CN113338286A - Pile foundation safety device for building engineering - Google Patents

Pile foundation safety device for building engineering Download PDF

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Publication number
CN113338286A
CN113338286A CN202110601402.7A CN202110601402A CN113338286A CN 113338286 A CN113338286 A CN 113338286A CN 202110601402 A CN202110601402 A CN 202110601402A CN 113338286 A CN113338286 A CN 113338286A
Authority
CN
China
Prior art keywords
ring
rotating shaft
groove
supporting
sliding
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.)
Pending
Application number
CN202110601402.7A
Other languages
Chinese (zh)
Inventor
张君明
刘礼春
林柏仁
徐洋钧
丁志明
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.)
Nantong Keda Building Materials Co ltd
Huaxinjian Industrial Group Co ltd
Original Assignee
Nantong Keda Building Materials Co ltd
Huaxinjian Industrial Group Co ltd
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Publication date
Application filed by Nantong Keda Building Materials Co ltd, Huaxinjian Industrial Group Co ltd filed Critical Nantong Keda Building Materials Co ltd
Priority to CN202110601402.7A priority Critical patent/CN113338286A/en
Publication of CN113338286A publication Critical patent/CN113338286A/en
Pending legal-status Critical Current

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    • 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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/70—Power-operated mechanisms for wings with automatic actuation
    • E05F15/77—Power-operated mechanisms for wings with automatic actuation using wireless control
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
    • E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
    • E06B7/23—Plastic, sponge rubber, or like strips or tubes
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

The invention discloses a pile foundation safety device for building engineering, which comprises a plurality of circular rings and a plurality of supporting columns, wherein the circular rings are connected with first supporting rods, the first supporting rods are connected with second supporting rods through transmission structures, the second supporting rods are connected with supporting bodies, the spliced circular steel sheet pile is supported by the support body, the spliced circular steel sheet pile is conveniently and effectively hoisted and transported to the sea, the support columns, the circular rings, the support body and the shear frame play a role in supporting the steel sheet pile in the deep sea, the risk of bending and breaking of the steel sheet pile under the action of deep sea water pressure is reduced, the contraction of the support body does not influence the construction of the subsequent steel sheet pile, the working efficiency is greatly improved, and avoided the construction operation of people under the deep sea environment, reduced constructor's health burden, the simple and easy connection of dismantling of part structure can not influence the operating space of later stage cofferdam construction.

Description

Pile foundation safety device for building engineering
Technical Field
The invention relates to the field of bridge pile foundations, in particular to a pile foundation safety device for building engineering.
Background
Along with the improvement of comprehensive national force, more and more sea-crossing bridges are built or started up in succession, in the construction engineering of the sea-crossing bridges, bridge pile foundations are important parts of the bridges, the largest difference between the sea bridge building and the land bridge building is that water blocks obstruct the bridge building, a steel sheet pile cofferdam is the most extensive construction mode of the underwater cofferdam, and compared with cofferdams with other shapes, the circular steel sheet pile cofferdam has the characteristics of balanced stress and less material consumption, no inner support is arranged in the cofferdam, and the internal operation space is large.
In the process of assembling the circular steel sheet piles on the sea, a plurality of devices are needed, the operation is complex, the technical problems of inaccurate positioning, incapability of folding the steel sheet piles and the like are caused in the splicing process, therefore, the large-diameter circular steel sheet pile cofferdam on the sea is transported to the sea after the steel sheet piles are assembled into a barrel shape on the land, compared with the offshore construction, the land construction is easier and simpler, but the steel sheet piles are difficult to hoist in the marine transportation process after being assembled, the guide frame is welded firstly in the existing splicing process, the steel sheet piles are welded on the guide frame, the steel sheet piles are transported to the sea through the support of the guide frame, the guide frame is required to be dismantled before piling is carried out, and the round purlin support is made after piling is finished, so that the operation is complex and tedious, the manpower and material resources are consumed greatly, or the guide frame and the steel sheet pile are driven into the sea bottom together, and the steel sheet pile is damaged in the mode; and people often have the risk of sea current impact when working in deep sea, and the safety problem can be caused to people's health to too strong pressure in deep sea.
Disclosure of Invention
In view of the above circumstances, an object of the present invention is to provide a pile foundation safety device for construction engineering, which provides an operation mode for transporting a circular steel sheet pile after splicing, and facilitating subsequent demolition, does not require a person to perform construction in deep sea, reduces the safety problem of the person, has a positioning function, assists driving the steel sheet pile into the ground, improves the efficiency of construction, provides a supporting function for the steel sheet pile driven into the ground, and does not affect the operation space of cofferdam construction.
The technical scheme for solving the problem is that the pile foundation safety device for the building engineering comprises a plurality of rings which are uniformly distributed in the vertical direction and a plurality of supporting columns which are uniformly distributed along the circumferential direction of the rings, wherein any supporting column is sequentially penetrated on the rings in a sliding mode along the vertical direction, clamping mechanisms which correspond to the supporting columns one by one are arranged on the rings, and the sliding of the supporting columns on the rings is limited by the clamping mechanisms; wherein the ring at the lowest part is connected with a first supporting rod arranged along the radial direction of the ring, the first supporting rod is provided with an airtight bin, the airtight bin is rotationally connected with a first rotating shaft coaxial with the ring, a plurality of vertical blades are uniformly distributed on the circumference of the first rotating shaft, the airtight bin is provided with an impact port, and the airtight bin is provided with an airtight door for plugging the impact port; the lower part of the first rotating shaft penetrates through the airtight cabin in a sealing mode, the lower end of the first rotating shaft is rotatably connected with a ball body which rotates along the axis of the first rotating shaft, and the center of the ball body is located on the axis of the first rotating shaft; the first rotating shaft is connected with a screw pair through threads, the airtight bin is provided with a vertical limiting rod, the limiting rod vertically penetrates through the screw pair, the screw pair vertically slides on the limiting rod, the screw pair is provided with a plurality of inclined connecting rods which are uniformly distributed along the circumferential direction of the first rotating shaft, the number of the connecting rods is more than two, and the lower ends of the connecting rods are far away from the first rotating shaft relative to the upper ends of the connecting rods; the ball body is provided with a plurality of first sliding grooves, the number of the connecting rods is the same as that of the first sliding grooves, the first sliding grooves are uniformly distributed on the ball body along the circumferential direction of the first rotating shaft, the path of the first sliding grooves is arc-shaped, the circle center of the path of the first sliding grooves is concentric with the sphere center of the ball body, and the head end and the tail end of the first sliding grooves are arranged in parallel along the vertical direction; a deflection ball is arranged in the first sliding groove, the deflection ball slides in the first sliding groove, a second supporting rod is arranged on the deflection ball along the radial direction of the first rotating shaft, and the lower end of the connecting rod is hinged with the second supporting rod; one end of the second support rod, which is far away from the first rotating shaft, is connected with a support body, the path of the support body is arc-shaped, the diameter of the arc is larger than the outer diameter of the ring, and the circle center of the arc path of the support body is positioned on the axis of the first rotating shaft.
Preferably, the clamping mechanism comprises a clamping ring, a first wedge block, a first through hole and a second sliding groove, the first through hole vertically penetrates through the circular ring, the supporting column penetrates through the first through hole, the clamping ring is fixedly sleeved on the supporting column and is positioned in the first through hole, and the second sliding groove is formed in the circular ring and is communicated with the first through hole at one end close to the clamping ring; the wedge end of first wedge is close to the snap ring and places in the top of snap ring, and first wedge is kept away from between the one end of snap ring and the ring and is connected with first spring, and sealed sliding connection has the slider in the second spout, and the one end that the slider is close to the snap ring has the first magnetic path that is located the snap ring below, and the snap ring is by first wedge and first magnetic path locking.
Preferably, the upper end of the supporting column is fixedly sleeved with a ring body, and the shape and size of the ring body are the same as those of the clamping ring; one end of the first wedge-shaped block, which is far away from the clamping ring, is connected with a first piston, the first piston hermetically slides in a second sliding groove, one end of the sliding block, which is far away from the clamping ring, is connected with a second piston through a rod, and the second piston hermetically slides in the second sliding groove; a partition plate positioned between the first piston and the second piston is connected in the second sliding chute, and a second magnetic block positioned between the second piston and the partition plate is connected in the second sliding chute; a second wedge-shaped block is connected in the second sliding groove through a spring, and the first wedge-shaped block penetrates through the sliding block, the second piston and the partition plate in a sealing sliding manner; a first cavity is formed between the first piston and the partition plate in the second sliding chute, a first water inlet is formed in the ring body, the first cavity is communicated with the outside through the first water inlet, and a first automatic door for sealing the first water inlet is arranged on the ring body; a second cavity is formed between a second piston in the second sliding chute and the partition plate, a second water inlet is formed in the ring body, the second cavity is communicated with the outside through the second water inlet, and a second automatic door for sealing the second water inlet is arranged on the ring body; a third cavity is arranged between the second piston and the sliding block in the second sliding groove, a third water inlet is formed in the ring body and communicates the third cavity with the outside, and a third automatic door for sealing the third water inlet is arranged on the ring body.
Preferably, one end of the support body is provided with a first abdicating groove, the other end of the support body is provided with a second abdicating groove, the first abdicating groove is connected with a second rotating shaft, the second rotating shaft is rotatably connected with a clamping block which rotates along the axis of the second rotating shaft, and one end of the clamping block, which is close to the support column, extends out of the first abdicating groove and is arranged in a semicircular head shape; a blocking block is connected in the first abdicating groove, a second spring is connected between the extending end of the clamping block and the supporting body, and the blocking block and the second spring limit the rotation of the clamping block; the clamping block is provided with a clamping groove, the clamping groove is positioned at the part of the clamping block extending out of the first abdicating groove, and a limiting block matched with the clamping groove is connected in the second abdicating groove; the supporting body is provided with two clamping blocks, the two clamping blocks are oppositely arranged on two sides of the first rotating shaft, the supporting column is provided with an external thread, and the clamping blocks are provided with internal threads matched with the external thread; the second bracing piece deflects downwards along spheroidal centre of sphere and drives the supporter and deflect downwards, and stopper jack-up fixture block is placed in the draw-in groove, and the clamp block deflects downwards, and external screw thread and interior screw thread cooperation make the supporter fix on the support column.
Preferably, the inner wall of the circular ring is provided with two first cam grooves, the path of each first cam groove spirally rises along the axis of the circular ring, the circumferences of the two first cam grooves are uniformly distributed on the inner wall of the circular ring, the spiral rising angle of each first cam groove is not larger than the friction angle, the circular ring is provided with two first separation grooves which are in one-to-one correspondence with the two first cam grooves, and the first separation grooves are communicated with the first cam grooves; the first supporting rod is arranged in the circular ring, two ends of the first supporting rod are respectively provided with a first cam push rod, and the first cam push rods are in sliding fit with the first cam grooves; the inner wall of the support body is provided with a second cam groove which spirally rises along the axis of the first rotating shaft, the cross section of the second cam groove is T-shaped, and the spiral rising angle of the second cam groove is not larger than the friction angle; one end of the second support rod, which is far away from the first rotating shaft, is provided with a second cam push rod in sliding fit with the second cam groove, the support body is connected with the second support rod under the matching action of the second cam push rod and the second cam groove, the support body is provided with a second separation groove, and the second separation groove is communicated with the second cam groove; the deflection ball is spherical and is arranged at the upper end of the first sliding chute; the first support rod rotates along the axis of the first rotating shaft and is lifted upwards, the first support rod is separated from the circular ring, the second support rod rotates along the axis of the first rotating shaft and is lifted upwards, the second support rod is separated from the support body, and the rotating angle of the first support rod along the axis of the first rotating shaft is the same as the rotating angle of the second support rod along the axis of the first rotating shaft.
Preferably, the airtight door, the first automatic door, the second automatic door and the third automatic door are controlled to open and close through radio communication, and a scissor rack is connected between adjacent circular rings.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages;
1. at subaerial concatenation steel sheet pile's in-process, support column and ring play the effect of supporting with supplementary concatenation, and the in-process of hoist and mount transportation, the supporter provides the support to steel sheet pile, makes things convenient for the circular steel sheet pile after effectual transportation concatenation is accomplished.
2. When the cofferdam works in deep sea, the supporting columns, the circular rings, the shear holders and the supporting bodies play a supporting role in the steel sheet piles, and the risk of bending and breaking of the steel sheet piles caused by external force factors such as pressure of deep sea, impact of ocean currents and the like is reduced.
3. By means of the physical phenomenon of deep sea pressure, the impact force of seawater is utilized, the supporting body is conveniently and efficiently contracted, the construction of a follow-up steel sheet pile is not influenced, the working efficiency is greatly improved, the construction operation of people in the deep sea environment is avoided, the body burden of constructors is reduced, and the personal safety of the constructors is protected.
4. Through the cooperation use of first automatically-controlled door, second automatically-controlled door, third automatically-controlled door, improved the convenience of relieving and being connected between support column and the ring greatly for the progress of engineering improves the efficiency of engineering.
5. First bracing piece is connected with dismantling of second bracing piece to can not influence the operating space of later stage cofferdam construction, and first bracing piece is carried through the rotation with the second bracing piece and is drawn dismantlement, easy operation.
6. The supporter is connected with the support column after the shrink, also provides radial holding power to the steel sheet pile to support column and the screw-thread fit who presss from both sides tight piece, after the construction is accomplished, drive the support column through rotatory support column and shift up a little, and disturbance soil property reduces the support column and gathers the power with the cohesion of soil on every side, and supplementary later stage is pulled out the support column.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a front view of the present invention with the steel sheet piles removed.
Fig. 3 is a perspective view of the present invention.
Fig. 4 is a top view of the present invention.
Fig. 5 is a cross-sectional view a-a of fig. 4 of the present invention.
Fig. 6 is a partial enlarged view of a in fig. 5 according to the present invention.
Fig. 7 is a cross-sectional view of B-B of fig. 4 in accordance with the present invention.
Fig. 8 is a partial enlarged view of B of fig. 7 according to the present invention.
Fig. 9 is a cross-sectional view of C-C of fig. 4 in accordance with the present invention.
Fig. 10 is a partial enlarged view of C of fig. 9 according to the present invention.
Fig. 11 is a partial enlarged view of D in fig. 9 according to the present invention.
Fig. 12 is a perspective view of a partial structure of the present invention.
Fig. 13 is a partial perspective sectional view of the present invention.
Fig. 14 is a partial enlarged view of E of fig. 13 according to the present invention.
The attached drawings are marked as follows: 1-circular ring, 2-supporting column, 3-first supporting rod, 4-airtight bin, 5-first rotating shaft, 6-blade, 7-impact opening, 8-airtight door, 9-sphere, 10-screw pair, 11-limiting rod, 12-connecting rod, 13-first chute, 14-deflection ball, 15-second supporting rod, 16-supporting body, 17-steel sheet pile, 18-snap ring, 19-first wedge-shaped block, 20-first through hole, 21-second chute, 22-first spring, 23-sliding block, 24-first magnetic block, 25-circular ring body, 26-first piston, 27-second piston, 28-partition plate, 29-second magnetic block, 30-first chamber, 31-first water inlet, 32-a first automatic door, 33-a second chamber, 34-a second water inlet, 35-a second automatic door, 36-a third chamber, 37-a third water inlet, 38-a third automatic door, 39-a first abdicating groove, 40-a second abdicating groove, 41-a second rotating shaft, 42-a clamping block, 43-a blocking block, 44-a second spring, 45-a clamping groove, 46-a limiting block, 47-a clamping block, 48-an external thread, 49-an internal thread, 50-a first cam groove, 51-a first disengaging groove, 52-a first cam push rod, 53-a second cam groove, 54-a second cam push rod, 55-a second disengaging groove, 56-a scissor holder and 57-a second wedge block.
Detailed Description
The following description of the present invention will be made in further detail with reference to the accompanying drawings 1 to 14.
The pile foundation safety device for the building engineering comprises a plurality of vertical circular rings 1 and a plurality of vertical supporting columns 2, wherein the circular rings 1 are uniformly distributed in the vertical direction, the supporting columns 2 are uniformly distributed in the circumferential direction of the circular rings 1, any supporting column 2 sequentially penetrates through the circular rings 1 in a sliding mode in the vertical direction, a plurality of clamping mechanisms are uniformly distributed on the circumference of each circular ring 1, the clamping mechanisms correspond to the supporting columns 2 one by one, and the sliding of the supporting columns 2 on the circular rings 1 is limited by the clamping mechanisms; a first supporting rod 3 is connected to the circular ring 1 located at the lowest position in the circular rings 1, the first supporting rod 3 is arranged along the front-back direction, a vertical cylindrical airtight bin 4 is arranged on the first supporting rod 3, the airtight bin 4 is coaxial with the circular rings 1, a coaxial first rotating shaft 5 is rotatably connected in the airtight bin 4, a plurality of vertical blades 6 are uniformly distributed on the circumference of the first rotating shaft 5, an impact opening 7 which is transversely arranged is formed in the airtight bin 4, the opening of the impact opening 7 faces the right, and an airtight door 8 for plugging the impact opening 7 is arranged on the airtight bin 4; the lower part of the first rotating shaft 5 penetrates through the airtight cabin 4 in a sealing mode, the lower end of the first rotating shaft 5 is connected with a sphere 9 in a rotating mode, the sphere 9 rotates along the axis of the first rotating shaft 5, and the sphere center of the sphere 9 is located on the axis of the first rotating shaft 5; a vertical screw pair 10 is arranged on the first rotating shaft 5, the screw pair 10 is in screw transmission through threads on the first rotating shaft 5, a vertical limiting rod 11 is arranged on the airtight bin 4, the limiting rod 11 vertically penetrates through the screw pair 10, the lower end of the limiting rod 11 is inserted into the ball 9, the screw pair 10 vertically slides on the limiting rod 11, a plurality of inclined connecting rods 12 are arranged on the screw pair 10, the connecting rods 12 are uniformly distributed along the circumferential direction of the first rotating shaft 5, the number of the connecting rods 12 is larger than two, the lower end of each connecting rod 12 is far away from the first rotating shaft 5, and the upper end of each connecting rod 12 is close to the first rotating shaft 5; a plurality of first sliding grooves 13 are formed in the sphere 9, the number of the connecting rods 12 is the same as that of the first sliding grooves 13, the plurality of first sliding grooves 13 are uniformly distributed along the circumferential direction of the first rotating shaft 5, the first sliding grooves 13 are vertically arranged, the path of each first sliding groove 13 is in a minor arc shape, the circle center of the path of each first sliding groove 13 is concentric with the sphere center of the sphere 9, and the head end and the tail end of each first sliding groove 13 are vertically arranged in parallel; a deflection ball 14 is arranged in the first sliding chute 13, the deflection ball 14 slides in the sliding chute, the deflection ball 14 cannot be separated from the first sliding chute 13 under the limitation of the first sliding chute 13, the deflection ball 14 is positioned at the upper end of the first sliding chute 13, the upper end of the first sliding chute 13 is contacted with the ball body 9, a second support rod 15 is arranged on the deflection ball 14, the second support rod 15 is arranged along the radial direction of the first rotating shaft 5, the lower end of the connecting rod 12 is hinged with the rear part of the second support rod 15, and the connecting rod 12 moves downwards to drive the second support rod 15 to deflect downwards along the ball center of the ball body 9; one end of the second support rod 15, which is far away from the first rotating shaft 5, is connected with a support body 16, the path of the support body 16 is arc-shaped, the diameter of the arc-shaped path of the support body 16 is larger than the outer diameter of the circular ring 1, and the circle center of the arc-shaped path of the support body 16 is positioned on the axis of the first rotating shaft 5; a plurality of steel sheet piles 17 are placed on the supporting bodies 16, the steel sheet piles 17 are mutually spliced to enclose into a cylinder, and the distance between the adjacent supporting bodies 16 is smaller than the width of a single steel sheet pile 17.
Embodiment 2, on the basis of embodiment 1, the clamping mechanism includes a snap ring 18, a first wedge-shaped block 19, a first through hole 20, and a second chute 21, the first through hole 20 vertically penetrates through the ring 1, the support pillar 2 penetrates through the first through hole 20, the snap ring 18 is fixedly sleeved on the support pillar 2, the snap ring 18 is located in the first through hole 20, the diameter of the snap ring 18 is slightly smaller than that of the first through hole 20, the second chute 21 is arranged in the ring 1, and one end of the second chute 21, which is close to the snap ring 18, is communicated with the first through hole 20; one end of a first wedge-shaped block 19 is close to the clamping ring 18, the wedge-shaped end of the first wedge-shaped block 19 is close to the clamping ring 18, the first wedge-shaped block 19 is arranged above the clamping ring 18, a first spring 22 is connected between one end, far away from the clamping ring 18, of the first wedge-shaped block 19 and the circular ring 1, the first spring 22 is in a compression state, the first spring 22 gives the direction of the first wedge-shaped block 19 force to face the opening direction of the second sliding groove 21, a sliding block 23 is connected in the second sliding groove 21 in a sealing and sliding mode, a first magnetic block 24 located below the clamping ring 18 is arranged at one end, close to the clamping ring 18, of the sliding block 23, the first magnetic block 24 is adsorbed to the lower wall of the clamping ring 18, the first wedge-shaped block 19 limits the clamping ring 18 to move upwards, and the first magnetic block 24 limits the clamping ring 18 to move downwards.
Embodiment 3 is that, on the basis of embodiment 2, a ring body 25 is fixed to the upper end of the supporting column 2, the shape and size of the ring body 25 are the same as those of the snap rings 18, the distance between the ring body 25 and the uppermost snap ring 18 of the plurality of coaxial snap rings 18 is a, the distance between the adjacent coaxial snap rings 18 is B, and the value of a is the same as that of B; one end of the first wedge-shaped block 19, which is far away from the snap ring 18, is connected with a first piston 26, the first piston 26 slides in the second sliding groove 21 in a sealing manner, one end of the sliding block 23, which is far away from the snap ring 18, is connected with a second piston 27 through a rod, and the second piston 27 slides in the second sliding groove 21 in a sealing manner; a partition plate 28 is connected in the second sliding chute 21, the partition plate 28 is positioned between the first piston 26 and the second piston 27, a second magnetic block 29 is connected in the second sliding chute 21, the second magnetic block 29 is positioned between the second piston 27 and the partition plate 28, the second piston 27 moves to be in contact with the second magnetic block 29, and the second magnetic block 29 adsorbs the second piston 27 and limits the sliding of the second piston 27; a vertical second wedge block 57 is connected in the second sliding chute through a spring, and the first wedge block 19 hermetically and slidably penetrates through the sliding block 23, the second piston 27 and the partition plate 28; a first sealed cavity 30 is arranged between the first piston 26 and the partition plate 28 in the second sliding chute 21, a first water inlet 31 is formed in the ring body, the first cavity 30 is communicated with the outside through the first water inlet 31, and a first automatic door 32 for sealing the first water inlet 31 is arranged on the ring body; a sealed second chamber 33 is arranged between the second piston 27 and the partition plate 28 in the second sliding chute 21, a second water inlet 34 is formed in the ring body, the second chamber 33 is communicated with the outside through the second water inlet 34, and a second automatic door 35 for sealing the second water inlet 34 is arranged on the ring body; a sealed third chamber 36 is arranged between the second piston 27 and the sliding block 23 in the second sliding chute 21, a third water inlet 37 is formed in the ring body, the third chamber 36 is communicated with the outside through the third water inlet 37, and a third automatic door 38 for sealing the third water inlet 37 is arranged on the ring body; the attractive force of the first magnetic blocks 24 on the circular ring 1 from top to bottom is increased in sequence, the attractive force of the second magnetic blocks 29 on the circular ring 1 from top to bottom is increased in sequence, and the elastic force of the first springs 22 on the circular ring 1 from top to bottom is increased in sequence.
Embodiment 4, on the basis of embodiment 1, one end of the supporting body 16 has a first receding groove 39, an opening of the first receding groove 39 faces outward along the path direction of the supporting body 16, the other end of the supporting body 16 has a second receding groove 40, an opening of the second receding groove 40 faces outward along the path direction of the supporting body 16, a second rotating shaft 41 is connected in the first receding groove 39, a fixture block 42 is rotatably connected on the second rotating shaft 41, the fixture block 42 rotates along the axis of the second rotating shaft 41, one end of the fixture block 42 close to the supporting column 2 extends out of the first receding groove 39, and an extending end of the fixture block 42 is disposed in a semicircular head shape; a blocking block 43 is connected in the first abdicating groove 39, the blocking block 43 is positioned at one end of the clamping block 42 close to the supporting body 16 and above the clamping block 42, the lower end surface of the blocking block 43 contacts with the upper end surface of the clamping block 42, a second spring 44 is connected between the part of the clamping block 42 extending out of the first abdicating groove 39 and the supporting body 16, the second spring 44 is positioned below the clamping block 42, the connecting part of the second spring 44 and the supporting body 16 is positioned in the first abdicating groove 39, the second spring 44 is in a stretching state, the second spring 44 gives an oblique downward force to the clamping block 42, and due to the limiting effect of the blocking block 43 on the clamping block 42, the extending end of the clamping block 42 cannot deflect downwards; a vertical clamping groove 45 is formed in the clamping block 42, the opening of the clamping groove 45 faces downwards, and the clamping groove 45 is located in the part, extending out of the first avoiding groove 39, of the clamping block 42; a limiting block 46 matched with the clamping groove 45 is connected in the second abdicating groove 40; the supporting body 16 is provided with two obliquely arranged clamping blocks 47, the two clamping blocks 47 are opposite to two sides of the first rotating shaft 5, and the two clamping blocks 47 are positioned at two ends of the supporting body 16; the lower part of the supporting column 2 is provided with an external thread 48, and the clamping block 47 is provided with an internal thread 49 matched with the external thread 48; when the second support rod 15 deflects downwards along the center of the sphere 9, the second support rod 15 drives the support bodies 16 to deflect downwards, the first abdicating groove 39 and the second abdicating groove 40 on the adjacent support bodies 16 are close to each other, so that the limiting block 46 on the adjacent support bodies 16 is contacted with the extending end of the clamping block 42, the limiting block 46 jacks the clamping block 42, the extending end of the clamping block 42 deflects upwards, and the limiting block 46 is arranged in the clamping groove 45, so that the plurality of support bodies 16 are connected with each other; the clamping blocks 47 are deflected downward gradually closer to the supporting column 2, and when two clamping blocks 47 on adjacent supporting bodies 16 closest to the supporting column 2 contact each other, the external threads 48 are engaged with the internal threads 49, thereby restricting the up-and-down movement of the supporting bodies 16.
Embodiment 5, on the basis of embodiment 4, the inner wall of the ring 1 is provided with two first cam grooves 50, a path of the first cam grooves 50 spirally rises along the axis of the ring 1, the two first cam grooves 50 are circumferentially and uniformly distributed on the inner wall of the ring 1, a spiral rising angle of the first cam grooves 50 is not larger than a friction angle, the ring 1 is provided with two vertical first separation grooves 51, the two first separation grooves 51 correspond to the first cam grooves 50 one to one, the lower ends of the first separation grooves 51 are communicated with the upper ends of the first cam grooves 50, and the upper ends of the first separation grooves 51 penetrate through the upper wall of the ring 1; the first supporting rod 3 is arranged in the circular ring 1, two ends of the first supporting rod 3 are respectively provided with a first cam push rod 52, and the first cam push rod 52 is in sliding fit with the first cam groove 50; a second cam groove 53 which spirally rises along the axis of the first rotating shaft 5 is formed in the inner wall of the support body 16, the cross section of the second cam groove 53 is T-shaped, and the spiral rising angle of the second cam groove 53 is not larger than the friction angle; a second cam push rod 54 in sliding fit with the second cam groove 53 is arranged at one end, far away from the first rotating shaft 5, of the second support rod 15, the support body 16 is connected with the second support rod 15 under the matching action of the second cam push rod 54 and the second cam groove 53, a vertical second separation groove 55 is formed in the support body 16, the lower end of the second separation groove 55 is communicated with the upper end of the second cam groove 53, and the upper end of the second separation groove 55 penetrates through the upper wall of the support body 16; the deflection ball 14 is spherical, the upper end of the deflection ball 14 is pressed against the ball body 9, and the deflection of the first support rod 3 is limited by the connecting rod 12 and the ball body 9; rotating the first support rod 3 along the axis of the first rotating shaft 5, rotating the first support rod 3 to drive the first cam push rod 52 to slide, and when the first cam push rod 52 slides from the first cam groove 50 to the first disengaging groove 51, lifting the first support rod 3 upwards to disengage the first support rod 3 from the ring 1; rotating the second support rod 15 along the axis of the first rotating shaft 5, the second support rod 15 driving the second cam push rod 54 to slide, when the second cam push rod 54 slides from the second cam groove 53 to the second disengaging groove 55, pulling the second support rod 15 upwards to disengage the second support rod 15 from the support body 16; when the second support bar 15 deflects downwards, the support body 16 cannot be separated from the second support bar 15 under the cooperation of the second cam push rod 54 and the second cam groove 53, and the angle of rotation of the first support bar 3 along the axis of the first rotating shaft 5 is the same as the angle of rotation of the second support bar 15 along the axis of the first rotating shaft 5.
Embodiment 6 is based on embodiment 3, the airtight door 8, the first automatic door 32, the second automatic door 35, and the third automatic door 38 control the opening and closing of the doors through radio communication, and a scissor frame 56 is connected between adjacent rings 1.
When the device is used specifically, the steel sheet piles 17 spliced and assembled into a cylinder are sleeved on the circular ring 1, the lower ends of the steel sheet piles 17 are placed on the supporting body 16, the device and the steel sheet piles 17 are transported to the deep sea by using hoisting equipment, any one third automatic door 38 is controlled to be opened through a radio signal, seawater enters the third chamber 36, the sum of the impact force of the seawater and the pressure of the seawater is larger than the suction force of the first magnetic block 24 to the clamping ring 18, the seawater pushes the second piston 27 to move in the second sliding groove 21 towards the direction close to the second magnetic block 29, the second piston 27 drives the sliding block 23 to move, the first magnetic block 24 is separated from the clamping ring 18 due to the movement of the sliding block 23, the second piston 27 moves to be in contact with the second magnetic block 29, and the second magnetic block 29 adsorbs the second piston 27; the support column 2 corresponding to the third automatic door 38 is driven into the ground by a pile driver at the sea to a set depth, the ring body 25 at the upper end of the support column 2 enters the first through hole 20 of the uppermost ring 1 in the plurality of rings 1, the support column 2 moves downwards to drive the clamping ring 18 on the support column 2 to move downwards, so that the clamping ring 18 on the upper ring 1 moves into the first through hole 20 on the lower ring 1, the clamping ring 18 moves downwards to be in contact with the wedge surface of the first wedge block 19, the clamping ring 18 pushes the first wedge block 19 to move towards the second sliding groove 21, the clamping ring 18 stops moving after moving to the position below the second wedge block 57, and the first wedge block 19 resets under the action of the first spring 22; the opening of a second automatic door 35 corresponding to the third automatic door 38 is controlled through a radio signal, seawater enters a second chamber 33, the sum of the impact force of the seawater and the pressure of the seawater is greater than the suction force of the second magnetic block 29 to the second piston 27, the seawater pushes the second piston 27 to move in the second chute 21 in the direction away from the second magnetic block 29, the second piston 27 drives the sliding block 23 to move, the sliding block 23 moves to enable the first magnetic block 24 to re-adsorb the clamping ring 18, and the piling on one supporting column 2 is completed; the remaining support columns 2 are driven in sequence as in the above operation.
After the support column 2 is fixed on the seabed, the airtight door 8 is controlled to be opened through a radio signal, seawater enters the airtight bin 4, the seawater transverse impact blade 6 drives the first rotating shaft 5 to rotate, the first main shaft rotates to drive the screw pair 10 to move downwards, the screw pair 10 cannot rotate along the axis of the first rotating shaft 5 under the action of the limiting rod 11, the screw pair 10 moves downwards to drive the second support rod 15 to deflect downwards, the downward deflection of the second support rod 15 deflects along the spherical center of the sphere 9, the second support rod 15 drives the deflection ball 14 to slide, the second support rod 15 drives the support bodies 16 to deflect downwards, all the support bodies 16 approach to the axis of the first rotating shaft 5 and are in inward contraction trend relative to the steel sheet pile 17, the plurality of support bodies 16 approach to each other, the fixture blocks 42 and the limiting blocks 46 on the adjacent support bodies 16 approach to each other, the limiting blocks 46 contact with the hemispherical head end parts of the fixture blocks 42, the limiting block 46 jacks up the clamping block 42 and is arranged in the clamping groove 45; the clamping blocks 47 on adjacent support bodies 16 are brought closer together until the internal threads 49 on the clamping blocks 47 mate with the external threads 48 on the support column 2; when the deflection ball 14 slides downwards in the first sliding chute 13 to the lower end of the first sliding chute 13, the support body 16 is completely contracted into the cylinder surrounded by the steel sheet pile 17, so that the steel sheet pile 17 is separated from the support of the support body 16, and the piling operation of the single steel sheet pile 17 can be performed.
After the piling work of the steel sheet pile 17 is finished, rotating the first support rod 3 along the axis of the first rotating shaft 5, rotating the first support rod 3 to drive the first cam push rod 52 to slide in the first cam groove 50, and when the first cam push rod 52 slides into the first separation groove 51, lifting the first support rod 3 upwards to separate the first support rod 3 from the ring 1; the rotation of the first supporting rod 3 drives the airtight bin 4 to rotate, the airtight bin 4 rotates to drive the limiting rod 11 to rotate, so as to drive the screw pair 10 to rotate, the screw pair 10 rotates to drive the second supporting rod 15 to rotate, the second supporting rod 15 rotates to drive the second cam push rod 54 to slide in the second cam groove 53, and when the second cam push rod 54 slides into the second separation groove 55, the second supporting rod 15 is lifted upwards to separate the second supporting rod 15 from the supporting body 16; when the first cam follower 52 enters the first disengagement groove 51 when the first support lever 3 is rotated, the second cam follower 54 also enters the second disengagement groove 55.
After the cofferdam pile foundation works, after the steel sheet piles 17 are removed, before the support columns 2 are removed, the water in the second chamber 33 and the third chamber 36 is emptied, and the second automatic door 35 and the third automatic door 38 are closed; the first automatic door 32 and the third automatic door 38 on the corresponding supporting column 2 are controlled to be opened simultaneously, the first magnetic block 24 is separated from the snap ring 18, the first piston 26 is close to the second wedge block 57 under the action of seawater, the first piston 26 is in contact with the wedge surface of the second wedge block 57, the first piston 26 pushes the second wedge block 57 to move upwards, the first piston 26 drives the first wedge block 19 to move towards the first chute 13, when the first piston 26 moves to one end of the first chute 13 far away from the snap ring 18, the first piston 26 cannot reset the first wedge block 19 under the limiting action of the second wedge block 57, and therefore the connection between the supporting column 2 and the circular ring 1 is disconnected; the disconnected supporting column 2 is rotated, and the pulling-out of the supporting column 2 is facilitated under the matching action of the external thread 48 on the supporting column 2 and the internal thread 49 on the clamping block 47.
The circular steel sheet pile after splicing is conveniently and effectively hoisted and transported, the steel sheet pile is supported in deep sea, the risk of bending and breaking of the steel sheet pile is reduced, the subsequent construction of the steel sheet pile is not influenced by the contraction of the supporting body, the working efficiency is greatly improved, the construction operation of people in the deep sea environment is avoided, the body burden of constructors is reduced, the simple detachable connection of partial structures is realized, and the operation space of the later cofferdam construction is not influenced.
While the invention has been described in further detail with reference to specific embodiments thereof, it is not intended that the invention be limited to the specific embodiments thereof; for those skilled in the art to which the present invention pertains and related technologies, the extension, operation method and data replacement should fall within the protection scope of the present invention based on the technical solution of the present invention.

Claims (6)

1. The pile foundation safety device for the building engineering is characterized by comprising a plurality of vertically and uniformly distributed rings (1) and a plurality of support columns (2) uniformly distributed in the circumferential direction of the rings (1), wherein any support column (2) penetrates through the rings (1) in a sliding mode in sequence along the vertical direction, clamping mechanisms which correspond to the support columns (2) one by one are arranged on the rings (1), and the sliding of the support columns (2) on the rings (1) is limited by the clamping mechanisms; wherein the ring (1) positioned at the lowest part is connected with a first supporting rod (3) which is arranged along the radial direction of the ring (1), the first supporting rod (3) is provided with an airtight bin (4), the airtight bin (4) is rotationally connected with a first rotating shaft (5) which is coaxial with the ring (1), a plurality of vertical blades (6) are uniformly distributed on the circumference of the first rotating shaft (5), the airtight bin (4) is provided with an impact port (7), and the airtight bin (4) is provided with an airtight door (8) which blocks the impact port (7); the lower part of the first rotating shaft (5) penetrates through the airtight cabin (4) in a sealing mode, the lower end of the first rotating shaft (5) is connected with a sphere (9) which rotates along the axis of the first rotating shaft (5) in a rotating mode, and the center of the sphere (9) is located on the axis of the first rotating shaft (5); a screw pair (10) is connected to the first rotating shaft (5) through threads, a vertical limiting rod (11) is arranged on the airtight bin (4), the limiting rod (11) vertically penetrates through the screw pair (10), the screw pair (10) vertically slides on the limiting rod (11), a plurality of inclined connecting rods (12) are uniformly distributed on the screw pair (10) along the circumferential direction of the first rotating shaft (5), the number of the connecting rods (12) is more than two, and the lower ends of the connecting rods (12) are far away from the first rotating shaft (5) relative to the upper ends of the connecting rods (12); a plurality of first sliding grooves (13) are formed in the ball body (9), the number of the connecting rods (12) is the same as that of the first sliding grooves (13), the first sliding grooves (13) are uniformly distributed on the ball body (9) along the circumferential direction of the first rotating shaft (5), the path of each first sliding groove (13) is arc-shaped, the circle center of the path of each first sliding groove (13) is concentric with the sphere center of the ball body (9), and the head end and the tail end of each first sliding groove (13) are arranged in parallel along the vertical direction; a deflection ball (14) is arranged in the first sliding chute (13), the deflection ball (14) slides in the first sliding chute (13), a second supporting rod (15) arranged along the radial direction of the first rotating shaft (5) is arranged on the deflection ball (14), and the lower end of the connecting rod (12) is hinged with the second supporting rod (15); one end, far away from the first rotating shaft (5), of the second supporting rod (15) is connected with a supporting body (16), the path of the supporting body (16) is arc-shaped, the diameter of the arc is larger than the outer diameter of the circular ring (1), and the circle center of the arc path of the supporting body (16) is located on the axis of the first rotating shaft (5).
2. The pile foundation safety device for the building engineering according to claim 1, wherein the clamping mechanism comprises a clamping ring (18), a first wedge-shaped block (19), a first through hole (20) and a second sliding groove (21), the first through hole (20) vertically penetrates through the circular ring (1), the supporting column (2) penetrates through the first through hole (20), the clamping ring (18) is fixedly sleeved on the supporting column (2) and is located in the first through hole (20), and the second sliding groove (21) is formed in the circular ring (1) and one end, close to the clamping ring (18), of the second sliding groove is communicated with the first through hole (20); the wedge end of first wedge (19) is close to snap ring (18) and places in the top of snap ring (18), is connected with first spring (22) between one end that snap ring (18) were kept away from in first wedge (19) and ring (1), and sealed sliding connection has slider (23) in second spout (21), and slider (23) are close to the one end of snap ring (18) and have first magnetic path (24) that are located snap ring (18) below, and snap ring (18) are by first wedge (19) and first magnetic path (24) locking.
3. The pile foundation safety device for building engineering according to claim 2, wherein the upper end of the supporting column (2) is sleeved with a ring body (25), and the shape and size of the ring body (25) are the same as those of the clamping ring (18); one end, far away from the clamping ring (18), of the first wedge-shaped block (19) is connected with a first piston (26), the first piston (26) slides in the second sliding groove (21) in a sealing mode, one end, far away from the clamping ring (18), of the sliding block (23) is connected with a second piston (27) through a rod, and the second piston (27) slides in the second sliding groove (21) in a sealing mode; a partition plate (28) positioned between the first piston (26) and the second piston (27) is connected in the second sliding chute (21), and a second magnetic block (29) positioned between the second piston (27) and the partition plate (28) is connected in the second sliding chute (21); a second wedge-shaped block (57) is connected in the second sliding groove (21) through a spring; the first wedge-shaped block (19) penetrates through the sliding block (23), the second piston (27) and the partition plate (28) in a sealing sliding manner; a first chamber (30) is arranged between the first piston (26) and the partition plate (28) in the second sliding chute (21), a first water inlet (31) is formed in the ring body, the first chamber (30) is communicated with the outside through the first water inlet (31), and a first automatic door (32) for sealing the first water inlet (31) is arranged on the ring body; a second chamber (33) is arranged between a second piston (27) in the second chute (21) and the partition plate (28), a second water inlet (34) is formed in the ring body, the second chamber (33) is communicated with the outside through the second water inlet (34), and a second automatic door (35) for sealing the second water inlet (34) is arranged on the ring body; a third cavity (36) is arranged between a second piston (27) and the sliding block (23) in the second sliding groove (21), a third water inlet (37) is formed in the ring body, the third cavity (36) is communicated with the outside through the third water inlet (37), and a third automatic door (38) for sealing the third water inlet (37) is arranged on the ring body.
4. The pile foundation safety device for the building engineering according to claim 1, wherein one end of the supporting body (16) is provided with a first abdicating groove (39), the other end of the supporting body (16) is provided with a second abdicating groove (40), a second rotating shaft (41) is connected in the first abdicating groove (39), a clamping block (42) which rotates along the axis of the second rotating shaft (41) is rotatably connected on the second rotating shaft (41), and one end of the clamping block (42) close to the supporting column (2) extends out of the first abdicating groove (39) and is arranged in a semicircular head shape; a blocking block (43) is connected in the first abdicating groove (39), a second spring (44) is connected between the extending end of the clamping block (42) and the supporting body (16), and the blocking block (43) and the second spring (44) limit the rotation of the clamping block (42); a clamping groove (45) is formed in the clamping block (42), the clamping groove (45) is located in the part, extending out of the first abdicating groove (39), of the clamping block (42), and a limiting block (46) matched with the clamping groove (45) is connected in the second abdicating groove (40); two clamping blocks (47) are arranged on the support body (16), the two clamping blocks (47) are oppositely arranged on two sides of the first rotating shaft (5), an external thread (48) is arranged on the supporting column (2), and an internal thread (49) matched with the external thread (48) is arranged on each clamping block (47); the second support rod (15) deflects downwards along the spherical center of the sphere (9) and drives the support body (16) to deflect downwards, the limiting block (46) jacks up the clamping block (42) and is arranged in the clamping groove (45), the clamping block (47) deflects downwards, and the external thread (48) is matched with the internal thread (49) so that the support body (16) is fixed on the support column (2).
5. The pile foundation safety device for the building engineering according to claim 4, wherein the inner wall of the ring (1) is provided with two first cam grooves (50), the path of the first cam grooves (50) spirally rises along the axis of the ring (1), the two first cam grooves (50) are circumferentially and uniformly distributed on the inner wall of the ring (1), the spiral rising angle of the first cam grooves (50) is not larger than the friction angle, the ring (1) is provided with two first disengaging grooves (51) which are in one-to-one correspondence with the two first cam grooves (50), and the first disengaging grooves (51) are communicated with the first cam grooves (50); the first supporting rod (3) is arranged in the circular ring (1), two ends of the first supporting rod (3) are respectively provided with a first cam push rod (52), and the first cam push rod (52) is in sliding fit with the first cam groove (50); a second cam groove (53) which spirally rises along the axis of the first rotating shaft (5) is formed in the inner wall of the support body (16), the cross section of the second cam groove (53) is T-shaped, and the spiral rising angle of the second cam groove (53) is not larger than the friction angle; one end, far away from the first rotating shaft (5), of the second supporting rod (15) is provided with a second cam push rod (54) in sliding fit with the second cam groove (53), under the matching action of the second cam push rod (54) and the second cam groove (53), the supporting body (16) is connected with the second supporting rod (15), the supporting body (16) is provided with a second disengaging groove (55), and the second disengaging groove (55) is communicated with the second cam groove (53); the deflection ball (14) is spherical, and the deflection ball (14) is arranged at the upper end of the first sliding chute (13); the supporting device is characterized in that the supporting device rotates along the axis of the first rotating shaft (5) and upwards pulls the first supporting rod (3), the first supporting rod (3) is separated from the circular ring (1), the supporting device rotates along the axis of the first rotating shaft (5) and upwards pulls the second supporting rod (15), the second supporting rod (15) is separated from the supporting body (16), and the rotating angle of the first supporting rod (3) along the axis of the first rotating shaft (5) is the same as the rotating angle of the second supporting rod (15) along the axis of the first rotating shaft (5).
6. The pile foundation safety device for building engineering according to claim 1, wherein the airtight door (8), the first automatic door (32), the second automatic door (35) and the third automatic door (38) are controlled to open and close through radio communication, and a scissor rack (56) is connected between adjacent rings (1).
CN202110601402.7A 2021-05-31 2021-05-31 Pile foundation safety device for building engineering Pending CN113338286A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110601402.7A CN113338286A (en) 2021-05-31 2021-05-31 Pile foundation safety device for building engineering

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Application Number Priority Date Filing Date Title
CN202110601402.7A CN113338286A (en) 2021-05-31 2021-05-31 Pile foundation safety device for building engineering

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Country Link
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102425182A (en) * 2011-12-01 2012-04-25 中国水电顾问集团华东勘测设计研究院 Annular negative pressure foundation cofferdam and construction method thereof
CN102966116A (en) * 2011-09-01 2013-03-13 华锐风电科技(集团)股份有限公司 Pile group foundation device of offshore wind-driven generator set
CN111321726A (en) * 2020-03-25 2020-06-23 上海市机械施工集团有限公司 Enclosing device and soil remediation method
KR102141314B1 (en) * 2019-08-29 2020-08-04 김규상 Pile lifting device for overturning prevention
CN211472495U (en) * 2019-11-22 2020-09-11 湖北毅力机械有限公司 Pile pulling steel sleeve based on static pile press
CN111910631A (en) * 2020-08-20 2020-11-10 安徽祺泰建设工程有限公司 Pile foundation construction platform and pile foundation construction method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102966116A (en) * 2011-09-01 2013-03-13 华锐风电科技(集团)股份有限公司 Pile group foundation device of offshore wind-driven generator set
CN102425182A (en) * 2011-12-01 2012-04-25 中国水电顾问集团华东勘测设计研究院 Annular negative pressure foundation cofferdam and construction method thereof
KR102141314B1 (en) * 2019-08-29 2020-08-04 김규상 Pile lifting device for overturning prevention
CN211472495U (en) * 2019-11-22 2020-09-11 湖北毅力机械有限公司 Pile pulling steel sleeve based on static pile press
CN111321726A (en) * 2020-03-25 2020-06-23 上海市机械施工集团有限公司 Enclosing device and soil remediation method
CN111910631A (en) * 2020-08-20 2020-11-10 安徽祺泰建设工程有限公司 Pile foundation construction platform and pile foundation construction method

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