CN208586610U - A kind of hydraulic pile driver hammer core buffer unit - Google Patents
A kind of hydraulic pile driver hammer core buffer unit Download PDFInfo
- Publication number
- CN208586610U CN208586610U CN201820390873.1U CN201820390873U CN208586610U CN 208586610 U CN208586610 U CN 208586610U CN 201820390873 U CN201820390873 U CN 201820390873U CN 208586610 U CN208586610 U CN 208586610U
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- hammer
- core
- bolster
- locking lid
- gland
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Abstract
The utility model discloses a kind of hydraulic pile drivers to hammer core buffer unit into shape, it includes the hammer core equipped with inner cavity, hammer in-core chamber is provided with buffing pad, buffing pad, which has from buffing pad outer peripheral surface, protrudes outward the protruding portion to be formed, the hammer in-core chamber is separated into upper and lower two buffer areas by the protruding portion on buffing pad, and is reserved with the gap that can be used for wear-resistant liquid crossfire in upper and lower two buffer areas between the protruding portion lateral wall on the buffing pad and hammer in-core chamber inner sidewall；Hammer core intracavity bottom central axis, which is equipped with, is connected to external runner.The utility model can be buffered effectively for the rebound after weight impact, significantly improve the stability of whole device, section components is avoided to fail, improve the stability and service life of equipment entirety.Using double-layer bumper structure, energy caused by maximum absorption striking impact and reaction force avoids component from locally higher temperature rise occur and accelerate fatigue of materials and failure, provides integrated protection to each component.
Description
Technical field
The utility model relates to hydraulic pile hammers, and in particular to a kind of hydraulic pile driver hammer core buffer unit.
Background technique
In building, bridge construction, pile foundation construction equipment is often used, but domestic hydraulic pile hammer, liquid at present
The hydraulic hammers class equipment such as rammer compacter are pressed, structure design fails to reach preferable requirement.Hydraulic pile driver, hydraulic pressure beater at present
Equal hydraulic hammers class equipment lacks the buffer protection to hammer body hammer core, and weight rebounds at a high speed after striking strong object, due to rebounding
Journey be it is instantaneous, oil cylinder is without time enough oil extraction, this tension weight churning oil cylinder instantaneously to rebound, and impacts rack by oil cylinder,
It drives rack and beats together with the associated equipment other parts of rack, generate vibration and noise, easily lead to rack and correlation zero
Parts damages or failure.
Existing patent document discloses " a kind of hydraulic hammer protective device and the method to hydraulic hammer progress buffer protection ", specially
Benefit number 201710735454.7, using buffering method is connector of the setting containing buffer gear between weight and oil cylinder,
The buffer gear carries out double buffering using spring and resilient snubber, although this mode can make the entire action process of weight
Effective impact mitigation measure is obtained, but the deceleration of this kind of impact mitigation measure weight rebound moment piston rod is still excessive, buffering effect
Fruit is undesirable, unstable.It is this kind of due to being that buffer gear is arranged using single layer buffer structure or between oil cylinder and weight
Design be still not up to preferable buffer requirements, it is low with the S. E. A. of reaction force for striking impact, can not be maximum
Changing reduces hammer body hammer core striking impact and reaction force；
Its problem two, hydraulic hammer protective device disclosed in the patent document, the hammer core buffer structure bolster pressure of design
Lid is to be connect by bolt with hammer core, and this connection type is not only unfavorable for hammering core into shape and bolster gland structure designs, while with
Elapsed using the time, then high-intensitive bolt also will appear from damage aging, is unable to reach initial effect, is extremely easy to appear spiral shell
The problem of bolt is broken；
The buffer structure of its problem three, hydraulic hammer protective device disclosed in the patent document, design is not reserved with
It can reduce the wear-resistant liquid bath that buffer area internal part temperature and lubrication are used, since the bolster buffering spacer of hammer core inner is
Heat caused by shots is directly absorbed, while with using the time to elapse, bolster buffering spacer is easily damaged, and is caused
Failure, is unable to reach initial effect, integral demounting is needed to replace bolster again, complicated for operation；This design also lacks effectively to slow
The wear-resistant of stamping, heat resistanceheat resistant, erosion-resisting protection influence practical buffering working efficiency and bulk life time.
Utility model content
The purpose of the utility model is to provide a kind of hydraulic pile drivers to hammer core buffer unit into shape, can effectively be directed to weight
Rebound after impact is buffered, and significantly improves the stability of whole device, section components is avoided to fail, and improves equipment entirety
Stability and service life.Combined type buffering hammer core apparatus provided by the utility model uses double-layer bumper structure, maximizes and inhales
Receive energy caused by striking impact and reaction force, avoid component from locally higher temperature rise occur and accelerate fatigue of materials and
Failure provides integrated protection to each component；
It is stuck in the card slot of hammer core using the rotation locking lid two sides card wing simultaneously and carries out axial restraint, solved in the prior art
Bolster gland connect the problem of being easy Broken bolt with hammer core by high-strength bolt；Further set on rotation locking lid ontology
There is the latch segment being used for fixed rotation locking lid, bolster gland, locking lid and bolster gland axial restraint will be rotated,
It forms double fixation, solves bolster gland in the prior art and asking for easy Broken bolt connect with hammer core by high-strength bolt
Topic.
Gap between core is hammered into shape by buffing pad and hammer body plus wear-resistant liquid using the elastic buffer effect of bolster simultaneously
Flow overflow buffer function, while further wear-resistant, the heat resistanceheat resistant to the bolster of hammer core inner of wear-resistant liquid, erosion-resisting guarantor
Shield.
In order to achieve the above purposes, the technical solution adopted by the utility model is:
A kind of hydraulic pile driver hammer core buffer unit comprising the hammer core equipped with inner cavity, the hammer in-core chamber are provided with slow
Red seat, the buffing pad, which has from buffing pad outer peripheral surface, protrudes outward the protruding portion to be formed, the protruding portion on the buffing pad
The hammer in-core chamber is separated into upper and lower two buffer areas, and the protruding portion lateral wall on the buffing pad and hammer in-core chamber inner sidewall
Between be reserved with the gap that can be used for wear-resistant liquid crossfire in upper and lower two buffer areas；Hammer core intracavity bottom center
Axis, which is equipped with, is connected to external runner.
As this combined hammer core buffer unit, it is provided with bolster in upper and lower two buffer areas of hammer core, it is described
Buffer area includes bolster gland and rotation locking lid on hammer core, and the rotation locking lid is arranged in bolster gland top, institute
It states bolster gland to be arranged on upper buffer area bolster top, while the top seal of in-core chamber will be hammered into shape.
As this combined hammer core buffer unit, the hammer core combined buffer device further include two be symmetrical arranged can
Locking lid will be rotated and be axially fixed in the locking lid fixing seat hammered into shape on core, the locking lid fixing seat setting is in hammer core top, institute
Locking lid fixing seat is stated to be structure as a whole with hammer core.
As this combined hammer core buffer unit, the bolster is disc spring or cushion.
As this combined hammer core buffer unit, the bolster gland is the L-shaped column in cross section, is somebody's turn to do " L "
The column of shape includes the longitudinal sections and traversing section of integral structure.
As this combined hammer core buffer unit, the rotation locking lid is set on bolster gland, and bottom is pressed
On bolster gland traversing section.
As this combined hammer core buffer unit, it is provided symmetrically on the rotation locking lid outer body wall to evagination
The card wing out.
As this combined hammer core buffer unit, the locking lid fixing seat setting is outside rotation locking lid, the locking
Lid fixing seat ontology inner sidewall is equipped with the arc-shaped slot that can be placed for rotating the locking lid card wing,
As this combined hammer core buffer unit, the locking lid fixing seat ontology is equipped with for fixed rotation locking lid
The latch segment being used, the latch segment are equipped with anti-rotation pin hole and bolt hole；The locking lid fixing seat and the rotation locking lid card wing
Equipped with the anti-rotation pin hole being linearly arranged with latch segment anti-rotation pin hole and bolt hole and bolt hole；It, should including stop pin and bolt
Stop pin and screw bolt passes latch segment, locking lid fixing seat and the anti-rotation pin hole and bolt hole that rotate locking lid, will revolve
Turn locking lid and locking lid fixing seat axial restraint.
As this combined hammer core buffer unit, the rotation locking lid ontology be equipped with for fixed rotation locking lid,
The latch segment that bolster gland is used, the latch segment are equipped with anti-rotation pin hole and bolt hole, the rotation locking lid, bolster gland
It also is provided with the anti-rotation pin hole being linearly arranged with latch segment anti-rotation pin hole and bolt hole and bolt hole；Including stop pin and bolt,
The stop pin and screw bolt passes latch segment, the anti-rotation pin hole and bolt hole that rotate locking lid, bolster gland, by rotation lock
Tight lid and bolster gland axial restraint.
The utility model has the following beneficial effects:
1, the utility model can significantly improve whole effectively for the reduction hardness impulsive contact force or bounce after hammer core impact
The stability of a device improves the service life of each part of appliance indirectly；When hammering core impact pile body into shape, the cylinder piston rod of downlink
And the parts of setting on the piston rod compress the bolster in upper buffer area by hammering core bolster gland into shape, it is slow in compression
Deceleration downlink under the damping of stamping, firstly, the rigid impulsive contact force of the parts of cylinder piston rod and setting on the piston rod has been buffered,
And then the bolster descended in buffer area is compressed in the remaining downlink power of receiving, is further absorbed hammer core and is struck pile body when institute
The rigid impulsive contact force of generation；Secondly, moment bounce is also total to by the bolster in upper and lower two buffer areas after hammer core impact pile body
With reduction, generated bounce rushing to cylinder piston rod and the parts that piston rod is arranged in when reducing hammer core impact pile body
It hits；
2, this hammer core buffer unit, buffing pad, which has from buffing pad outer peripheral surface, protrudes outward the protruding portion to be formed, and buffers
The hammer in-core chamber is separated into upper and lower two buffer areas, and the protruding portion lateral wall on the buffing pad and hammer by the protruding portion on seat
The gap that can be used for wear-resistant liquid crossfire in upper and lower two buffer areas is reserved between in-core chamber inner sidewall.Utilize buffering
The elastic buffer effect of part hammers gap between core into shape by buffing pad and hammer body plus wear-resistant liquid and flows overflow buffer function, simultaneously
Further wear-resistant, the heat resistanceheat resistant to the bolster of hammer core inner of wear-resistant liquid, erosion-resisting protection.
3, this hammer core buffer unit, locking lid can will be rotated by, which being symmetrical arranged including two, is axially fixed in the lock hammered into shape on core
Tight lid fixing seat, on hammer core 1, locking lid fixing seat is structure as a whole the setting of locking lid fixing seat with hammer core；Rotate locking lid
90 degree of rotation is stuck in the rotation locking lid two sides card wing in hammer core annular slot, is stuck in hammer using the rotation locking lid two sides card wing
Axial restraint is carried out in the card slot of core, while being further equipped with for fixed rotation locking lid, being delayed on rotating locking lid ontology
Rotation locking lid and bolster gland axial restraint are formed double fixation, solve existing skill by the latch segment that stamping gland is used
Bolster gland connect the problem of being easy Broken bolt with hammer core by high-strength bolt in art.
For the structure feature and effect for more clearly illustrating the utility model, come with reference to the accompanying drawing with specific embodiment pair
It is described in detail.
Detailed description of the invention
Fig. 1 show the structural schematic diagram of combined hammer core buffer unit provided by the utility model；
Fig. 2 show the top view of Fig. 1.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Refering to attached drawing 1-2, a kind of hydraulic pile driver hammer core buffer unit provided in this embodiment comprising equipped with inner cavity
Hammer core 1 into shape, 1 inner cavity of hammer core is provided with buffing pad 2, and the buffing pad 2, which has, to be protruded outward to be formed from 2 outer peripheral surface of buffing pad
Protruding portion 2.1, which is separated into upper and lower two buffer areas by the protruding portion 2.1 on the buffing pad 2, and this is slow
Be reserved between chamber inner sidewall in 2.1 lateral wall of protruding portion on red seat 2 and hammer core 1 can be for resisting in upper and lower two buffer areas
The gap that grinding fluid body crossfire is used；Hammer 1 intracavity bottom central axis of core, which is equipped with, is connected to external runner 3.
As this combined hammer core buffer unit, the hammer core 1 is provided with bolster 4, institute in upper and lower two buffer areas
Stating buffer area on hammer core 1 includes bolster gland 5 and rotation locking lid 6, and the rotation locking lid 6 is arranged in bolster gland 5
Top, the bolster gland 5 are arranged on upper buffer area bolster top, while will hammer 1 inner cavity top seal of core into shape.
As this combined hammer core buffer unit, the hammer core combined buffer device further include two be symmetrical arranged can
Locking lid 6 will be rotated and be axially fixed in the locking lid fixing seat 7 hammered into shape on core 1, the setting of locking lid fixing seat 7 is on hammer core 1
Portion, the locking lid fixing seat 7 are structure as a whole with hammer core 1.
As this combined hammer core buffer unit, the bolster 4 is disc spring or cushion.
As this combined hammer core buffer unit, the bolster gland 5 is the L-shaped column in cross section, is somebody's turn to do " L "
The column of shape includes the longitudinal sections and traversing section of integral structure.
As this combined hammer core buffer unit, the rotation locking lid 6 is set on bolster gland 5, and bottom is tight
It is pressed on 5 traversing section of bolster gland.
As this combined hammer core buffer unit, it is provided symmetrically on the 6 outer body wall of rotation locking lid outward
The card wing 6.1 outstanding.
As this combined hammer core buffer unit, the setting of locking lid fixing seat 7 is outside rotation locking lid 6, the lock
Tight 7 ontology inner sidewall of lid fixing seat is equipped with the arc-shaped slot that can be placed for rotating the 6 card wing 6.1 of locking lid,
As this combined hammer core buffer unit, 7 ontology of locking lid fixing seat is equipped with for fixed rotation locking
The latch segment 8 that lid 6 is used, the latch segment 8 are equipped with anti-rotation pin hole and bolt hole；The locking lid fixing seat 7 and rotation locking lid 6
The card wing 6.1 also is provided with the anti-rotation pin hole and bolt hole being linearly arranged with latch segment anti-rotation pin hole and bolt hole；Including stop pin 9
With bolt 10, the stop pin 9 and bolt 10 sequentially pass through latch segment 8, locking lid fixing seat 7 and the anti-rotation for rotating locking lid 6
Pin hole and bolt hole, by rotation locking lid 6 and 7 axial restraint of locking lid fixing seat.
As this combined hammer core buffer unit, 6 ontology of rotation locking lid is equipped with for fixed rotation locking lid
6, the latch segment 8 that bolster gland 5 is used, the latch segment 8 are equipped with anti-rotation pin hole and bolt hole, the rotation locking lid 6, buffering
Part gland 5 also is provided with the anti-rotation pin hole and bolt hole being linearly arranged with latch segment anti-rotation pin hole and bolt hole；Including stop pin 9
With bolt 10, the stop pin 9 and bolt 10 sequentially pass through latch segment 8, rotation locking lid 6, bolster gland 5 anti-rotation pin hole and
Bolt hole, by rotation locking lid 6 and 5 axial restraint of bolster gland.
The hammer core buffer control method of hydraulic pile driver, concrete principle are as follows:
Hammer core is arranged on hydraulic lifting apparatus, so that hammer core is passed through device and is promoted to quick release after predetermined altitude, hammer
Core strikes pile body in a manner of freely falling body；When hammering core impact pile body into shape, just in the device cylinder piston rod of high-speed downstream and setting
Parts on the piston rod, the bolster gland by hammering in-core into shape compress the bolster in upper buffer area, slow in compression
Deceleration downlink under the damping of stamping, firstly, the rigid impulsive contact force of the parts of cushion cylinder piston rod and setting on the piston rod, tightly
Then the bolster descended in buffer area receives remaining downlink power and is compressed, and further absorbs produced when hammer core impact pile body
Rigid impulsive contact force；Meanwhile moment bounce is also jointly weak by the bolster in upper and lower two buffer areas after hammering core impact pile body into shape
Change, generated bounce causes the impact of cylinder piston rod and the parts that piston rod is arranged in when reducing hammer core impact pile body
Local temperature rise is excessively high and the adverse effect such as rapid fatigue；Upper and lower two buffer areas, two buffer areas directly are set in hammer in-core
The rigid impulsive contact force and bounce of generation after the common cushioning control hammer core shock of interior bolster, while in two buffer areas
Wear-resistant liquid can quickly reach energy release areas with the mutual crossfire of forced compression with Impact direction, reduce bolster 5
Heat is generated because of absorbability, provides integrated protection for each component.
The design focal point of the utility model is:
1, the utility model can significantly improve whole effectively for the reduction hardness impulsive contact force or bounce after hammer core impact
The stability of a device improves the service life of each part of appliance indirectly；When hammering core impact pile body into shape, the cylinder piston rod of downlink
And the parts of setting on the piston rod compress the bolster in upper buffer area by hammering core bolster gland into shape, it is slow in compression
Deceleration downlink under the damping of stamping, firstly, the rigid impulsive contact force of the parts of cylinder piston rod and setting on the piston rod has been buffered,
And then the bolster descended in buffer area is compressed in the remaining downlink power of receiving, is further absorbed hammer core and is struck pile body when institute
The rigid impulsive contact force of generation；Secondly, moment bounce is also total to by the bolster in upper and lower two buffer areas after hammer core impact pile body
With reduction, generated bounce rushing to cylinder piston rod and the parts that piston rod is arranged in when reducing hammer core impact pile body
It hits；
2, this hammer core buffer unit, buffing pad, which has from buffing pad outer peripheral surface, protrudes outward the protruding portion to be formed, and buffers
The hammer in-core chamber is separated into upper and lower two buffer areas, and the protruding portion lateral wall on the buffing pad and hammer by the protruding portion on seat
The gap that can be used for wear-resistant liquid crossfire in upper and lower two buffer areas is reserved between in-core chamber inner sidewall.Utilize buffering
The elastic buffer effect of part hammers gap between core into shape by buffing pad and hammer body plus wear-resistant liquid and flows overflow buffer function, simultaneously
Further wear-resistant, the heat resistanceheat resistant to the bolster of hammer core inner of wear-resistant liquid, erosion-resisting protection.
3, this hammer core buffer unit, locking lid can will be rotated by, which being symmetrical arranged including two, is axially fixed in the lock hammered into shape on core
Tight lid fixing seat, on hammer core, locking lid fixing seat is structure as a whole the setting of locking lid fixing seat with hammer core；Locking lid is rotated to turn
It is 90 degree dynamic, it is stuck in the rotation locking lid two sides card wing in hammer core annular slot, is stuck in hammer core using the rotation locking lid two sides card wing
Card slot in carry out axial restraint, while being further equipped on rotation locking lid ontology for fixed rotation locking lid, buffering
Rotation locking lid and bolster gland axial restraint are formed double fixation by the latch segment that part gland is used, and solve the prior art
Middle bolster gland connect the problem of being easy Broken bolt with hammer core by high-strength bolt.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation.Anyone skilled in the art, it is all available in the case where not departing from technical solutions of the utility model ambit
The methods and technical content of the disclosure above makes many possible changes and modifications to technical solutions of the utility model, or is revised as
The equivalent embodiment of equivalent variations.Therefore all contents without departing from technical solutions of the utility model, the shape according to the utility model
Equivalence changes made by shape, construction and principle should all be covered by the protection scope of the utility model.
Claims (2)
1. a kind of hydraulic pile driver hammers core buffer unit into shape comprising the hammer core equipped with inner cavity, the hammer in-core chamber are provided with buffering
Seat, the buffing pad, which has from buffing pad outer peripheral surface, protrudes outward the protruding portion to be formed, and the protruding portion on the buffing pad will
The hammer in-core chamber is separated into upper and lower two buffer areas, and the protruding portion lateral wall on the buffing pad and hammer in-core chamber inner sidewall it
Between be reserved with the gap that can be used for wear-resistant liquid crossfire in upper and lower two buffer areas；Upper and lower two buffer areas of hammer core
It is inside provided with bolster, buffer area includes bolster gland and rotation locking lid on the hammer core, and the rotation locking lid is set
It sets on bolster gland top, the bolster gland is arranged on upper buffer area bolster top, while will hammer in-core chamber top into shape
Sealing；It is characterized in that, the hammer core intracavity bottom central axis is equipped with and is connected to external runner；The rotation locking lid
It is equipped with the latch segment being used for fixed rotation locking lid, bolster gland, the latch segment that the rotation locking covers is equipped with
Anti-rotation pin hole and bolt hole, the rotation locking lid, bolster gland also are provided with latch segment anti-rotation pin hole and bolt hole in straight
The anti-rotation pin hole and bolt hole of line setting.
2. hydraulic pile driver according to claim 1 hammers core buffer unit into shape, which is characterized in that it includes stop pin and spiral shell
Bolt, the stop pin and screw bolt passes latch segment, the anti-rotation pin hole and bolt hole for rotating locking lid, bolster gland, will revolve
Turn locking lid and bolster gland axial restraint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820390873.1U CN208586610U (en) | 2018-03-22 | 2018-03-22 | A kind of hydraulic pile driver hammer core buffer unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820390873.1U CN208586610U (en) | 2018-03-22 | 2018-03-22 | A kind of hydraulic pile driver hammer core buffer unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208586610U true CN208586610U (en) | 2019-03-08 |
Family
ID=65531911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820390873.1U Active CN208586610U (en) | 2018-03-22 | 2018-03-22 | A kind of hydraulic pile driver hammer core buffer unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208586610U (en) |
-
2018
- 2018-03-22 CN CN201820390873.1U patent/CN208586610U/en active Active
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