CN109989401A - Guide rod type tilt cylinder hydraulic pile hammer - Google Patents
Guide rod type tilt cylinder hydraulic pile hammer Download PDFInfo
- Publication number
- CN109989401A CN109989401A CN201910390802.0A CN201910390802A CN109989401A CN 109989401 A CN109989401 A CN 109989401A CN 201910390802 A CN201910390802 A CN 201910390802A CN 109989401 A CN109989401 A CN 109989401A
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- pile
- guide rod
- cylinder body
- cylinder
- hydraulic
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- 241000282693 Cercopithecidae Species 0.000 claims abstract description 76
- 210000004907 gland Anatomy 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 6
- 238000010009 beating Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 235000011464 Pachycereus pringlei Nutrition 0.000 description 2
- 240000006939 Pachycereus weberi Species 0.000 description 2
- 235000011466 Pachycereus weberi Nutrition 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/02—Placing by driving
- E02D7/06—Power-driven drivers
- E02D7/10—Power-driven drivers with pressure-actuated hammer, i.e. the pressure fluid acting directly on the hammer structure
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses a kind of guide rod type tilt cylinder hydraulic pile hammers, including upper beam, guide rod and lower beam, upper beam and lower beam are fixedly installed in the both ends of guide rod respectively, it is slidably supported on guide rod to have pile monkey, expansion bearing has hydraulic cylinder on upper beam, the cylinder body of the hydraulic cylinder is hinged on upper beam by cylinder body supporter, and the piston rod extension end of hydraulic cylinder is mutually hinged by pile monkey connector with pile monkey；The pile monkey connector and cylinder body supporter are all made of gimbal structure.The gimbal structure of the pile monkey connector and cylinder body supporter is ball-type hinge structure or cardan (hookes)universal joint.The cylinder body supporter is cardan (hookes)universal joint, and the pile monkey connector is ball-type connects hinge.The drift angle of guide rod tilt cylinder hydraulic pile hammer energy the effective compensation pile monkey direction of motion and hydraulic cylinder axis, avoids the eccentric wear of hydraulic cylinder, has high-efficient, stable advantage of driving piles.
Description
Technical field
The present invention relates to leading for a kind of piling machinery for architectural engineering foundation construction more particularly to a kind of hydraulic-driven
Rod-type pile hammer.
Background technique
Hydraulic pile hammer have the characteristics that piling is high-efficient, noise low vibration is small, without fume pollution, hydraulic pile hammer presses liquid
The structure and working principle of cylinder pressure can be divided into single-acting formula and two kinds of double-acting type, then be to be divided into guide rod type liquid by its guide frame
Press pile hammer and cylinder type hydraulic hammer.Guide rod type hydraulic pile hammer has the advantage structurally reasonable, steering capability is stable, it is mainly wrapped
It includes two pile monkey guide rods being parallel to each other, on the slidably supported guide rod of pile monkey, has been respectively fixedly connected at the both ends of guide rod
Crossbeam and lower beam, hydraulic cylinder are fixedly installed on upper beam, and pile monkey is then connected to hydraulic cylinder piston rod end；It is hydraulic when piling
Cylinder is slided up and down as power source drive pile monkey along guide rod, and is realized and hit pile sinking to foundation pile.
With the continuous expansion of pile foundation engineering boundary of works area, not only size becomes increasing to existing foundation pile, but also occurs
The pileworks of the diversified forms such as straight stake and taper pile.Since the pile monkey of hydraulic pile hammer moves back and forth leading dependent on its guide rod
To, and the driving principle of pile monkey is hydraulic cylinder, and ideally, vibration-direction, center of pilot line and the hydraulic cylinder of pile monkey
Center line must keep being parallel to each other, to guarantee that pile hammer is stable, efficient operation, this requires pile hammer have it is higher and more
The stable accuracy of manufacture, installation accuracy.But hydraulic pile hammer is in severe impact vibrational state in the actual construction process,
The manufacture installation accuracy of hammering direction and guiding clearance and pile monkey itself can make the offset of pile monkey vibration-direction hydraulic
The center line of cylinder, so that the working condition of serious deterioration hydraulic pile hammer, not only will increase the operation troubles of hydraulic pile hammer, contracting
The service life of short hydraulic pile hammer, and substantially reduce the piling efficiency of pile hammer.
Especially when to large-scale taper pile construction operation, pile monkey is mutual along the vibration-direction and pile monkey gravity direction of guide rod
Intersect, picks up ton weight since pile monkey self weight often reaches number, it is easy to cause the bending or deformation of guide rod, the reciprocating motion side of pile monkey
To the center line for always deviating hydraulic cylinder, pile monkey generates radial component to the piston rod of hydraulic cylinder, so that the flexible fortune of piston rod
It is dynamic to be biased to cylinder center side, cause hydraulic cylinder piston to generate cylinder holes, piston rod to cylinder body and sealing element and is biased to abrasion.Equally
Pile monkey to foundation pile hit caused by high vibration can also generate this deviations and wear, and wear can also be with beating for this deviation
It the raising of pile monkey blow energy and hits the increase of the frequency and sharply increases.Prolonged construction operation can also make pile hammer
Running precision decline, movement clearance become larger, these inevitable factors also necessarily cause hydraulic cylinder to be biased to the appearance worn.Liquid
The friction phenomenon of pressure pile hammer hydraulic cylinder can not only cause the continuous increase in gap between piston and cylinder holes, make piston two sides hydraulic cavities
Pressure difference is reduced, the piling efficiency decline of hydraulic pile hammer, and the damage of piston rod seal component can be caused even to fail, and is caused
Hydraulic oil leaks, so that the striking frequency degradation of pile hammer, or even can not work normally.
Summary of the invention
For above-mentioned deficiency present in the prior art, technical problem to be solved by the invention is to provide it is a kind of can be effective
The drift angle for compensating the pile monkey direction of motion and hydraulic cylinder axis, avoids the guide rod tilt cylinder hydraulic pile hammer of hydraulic cylinder eccentric wear.
To solve the above-mentioned problems, guide rod type tilt cylinder hydraulic pile hammer of the invention, including upper beam, guide rod and lower cross
Beam, upper beam and lower beam are fixedly installed in the both ends of guide rod respectively, slidably supported on guide rod to have a pile monkey, on the upper beam
Expansion bearing has hydraulic cylinder, and the cylinder body of the hydraulic cylinder is hinged on upper beam by cylinder body supporter, and the piston rod of hydraulic cylinder is stretched
Outlet is mutually hinged by pile monkey connector with pile monkey；The pile monkey connector and cylinder body supporter are all made of gimbal structure.
After adopting the above structure, since hydraulic cylinder is actively supported on upper beam by cylinder body supporter, while stake
Hammer is again by pile monkey connector hinge in the tailpiece of the piston rod of hydraulic cylinder, and pile monkey connector and cylinder body supporter are all made of ten thousand
To section structure, the follower structure of hydraulic cylinder and pile monkey is thus constituted, forms preferable deviation angle compensation ability, even if because
The reasons such as guide part bending, high vibration and kinematic accuracy deficiency cause the center line of pile monkey direction of motion deviation hydraulic cylinder,
Radial component will not be generated on the piston rod, so that the vibration-direction of piston rod and the direction of motion of pile monkey remain one
It causes, it is entirely avoided the generation of friction phenomenon between hydraulic cylinder piston and cylinder, hole piston rod and cylinder seal not only ensure that liquid
The normal operation of cylinder pressure, stabilizes the piling efficiency of hydraulic pile hammer, and greatly reduces the operation troubles of hydraulic pile hammer,
Effectively improve the service life of hydraulic pile hammer.Again due to pile monkey connector and cylinder body supporter be all made of it is general universal
Section structure, it is compact-sized reasonable to have, reliable for operation, the strong advantage of angle compensation ability；Using guide rod leading as pile monkey
To part, it is relatively reliable steady to hammer guiding role, movement flexibly, good directionality, not only contribute to meet pile hammer to enlargement,
The actual needs that large-tonnage direction is developed, and be conducive to the construction environment that hydraulic pile hammer is applicable in various complexity.
The gimbal structure of further embodiment of the invention, the pile monkey connector and cylinder body supporter is ball-type hinge
Chain structure or cardan (hookes)universal joint.The cylinder body supporter is cardan (hookes)universal joint, and the pile monkey connector is ball-type company
Connect hinge.Using ball-type hinge structure and cardan (hookes)universal joint, large carrying capacity is compact-sized reasonable, angle compensation effect
Stablize.
A kind of preferred embodiment of the invention, the cylinder body supporter include outer pendulum frame and interior pendulum frame, and interior pendulum frame is fixed
It being connected on cylinder body, outer pendulum frame is hinged on interior pendulum frame by balance staff two, and it is hinged in cylinder body support that outer pendulum frame also passes through balance staff one,
The axial line of balance staff one and balance staff two is mutually perpendicular to；Cylinder body support is fixedly installed on upper beam；The pile monkey connector includes
It is fixedly connected on the bulb of tailpiece of the piston rod, which is actively supported on ball cup by bulb gland, and ball cup is fixedly mounted
In on pile monkey.Cylinder body supporter uses Cardon universal joint structure, and pile monkey connector uses spherical hinge structure, structurally reasonable, convenient for peace
Dress and manufacture.
Another preferred embodiment of the invention, the cylinder body supporter include the spherical surface being fixedly connected on cylinder body
Block, the spherical surface block are actively supported between ball block and ball block gland, and the ball block and ball block gland being mutually permanently connected are fixed
It is installed on upper beam；The pile monkey connector includes the bulb for being fixedly connected on tailpiece of the piston rod, which passes through bulb gland
It is actively supported on ball cup, ball cup is fixedly installed on pile monkey.Angle compensation effect stability.
Yet another preferred form of the invention, the cylinder body supporter and pile monkey connector are all made of ball-type connecting hinge
Chain structure.Servo-actuated effect is good, and compensation ability is excellent.
Another preferred embodiment of the invention, the cylinder body supporter and pile monkey connector are all made of Cardon universal joint ten thousand
Xiang Jie.Bearing capacity is strong, and structure is more compact.
Also a kind of preferred embodiment of the invention, the cylinder body supporter are ball-type connects hinge, the pile monkey connection
Device is cardan (hookes)universal joint.Bearing capacity is strong, and it is good to be servo-actuated effect.
Further embodiment of the invention is provided with accumulator on the upper beam, which is connected with hydraulic cylinder
It is logical；Valve block is installed at the top of hydraulic cylinder.It is structurally reasonable, it is easily installed and safeguards.
Further embodiment of the invention, the downside of the lower beam are fixedly installed with to play sleeve, should replace and play set
It is movably set in cylinder for piston is beaten, plays pad replacing to beat between piston and pile monkey to be provided with to replace.Can effectively uniform hammer force, and
Protect pile body.
Detailed description of the invention
Guide rod tilt cylinder hydraulic pile hammer of the present invention is described further with reference to the accompanying drawings and detailed description.
Fig. 1 is a kind of three-dimensional structure diagram of specific embodiment of guide rod tilt cylinder hydraulic pile hammer of the present invention；
Fig. 2 is the main sectional structure chart of embodiment shown in FIG. 1；
Fig. 3 is I partial enlarged view in structure shown in Fig. 2;
Fig. 4 is the perspective view of hydraulic cylinder supporting structure in Fig. 1 illustrated embodiment;
Fig. 5 is the A of structure shown in Fig. 4 to sectional structure chart;
Fig. 6 is the B of structure shown in Fig. 4 to sectional structure chart;
Fig. 7 is the main sectional structure chart of guide rod tilt cylinder hydraulic pile hammer another kind specific embodiment of the present invention;
Fig. 8 is II enlarged view of Fig. 7 structure.
In figure, 1-lower beam, 2-pile monkeys, 3-guide rods, 4-pile monkey connectors, 5-piston rods, 6-upper beams, 7-
Cylinder body support, 8-cylinder body supporters, 9-cylinder bodies, 10-valve blocks, 11-accumulators, 12-for playing sleeve, and 13-replace and beat piston,
14-for pad is played, and 41-ball cups, 42-ball cup pressing plates, 43-bulbs, 44-bulb glands, 81-put frame outside, and 82-is interior
Put frame, 83-balance staffs one, 84-balance staffs two, 85-spherical surface blocks, 86-ball block glands, 87-ball blocks.
Specific embodiment
Embodiment one
Guide rod type tilt cylinder hydraulic pile hammer as shown in Figure 1 and Figure 2, the hydraulic pile hammer include two guide rods being parallel to each other 3,
Two guide rods 3 are all made of the identical cylinder hollow pipe of outer diameter, tubular structure mechanical strength with higher and rigidity.It is led at two
The apical position of bar 3 is fixedly connected with upper beam 6, and there are two hanging ring ears for setting on upper beam 6；It is solid in the lower end of two guide rods 3
Surely it is connected with lower beam 1, two guide rods 3 and upper beam 6 and lower beam 1 constitute stable framework.In the downside of lower beam 1
It is also fixedly connected with for sleeve 12 is played, should be movably set with for beating in sleeve 12 for piston 13 is beaten, and beat piston 13 and pile monkey 2 replacing
Between be provided with for playing pad 14；The pile monkey of hydraulic pile hammer passes through to play pad 14 and transmit for piston 13 is beaten by 2 hitting power of pile monkey
To pile body, to protect pile body not broken.Expansion bearing has pile monkey 2 on two guide rods 3, and pile monkey 2 is to weigh to count to pick up beating for ton
Hit weight；Slide-and-guide hole there are two setting on the hammer body of pile monkey 2, is embedded with sliding bearing bush in slide-and-guide hole, and pile monkey 2 is logical
It is slidably supported on guide rod 3 to cross sliding bearing bush.Accumulator 11 is provided on upper beam 6, which is connected with hydraulic cylinder
It is logical；Valve block 10 for being connected to hydraulic cylinder is installed at the top of hydraulic cylinder.Pass through 8 activity of cylinder body supporter on upper beam 6
It is supported with hydraulic cylinder, 5 extension end of piston rod of hydraulic cylinder passes through pile monkey connector 4 and 2 phase hinge of pile monkey.
Pile monkey connector 4 shown in Fig. 3 includes the fixed bulb 43 for being rotatably connected in 5 rod end of piston rod, which passes through ball
Head gland 44 is rotationally actively supported on ball cup 41, and ball cup 41 is fixedly installed in pile monkey 2 by ball cup pressing plate 42
On.Above structure constitutes a ball-type connects hinge.
As shown in Fig. 4, Fig. 5 and Fig. 6, cylinder body 9 is swingably supported on upper beam 6 by cylinder body supporter 8, the cylinder body
Supporter 8 includes being spaced apart from each other the outer pendulum frame 81 being arranged and interior pendulum frame 82, and interior pendulum frame 82 is fixedly connected on the cylinder body 9 of hydraulic cylinder
On, the balance staff 2 84 that outer pendulum frame 81 is located at 9 two sides of cylinder body by two is hinged on interior pendulum frame 82, which is in
Same axial line allows outer pendulum frame 81 and interior pendulum frame 82 around the opposite swing of axial line.Outer pendulum frame 81 is same also by two
Balance staff 1 positioned at 9 two sides of cylinder body is hinged, and on cylinder body support 7, two balance staffs 1 are also on same axial line, so that
Outer pendulum frame 81 can be swung around the axial line of balance staff 1.Cylinder body support 7 is fixedly installed on upper beam 6, balance staff 1 and pendulum
The axial line of axis 2 84 is mutually perpendicular to, to constitute cardan (hookes)universal joint.
Embodiment two
For the present embodiment in addition to 8 structure of cylinder body supporter is unlike the embodiments above, remaining structure is identical.
As shown in Figure 7, Figure 8, the cylinder body supporter 8 in the structure includes the spherical surface block 85 being fixedly connected on cylinder body 9, should
Spherical surface block 85 is swingably actively supported between ball block 87 and ball block gland 86.Ball block 87 connects by the way that connection bolt is fixed
It is connected on upper beam 6, ball block gland 86 is then fixedly installed on ball block 87 by connecting bolt.Spherical surface block, ball block and ball
Block gland constitutes one piece of ball-type hinge structure.
Embodiment three
Cylinder body supporter 8 and pile monkey connector 4 in the present embodiment are all made of ball-type connects hinge structure, such as ball bearing；
To implement the swing within the scope of 360 °.
Example IV
Cylinder body supporter 8 and pile monkey connector 4 in the present embodiment are all made of cross-axle universal shaft section structure, using cross-axle universal shaft
Section has large carrying capacity, compact-sized feature.
It is above-mentioned to have enumerated some preferred embodiments of the invention, but the present invention is not limited to the above embodiments.This hair
Cylinder body supporter and pile monkey connector in bright can also use other general universal joints or spherical hinge structure, therefore, as long as
Hydraulic cylinder is actively supported on upper beam, and the structure that piston rod and pile monkey are hinged each falls within protection scope of the present invention.
Claims (10)
1. a kind of guide rod type tilt cylinder hydraulic pile hammer, including upper beam (6), guide rod (3) and lower beam (1), upper beam (1) and under
Crossbeam (6) is fixedly installed in the both ends of guide rod (3) respectively, slidably supported on guide rod (3) to have pile monkey (2), it is characterised in that: institute
Stating expansion bearing on upper beam (6) has hydraulic cylinder, and the cylinder body (9) of the hydraulic cylinder is hinged in upper beam by cylinder body supporter (8)
(1) on, piston rod (5) extension end of hydraulic cylinder is mutually hinged by pile monkey connector (4) with pile monkey (2)；The pile monkey connector
(4) and cylinder body supporter (8) is all made of gimbal structure.
2. guide rod type tilt cylinder hydraulic pile hammer according to claim 1, it is characterised in that: the pile monkey connector (4) and
The gimbal structure of cylinder body supporter (8) is ball-type hinge structure or cardan (hookes)universal joint.
3. guide rod type tilt cylinder hydraulic pile hammer according to claim 1 or 2, it is characterised in that: the cylinder body supporter (8)
For cardan (hookes)universal joint, the pile monkey connector (4) is ball-type connects hinge.
4. guide rod type tilt cylinder hydraulic pile hammer according to claim 3, it is characterised in that: cylinder body supporter (8) packet
Outer pendulum frame (81) and interior pendulum frame (82) are included, interior pendulum frame (82) is fixedly connected on cylinder body (9), and outer pendulum frame (81) passes through balance staff two
(84) hinged on interior pendulum frame (82), outer pendulum frame (81) is also hinged in cylinder body support (7), balance staff one (83) by balance staff one (83)
It is mutually perpendicular to the axial line of balance staff two (84)；Cylinder body support (7) is fixedly installed on upper beam (6)；The pile monkey connector
It (4) include the bulb (43) for being fixedly connected on piston rod (5) end, which is actively supported on ball by bulb gland (44)
On headstock (41), ball cup (41) is fixedly installed on pile monkey (2).
5. guide rod type tilt cylinder hydraulic pile hammer according to claim 3, it is characterised in that: cylinder body supporter (8) packet
The spherical surface block (85) being fixedly connected on cylinder body (9) is included, which is actively supported on ball block (87) and ball block gland
(86) between, the ball block (87) and ball block gland (86) being mutually permanently connected are fixedly installed on upper beam (6)；The pile monkey
Connector (4) includes the bulb (43) for being fixedly connected on piston rod (5) end, which passes through bulb gland (44) activity branch
It holds on ball cup (41), ball cup (41) is fixedly installed on pile monkey (2).
6. guide rod type tilt cylinder hydraulic pile hammer according to claim 1 or 2, it is characterised in that: the cylinder body supporter (8)
Ball-type connects hinge structure is all made of with pile monkey connector (4).
7. guide rod type tilt cylinder hydraulic pile hammer according to claim 1 or 2, it is characterised in that: the cylinder body supporter (8)
Cardan (hookes)universal joint is all made of with pile monkey connector (4).
8. guide rod type tilt cylinder hydraulic pile hammer according to claim 1 or 2, it is characterised in that: the cylinder body supporter (8)
For ball-type connects hinge, the pile monkey connector (4) is cardan (hookes)universal joint.
9. guide rod type tilt cylinder hydraulic pile hammer according to claim 1, it is characterised in that: be arranged on the upper beam (6)
There are accumulator (11), which is connected with hydraulic cylinder；Valve block (10) are installed at the top of hydraulic cylinder.
10. guide rod type tilt cylinder hydraulic pile hammer according to claim 1, it is characterised in that: the downside of the lower beam (1)
Face, which is fixedly installed with to replace, beats sleeve (12), should be movably set with for beating in sleeve (12) for beat piston (13), and beat piston replacing
(13) it is provided between pile monkey (2) for pad (14) are beaten.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910390802.0A CN109989401A (en) | 2019-05-10 | 2019-05-10 | Guide rod type tilt cylinder hydraulic pile hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910390802.0A CN109989401A (en) | 2019-05-10 | 2019-05-10 | Guide rod type tilt cylinder hydraulic pile hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109989401A true CN109989401A (en) | 2019-07-09 |
Family
ID=67136478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910390802.0A Pending CN109989401A (en) | 2019-05-10 | 2019-05-10 | Guide rod type tilt cylinder hydraulic pile hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109989401A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233670A (en) * | 2021-04-23 | 2022-10-25 | 东台市巨力机械制造有限公司 | Guide rod type diesel big hammer device |
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| CN207567767U (en) * | 2017-10-24 | 2018-07-03 | 江苏巨威机械有限公司 | guide rod type hydraulic pile hammer |
| CN208088298U (en) * | 2018-03-30 | 2018-11-13 | 江苏巨威机械有限公司 | Hydraulic pile hammer hammers core connection structure into shape |
| CN210288384U (en) * | 2019-05-10 | 2020-04-10 | 江苏巨威机械有限公司 | Guide rod type oscillating cylinder hydraulic pile hammer |
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2019
- 2019-05-10 CN CN201910390802.0A patent/CN109989401A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2659964Y (en) * | 2003-01-08 | 2004-12-01 | 北京嘉兴裕隆贸易有限公司 | Eccentric moment regulatable viberating pile hammer linkage |
| CN2926061Y (en) * | 2006-03-17 | 2007-07-25 | 北京阳光之路特种车辆技术有限公司 | Carrier tray device with adjusting pitch and sided-tilt position |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233670A (en) * | 2021-04-23 | 2022-10-25 | 东台市巨力机械制造有限公司 | Guide rod type diesel big hammer device |
| CN115233670B (en) * | 2021-04-23 | 2023-09-15 | 东台市巨力机械制造有限公司 | Guide rod type diesel oil large hammer device |
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