CN208293564U - A kind of device for overlength pile foundation large-tonnage steel muscle cage decentralization spreading - Google Patents

A kind of device for overlength pile foundation large-tonnage steel muscle cage decentralization spreading Download PDF

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Publication number
CN208293564U
CN208293564U CN201820475590.7U CN201820475590U CN208293564U CN 208293564 U CN208293564 U CN 208293564U CN 201820475590 U CN201820475590 U CN 201820475590U CN 208293564 U CN208293564 U CN 208293564U
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China
Prior art keywords
annular gantry
pile foundation
steel muscle
spreading
muscle cage
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CN201820475590.7U
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Chinese (zh)
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王宏毅
宁浩杰
黄群广
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China Railway Construction Bridge Engineering Bureau Group Co Ltd
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China Railway Construction Bridge Engineering Bureau Group Co Ltd
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Abstract

The utility model, which is created, provides a kind of device for overlength pile foundation large-tonnage steel muscle cage decentralization spreading, including annular gantry, several notches are radially provided with along the annular gantry, each notch is uniformly arranged using annular gantry center as the center of circle, and is equipped with bolt in each notch;The annular gantry includes docking the multiple fissions being fixed together by connector;Suspension centre is equipped on each fission.It is simple that the utility model creates structure, design is reasonable, it is fixed using the bolt and steel reinforcement cage that are uniformly arranged along annular gantry, increases the contact area of device and basis, realize the high-speeding being fixed temporarily in overlength pile foundation large-tonnage steel muscle cage decentralization process, summary.

Description

A kind of device for overlength pile foundation large-tonnage steel muscle cage decentralization spreading
Technical field
The invention belongs to Construction Technology field, is used for overlength pile foundation large-tonnage steel muscle cage more particularly, to one kind Transfer the device of spreading.
Background technique
In Bridge Pile Foundation Construction operation, has in steel reinforcement cage spreading decentralization process and complete the interim solid of decentralization steel reinforcement cage in hole It is fixed.In traditional type pile foundation, steel reinforcement cage lighter in weight is placed in using string thick stick transverse reinforcement cage and is temporarily disposed at around the hole On the lumps of wood.With popularizing for large bridge construction, overlength pile foundation is widely used, and pile foundation steel bar cage weight increases therewith;It adopts The construction method of steel reinforcement cage is fixed temporarily with traditional rod, or even rod weight higher to the rigidity requirement of rod exceeds people Work operational capacity range, causes effect to decline;It needs to improve aperture foundation bearing capacity simultaneously, to prevent steel reinforcement cage inclination, reduces steel Muscle cage spreading efficiency.Overlength pile foundation steel bar cage merogenesis is more, and steel reinforcement cage spreading construction effect directly restricts the decentralization speed of steel reinforcement cage Degree, and then influence the construction quality of pile foundation.
Summary of the invention
In view of this, the invention is intended to overcome above-mentioned defect existing in the prior art, propose a kind of for overlength Pile foundation large-tonnage steel reinforcement cage transfers the device of spreading, during effectively solving overlength pile foundation large-tonnage steel muscle cage decentralization spreading, hole Interior completion decentralization steel reinforcement cage is fixed temporarily difficulty, the low problem of construction effect.
In order to achieve the above objectives, the technical solution of the invention is achieved in that
A kind of device for overlength pile foundation large-tonnage steel muscle cage decentralization spreading, including annular gantry, along the annular gantry Several notches are radially provided with, each notch is uniformly arranged using annular gantry center as the center of circle, and is all provided in each notch There is bolt;The annular gantry includes docking the multiple fissions being fixed together by connector;It is equipped with and hangs on each fission Point.
Further, the suspension centre is the hanging ring being weldingly fixed in annular gantry, or is provided in annular gantry Lifting hole(eyelet).
Further, the bolt includes the shank being threaded through in notch, is set in the part that shank is on the outside of annular gantry There is adjustment part.
Further, the adjustment part is the nut for being screwed in shank and being in annular gantry lateral ends.
Further, the annular gantry is divided into 2-4 fission.
Further, the connector uses bolt.
Compared with the existing technology, the invention has the advantage that
The invention structure is simple, and design rationally, is fixed using the bolt and steel reinforcement cage that are uniformly arranged along annular gantry, Increase device and basis contact area, realize be fixed temporarily in overlength pile foundation large-tonnage steel muscle cage decentralization process it is quick Change, summary.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide to further understand the invention, present invention wound The illustrative embodiments and their description made are used to explain the present invention creation, do not constitute the improper restriction to the invention.? In attached drawing:
Fig. 1 is the structural schematic diagram of the invention;
Fig. 2 is structural schematic diagram when bolt is equipped with stabilizing member in the invention.
Description of symbols:
1- annular gantry;2- notch;3- bolt;4- connector;5- suspension centre;6- shank;7- adjustment part;8- is seperated;9- is steady Determine part.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the invention can To be combined with each other.
In the description of the invention, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the invention and simplifies description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For the limitation to the invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result, Feature can explicitly or implicitly include one or more of the features.In the description of the invention, unless separately It is described, the meaning of " plurality " is two or more.
In the description of the invention, it should be noted that unless otherwise clearly defined and limited, term " peace Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition State concrete meaning of the term in the invention.
Below with reference to embodiment come the present invention will be described in detail create.
A kind of device for overlength pile foundation large-tonnage steel muscle cage decentralization spreading, as shown in Figure 1, including annular gantry 1, edge The annular gantry is radially provided with several notches 2, and each notch 2 is uniformly arranged using annular gantry center as the center of circle, and each institute It states and is equipped with bolt 3 in notch;The annular gantry includes docking be fixed together multiple seperated 8 by connector 4;It is each Suspension centre 5 is equipped on fission 8.Each seperated common assembling constitutes annular gantry, realizes the effect of fixed steel bars cage.
General notch is uniformly arranged 6, i.e., the bolt being uniformly arranged with 6 annulars, device to hole is interior to complete decentralization reinforcing bar Cage is fixed temporarily, and fixed point is more, reduces the requirement to bolt rigidity, while bolt is made of vertical steel plate, is realized The reasonable utilization of material stiffness;The annular gantry of annular gantry increases the contact area with basis, and reducing foundation bearing capacity needs The stability that annular gantry is increased while asking, effectively prevent steel reinforcement cage to tilt.
Above-mentioned suspension centre is the hanging ring being weldingly fixed in annular gantry, or the lifting hole(eyelet) being provided in annular gantry.Benefit With hanging device, it can facilitate, smoothly sling annular gantry, also can easily sling fission when assembling annular gantry.
Above-mentioned bolt includes the shank 6 being threaded through in notch, is in the part on the outside of annular gantry in shank and is equipped with adjustment Part 7.Notch internal diameter is generally 3-5mm bigger than shank outer diameter, facilitates the adjustment of bolt, since bolt and steel reinforcement cage are not necessarily to accurately admittedly Fixed or fastening, plug pin lengths are longer, and both ends stretch out in annular gantry (when contacting the locking to steel reinforcement cage, on the inside of bolt respectively Also annular gantry inner wall can not be protruded from), therefore, when locking steel reinforcement cage, annular gantry is stretched out at bolt both ends respectively, so, Bolt can radially be adjusted without departing from notch along annular gantry.
In general, above-mentioned adjustment part can be using the adjusting nut that shank is in annular gantry lateral ends be screwed in, it can also To use other adjustment parts, as long as can be realized the adjustment to shank, the radial direction that can adjust shank along annular gantry is inserted Enter, fixed steel bars cage;Also adjustable shank releases the limit to steel reinforcement cage from steel reinforcement cage " extraction ".The present apparatus can be convenient Bolt is adjusted on the outside of annular hanger, very convenient, quick, labor intensity of workers is few, and difficulty is low.
In an optional embodiment, stablize as shown in Fig. 2, can be arranged in the inside that shank is in annular hanger Part 9 guarantees to be influenced when shank will not be because of installation by factors such as annular gantry inclinations, and is detached from notch, leads to operation difficulty It increases, or even can not occur the case where limit steel bar cage.
Specifically, stabilizing member can protrude into annular using the nut being screwed on shank by adjusting part adjustment shank When length on the inside of rack, cooperation screws stabilizing member (nut) and can ensure that shank without departing from notch, and use is reliable and stable.It needs It is noted that since using nut, as stabilizing member, when adjusting shank, only the nut need to be pulled using tools such as spanners, i.e., Shank can be adjusted by the adjustment part (such as adjusting nut) on the outside of annular hanger.
Above-mentioned annular gantry is divided into 2-4 fission.Bolt generally can be used in above-mentioned connector.Two is seperated to after just, leads to It crosses bolt to be fixedly connected, realizes docking, by each seperated entire annular gantry of composition.Particularly with large-tonnage steel reinforcement cage, very just Just it operates, annular gantry is designed using modular structure, and operation difficulty when reducing fixed large-tonnage steel reinforcement cage alleviates work People's amount of labour, improves production efficiency.
Construction procedure is as follows:
1, using lifting appliance, complete the assembling of annular gantry;
2, realize the accurate positioning of annular gantry, it is ensured that annular gantry center is overlapped with hole location center.
3, bolt is mounted in annular gantry notch, open state is at.
4, lifting steel reinforcement cage is transferred, and decentralization pushes bolt, be at closed state to temporary holding location is needed, Complete the temporary locking of steel reinforcement cage.
5, it lifts next section steel reinforcement cage and carries out spreading, after completing spreading, lift by crane whole reinforcement cage, extract bolt and be at Open state carries out steel reinforcement cage decentralization.
6, step 3-5 is repeated, steel reinforcement cage decentralization is completed.
7, after completing pile foundation concrete construction, annular gantry is disassembled, transport to next hole location.
The invention structure is simple, and design rationally, is fixed using the bolt and steel reinforcement cage that are uniformly arranged along annular gantry, Increase device and basis contact area, realize be fixed temporarily in overlength pile foundation large-tonnage steel muscle cage decentralization process it is quick Change, summary.
The foregoing is merely the preferred embodiments of the invention, are not intended to limit the invention creation, all at this Within the spirit and principle of innovation and creation, any modification, equivalent replacement, improvement and so on should be included in the invention Protection scope within.

Claims (6)

1. a kind of device for overlength pile foundation large-tonnage steel muscle cage decentralization spreading, it is characterised in that: including annular gantry, edge should Annular gantry is radially provided with several notches, and each notch is uniformly arranged using annular gantry center as the center of circle, and each slot Bolt is equipped in mouthful;The annular gantry includes docking the multiple fissions being fixed together by connector;On each fission It is equipped with suspension centre.
2. a kind of device for overlength pile foundation large-tonnage steel muscle cage decentralization spreading according to claim 1, feature exist In: the suspension centre is the hanging ring being weldingly fixed in annular gantry, or the lifting hole(eyelet) being provided in annular gantry.
3. a kind of device for overlength pile foundation large-tonnage steel muscle cage decentralization spreading according to claim 1, feature exist In: the bolt includes the shank being threaded through in notch, is in the part on the outside of annular gantry equipped with adjustment part in shank.
4. a kind of device for overlength pile foundation large-tonnage steel muscle cage decentralization spreading according to claim 3, feature exist In: the adjustment part is the nut for being screwed in shank and being in annular gantry lateral ends.
5. a kind of device for overlength pile foundation large-tonnage steel muscle cage decentralization spreading according to claim 1, feature exist In: the annular gantry is divided into 2-4 fission.
6. a kind of device for overlength pile foundation large-tonnage steel muscle cage decentralization spreading according to claim 1, feature exist In: the connector uses bolt.
CN201820475590.7U 2018-04-04 2018-04-04 A kind of device for overlength pile foundation large-tonnage steel muscle cage decentralization spreading Active CN208293564U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820475590.7U CN208293564U (en) 2018-04-04 2018-04-04 A kind of device for overlength pile foundation large-tonnage steel muscle cage decentralization spreading

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820475590.7U CN208293564U (en) 2018-04-04 2018-04-04 A kind of device for overlength pile foundation large-tonnage steel muscle cage decentralization spreading

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110485412A (en) * 2019-09-20 2019-11-22 五冶集团上海有限公司 The bracket system and its application method of pile foundation more piece steel reinforcement cage connection construction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110485412A (en) * 2019-09-20 2019-11-22 五冶集团上海有限公司 The bracket system and its application method of pile foundation more piece steel reinforcement cage connection construction
CN110485412B (en) * 2019-09-20 2022-09-02 五冶集团上海有限公司 Bracket device for pile foundation multi-section reinforcement cage connection construction and use method thereof

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