CN113653051A - Dustproof pile driver of making an uproar falls based on environmental protection engineering - Google Patents

Dustproof pile driver of making an uproar falls based on environmental protection engineering Download PDF

Info

Publication number
CN113653051A
CN113653051A CN202110936979.3A CN202110936979A CN113653051A CN 113653051 A CN113653051 A CN 113653051A CN 202110936979 A CN202110936979 A CN 202110936979A CN 113653051 A CN113653051 A CN 113653051A
Authority
CN
China
Prior art keywords
fixedly connected
dustproof
dust
noise
hammer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202110936979.3A
Other languages
Chinese (zh)
Inventor
任仕鸾
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202110936979.3A priority Critical patent/CN113653051A/en
Publication of CN113653051A publication Critical patent/CN113653051A/en
Withdrawn legal-status Critical Current

Links

Images

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
    • E02D7/08Drop drivers with free-falling hammer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/04Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D13/00Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D13/00Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
    • E02D13/005Sound absorbing accessories in piling
    • 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
    • E02D7/14Components for drivers inasmuch as not specially for a specific driver construction
    • 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
    • E02D7/14Components for drivers inasmuch as not specially for a specific driver construction
    • E02D7/16Scaffolds or supports for drivers

Landscapes

  • 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 provides a noise-reducing and dust-preventing pile driver based on environmental protection engineering, which comprises a supporting bottom plate, a plurality of vertical rods, a top plate, a pile driving mechanism and a dust-preventing and noise-reducing mechanism for preventing dust and reducing noise, wherein the surface of the supporting bottom plate is fixedly connected with the vertical rods, the top ends of the vertical rods are fixedly connected with the top plate, the pile driving mechanism is arranged on the top plate, and the dust-preventing and noise-reducing mechanism is arranged on the supporting bottom plate. This dustproof pile driver of making an uproar falls based on environmental protection engineering can conveniently observe the hammer condition of falling according to the noise pollution and the dust pollution's that current pile driver exists problem, design out, can prevent dust comprehensively and fall the special construction of making an uproar to effectual general pile driver of having solved produces a large amount of dusts and noise pollution easily in the pile, the structure of making an uproar excessively seals in the ordinary, the sealed structure of making an uproar that falls of falling hammer pile driver easy damage, influence the problem of the observation of the hammer condition of falling moreover.

Description

Dustproof pile driver of making an uproar falls based on environmental protection engineering
Technical Field
The invention relates to the technical field of environmental protection engineering, in particular to a noise-reducing and dust-preventing pile driver based on environmental protection engineering.
Background
The pile driver is a piling machine which utilizes impact force to penetrate a pile into a stratum during the process of construction, strong collision between the pile driver and the pile can generate great sound and lift a large amount of dust on the ground, the existing pile driver can generate continuous sound in the frequent striking process of the drop hammer, the noise is always kept along with the pile driving, the noise pollution is generated to the surrounding, the language communication of surrounding people is influenced, the generated dust can be diffused all around, the surrounding working environment is influenced, the existing pile driver has few noise reduction devices, only the noise reduction devices are mostly blocked in a sealing and isolating mode, the structures are compact, are not suitable for the drop hammer driver, are easy to damage and have a small control range, be difficult to observe the pile circumstances, it is inconvenient to use, and general pile driver produces a large amount of dust and noise pollution easily in the pile, and the structure of making an uproar excessively seals in ordinary, and the structure of making an uproar falls in the easy damage of drop hammer pile driver, influences the observation of the drop hammer circumstances moreover, so needs the dustproof pile driver of making an uproar of falling based on environmental protection engineering.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a noise-reducing and dust-preventing pile driver based on environmental protection engineering, which solves the problems that a common pile driver is easy to generate a large amount of dust and noise pollution during piling, a common noise-reducing structure is too closed, a sealed noise-reducing structure is easy to damage by a drop hammer pile driver, and the observation of the drop hammer condition is influenced.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a dustproof pile driver of making an uproar falls based on environmental protection engineering, includes supporting baseplate, a plurality of montant, roof, pile mechanism and is used for dustproof the mechanism of making an uproar falls of making an uproar, supporting baseplate's fixed surface is connected with the several montant, the top fixedly connected with roof of montant, pile mechanism sets up on the roof, dustproof the mechanism of making an uproar setting of falling is on supporting baseplate.
Preferably, the pile mechanism includes motor, two collateral branch faggings, the pivot of falling the hammer, connecting chain and the tup of falling the hammer, the mouth of falling the hammer has been seted up on the surface of roof, two collateral branch faggings of fixed surface of roof are two the collateral branch fagging uses the central line on roof surface to be the symmetric distribution as the line of symmetry, the surface of collateral branch fagging is provided with the bearing, the inner circle fixed connection of the surface of the pivot of falling the hammer and bearing, motor fixed mounting is on the roof, the output shaft of motor passes through the shaft coupling and the one end fixed connection of the pivot of falling the hammer, the one end of connecting chain and the fixed surface connection of the pivot of falling the hammer, the other end of connecting chain and the fixed surface connection of the tup of falling the hammer.
Preferably, the inner wall of the drop hammer port is fixedly connected with a supporting rod, the surface of the supporting rod is fixedly connected with a limiting ring, and the surface of the connecting chain is connected with the inner wall of the limiting ring in a sliding mode.
Preferably, dustproof mechanism of making an uproar of falling includes hammer mouth, several arc vibrations board and several dustproof membrane of making an uproar of falling down, hammer mouth down has been seted up on the surface of supporting baseplate, hammer mouth down is located hammer mouth under, hammer mouth's inner wall fixedly connected with several arc vibrations board, several hammer mouth's below the arc vibrations board center is the circumference for the centre of a circle and distributes, is provided with constrictive space between two adjacent arc vibrations boards, be provided with the contained angle space of V font between arc vibrations board and the inner wall of hammering mouth down, the surface of arc vibrations board is the slope form, and several arc vibrations board forms under the width narrow loudspeaker form, adjacent two membrane of making an uproar of falling of fixedly connected with between the arc vibrations board, fixed connection between two adjacent dustproof membrane of making an uproar of falling.
Preferably, the medial surface fixedly connected with several echo piece of arc vibrations board, the fixed surface of the membrane of making an uproar falls in the dustproof several vibrations spring that is connected with, each the equal fixedly connected with clean shot bell of one end of vibrations spring, the clean shot bell is the hollow metal shell, the inner wall fixedly connected with several metal separation blade of clean shot bell, the inside of clean shot bell is provided with a metal ball, the several through-hole has been seted up on the surface of clean shot bell.
Preferably, the dustproof noise reduction mechanism further comprises a traction ring, the surface of the drop hammer head is fixedly connected with the traction ring, and the surface of the traction ring is arc-shaped.
Preferably, the surface of the supporting bottom plate is fixedly connected with a plurality of hydraulic telescopic rods, and the bottom of each hydraulic telescopic rod is fixedly connected with a supporting leg.
(III) advantageous effects
(1) According to the invention, by arranging the dustproof noise reduction mechanism, the special structure is instantaneously expanded and expanded by virtue of the air flow generated by the hammer head of the drop hammer according to hydromechanics, and the dust recoil generated during pile driving can be greatly contained and blocked by combining the wave-shaped up-and-down movement trend formed by the dustproof noise reduction film, so that the dustproof effect is achieved, in addition, a large amount of echoes can be generated in a certain space in the process, the impact sound generated by the drop hammer is reversely offset with the sound waves, so that a large amount of sound can be consumed in a certain drop hammer space, the noise is greatly reduced, in the dustproof noise reduction process, the movable dustproof noise reduction film can be suitable for a larger space to use mainly by virtue of the wave-shaped fluctuation of the dustproof noise reduction film, and the drop hammer condition is conveniently observed.
(2) According to the invention, the arc-shaped vibration plate is arranged, so that on one hand, the arc-shaped vibration plate can play a role in limiting space to limit dust prevention and noise reduction within a certain space range, and on the other hand, high-frequency vibration can be generated before impact sound is generated under the action of fluid mechanics, and the high-frequency vibration can be counteracted with vibration generated by sound in the vibration process to further reduce noise.
(3) The hollow ball bell is arranged, the hollow ball bell can vibrate comprehensively within a certain range to generate a ring tone, the ring tone can be distributed comprehensively within a drop hammer range, and the drop hammer aftertone can be eliminated greatly.
(4) According to the invention, a special structure which is convenient for observing the condition of the drop hammer and can comprehensively prevent dust and reduce noise is designed according to the problems of noise pollution and dust pollution existing in the existing pile driver, so that the problems that a large amount of dust and noise pollution are easily generated in the piling process of a common pile driver, a common noise reduction structure is too closed, the sealed noise reduction structure is easily damaged by the drop hammer pile driver, and the observation of the condition of the drop hammer is influenced are effectively solved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the lower hammer port structure of the present invention;
FIG. 3 is a side view of the structure of the dust control and noise reduction film of the present invention;
fig. 4 is a sectional view of the hollow spherical bell structure of the present invention.
The device comprises a supporting base plate 1, a vertical rod 2, a top plate 3, a piling mechanism 4, a motor 41, a side supporting plate 42, a drop hammer rotating shaft 43, a connecting chain 44, a drop hammer head 45, a drop hammer port 46, a supporting rod 47, a limiting ring 48, a dustproof noise reduction mechanism 5, a drop hammer port 51, an arc vibration plate 52, a dustproof noise reduction film 53, a return sound sheet 54, a vibration spring 55, a hollow ball 56, a metal baffle 57, a metal ball 58, a through hole 59, a traction ring 510, a hydraulic telescopic rod 6 and a supporting leg 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4, an embodiment of the present invention provides a noise reduction and dust reduction pile driver based on environmental engineering, which includes a supporting base plate 1, a plurality of vertical rods 2, a top plate 3, a pile driving mechanism 4, and a dust reduction and noise reduction mechanism 5 for dust prevention and noise reduction, wherein the supporting base plate 1 is fixedly connected with the plurality of vertical rods 2, the top end of each vertical rod 2 is fixedly connected with the top plate 3, the pile driving mechanism 4 is disposed on the top plate 3, and the dust reduction and noise reduction mechanism 5 is disposed on the supporting base plate 1.
The pile driving mechanism 4 comprises a motor 41 and two side support plates 42, drop hammer pivot 43, connecting link 44 and drop hammer head 45, drop hammer mouth 46 has been seted up on the surface of roof 3, two collateral branch fagging 42 of fixed surface of roof 3 are connected with, two collateral branch fagging 42 use the central line on roof 3 surface to be the symmetric distribution as the symmetric line, the surface of collateral branch fagging 42 is provided with the bearing, the surface of drop hammer pivot 43 and the inner circle fixed connection of bearing, motor 41 fixed mounting is on roof 3, the output shaft of motor 41 passes through the shaft coupling and the one end fixed connection of drop hammer pivot 43, the one end of connecting link 44 is connected with the fixed surface of drop hammer pivot 43, the other end of connecting link 44 is connected with the fixed surface of drop hammer head 45, the inner wall fixed connection of drop hammer mouth 46 has bracing piece 47, the fixed surface of bracing piece 47 is connected with spacing ring 48, the surface of connecting link 44 and the inner wall sliding connection of spacing ring 48.
The dustproof and noise reduction mechanism 5 comprises a lower hammer mouth 51, a plurality of arc-shaped vibration plates 52 and a plurality of dustproof and noise reduction films 53, the surface of the supporting base plate 1 is provided with the lower hammer mouth 51, the lower hammer mouth 51 is positioned under the lower hammer mouth 46, the inner wall of the lower hammer mouth 51 is fixedly connected with the plurality of arc-shaped vibration plates 52, the plurality of arc-shaped vibration plates 52 are distributed in a circumferential manner by taking the center of the lower hammer mouth 51 as the center of a circle, a narrow gap is arranged between the two adjacent arc-shaped vibration plates 52, a V-shaped included angle gap is arranged between the arc-shaped vibration plates 52 and the inner wall of the lower hammer mouth 51, the surface of each arc-shaped vibration plate 52 is inclined, the plurality of arc-shaped vibration plates 52 form a horn shape with the upper width and the lower width, the dustproof and noise reduction films 53 are fixedly connected between the two adjacent arc-shaped vibration plates 52, the inner side surfaces of the two adjacent dustproof and noise reduction films 53 are fixedly connected, the inner side surfaces of the arc-shaped vibration plates 52 are fixedly connected with a plurality of return sheets 54, the dustproof and noise reduction films 53 are fixedly connected with a plurality of vibration springs 55, the equal fixedly connected with of one end of each vibrations spring 55 hollow ball bell 56, hollow ball bell 56 is the hollow metal shell, the inner wall fixedly connected with several metal separation blade 57 of hollow ball bell 56, the inside of hollow ball bell 56 is provided with a metal ball 58, several through-hole 59 has been seted up on the surface of hollow ball bell 56, dustproof mechanism of making an uproar 5 of making an uproar still includes drag ring 510, the fixed surface of hammer 45 that falls is connected with drag ring 510, the surface of drag ring 510 is the arc form, the fixed surface of supporting baseplate 1 is connected with several hydraulic telescoping rod 6, the bottom fixedly connected with supporting legs 7 of hydraulic telescoping rod 6.
When the device is used, the supporting base plate 1 is moved to a piling position, the pile is positioned in the lower hammer mouth 51, the dustproof noise reduction film 53 and the arc-shaped vibration plate 52 are attached to the ground as much as possible, the height of each supporting foot 7 is lifted through the hydraulic telescopic rod 6 to reach a state that the supporting base plate 1 is horizontal, a power supply is connected, the motor 41 is started, the motor 41 winds the connecting chain 44 through the falling hammer rotating shaft 43, the connecting chain 44 pulls the falling hammer head 45 to a high position and then falls, the falling hammer head 45 falls to generate rapid airflow on the inner side of the arc-shaped vibration plate 52 through the traction ring 510, each dustproof noise reduction film 53 is adsorbed and expanded, the traction ring 510 falls, the expanded position synchronously moves downwards, in the process, the arc-shaped vibration plate 52 can also be adsorbed by adsorption force to generate continuous vibration, the vibration spring 55 can drive the hollow ball bell 56 to generate bell on the arc-shaped vibration plate 52, the bell can be rebounded and transmitted downwards by the echo sheet 54 in a trumpet-shaped space, when the drop hammer head 45 impacts the pile, dust and air flow reversely recoil, the air flow and the dust extrude the dustproof noise reduction film 53 to fluctuate upwards, the dustproof noise reduction film 53 bulges and moves upwards, the dust and sound are pressed below and gradually consumed all the time, and the vibrating arc-shaped vibration plate 52 and a large number of ring tones can greatly weaken reverse sound.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims (7)

1. The utility model provides a dustproof pile driver of making an uproar falls based on environmental protection engineering, includes supporting baseplate (1), a plurality of montant (2), roof (3), pile mechanism (4) and be used for dustproof mechanism (5) of making an uproar that fall, its characterized in that: the surface fixed connection of supporting baseplate (1) has several montant (2), the top fixedly connected with roof (3) of montant (2), pile mechanism (4) set up on roof (3), dustproof mechanism (5) of making an uproar that fall sets up on supporting baseplate (1).
2. The noise-reducing and dust-preventing pile driver based on environmental engineering as claimed in claim 1, wherein: the piling mechanism (4) comprises a motor (41), two side supporting plates (42), a drop hammer rotating shaft (43), a connecting chain (44) and a drop hammer head (45), the surface of the top plate (3) is provided with a drop hammer port (46), the surface of the top plate (3) is fixedly connected with two side supporting plates (42), the two side supporting plates (42) are symmetrically distributed by taking the center line of the surface of the top plate (3) as a symmetrical line, the surface of the side supporting plate (42) is provided with a bearing, the surface of the drop hammer rotating shaft (43) is fixedly connected with the inner ring of the bearing, the motor (41) is fixedly arranged on the top plate (3), an output shaft of the motor (41) is fixedly connected with one end of the drop hammer rotating shaft (43) through a coupler, one end of the connecting chain (44) is fixedly connected with the surface of the drop hammer rotating shaft (43), the other end of the connecting chain (44) is fixedly connected with the surface of the drop hammer head (45).
3. The noise-reducing and dust-preventing pile driver based on environmental engineering as claimed in claim 2, wherein: the inner wall fixedly connected with bracing piece (47) of hammer mouth (46) falls, the fixed surface of bracing piece (47) is connected with spacing ring (48), the surface of connecting link (44) and the inner wall sliding connection of spacing ring (48).
4. The noise-reducing and dust-preventing pile driver based on environmental engineering as claimed in claim 3, wherein: the dustproof noise reduction mechanism (5) comprises a lower hammer port (51), a plurality of arc-shaped vibration plates (52) and a plurality of dustproof noise reduction films (53), the surface of the supporting base plate (1) is provided with a lower hammer port (51), the lower hammer port (51) is positioned under the lower hammer port (46), the inner wall of the lower hammer port (51) is fixedly connected with a plurality of arc-shaped vibration plates (52), a plurality of arc-shaped vibration plates (52) are circumferentially distributed by taking the center of the lower hammer port (51) as the circle center, a narrow gap is arranged between every two adjacent arc-shaped vibration plates (52), a V-shaped included angle gap is arranged between the arc-shaped vibration plates (52) and the inner wall of the lower hammer port (51), the surface of each arc-shaped vibration plate (52) is inclined, the arc-shaped vibration plates (52) form a horn shape with the upper width and the lower width, and one dustproof noise reduction film (53) is fixedly connected between every two adjacent arc-shaped vibration plates (52), two adjacent dustproof noise reduction films (53) are fixedly connected.
5. The noise-reducing and dust-preventing pile driver based on environmental engineering as claimed in claim 4, wherein: the utility model discloses a vibration damping device, including arc vibrations board (52), medial surface fixedly connected with several echo piece (54), the fixed surface of membrane (53) of making an uproar falls in the dustproof several vibrations spring (55), each the equal fixedly connected with hollow ball bell (56) of one end of vibrations spring (55), hollow ball bell (56) are hollow metal casing, the inner wall fixedly connected with several metal separation blade (57) of hollow ball bell (56), the inside of hollow ball bell (56) is provided with a metal ball (58), several through-hole (59) have been seted up on the surface of hollow ball bell (56).
6. The noise-reducing and dust-preventing pile driver based on environmental engineering as claimed in claim 5, wherein: dustproof mechanism of making an uproar (5) of falling still includes traction ring (510), the fixed surface of hammer tup (45) that falls is connected with traction ring (510), the surface of traction ring (510) is the arc form.
7. The noise-reducing and dust-preventing pile driver based on environmental engineering as claimed in claim 6, wherein: the surface of the supporting bottom plate (1) is fixedly connected with a plurality of hydraulic telescopic rods (6), and the bottom of each hydraulic telescopic rod (6) is fixedly connected with a supporting leg (7).
CN202110936979.3A 2021-08-16 2021-08-16 Dustproof pile driver of making an uproar falls based on environmental protection engineering Withdrawn CN113653051A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110936979.3A CN113653051A (en) 2021-08-16 2021-08-16 Dustproof pile driver of making an uproar falls based on environmental protection engineering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110936979.3A CN113653051A (en) 2021-08-16 2021-08-16 Dustproof pile driver of making an uproar falls based on environmental protection engineering

Publications (1)

Publication Number Publication Date
CN113653051A true CN113653051A (en) 2021-11-16

Family

ID=78491647

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110936979.3A Withdrawn CN113653051A (en) 2021-08-16 2021-08-16 Dustproof pile driver of making an uproar falls based on environmental protection engineering

Country Status (1)

Country Link
CN (1) CN113653051A (en)

Similar Documents

Publication Publication Date Title
KR20170110578A (en) Noise mitigation system
CN113653051A (en) Dustproof pile driver of making an uproar falls based on environmental protection engineering
JPS60159218A (en) Sound-insulator for pile hammer
CN210827629U (en) Engineering machinery arm frame with dust removal and noise reduction functions
CN110671063A (en) Telescopic drilling protective cover structure
CN113652955B (en) Bridge anti-seismic support
JP3148608B2 (en) Rolling device using air tamper in embankment construction
CN209340412U (en) A kind of blower antidetonation installation suspension and support
CN209798749U (en) Bridge construction is with pile device
CN220410847U (en) Scraper mounting base
CN112097741A (en) Building interior decoration auxiliary equipment
CN219780030U (en) Anti-frost-heaving device for photovoltaic upright post on water
CN215829501U (en) Building foundation bearing capacity check out test set
CN214738038U (en) Construction pile driving device that stability is good
JP2991569B2 (en) Double hammer type pile driving device
CN219509384U (en) Construction coaming with anti-collision function for building
CN216786754U (en) Noise reduction device for municipal construction
CN219568629U (en) Auxiliary equipment for continuous steel bridge cantilever construction
CN214668785U (en) Detection device for determining mounting quality of ceramic tile
JPH08131922A (en) Automatic drawing device on eminence
EP0016215B1 (en) Ram block for driving piles and the like into the ground
CN214404492U (en) Eccentric reducer damping device of large demineralized water pump
JPH08260438A (en) Generation preventive device for impact wave force in waterside structure
CN212052749U (en) Diesel hammer construction pile cap structure
JPS6123072Y2 (en)

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20211116

WW01 Invention patent application withdrawn after publication