CN111549780B - Protective equipment for construction of super-long precast pile - Google Patents
Protective equipment for construction of super-long precast pile Download PDFInfo
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- CN111549780B CN111549780B CN202010491681.1A CN202010491681A CN111549780B CN 111549780 B CN111549780 B CN 111549780B CN 202010491681 A CN202010491681 A CN 202010491681A CN 111549780 B CN111549780 B CN 111549780B
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- precast pile
- construction
- clamp ring
- retaining wall
- bottom plate
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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
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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
- E02D13/04—Guide devices; Guide frames
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to the technical field of precast pile construction, and discloses protective equipment for construction of an ultra-long precast pile, which comprises a retaining wall and a bottom plate, wherein the retaining wall is arranged on the retaining wall; keep off the left surface bottom fixed mounting of wall and have a set of pneumatic cylinder, the upside output of pneumatic cylinder is provided with multistage hydraulic pressure board, and the left side wall lower part of pneumatic cylinder fixed mounting has the bottom plate that is the rectangle structure left, and the pile hole that runs through from top to bottom is seted up on the middle part right side of bottom plate, the equal fixed cover in every grade top of hydraulic pressure board is equipped with the round installation cover, and two symmetries are provided with two sets of semicircular structure's that mutually support clamp rings about the front side of installation cover, and the tip that the clamp ring is close to the installation cover rotates through the axis of rotation and connects on the clamp ring rotates the seat, and the medial surface fixed mounting that the clamp ring rotated the seat has the slider, and slider sliding connection is in seting up the inside spout of installation cover leading flank, and is two sets of the mutual screw-thread fit of outer tip of clamp ring installs bolt and internal thread piece. The invention has the advantages that: has good anti-hammering internal stress function and wide application range.
Description
Technical Field
The invention relates to the technical field of precast pile construction, in particular to protective equipment for construction of an overlong precast pile.
Background
The precast pile is a technically mature pile type, and has the advantages of easy guarantee of pile forming quality, capability of bearing larger load, firmness, durability and the like, so that the application quantity of the precast pile in various engineering construction fields is very large. The precast pile can be manufactured in a factory or a construction site according to the use requirement and a construction plan.
Chinese patent (publication No. CN 209194528U, published as 2019.08.02) discloses a protective device for construction of super-long precast piles, which is formed by splicing a plurality of protective standard sections and a protective bottom section, wherein each of the protective standard sections and the protective bottom section comprises a pile placing plate, a plurality of turning limiting devices are arranged on the pile placing plate, a containing cavity is formed between each turning limiting device and the pile placing plate, an auxiliary sliding device is further arranged in each pile placing plate, each protective bottom section further comprises a bottom end plate, the bottom end plates can be rotatably fixed at one ends of the pile placing plates, the plurality of protective standard sections are spliced with each other along the length direction of the pile placing plates to form an integral structure, and at least one protective standard section and the protective bottom section are spliced along the length direction of the pile placing plates to form an integral structure. This protective equipment is used for the straightness that hangs down of protection precast pile and is not crushed when rolling, but overlength precast pile generally speaking when carrying out the construction, adopts the mode of vertical hammering to impress in the ground mostly, because precast pile length is longer, when the effect of exerting force downwards from its top at first, precast pile overall stability is not enough, very easily makes the middle part of precast pile take place to damage to influence holistic quality.
Disclosure of Invention
The invention aims to provide a protective device for construction of an ultra-long precast pile, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a protective device for construction of an ultra-long precast pile comprises a retaining wall and a bottom plate; the retaining wall is of an L-shaped structure, and the straight section of the retaining wall is horizontally placed on the ground and is stabilized through four groups of foundation bolts. The fender wall set up mainly used for setting up the left super long precast pile of fender wall and prevent the effect that collapses, the left side bottom fixed mounting who keeps off the wall has a set of pneumatic cylinder, the upside output of pneumatic cylinder is provided with multistage hydraulic plate, the left side wall lower part of pneumatic cylinder fixed mounting has the bottom plate that is the rectangle structure left, the upper portion left side of bottom plate also is fixed subaerial through rag bolt, the stake hole that runs through about the middle part right side of bottom plate is seted up, the stake hole is placed promptly in the position on ground in super long precast pile. Every grade top of hydraulic pressure board all fixed cover is equipped with the round installation cover, and the length of every grade hydraulic pressure board is the same, consequently when the hydraulic pressure board all contracts to the shortest, the installation cover at hydraulic pressure board top contacts each other and stacks together. The installation sleeve is characterized in that two groups of mutually matched clamp rings in semicircular structures are symmetrically arranged on the left side and the right side of the front side of the installation sleeve, the end parts, close to the installation sleeve, of the clamp rings are rotatably connected onto a clamp ring rotating seat through rotating shafts, a sliding block is fixedly arranged on the inner side surface of the clamp ring rotating seat and is slidably connected into a sliding groove formed in the front side surface of the installation sleeve, two groups of bolts and inner thread blocks are arranged on the outer end parts of the clamp rings in a mutually threaded matching mode, and the bolts are connected into the inner thread blocks in a threaded mode, so that the two groups of clamp rings are fastened into a whole. The distance between the clamping rings is moved left and right, so that precast piles with different diameters can be clamped conveniently. Through the front side at the installation cover setting up two sets of rotatable clamp rings to when hammering the vertical of overlength precast pile downwards, utilize the clamp ring on every grade of hydraulic pressure board, alright carry out equidistant parcel with the precast pile and stabilize. The centers of the two groups of clamping rings are always positioned vertically above the pile hole, so that the precast pile which is stably clamped by the clamping rings can always pass through the pile hole.
As a further scheme of the invention: the anti-collision pads are adhered to the opposite side faces of the two groups of clamp ring rotating seats and the left end wall and the right end wall of the sliding groove and used for protecting the clamp ring rotating seats from being damaged due to collision.
As a further scheme of the invention: and the slide grooves on the outer sides of the two groups of slide blocks are provided with fastening blocks for limiting the slide blocks to slide left and right in the slide grooves.
As a further scheme of the invention: and a sliding washer for reducing the friction force between the outer surface of the precast pile and the inner side surface of the clamping ring is welded on the inner side surface of the clamping ring.
As a still further scheme of the invention: the bottom of the foundation bolt is fixedly provided with a vertical inserted rod with a conical structure, and the stability of the foundation bolt when the retaining wall and the bottom plate are fixed on the ground surface is further improved.
Compared with the prior art, the invention has the beneficial effects that: when the super-long precast pile is hammered and downwards moved, a plurality of groups of clamp rings capable of following height adjustment are arranged in the middle of the super-long precast pile, and are clamped and wrapped by the clamp rings, so that the hammering resistance internal stress of the middle part is kept improved
Strength, and stability when moving vertically, thereby preventing damage to the middle;
the two groups of clamping rings capable of moving left and right are arranged, so that the ultra-long precast piles with different diameters can be clamped and wrapped conveniently, and the application range is enlarged;
the invention has the advantages that: has good anti-hammering internal stress function and wide application range.
Drawings
Fig. 1 is a schematic perspective view of a protective device for construction of an ultra-long precast pile.
Fig. 2 is a schematic view of a connection structure of a clamp ring and a clamp ring rotating seat in a protective device for construction of an ultra-long precast pile.
Fig. 3 is a front view structural diagram of a protection device for construction of an ultra-long precast pile.
Wherein: the device comprises a retaining wall 10, foundation bolts 11, a bottom plate 12, pile holes 13, a hydraulic cylinder 14, a hydraulic plate 15, a mounting sleeve 16, a clamping ring 17, a clamping ring rotating seat 18, bolts 19, an internal thread block 20, a sliding groove 21, a sliding block 22, a fastening block 23, a sliding gasket 24 and a rotating shaft 25.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example one
Referring to fig. 1-2, a protection device for construction of an ultra-long precast pile includes a retaining wall 10, a bottom plate 12; the retaining wall 10 is of an L-shaped structure, and a straight section of the retaining wall 10 is horizontally placed on the ground and is stabilized by four groups of foundation bolts 11. The setting of retaining wall 10 mainly used prevents the effect of collapsing for setting up the left overlength precast pile of retaining wall 10, the left surface bottom fixed mounting of retaining wall 10 has a set of pneumatic cylinder 14, the upside output of pneumatic cylinder 14 is provided with multistage hydraulic pressure board 15, left side wall lower part fixed mounting of pneumatic cylinder 14 has bottom plate 12 that is the rectangle structure left, the upper portion left side of bottom plate 12 also is fixed subaerial through rag bolt 11, the stake hole 13 that runs through from top to bottom is seted up on the middle part right side of bottom plate 12, stake hole 13 places in the position on ground in overlength precast pile promptly. And a circle of mounting sleeve 16 is fixedly sleeved at the top of each stage of the hydraulic plate 15, and the length of each stage of the hydraulic plate 15 is the same, so that when the hydraulic plates 15 are all contracted to the shortest length, the mounting sleeves 16 at the tops of the hydraulic plates 15 are mutually contacted and stacked together. Two parts symmetry is provided with two sets of semicircular structure's of mutually supporting clamp ring 17 about the front side of installation cover 16, the tip that the clamp ring 17 is close to installation cover 16 rotates through axis of rotation 25 and connects on clamp ring rotation seat 18, the medial surface fixed mounting of clamp ring rotation seat 18 has slider 22, slider 22 sliding connection is in seting up the inside spout 21 of installation cover 16 leading flank, all paste the one deck crash pad on two sets of clamp ring rotation seat 18 relative sides and the left and right sides end wall of spout 21 for the protection clamp ring rotation seat 18 can not the striking damage. The slide grooves 21 on the outer sides of the two groups of slide blocks 22 are provided with fastening blocks 23 for limiting the slide blocks 22 to slide left and right in the slide grooves 21, the outer end parts of the two groups of clamping rings 17 are mutually provided with bolts 19 and internal thread blocks 20 in a threaded fit manner, and the bolts 19 are connected in the internal thread blocks 20 in a threaded manner, so that the two groups of clamping rings 17 are fastened into a whole. The distance between the clamping rings 17 is moved left and right, so that the precast piles with different diameters can be clamped conveniently. Through set up two sets of rotatable clamp rings 17 in the front side of installation cover 16 to when hammering the vertical downward of overlength precast pile, utilize the clamp ring 17 on every grade of hydraulic pressure board 15, alright carry out equidistant parcel with the precast pile stably. And a sliding gasket 24 for reducing the friction force between the outer surface of the precast pile and the inner side surface of the clamping ring 17 is welded on the inner side surface of the clamping ring 17. The centers of the two groups of clamping rings 17 are always vertically above the pile hole 13, so that the precast pile clamped and stabilized by the clamping rings 17 can always pass through the pile hole 13.
Example two
Referring to fig. 3, on the basis of the first embodiment, a vertical inserting rod with a conical structure is fixedly installed at the bottom of the anchor bolt 11, so as to further improve the stability of the anchor bolt 11 when the retaining wall 10 and the bottom plate 12 are fixed on the ground surface.
The working principle of the invention is as follows: when in use, the position of the ground corresponding to the super-long precast pile is calculated in advance, then the pile hole 13 is arranged at the position, meanwhile, the bottom plate 12 and the baffle wall 10 are also arranged at the position of the pile hole 13, then the position of the clamping ring 17 at the top of each stage of hydraulic plate 15 is adjusted according to the diameter of the precast pile to be constructed, then the super-long precast pile is vertically arranged in the pile hole 13 through a crane, then the hydraulic cylinder 14 is started to uniformly distribute the clamping ring 17 on the precast pile according to the length of the precast pile, then the clamping ring 17 is wrapped and clamped on the precast pile through the bolt 19 and the internal thread block 20, then the precast pile is hammered, the precast pile continuously moves downwards in the hammering process, and at the moment, the hydraulic cylinder 14 is controlled to adjust the hydraulic plate 15 to be lowered along with the corresponding height until the precast pile is stably inserted into the ground.
Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (5)
1. A protective device for construction of an ultra-long precast pile comprises a retaining wall (10) and a bottom plate (12); the structure of the hydraulic pressure retaining wall is characterized in that the retaining wall (10) is of an L-shaped structure, a straight section of the retaining wall (10) is horizontally placed on the ground and fixed through four groups of foundation bolts (11), a group of hydraulic cylinders (14) are fixedly installed at the bottom of the left side face of the retaining wall (10), a multi-stage hydraulic plate (15) is arranged at the output end of the upper side of each hydraulic cylinder (14), a bottom plate (12) with a rectangular structure is fixedly installed on the lower portion of the left side wall of each hydraulic cylinder (14) leftwards, the left side of the upper portion of the bottom plate (12) is also fixed on the ground through the foundation bolts (11), a pile hole (13) which penetrates through the bottom plate from top to bottom is formed in the right side of the middle portion of the bottom plate (12), a circle of installation sleeve (16) is fixedly sleeved at the top of each stage of each hydraulic plate (15), the length of each stage of each hydraulic plate (15) is the same, two groups of clamping rings (17) which are matched with each other and are in a semicircular structure are symmetrically arranged on the left and right sides of the front side of the installation sleeve (16), the end part of the clamp ring (17) close to the installation sleeve (16) is rotatably connected to the clamp ring rotating seat (18) through a rotating shaft (25), a sliding block (22) is fixedly installed on the inner side surface of the clamp ring rotating seat (18), the sliding block (22) is slidably connected to a sliding groove (21) formed in the front side surface of the installation sleeve (16), the outer end part of the clamp ring (17) is provided with a bolt (19) and an internal thread block (20) in a threaded fit mode, and the center of the clamp ring (17) is located above the pile hole (13) all the time.
2. The protection equipment for the construction of the overlength precast pile according to claim 1, wherein a layer of crash pad is adhered to the opposite side surfaces of the two groups of clamping ring rotating seats (18) and the left and right end walls of the sliding groove (21).
3. The protecting equipment for the construction of the overlength precast pile according to claim 2, characterized in that the sliding grooves (21) at the outer sides of the two sets of sliding blocks (22) are provided with fastening blocks (23) for limiting the sliding of the sliding blocks (22) in the sliding grooves (21) from side to side.
4. The protective equipment for the construction of the ultra-long precast pile as claimed in claim 3, wherein the inner side of the clamping ring (17) is welded with a slip washer (24) for reducing the friction between the outer surface of the precast pile and the inner side of the clamping ring (17).
5. The protection equipment for the construction of the ultra-long precast pile according to any one of claims 1 to 4, wherein the bottom of the anchor bolt (11) is fixedly provided with a vertical insertion rod in a conical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010491681.1A CN111549780B (en) | 2020-06-02 | 2020-06-02 | Protective equipment for construction of super-long precast pile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010491681.1A CN111549780B (en) | 2020-06-02 | 2020-06-02 | Protective equipment for construction of super-long precast pile |
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| Publication Number | Publication Date |
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| CN111549780A CN111549780A (en) | 2020-08-18 |
| CN111549780B true CN111549780B (en) | 2022-08-19 |
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| CN113356200A (en) * | 2021-04-30 | 2021-09-07 | 宁波市环湖建设有限公司 | Precast pile construction method |
| CN118621777A (en) * | 2024-08-14 | 2024-09-10 | 保利长大工程有限公司 | Precast pile construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203939028U (en) * | 2014-05-26 | 2014-11-12 | 天津港航工程有限公司 | Portable marine piling position-limited rack |
| CN204282365U (en) * | 2014-12-09 | 2015-04-22 | 江西中泰来混凝土管桩有限公司 | Pile tube locating rack |
| JP6900816B2 (en) * | 2017-07-26 | 2021-07-07 | 日本製鉄株式会社 | Foundation structure, pile head structure of steel pipe pile, and construction method of foundation structure |
| CN207228116U (en) * | 2017-09-19 | 2018-04-13 | 浙江中富建筑集团股份有限公司 | A kind of multifunctional soil pile-grafting machine static pressed pile device |
| CN107476303A (en) * | 2017-10-09 | 2017-12-15 | 李云 | A kind of construction site ringing engine |
| CN109183796B (en) * | 2018-08-29 | 2020-12-08 | 武汉船用机械有限责任公司 | Pile gripper |
| KR101952802B1 (en) * | 2018-10-25 | 2019-05-22 | 한국해양과학기술원 | Suction file Verticality correction lifting system and suction file using this system Verticality correction lifting method |
| CN109537594B (en) * | 2018-12-19 | 2020-08-28 | 南通振华重型装备制造有限公司 | Construction process of pile gripper of wind power installation platform |
| CN209523194U (en) * | 2019-01-28 | 2019-10-22 | 福州聚敏科技信息咨询有限公司 | A kind of posture correcting device of tubular pole |
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Address after: 114000 No.298 a, Anqian Road, Tiedong District, Anshan City, Liaoning Province Applicant after: Northeast Geotechnical Engineering Survey Co.,Ltd. Address before: 114000 No.298 a, Anqian Road, Tiedong District, Anshan City, Liaoning Province Applicant before: Northeast Geotechnical Engineering Exploration Corp. |
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