CN108118696B - A kind of reversing arrangement of hydraulic hammer - Google Patents

A kind of reversing arrangement of hydraulic hammer Download PDF

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Publication number
CN108118696B
CN108118696B CN201711382088.8A CN201711382088A CN108118696B CN 108118696 B CN108118696 B CN 108118696B CN 201711382088 A CN201711382088 A CN 201711382088A CN 108118696 B CN108118696 B CN 108118696B
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China
Prior art keywords
groove
hydraulic hammer
main body
air
hydraulic
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CN201711382088.8A
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Chinese (zh)
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CN108118696A (en
Inventor
王兴松
许飞云
罗翔
戴挺
章功国
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Anhui Vmway Information Technology Co ltd
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Individual
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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/02Placing by driving
    • E02D7/06Power-driven drivers
    • E02D7/10Power-driven drivers with pressure-actuated hammer, i.e. the pressure fluid acting directly on the hammer structure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16NLUBRICATING
    • F16N7/00Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
    • F16N7/14Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the lubricant being conveyed from the reservoir by mechanical means
    • F16N7/26Splash lubrication

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Analytical Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)

Abstract

The invention discloses a kind of reversing arrangements of hydraulic hammer, including piling main body and connecting box, the connecting box is set to piling main body top, the connecting box top is provided with driving hydraulic cylinder, the connecting box bottom end is provided with piston groove, the piston groove is through piling main body roof, and it extends in piling main body, the driving hydraulic cylinder bottom end is provided with piston rod, the piston rod runs through piston groove, and extend to piston groove bottom end, the piston rod bottom end is provided with hydraulic hammer, the hydraulic hammer is set in piling main body, the hydraulic hammer bottom is provided with air groove, the air groove top extends in hydraulic hammer.The present invention passes through the composition of this device structure, it is not only simple in structure, it is easy to operate, and when in use, the noise of generation is small, to improve ambient enviroment, and utilize the setting of reset spring and groove, hydraulic hammer can be made to provide upward thrust, reduce the active force that driving hydraulic cylinder applies hydraulic hammer, to save resource.

Description

A kind of reversing arrangement of hydraulic hammer
Technical field
The present invention relates to hydraulic hammer technical field, in particular to a kind of reversing arrangement of hydraulic hammer.
Background technique
A kind of common work tool for driving piles when hydraulic hammer is construction, in existing technical field, hydraulic hammer in commutation, It is all to provide upward active force to hydraulic hammer by drive system to move upwards hydraulic hammer, but it is downward in hydraulic hammer high speed When movement, having and generate huge impact force, drive system, which needs to provide very big active force, can just make hydraulic hammer commutate, but It is that this method be easy to cause the waste of resource and being easy to increase drive system load, thus reduce service life, and During present piling, generated noise has seriously affected neighbouring resident living state, therefore, invents a kind of hydraulic hammer Reversing arrangement it is necessary to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of reversing arrangements of hydraulic hammer, to solve mentioned above in the background art ask Topic.
To achieve the above object, the invention provides the following technical scheme: a kind of reversing arrangement of hydraulic hammer, including piling are led Body and connecting box, the connecting box are set to piling main body top, and the connecting box top is provided with driving hydraulic cylinder, the company It connects bottom end and is provided with piston groove, the piston groove extends in piling main body, the driving liquid through piling main body roof Cylinder pressure bottom end is provided with piston rod, and the piston rod runs through piston groove, and extends to piston groove bottom end, and the piston rod bottom end is set It is equipped with hydraulic hammer, the hydraulic hammer is set in piling main body, and the hydraulic hammer bottom is provided with air groove, the air groove top End extends in hydraulic hammer, and the piling body lumen bottom is fixedly installed flexible, and top is provided with recessed between the elasticity Slot, the groove bottom end extend to piling body lumen bottom wall between elasticity, and the groove two sides are provided between limit, It is set between the limit in elasticity, intracavity bottom is fixedly installed reset spring, the back-moving spring top between the limit End roof between limit, and extend in groove.
Preferably, the hydraulic hammer bottom is surrounded with sealing ring, the rectangular triangle in sealing ring bottom section Setting, the sealing ring are set as elastic rubber, when hydraulic hammer being made mutually to coincide in dropping process with groove, utilize sealing ring Block the gap between hydraulic hammer and groove, the air avoided in the sealing space in groove overflows outward, makes in groove Air pressure reduce.
Preferably, the hydraulic hammer composition material is set as steel, and the hydraulic hammer includes the first force-application block and the second force Block, first force-application block and the second force-application block are in integrated setting, and the hydraulic hammer assumes a " convex " shape setting, and the groove is in The setting of " recessed " shape, first force-application block bottom are provided with protection block, and the air groove is set to the second force-application block bottom, described It mutually coincide at the top of protection block and reset spring, when being contacted using hydraulic hammer and reset spring, reduces due to colliding to hydraulic hammer Caused by damage, to prolong the service life.
Preferably, the groove bottom end is provided with oil-way, and the oil-way bottom end extends in groove bottom wall, institute It states and is contained with lubricating oil in oil-way, the pressure difference generated using high speed whereabouts makes the lubricating oil splash in oil-way exist On groove inner wall, to reduce frictional force when hydraulic hammer is contacted with groove.
Preferably, the protection block and air groove are provided with 4 groups, and protection block described in 4 groups and air groove surround hydraulic hammer The center of circle is in circular arc array distribution, and the protection block is set on the outside of air groove, by the setting of multiple air grooves, hydraulic hammer is made to exist During high speed falls, air is filled in air groove, is made when with groove high-speed extrusion, improve the air pressure pair in groove The upward propulsive thrust of hydraulic hammer.
Preferably, the piling main body is in be slidably connected with driving hydraulic cylinder outer wall, second force-application block and groove-bottom The mutual tight connecting of chamber.
Technical effect and advantage of the invention:
1, pass through the identical setting between hydraulic hammer and groove, during falling hydraulic hammer at high speeds, hydraulic hammer pair Air in groove is squeezed, since the active force of power is mutual, so that the air squeezed not only provides piling main body Downward thrust, but also upward reaction force is provided hydraulic hammer, so that the rapidly commutation of hydraulic hammer is improved, and by In hydraulic hammer and groove composition sealing space in hyperbar make hydraulic hammer can not with piling main body inner wall making contact, thus Reduce the generation of noise;
2, by the lubricating oil held in oil-way, when falling hydraulic hammer at high speeds, the groove of sealing is generated Pressure difference, make the lubricating oil splash in oil-way on groove inner wall, to reduce rubbing when hydraulic hammer is contacted with groove Wipe power;
3, it by the composition of this device structure, is not only simple in structure, it is easy to operate, and when in use, the noise of generation It is small, to improve ambient enviroment, and using the setting of reset spring and groove, hydraulic hammer can be made to provide upward push away Power reduces the active force that driving hydraulic cylinder applies hydraulic hammer, to save resource.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is hydraulic hammer whereabouts overall structure diagram of the invention.
Fig. 3 is enlarged structure schematic diagram at A in Fig. 1 of the present invention.
Fig. 4 is hydraulic hammer bottom substance schematic diagram of the present invention.
Fig. 5 is bottom portion of groove structural schematic diagram of the present invention.
In figure: 1 piling main body, 2 connecting boxs, 3 driving hydraulic cylinders, 4 piston grooves, 5 piston rods, 6 hydraulic hammers, 61 protection blocks, 7 Between air groove, 8 elasticity, 9 grooves, 91 oil-ways, 10 limit between, 11 reset springs, 12 sealing rings.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of reversing arrangements of hydraulic hammer as shown in Figs. 1-3, including drive piles main body 1 and connecting box 2, The connecting box 2 is set to piling 1 top of main body, and 2 top of connecting box is provided with driving hydraulic cylinder 3,2 bottom of connecting box End is provided with piston groove 4, and the piston groove 4 extends in piling main body 1 through piling 1 roof of main body, and the driving is hydraulic 3 bottom end of cylinder is provided with piston rod 5, and the piston rod 5 runs through piston groove 4, and extends to 4 bottom end of piston groove, 5 bottom of piston rod End is provided with hydraulic hammer 6, and the hydraulic hammer 6 is set in piling main body 1, and 1 intracavity bottom of piling main body is fixedly installed 8 between elasticity, 8 top setting fluted 9 between the elasticity, 9 bottom end of groove extends to piling main body 18 between elasticity Bottom wall of inner cavity, 9 two sides of groove are provided with 10 between limit, and 10 are set in 8 between elasticity between the limit, 10 between the limit Intracavity bottom is fixedly installed reset spring 11,11 top of reset spring, 10 roofs between limit, and extends to groove 9 Interior, 6 bottom of hydraulic hammer is surrounded with sealing ring 12, the rectangular triangle setting in 12 bottom section of sealing ring, institute It states sealing ring 12 and is set as elastic rubber, when hydraulic hammer 6 being made mutually to coincide in dropping process with groove 9, utilize sealing ring 12 Block the gap between hydraulic hammer 6 and groove 9, the air avoided in the sealing space in groove 9 overflows outward, makes groove Air pressure in 9 reduces, and 6 composition material of hydraulic hammer is set as steel, and the hydraulic hammer 6 includes the first force-application block and the second force Block, first force-application block and the second force-application block are in integrated setting, and the hydraulic hammer 6 assumes a " convex " shape setting, and the groove 9 is in The setting of " recessed " shape, the piling main body 1 are in be slidably connected with 3 outer wall of driving hydraulic cylinder, second force-application block and 9 bottom cavity of groove Mutual tight connecting.
A kind of reversing arrangement of hydraulic hammer as shown in Figure 4,6 bottom of hydraulic hammer are provided with air groove 7, the air 7 top of slot extends in hydraulic hammer 6, first force-application block bottom is provided with protection block 61, and the air groove 7 is set to Two force-application block bottoms, the protection block 61 are mutually coincide with 11 top of reset spring, are contacted using hydraulic hammer 6 with reset spring 11 When, reduce and damage as colliding caused by hydraulic hammer 6, to prolong the service life, the protection block 61 and air groove 7 are all provided with 4 groups are equipped with, protection block 61 and air groove 7 described in 4 groups are in circular arc array distribution around 6 center of circle of hydraulic hammer, and the protection block 61 is set It is placed in 7 outside of air groove, by the setting of multiple air grooves 7, during falling hydraulic hammer 6 at high speeds, is contained in air groove 7 There is air, makes when with 9 high-speed extrusion of groove, the propulsive thrust upward to hydraulic hammer 6 of the air pressure in raising groove 9.
A kind of reversing arrangement of hydraulic hammer as shown in Figure 5,9 bottom end of groove are provided with oil-way 91, the profit 91 bottom end of oil groove extends in 9 bottom wall of groove, is contained with lubricating oil in the oil-way 91, is generated using high speed whereabouts Pressure difference makes the lubricating oil splash in oil-way 91 on 9 inner wall of groove, to reduce when hydraulic hammer 6 is contacted with groove 9 Frictional force.
Working principle of the present invention: when in use, from 4 bottom of piston groove, freely high speed falls hydraulic hammer 6, high in hydraulic hammer 6 When speed falls, the air in air and groove 9 having in air groove 7 forms height by hydraulic hammer 6 and 9 mutual extrusion of groove Pressure, and high pressure gas field provides the active force main body 1 that makes to drive piles to piling main body 1 downwards and moves downward and exert a force to stake, and High pressure gas field, which provides reaction force to hydraulic hammer 6 upwards, moves upwards hydraulic hammer 6, and 8 when contacting between hydraulic hammer 6 and elasticity, Reset spring 11 also provides downward active force to piling main body 1 and provides hydraulic hammer 6 upward reaction force, utilizes two Upward reaction force makes hydraulic hammer 6 have the power resources moved upwards, thus the movement for keeping hydraulic hammer 6 downward become to Upper movement reduces the active force that driving hydraulic cylinder 3 is applied, has saved resource, to reach the purpose of the present invention.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention, Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features, All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention Within protection scope.

Claims (6)

1. a kind of reversing arrangement of hydraulic hammer, including piling main body (1) and connecting box (2), it is characterised in that: the connecting box (2) it is set to piling main body (1) top, connecting box (2) top is provided with driving hydraulic cylinder (3), connecting box (2) bottom End is provided with piston groove (4), and the piston groove (4) extends in piling main body (1) through piling main body (1) roof, described Driving hydraulic cylinder (3) bottom end is provided with piston rod (5), and the piston rod (5) runs through piston groove (4), and extends to piston groove (4) Bottom end, piston rod (5) bottom end are provided with hydraulic hammer (6), and the hydraulic hammer (6) is set in piling main body (1), the liquid Hammer (6) bottom is provided with air groove (7), and air groove (7) top extends in hydraulic hammer (6), the piling main body (1) Intracavity bottom is fixedly installed flexible (8), fluted (9) is arranged at the top of (8) between the elasticity, groove (9) bottom end is passed through It wears (8) between elasticity, and extends to piling main body (1) bottom wall of inner cavity, groove (9) two sides are provided between limit (10), described (8) are interior between (10) are set to elasticity between limit, and (10) intracavity bottom is fixedly installed reset spring (11) between the limit, described Reset spring (11) top (10) roof between limit, and extend in groove (9).
2. a kind of reversing arrangement of hydraulic hammer according to claim 1, it is characterised in that: hydraulic hammer (6) bottom part ring It is provided around sealing ring (12), the rectangular triangle setting in sealing ring (12) bottom section, sealing ring (12) setting Make hydraulic hammer using sealing ring (12) when hydraulic hammer (6) being made mutually to coincide in dropping process with groove (9) for elastic rubber (6) the gap blocking between groove (9), the air avoided in the sealing space in groove (9) overflow outward, make groove (9) air pressure in reduces.
3. a kind of reversing arrangement of hydraulic hammer according to claim 1, it is characterised in that: hydraulic hammer (6) group is become a useful person Material is set as steel, and the hydraulic hammer (6) includes the first force-application block and the second force-application block, first force-application block and the second force-application block In integrated setting, the hydraulic hammer (6) assumes a " convex " shape setting, and the groove (9) is arranged in " recessed " shape, first force-application block Bottom is provided with protection block (61), and the air groove (7) is set to the second force-application block bottom, the protection block (61) and reset bullet It mutually coincide at the top of spring (11), when being contacted using hydraulic hammer (6) and reset spring (11), reduces due to colliding to hydraulic hammer (6) Caused by damage, to prolong the service life.
4. a kind of reversing arrangement of hydraulic hammer according to claim 1, it is characterised in that: groove (9) the bottom end setting Have oil-way (91), oil-way (91) bottom end extends in groove (9) bottom wall, holds in the oil-way (91) There is lubricating oil, the pressure difference generated using high speed whereabouts makes the lubricating oil splash in oil-way (91) in groove (9) inner wall On, to reduce frictional force when hydraulic hammer (6) and groove (9) contact.
5. a kind of reversing arrangement of hydraulic hammer according to claim 3, it is characterised in that: the protection block (61) and sky Air drain (7) is provided with 4 groups, and protection block described in 4 groups (61) and air groove (7) divide around hydraulic hammer (6) center of circle in circular arc array Cloth, the protection block (61) are set on the outside of air groove (7), by the setting of multiple air grooves (7), make hydraulic hammer (6) in height During speed falls, air is filled in air groove (7), is made when with groove (9) high-speed extrusion, improves the sky in groove (9) The atmospheric pressure propulsive thrust upward to hydraulic hammer (6).
6. a kind of reversing arrangement of hydraulic hammer according to claim 3, it is characterised in that: the piling main body (1) with Driving hydraulic cylinder (3) outer wall is in be slidably connected, second force-application block and the mutual tight connecting of groove (9) bottom cavity.
CN201711382088.8A 2017-12-20 2017-12-20 A kind of reversing arrangement of hydraulic hammer Active CN108118696B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711382088.8A CN108118696B (en) 2017-12-20 2017-12-20 A kind of reversing arrangement of hydraulic hammer

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Application Number Priority Date Filing Date Title
CN201711382088.8A CN108118696B (en) 2017-12-20 2017-12-20 A kind of reversing arrangement of hydraulic hammer

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CN108118696B true CN108118696B (en) 2019-11-05

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109797745B (en) * 2019-01-11 2020-09-04 中信重工机械股份有限公司 Spacing protection device of hydraulic pile hammer
CN112064639A (en) * 2020-09-04 2020-12-11 江苏省建筑工程集团有限公司 Pile driver for building site
CN112982406A (en) * 2021-03-22 2021-06-18 高雷 Concrete pouring pile machine for building engineering and use method thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2215969Y (en) * 1994-12-23 1995-12-27 蔡河山 Small hydraulic hammer
CN2334548Y (en) * 1998-09-17 1999-08-25 张秀峰 Hydraulic hammer
CN2464777Y (en) * 2001-02-27 2001-12-12 华南理工大学 Hydraulic-pneumatic driving device for hydraulic piling hammer
CN201198571Y (en) * 2008-03-03 2009-02-25 天津市海王星海上工程技术有限公司 Simple high energy refusal restarting hydraulic pile driving hammer
CN201292530Y (en) * 2008-11-06 2009-08-19 顾荣森 Integral hydraulic hammer
CN202500137U (en) * 2012-03-16 2012-10-24 烟台市芝罘明发气动元件厂 A high output-power continuous impact air pile hammer
CN203768905U (en) * 2014-03-28 2014-08-13 烟台市芝罘明发气动元件厂 Cannon type pile hammer

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2215969Y (en) * 1994-12-23 1995-12-27 蔡河山 Small hydraulic hammer
CN2334548Y (en) * 1998-09-17 1999-08-25 张秀峰 Hydraulic hammer
CN2464777Y (en) * 2001-02-27 2001-12-12 华南理工大学 Hydraulic-pneumatic driving device for hydraulic piling hammer
CN201198571Y (en) * 2008-03-03 2009-02-25 天津市海王星海上工程技术有限公司 Simple high energy refusal restarting hydraulic pile driving hammer
CN201292530Y (en) * 2008-11-06 2009-08-19 顾荣森 Integral hydraulic hammer
CN202500137U (en) * 2012-03-16 2012-10-24 烟台市芝罘明发气动元件厂 A high output-power continuous impact air pile hammer
CN203768905U (en) * 2014-03-28 2014-08-13 烟台市芝罘明发气动元件厂 Cannon type pile hammer

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