CN115613575A - Be suitable for civil engineering concrete pile scavenging machine - Google Patents
Be suitable for civil engineering concrete pile scavenging machine Download PDFInfo
- Publication number
- CN115613575A CN115613575A CN202211371731.8A CN202211371731A CN115613575A CN 115613575 A CN115613575 A CN 115613575A CN 202211371731 A CN202211371731 A CN 202211371731A CN 115613575 A CN115613575 A CN 115613575A
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- China
- Prior art keywords
- arc
- pile
- shaped
- seat
- swing
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D9/00—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof
- E02D9/02—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof by withdrawing
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/08—Removing obstacles
Abstract
The invention relates to the technical field of pile extractors, in particular to a pile extractor, which comprises a pile extracting seat, jacking oil cylinders and a clamping mechanism, wherein the jacking oil cylinders are arranged on two sides of the pile extracting seat, the clamping mechanism is arranged above the pile extracting seat, the scraping mechanism comprises arc-shaped seats, the symmetrical arc-shaped seats are respectively connected to the side surfaces of the symmetrical jacking oil cylinders through symmetrical hydraulic push rods, the symmetrical arc-shaped seats are sleeved on two sides of a pipe pile, a swinging groove is formed in the inner side surface of each symmetrical arc-shaped seat, an arc-shaped swinging plate is rotatably arranged in each swinging groove through an arc-shaped shaft rod, an arc-shaped scraper is arranged on the lower end surface of each arc-shaped swinging plate, and a plurality of hydraulic push rods are arranged below the inner side wall of each symmetrical swinging groove.
Description
Technical Field
The invention relates to the technical field of pile extractors, in particular to a concrete pile remover suitable for civil engineering.
Background
The existing pile extractor is a piling machine which utilizes the power of a hydraulic cylinder I to extract a round pipe pile, I-steel and Larsen steel sheet pile into a stratum.
The patent application number is CN202121255222.X, and the patent name comprises: the clamp module is used for clamping the column pile; the jacking module is used for controlling the vertical movement of the clamp module so as to be convenient for pulling out the column pile; the clamp module and the jacking module are mutually sleeved and connected and are sleeved outside the column pile.
Although current pile puller can extract the tubular pile, nevertheless because the tubular pile directly squeezes into all among earth, therefore, when the tubular pile was extracted through the pile puller, the surperficial adhesion that can go out the tubular pile has a certain amount of earth, therefore, along with the pile puller constantly extracts the tubular pile, the earth that can lead to tubular pile surface adhesion contacts with the grip block of the anchor clamps module of pile puller, and then can lead to grip block or pile puller surface adhesion or drop earth, and then need clear up the grip block of pile puller, still need clear up mud alone to the tubular pile after extracting simultaneously and handle.
Disclosure of Invention
The object of the present invention is to provide a concrete pile removing machine suitable for civil engineering to solve the problems set forth in the background art described above.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a be suitable for civil engineering concrete pile clearing machine, is equipped with jacking cylinder including pulling out stake seat, jacking cylinder and clamping mechanism, pulls out both sides on the stake seat, pulls out stake seat top and is equipped with clamping mechanism, and clamping mechanism is used for the centre gripping tubular pile, jacking cylinder is used for controlling the vertical removal of clamping mechanism, is convenient for extract the tubular pile, the below of pulling out stake seat is provided with strikes off the mechanism, and strikes off the mechanism cover and establish in the outside of tubular pile, strike off the earth that the mechanism is used for the tubular pile surface adhesion who will extract and clear up.
Preferably, strike off the mechanism and include the arc seat, the symmetry the arc seat is connected to the jacking cylinder side of symmetry respectively through the hydraulic rod of symmetry, the symmetry the arc seat cup joints in the both sides of tubular pile, and the medial surface of the arc seat of symmetry has seted up the swing groove, it is provided with the arc swing board to rotate through the arc axostylus axostyle in the swing groove, the lower terminal surface of arc swing board is provided with the arc scraper, the symmetry the inside wall below of swing groove is provided with a plurality of hydraulic rod, and hydraulic rod's telescopic link terminal surface is connected with the side of arc swing board, the symmetry the tubular pile outside is laminated in the swing of arc scraper under the promotion of swing inslot hydraulic rod for the earth to the tubular pile surface adhesion after extracting is cleared up.
Preferably, an arc-shaped elastic plate is arranged between the lower portion of the inner portion of the swing groove and the arc-shaped swing plate, a hidden cavity is formed in the arc-shaped elastic plate, a plurality of hydraulic push rods located in the swing groove are installed in the hidden cavity, and the hidden cavity and the cavity wall on the side of the arc-shaped swing plate are provided with hard plates.
Preferably, an elastic splash guard is obliquely arranged below the arc-shaped elastic plate, one side face of one end of the elastic splash guard is connected with the arc-shaped scraper, and the other side face of the elastic splash guard is connected to the lower side of the swinging groove.
Preferably, an elastic scraper is fixedly arranged on the lower groove wall of the swing groove, and the side face, close to the arc-shaped scraper, of the elastic scraper is attached to the lower surface of the elastic mudguard in a sliding mode.
Preferably, clamping mechanism is including supporting the ring, the lower surface array connection who supports the ring has the support connecting rod of multiunit symmetry, and the support connecting rod lower surface of every group symmetry all is connected with the fixed block, every the lower surface of fixed block is connected with L type connecting block, and the corresponding side of every L type connecting block all installs and press from both sides tight piece, the upper surface of pulling out the pile seat is provided with a plurality of tight hydro-cylinders that press from both sides, and the piston rod end face that presss from both sides tight hydro-cylinder is connected to the lower surface that supports the ring.
Preferably, a supporting base is arranged right below the pile pulling seat, and the upper surface of the supporting base is connected with a piston rod of a jacking oil cylinder.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the pile pulling device, the scraping mechanism is arranged below the pile pulling seat, when a piston rod of the jacking oil cylinder contracts, the pile pulling seat can be driven to vertically move downwards to directly scrape and drop soil adhered to the surface of a pipe pile, the clamping mechanism can move to the surface of the pipe pile after being scraped and cleaned along with the continuous sliding of the scraping mechanism on the outer wall of the pipe pile, then the clamping mechanism can continuously clamp the pipe pile, and the surface of the pipe pile is scraped and cleaned at the moment.
2. According to the invention, the arc elastic plate is arranged on the inner side of the arc swing plate, the hydraulic push rods are arranged in the hidden cavity, and the elastic hard plate with the arc structure is matched, so that when the piston rods of the hydraulic push rods synchronously extend, the whole arc swing plate can be pushed to be obliquely arranged through the arc elastic plate and the hard plate, and the phenomenon that the arc swing plate can not integrally swing due to the fact that the piston rods are only in small-area contact with the arc swing plate and can only act on the local position of the arc swing plate when the piston rods extend, and the arc swing plate can not locally deform is prevented, and the arc scraper can not integrally attach to the surface of a pipe pile, and the scraping and cleaning effect of the arc scraper on the soil adhered to the surface of the pipe pile is influenced.
Drawings
FIG. 1 is a schematic construction view of a pile extractor according to the present invention;
FIG. 2 is a schematic structural view of the pile extractor of the present invention;
FIG. 3 is a schematic view of the clamping mechanism of the present invention;
fig. 4 is a schematic view of the scraping mechanism of the present invention;
fig. 5 is a cross-sectional view of an arcuate seat of the present invention.
In the figure: 1. pulling out the pile seat; 2. a jacking oil cylinder; 3. a scraping mechanism; 31. an arc-shaped seat; 311. a swing groove; 32. a hydraulic push rod; 33. an arc-shaped shaft lever; 34. an arc-shaped swinging plate; 35. an arc-shaped scraper; 4. an arc-shaped elastic plate; 41. a hidden cavity; 5. a hard plate; 6. an elastic fender; 7. an elastic scraper; 8. a clamping mechanism; 81. a support ring; 82. a support link; 83. a fixed block; 84. an L-shaped connecting block; 85. a clamping block; 86. clamping the oil cylinder; 9. and a base is supported.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments 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.
Example 1:
as shown in fig. 1 to 5, the present invention provides a technical solution for a civil engineering concrete pile removing machine: the pipe pile pulling device comprises a pile pulling seat 1, a jacking oil cylinder 2 and a clamping mechanism 8, wherein the jacking oil cylinder 2 is arranged on two sides of the pile pulling seat 1, the clamping mechanism 8 is arranged above the pile pulling seat 1, the clamping mechanism 8 is used for clamping a pipe pile, the jacking oil cylinder 2 is used for controlling the clamping mechanism 8 to vertically move, so that the pipe pile is conveniently pulled out, a scraping mechanism 3 is arranged below the pile pulling seat 1, the scraping mechanism 3 is sleeved on the outer side of the pipe pile, and the scraping mechanism 3 is used for cleaning soil adhered to the surface of the pulled pipe pile; when the pile pulling machine works, when a pile driver is required to pull a driven tubular pile out, although the existing pile driver can pull the tubular pile out, the tubular pile is directly driven into all soil, so when the tubular pile is pulled out through the pile driver, a certain amount of soil is adhered to the surface of the tubular pile out, and as the pile driver continuously pulls out the tubular pile, the soil adhered to the surface of the tubular pile is contacted with a clamping block of a clamp module of the pile driver, so that the soil is adhered to the surface of the clamping block or the surface of the pile driver or falls off, the clamping block of the pile driver is required to be cleaned, and the pulled tubular pile is required to be cleaned independently; therefore, the scraping mechanism 3 is arranged below the pile pulling seat 1, when the pile pulling machine is hoisted to the position of the tubular pile, the pile pulling seat 1 can be sleeved outside the tubular pile at the moment, then the tubular pile is clamped through the clamping mechanism 8, a worker controls the operation of the jacking cylinder 2 through the control system, a piston rod of the jacking cylinder 2 can drive the tubular pile clamped by the clamping mechanism 8 to be pulled out upwards from soil, when the piston rod of the jacking cylinder 2 extends out of the maximum stroke, the clamping mechanism 8 breaks away from the clamping of the tubular pile at the moment, then the piston rod of the jacking cylinder 2 contracts, the worker can control the scraping mechanism 3 to be attached to the surface of the pulled tubular pile at the moment, so that the scraping mechanism 3 can be driven to directly scrape and drop soil adhered to the surface of the tubular pile when the pile pulling seat 1 vertically moves downwards, after the scraping mechanism 3 slides downwards on the outer wall of the tubular pile to scrape, at the clamping mechanism 8 can move to the surface of the tubular pile which has been scraped, then the clamping mechanism 8 continues to clamp the tubular pile, at the surface of the tubular pile is scraped, the surface of the tubular pile is scraped and the soil adhered to be scraped, therefore, the clamping block of the clamping mechanism 8 does not need to scrape the soil adhered to be scraped after the surface of the tubular pile is scraped, and the soil adhered to be scraped, so that the soil adhered to be scraped, and the soil adhered to be scraped.
As an embodiment of the invention, the scraping mechanism 3 includes an arc-shaped seat 31, the symmetrical arc-shaped seat 31 is respectively connected to the side surfaces of the symmetrical jacking cylinders 2 through symmetrical hydraulic push rods 32, the symmetrical arc-shaped seat 31 is sleeved on both sides of the tubular pile, the inner side surface of the symmetrical arc-shaped seat 31 is provided with a swing groove 311, an arc-shaped swing plate 34 is rotatably arranged in the swing groove 311 through an arc-shaped shaft rod 33, the lower end surface of the arc-shaped swing plate 34 is provided with an arc-shaped scraper 35, a plurality of hydraulic push rods 32 are arranged below the inner side wall of the symmetrical swing groove 311, the end surface of a telescopic rod of each hydraulic push rod 32 is connected with the side surface of the arc-shaped swing plate 34, and the symmetrical arc-shaped scraper is pushed by the hydraulic push rods 32 in the swing groove 311 to swing and attach to the outer side of the tubular pile for cleaning up soil adhered to the surface of the pulled tubular pile; when the pipe pile scraping device works, when the pulled-out pipe pile is required to scrape and clean soil, piston rods of the symmetrical hydraulic push rods 32 need to be controlled to stretch out firstly, the symmetrical arc-shaped seats 31 move towards the surface of the pipe pile, the arc-shaped scrapers 35 with symmetrical arcs can be close to the outer side of the pipe pile in a circular ring shape, then piston rods of the hydraulic push rods 32 in the swing grooves 311 are controlled to stretch out, the piston rods can push the lower parts of the arc-shaped swing plates 34 to be obliquely attached to the surface of the pipe pile, the arc-shaped scrapers 35 can be attached to the surface of the pipe pile, and then when the clamping mechanism 8 is separated from clamping the stretched pipe pile, the pipe pile is in a static state, so that the circular arc-shaped scrapers 35 can be attached to the surface of the pipe pile to move downwards under the contraction of the jacking oil cylinder 2 to scrape and clean the pipe pile; after the jacking oil cylinder 2 contracts and resets, the clamping mechanism 8 continues to clamp the scraped and cleaned tubular pile, then the tubular pile can be continuously pulled out after a piston rod of the jacking oil cylinder 2 extends out, the circular arc-shaped scraper 35 is just positioned above the part of the tubular pile extending out, and then the jacking oil cylinder 2 can be recovered and can drive the arc-shaped scraper 35 to continuously scrape and clean the extended tubular pile, so that the soil adhered to the surface of the pulled tubular pile can be prevented from directly adhering to the clamping mechanism 8, the clamping mechanism 8 needs to be integrally cleaned, and meanwhile, the surface soil can be directly cleaned after the tubular pile is pulled out, and further, the tubular pile after being pulled out does not need to be cleaned independently; simultaneously, the symmetrical arc-shaped scrapers 35 are set to swing states through the arc-shaped swing plates 34, the distances from the arc-shaped scrapers 35 to the surfaces of the tubular piles can be adjusted, and accordingly sundries of different shapes adhered to the surfaces of the tubular piles can be conveniently scraped and cleaned.
As an embodiment of the present invention, an arc-shaped elastic plate 4 is disposed between the lower portion inside the swing groove 311 and the arc-shaped swing plate 34, a hidden cavity 41 is disposed inside the arc-shaped elastic plate 4, the plurality of hydraulic push rods 32 located in the swing groove 311 are installed in the hidden cavity 41, and a hard plate 5 is disposed on a wall of a side wall where the hidden cavity 41 and the arc-shaped swing plate 34 are attached; in the working process, in order to facilitate the piston rods of the plurality of hydraulic push rods 32 arranged in the swing groove 311 to extend out to push the arc-shaped scraper 35 to be accurately attached to the surface of the tubular pile, the arc-shaped elastic plate 4 is arranged in the swing groove 311, the plurality of hydraulic push rods 32 are arranged in the hidden cavity 41, and the elastic hard plate 5 with the arc-shaped structure is matched with each other, when the piston rods of the plurality of hydraulic push rods 32 extend out synchronously, the whole arc-shaped swing plate 34 is pushed to be obliquely arranged through the arc-shaped elastic plate 4 and the hard plate 5, so that the phenomenon that the arc-shaped swing plate 34 is deformed locally and cannot swing integrally due to the fact that the plurality of piston rods are only in small-area contact with the arc-shaped swing plate 34 when the piston rods extend out is prevented, the phenomenon that the arc-shaped scraper 35 is integrally attached to the surface of the tubular pile cannot occur, and the cleaning effect of the arc-shaped scraper 35 on the soil adhered to the surface of the tubular pile is further influenced.
As an embodiment of the present invention, an elastic mudguard 6 is obliquely arranged below the arc-shaped elastic plate 4, one side surface of the elastic mudguard 6 is connected with the arc-shaped scraper 35, and the other side surface of the elastic mudguard 6 is connected to the lower side of the swinging groove 311; when the device works, the elastic splash guard 6 is arranged at the lower side of the swinging groove 311, so that soil scraped by the arc scraper 35 can be prevented from splashing to the lower surface of the arc elastic plate 4 or entering the swinging groove 311, and further the swinging of the arc swinging plate 34 is influenced; and when the arc scraper 35 swung at the slope of arc swing board 34, the arc scraper 35 can drive the elastic fender 6 to produce tensile simultaneously for the elastic fender 6 can block completely isolated to the earth of scraping along with the swing of arc scraper 35 all the time.
As an embodiment of the present invention, an elastic scraper 7 is fixed on the lower groove wall of the swing groove 311, and the side surface of the elastic scraper 7 close to the arc-shaped scraper 35 is in sliding fit with the lower surface of the elastic mudguard 6; the during operation, when arc swing board 34 drives arc scraper 35 and moves towards swing groove 311 inside wall, the elasticity fender 6 that is stretched this moment can contract under self elasticity, and can drive a small amount of earth of lower surface adhesion and move towards elasticity scraper blade 7 position when elasticity fender 6 contracts, elasticity scraper blade 7 can strike off the earth of elasticity fender 6 surface adhesion this moment, prevent that the earth of elasticity fender 6 surface adhesion is too much, and can not normally contract.
As an embodiment of the invention, the clamping mechanism 8 includes a supporting ring 81, the lower surface of the supporting ring 81 is connected with a plurality of groups of symmetrical supporting connecting rods 82 in an array manner, the lower surface of each group of symmetrical supporting connecting rods 82 is connected with a fixing block 83, the lower surface of each fixing block 83 is connected with an L-shaped connecting block 84, a clamping block 85 is mounted on the corresponding side surface of each L-shaped connecting block 84, the upper surface of the pile pulling seat 1 is provided with a plurality of clamping cylinders 86, and the end surfaces of piston rods of the clamping cylinders 86 are connected to the lower surface of the supporting ring 81; during operation, after the pile pulling seat 1 is hoisted to the outer side of the tubular pile, the clamping blocks 85 can clamp and fix the tubular pile under the matching of the L-shaped connecting block 84, the fixing block 83, the supporting connecting rod 82, the supporting ring 81 and the clamping oil cylinder 86, and then the tubular pile is pulled out by the jacking oil cylinder 2 conveniently.
As an embodiment of the present invention, a supporting base 9 is disposed right below the pile pulling seat 1, and a piston rod of the jacking cylinder 2 is connected to an upper surface of the supporting base 9.
The working principle is as follows: after the pile extractor hoists the position of the tubular pile, the pile extracting base 1 can be sleeved outside the tubular pile at the moment, a plurality of clamping blocks 85 are arranged on an L-shaped connecting block 84, a fixing block 83, a supporting connecting rod 82, a supporting ring 81 and a clamping cylinder 86 are matched, clamping and fixing of the tubular pile can be realized, a worker controls a jacking cylinder 2 to work through a control system, a piston rod of the jacking cylinder 2 can drive the tubular pile clamped by a clamping mechanism 8 to be upwards extracted from soil, after the piston rod of the jacking cylinder 2 extends out to the maximum stroke, the clamping mechanism 8 breaks away from clamping of the tubular pile at the moment, then the piston rod of the jacking cylinder 2 contracts, at the moment, the piston rod of a symmetrical hydraulic push rod 32 needs to be controlled to extend out first, so that the symmetrical arc-shaped base 31 moves towards the surface of the tubular pile, further the arc-shaped symmetrical arc-shaped scraper 35 can be close to the outer side of the tubular pile, then the piston rods of a plurality of hydraulic push rods 32 inside a swinging groove 311 are controlled to extend out, so that the plurality of piston rods can push the arc-shaped swinging plate 34 to obliquely attach to the surface of the tubular pile, further, then the arc-shaped scraper 35 can be attached to the surface of the tubular pile, and then the tubular pile can be attached to the surface of the tubular pile can be removed from the tubular pile when the tubular pile after the clamping mechanism 8 breaks away from the tubular pile, and the tubular pile, and the tubular pile.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a be suitable for civil engineering concrete pile clearing machine, is equipped with jacking cylinder (2) including pulling out stake seat (1), jacking cylinder (2) and clamping mechanism (8), pulls out both sides on stake seat (1), it is equipped with clamping mechanism (8) to pull out stake seat (1) top, and clamping mechanism (8) are used for the centre gripping tubular pile, jacking cylinder (2) are used for controlling clamping mechanism (8) vertical removal, are convenient for extract the tubular pile, its characterized in that, the below of pulling out stake seat (1) is provided with strikes off mechanism (3), and strikes off mechanism (3) cover and establish in the outside of tubular pile, strike off mechanism (3) and be used for clearing up the earth of the tubular pile surface adhesion of pulling out.
2. A concrete pile removing machine suitable for civil engineering according to claim 1, characterized in that: strike off mechanism (3) and include arc seat (31), the symmetry arc seat (31) are connected to jacking hydro-cylinder (2) side of symmetry respectively through hydraulic push rod (32) of symmetry, the symmetry arc seat (31) cup joint in the both sides of tubular pile, and the medial surface of the arc seat (31) of symmetry has seted up swing groove (311), it is provided with arc swing plate (34) to rotate through arc axostylus axostyle (33) in swing groove (311), the lower terminal surface of arc swing plate (34) is provided with arc scraper (35), the symmetry the inside wall below of swing groove (311) is provided with a plurality of hydraulic push rod (32), and the telescopic link terminal surface of hydraulic push rod (32) is connected with the side of arc swing plate (34), the symmetry the arc scraper blade swings the laminating to the tubular pile outside under the promotion of hydraulic push rod (32) in swing groove (311) for the earth of drawing out the adhesion of tubular pile surface is cleared up.
3. A concrete pile removing machine suitable for civil engineering according to claim 2, characterized in that: an arc-shaped elastic plate (4) is arranged between the inner lower portion of the swing groove (311) and the arc-shaped swing plate (34), a hidden cavity (41) is formed in the arc-shaped elastic plate (4), a plurality of hydraulic push rods (32) located in the swing groove (311) are installed in the hidden cavity (41), and a hard plate (5) is arranged on the side cavity wall where the hidden cavity (41) is attached to the arc-shaped swing plate (34).
4. A concrete pile removing machine suitable for civil engineering works according to claim 3, characterized in that: an elastic mudguard (6) is obliquely arranged below the arc-shaped elastic plate (4), one end side face of the elastic mudguard (6) is connected with the arc-shaped scraper (35), and the other side face of the elastic mudguard (6) is connected to the lower side of the swinging groove (311).
5. A concrete pile removing machine suitable for civil engineering works according to claim 4, characterized in that: an elastic scraper (7) is fixedly arranged on the lower groove wall of the swinging groove (311), and the side face, close to the arc-shaped scraper (35), of the elastic scraper (7) is attached to the lower surface of the elastic mudguard (6) in a sliding mode.
6. A concrete pile removing machine suitable for civil engineering according to claim 1, characterized in that: clamping mechanism (8) are including supporting ring (81), the lower surface array of supporting ring (81) is connected with support connecting rod (82) of multiunit symmetry, and support connecting rod (82) lower surface of every group symmetry all is connected with fixed block (83), every the lower surface of fixed block (83) is connected with L type connecting block (84), and the corresponding side of every L type connecting block (84) all installs and press from both sides tight piece (85), the upper surface of pulling out stake seat (1) is provided with a plurality of tight hydro-cylinders (86) of clamp, and the piston rod terminal surface that presss from both sides tight hydro-cylinder (86) is connected to the lower surface that supports ring (81).
7. A concrete pile removing machine suitable for civil engineering according to claim 1, characterized in that: a supporting base (9) is arranged right below the pile pulling seat (1), and the upper surface of the supporting base (9) is connected with a piston rod of the jacking oil cylinder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211371731.8A CN115613575A (en) | 2022-11-03 | 2022-11-03 | Be suitable for civil engineering concrete pile scavenging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211371731.8A CN115613575A (en) | 2022-11-03 | 2022-11-03 | Be suitable for civil engineering concrete pile scavenging machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115613575A true CN115613575A (en) | 2023-01-17 |
Family
ID=84876112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211371731.8A Withdrawn CN115613575A (en) | 2022-11-03 | 2022-11-03 | Be suitable for civil engineering concrete pile scavenging machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115613575A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117702747A (en) * | 2024-02-04 | 2024-03-15 | 广州市海珠工程建设有限公司 | Pile extractor of anti-drop pile for constructional engineering |
-
2022
- 2022-11-03 CN CN202211371731.8A patent/CN115613575A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117702747A (en) * | 2024-02-04 | 2024-03-15 | 广州市海珠工程建设有限公司 | Pile extractor of anti-drop pile for constructional engineering |
| CN117702747B (en) * | 2024-02-04 | 2024-04-05 | 广州市海珠工程建设有限公司 | Pile extractor of anti-drop pile for constructional engineering |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20230117 |
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| WW01 | Invention patent application withdrawn after publication |