CN216892037U - Hang and irritate roof beam large-section high web end template reinforcing apparatus - Google Patents
Hang and irritate roof beam large-section high web end template reinforcing apparatus Download PDFInfo
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- CN216892037U CN216892037U CN202220290840.6U CN202220290840U CN216892037U CN 216892037 U CN216892037 U CN 216892037U CN 202220290840 U CN202220290840 U CN 202220290840U CN 216892037 U CN216892037 U CN 216892037U
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Abstract
The utility model provides a reinforcing device for a large-section high-web end template of a cantilever beam, which comprises an end template, wherein an outer template and an inner template are arranged on two sides of the end template in parallel, a group of finish-rolled threaded steel pull rods and a group of counter pull rods are connected between the outer template and the inner template, a combined cushion block formed by splicing inclined surfaces of two triangular wedge blocks is arranged between each counter pull rod and the end template, the two triangular wedge blocks in the combined cushion block are respectively penetrated through by a pin shaft, a long screw of the combined cushion block sequentially penetrates through a pin shaft hole, and the end of the long screw is locked and fixed by a screw locking nut. The utility model reduces the requirements for constructors and construction materials to the maximum extent, remarkably improves the construction efficiency, completely avoids the defects of high overhead welding risk, burning of main steel bars and inner and outer templates, inconvenience in mounting and dismounting and the like in welding operation, is dismounted and recycled after construction, and has remarkable advantages in the aspects of economy, convenience, safety and the like.
Description
Technical Field
The utility model relates to a reinforcing device for a cantilever beam large-section high web end template, and belongs to the technical field of cantilever pouring in bridge construction.
Background
The short-tower cable-stayed bridge is also called as a partial cable-stayed bridge, is a novel bridge structure form between a continuous beam bridge and a cable-stayed bridge, has the characteristics of both the cable-stayed bridge and the continuous beam bridge, has the characteristics of rigidity and flexibility, and accords with the structural stress characteristics, so the short-tower cable-stayed bridge has the advantages of economy, attractive appearance, high rigidity, convenient construction and the like, has good development potential, and is fully applied to the construction of high-speed railways. The beam part of a part of cable-stayed bridge is generally a concrete beam, the section size is large, an end template generally adopts a 5cm steel plate, and the reinforcing method is not uniform.
The common reinforcement methods at present are: firstly, longitudinal steel bars and end templates are welded together for processing, the method is inconvenient for overhead welding operation, and the main steel bars of the structure are burnt; and secondly, channel steel is adopted as a vertical back edge to be welded with the end plate, and meanwhile, the diagonal bracing angle steel or the channel steel is fixedly welded and supported on the template, so that the reinforcing effect is achieved. However, the method also has the disadvantages of high-altitude welding and inconvenient demolition due to damage to the inner and outer side templates. In summary, at present, there is no uniform and reliable method for reinforcing an end template, which creates a certain potential safety hazard for reinforcing and implementing the end template of a large-section high web plate of a cantilever beam.
Disclosure of Invention
In order to solve the defects of the prior art, the utility model provides a reinforcing device for a large-section high-web-plate end template of a cantilever beam, which is characterized in that a pull rod is arranged at the end position of an inner template and an outer template, the pull rod is fixedly locked at two ends by nuts through a pull rod hole on the template, two triangular wedge-shaped block supporting pads are arranged at the inner side of the pull rod, a through hole is formed in the side surface of each triangular wedge-shaped block for a pin shaft to pass through, the thickness can be conveniently adjusted by adjusting the inclined plane meshing position, a long screw rod is matched with a lock nut to lock, the template reinforcing construction is carried out by using the reinforcing device, the requirements on constructors and construction materials can be reduced to the greatest extent, the construction efficiency is remarkably improved, the defects of high overhead welding risk, inconvenience in mounting and dismounting main body steel bars and inner and outer templates and the like existing in the welding operation are completely avoided, the reinforcing device can be used in a turnover mode after the construction is finished, and the reinforcing device is economical, The method has remarkable advantages in the aspects of convenience, safety and the like.
The technical scheme adopted by the utility model for solving the technical problem is as follows: the utility model provides a reinforcing device for a large-section high-web end template of a cantilever beam, which comprises an end template, wherein the end template comprises an end plate and end plate clamping groove angle steel welded on two sides of the end plate, the end plate is provided with holes for passing through longitudinal steel bars of the sections, an outer template and an inner template are arranged on two sides of the end template in parallel, the outer template and the inner template are connected by a group of finish rolling threaded steel pull rods and a group of counter pull rods, the ends of the finish rolling threaded steel pull rods and the counter pull rods are respectively fastened by nuts and double-pull-rod nuts, wherein the finish rolling threaded steel pull rods are distributed in the range of the concrete of the sections to be poured, the counter pull rods are distributed outside the range of the concrete of the sections to be poured, a combined cushion block formed by splicing inclined planes of two triangular wedges is arranged between each counter pull rod and the end template, and the two triangular wedges in the combined cushion block are respectively penetrated by pin shafts with holes on two ends, and the two sides of the combined cushion block are respectively provided with a long screw, the long screws sequentially penetrate through pin shaft holes of pin shafts on the same side of the combined cushion block, and the ends of the long screws are locked and fixed by screw lock nuts.
The end plate is made of a steel plate with the thickness of 5 mm.
The angle steel of the end plate clamping groove adopts angle steel & lt 50 & gt.
The opposite pull rods are parallel to the end templates.
The distance between the opposite pull rods and the end template is 12-20 cm.
The distance between adjacent layers of opposite pull rods is 70-90 cm.
The number of the combined cushion blocks arranged between each pair of tie rods and the end head template is more than 2.
And the nut matched with the finish-rolled deformed steel pull rod adopts a double nut.
The inclined plane of the triangular wedge-shaped block is provided with anti-skid grains.
The utility model has the beneficial effects based on the technical scheme that:
(1) according to the reinforcing device for the end formwork of the large-section high web plate of the cantilever beam, the pull rod is arranged at the end position of the inner and outer formworks, the pull rod is fixedly locked at two ends by adopting nuts through the pull rod hole on the formworks, meanwhile, two triangular wedge-shaped block support pads are arranged at the inner side of the pull rod, the side surface of each triangular wedge-shaped block is provided with a through hole for penetrating a pin shaft, the thickness is conveniently adjusted by adjusting the inclined plane meshing position, and long screws are adopted between the triangular wedge-shaped blocks to be matched with locking nuts for locking, so that the construction method and the device fundamentally avoid the problem of welding damages to steel bars and formworks possibly caused in welding operation, and the construction quality of main steel bars is protected;
(2) according to the reinforcing device for the end template of the large-section high web plate of the cantilever beam, the tie rod and the end template do not have a welding process in the installation process, the tie rod and the end template can be disassembled after concrete pouring is finished, the construction efficiency is high, the circular turnover use is realized, and the economic efficiency is improved;
(3) the reinforcing device for the end template of the large-section high web plate of the suspension irrigation beam, provided by the utility model, adopts the combined supporting cushion blocks with adjustable thickness and the pull rod devices for locking, has a good supporting effect and ensures the intrinsic safety of the end template support.
Drawings
FIG. 1 is a plan view showing the effect of the present invention.
Fig. 2 is an elevational view of the present invention.
Fig. 3 is a schematic view of a triangular wedge block according to the present invention.
FIG. 4 is a side view of the locking position of the combination spacer of the present invention.
FIG. 5 is a front view of the locking state of the combination spacer in the present invention.
In the drawings: 1-section concrete, 2-outer formwork, 3-inner formwork, 4-end plate, 4 a-end plate groove angle steel, 5-counter pull rod, 5 a-finish rolling screw steel pull rod, 6-double-pull-rod screw cap, 6 a-screw cap, 7-combined cushion block, 7 a-triangular wedge block, 8-section longitudinal steel bar, 9-pin shaft, 9 a-long screw rod and 9 b-screw rod lock nut.
Detailed Description
The utility model is further illustrated by the following figures and examples.
The utility model provides a reinforcing device for an end template of a large-section high web plate of a suspension irrigation beam, which comprises the end template, and is characterized in that the end template comprises an end plate 4 and end plate clamping groove angle steel 4a welded on two sides of the end plate, wherein the end plate is a steel plate with the thickness of 5mm, and the end plate clamping groove angle steel is angle steel & lt 50 & gt.
The end plate is provided with a hole for the section longitudinal steel bar 8 to pass through, the two sides of the end template are provided with an outer template 2 and an inner template 3 in parallel, the outer template and the inner template are connected by a group of finish rolling deformed steel bar pull rods 5a and a group of counter pull rods 5, the ends of the finish rolling deformed steel bar pull rods and the counter pull rods are fastened by nuts 6a and double-pull-rod nuts 6 respectively, and the nuts matched with the finish rolling deformed steel bar pull rods are double-nuts.
Wherein the finish rolling screw thread steel pull rod is distributed within the range of the section concrete 1 to be poured, and the counter pull rod is distributed outside the range of the section concrete to be poured. The counter-pull rods are parallel to the end templates, the distance between each counter-pull rod and each end template is 12-20 cm, and the distance between adjacent counter-pull rods is 70-90 cm.
A combined cushion block 7 formed by splicing inclined surfaces of two triangular wedge-shaped blocks 7a is arranged between each pair of pull rods and the end template, the number of the combined cushion blocks arranged between each pair of pull rods and the end template is more than 2, and the inclined surfaces of the triangular wedge-shaped blocks are provided with anti-skid lines.
Two triangular wedge blocks in the combined cushion block are respectively penetrated through by pin shafts 9 with holes at two ends, two long screw rods 9a are respectively arranged at two sides of the combined cushion block, the long screw rods sequentially penetrate through pin shaft holes of the pin shafts positioned at the same side of the combined cushion block, and the ends of the long screw rods are locked and fixed by screw rod locking nuts 9 b.
The process of reinforcing the formwork at the end of the large-section high web plate of the cantilever beam by using the utility model comprises the following steps:
(1) end template processing: pre-manufacturing an end template: welding end plate groove angle steel 4a at two sides of the end plate 4 to form an end template, wherein the end plate is a steel plate with the thickness of 5mm, the end plate groove angle steel is angle steel 50, and holes corresponding to the positions of the longitudinal steel bars 8 of the segments are formed in the end template;
(2) construction of segment steel bars and templates: installing segment longitudinal steel bars according to design requirements, installing an outer template 2 and an inner template 3 on two sides of an end template in parallel, and reinforcing the outer template and the inner template by adopting a group of finish rolling deformed steel bar pull rods 5a and nuts 6a matched with the finish rolling deformed steel bar pull rods, wherein the nuts adopt double nuts, and the finish rolling deformed steel bar pull rods are distributed in the range of segment concrete 1 to be poured;
(3) installing the opposite pull rods outside the end templates: a pair of pull rod holes are formed in the positions, outside the range of the section concrete to be poured, of the inner template and the outer template, a pair of pull rods 5 penetrate through the pair of pull rod holes, and two ends of each pull rod are reinforced by a double-pull-rod nut 6;
(4) wedge block installation: a space between the counter pull rod and the end template is filled with a combined cushion block 7 formed by splicing inclined surfaces of two triangular wedge blocks 7a, the thickness of the combined cushion block is adjusted according to the distance between the counter pull rod and the end template, and the combined cushion block is ensured to be firmly supported;
(5) installing a wedge-shaped block pin shaft pull rod: a pin shaft 9 with holes at two ends penetrates through a through hole arranged on the side face of the triangular wedge block, a long screw 9a sequentially penetrates through pin shaft holes of the pin shafts positioned on the same side of the combined cushion block, and the end of the long screw is locked and fixed by a screw locking nut 9 b;
(6) repeating the steps (3) to (5) to finish the installation of all the position counter pull rods and the corresponding combined cushion blocks;
(7) dismantling and recycling: after the section concrete is poured, and the strength meets the design requirement, the combined cushion block and the opposite pull rod are firstly removed, and then the end template is removed, so that the circular circulation use is realized.
The utility model provides a reinforcing device for a formwork at the end of a large-section high web plate of a cantilever beam, which adopts the technical scheme that a pull rod is arranged at the end of an inner formwork and an outer formwork, the pull rod is fixedly locked at two ends by adopting nuts through a pull rod hole on the formwork, meanwhile, two triangular wedge-shaped block supporting pads are arranged on the inner side of the pull rod, through holes are formed in the side faces of the triangular wedge-shaped blocks and used for pin shaft penetrating, the thickness can be adjusted conveniently by adjusting the inclined plane meshing position, the long screw rod is matched with the locking nut for locking, the formwork reinforcing construction is carried out by using the device, the requirements on constructors and construction materials can be reduced to the greatest extent, the construction efficiency is obviously improved, simultaneously, the defects of large high-altitude welding risk, burn on the main body steel bars and the inner and outer side templates, inconvenient assembly and disassembly and the like in the welding operation are completely avoided, the steel pipe is disassembled and recycled after construction, and has remarkable advantages in the aspects of economy, convenience, safety and the like.
Modifications and variations of the present invention will be obvious to those skilled in the art in light of the foregoing description, and it is intended to cover in the appended claims all such modifications and variations as fall within the true spirit and scope of the utility model.
Claims (9)
1. The utility model provides a hang and irritate roof beam large-section high web end template reinforcing apparatus, includes the end template, its characterized in that: the end template comprises an end plate (4) and end plate groove angle steel (4a) welded on two sides of the end plate, the end plate is provided with holes for sections of longitudinal steel bars (8) to pass through, two sides of the end template are parallelly provided with an outer template (2) and an inner template (3), the outer template and the inner template are connected by a group of finish rolling threaded steel pull rods (5a) and a group of counter pull rods (5), the ends of the finish rolling threaded steel pull rods and the counter pull rods are respectively fastened by nuts (6a) and double-pull-rod nuts (6), wherein the finish rolling threaded steel pull rods are distributed within the range of the section of concrete (1) to be poured and are distributed outside the range of the section of concrete to be poured, a combined cushion block formed by splicing inclined surfaces of two triangular wedge blocks (7a) is arranged between each counter pull rod and the end template, and the two triangular wedge blocks in the combined cushion block are respectively penetrated by pin shafts with holes on two ends, two sides of the combined cushion block are respectively provided with a long screw (9a), the long screws sequentially penetrate through pin shaft holes of pin shafts positioned on the same side of the combined cushion block, and the end of each long screw is locked and fixed by a screw locking nut (9 b).
2. The reinforcing device for the end formwork of the large-section high web of the cantilever beam as claimed in claim 1, characterized in that: the end plate is made of a steel plate with the thickness of 5 mm.
3. The reinforcing device for the end formwork of the large-section high web plate of the cantilever beam as claimed in claim 1, wherein: the end plate groove is made of angle steel 50.
4. The reinforcing device for the end formwork of the large-section high web plate of the cantilever beam as claimed in claim 1, wherein: the opposite pull rods are parallel to the end templates.
5. The reinforcing device for the end formwork of the large-section high web plate of the cantilever beam as claimed in claim 1, wherein: the distance between the opposite pull rods and the end template is 12-20 cm.
6. The reinforcing device for the end formwork of the large-section high web plate of the cantilever beam as claimed in claim 1, wherein: the distance between adjacent layers of opposite pull rods is 70-90 cm.
7. The reinforcing device for the end formwork of the large-section high web plate of the cantilever beam as claimed in claim 1, wherein: the number of the combined cushion blocks arranged between each pair of tie rods and the end head template is more than 2.
8. The reinforcing device for the end formwork of the large-section high web plate of the cantilever beam as claimed in claim 1, wherein: and the nut matched with the finish-rolled deformed steel pull rod adopts a double nut.
9. The reinforcing device for the end formwork of the large-section high web of the cantilever beam as claimed in claim 1, characterized in that: the inclined plane of the triangular wedge-shaped block is provided with anti-skid grains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220290840.6U CN216892037U (en) | 2022-02-14 | 2022-02-14 | Hang and irritate roof beam large-section high web end template reinforcing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220290840.6U CN216892037U (en) | 2022-02-14 | 2022-02-14 | Hang and irritate roof beam large-section high web end template reinforcing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216892037U true CN216892037U (en) | 2022-07-05 |
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ID=82183616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220290840.6U Active CN216892037U (en) | 2022-02-14 | 2022-02-14 | Hang and irritate roof beam large-section high web end template reinforcing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216892037U (en) |
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2022
- 2022-02-14 CN CN202220290840.6U patent/CN216892037U/en active Active
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