played dissection by soil around the pile pulling 26, make and sink to sleeve pipe 17, the resistance when pulling out by pile pulling 26 reduces.
Fig. 3 is the sleeve bottom schematic diagram.Protective sleeve 11, qi of chong channel ascending adversely pipe 12, jet water spout 13, sleeve pipe 17, surface holes 23, protection ring 24, the coaxial injection apparatus 25 of gas-vapor mix, the steel plate 27 of putting more energy into are arranged among the figure; the surface distributed of its middle sleeve 17 has several surface holes 23; sleeve pipe is made up of some joints; the steel plate 27 of putting more energy into is welded in every joint casing joint place, is welded with protection ring 24 in the bottommost casing joint 17.
Fig. 4 is the protection ring schematic diagram.Protection ring 24 is circular, and top is welded on the bottommost of sleeve pipe 17, and couples together with sleeve pipe 17 by the steel plate 27 of putting more energy into, and the bottom of protection ring 24 is the triangle steel blade and circularizes, and makes sleeve pipe 17 can successfully sink to desired depth.
Principle about pile pulling is as follows:
1. broken cushion cap is with being exposed by 26 of pile pullings that need are pulled out;
2. imbedded the steel casing of establishing greater than sleeve pipe 17 diameters by the position of 26 of pile pullings, and with all backfills of soil, compacting around the steel casing, I type extractor does not sink when guaranteeing to construct;
3. be welded into greater than the sleeve pipe of being grown by pile pulling 26 17 with helix tube, several surface holes 23 have been cut on every joint sleeve pipe 17 surfaces, every joint sleeve pipe 17 joint areas steel plate 27 of putting more energy into of burn-oning, sleeve pipe 17 diameters surpass by pile pulling 26 diameters, as the time being caused hole enlargement in construction, then need select much larger than by the sleeve pipe in 26 footpaths of pile pulling (17) by pile pulling 26;
4. at sleeve pipe 17 outside four qi of chong channel ascending adversely pipes 12 and four jet water spouts 13 arranged, wherein each is one group with a qi of chong channel ascending adversely pipe 12 and a jet water spout 13, and outside coated with protective sleeve 11, protective sleeve 11 is symmetrically distributed in sleeve pipe 17 outside one-tenth cruciform shape; Four qi of chong channel ascending adversely pipes 12 at four protective sleeve 11 tops are connected with jet water spout 13 with four qi of chong channel ascending adversely pipes 12 of outside respectively by hollow bolt with jet water spout 13, are connected with air compressor machine 10, storage tank 7 respectively by air compressor machine four-way connection 29, storage tank four-way connection 28 then;
5. be close to the bottommost of protective sleeve 11, four the coaxial injection apparatus 25 of gas-vapor mix of burn-oning respectively in sleeve pipe 17 outsides, wherein the end face of the coaxial injection apparatus 25 of gas-vapor mix by hollow bolt respectively with protective sleeve 11 in qi of chong channel ascending adversely pipe 12, jet water spout 13 couple together, three water under high pressure air-flow spouts 32 on the medial surface of the coaxial injection apparatus 25 of gas-vapor mix then dock with three apertures on the sleeve pipe 17;
6. couple together with sleeve pipe 17 at the bottommost of sleeve pipe 17 protection ring 24 of burn-oning, and by the steel plate 27 of putting more energy into;
7. select vibrating hammer 14, by vibrating hammer clamp 15 cannula system and vibrator sunk pile machine system are coupled together, open control cabinet 20, hang cannula system extremely by pile pulling 26 pile crowns with hoist engine 21, adjust hoist engine 21, guarantee sleeve pipe 17 center lines with by pile pulling 26 center lines on same straight line;
8. open control cabinet 20, start vibrating hammer 14, the resistance of the exciting force of guaranteeing vibrating hammer 14 during greater than sinking sleeve (17) down sinks sleeve pipe 17;
9. be sink in protection ring 24 bottoms from being begun to open air compressor machine 10 and high-pressure pump 6 at the bottom of 26 of the pile pullings at 1/3 o'clock, spraying 12 strands of water under high pressure air-flows 33 by the spout 32 in four coaxial injection apparatus 25 of gas-vapor mix in sleeve pipe 17 carries out while the operation of descending sinking sleeve 17, spraying water under high pressure air-flow 33, until following sinking sleeve 17 to by the position at the bottom of 26 of the pile pullings, resistance is bigger during following sinking sleeve 17, can promote sleeve pipe 17,3-4m, descend sinking sleeve 17 again, the resistance that repeats when descending sinking sleeve 17 is very little, the resistance in the time of also can reducing pile pulling;
10. open control cabinet 20, extract sleeve pipe 17 with hoist engine 21 after, move on another velamen pile pulling 26 pile crowns or the ground;
On by pile pulling 26 pile crowns, will be extracted steel wire loop by pile pulling 26 with crane 31.
The utility model extractor has following characteristics:
Adopt the utility model, reduced by pile pulling and the resistance between the soil on every side, handle is not pulled off by pile pulling in the time of not only can not having caused pulling out, and makes extensive pile pulling become possibility.
Description of drawings
Fig. 1 is the structural representation of I type extractor.
Fig. 2 is the coaxial injection apparatus drawing in side sectional elevation of gas-vapor mix.
Fig. 3 is the sleeve bottom schematic diagram.
Fig. 4 is the protection ring schematic diagram.
Reference numeral: 1-water inlet; The 2-water tank; The 3-delivery port; The 4-water inlet pipe; The 5-motor; The 6-high-pressure pump; The 7-storage tank; The 8-gas vent; The 9-sewage draining exit; The 10-air compressor machine; The 11-protective sleeve; 12-qi of chong channel ascending adversely pipe; The 13-jet water spout; The 14-vibrating hammer; 15-vibrating hammer clamp; The 16-vertical rod; The 17-sleeve pipe; Walk pipe before the 18-; Walk pipe behind the 19-; The 20-control cabinet; The 21-hoist engine; The 22-strut; The 23-surface holes; The 24-protection ring; The coaxial injection apparatus of 25-gas-vapor mix; 26-is by pile pulling; The 27-steel plate of putting more energy into; 28-storage tank four-way connection; 29-air compressor machine four-way connection; The 30-chassis; The 31-crane; The 32-spout; 33-water under high pressure air-flow.
The specific embodiment
As being the square pile tube of length of side 25cm by pile pulling 26, the long 9m of stake, pile crown digs out, and has buried the steel casing greater than sleeve pipe 17 diameter 40cm underground in the pile crown position, with all backfills of soil, compacting around the steel casing, then the I type extractor specific embodiment is as follows simultaneously:
1. be connected into greater than by the sleeve pipe 17 of pile pulling 26 length with the helix tube of wall thickness 10mm, it is surface holes 23, three joint sleeve pipes 17 joint areas of the 7cm steel plates 27 of putting more energy into of burn-oning that sleeve surface is cut several length of sides, and sleeve pipe 17 diameters surpass by pile pulling 26 catercorner length 15cm;
2. sleeve pipe 17 outside arrange by rubber make, four qi of chong channel ascending adversely pipes 12 and four jet water spouts 13 of diameter 5cm, wall thickness 5mm, wherein each is one group with a qi of chong channel ascending adversely pipe 12 and a jet water spout 13, be symmetrically distributed in sleeve pipe 17 outside one-tenth cruciform shape coated with 11, four protective sleeves 11 of channel-section steel protective sleeve outside;
Four qi of chong channel ascending adversely pipes 12 at four protective sleeve 11 tops are connected with jet water spout 13 with four qi of chong channel ascending adversely pipes 12 of outside respectively by hollow bolt with jet water spout 13, are connected with the storage tank 7 of OGFD22 air compressor machine 10,100TSWA high-pressure pump 6 respectively by air compressor machine four-way connection 29, storage tank four-way connection 28 then;
3. be close to the bottommost of protective sleeve 11, four the coaxial injection apparatus 25 of gas-vapor mix of burn-oning in sleeve pipe 17 outsides, the coaxial injection apparatus 25 of gas-vapor mix is that the cuboid of hollow---the steel plate of long 10cm, wide 8cm, high 5cm, thickness 2mm is welded into, its end face by hollow bolt respectively with protective sleeve 11 in qi of chong channel ascending adversely pipe 12, jet water spout 13 couple together, the water under high pressure air-flow spout 32 that three diameters on coaxial injection apparatus 25 medial surfaces of gas-vapor mix are 1cm then with sleeve pipe 17 on diameter be that three apertures of 1cm connect;
4. couple together with sleeve pipe 17 at the bottommost of the sleeve pipe 17 circular protection ring 24 that steel with 40# forge of burn-oning, and by the steel plate 27 of putting more energy into, the lower end of protection ring 24 is the triangle steel blade and circularizes.
5. vertical rod 16 bottoms in the vibrator sunk pile machine system, control cabinet 20, hoist engine 21 bottoms, strut 22 bottoms are by being bolted to 30 tops, chassis, strut 22 tops also by being bolted to vertical rod 16 tops, vertical rod 16 tops are then walked around at hoist engine 21 tops, and collude with iron and to hook vibrating hammer 14, below the vibrating hammer 14 be vibrating hammer clamp 15, preceding walk pipe 18, after walk to manage 19 by being bolted to the bottom on chassis 30.
6. high pressure pump system, water tank 2 tops wherein have water inlet 1, bottom that delivery port 3 is arranged, be connected with high-pressure pump 6 by inlet tube 4, one end of high-pressure pump 6 is connected with motor 5, the other end is connected with storage tank 7, and the top of storage tank 7 has gas vent 8, bottom to have sewage draining exit 9, side that storage tank four-way connection 28 is housed.
The crane 31 of crane system is 50 tons.
The connected mode of high pressure pump system and cannula system is: storage tank four-way connection 28 has four jet water spout 13 joints; each joint connects a jet water spout 13; be connected with four jet water spouts 13 at four protective sleeve 11 tops respectively by hollow bolt, thereby couple together with jet water spout 13 in the protective sleeve 11.
The connected mode of air compressor system and cannula system is: air compressor machine four-way connection 29 has four qi of chong channel ascending adversely pipe 12 joints; each joint connects a qi of chong channel ascending adversely pipe 12; be connected with four qi of chong channel ascending adversely pipes 12 at four protective sleeve 11 tops respectively by hollow bolt, thereby couple together with qi of chong channel ascending adversely pipe 12 in the protective sleeve 11.
The connected mode of vibrator sunk pile machine system and cannula system is: the vibrating hammer clamp 15 below the vibrating hammer 14 is clipped on the sleeve pipe 17.

Claims (5)

1. extractor; involving vibrations pipeline sinking pile machine system and crane system; vertical rod (16) bottom in the vibrator sunk pile machine system; control cabinet (20;) hoist engine (21) bottom; strut (22) bottom is fixed on top, chassis (30); strut (22) top is fixed on vertical rod (16) top; vertical rod (16) top is then walked around at hoist engine (21) top; and collude with iron and to hook vibrating hammer (14); below the vibrating hammer (14) is vibrating hammer clamp (15); before walk pipe (18); after walk the bottom that pipe (19) is fixed on chassis (30); it is characterized in that this extractor also comprises high pressure pump system; air compressor system and cannula system; wherein the sleeve pipe in the cannula system (17) is enclosed within by the outside of pile pulling (26); the bottom of sleeve pipe (17) is welded with protection ring (24); vertically arrange 4 qi of chong channel ascending adversely pipes (12) and 4 jet water spouts (13) on the outer circle wall of sleeve pipe (17); with a qi of chong channel ascending adversely pipe (12) and 1 jet water spout (13) is one group; have four groups; every group of qi of chong channel ascending adversely pipe and jet water spout are covered with a protective sleeve (11) outward; bottommost at protective sleeve (11) is equipped with the coaxial injection apparatus of gas-vapor mix (25); four qi of chong channel ascending adversely pipes (12) at four protective sleeves (11) top and four jet water spouts (13) respectively by the outer four qi of chong channel ascending adversely pipes (12) of hollow bolt and protective sleeve (11) with after four jet water spouts (13) are connected; respectively four qi of chong channel ascending adversely pipes (12) and air compressor machine four-way connection (29) are joined afterwards again and the connection of the air compressor machine (10) in the air compressor system; four jet water spouts (13) and storage tank four-way connection (28) back that joins is connected with storage tank (7) in the high pressure pump system, and the vibrating hammer clamp (15) in the vibrator sunk pile machine system is clipped on the sleeve pipe (17) in the cannula system.
2. extractor according to claim 1, it is characterized in that described high pressure pump system, water tank wherein (2) top has water inlet (1), bottom that delivery port (3) is arranged, be connected with high-pressure pump (6) by inlet tube (4), one end of high-pressure pump (6) is connected with motor (5), the other end is connected with storage tank (7), and the top of storage tank (7) has gas vent (8), bottom to have sewage draining exit (9), side that storage tank four-way connection (28) is housed.
3. extractor according to claim 1 is characterized in that described protective sleeve (11) is welded on the lengthwise position of sleeve pipe (17) outer wall, becomes cruciform shape to be symmetrically distributed.
4. extractor according to claim 1; it is characterized in that described sleeve pipe (17) is cylindrical shape; drum surface has some apertures (23); the junction of last joint sleeve pipe and following joint sleeve pipe is welded with the 2-4 piece steel plate (27) of putting more energy into; the bottom of the protection ring (24) of sleeve pipe (17) bottom is welded with the triangle steel blade and circularizes, and is connected with sleeve pipe (17) by the steel plate of putting more energy into (27).
5. extractor according to claim 1; it is characterized in that the coaxial injection apparatus of described gas-vapor mix (25) is the hollow cuboid; its end face by hollow bolt respectively with protective sleeve (11) in qi of chong channel ascending adversely pipe (12) be connected with qi of chong channel ascending adversely pipe (13); three water under high pressure air-flow spouts (32) are arranged on the medial surface of injection apparatus; and just with sleeve pipe (17) on three circular holes connect, the outside that four coaxial injection apparatus of gas-vapor mix (25) are welded on sleeve pipe (17) becomes cruciform shape to be symmetrically distributed.
CNU2007200432138U 2007-08-16 2007-08-16 Pile-drawing machine Expired - Fee Related CN201074340Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200432138U CN201074340Y (en) 2007-08-16 2007-08-16 Pile-drawing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200432138U CN201074340Y (en) 2007-08-16 2007-08-16 Pile-drawing machine

Publications (1)

Publication Number Publication Date
CN201074340Y true CN201074340Y (en) 2008-06-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007200432138U Expired - Fee Related CN201074340Y (en) 2007-08-16 2007-08-16 Pile-drawing machine

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100591859C (en) * 2007-08-16 2010-02-24 江苏华东建设基础工程总公司 Pile pulling construction method for pile pulling machine
CN103243754A (en) * 2012-02-08 2013-08-14 中国石油化工股份有限公司 Annular pile jetting and cratering device and using method thereof
CN103243717A (en) * 2012-02-08 2013-08-14 中国石油化工股份有限公司 Auxiliary pile pulling mechanism and using method thereof
CN110952555A (en) * 2019-12-09 2020-04-03 广州市盾建地下工程有限公司 Pile pulling method and pile pulling system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100591859C (en) * 2007-08-16 2010-02-24 江苏华东建设基础工程总公司 Pile pulling construction method for pile pulling machine
CN103243754A (en) * 2012-02-08 2013-08-14 中国石油化工股份有限公司 Annular pile jetting and cratering device and using method thereof
CN103243717A (en) * 2012-02-08 2013-08-14 中国石油化工股份有限公司 Auxiliary pile pulling mechanism and using method thereof
CN110952555A (en) * 2019-12-09 2020-04-03 广州市盾建地下工程有限公司 Pile pulling method and pile pulling system

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C53 Correction of patent for invention or patent application
COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: CHEN LINZHAO ZHOU ZHANGZHONG QIU WEILUN XIE XINGNAN CHENG ZHIYAN ZOU BAOXIANG ZHAO CHAO HU GUANGYUN TO: CHEN LINZHAO ZHOU ZHANGZHONG LU BINGNAN QIU WEILUN XIE XINGNAN CHENG ZHIYAN ZOU BAOXIANG ZHAO CHAO HU GUANGYUN

CB03 Change of inventor or designer information

Inventor after: Chen Linzhao

Inventor after: Zhou Changzhong

Inventor after: Lu Bingnan

Inventor after: Qiu Weilun

Inventor after: Xie Xingnan

Inventor after: Cheng Zhiyan

Inventor after: Zou Baoxiang

Inventor after: Zhao Chao

Inventor after: Hu Guangyun

Inventor before: Chen Linzhao

Inventor before: Zhou Changzhong

Inventor before: Qiu Weilun

Inventor before: Xie Xingnan

Inventor before: Cheng Zhiyan

Inventor before: Zou Baoxiang

Inventor before: Zhao Chao

Inventor before: Hu Guangyun

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080618

Termination date: 20140816

EXPY Termination of patent right or utility model