CN108252304A - Electric impacting pile hammer - Google Patents
Electric impacting pile hammer Download PDFInfo
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- CN108252304A CN108252304A CN201611251216.0A CN201611251216A CN108252304A CN 108252304 A CN108252304 A CN 108252304A CN 201611251216 A CN201611251216 A CN 201611251216A CN 108252304 A CN108252304 A CN 108252304A
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- hammer
- cylinder
- winch drum
- headstock
- core
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- 230000003116 impacting effect Effects 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 8
- 238000005381 potential energy Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 8
- 230000035939 shock Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
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- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
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- 238000000926 separation method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010009 beating Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 241000282693 Cercopithecidae Species 0.000 description 1
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- 235000007164 Oryza sativa Nutrition 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
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- 238000010248 power generation Methods 0.000 description 1
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- 238000012546 transfer Methods 0.000 description 1
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Classifications
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- 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
- E02D7/08—Drop drivers with free-falling hammer
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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 present invention provides a kind of electric impacting pile hammer, including operation console, switch board, power supply and hammer body, the hammer body includes hammer cylinder, it hammers cylinder upper end into shape and is equipped with headstock, the hammer core being axially movable is equipped in hammer cylinder, the headstock includes driving mechanism and the winch drum driven by driving mechanism, the winch drum is equipped with hawser, the hawser is connected with hammer core, the operation console controls power supply to provide electric energy for headstock by switch board, the hammer cylinder top is equipped with installing plate, and the headstock setting is on a mounting board.The present invention drives winch drum and then lift hammer core by variable-frequency motor, and the quick release when hammering core into shape to preset height, hammer core freely falling body impact piling realizes that power grid electric energy is converted into piling and impacts potential energy.The present invention disclosure satisfy that domestic offshore wind farm construction and bridge spanning the sea construction needs, have very high practicability.
Description
Technical field
The present invention relates to foundation pile construction machinery more particularly to a kind of electric impacting pile hammer.
Background technology
It is frequently necessary to carry out pile foundation construction in fields such as engineering machinery, marine engineering equipment, offshore wind farm and bridge spanning the seas.
The construction of pile foundation is dependent on equipment such as pile hammer.
Offshore wind farm pile foundation construction is usually used both at home and abroad at present impacts pile hammer and vibration hammer.Impact pile hammer has cartridge type
Diesel pile hammer and hydraulic shock pile hammer；Vibration hammer has hydraulic vibration driver and electric vibrating hammer, and vibration hammer is generally used for hanging up and beating
Formula plants the steady stake stage of stake and steel-pipe pile, steel sheet pile are gone along with sb. to guard him in plug, and use is less.
The offshore wind farm pile foundation overwhelming majority is a minor diameter clump of piles both at home and abroad at present, general 1.5 meters or so of steel-pipe pile diameter,
150 tons or so of weight, stake long hundred rice or so, hundred tons or so of weight, tubular diesel pile hammer D200, D260 and hydraulic shock piling
Hammer S800 can complete piling construction.Domestic and international advanced offshore wind farm pile foundation from minor diameter (Φ 1m or so) multi-column pier foundation to
Intermediate diameter (Φ 3m or so) multi-column pier foundation transition, in the future can also be excessive to major diameter (Φ 5m- Φ 8m) single-pile foundation.Sea turn
The single-pile foundation transition of electric pile foundation to low-cost high-efficiency benefit is trend of the times, and in order to hit equal diameter steel-pipe pile, foreign countries develop
Hydraulic shock pile hammer S2400, maximum impact energy reach 2400KJ, can be with injection wind-powered electricity generation pile foundation Φ 3m- Φ 4m steel-pipe piles just
In the hydraulic shock pile hammer for developing large diameter steel pipe pile (the Φ 5m- Φ 8m) that can sound the night watches.Tubular diesel pile hammer technology maturation, makes
With of low cost, same technical merit is lain substantially in both at home and abroad, the enterprise of production is also more, but all can only both at home and abroad at present
The pile hammer of production impact part mass 30000kg (being equivalent to effective impact energy 600KJ or so) below, impact energy is small,
Timber pile cannot be beaten, exploitation sledgehammer encounters the technical bottlenecks such as material, technique, can not break through in a short time both at home and abroad.Hydraulic shock is driven piles
Hammer into shape technologically advanced, the key technology of hydraulic shock pile hammer mainly rests in external flourishing enterprise at present, can produce maximum at present
Impact energy reaches 2400KJ sledgehammers.Domestic hydraulic shock pile hammer has quite big gap with advanced foreign technology, can only develop
The hand hammer of below 600KJ, external to obtain huge interests with technical monopoly, sledgehammer use cost is high.Therefore, domestic beat is improved
Pile monkey technical merit is that technical staff needs to solve.
Invention content
The technical problem to be solved in the present invention is to provide that a kind of impact energy is big, electric impacting piling of good working effect
Hammer, the defects of to overcome in the prior art.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that：A kind of electric impacting pile hammer, including behaviour
Make platform, switch board, power supply and hammer body, the hammer body includes hammer cylinder, and hammer cylinder upper end is equipped with headstock, hammers into shape and is equipped with and can axially move in cylinder
Dynamic hammer core, the headstock include driving mechanism and the winch drum driven by driving mechanism, are set on the winch drum
There is hawser, the hawser is connected with hammer core, and the operation console controls power supply to provide electric energy for headstock by switch board.
Preferably, the hammer cylinder top is equipped with installing plate, and the headstock setting is on a mounting board.
Further, the shaft being rotatably provided on installing plate is further included, the winch drum is set in shaft, institute
It states driving mechanism and includes motor, pinion gear, gear wheel and clutch discs, the pinion gear connect with machine shaft, pinion gear and greatly
Gear is meshed, and the gear wheel is mounted in shaft, and the clutch discs are set in winch drum and are only capable of passing through telescopic machine
Structure is axially moved along winch drum, and the clutch discs can be attached together with gear wheel by magnetic pole.
Further, the telescoping mechanism includes hydraulic cylinder, jackshaft, pulls pin and chuck, and the end of the shaft is along axis
Line is provided with blind hole, and shaft is provided with the elongated slot connected with the blind hole in an axial direction, and hydraulic cylinder is mounted on the installing plate, in described
Countershaft is located in blind hole, and described pull pin is threaded through in elongated slot, the work that one end of the jackshaft passes through thrust bearing and hydraulic cylinder
Stopper rod connects, and the other end is connected with pulling pin, and described pull pin is pressed against by chuck in clutch discs.
Further, the driving mechanism and telescoping mechanism are set respectively at the both ends of the shaft.
Further, fixing sleeve is gone back on the winch drum equipped with backrest disk, the clutch discs can act against when moving
On the backrest disk.
Further, bearing is cased on the winch drum, bearing is mounted on bearing block, and bearing block is mounted on the peace
In loading board.
Preferably, it is described hammer drum outer wall in an axial direction be equipped at least two groups of guiding feet, every group of guiding foot set there are two and
Horizontal direction is set up in parallel.
Preferably, the power supply is electrically connected by frequency converter with headstock.
Preferably, the hammer core lower end is circumferentially inwardly recessed to form ring-shaped step, and the hammer cylinder lower end is equipped with and annular
The corresponding spacing ring of stepped locations, the top surface of the spacing ring are equipped with cushion pad.
As described above, a kind of electric impacting pile hammer of the present invention, has the advantages that：
The operation principle of the present invention is to drive winch drum by variable-frequency motor and then lift hammer core, when hammer core is to default high
Quick release when spending, the freely falling body impact piling of hammer core realize that power grid electric energy is converted into piling impact potential energy.Present invention obviates
The technical bottleneck that tubular diesel pile hammer can not be broken through in a short time, and external monopolization technology is not used, with ripe Electric Drive
The electric impacting pile hammer of technology manufacture maximum impact energy 4000KJ, meets domestic offshore wind farm construction and bridge spanning the sea is built
If needing, wide market can create very big economic benefit.
The present invention is using electric power as power, succinct, efficient, environmental protection；And make electric impacting pile hammer energy transmission road
Diameter simplifies, and efficient, production cost is low, cost-effective.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is A-A views in Fig. 1.
Fig. 3 is B-B partial views in Fig. 1.
Fig. 4 is view at C-C in Fig. 2.
Fig. 5 is view at D-D in Fig. 2.
Fig. 6 is transmission and clutch theory structure schematic diagram in the present invention.
Fig. 7 is use state view of the present invention.
In figure：
1 operation console, 2 switch board
3 power supplys 4 hammer cylinder into shape
5 headstocks 6 hammer core into shape
7 telescoping mechanism, 41 installing plate
42 shafts 43 are oriented to foot
421 bearing block, 45 cushion pad
51 driving mechanism, 52 winch drum
521 bearing block, 53 hawser
511 motor, 512 pinion gear
513 gear wheel, 514 clutch discs
515 backrest disk, 61 annular groove
7 telescoping mechanism, 71 hydraulic cylinder
72 jackshafts 73 are pulled pin
74 chucks 81 replace piece
82 steel-pipe piles 83 are oriented to foot
84 pile frame guide rail, 44 spacing ring
Specific embodiment
Structure, ratio, size depicted in Figure of description etc., only to coordinate the revealed content of specification, with
Understand for those skilled in the art and read, be not limited to the enforceable qualifications of the present invention, therefore do not have technically
Essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size can be generated not influencing the present invention
Under effect and the purpose that can reach, it should all fall in the range of disclosed technology contents can be covered.Meanwhile this
Cited such as " on ", " under ", "front", "rear", " centre " term in specification, be merely convenient to the clear of narration rather than
To limit the enforceable range of the present invention, relativeness is altered or modified, in the case where changing technology contents without essence, when also
It is considered as the enforceable scope of the present invention.
As shown in figs 1 to 6, the present invention is a kind of electric impacting pile hammer, including operation console 1, switch board 2,3 and of power supply
Hammer body, the hammer body include hammer cylinder 4, and 4 upper end of hammer cylinder is equipped with headstock 5, hammers the hammer core 6 for being equipped with and being axially movable in cylinder 4 into shape, described
Headstock 5 includes driving mechanism 51 and the winch drum 52 driven by driving mechanism 51, and the winch drum 52 is equipped with cable
Rope 53, the hawser 53 are connected with hammer core 6.The operation console 1 controls power supply 3 to provide electricity for headstock 5 by switch board 2
Can, electric energy not only conveys dynamic power and also transmits control signal by cable transfer, cable.Hammer body converts electrical current into hammer core 6
Impact potential energy, realize impact piling.The effect of operation console 1 and switch board 2 is that operational order is transmitted and is converted into phase
It should act, obtain action signal, safety signal and feed back to operating personnel and suitably automatically control.The present invention's is substantially former
Reason is：Power supply 3 drives 52 lift hammer core 6 of winch drum, and to quick release during preset height, the 6 freely falling body impact of hammer core is driven piles,
Realize that power grid electric energy is converted into piling impact potential energy.
For the ease of the installation of headstock 5, with reference to figure 5, the hammer cylinder top is equipped with installing plate 41, and the headstock 5 is set
It puts on installing plate 41.The invention also includes the shaft 42 being spindle rotationally arranged on installing plate 41,42 both ends of shaft are equipped with axis
It holds, bearing is mounted on bearing block 421, and bearing block is fixed on installing plate 41.The winch drum 52 is set in shaft 42.
With reference to Fig. 3 and Fig. 6, the driving mechanism 51 in the present embodiment includes motor 511, pinion gear 512, gear wheel 513 and clutch discs
514, the pinion gear 512 is connect with machine shaft, and pinion gear 512 is meshed with gear wheel 513, and the gear wheel 513 is installed
In shaft 42, the clutch discs 514 are set in winch drum 52 and are only capable of axial along winch drum 52 by telescoping mechanism 7
Mobile, specifically clutch discs 514 are matched with winch drum 52 by spline.The clutch discs 514 can lead to gear wheel 513
It crosses magnetic pole to be attached together, magnetic pole is set on gear wheel 513 in the present embodiment, clutch discs 514 can be played after being powered
Strong adsorption acts on.That is, there are two stations for the clutch discs 514 in the present invention, one is the conjunction adsorbed with gear wheel 513
And station, one is the separation station separated with gear wheel 513, when clutch discs 514 are when merging station, gear wheel 513 with from
It closes disk 514 to be synchronized with the movement, power is transmitted to gear wheel 513, clutch discs 514 by motor 511 by pinion gear 512 after deceleration
It is rotated synchronously with winch drum 52 and shaft 42, and then realizes promotion of the hawser 53 to hammer core 6.When clutch discs 514 are detaching
During station, winch drum 52 can freely rotate, and then rotate backward relative to shaft 42, hammer 6 quick drop impact pile body of core into shape.
As shown in Figure 3 and Figure 6, the telescoping mechanism 7 in the present invention includes hydraulic cylinder 71, jackshaft 72, pull pin 73 and chuck
74, the end of the shaft 42 is provided with blind hole along axis, and shaft 42 is also provided with the elongated slot connected with the blind hole, hydraulic pressure in an axial direction
Cylinder 71 is mounted on the installing plate 41, and the jackshaft 72 is located in blind hole, and described pull pin 73 is threaded through in elongated slot and can
It is axially moveable with mobile in elongated slot, one end of the jackshaft 72 passes through thrust bearing and the piston rod of hydraulic cylinder 71 connects
It connects, the other end 73 is connected with pulling pin, and described pull pin 73 is pressed against by chuck 74 in clutch discs 514.
In summary, transmission, clutch part transmission process and principle are in the present invention：511 directional rotating of motor, small tooth
Wheel 512 engages to form gear reduced drive with the gear wheel 513 in shaft 42, the drive of gear wheel 513 shaft 42, jackshaft 72,
Finger 73 rotates together.When controlling signal that the piston rod of hydraulic cylinder 71 is made to bounce back, pull jackshaft 72 and finger 73 outside
Side moves, and finger 73 pulls chuck 74 and clutch discs 514 to move out together, and clutch discs 514 is made to be pressed on gear wheel 513 simultaneously
It is rotated with gear wheel 513, clutch discs 514 rotate, and winch drum 52 also just rotates, and winds hawser 53, and hammer core 6 is made to transport upwards
It is dynamic.When reaching preset height, control signal stretches out 71 piston rod of hydraulic cylinder, and jackshaft 72 and finger 73 is pushed to transport inwardly
Dynamic, finger 73 pushes the inwardly movement together of chuck 74 and clutch discs 514, and clutch discs 514 is made to disengage 513 end face of gear wheel, clutch
Disk 514, winch drum 52 are inverted in the case where hammering 6 gravity of core into shape, 53 quick release of hawser, the 6 freely falling body impact piling of hammer core, when
After hammering the impact of core 6 into shape, control signal makes the piston rod of hydraulic cylinder 71 bounce back again, carries out subsequent cycle.
After switch board 2, which receives, to stop hammering signal into shape, clutch discs 514 is allowed to disengage gear wheel 513 by hydraulic cylinder 71 first
End face, and keep this disengaged condition, the power-off stalling of motor 511 is got ready for startup next time.
It is equally logical first in order to avoid drivetrain components are by impact acceleration after switch board 2, which detects, slips signal
Crossing hydraulic cylinder 71 allows clutch discs 514 to disengage 513 end face of gear wheel, and keep this disengaged condition, and motor 511 does not stall,
Operating personnel is waited for restore to continue signal of driving piles.
As shown in Figure 3 and Figure 6, it carries out in order to ensure the stabilization of work, orderly, is set respectively at the both ends of the shaft 42
The driving mechanism 51 and telescoping mechanism 7.Because the motor 511 used in the present invention is heavy-duty motor, it is more difficult to start,
Therefore the motor 511 is by Frequency Converter Control, and in order to coordinate frequency converter, the motor 511 in the present invention is variable-frequency motor.Frequency conversion
Device can in setting range can reliable speed governing, facilitate beating frequency when adjusting work.Specifically being configured is：Two frequency converters with
One motor 511 is electrically connected to form parallel connection, and an inverter control signal is increased the fan leaves coefficient, and then control two frequency converters
Power tube increases output current.It is consistent in order to which two motors is allowed to contribute because there is two motors in the present embodiment, it needs a set of
Electric current and signal measurement and process device, are electrically connected with switch board 2, and electric current and signal measurement and process device detect two electricity in real time
Machine is contributed, and by operation console 1, switch board 2, treated that signal feeds back to frequency converter, two motors is made to contribute consistent.Specific behaviour
Work is：The electric current of two electrical consumptions is measured, electronic circuit is averaged after signal is summed, and each 511 electric current of motor is distinguished
Compared with average value, signal is obtained, feeds back to respective frequency converter respectively, adjustment motor is contributed.
In the present embodiment, as shown in fig. 6, going back fixing sleeve on the winch drum 52 equipped with backrest disk 515, the clutch
Disk 514 can be acted against when moving on the backrest disk 515, gone out when clutch discs 514 being avoided to be in gear wheel 513 and detach station
The problem of now position is unstable.
Bearing is cased on 52 both ends of winch drum in the present invention, bearing is mounted on bearing block 521, and bearing block 521 is pacified
On the installing plate 41.
In actual use, as shown in figure 5 and figure 7,4 outer wall of the hammer cylinder is equipped at least two groups of guiding feet 43 in an axial direction,
Every group of guiding foot 43 sets there are two and is set up in parallel in the horizontal direction.The guiding foot 43 is used cooperatively with pile frame guide rail 84
To guiding role.
As shown in Fig. 2, 6 lower end of the hammer core is circumferentially inwardly recessed to form ring-shaped step 61, because hammer core 6 is cylinder
Shape, therefore can be regarded as the smaller multi-diameter shaft form of lower end diameter.4 lower end of the hammer cylinder is equipped with and 61 position phase of ring-shaped step
Corresponding spacing ring 44, the top surface of the spacing ring 44 are equipped with cushion pad 45, and the spacing ring 44 plays limit to the position for hammering core 6 into shape
It makes and uses, avoid its abjection hammer cylinder 4, avoid generating vibratory impulse to mechanisms such as the headstocks 5 on top.The work of the cushion pad 45
With being to avoid hammer core 6 and spacing ring rigid contact and damage.Cushion pad 45 is rubber material.
The present invention each component part before piling is arranged as：Power supply 3 is arranged on pile driving barge or the main first of lifting ship bow part
Plate is connected (power generation capacity >=1200KVA) by power cable inlet wire with pile driving barge or crane ship main distribution board or with putting
It is connected in pile driving barge or the special mating container-type generating set of lifting ship bow part.Then pass through power cable outlet and control
Signal cable processed is electrically connected with the headstock 5 on hammer body, and not influence hammer body up and down motion, these cables are generally by auxiliary suspension hook
Suspention.Switch board 2 is generally disposed adjacent with power supply 3, and operation console 1 is arranged in fore body commander, operating personnel at one's side.Hammer body can both be hung
It moves up and down in pile driving barge pile frame upper edge guide rail, platform use can be also moved by crane ship or jack up and hangs up and beats mode.Specifically make
Used time, as shown in fig. 7, with pile frame sash weight winch the hammer body for having been lifted to certain altitude in advance and for piece 81 to decentralization,
Being sleeved on the steel-pipe pile 82 stood for piece 81, the hammer core 6 of hammer body is pressed on piece 81.Hammer cylinder 4 into shape and for piece 81
Coordinated by each self- steering foot with pile frame guide rail 84, it is ensured that hammer body can only be moved up and down along pile frame guide rail 84.Complete aforesaid operations
After installation, operating personnel are by button is started on operation console 1, general supply is connected in power supply 3, at this moment clutch discs 514 and gear wheel 513
It is separation station；Frequency converter is started to work, and makes the starting under no load by static of motor 511, by signal after starting process
Feed back to operating personnel.Again by the button of performing fighting on operation console 1, clutch discs 514 carry out orderly in separation station with merging station
Switching, ceaselessly lifts hammer core 6 by winch drum 52 and hawser 53 and falls, and is beaten by hammer 6 gravity drop of core impact potential energy
Stake.When needing to stop hammer, then by button is stopped, hammer process of stopping is automatically performed, and get ready for startup next time.
In conclusion a kind of electric impacting pile hammer of the present invention, is converted to potential energy, and then can solve to drive piles by electric energy
The problem of impact energy is small.So the present invention effectively overcomes some practical problems of the prior art so as to there is very high profit
With value and use meaning.
The principle of the present invention and its effect is only illustrated in the above embodiment, and is not intended to limit the present invention.For
Those skilled in the art can all be modified or be changed to above-described embodiment under the spirit and scope without prejudice to the present invention
Become.Therefore, such as those of ordinary skill in the art without departing from disclosed spirit and technological thought
Lower all completed equivalent modifications or change should be covered by the claim of the present invention.
Claims (10)
1. a kind of electric impacting pile hammer, it is characterised in that：Including operation console (1), switch board (2), power supply (3) and hammer body, institute
It states hammer body and includes hammer cylinder (4), hammer cylinder (4) upper end is equipped with headstock (5), the hammer core (6) being axially movable is equipped in hammer cylinder (4),
The winch drum (52) that the headstock (5) drives including driving mechanism (51) and by driving mechanism (51), the winch rolling
Cylinder (52) is equipped with hawser (53), and the hawser (53) is connected with hammer core (6), and the operation console (1) is controlled by switch board (2)
Power supply (3) processed provides electric energy for headstock (5).
2. electric impacting pile hammer according to claim 1, it is characterised in that：The hammer cylinder top is equipped with installing plate
(41), the headstock (5) is arranged on installing plate (41).
3. electric impacting pile hammer according to claim 2, it is characterised in that：It further includes and is rotatably provided in installing plate
(41) shaft (42) on, the winch drum (52) are set in shaft (42), and the driving mechanism (51) is including motor
(511), pinion gear (512), gear wheel (513) and clutch discs (514), the pinion gear (512) connect with machine shaft, small tooth
Wheel (512) is meshed with gear wheel (513), and the gear wheel (513) is in shaft (42), clutch discs (514) set
It is located at winch drum (52) and is only capable of moving axially along winch drum (52) by telescoping mechanism (7), the clutch discs (514)
It can be attached together with gear wheel (513) by magnetic pole.
4. electric impacting pile hammer according to claim 3, it is characterised in that：The telescoping mechanism (7) is including hydraulic cylinder
(71), jackshaft (72), pull pin (73) and chuck (74), the end of the shaft (42) are provided with blind hole, shaft (42) along axis
It is provided with the elongated slot connected with the blind hole in an axial direction, hydraulic cylinder (71) is on the installing plate (41), the jackshaft
(72) in blind hole, pull pin (73) are threaded through in elongated slot, and one end of the jackshaft (72) passes through thrust bearing and liquid
Cylinder pressure (71) piston rod connection, the other end with pull pin (73) be connected, it is described pull pin (73) by chuck (74) be pressed against from
It closes on disk (514).
5. electric impacting pile hammer according to claim 4, it is characterised in that：It is set respectively at the both ends of the shaft (42)
Put the driving mechanism (51) and telescoping mechanism (7).
6. electric impacting pile hammer according to claim 3, it is characterised in that：Fixing sleeve is gone back on the winch drum (52)
Equipped with backrest disk (515), the clutch discs (514) can be acted against when mobile on the backrest disk (515).
7. electric impacting pile hammer according to claim 2, it is characterised in that：Axis is cased on the winch drum (52)
It holds, bearing is mounted on bearing block (521), and bearing block (521) is on the installing plate (41).
8. electric impacting pile hammer according to claim 1, it is characterised in that：Described hammer cylinder (4) outer wall is equipped in an axial direction
At least two groups of guiding feet (43), every group of guiding foot (43) set there are two and are set up in parallel in the horizontal direction.
9. electric impacting pile hammer according to claim 1, it is characterised in that：The power supply (3) is by frequency converter with moving
Power case (5) is electrically connected.
10. electric impacting pile hammer according to claim 1, it is characterised in that：Described hammer core (6) lower end is circumferentially inside
Be concavely formed ring-shaped step (61), described hammer cylinder (4) lower end be equipped with the corresponding spacing ring in ring-shaped step (61) position (44),
The top surface of the spacing ring (44) is equipped with cushion pad (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611251216.0A CN108252304B (en) | 2016-12-29 | 2016-12-29 | Electric impact pile driving hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611251216.0A CN108252304B (en) | 2016-12-29 | 2016-12-29 | Electric impact pile driving hammer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108252304A true CN108252304A (en) | 2018-07-06 |
| CN108252304B CN108252304B (en) | 2023-09-15 |
Family
ID=62721558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611251216.0A Active CN108252304B (en) | 2016-12-29 | 2016-12-29 | Electric impact pile driving hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108252304B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111851489A (en) * | 2020-07-31 | 2020-10-30 | 山东鼎鲁建筑有限公司 | Piling device for building engineering foundation construction |
| CN113494085A (en) * | 2021-09-09 | 2021-10-12 | 海门市胜佳建筑设备有限公司 | Pile driver |
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| JPH10140566A (en) * | 1996-11-07 | 1998-05-26 | Sekisui House Ltd | Automatic pile driving device |
| CN1326035A (en) * | 2000-05-30 | 2001-12-12 | 美国打桩设备公司 | Impact hammer system and method |
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| CN101190770A (en) * | 2007-09-05 | 2008-06-04 | 胡世璇 | Hydraulic pressure reel cart with clutch at transmission last level |
| CN101476323A (en) * | 2009-01-20 | 2009-07-08 | 杨敏 | Miniature piling machine |
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| CN203229954U (en) * | 2013-03-22 | 2013-10-09 | 俞威 | Hammer structure of highway pile driver |
| CN103334431A (en) * | 2013-07-04 | 2013-10-02 | 韶关市铁友建设机械有限公司 | Automatic retracting-releasing hammer type punching pile driver |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111851489A (en) * | 2020-07-31 | 2020-10-30 | 山东鼎鲁建筑有限公司 | Piling device for building engineering foundation construction |
| CN113494085A (en) * | 2021-09-09 | 2021-10-12 | 海门市胜佳建筑设备有限公司 | Pile driver |
| CN113494085B (en) * | 2021-09-09 | 2021-11-16 | 海门市胜佳建筑设备有限公司 | Pile driver |
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| Publication number | Publication date |
|---|---|
| CN108252304B (en) | 2023-09-15 |
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