CN202466428U - Structure for hoisting sections of precast box girder - Google Patents

Structure for hoisting sections of precast box girder Download PDF

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Publication number
CN202466428U
CN202466428U CN2012200944688U CN201220094468U CN202466428U CN 202466428 U CN202466428 U CN 202466428U CN 2012200944688 U CN2012200944688 U CN 2012200944688U CN 201220094468 U CN201220094468 U CN 201220094468U CN 202466428 U CN202466428 U CN 202466428U
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CN
China
Prior art keywords
hoisting
main rope
lifting
case
suspender
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Expired - Lifetime
Application number
CN2012200944688U
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Chinese (zh)
Inventor
张发平
王波
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China 19th Metallurgical Corp
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China 19th Metallurgical Corp
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Application filed by China 19th Metallurgical Corp filed Critical China 19th Metallurgical Corp
Priority to CN2012200944688U priority Critical patent/CN202466428U/en
Application granted granted Critical
Publication of CN202466428U publication Critical patent/CN202466428U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model belongs to the technical field of manufacturing of building production equipment, discloses a hoisting structure, in particular a structure for hoisting sections of a precast box girder. By the structure, the phenomenon that the precast box girder cracks in the hoisting process can be effectively avoided. The structure comprises at least two sets of main rope sling devices, wherein each main rope sling device is arranged at each preset stress central position of the segmental precast box girder; and the stress direction of a hoisting main rope of each main rope sling device is consistent with that preset by the segmental precast box girder.

Description

The hoisting structure that is used for the prefabricated case beam segment lifting
Technical field
The utility model relates to a kind of hoisting structure, especially relates to a kind of hoisting structure that is used for the prefabricated case beam segment lifting, belongs to building production equipment manufacturing technology field.
Background technology
Prefabricated case beam is in the modern architecture, a kind of building operations mode of particularly in some large bridge buildings, usually using.This form of construction work all is first by the designing requirement prefabricated case beam usually, and then adopts lifting appliance that prefabricated profiled case beam is lifted the precalculated position, such as getting final product between adjacent two bridge piers.Prefabricated case beam lifting at present generally all adopts wire rope to adopt the binding mode to lift by crane, transport and install at the node place.This suspension centre fixed form, owing to need adopt the wire rope binding to the two ends of prefabricated case beam, thus make precast beam section suspension centre place stressed very complicated; And then stressed direction and size that prefabricated case beam is lifted by crane; Receive force direction and size all inconsistent with the design of beam body, when adopting reinforcement measure not at that time, suspension centre place beam body is easy to cracking; Bring loss to engineering, as shown in Figure 1.
The utility model content
The utility model technical problem to be solved is: a kind of hoisting structure that is used for the prefabricated case beam segment lifting that can effectively avoid prefabricated case beam cracking phenomena in hoisting process, to occur is provided.
The technical scheme that adopts for solving the problems of the technologies described above is: the hoisting structure that is used for the prefabricated case beam segment lifting; Comprise at least two cover main rope hoisting devices; Each overlaps each preset center of effort position that the main rope hoisting device is arranged in precast segment case beam, and the lifting main rope of every cover main rope hoisting device receive force direction and precast segment case beam preset receive force direction consistent.
Further be, every cover main rope hoisting device also comprises suspender body and pin connector, and the suspender body is connected with precast segment case beam through the pin connector, and the lifting main rope is connected with the suspender body.
Further be that the suspender body comprises gripper shoe and the boatswain chair that rises that is fixedly connected with this gripper shoe; The bottom of gripper shoe is provided with at least one group of mutual spacing and the suitable connecting hole of precast segment case beam width, and the connecting hole of suspender body is connected with the pin connector respectively; The top of playing boatswain chair is provided with the lifting eye that is positioned on the same group on two connecting hole perpendicular bisectors, and the lifting main rope is connected with the suspender body through lifting eye.
Further be that gripper shoe is welded to connect with a boatswain chair.
Further be that gripper shoe is connected with the lifting crab bolt.
The beneficial effect of the utility model is: lift by crane, transport and install prefabricated case beam through a hoisting structure of being made up of two cover main rope hoisting devices at least is set; And make every cover main rope hoisting device lay respectively at each preset center of effort position of precast segment case beam; During lifting; Since the lifting main rope receive that force direction and precast segment case beam preset receive force direction consistent; The suspension centre place of sections prefabricated case beam in hoisting process is stressed to become simple relatively thereby make, thereby the cracking phenomena of effectively having avoided prefabricated case beam in hoisting process, to occur reduces even stopped prefabricated case beam lifting the loss that brings to engineering.
Description of drawings
Fig. 1 is the structural representation of existing hoisting prefabricated case beam;
Fig. 2 is used for the structural representation of the hoisting structure of prefabricated case beam segment lifting for the utility model;
Fig. 3 is the lateral view of Fig. 2;
The structural representation of the main rope suspender that Fig. 4 relates to for the utility model;
Fig. 5 is the A-A view of Fig. 4.
Be labeled as among the figure: main rope hoisting device 1, prefabricated case beam 2, lifting main rope 3, suspender body 4, pin connector 5, gripper shoe 6, a boatswain chair 7, connecting hole 8, lifting eye 9, wire rope 10.
The specific embodiment
As shown in Figure 1; It is the lifting sketch map of hoisting prefabricated case beam 2 in the prior art; From figure, can know that prefabricated case beam 2 is through wire rope 10 binding two ends, sling by lifting main rope 3 from the centre then; So just make prefabricated case beam 2 stressed and preset stressed different fully in binding place and lifting process, this is the main root that causes prefabricated case beam 2 Cracking Failure loss in installation process.
In order to solve the above-mentioned technical problem that in hoisting process, makes prefabricated case beam 2 Cracking Failure easily, as Fig. 2, shown in Figure 3 be a kind of hoisting structure that is used for the prefabricated case beam segment lifting that can effectively avoid prefabricated case beam cracking phenomena in hoisting process, to occur that the utility model provides.Said hoisting structure comprises at least two cover main rope hoisting devices 1; Each overlaps each preset center of effort position that main rope hoisting device 1 is arranged in precast segment case beam 2, and the lifting main rope 3 of every cover main rope hoisting device 1 receive force direction and precast segment case beam 2 preset receive force direction consistent.At least a hoisting structure of being made up of two cover main rope hoisting devices 1 is set lifts by crane, transport and install prefabricated case beam 2 through above-mentioned; And make every cover main rope hoisting device 1 lay respectively at each preset center of effort position of precast segment case beam 2; Like this; During lifting and since lifting main rope 3 receive that force direction and precast segment case beam 2 preset receive force direction consistent, the suspension centre place of sections prefabricated case beam 2 in hoisting process is stressed to become simple relatively thereby make; Thereby the cracking phenomena of effectively having avoided prefabricated case beam 2 in hoisting process, to occur reduces even has stopped prefabricated case beam 2 lifting the loss that brings to engineering.
Like Fig. 2, Fig. 3, Fig. 4, shown in Figure 5; For simplifying the structure of main rope hoisting device 1; And when further improving main rope hoisting device 1 and being connected with prefabricated case beam 2, the stressing conditions of prefabricated case beam 2, every cover main rope hoisting device 1 also comprise suspender body 4 and pin connector 5; Suspender body 4 is connected with precast segment case beam 2 through pin connector 5, and lifting main rope 3 is connected with suspender body 4; Suspender body 4 comprises a gripper shoe 6 and a boatswain chair 7 that is fixedly connected with this gripper shoe 6; The bottom of gripper shoe 6 is provided with at least one group of mutual spacing and the suitable connecting hole 8 of precast segment case beam width, and the connecting hole 8 of suspender body 4 is connected with pin connector 5 respectively; The top of playing boatswain chair 7 is provided with the lifting eye 9 that is positioned on the same group on two connecting hole 8 perpendicular bisectors, and lifting main rope 3 is connected with suspender body 4 through lifting eye 7.After adopting the hoisting structure of said structure; Neither need use pin connector 5 to replace wire rope 10 binding prefabricated case beams 2; Also need not connect binding place with wire rope 10 couples together with lifting main rope 3; Thereby when making the hoisting prefabricated case of the hoisting structure beam 2 that adopts the utility model; Prefabricated case beam 2 stressed the simplest, and with prefabricated case beam 2 preset receive force direction in full accord with size, and then avoided to greatest extent prefabricated case beam 2 in hoisting process because the Cracking Failure that stressed too complicacy causes.
According to requirement of engineering, the gripper shoe 6 that constitutes suspender body 4 can be to be welded to connect with playing boatswain chair 7, also can be that bolt connects.

Claims (4)

1. the hoisting structure that is used for the prefabricated case beam segment lifting; It is characterized in that: comprise at least two cover main rope hoisting devices (1); Each overlaps each preset center of effort position that main rope hoisting device (1) is arranged in precast segment case beam (2), and the lifting main rope (3) of every cover main rope hoisting device (1) receive force direction and precast segment case beam (2) preset receive force direction consistent.
2. the hoisting structure that is used for the prefabricated case beam segment lifting according to claim 1; It is characterized in that: every cover main rope hoisting device (1) also comprises suspender body (4) and pin connector (5); Suspender body (4) is connected with precast segment case beam (2) through pin connector (5), and lifting main rope (3) is connected with suspender body (4).
3. the hoisting structure that is used for the prefabricated case beam segment lifting according to claim 2 is characterized in that: suspender body (4) comprises a gripper shoe (6) and a boatswain chair (7) that is fixedly connected with this gripper shoe (6); The bottom of gripper shoe (6) is provided with at least one group of mutual spacing and the suitable connecting hole (8) of precast segment case beam width, and the connecting hole (8) of suspender body (4) is connected with pin connector (5) respectively; The top of playing boatswain chair (7) is provided with the lifting eye (9) that is positioned on two connecting holes (8) perpendicular bisector on the same group, and lifting main rope (3) is connected with suspender body (4) through lifting eye (7).
4. the hoisting structure that is used for the prefabricated case beam segment lifting according to claim 3 is characterized in that: gripper shoe (6) is welded to connect with a boatswain chair (7).
CN2012200944688U 2012-03-14 2012-03-14 Structure for hoisting sections of precast box girder Expired - Lifetime CN202466428U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012200944688U CN202466428U (en) 2012-03-14 2012-03-14 Structure for hoisting sections of precast box girder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200944688U CN202466428U (en) 2012-03-14 2012-03-14 Structure for hoisting sections of precast box girder

Publications (1)

Publication Number Publication Date
CN202466428U true CN202466428U (en) 2012-10-03

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Application Number Title Priority Date Filing Date
CN2012200944688U Expired - Lifetime CN202466428U (en) 2012-03-14 2012-03-14 Structure for hoisting sections of precast box girder

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103437298A (en) * 2013-09-04 2013-12-11 中国十九冶集团有限公司 Hoisting method and hoisting device for concrete prefabricated box beam

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103437298A (en) * 2013-09-04 2013-12-11 中国十九冶集团有限公司 Hoisting method and hoisting device for concrete prefabricated box beam

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Granted publication date: 20121003