CN103590402A - Trapezoid screw ejecting and pulling type hydraulic power pile driving machine - Google Patents
Trapezoid screw ejecting and pulling type hydraulic power pile driving machine Download PDFInfo
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- CN103590402A CN103590402A CN201310625126.3A CN201310625126A CN103590402A CN 103590402 A CN103590402 A CN 103590402A CN 201310625126 A CN201310625126 A CN 201310625126A CN 103590402 A CN103590402 A CN 103590402A
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Abstract
A trapezoid screw ejecting and pulling type hydraulic power pile driving machine comprises two trapezoid screws, a positioning frame and two lifting oil cylinders. The two trapezoid screws penetrate through an impact body and a hit pulling and pressing box after being screwed out of trapezoid nuts of a pile cap and are driven by a transmission mechanism at the bottom of the hit pulling and pressing box to rotate synchronously, and a guide frame and a pull rod in the prior art can be replaced. The positioning frame is arranged at the top end of a power chamber, an arc-shaped plate driven by a second push oil cylinder is arranged on the positioning frame, and the trapezoid screws can be positioned through the arc-shaped plate so that the upper end of each trapezoid screw can be prevented from swinging leftward and rightward and the perpendicularity can be prevented from being influenced. A circular ball monk-head-shaped part and an elliptical ball monk-head-shaped part are arranged at a cylinder end of each lifting oil cylinder and a piston rod end of the lifting oil cylinder, and each elliptical ball monk-head-shaped part has an activity space, the pressure drops of oil pipelines of the two lifting oil cylinders are kept the same, and the two lifting oil cylinders can synchronously work.
Description
Technical field
The present invention relates to the push-pull-type hydraulic power pile-sinking machine in piling machinery, be specifically related to a kind of push-pull-type hydraulic power pile-sinking machine that substitutes existing leading truck and pull bar with trapezoidal screw.
Background technology
Hydraulic hammer is extensive use already in countries in the world, but formula technique is hit on the top that process for sinking remains several thousand, by sledgehammer strike on stake top, make micro-crack ubiquity, and weight and hoist cylinder are for going here and there and hit up and down, the length of hydraulic hammer is large, noise source is from eminence toward declining, and propagation distance is increased.Therefore the applicant has researched and developed push-pull-type hydraulic power pile-sinking machine and has had the hydraulic power pile-sinking machine that hammer passes through test pile concurrently, main point is: 1. with general two-way cylinder, as hoist cylinder, from impact body, passed through with hitting tension and compression case, these two hoist cylinders are installed in parallel, and overall length reduces at double; 2. impact body section adopts large-area cake formula, and impact stress reduces, and noise intensity reduces, and is hit face ground proximity, and caprone plastic plate, sound insulation, windproof, rainproof, printing opacity are equipped with again in power house four sides; 3. adopt push-pull-type technique, impact body-hit tension and compression case-round steel bar (stake)-pile cover, forms one totally, to protect the quality of pile crown.But shortcoming is also outstanding, pile cover is placed on overhead, stake top, for pile extension must hang a new stake, therefore, need a little loop wheel machine of another installation pile cover to be hung to the top of leading truck, and go over to side translation with oil cylinder, after new stake has been hung, then pile cover is devolved to original position, cover on new stake top.Therefore, the height of leading truck must be far longer than the length of pile body, and the gin pole of loop wheel machine also needs to lengthen, and operator's vision is variation also, and client has larger suggestion to this, must solve.
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 trapezoidal screw push-pull-type hydraulic power pile-sinking machine is provided, with trapezoidal screw, replace existing leading truck and pull bar, form and hit the actuating system that tension and compression case-trapezoidal screw-pile cover is integrated.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of trapezoidal screw push-pull-type hydraulic power pile-sinking machine, it comprises power house, locating rack, with the pile cover of tongue, hit tension and compression case, impact body and hoist cylinder, be characterized in, also comprise two trapezoidal screws, the middle part at these pile cover two ends is respectively processed with a trapezoidal nut, the lower end of this trapezoidal screw screws out after this trapezoidal nut, pass impact body and hit tension and compression case, this bottom half that is hit tension and compression case is provided with transmission mechanism, to drive two trapezoidal screws synchronously to rotate.
Above-mentioned transmission mechanism comprises three-phase alternating-current motor, double-deck minor diameter sprocket wheel and two large diameter sprockets, this three-phase alternating-current motor is fixed on bottom half by motor bracket, this bilayer minor diameter sprocket wheel is loaded on the turning cylinder of this three-phase alternating-current motor, this two large diameter sprocket is located at respectively the bottom of two trapezoidal screws, and is connected with this bilayer minor diameter sprocket wheel by chain.
The bottom of above-mentioned trapezoidal screw is arranged with horizontal bearing and the assurance trapezoidal screw vertical direction of the axial stretching resistance of increase being installed in bearing bracket stand and rotates cod flexibly.This horizontal bearing is dull and stereotyped bearing, and this cod is ball bearing.
Above-mentioned power house top is equiped with locating rack, be highly 1/3rd of pile body length, in the middle of this locating rack, be provided with through hole, the middle part of these both sides, locating rack top is respectively equipped with fixed mount, this fixed mount is provided with the second promotion oil cylinder, and this second cylinder barrel that promotes oil cylinder is fixed on fixed mount, and tailpiece of the piston rod is connected with arc, under the effect of the second promotion oil cylinder, its piston rod promotes arc trapezoidal screw is positioned.
The cylinder barrel bottom installing ball shaven head of above-mentioned hoist cylinder, this ball shaven head and cylinder barrel ball cup are hinged, this cylinder barrel ball cup is fixed on the base plate of this power house, oval ball shaven head is installed in the piston rod end of this hoist cylinder, on this impact body, be fixed with piston rod bulb seat, in this piston rod bulb seat, be provided with an accommodation space, with accommodating this ellipse ball shaven head, and the oil pipeline of this two hoist cylinder keeps identical pressure drop.
Above-mentioned trapezoidal screw is for being provided with trapezoidal thread, screw rod that pitch is large outward, it passes through joint spreading by several sections of small screws, one end of this joint is forward screw thread, the other end is reverse thread, and the inner side, small screw two ends of respectively saving of trapezoidal screw is respectively equipped with the screw thread corresponding with forward and reverse screw thread of this joint.
The above-mentioned casing upper surface that is hit tension and compression case is equiped with array leaf spring in stake hole surrounding, and this tank ends middle part is respectively equipped with trapezoidal screw perforation, and this middle part, impact body two ends is provided with trapezoidal screw through hole.
The top of above-mentioned pile cover is provided with two first and promotes oil cylinder, this first cylinder barrel that promotes oil cylinder is fixed on pile cover top, and tailpiece of the piston rod connects one and drives plate, and this drives the another end of plate to be connected with this tongue, under the effect at the first promotion oil cylinder, piston rod drives tongue to move.
So, the present invention is driven by a three-phase alternating-current motor with two trapezoidal screws, makes two bar energy synchronous rotaries, pile cover horizontal lifting, and its function has replaced the leading truck mentioned in background technology and the effect of pull bar completely; The cylinder barrel of hoist cylinder and tailpiece of the piston rod are installed respectively ball shaven head and oval ball shaven head, and make the oil pipeline of this two hoist cylinder keep identical pressure drop, can make two hoist cylinder synchronous workings; In addition, the arc by the second promotion oil cylinder pushing is set on locating rack, can locates trapezoidal screw, to prevent that trapezoidal screw upper end from swinging and affecting verticality.
Accompanying drawing explanation
Fig. 1 is exchange structure chart of the present invention.
Fig. 2 is power house arrangement diagram of the present invention.
Fig. 3 a is pile cover structure chart of the present invention.
Fig. 3 b is pile cover top view of the present invention.
Fig. 4 a is the structural representation that is hit tension and compression case of the present invention.
Fig. 4 b is the top view that is hit tension and compression case of the present invention.
Fig. 5 a is locating rack structural representation of the present invention.
Fig. 5 b is the top view of locating rack of the present invention.
Fig. 6 is the countermeasure figure of hoist cylinder of the present invention when asynchronous.
Fig. 7 is electric-control system schematic diagram of the present invention.
Fig. 8 is electric-control system principle assumption diagram of the present invention.
The specific embodiment
Referring to Fig. 1 and Fig. 2, the present invention is trapezoidal screw push-pull-type hydraulic power pile-sinking machine, and it comprises mainframe 1, power house 2, locating rack 3, with pile cover 4, two trapezoidal screws 5, loop wheel machine 6, master-control room 7 and walking and the slew gear 8 etc. of tongue 41.This power house 2 is divided into upper and lower two joints, is provided with and is hit tension and compression case 9, impact body 10, hoist cylinder 11 and stroke adjuster 12 etc. in this power house 2, and the screw rod of this hoist cylinder 11 and stroke adjuster 12 is through this impact body 10 and hit tension and compression case 9.Because the present invention is the improvement of carrying out on the basis of two pile sinking machines 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.Only with regard to improvements of the present invention, set forth below.
Referring to Fig. 3 a and Fig. 3 b, this pile cover 4 is welded by die, sheet material, 42 of two risers in middle level be provided with two can be mobile in opposite directions tongue 41, the top of this pile cover 4 is provided with two first and promotes oil cylinder 43, this first cylinder barrel that promotes oil cylinder 43 is fixed on pile cover 4 tops, tailpiece of the piston rod connects one and drives plate 44, this drives the another end of plate 44 to be connected with this tongue 41, under the effect at the first promotion oil cylinder 43, piston rod drives tongue 41 to move, and two tongues 41 when involutory, can be held in pile cover on stake top, while opening, pile body is through pile cover.Wherein on the cylinder barrel of one first promotion oil cylinder 43, establish camera 45 is housed, can be used to observe the situation that plugs together on pile cover and stake top.The middle part at these pile cover 4 two ends is respectively processed with a trapezoidal nut 46, this trapezoidal screw 5 can this trapezoidal nut 46 of precession in, drive pile cover 4 to move up and down.The middle part, lower end of this pile cover 4 is provided with pile protection 47.
Referring to Fig. 4 a and Fig. 4 b, these casing 91 upper surfaces that hit tension and compression case 9 are equiped with array leaf spring 93 in stake hole 92 surroundings, and this leaf spring 93 has large rigidity and durability, in order to vibration damping, discharge elastic force, delay the effect of shock wave positive half-wave to pile top.This casing 91 is provided with hoist cylinder perforation 94 and stroke adjuster screw rod perforation 95, and be respectively equipped with trapezoidal screw perforation 96 in casing 91 middle parts, two ends, in conjunction with referring to Fig. 2, impact body 10 middle parts, two ends are provided with trapezoidal screw through hole (not shown), the lower end of this trapezoidal screw 5 screws out after trapezoidal nut 46, through the trapezoidal screw through hole of impact body 10 and the trapezoidal screw perforation 96 of being hit tension and compression case 9, and in the bottom of this trapezoidal screw 5, be arranged with horizontal bearing 97 and the cod 98 being installed in bearing bracket stand 99.Wherein, this horizontal bearing 97 is dull and stereotyped bearing, vertical with the axis of this trapezoidal screw 5, and to increase axial stretching resistance, this cod 98 is ball bearing, can guarantee vertical direction rotation flexibly.
These casing 91 bottoms of being hit tension and compression case 9 are separately provided with the transmission mechanism 13 that makes two trapezoidal screws 5 synchronous, this transmission mechanism 13 comprises three-phase alternating-current motor 131, double-deck minor diameter sprocket wheel 132 and two large diameter sprockets 133, this three-phase alternating-current motor 131 is fixed by motor bracket 134 and casing 91 bottoms, this bilayer minor diameter sprocket wheel 132 is loaded on the turning cylinder of this three-phase alternating-current motor 131, these two large diameter sprockets 133 are located at respectively two cod 98 belows, and be connected with this bilayer minor diameter sprocket wheel 132 by chain, play decelerating effect.Under the effect of three-phase alternating-current motor 131, by double-deck minor diameter sprocket wheel 132, drive the large diameter sprocket 133 of trapezoidal screw 5 lower ends, make two trapezoidal screw 5 synchronous rotaries, pile cover horizontal lifting, its function has replaced the effect of leading truck of the prior art and pull bar completely.
Referring to Fig. 5 a and Fig. 5 b, this locating rack 3 is installed on power house 2 tops, is highly 1/3rd left and right of pile body length, not affect loop wheel machine 6 operations.In the middle of this locating rack 3, be provided with through hole 31, for pile body enters the passage passing in and out with pile cover, the middle part of these locating rack 3 both sides, top is respectively equipped with fixed mount 32, this fixed mount 32 is provided with the second promotion oil cylinder 33, this second cylinder barrel that promotes oil cylinder 33 is fixed on fixed mount 32, and tailpiece of the piston rod is connected with arc 34.When the piston rod of the second promotion oil cylinder 33 is retracted, pile cover can move by easy on and off, when piston rod stretches out, can position by 34 pairs of trapezoidal screws 5 of arc, prevents that trapezoidal screw 5 upper ends from swinging, and affects its verticality.
In addition, two hoist cylinders that are arranged in parallel 11 drive together impact body 10 and are hit tension and compression case 9, two hoist cylinders be synchronously the condition that keeps normal operation, therefore, the present invention has done following improvement to this two hoist cylinder 11: the one, and the oil supply pipe of two hoist cylinders is consistent to oily resistance as far as possible; The 2nd, the structure of this hoist cylinder has been done to a little variation, to improve its service condition.Referring to Fig. 6, the present invention is in the cylinder barrel bottom installing ball shaven head 111 of this hoist cylinder 11, this ball shaven head 111 is hinged with cylinder barrel ball cup 112, this cylinder barrel ball cup 112 is fixed on the base plate of this power house 2, in conjunction with referring to Fig. 2, oval ball shaven head 113 is installed in the piston rod end of this hoist cylinder 11, on this impact body 10, is fixed with piston rod bulb seat 114, in this piston rod bulb seat 114, be provided with an accommodation space 115, with accommodating this ellipse ball shaven head 113.So, the hoist cylinder on right side in Fig. 2 of take is example, when this right side hoist cylinder rises soon, impact body the right is high, and the left side is low, and the oval ball shaven head 113 of piston rod is interior toward the right skew in accommodation space 115, while there is the small discrepancy in elevation with assurance, two hoist cylinders can continue run-in synchronism.
Whole process of the present invention and minute journey process summary:
1. the arc of retraction locating rack, hangs in pile body with loop wheel machine the pile cover of having opened a hole in power house, the circular jaw forming through clip pile oil cylinder 14, and align piles position, welds pile top.
2. press button QA1 in Fig. 7, magnetic starter BZ adhesive, three-phase alternating-current motor M forward, make trapezoidal screw forward, pile cover rises, and presses the button TA1 while arriving on stake top, three-phase alternating-current motor M stall, camera is observed pile top whether in the stake hole of pile cover central authorities, operates the first promotion oil cylinder, make tongue closed, press the button QA2, make three-phase alternating-current motor M reversion, trapezoidal screw reversion pile cover moves down, be pressed on pile crown, preparation completes.
3. whole process is adjusted.Omnidistance definition: in power house, the standing point of impact body is that O point distance definition of (maximum height deducts one section of safe altitude) to the maximum safe altitude of power house is whole process; It is a definite value.The method that whole process is adjusted is: impact body rises separately under the jacking of hoist cylinder, when tension and compression box plate is hit in the force bearing plate contact of the screw rod lower end of the stroke adjuster on impact body, hoist cylinder just promotes impact body together with being hit tension and compression case, while reaching approach switch LK1, hoist cylinder stops promoting, omnidistance just out.
4. a minute journey is adjusted.Ground soft hammering in earth's surface is highly little, and the harder hammering height of geology proterties will strengthen.Therefore the height that minute journey is set by 0.2m within 1.2m, method is: by keyboard input minute number of passes value, when the CD (stroke CD) of stroke adjuster sends light pulse, by counter, pass and be changed to electric pulse, input digital comparator is when this numeral equates with the numeral of encoder output, and midget relay F0 is closed.After whole process is covered, closed the giving under the oil-filled impact body high speed of lifting cylinder pressure rod chamber of approach switch LK1 hit, strike is to being hit on tension and compression case, leaf spring on it is played cushioning effect by pressure, delay the effect of impact force to pile cover simultaneously, elastic button AK1 is housed on the space of leaf spring, now by pressing, sufficient oily to hoist cylinder rodless cavity through of short duration time delay, when impact body promotes a minute journey, the force bearing plate of the screw rod lower end of stroke adjuster is run into the elastic button AK2 being hit on tension and compression case bottom surface, AK2 ', transfer to the rod chamber of hoist cylinder oil-filled, make to hit under impact body high speed, so repeatedly several times, omnidistance section approaches complete, transfer in time another whole process to.
Pile extension embodiment of the present invention: after a pile has been pressed, add in addition a pile, allow the two dock, and weld, pile body is continued toward pressing down, pile extension operation is as follows:
1. the arc on locating rack is fallen back on limit by the second promotion oil cylinder, pass through space to one of pile cover;
2. the tongue in pile cover is pushed open by the first promotion oil cylinder, to expose a hole;
3. with loop wheel machine, new stake is hung in to power house, from the stake hole of pile cover, pass;
4. make that trapezoidal screw is rotated in the forward, pile cover rises;
5. the old and new's stake is welded;
6. continue to make trapezoidal screw forward, when pile cover surpasses arc, immediately arc is pushed out, to trapezoidal screw location, it can not swung;
7. when pile cover is raised to the top of new stake, release tongue, pile cover is built;
8. trapezoidal screw reversion is covered tightly to pile cover, pile extension completes.
Referring to Fig. 7 and Fig. 8, electric-control system embodiment of the present invention is as follows:
1. the toggle switch K1 that closes disconnects toggle switch K2, and contactor Z obtains electric, the servomotor Dm forward of stroke adjuster, and the screw rod of stroke adjuster rises, and lower end force bearing plate rises together, simultaneously clip pile oil cylinder pine folder;
2. force bearing plate is run into the elastic button AK2 on the base plate that is hit tension and compression case, AK2 ', contact AK2(107-109) disconnect, Z dead electricity, Dm forward stops, but contact AK2(101-111) close, contactor F is obtained electric, Dm reversion, infrared diode RL2 obtains electric, counter in stroke adjuster starts counting, midget relay F0 adhesive when it is identical with the numeral of encoder output, contact F0(101-105) connect auxiliary reclay J0, make F dead electricity, Dm stops reversion, contact J0(101-113) connect 1YA, give hoist cylinder rodless cavity oil-filled, on impact body, carry, AK2 ' is although (135-131) closed, but toggle switch K2 pulls open, this branch road cannot be connected,
3. impact body is rising, although its load utmost point butt AK
2, AK
2', but because toggle switch K2 pulls open, therefore two button closures, also without conduct, make impact body drive be hit tension and compression case and rise together;
4. it is closed with regard to moment when impact body is near approach switch LK1, but the instantaneous closure of time relay sj 1 meeting, time delay discharges, to making auxiliary reclay J1 adhesive reliably, contact J1(101-115) connect 2YA, give hoist cylinder rod chamber oil-filled, contact J1(101-117) connect clip pile oil cylinder, make it to hold tightly pile body and form and to be hit tension and compression case-trapezoidal screw-pile cover-pile body and be integrated, jointly sink, now signal RL3 is bright for the toggle switch K2(that now should close fast);
5. impact body hits and is being hit on tension and compression case, makes again elastic button AK1 pressing, contact AK1 (101-125) relay turn-on time SJ
2power supply, in its of short duration time delay, 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 weight, makes it to lose destruction;
6. contact SJ2(101-129) connect auxiliary reclay J2, J2(101-113) connect 1YA power supply, give hoist cylinder rodless cavity oil-filled, impact body rises, and now auxiliary reclay J1 has not worked, so contact J1 (126-139) is normally closed, use relay J 0 to recover adhesive, contact J0(101-113) continue the power supply to 1YA, when hoist cylinder rises to a minute Cheng Gaodu by impact body, force bearing plate makes AK
2' closure, it is electric that AK2 ' (135-131) obtains time relay sj 3, its instantaneous closure of contact, time delay disconnects, and it is electric that contact SJ3 (101-133) obtains auxiliary reclay J3, contact J3(101-115) to 2YA power transmission, hoist cylinder rod chamber obtains oil-filled, under impact body, hits;
7. repeatedly after several minutes journeys, whole process will be walked to be over, should re-establish a new whole process, method is: manually toggle switch K2 is pulled open, make time relay sj 3, auxiliary reclay J3 dead electricity, contact J3(101-129) connect auxiliary reclay J2 contact, J2 (101-113) connects 1YA, oil-filled to hoist cylinder rodless cavity, impact body is promoted together with hitting tension and compression case, when impact body is during near approach switch LK1, time relay sj 1 closure, signal lamp RL3 is shinny, manually toggle switch K2 is closed, contact J1(101-117) make clip pile oil cylinder clamp pile body.
Startup and the stall of trapezoidal screw there is no need automatic control, manual operation start button QA1, and magnetic starter BZ adhesive three-phase alternating-current motor M is rotated in the forward, and pile cover rises, and presses stop button TA1, stops rising; Press start button QA2, magnetic starter BF adhesive, three-phase alternating-current motor M reverse rotation, pile cover declines, and presses stop button TA2, stops declining.
Claims (10)
1. a trapezoidal screw push-pull-type hydraulic power pile-sinking machine, it comprises power house (2), locating rack (3), the pile cover (4) of band tongue (41), hit tension and compression case (9), impact body (10) and two hoist cylinders (11), it is characterized in that, also comprise two trapezoidal screws (5), the middle part at this pile cover (4) two ends is respectively processed with a trapezoidal nut (46), the lower end of this trapezoidal screw (5) screws out after this trapezoidal nut (46), pass impact body (10) and hit tension and compression case (9), this casing (91) bottom of being hit tension and compression case is provided with transmission mechanism (13), to drive two trapezoidal screws (5) synchronously to rotate.
2. trapezoidal screw push-pull-type hydraulic power pile-sinking machine as claimed in claim 1, it is characterized in that, described transmission mechanism (13) comprises three-phase alternating-current motor (131), double-deck minor diameter sprocket wheel (132) and two large diameter sprockets (133), this three-phase alternating-current motor (131) is fixed on casing (91) bottom by motor bracket (134), this bilayer minor diameter sprocket wheel (132) is loaded on the turning cylinder of this three-phase alternating-current motor (131), this two large diameter sprocket (133) is located at respectively the bottom of two trapezoidal screws (5), and be connected with this bilayer minor diameter sprocket wheel (132) by chain.
3. trapezoidal screw push-pull-type hydraulic power pile-sinking machine as claimed in claim 1, it is characterized in that, the bottom of described trapezoidal screw (5) is arranged with and is installed in the horizontal bearing (97) of the axial stretching resistance of increase in bearing bracket stand (99) and guarantees that trapezoidal screw vertical direction rotates cod (98) flexibly.
4. trapezoidal screw push-pull-type hydraulic power pile-sinking machine as claimed in claim 3, is characterized in that, described horizontal bearing (97) is dull and stereotyped bearing, and this cod (98) is ball bearing.
5. trapezoidal screw push-pull-type hydraulic power pile-sinking machine as claimed in claim 1, it is characterized in that, described power house (2) top is equiped with locating rack (3), in the middle of this locating rack (3), be provided with through hole (31), the middle part of this locating rack (3) both sides, top is respectively equipped with fixed mount (32), this fixed mount (32) is provided with the second promotion oil cylinder (33), this second cylinder barrel that promotes oil cylinder (33) is fixed on fixed mount (32), tailpiece of the piston rod is connected with arc (34), under the effect of the second promotion oil cylinder (33), its piston rod promotes arc (34) trapezoidal screw (5) is positioned.
6. trapezoidal screw push-pull-type hydraulic power pile-sinking machine as claimed in claim 5, is characterized in that, the height of described locating rack (3) is 1/3rd of pile body length.
7. trapezoidal screw push-pull-type hydraulic power pile-sinking machine as claimed in claim 1, it is characterized in that, the cylinder barrel bottom installing ball shaven head (111) of described hoist cylinder (11), this ball shaven head (111) is hinged with cylinder barrel ball cup (112), this cylinder barrel ball cup (112) is fixed on the base plate of this power house (2), oval ball shaven head (113) is installed in the piston rod end of this hoist cylinder (11), on this impact body (10), be fixed with piston rod bulb seat (114), in this piston rod bulb seat (114), be provided with an accommodation space (115), with accommodating this ellipse ball shaven head (113), and the oil pipeline of this two hoist cylinder (11) keeps identical pressure drop.
8. trapezoidal screw push-pull-type hydraulic power pile-sinking machine as claimed in claim 1, it is characterized in that, described trapezoidal screw (5) is for being provided with trapezoidal thread, screw rod that pitch is large outward, it passes through joint spreading by several sections of small screws, one end of this joint is forward screw thread, the other end is reverse thread, and the inner side, small screw two ends of respectively saving of trapezoidal screw (5) is respectively equipped with the screw thread corresponding with forward and reverse screw thread of this joint.
9. trapezoidal screw push-pull-type hydraulic power pile-sinking machine as claimed in claim 1, it is characterized in that, described casing (91) upper surface that is hit tension and compression case (9) is equiped with array leaf spring (93) in stake hole (92) surrounding, middle part, this casing (91) two ends is respectively equipped with trapezoidal screw perforation (96), and middle part, this impact body (10) two ends is provided with trapezoidal screw through hole.
10. trapezoidal screw push-pull-type hydraulic power pile-sinking machine as claimed in claim 1, it is characterized in that, the top of described pile cover (4) is provided with two first and promotes oil cylinder (43), this first cylinder barrel that promotes oil cylinder (43) is fixed on pile cover (4) top, tailpiece of the piston rod connects one and drives plate (44), this drives the another end of plate (44) to be connected with this tongue (41), and under the effect at the first promotion oil cylinder (43), piston rod drives tongue (41) mobile.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310625126.3A CN103590402B (en) | 2013-11-29 | 2013-11-29 | Trapezoid screw ejecting and pulling type hydraulic power pile driving machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310625126.3A CN103590402B (en) | 2013-11-29 | 2013-11-29 | Trapezoid screw ejecting and pulling type hydraulic power pile driving machine |
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| CN103590402A true CN103590402A (en) | 2014-02-19 |
| CN103590402B CN103590402B (en) | 2014-10-01 |
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| CN106522205A (en) * | 2016-12-30 | 2017-03-22 | 上海市机械施工集团有限公司 | Pile cap |
| CN107989041A (en) * | 2016-10-27 | 2018-05-04 | 上海工程机械厂有限公司 | A kind of static-pressure pile planting machine |
| CN110329954A (en) * | 2019-05-22 | 2019-10-15 | 大族激光科技产业集团股份有限公司 | Jacking system |
| CN113026748A (en) * | 2019-12-24 | 2021-06-25 | 江苏金风科技有限公司 | Single pile foundation guiding device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989041A (en) * | 2016-10-27 | 2018-05-04 | 上海工程机械厂有限公司 | A kind of static-pressure pile planting machine |
| CN107989041B (en) * | 2016-10-27 | 2023-09-19 | 上海工程机械厂有限公司 | Static pressure pile planting machine |
| CN106522205A (en) * | 2016-12-30 | 2017-03-22 | 上海市机械施工集团有限公司 | Pile cap |
| CN110329954A (en) * | 2019-05-22 | 2019-10-15 | 大族激光科技产业集团股份有限公司 | Jacking system |
| CN113026748A (en) * | 2019-12-24 | 2021-06-25 | 江苏金风科技有限公司 | Single pile foundation guiding device |
| US11718970B2 (en) | 2019-12-24 | 2023-08-08 | Jiangsu Goldwind Science & Technology Co., Ltd. | Monopile foundation guiding device |
Also Published As
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|---|---|
| CN103590402B (en) | 2014-10-01 |
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