CN114000506A - Pile feeding hoisting method and hoisting tool of pile pressing machine - Google Patents
Pile feeding hoisting method and hoisting tool of pile pressing machine Download PDFInfo
- Publication number
- CN114000506A CN114000506A CN202111425845.1A CN202111425845A CN114000506A CN 114000506 A CN114000506 A CN 114000506A CN 202111425845 A CN202111425845 A CN 202111425845A CN 114000506 A CN114000506 A CN 114000506A
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- pile
- hoisting
- precast pile
- fixedly connected
- tool
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- 238000003825 pressing Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000004140 cleaning Methods 0.000 claims abstract description 29
- 238000010276 construction Methods 0.000 claims abstract description 8
- 230000000087 stabilizing effect Effects 0.000 claims description 10
- 239000010720 hydraulic oil Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 238000005056 compaction Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 4
- 238000002791 soaking Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/20—Placing by pressure or pulling power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/044—Cleaning involving contact with liquid using agitated containers in which the liquid and articles or material are placed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
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- Engineering & Computer Science (AREA)
- Structural Engineering (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)
- Mechanical Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention belongs to the field of hoisting tools, in particular to a pile feeding hoisting method and a hoisting tool for a pile pressing machine, aiming at the problems that the existing hoisting mode of a precast pile is relatively complicated, the precast pile is inconvenient to hoist and fix, and the stability after fixing is poor, the following scheme is proposed, wherein the pile feeding hoisting method for the pile pressing machine comprises the following steps: s1: and (3) precast pile transportation: transporting the fabricated precast pile to a construction site, and then unloading the precast pile from a transport vehicle; s2: cleaning a hoisting position: checking the hoisting position of the precast pile, and removing the bulge at the position where the bulge is found; s3: fixing the precast pile: compressing and fixing the precast pile by a hoisting tool; s4: hoisting the precast pile: and moving the fixed precast pile to a specified place through a truck crane. The precast pile hoisting method is relatively simple, the precast pile is conveniently hoisted and fixed, and the stability after fixing is good.
Description
Technical Field
The invention relates to the technical field of hoisting tools, in particular to a pile feeding hoisting method and a hoisting tool for a pile pressing machine.
Background
At present, most buildings need to process foundations to meet the requirement of bearing capacity, and pile foundations are widely applied to buildings. When the geological conditions meet the requirements, in order to accelerate the construction progress, the prefabricated piles manufactured in batches in advance are generally implanted into the ground to complete the construction requirements of the pile foundation of the building. The prefabricated pile is implanted into underground pile by using pile driver, and the pile feeding operation is especially important in the implantation process.
Through retrieval, the application publication number is CN110065884A discloses a pile feeding hoisting method and a hoisting tool for a pile pressing machine. The pile feeding and hoisting method of the pile pressing machine comprises the following steps: a. manufacturing a hoisting tool according to the size and the shape of the precast pile; b. conveying the fabricated precast pile to a construction site; c. selecting a first automobile crane, and sleeving a hoisting tool on the prefabricated pile from the upper end of the prefabricated pile by using the first automobile crane in cooperation with manual work; d. selecting a second automobile crane, wherein two lifting hooks which are arranged separately are connected to a lifting rope on the second automobile crane, the two lifting hooks on the second automobile crane are connected in lifting holes in a clamping plate of a lifting frame in a penetrating manner, and the lifting rope is tensioned to enable one end, facing the interior of the lifting frame, of the clamping plate to abut against a precast pile; e. and operating the two car cranes to lift the precast pile and move the precast pile above a fixed port of a pile driving machine, righting the precast pile by using the car cranes and matching with manpower, then starting a pile clamping tool on the pile pressing machine to clamp the precast pile, loosening a lifting rope of the crane, and detaching a lifting hook on a clamping plate of the lifting frame so as to perform subsequent pile planting operation.
However, the hoisting method of the precast pile is relatively complex, the precast pile is inconvenient to hoist and fix, and the stability after fixing is poor, so that the pile feeding hoisting method and the hoisting tool of the pile press are provided for solving the problems.
Disclosure of Invention
The invention aims to solve the defects that the hoisting mode of a precast pile is relatively complex, the precast pile is inconvenient to hoist and fix and the stability after fixing is poor in the prior art, and provides a pile feeding hoisting method and a hoisting tool for a pile press.
In order to achieve the purpose, the invention adopts the following technical scheme:
a pile feeding and hoisting method of a pile pressing machine comprises the following steps:
s1: and (3) precast pile transportation: transporting the fabricated precast pile to a construction site, and then unloading the precast pile from a transport vehicle;
s2: cleaning a hoisting position: checking the hoisting position of the precast pile, and removing the bulge at the position where the bulge is found;
s3: fixing the precast pile: compressing and fixing the precast pile by a hoisting tool;
s4: hoisting the precast pile: moving the fixed precast pile to a specified place through a truck crane;
s5: releasing fixation: releasing the compaction and fixation of the precast pile through a hoisting tool;
s6: cleaning a hoisting tool: putting the hoisting tool into a cleaning box for cleaning;
s7: maintenance of a hoisting tool: the hoisting tool is maintained regularly.
Preferably, in S2, after the protrusion is removed, the removed portion needs to be polished.
Preferably, in the step S6, a proper amount of cleaning solution is added into the cleaning tank, the temperature of the water in the cleaning tank is set to be 35-50 ℃, and the soaking time is set to be 20-30 min.
Preferably, in S7, the hoisting tool is maintained every 7 to 14 days.
A pile feeding lifting tool of a pile pressing machine comprises a lifting plate, wherein two stable groove bodies are formed in the bottom of the lifting plate, a first stable support is fixedly connected to the inner wall of each stable groove body, a moving block is slidably sleeved on the outer side of the first stable support, a pressing block is fixedly connected to the bottom of the moving block, an arc-shaped hole is formed in the top of the pressing block, a driving motor is fixedly connected to one side of the lifting plate, a driving shaft is fixedly connected to an output shaft of the driving motor, two external threads are formed in the outer side of the driving shaft, a screw hole is formed in the moving block, the external threads on the driving shaft are in threaded connection with the screw hole, an assembly part is fixedly connected to the bottom of the lifting plate, two cavities are formed in the assembly part, a driving block is fixedly connected to one side, close to each other, of the two moving blocks, a U-shaped hole is formed in the inner wall of each cavity, and the driving block is installed in the U-shaped hole in a sliding and sealing mode, the U-shaped hole is internally provided with a driven block in a sliding sealing mode, one side of the driven block is fixedly connected with a linkage piece, the bottom of the linkage piece is fixedly connected with an arc-shaped piece, and the top of the hanging plate is fixedly connected with a hanging rope.
Preferably, the two external threads on the drive shaft are oppositely threaded.
Preferably, the inner wall of the bottom of the cavity is provided with a stable hole, the inner wall of the stable hole is fixedly connected with a second stable support, and the outer side of the second stable support is sleeved with the linkage piece in a sliding manner.
Preferably, the U-shaped hole is filled with hydraulic oil between the driving block and the driven block.
The invention has the beneficial effects that:
(1) according to the pile feeding and hoisting method for the pile pressing machine, the hoisting position is cleaned, namely the bulge of the precast pile is removed, so that the precast pile can be conveniently fixed in the follow-up process, and then the precast pile is hoisted after being fixed, so that the hoisting mode is simple and convenient, after the hoisting is finished, a hoisting tool can be cleaned and maintained, and the service life of the hoisting tool is prolonged;
(2) according to the pile feeding lifting tool of the pile pressing machine, the driving shaft can be rotated by starting the motor, namely the two moving blocks can move oppositely, the outer sides of the precast pile can be abutted tightly through the two arc-shaped holes, the two driven blocks can move towards the direction away from each other through the arranged driving block and the hydraulic oil, the two arc-shaped pieces can move towards the direction away from each other, the inner sides of the precast pile can be abutted tightly through the two arc-shaped pieces, and the stability of the fixed precast pile is effectively improved.
Drawings
Fig. 1 is a schematic structural view of a pile feeding lifting tool of a pile pressing machine provided by the invention;
fig. 2 is a schematic sectional structure view of a pile feeding lifting tool of a pile driver according to the present invention;
FIG. 3 is a schematic structural view of portion A of FIG. 2;
fig. 4 is a schematic structural view of a portion B in fig. 2.
In the figure: 1. a hanger plate; 2. stably supporting one; 3. a moving block; 4. a compression block; 5. an arc-shaped hole; 6. a drive motor; 7. a drive shaft; 8. an assembly member; 9. an active block; 10. a U-shaped hole; 11. a driven block; 12. a second support is stabilized; 13. a linkage member; 14. an arcuate member; 15. a lifting rope.
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.
Example one
Referring to fig. 1-4, a pile feeding and hoisting method of a pile pressing machine comprises the following steps:
s1: and (3) precast pile transportation: transporting the fabricated precast pile to a construction site, and then unloading the precast pile from a transport vehicle;
s2: cleaning a hoisting position: checking the hoisting position of the precast pile, and removing the bulge at the position where the bulge is found;
s3: fixing the precast pile: compressing and fixing the precast pile by a hoisting tool;
s4: hoisting the precast pile: moving the fixed precast pile to a specified place through a truck crane;
s5: releasing fixation: releasing the compaction and fixation of the precast pile through a hoisting tool;
s6: cleaning a hoisting tool: putting the hoisting tool into a cleaning box for cleaning;
s7: maintenance of a hoisting tool: the hoisting tool is maintained regularly.
In the present invention, in S2, after the projection is removed, the removed portion needs to be polished.
In the invention, in S6, a proper amount of cleaning solution is added into the cleaning box, the water temperature in the cleaning box is set to be 35 ℃, and the soaking time is set to be 20 min.
In the present invention, in S7, the hoisting tool is maintained every 7 days.
A pile feeding lifting tool of a pile pressing machine comprises a lifting plate 1, wherein two stable groove bodies are formed in the bottom of the lifting plate 1, a stable support I2 is fixedly connected to the inner wall of each stable groove body, a movable block 3 is slidably sleeved outside the stable support I2, a pressing block 4 is fixedly connected to the bottom of the movable block 3, an arc-shaped hole 5 is formed in the top of the pressing block 4, a driving motor 6 is fixedly connected to one side of the lifting plate 1, a driving shaft 7 is fixedly connected to an output shaft of the driving motor 6, two external threads are formed in the outer side of the driving shaft 7, a screw hole is formed in the movable block 3, the external threads on the driving shaft 7 are in threaded connection with the screw hole, an assembly part 8 is fixedly connected to the bottom of the lifting plate 1, two cavities are formed in the assembly part 8, a driving block 9 is fixedly connected to one side, which the two movable blocks 3 are close to each other, a U-shaped hole 10 is formed in the inner wall of each cavity, and the driving block 9 is slidably and hermetically installed in the U-shaped hole 10, a driven block 11 is installed in the U-shaped hole 10 in a sliding sealing mode, a linkage piece 13 is fixedly connected to one side of the driven block 11, an arc-shaped piece 14 is fixedly connected to the bottom of the linkage piece 13, and a lifting rope 15 is fixedly connected to the top of the lifting plate 1.
In the present invention, the two external threads on the drive shaft 7 are oppositely threaded.
In the invention, the inner wall of the bottom of the cavity is provided with the stabilizing hole, the inner wall of the stabilizing hole is fixedly connected with the stabilizing support II 12, and the linkage piece 13 is sleeved outside the stabilizing support II 12 in a sliding manner, so that the stability of the linkage piece 13 during movement is improved.
In the invention, the U-shaped hole 10 is filled with hydraulic oil between the driving block 9 and the driven block 11, and the driven block 11 can move left through the arranged hydraulic oil when the driving block 9 moves right.
Example two
Referring to fig. 1-4, a pile feeding and hoisting method of a pile pressing machine comprises the following steps:
s1: and (3) precast pile transportation: transporting the fabricated precast pile to a construction site, and then unloading the precast pile from a transport vehicle;
s2: cleaning a hoisting position: checking the hoisting position of the precast pile, and removing the bulge at the position where the bulge is found;
s3: fixing the precast pile: compressing and fixing the precast pile by a hoisting tool;
s4: hoisting the precast pile: moving the fixed precast pile to a specified place through a truck crane;
s5: releasing fixation: releasing the compaction and fixation of the precast pile through a hoisting tool;
s6: cleaning a hoisting tool: putting the hoisting tool into a cleaning box for cleaning;
s7: maintenance of a hoisting tool: the hoisting tool is maintained regularly.
In the present invention, in S2, after the projection is removed, the removed portion needs to be polished.
In the invention, in S6, a proper amount of cleaning solution is added into the cleaning tank, the water temperature in the cleaning tank is set to be 50 ℃, and the soaking time is set to be 30 min.
In the present invention, in S7, the hoisting tool is maintained every 14 days.
A pile feeding lifting tool of a pile pressing machine comprises a lifting plate 1, wherein two stable groove bodies are formed in the bottom of the lifting plate 1, a stable support I2 is fixedly connected to the inner wall of each stable groove body, a movable block 3 is slidably sleeved outside the stable support I2, a pressing block 4 is fixedly connected to the bottom of the movable block 3, an arc-shaped hole 5 is formed in the top of the pressing block 4, a driving motor 6 is fixedly connected to one side of the lifting plate 1, a driving shaft 7 is fixedly connected to an output shaft of the driving motor 6, two external threads are formed in the outer side of the driving shaft 7, a screw hole is formed in the movable block 3, the external threads on the driving shaft 7 are in threaded connection with the screw hole, an assembly part 8 is fixedly connected to the bottom of the lifting plate 1, two cavities are formed in the assembly part 8, a driving block 9 is fixedly connected to one side, which the two movable blocks 3 are close to each other, a U-shaped hole 10 is formed in the inner wall of each cavity, and the driving block 9 is slidably and hermetically installed in the U-shaped hole 10, a driven block 11 is installed in the U-shaped hole 10 in a sliding sealing mode, a linkage piece 13 is fixedly connected to one side of the driven block 11, an arc-shaped piece 14 is fixedly connected to the bottom of the linkage piece 13, and a lifting rope 15 is fixedly connected to the top of the lifting plate 1.
In the present invention, the two external threads on the drive shaft 7 are oppositely threaded.
In the invention, the inner wall of the bottom of the cavity is provided with the stabilizing hole, the inner wall of the stabilizing hole is fixedly connected with the stabilizing support II 12, and the linkage piece 13 is sleeved outside the stabilizing support II 12 in a sliding manner, so that the stability of the linkage piece 13 during movement is improved.
In the invention, the U-shaped hole 10 is filled with hydraulic oil between the driving block 9 and the driven block 11, and the driven block 11 can move left through the arranged hydraulic oil when the driving block 9 moves right.
When the lifting device is used, the lifting device is moved to a specified place, so that a precast pile is located between two pressing blocks 4, then the driving motor 6 is started, an output shaft of the driving motor 6 drives the driving shaft 7 to rotate, external threads on the driving shaft 7 are in threaded connection with the screw holes, the moving block 3 is driven to move, the moving block 3 drives the pressing blocks 4 to move, the pressing blocks 4 drive the arc-shaped holes 5 to move, so that the two arc-shaped holes 5 press and fix the outer side of the precast pile, the moving block 3 simultaneously drives the driving block 9 to move, the driving block 9 drives the driven block 11 to move through hydraulic oil, the driven block 11 drives the linkage piece 13 to move, the linkage piece 13 drives the arc-shaped piece 14 to move, the arc-shaped piece 14 abuts against and fixes the inner side of the precast pile, and the stability of the precast pile after being fixed is effectively improved.
Through embodiment one and embodiment two after the hoist and mount is accomplished wash lifting device, through the actual record inquiry, the effect after embodiment two pairs of lifting device washs is better to also conveniently maintain lifting device, and then can guarantee lifting device to the stability after the precast pile hoist and mount.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A pile feeding and hoisting method of a pile pressing machine is characterized by comprising the following steps:
s1: and (3) precast pile transportation: transporting the fabricated precast pile to a construction site, and then unloading the precast pile from a transport vehicle;
s2: cleaning a hoisting position: checking the hoisting position of the precast pile, and removing the bulge at the position where the bulge is found;
s3: fixing the precast pile: compressing and fixing the precast pile by a hoisting tool;
s4: hoisting the precast pile: moving the fixed precast pile to a specified place through a truck crane;
s5: releasing fixation: releasing the compaction and fixation of the precast pile through a hoisting tool;
s6: cleaning a hoisting tool: putting the hoisting tool into a cleaning box for cleaning;
s7: maintenance of a hoisting tool: the hoisting tool is maintained regularly.
2. The pile feeding and hoisting method for the pile driver according to claim 1, wherein in the step S2, after the protrusion is removed, the removed portion needs to be ground.
3. The pile feeding and hoisting method of the pile pressing machine according to claim 1, wherein in the step S6, a proper amount of cleaning solution is added into the cleaning tank, the temperature of the water in the cleaning tank is set to be 35-50 ℃, and the soaking time is set to be 20-30 min.
4. The pile feeding and hoisting method for the pile driver as claimed in claim 1, wherein in the step S7, the hoisting tool is maintained every 7-14 days.
5. The pile feeding hoisting tool of the pile pressing machine is characterized by comprising a hoisting plate (1), wherein two stable groove bodies are formed in the bottom of the hoisting plate (1), a first stabilizing support (2) is fixedly connected to the inner wall of each stable groove body, a movable block (3) is slidably sleeved on the outer side of the first stabilizing support (2), a pressing block (4) is fixedly connected to the bottom of the movable block (3), an arc-shaped hole (5) is formed in the top of the pressing block (4), a driving motor (6) is fixedly connected to one side of the hoisting plate (1), a driving shaft (7) is fixedly connected to an output shaft of the driving motor (6), two external threads are formed in the outer side of the driving shaft (7), a screw hole is formed in the movable block (3), the external threads on the driving shaft (7) are connected with the screw hole threads, and an assembly part (8) is fixedly connected to the bottom of the hoisting plate (1), the assembly part is characterized in that two cavities are formed in the assembly part (8), one sides, close to each other, of the two moving blocks (3) are fixedly connected with driving blocks (9), U-shaped holes (10) are formed in the inner wall of the cavities, the driving blocks (9) are installed in the U-shaped holes (10) in a sliding and sealing mode, driven blocks (11) are installed in the U-shaped holes (10) in the sliding and sealing mode, a linkage part (13) is fixedly connected to one side of each driven block (11), the bottom of each linkage part (13) is fixedly connected with an arc part (14), and the top of the hanger plate (1) is fixedly connected with a hanger rope (15).
6. A pile feeding lifting tool for a pile driver according to claim 5, characterized in that the two external threads on the driving shaft (7) are oppositely threaded.
7. The pile feeding and hoisting tool of the pile pressing machine as claimed in claim 5, wherein the inner wall of the bottom of the cavity is provided with a stable hole, the inner wall of the stable hole is fixedly connected with a second stable support (12), and the linkage member (13) is slidably sleeved outside the second stable support (12).
8. The pile feeding and hoisting tool of the pile pressing machine as claimed in claim 5, wherein the U-shaped hole (10) is filled with hydraulic oil between the driving block (9) and the driven block (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111425845.1A CN114000506B (en) | 2021-11-27 | 2021-11-27 | Pile feeding and lifting method and lifting tool for pile pressing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111425845.1A CN114000506B (en) | 2021-11-27 | 2021-11-27 | Pile feeding and lifting method and lifting tool for pile pressing machine |
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| CN114000506A true CN114000506A (en) | 2022-02-01 |
| CN114000506B CN114000506B (en) | 2023-07-04 |
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| CN109226867A (en) * | 2018-10-18 | 2019-01-18 | 淮北市腾威机械设备有限公司 | Cutting machine is used in a kind of processing of constructional engineering machinery |
| JP6731507B1 (en) * | 2019-03-04 | 2020-07-29 | 有限会社熊谷工業 | Pile press-fitting machine and pile press-fitting method |
| CN110065884A (en) * | 2019-05-08 | 2019-07-30 | 中国二十冶集团有限公司 | A kind of pile press machine hello stake hanging method and lifting device |
| WO2021165314A1 (en) * | 2020-02-19 | 2021-08-26 | Itrec B.V. | Hands off monopile hoisting tool |
| CN111847289A (en) * | 2020-07-16 | 2020-10-30 | 曹银花 | Intelligent installation and construction equipment and process for water conservancy construction pipe pile |
| CN213537017U (en) * | 2020-09-17 | 2021-06-25 | 贾冬梅 | Building concrete tubular pile is with transferring shipping unit |
| CN214217909U (en) * | 2021-01-21 | 2021-09-17 | 陕西筑恒泰管桩有限公司 | Tubular pile hoist |
| CN113023546A (en) * | 2021-03-24 | 2021-06-25 | 凡天建筑科技有限公司 | Precast pile hanging device and method |
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| CN114000506B (en) | 2023-07-04 |
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