CN217174375U - Auxiliary pre-stressed steel strand pulling device - Google Patents

Auxiliary pre-stressed steel strand pulling device Download PDF

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Publication number
CN217174375U
CN217174375U CN202122777123.4U CN202122777123U CN217174375U CN 217174375 U CN217174375 U CN 217174375U CN 202122777123 U CN202122777123 U CN 202122777123U CN 217174375 U CN217174375 U CN 217174375U
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China
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traction
assembly
pulling
steel
steel strand
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CN202122777123.4U
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Chinese (zh)
Inventor
熊烜辉
罗启武
童仁祥
刘博�
周佳炬
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CCFEB Civil Engineering Co Ltd
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CCFEB Civil Engineering Co Ltd
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Abstract

The utility model discloses a wear to restraint device that supplementary prestressed steel strand wires were worn to restraint, include: a bundling assembly; the bundling assembly is connected with the steel strands and is used for intensively fixing the steel strands; the guide assembly is connected with the bundling assembly and is used for bundling the steel strands; the traction assembly is arranged in the steel strand and penetrates through the bundling assembly, the traction assembly is connected with the tractor and used for driving the steel strand to penetrate through the prestress box girder, and the multi-strand steel strand traction device has the advantages that the multi-strand steel strand is stably and quickly penetrated, and the construction efficiency is improved.

Description

Auxiliary pre-stressed steel strand pulling device
Technical Field
The utility model relates to a technical field of building construction equipment, in particular to wear to restraint device that supplementary prestress wire worn to restraint.
Background
At present, China is in a stage of rapid development of infrastructure construction, a prestressed box girder is an important component of structure construction, and during construction, construction efficiency is low and construction progress is affected due to the fact that the number of steel strands is large. Therefore, how to quickly and effectively penetrate the beam is a major difficulty in the construction process of the prestressed bridge engineering.
To the not enough of above-mentioned prior art, the utility model provides a wear to restraint device that supplementary prestressing force steel strand wires were worn to restraint.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wear to restraint device that supplementary prestressing force steel strand wires were worn to restraint to solve prestressing force case roof beam and be the important component of structure construction, and when the construction, often because steel strand wires wear to restraint a large amount, lead to the efficiency of construction low, influence the technical problem of construction progress.
According to the utility model discloses an aspect provides a wear to restraint device that supplementary prestressing force steel strand wires were worn to restraint, include:
a bundling assembly; the bundling assembly is connected with the steel strands and is used for intensively fixing the steel strands;
the guide assembly is connected with the bundling assembly and is used for bundling the steel strands;
the traction assembly is arranged in the steel strand and penetrates through the bundling assembly, and the traction assembly is connected with the tractor and used for driving the steel strand to penetrate through the prestress box girder.
Through adopting above-mentioned technical scheme, when wearing the bundle to steel strand wires, it is fixed to bundle a bundle to steel strand wires through the subassembly of bundling, and the direction subassembly is connected with the subassembly of bundling, connects steel strand wires through the subassembly of pulling and drives the direction subassembly and the subassembly of bundling and wear out the steel strand wires of accomplishing the prestressed box roof beam along the prestressed box roof beam together under the pulling of tractor and wear to restraint, removes the direction through the direction subassembly in the prestressed box roof beam, and then supplementary many bundles of steel strand wires wear to restraint steadily fast, have improved the efficiency of construction.
Further, the cluster component comprises a cluster, the cluster wraps the outer side of the steel strand, and the cluster is connected with the guide component and drives the steel strand to move together.
By adopting the technical scheme, the steel strand is wrapped and moved by the buncher, so that the contact friction of the end part of the steel strand in the prestressed box girder is reduced, the strand penetrating of the steel strand is influenced, and the strand penetrating efficiency of the steel strand is improved.
Further, the guide assembly comprises a protective cap, the protective cap is arranged at the end portion of the steel strand, the buncher is connected with the protective cap, a through hole is formed in the end portion of the protective cap, and the traction assembly penetrates through the through hole and is connected with a traction machine.
Through adopting above-mentioned technical scheme, the direction subassembly includes the helmet, when pulling steel strand wires, the tip parcel with steel strand wires through the helmet, wrap up steel strand wires with the buncher and connect the integrative removal of helmet, avoid steel strand wires to disperse in helmet department, lead to steel strand wires to connect greatly when removing in the prestressing force case roof beam with the contact surface of prestressing force case roof beam and cause frictional force great, thereby influence the life of prestressing force case roof beam, pulling traction assembly and the integrative removal of steel strand wires under the effect of tractor, and pass prestressing force case roof beam, accomplish the work of drawing a bundle of steel strand wires of prestressing force case roof beam.
Furthermore, the tip of helmet is the arc setting.
Through adopting above-mentioned technical scheme, set up the helmet tip into the arc, when the pulling steel strand wires, through the helmet butt remove on the box roof beam, reduce the contact friction between helmet and the box roof beam, improved the life of box roof beam.
Furthermore, the traction assembly comprises a traction steel bar, one end of the traction steel bar is connected with a steel strand, the other end of the traction steel bar penetrates through the protective cap along the through hole, and a connecting piece is arranged at the end part of the traction steel bar and connected with a tractor.
Through adopting above-mentioned technical scheme, through connecting the traction reinforcement on the steel strand wires, when pulling the steel strand wires, through penetrating the helmet with the traction reinforcement, will draw the end that stretches out of reinforcement and be connected with the tractor through the connecting piece, will draw reinforcement and steel strand wires together to fix in the helmet, pull the reinforcement through the tractor and remove.
Further, the connecting piece includes U-shaped lantern ring and accepting part, accepting part set up in the tip of draw the reinforcing bar, accepting part connects the U-shaped lantern ring with draw the reinforcing bar.
Through adopting above-mentioned technical scheme, when pulling reinforcing bar and steel strand wires together, connect U-shaped lantern ring and pulling reinforcing bar through the accepting part, drive the pulling reinforcing bar and move with the steel strand wires is together under the pulling of tractor, can dismantle the U-shaped lantern ring of renewing again and use after the U-shaped lantern ring damages under the effect of accepting part, improved the used repeatedly efficiency of wearing to restraint the device.
Further, the bearing part comprises a sleeve, the sleeve is arranged at the end part of the traction steel bar and is connected with the U-shaped lantern ring and the traction steel bar, and the sleeve is detachably connected with the end part of the traction steel bar.
Through adopting above-mentioned technical scheme, through the muffjoint U-shaped lantern ring, when removing the steel strand wires, pull the U-shaped lantern ring of reinforcing bar tip through tractor pulling steel strand wires and order about the steel strand wires and remove, when the U-shaped lantern ring damaged, can dismantle through the sleeve and change the U-shaped lantern ring, improved the use number of times that pulls the reinforcing bar to the energy has been practiced thrift, avoided too much preparation U-shaped lantern ring to cause the wasting of resources.
Further, the buncher abuts against the inside of the protective cap.
Through adopting above-mentioned technical scheme, avoid the too big parcel helmet of external diameter of buncher with the buncher butt in the helmet, when removing, the junction of buncher and helmet is buncher parcel helmet and the state that stretches out, and when removing the steel strand wires, the buncher can lead to the fact the scratch in to the prestressing force case roof beam to influence the life of prestressing force case roof beam.
Further, the outer wall of the buncher is arranged in an arc shape.
By adopting the technical scheme, the outer wall of the buncher is arc-shaped, so that the contact friction force between the outer wall of the buncher and the prestressed box girder is reduced when the steel strand is moved, and the service life of the prestressed box girder is prolonged.
Further, the diameter of the through hole only allows the traction steel bar to penetrate out.
Through adopting above-mentioned technical scheme, supply the reinforcing bar to wear out the size of through-hole, stimulate the reinforcing bar through the tractor, penetrate prestressing force case roof beam with steel strand wires and helmet an organic whole for the removal of steel strand wires is stable, and can not stretch out the helmet and cause the damage to prestressing force case roof beam.
The utility model discloses following beneficial effect has:
the utility model relates to a wear to restraint device that supplementary prestressing force steel strand wires were worn to restraint is when carrying out the wearing of steel strand wires to prestressing force case roof beam, through wrapping up the buncher in the outside of multiunit steel strand wires, peg graft the buncher in the helmet, connect steel strand wires and stretch out through the through-hole of helmet through the traction reinforcement, pull reinforcement and tractor are connected an organic whole and are removed at the tractor pulling U-shaped lantern ring, through the protection of helmet and buncher, see that steel strand wires tip and prestressing force case roof beam contact cause the condition of striking damage to take place to accomplish the wearing of steel strand wires.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic overall structure diagram of the preferred embodiment of the present invention;
illustration of the drawings:
1. a bundling assembly; 11. a buncher; 2. a guide assembly; 21. a protective cap; 22. a through hole; 3. a traction assembly; 31. pulling the reinforcing steel bars; 32. a U-shaped collar; 33. a sleeve.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered below.
Example 1
As shown in fig. 1, this embodiment discloses a pulling device that supplementary prestressing force steel strand wires were worn to restraint, including subassembly 1 tied in a bundle, guide assembly 2 and traction assembly 3, when transmitting the steel strand wires to prestressing force case roof beam, with buncher 11 parcel steel strand wires and connect the integrative removal of helmet 21, avoid the steel strand wires to scatter in helmet 21 department, lead to the steel strand wires to connect too big friction that causes with the contact surface of prestressing force case roof beam when removing in prestressing force case roof beam, thereby influence the life of prestressing force case roof beam, pull subassembly 3 and the integrative removal of steel strand wires under the effect of tractor, and pass prestressing force case roof beam, accomplish the work of wearing to restraint of steel strand wires of prestressing force case roof beam.
Referring to fig. 1, the bundling assembly 1 includes a bundling device 11, the bundling device 11 wraps a plurality of groups of steel strands, and the bundling device 11 is a circular tube. Guide assembly 2 includes helmet 21, and helmet 21 sets up to one end for globular ring pipe, wears to penetrate at the globular end of helmet 21 has through-hole 22, when carrying out wearing of steel strand wires, through pegging graft the buncher 11 and carry out wearing of steel strand wires in helmet 21, reduces the contact friction with the prestressing force case roof beam through the globular end of helmet 21, wears to restraint the steel strand wires fast.
Referring to fig. 1, the traction assembly 3 includes a traction steel bar 31, the traction steel bar 31 is inserted into a plurality of groups of steel strands and connected with the steel strands, the traction steel bar 31 passes through a through hole 22 at the end of the protective cap 21, the diameter of the through hole 22 only allows the traction steel bar 31 to pass through, the traction steel bar 31 is pulled by a tractor to move in the prestressed box girder and pass through the prestressed box girder, and the strand penetrating of the steel strands is completed. The end of the traction steel bar 31 is provided with a connecting piece, the connecting piece comprises a U-shaped sleeve ring and a bearing part, a bearing part sleeve 33 is arranged on the end of the traction steel bar 31, the U-shaped sleeve ring 32 is fixed with the sleeve 33 by speaking, the traction steel bar 31 is driven to move by connecting the U-shaped sleeve ring 32 with the tractor, the traction steel bar 31 pulls the steel strand to move together and penetrate out along the prestressed box girder, and the strand penetrating of the steel strand is completed. When the U-shaped lantern ring 32 is damaged after being used for a long time, the sleeve 33 is detached and replaced, so that the traction steel bar 31 is repeatedly used, and resources are saved.
The working principle of the pulling device for assisting the pulling of the prestressed steel strand is as follows: when carrying out the wearing of steel strand wires to prestressing force case roof beam, through the outside with 11 parcels of buncher in multiunit steel strand wires, peg graft buncher 11 in helmet 21, connect the steel strand wires through draw reinforcement 31 and stretch out through the through-hole 22 of helmet 21, be connected integrative the removal with draw reinforcement 31 and tractor at tractor pulling U-shaped lantern ring 32, through the protection of helmet 21 with buncher 11, see that the condition that steel strand wires tip and prestressing force case roof beam contact caused the striking damage and take place, thereby accomplish the wearing of steel strand wires and restraint.
Example 2
The difference of this embodiment and embodiment 1 lies in direction subassembly 2 including the guide cylinder, accomodates the steel strand wires in the guide cylinder, rotates on the outer wall of guide cylinder and connects the gyro wheel, when driving the steel strand wires through the pulling guide cylinder and remove, makes the bundle of wearing of steel strand wires more convenient under the effect of gyro wheel, and has reduced the circumstances emergence of the removal difficulty that arouses because the friction.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a wear to restraint device that supplementary prestressing steel strand worn to restraint which characterized in that: the method comprises the following steps:
a bundling assembly (1); the bundling assembly (1) is connected with the steel strands and is used for intensively fixing the steel strands;
the guide assembly (2) is connected with the bundling assembly (1) and used for guiding the steel strands in a penetrating manner;
the traction assembly (3) penetrates through the bundling assembly (1) and the guide assembly (2), the traction assembly (3) and the steel strands are integrally fixed in the bundling assembly (1), and the traction assembly (3) is connected with a tractor and used for driving the steel strands to penetrate through the prestress box girder.
2. The pulling device for assisting in pulling prestressed steel strands according to claim 1, wherein: the bundling assembly (1) comprises a bundling device (11), the bundling device (11) is sleeved on the outer sides of the steel strands, and the bundling device (11) is connected with the guide assembly (2) and drives the steel strands to move together through the guide assembly (2).
3. The pulling device for assisting in pulling prestressed steel strands according to claim 2, wherein: the guide assembly (2) comprises a protective cap (21), the protective cap (21) is located at the end of a steel strand, the buncher (11) is connected with the protective cap (21), a through hole (22) is formed in the end of the advancing end of the protective cap (21), and the traction assembly (3) penetrates through the through hole (22) and is connected with a traction machine.
4. The pulling device for assisting in pulling prestressed steel strands according to claim 3, wherein: the advancing end of the protective cap (21) is arranged in a spherical shape, a conical shape or a semi-elliptical shape.
5. The pulling device for assisting in pulling prestressed steel strands according to claim 3, wherein: the traction assembly (3) comprises a traction steel bar (31), one end of the traction steel bar (31) is connected with a steel strand, the other end of the traction steel bar (31) penetrates through the through hole (22) of the protective cap (21), a connecting piece is arranged at the end part of the extending end of the traction steel bar (31), and the traction steel bar (31) is connected with a tractor through the connecting piece.
6. The pulling device for assisting in pulling prestressed steel strands according to claim 5, wherein: the connecting piece includes U-shaped lantern ring (32) and accepting part, accepting part set up in the overhanging end tip of traction reinforcement (31), accepting part connects U-shaped lantern ring (32) with traction reinforcement (31).
7. The pulling device for assisting in pulling prestressed steel strands according to claim 6, wherein: the bearing part comprises a sleeve (33), the sleeve (33) is arranged at the end part of the traction reinforcing steel bar (31), the sleeve (33) is connected with the U-shaped sleeve ring (32) and the traction reinforcing steel bar (31), and the sleeve (33) is detachably connected with the end part of the traction reinforcing steel bar (31).
8. The pulling device for assisting in pulling prestressed steel strands according to claim 4, wherein: the buncher (11) is abutted to the inside of the protective cap (21).
9. The pulling device for assisting in pulling prestressed steel strands according to claim 8, wherein: the outer wall of the buncher (11) is arranged in an arc shape.
10. The pulling device for assisting in pulling prestressed steel strands according to claim 5, wherein: the radial dimension of the through hole (22) is matched with the radial dimension of the traction reinforcing steel bar (31), so that the traction reinforcing steel bar (31) just can penetrate out.
CN202122777123.4U 2021-11-12 2021-11-12 Auxiliary pre-stressed steel strand pulling device Active CN217174375U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122777123.4U CN217174375U (en) 2021-11-12 2021-11-12 Auxiliary pre-stressed steel strand pulling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122777123.4U CN217174375U (en) 2021-11-12 2021-11-12 Auxiliary pre-stressed steel strand pulling device

Publications (1)

Publication Number Publication Date
CN217174375U true CN217174375U (en) 2022-08-12

Family

ID=82707571

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122777123.4U Active CN217174375U (en) 2021-11-12 2021-11-12 Auxiliary pre-stressed steel strand pulling device

Country Status (1)

Country Link
CN (1) CN217174375U (en)

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