CN103541361B - Flexible ejection pulling type hydraulic power pile sinking machine - Google Patents
Flexible ejection pulling type hydraulic power pile sinking machine Download PDFInfo
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- CN103541361B CN103541361B CN201310526247.2A CN201310526247A CN103541361B CN 103541361 B CN103541361 B CN 103541361B CN 201310526247 A CN201310526247 A CN 201310526247A CN 103541361 B CN103541361 B CN 103541361B
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Abstract
The invention discloses a flexible ejection pulling type hydraulic power pile sinking machine. According to the flexible ejection pulling type hydraulic power pile sinking machine, a guide frame is removed, a pile cap structure and placing points are improved, an original round steel pull rod is replaced by a plurality of steel ropes with good flexibility under a same stress condition, and a beating pulling press case, steel ropes, pile caps and preformed piles are embraced together through a main pile clamping oil cylinder to well transmit impact power. The invention meanwhile provides remedial measures of elastic deformation of the steel ropes, winding machines which are driven by series excitation direct current motors are installed in a power chamber, and elastic deformation of the steel ropes are continuously remedied on the basis of tensioning of the steel ropes.
Description
Technical field
The present invention relates to a kind of the hydraulic power pile-sinking machine in machine machinery, be specifically related to a kind of flexible top pull-type hydraulic power pile-sinking machine.
Background technology
Hydraulic hammer is extensive use already in countries in the world, but process for sinking remains time-honored top, hits formula technique, uses sledgehammer strike on stake top, and a stake micro-crack is ubiquitous headache problem.Hammer body is stacking with the concentricity line of hoist cylinder again of long bar type, causes hammer body length large, little with the contact area on stake top, stress large, noise source always on stake top, widely spread in high-altitude.Therefore, the applicant has researched and developed with top and has drawn replacement top to hit formula, the patent of invention of " push-pull-type hydraulic power pile-sinking machine " (patent No. is 201010108698.0) and " having the hydraulic power pile-sinking machine that hammer passes through test pile concurrently " (patent No. is 201010108697.6) has been proposed, main point is: 1. with general double acting lift cylinder, several in parallel uses, all in the middle of impact body, pass, its center line is all parallel, and overall length greatly reduces; 2. the impact body side of changing into cake formula, the face that hit increases greatly, stress diminishes, noise intensity declines, and shock surface is placed among power house, and position ground proximity and power house surrounding are posted caprone plastic plate, and not only sound insulation but also printing opacity were also rainproof; 3. adopt push-pull-type technique, impact body, hit tension and compression case, pull bar, pile cover become one overall, the quality of protection pile crown.But strong point is also accompanied by the appearance of new problem: pile cover is often placed on the overhead on stake top, certainly will have a leading truck to provide motion guide rail for pile cover, two long draws, and this must lengthen the arm of loop wheel machine, and operator's sighting distance, visual angle are all strengthened, very inconvenient.
Summary of the invention
Technical problem to be solved by this invention is: for above-mentioned the deficiencies in the prior art, a kind of flexible top pull-type hydraulic power pile-sinking machine is provided, this machine adopts new pile cover structure and set-point, make to delete leading truck and become possibility, and under same stress condition, with many flexible wire rope, replace original round steel stock, proposed the Compensation measures of wire rope elastic deformation simultaneously, make it to transmit better dynamic impact problem.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of flexible top pull-type hydraulic power pile-sinking machine, it comprises power house, hit tension and compression case and is provided with a hole and the pile cover of two transversely movable tongues, be characterized in, the installing plate both sides of described power house bottom are respectively equipped with the hoist system of one group of static state, this hoist system has DC series motor, angle pulley and hoist engine, and this DC series motor is connected with the rope roll of hoist engine; This pile cover comprises that cap seat, two groups of multiple-grooved pulleys and two that can install wire rope promote oil cylinder, these two groups of multiple-grooved pulleys are symmetrical, every group two, these four multiple-grooved pulleys are fixed on four jiaos of cap seats by pulley bracket to be located, these two promotion oil cylinders are symmetrically fixed on two groups of multiple-grooved pulley rooms, and this two tailpiece of the piston rod that promotes oil cylinder is connected with described two tongues by connecting rod respectively; These casing both sides of being hit tension and compression case are provided with is convenient to clamp fixedly hydraulic pressure steel wire wire clips and the screw rod wire line shoe of wire rope, and is provided with several ropes hole in casing; The base plate that is hit tension and compression case is fixed in one end of this wire rope after being hit the rope hole, screw rod wire line shoe of tension and compression case, and the other end is connected with rope roll by angle pulley through the rope hole and the hydraulic pressure steel wire wire clips that are hit tension and compression case.
Pile press of the present invention has been deleted leading truck, and on pile cover, setting is by the tongue that promotes oil cylinder drive to open or close a hole, and pile cover can be opened can be closed, and puts off among power house; Under same stress condition, with many flexible wire rope, replace original round steel pull bar, play the effect of transferring power, and by main folder stake oil cylinder, will be hit tension and compression case, wire rope, pile cover, preformed pile and embrace together, make it better to transmit dynamic impact problem; The invention allows for the Compensation measures of wire rope elastic deformation, in power house, install the hoist engine that DC series motor drives, on the basis of tense wire rope, constantly compensate the elastic deformation of wire rope.
Accompanying drawing explanation
Fig. 1 is the exchange figure of flexible top pull-type hydraulic power pile-sinking machine of the present invention.
Fig. 2 is power house structural representation of the present invention.
Fig. 3 is along the cut-away view of A-A line in Fig. 2.
Fig. 4 is pile cover structural representation of the present invention.
Fig. 5 is the top view of pile cover of the present invention.
Fig. 6 is the lateral view of pile cover of the present invention.
Fig. 7 is the structural representation that is hit tension and compression case of the present invention.
Fig. 8 is the lateral view of Fig. 7.
Fig. 9 is the structural representation of hydraulic pressure steel wire wire clips of the present invention.
Figure 10 is the lateral view of Fig. 9.
Figure 11-Figure 12 is electric-control system schematic diagram of the present invention.
The specific embodiment
Referring to Fig. 1, the present invention is flexible top pull-type hydraulic power pile-sinking machine, it comprises mainframe 1, power house 2, preformed pile 3, pile cover 4, loop wheel machine 5, master-control room 6, loop wheel machine operating room 7 and walking and slew gear 8 etc., this power house 2 is divided into joint 21 and lower joint 22, upper joint is provided with power house door 23, in this power house 2, be provided with impact body 9, hit tension and compression case 10, lift cylinder 11 and stroke adjuster 12 etc., the trapezoidal screw of this lift cylinder 11 and stroke adjuster 12 is through impact body 9 and hit tension and compression case 10.Because the present invention is the improvement of carrying out on the basis of two patents mentioned in background technology before the application, therefore original several projects in the present invention, have still been retained: dynamic load measuring technology, stroke adjuster, pile penetration checkout gear, stake soil series system elastic deformation value detection device and calculation element, it is visual making bearing capacity in injection process, and looking screen display Pu-e (vertical ultimate bearing capacity of single pile Pu-pile body pile penetration e) curve, propose reliably in time " receiving hammer " instruction.Only with regard to the present invention, about power house, the improvements that hit tension and compression case and pile cover, set forth below.
Referring to Fig. 2-Fig. 3, these power house 2 tops are arranged with two auxiliary clip pile oil cylinders 13, installing plate 24 both sides of these power house 2 bottoms are respectively equipped with one group of hoist system, this hoist system is comprised of DC series motor 25, worm reduction gear 26, hoist engine and angle pulley 28, be totally static, this DC series motor 25 is connected with worm reduction gear 26 by axle, and this worm reduction gear 26 is connected with the rope roll 27 of hoist engine by axle.
Referring to Fig. 4-Fig. 6, this pile cover 4 comprises that cap seat 41, two groups of multiple-grooved pulleys 42 and two promote oil cylinders 43.This cap seat 41 centres are located in stake hole 44, and cap seat 41 middle levels are provided with accommodation space, and this accommodation space is provided with two transversely movable tongues 45, and bottom is provided with pile cover cover 46.These two groups of multiple-grooved pulleys 42 are symmetrical, and two every group, these four multiple-grooved pulleys 42 are fixed on 41 4 jiaos of cap seats by pulley bracket 47 to be located, and in the present embodiment, adopt two groove pulleys, and pass through steel cable 14 in each groove.These two promote oil cylinder 43 and are symmetrically fixed on 42, two groups of multiple-grooved pulleys, these two promotions oil cylinder, 43 cylinder barrels are fixed, and its tailpiece of the piston rod is connected with two tongues 45 by connecting rod 48 respectively, to promote under the effect of oil cylinder 43, drive tongue 45 to move, to open or close a hole 44.This promotion oil cylinder 43 is provided with camera 49, can remote monitoring easily two tongues be pushed open in opposite directions or be pushed in time with handled easily person, makes the punctual safe open and close in pile cover stake hole.
Referring to Fig. 7-Fig. 8, these casing 101 tops of being hit tension and compression case 10 are provided with several powerful stage clips 102, casing 101 inside are provided with two main folder stake oil cylinders 103, and casing 101 is provided with lift cylinder hole 104 and stroke screw hole 105, hit tension and compression case upper surface elastic button AK is set
1, tank floor arranges elastic button AK
2and AK
2', the present invention is hitting the improvements of tension and compression case 10, and these both sides of being hit tension and compression case 101 are provided with hydraulic pressure steel wire wire clips 106 and screw rod wire line shoe 107, and are provided with several ropes hole 108 in casing 101, and in the present embodiment, rope hole is 8.
Referring to Fig. 9-Figure 10, this hydraulic pressure steel wire wire clips 106 comprises quiet deck 1061, moving deck 1062 and wire clips oil cylinder 1063, these quiet deck 1061 tops be fixed be provided with through hole cover plate 1064 to form an accommodation space 1065, this moving deck 1062 is located in this accommodation space 1065 actively, in this quiet deck 1061, be provided with two quiet groovings 1066, this moving deck 1062 is provided with two and the corresponding running rope groove 1067 of this quiet grooving 1066, this wire clips oil cylinder 1063 is fixed on cover plate 1064, so, under the effect of wire clips oil cylinder 1063, its tailpiece of the piston rod can promote this moving deck 1062 through the through hole of this cover plate 1064, so that running rope groove 1067 combines with this quiet grooving 1066, the wire rope 14 that passes 1066 of this running rope groove 1067 and quiet groovings is blocked fixing.These quiet deck 1061 both sides can be provided with the gusset 1068 of booster action.
The structure of the structure of this screw rod wire line shoe 107 and this hydraulic pressure steel wire wire clips 106 is similar, different, and this screw rod wire line shoe 107 substitutes wire clips oil cylinder 1063 with screw rod, under the turn of screw rod, wire rope 14 clampings are fixing.
Again referring to Fig. 2, known, by the wire rope 14 of two groups of multiple-grooved pulleys 42, the base plate 109 that is hit tension and compression case 10 is fixed in its one end after being hit the rope hole 108, screw rod wire line shoe 107 of tension and compression case 10, the other end passes behind the rope hole 108 of rope hole 108, hydraulic pressure steel wire wire clips 106 and casing 101 bottoms of being hit tension and compression case 10 casing 101 tops, through angle pulley 28, is connected with rope roll 27.This hydraulic pressure steel wire wire clips 106 and screw rod wire line shoe 107 can be wire rope two and provide and be connected securely and carry out power transmission effectively.This hoist system is not moved up and down with hitting tension and compression case 10, just adopt the unidirectional wire rope 14 that pulls of DC series motor, make wire rope keep normal duty that wire rope is pulled out, make it tension, utilize the characteristic of DC series motor 25 simultaneously, the elastic deformation that compensation wire rope 14 elasticity are elongated (is not to rely on DC series motor but rely on pile cover to elongate under hanging of loop wheel machine rises, DC series motor only plays a part to draw in, strain), the wire rope that angle pulley 28 is used for adapting on rope roll 27 moves left and right the variation that causes angle.
The requirement of the present invention to drive motor: one end of the wire rope group in the present invention is fixed, and the other end moves, and is driven by electric motor driven hoist system.This motion has two kinds of modes of forward reversion, and reversion is not done work, and only the wire rope in rope roll is loosened, and when rising pile cover with loop wheel machine, wire rope can oppositely elongate, and coordinates the work of loop wheel machine.When needs are strained wire rope, motor forward, tension process medium velocity are very low, and moment is very large, therefore we select DC series motor, and its mechanical property is a hyperbola, hyperbola when major loop string has resistance R, steepness is very large, when load moment is M
1time, during not crosstalk resistance, its rotating speed is n
1and gone here and there the speed of resistance, be 0, visible DC series motor forward seals in resistance makes its moment large, and speed can very lowly be even the operating mode that 0 elasticity that is well suited for wire rope extends.
The present invention to the requirement of wire rope with pulling force and flexible the two go to select, want flexiblely, every gauge of wire is not large, less of well; If flexible, but pulling force is inadequate, can the use in parallel of multiplex several wire rope.The present invention does not use leading truck, with wire rope, replaces pull bar of the prior art, plays the effect of transferring power, and pile cover can be put off among power house.Pile cover can be opened and can close, and in the time of connecing new stake, the tongue of pile cover is pushed open, and pile cover puts off among power house, after new stake hangs in, then with loop wheel machine, pile cover is winched to the top of new stake, and the tongue of pile cover is closed.
The embodiment of pile extension of the present invention: when pile cover drops to the lowest part of power house, in the time of should connecing the new stake of a joint, its program is:
1. the tongue that binds in pile cover is released, exposed a hole.
2. with loop wheel machine, new stake is hung in, insert in the stake hole of pile cover, drop on the top of old stake always.
3. with loop wheel machine, pile cover is winched to the topmost (not going out the top of power house) of power house.
4. with auxiliary clip pile oil cylinder, new pile body is located, but do not clamp.
5. in power house, the old and new's pile crown is welded, then unclamp auxiliary clip pile oil cylinder.
6. with loop wheel machine, pile cover is winched on the top of new stake, push tongue, seal the Center stake hole on pile cover.
The present invention adopts and is hit tension and compression case, wire rope, pile cover and preformed pile composition one, becomes the main body of transmission of power.Hit the tension and compression case one side dynamic impact problem that body applies that can withstand shocks, and be delivered on preformed pile pile body by flexible wire ropes group and pile cover; Second can send instruction to the bidirectional-movement of lift cylinder.During rising, hit the elastic button AK of tension and compression case upper surface
1closure, but closure only has in a flash, therefore need add a time relay, makes to reach requirement to the oil-filled time of rodless cavity; Under while hitting, by being contained in the elastic button AK that is hit tension and compression case bottom surface
2, AK
2' after force bearing plate 15 bruisings fixing by stroke adjuster trapezoidal screw lower end, send instruction, AK
2' make lift cylinder have 1 bar chamber oil-filled, impact body is hit under at a high speed.
The course of work of whole process of the present invention and minute journey is summarized as follows:
1. open the auxiliary clip pile oil cylinder on power house top, preformed pile is hung among power house through pile cover, insert among main folder stake oil cylinder and clamp preformed pile pile body thereupon.With loop wheel machine, pile cover is hung to the highest point that rises to power house, the hoist engine that now must reverse makes wire rope can catch up with pile cover and hangs the process rising, in power house, there is people at the joint (just having this work when connecing new stake) of welding the old and new stake, when pile cover winches to stake top, promote oil cylinder and push tongue, wear pile cover.
2. make hoist engine forward rotation, tense wire rope, main folder stake oil cylinder clamps pile body, and hydraulic pressure steel wire wire clips clamps, and preparation completes.
3. whole process is adjusted: whole process is exactly the effective overall length stroke of power house, and this is a definite value, when whole process rises, first be that impact body rises separately, while also differing from a minute journey, (mix up in advance), lift cylinder will be hit tension and compression case and be promoted together with impact body, near " approach switch " LK
1after, lift cylinder stops promoting, and whole process is ready to complete.
4. minute journey process: LK
1after closed, give under the oil-filled impact body high speed of lift cylinder rod chamber and hit, the elastic button AK while being hit tension and compression case on its upper surface
1closure, through of short duration time delay, gives the rodless cavity of lift cylinder oil-filled, when impact body is raised a minute journey, is hit the elastic button AK on tension and compression case bottom surface
2', AK
2closure, transfers to rod chamber oil-filledly, and impact body is hit under at a high speed, so repeatedly several times, when dividing several times journey injection sum to approach when omnidistance, transfers to again and is adjusted to whole process.In several minutes journeys, pile cover to the length of being hit between tension and compression case can not become.Therefore at this moment hoist engine is not wanted forward.At this moment DC series motor is also adjusted the length trace variation because of the wire rope of elastic deformation constantly, and the length of minute journey is a random number, by geological condition, is determined, and minimum can be 0.2 meter, is 1.2 meters to the maximum.
Electric-control system embodiment of the present invention, referring to Figure 11 and Figure 12, detailed process is as follows:
1. toggle switch K closes
1pull open toggle switch K
2, contactor Z obtains electric, the motor D m forward of while stroke adjuster, and the trapezoidal screw of stroke adjuster rises, and the force bearing plate of its lower end rises together, and main folder stake oil cylinder pine is pressed from both sides simultaneously, and hydraulic pressure steel wire wire clips unclamps.
2. force bearing plate is run into the elastic button AK being hit on tension and compression case bottom surface
2, AK
2', contact AK
2(107-109) disconnect, Z dead electricity Dm forward is stopped, but contact AK2 (101-111) closes, that contactor F is obtained is electric, Dm reversion.Infrared diode RL2 obtains electric, stroke adjuster Counter starts counting, when the output of it and encoder digital when identical, midget relay Fo adhesive, contact Fo (101-125) connects auxiliary reclay Jo, make F dead electricity, Dm stops reversion, and contact Jo (101-113) connects 1YA, gives lift cylinder rodless cavity oil-filled, on impact body, carry AK
2although ' (135-131) closed, toggle switch K
2pull open, this branch road cannot be connected.
3. impact body is rising, although its force bearing plate butt AK
2aK
2', but because of toggle switch K
2pull open, therefore two button closures, also without conduct, make impact body drive be hit tension and compression case and rise together.
4. impact body is near approaching LK
1time with regard to instantaneous closure.But time relay sj
1the instantaneous closure of meeting, time delay discharges, therefore make auxiliary reclay J
1adhesive reliably, contact J
1(101-115) after connection, 2YA is oil-filled to hoist cylinder rod chamber, contact J
1(101-117) connect main folder stake oil cylinder and hydraulic pressure steel wire wire clips, make it to hold tightly pile body and wire rope, form and hit tension and compression case, wire rope, pile cover, pile body and be integrated, jointly sink, toggle switch K fast now should close
2(signal lamp RL now
3bright).
5. impact body hits and is being hit on tension and compression case, first by the large powerful stage clip vibration damping of rigidity, then makes elastic button AK1 pressing AK
1(101-125) turn-on time relay SJ
2power supply, between its of short duration time delay in, impact body is parked in and is hit on tension and compression case, and the energy of power back wave is constrained by impact body gravity, makes it to lose destruction.
6. contact SJ
2(101-129) connect auxiliary reclay J
1, J
2(101-113) connect the power supply of 1YA, give lift cylinder rodless cavity oil-filled, impact body rises, and now auxiliary reclay J1 has not worked, because contact J
1(125-139) normally closed, make auxiliary reclay Jo recover adhesive, contact Jo (101-113) continues the power supply to 1YA, when lift cylinder rises to a minute Cheng Gaodu by impact body, the AK on force bearing plate
2' closure.AK
2' (135-131) make time relay sj
3must be electric, its instantaneous closure of contact, time delay break SJ3 (101-133) makes auxiliary reclay J
3must be electric, contact J
3(101-115) to 2YA power transmission, lift cylinder rod chamber obtains oil-filled, under impact body, hits.
7. repeatedly after several minutes journeys, whole process will be walked to be over, and should re-establish a new whole process, and method is: manually pull open toggle switch K
2, follow time relay sj
3, auxiliary reclay J
3dead electricity all, contact J
3(101-119) connect auxiliary reclay J2, contact J
2(101-113) connect 1YA, oil-filled to the rodless cavity of lift cylinder, impact body is promoted together with hitting tension and compression case, when impact body is near approach switch LK
1time, SJ
1closure, signal lamp RL
3shinny, manually by toggle switch K
2close, contact J
1(101-117) make main folder stake oil cylinder clamp pile body, hydraulic pressure steel wire wire clips clamping steel wire rope J
1(201-205) connect contactor Bz, DC series motor is rotated in the forward, tense wire rope, and new whole process is ready.
Claims (9)
1. a flexible top pull-type hydraulic power pile-sinking machine, it comprises power house (2), hit tension and compression case (10) and is provided with a hole (44) and the pile cover (4) of two transversely movable tongues (45), it is characterized in that, installing plate (24) both sides of described power house (2) bottom are respectively equipped with the hoist system of one group of static state, this hoist system has DC series motor (25), angle pulley (28) and hoist engine, and this DC series motor (25) is connected with the rope roll (27) of hoist engine; This pile cover (4) comprises that cap seat (41), two groups of multiple-grooved pulleys (42) and two that can install wire rope (14) promote oil cylinder (43), these two groups of multiple-grooved pulleys (42) are symmetrical, every group two, these four multiple-grooved pulleys (42) are fixed on cap seat (41) Si Jiaochu, these two promote oil cylinder (43) and are symmetrically fixed between two groups of multiple-grooved pulleys (42), this two tailpiece of the piston rod that promotes oil cylinder (43) is connected with described two tongues (45) by connecting rod (48) respectively, to drive tongue (45) mobile to open or close a hole (44); These casing (101) both sides of being hit tension and compression case are provided with is convenient to clamp fixedly hydraulic pressure steel wire wire clips (106) and the screw rod wire line shoe (107) of wire rope (14), and is provided with several ropes hole (108) in casing (101); The base plate (109) that is hit tension and compression case (10) is fixed in one end of this wire rope (14) after being hit the rope hole (108), screw rod wire line shoe (107) of tension and compression case (10), and the other end is connected with rope roll (27) by angle pulley (28) through the rope hole (108) and the hydraulic pressure steel wire wire clips (106) that are hit tension and compression case.
2. flexible top pull-type hydraulic power pile-sinking machine as claimed in claim 1, is characterized in that, described DC series motor (25) is connected with worm reduction gear (26), and this worm reduction gear (26) is connected with rope roll (27).
3. flexible top pull-type hydraulic power pile-sinking machine as claimed in claim 1, it is characterized in that, described hydraulic pressure steel wire wire clips (106) comprises quiet deck (1061), moving deck (1062) and wire clips oil cylinder (1063), this quiet deck (1061) top is fixed with cover plate (1064) with through hole to form an accommodation space (1065), this moving deck (1062) is located in this accommodation space (1065) actively, in this quiet deck (1061), be provided with quiet grooving (1066), this moving deck (1062) is provided with and the corresponding running rope groove (1067) of this quiet grooving (1066), this wire clips oil cylinder (1063) is fixed on cover plate (1064), under the effect of wire clips oil cylinder (1063), the tailpiece of the piston rod of this wire clips oil cylinder (1063) promotes this moving deck (1062) through the through hole of this cover plate (1064), running rope groove (1067) is combined with this quiet grooving (1066) to be blocked fixing by the wire rope (14) through between this running rope groove (1067) and quiet grooving (1066).
4. flexible top pull-type hydraulic power pile-sinking machine as claimed in claim 3, is characterized in that, described quiet deck (1061) both sides have been provided with the gusset (1068) of booster action.
5. flexible top pull-type hydraulic power pile-sinking machine as claimed in claim 1, it is characterized in that, described screw rod wire line shoe (107) comprises quiet deck, moving deck and screw rod, this quiet deck top is fixed with cover plate with through hole to form an accommodation space, this moving deck is located in this accommodation space actively, in this quiet deck, be provided with quiet grooving, this moving deck is provided with and the corresponding running rope groove of this quiet grooving, this screw device on the cover board, under the turn of screw rod, wire rope (14) clamping is fixing.
6. flexible top pull-type hydraulic power pile-sinking machine as claimed in claim 5, is characterized in that, described quiet deck both sides have been provided with the gusset of booster action.
7. flexible top pull-type hydraulic power pile-sinking machine as claimed in claim 1, is characterized in that, described power house (2) top is arranged with two auxiliary clip pile oil cylinders (13).
8. flexible top pull-type hydraulic power pile-sinking machine as claimed in claim 1, is characterized in that, described promotion oil cylinder (43) is provided with camera (49).
9. flexible top pull-type hydraulic power pile-sinking machine as claimed in claim 1, is characterized in that, described cap seat (41) bottom is provided with pile cover cover (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310526247.2A CN103541361B (en) | 2013-10-31 | 2013-10-31 | Flexible ejection pulling type hydraulic power pile sinking machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310526247.2A CN103541361B (en) | 2013-10-31 | 2013-10-31 | Flexible ejection pulling type hydraulic power pile sinking machine |
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| Publication Number | Publication Date |
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| CN103541361A CN103541361A (en) | 2014-01-29 |
| CN103541361B true CN103541361B (en) | 2014-10-01 |
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|---|---|---|---|
| CN201310526247.2A Active CN103541361B (en) | 2013-10-31 | 2013-10-31 | Flexible ejection pulling type hydraulic power pile sinking machine |
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| CN107747311A (en) * | 2017-11-22 | 2018-03-02 | 魏超军 | A kind of construction material protection column pile driving equipment |
| CN110307717B (en) * | 2019-05-13 | 2024-07-19 | 浙江骐骥环境科技有限公司 | High-efficient sealed rotary kiln |
| CN112982426B (en) * | 2021-02-07 | 2022-09-16 | 中铁广州工程局集团深圳工程有限公司 | Construction method of underground assembly type station precast pile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5253958A (en) * | 1993-02-08 | 1993-10-19 | Serge Bellemare | Device for driving a stake into the ground |
| CN201362849Y (en) * | 2009-05-08 | 2009-12-16 | 湖南新天和工程设备有限公司 | Force transmission and accurate insertion device of hydraulic power pile driver |
| CN101736742B (en) * | 2010-02-10 | 2011-04-13 | 湖南新天和工程设备有限公司 | Hydraulic power pile driver with hammer penetration pile test function |
| CN101775805B (en) * | 2010-02-10 | 2011-03-23 | 湖南新天和工程设备有限公司 | Push-pull-type hydraulic power pile-sinking machine |
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