CN211646027U - Improved box girder template - Google Patents

Improved box girder template Download PDF

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Publication number
CN211646027U
CN211646027U CN201922432459.XU CN201922432459U CN211646027U CN 211646027 U CN211646027 U CN 211646027U CN 201922432459 U CN201922432459 U CN 201922432459U CN 211646027 U CN211646027 U CN 211646027U
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China
Prior art keywords
box girder
bolt
nut
template
web
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CN201922432459.XU
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Chinese (zh)
Inventor
黄利刚
田广彦
任鸿昌
邱贺枰
彭建
丁峰
王慧
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Zhejiang Communications Construction Group Co Ltd
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Zhejiang Communications Construction Group Co Ltd
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Abstract

The utility model belongs to the technical field of continuous beam construction, in particular to an improved box girder template, the bottom end of which is provided with an elevation fine adjustment device; the elevation fine adjustment device comprises a bottom plate, wherein the bottom plate is provided with a first bolt, the first bolt is sleeved with a steel pipe and a first nut, the bottom plate is placed on the supporting ground, the steel pipe is fixedly connected with the box girder template, the first nut is positioned between the steel pipe and the bottom plate and abuts against the box girder template, and the first nut is rotated to adjust the elevation of the box girder template; and an outer die web plate of the box girder template is provided with a quick demoulding device and a main rib fixing device. The utility model can adjust the elevation through the elevation fine adjustment device, and reduce the workload of adjusting the box girder template; the box girder template can be quickly separated from the concrete through the quick demoulding device, and the surface and edges of the concrete are not damaged; the distance between the web main ribs can be consistent through the main rib fixing device, the top surface elevation of the web main ribs is consistent, and the thickness uniformity of the web main rib protective layer is ensured.

Description

Improved box girder template
Technical Field
The utility model belongs to the technical field of continuous beam construction, concretely relates to improvement case roof beam template.
Background
In engineering construction, the template is an important component, and the basic requirements of the template are to ensure the correctness of the shapes, the sizes and the mutual positions of all parts of an engineering structure and a component; the concrete has enough bearing capacity, rigidity and stability, and can reliably bear the dead weight, lateral pressure and construction load of newly cast concrete; the structure is simple, the assembly and disassembly are convenient, and the binding and the installation of the steel bars and the pouring and the maintenance of concrete are convenient; the joints of the templates are tight, and slurry cannot leak; can be used repeatedly
The external mold web and the flange plate of the bridge box girder adopt the processed and manufactured shaped steel templates, have enough strength, rigidity, stability and tightness, but have the following defects at the same time:
1) in order to ensure the apparent quality of concrete, the outer mold web plate and the flange plate of the bridge box girder are both made of large-block steel molds, so that the size is large, the weight is heavy, and when the elevation has small deviation, the workload for adjusting is large.
2) The bridge box girder external mold web and the flange plates are both made of large-block steel molds, the contact area between the large-block steel molds and concrete is large, the surfaces and the edges and the corners of the large-block steel molds are not damaged, the large-block steel molds do not need to be too violent and too violent during mold removal, so that the mold removal work is troublesome, and the edges and the corners can be damaged under the condition of hard pulling.
3) The outer die web main ribs are large in height and large in quantity, the positioning of the web main ribs is always a difficult problem in the process of steel bar binding and installation, and the problems that the thickness of a bound steel bar protective layer is not uniform, the elevation of the top surface of a steel bar is not uniform, the distance between the steel bars is not uniform and the like due to the fact that the binding is not in place are solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem and providing an improved box girder template.
In order to realize the technical purpose, the utility model adopts the following technical scheme:
an improved box girder template is characterized in that an elevation fine adjustment device is arranged at the bottom end of the box girder template; the elevation fine-adjustment device comprises a bottom plate, wherein a first bolt is arranged on the bottom plate, a steel pipe and a first nut are sleeved on the first bolt, the bottom plate is placed on the supporting ground, the steel pipe is fixedly connected with the box girder template, the first nut is located between the steel pipe and the bottom plate and abuts against the box girder template, and the first nut is rotated to adjust the elevation of the box girder template.
Further, the outer die web of the box girder template is provided with a quick demoulding device, the quick demoulding device comprises two second channel steel, the two second channel steel are fixedly connected with the outer side face of the outer die web, a second nut is fixed between the two second channel steel, the outer die web is provided with a through hole matched with a second bolt, and the second bolt penetrates through the second nut and then stretches into the through hole.
Furthermore, one end of the second bolt extending into the through hole and the inner wall of the outer die web plate are positioned on the same plane; and rotating the second bolt to enable the second bolt to be abutted against the poured concrete so as to enable the box girder template to be separated from the concrete.
Furthermore, an outer die web plate of the box girder template is also provided with a main rib fixing device, and the main rib fixing device comprises a plurality of main rib fixing single bodies; each fixed main reinforcement monomer all includes two third channel-section steels and sleeve, and two third channel-section steels all with the lateral surface fixed connection of external mold web, fixed third nut between two third channel-section steels, external mold web be equipped with third nut assorted through-hole, the third bolt can dismantle with the sleeve and be connected in stretching into the sleeve after running through third nut, through-hole in proper order.
Furthermore, one end of the sleeve is open, and the other end is closed; the open end of the sleeve is attached to the inner wall of the outer die web, threads are arranged in the sleeve, and the third bolt is in threaded connection with the sleeve.
Furthermore, the fixed main reinforcement device also comprises positioning steel bars, and the outer walls of the plurality of fixed main reinforcement single bodies which are arranged in a straight line along the length direction of the box girder template and correspond to the sleeves are fixedly connected with the same positioning steel bars.
Furthermore, a plurality of fixed main reinforcement single bodies are arranged into a plurality of straight lines along the length direction of the box girder template, the plurality of straight lines correspond to a plurality of positioning reinforcing steel bars, and the plurality of positioning reinforcing steel bars are mutually overlapped in the height direction; and a plurality of web main reinforcements are uniformly placed along the length direction of the positioning reinforcements, and each web main reinforcement is vertically crossed with all the positioning reinforcements corresponding to the outer die web and bound with the positioning reinforcements.
Furthermore, the first nut is arranged on the rotating handle, and the number of the second nuts and the number of the third nuts are two.
Compared with the prior art, the utility model has the beneficial technical effects that:
(1) the utility model can adjust the elevation through the elevation fine adjustment device, and reduce the workload of adjusting the box girder template;
(2) the utility model can quickly separate the box girder template from the concrete by the reaction force between the second bolt in the quick demoulding device and the hardened concrete, and does not damage the concrete surface and edges;
(3) the utility model discloses a fixed main muscle device can make web owner muscle interval unanimous, and web owner muscle top surface elevation is unanimous, ensures that web owner muscle protective layer thickness is even.
Drawings
FIG. 1 is a front view of an improved box girder template according to the present embodiment;
FIG. 2 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 3 is an enlarged view of area A of FIG. 2;
FIG. 4 is a front view of an elevation vernier device;
FIG. 5 is a front view of the quick release device;
FIG. 6 is a side view of the quick release apparatus;
FIG. 7 is a front view of the anchor stud assembly;
fig. 8 is a side view of the device for securing the king wire.
In the figure: 1 elevation fine adjustment device, 11 bottom plates, 12 first bolts, 13 first nuts, 14 steel pipes, 2 quick demoulding devices, 21 second channel steel, 22 second nuts, 23 second bolts, 3 fixed main rib devices, 31 fixed main rib single bodies, 32 third channel steel, 33 third nuts, 34 third bolts, 35 positioning steel bars, 36 sleeves, 4 web main ribs and 5 outer die web plates.
Detailed Description
The invention will be further described with reference to specific examples, but the scope of the invention is not limited thereto.
As shown in fig. 1 to 8, in the modified box girder formwork of the present embodiment, an elevation fine-tuning device 1 is provided at the bottom end of the box girder formwork. The elevation fine-adjustment device 1 comprises a bottom plate 11, wherein the bottom plate 11 is provided with a first bolt 12, the first bolt 12 is sleeved with a steel pipe 14 and a first nut 13, the bottom plate 11 is placed on the supporting ground, the steel pipe 14 is fixedly connected with a box girder template, the first nut 13 is located between the steel pipe 14 and the bottom plate 11 and abuts against the box girder template, and the first nut 13 is rotated to adjust the elevation of the box girder template. The steel pipes 14 are welded to the box girder template. The height fine-adjustment device 1 corresponding to the box girder template is provided with a plurality of devices. When the first nut 13 moves upwards along the first bolt 12, the box girder template is jacked up, and the height of the box girder template is finely adjusted. When the first nut 13 moves downward along the first bolt 12, the height of the box girder template is reduced, and the height of the box girder template is finely adjusted. Therefore, in the embodiment, the elevation can be adjusted through the elevation fine adjustment device 1, and the workload of adjusting the box girder template is reduced.
Outer die web 5 of case beam template is equipped with quick demoulding device 2, and quick demoulding device 2 includes two second channel-section steels 21, two second channel-section steels 21 all with outer side fixed connection of outer die web 5, fixed second nut 22 between two second channel-section steels 21, outer die web 5 be equipped with second bolt 23 assorted through-hole, second bolt 23 runs through behind the second nut 22 and stretches into in the through-hole. One end of the second bolt 23 extending into the through hole is positioned on the same plane with the inner wall of the outer die web 5. And rotating the second bolt 23 to enable the second bolt 23 to be abutted against the poured concrete so as to enable the box girder template 5 to be separated from the concrete. When the box girder template is manufactured, firstly, through holes are arranged at corresponding positions of the outer die web 5. And then welding the two second channel steels 21 with the outer side surfaces of the outer die web plates 5, and installing the quick demoulding device 2 and the box girder template together. The distance between the second bolt 23 and the inner wall of the through hole is small and is only 4mm, so that a large amount of cement can be prevented from overflowing from the through hole during concrete pouring. The small amount of slurry overflowing the through-hole does not interfere with the mobility of the second bolt 23. During demolding, the second bolt 23 is manually screwed by a plate, so that the top surface of the second bolt 23 contacts with and is abutted against the concrete, and the box girder template is quickly separated from the poured concrete surface. Therefore, the present embodiment can rapidly separate the box girder formwork from the concrete by the reaction force of the second bolt 23 in the rapid demoulding device 2 and the hardened concrete, and does not cause damage to the concrete surface and the edges and corners.
The outer die web 5 of the box girder template is also provided with a main rib fixing device 3, and the main rib fixing device 3 comprises a plurality of main rib fixing monomers 31. Each fixed main rib single body 31 comprises two third channel steels 32 and a sleeve 36, the two third channel steels 32 are fixedly connected with the outer side surface of the outer die web 5, a third nut 33 is fixed between the two third channel steels 32, the outer die web 5 is provided with a through hole matched with the third nut 33, and a third bolt 34 sequentially penetrates through the third nut 33 and the through hole and then extends into the sleeve 36 to be detachably connected with the sleeve 36. The sleeve 36 is open at one end and closed at the other. The open end of the sleeve 36 is attached to the inner wall of the outer die web 5, threads are arranged in the sleeve 36, and the third bolt 34 is in threaded connection with the sleeve 36. The fixed main reinforcement device 3 further comprises positioning steel bars 35, and the outer walls of the plurality of fixed main reinforcement single bodies 31 corresponding to the sleeves 36, which are arranged in a straight line along the length direction of the box girder template, are fixedly connected with the same positioning steel bars 35.
After the concrete is poured, the positioning steel bars 35 and the sleeves 36 are embedded in the concrete and are not detachable, and the third channel steel 32, the third nuts 33 and the third bolts 34 can be detached. When the box girder template is manufactured, firstly, through holes corresponding to the third bolts 34 are formed in the corresponding positions of the outer die web 5. And then welding the third channel steel 32 with the outer side surface of the outer die web 5, and welding the positioning steel bars 35 with the sleeve 36.
The plurality of main fixing rib monomers 31 are arranged into a plurality of straight lines along the length direction of the box girder template, the plurality of straight lines correspond to the plurality of positioning steel bars 35, and the plurality of positioning steel bars 35 are mutually overlapped in the height direction; a plurality of web main reinforcements 4 are uniformly placed along the length direction of the positioning reinforcing steel bars 35, and all the positioning reinforcing steel bars 35 corresponding to each web main reinforcement 4 and the outer die web 5 are vertically crossed and bound with each other. The web main ribs 4 are connected with the positioning ribs 35 according to the height and the space required by design before being bound. After the concrete pouring is completed, the third bolt 34 is unscrewed from the sleeve 36 so as not to interfere with the removal of the box girder formwork. Therefore, this embodiment can make 4 intervals of web owner muscle unanimous through fixed owner muscle device 3, and 4 top surface elevations of web owner muscle are unanimous, ensure that 4 protective layer thickness of web owner muscle are even.
The distance between the third bolt 34 and the inner wall of the corresponding through hole is small, and is only 4mm, so that a large amount of cement can be prevented from overflowing from the through hole when the concrete is poured. The small spacing between the sleeves 36 and the inner wall of the outer mould web 5 prevents cement from entering the sleeves 36 during concrete casting. The small amount of grout entering the through bore and the sleeve 36 does not interfere with the mobility of the third bolt 34. To facilitate the rotation of the first nut 13, the first nut 13 is provided to the rotation handle. To enhance the stability of the second bolt 23, the second nut 22 is two. To enhance the stability of the third bolt 34, the number of the third nuts 33 is two.
The embodiments of the present invention have been described in detail, and those skilled in the art can easily understand that there are various changes in the embodiments according to the idea of the present invention, and such changes should be considered as the protection scope of the present invention.

Claims (8)

1. An improvement case roof beam template which characterized in that:
the bottom end of the box girder template is provided with an elevation fine adjustment device (1);
elevation micromatic setting (1) includes bottom plate (11), and bottom plate (11) is equipped with first bolt (12), and first bolt (12) cover is equipped with steel pipe (14) and first nut (13), and bottom plate (11) are placed in supporting ground, steel pipe (14) and case roof beam template fixed connection, and first nut (13) are located between steel pipe (14) and bottom plate (11) and offset with case roof beam template, and rotatory first nut (13) are in order to adjust case roof beam template elevation.
2. The improved box girder formwork of claim 1, wherein: outer die web (5) of case roof beam template are equipped with quick demoulding device (2), quick demoulding device (2) include two second channel-section steels (21), two second channel-section steels (21) all with the lateral surface fixed connection of outer die web (5), fixed second nut (22) between two second channel-section steels (21), outer die web (5) be equipped with second bolt (23) assorted through-hole, second bolt (23) run through behind second nut (22) stretch into in the through-hole.
3. The improved box girder formwork of claim 2, wherein: one end of the second bolt (23) extending into the through hole is positioned on the same plane with the inner wall of the outer die web plate (5); and rotating the second bolt (23) to enable the second bolt (23) to be abutted against the poured concrete so as to enable the outer die web plate (5) to be separated from the concrete.
4. The improved box girder formwork of claim 2, wherein:
the outer die web (5) of the box girder template is also provided with a main rib fixing device (3), and the main rib fixing device (3) comprises a plurality of main rib fixing single bodies (31);
each fixed main rib monomer (31) comprises two third channel steel (32) and a sleeve (36), the two third channel steel (32) are fixedly connected with the outer side face of an outer die web (5), a third nut (33) is fixed between the two third channel steel (32), the outer die web (5) is provided with a through hole matched with the third nut (33), and a third bolt (34) sequentially penetrates through the third nut (33) and the through hole and then extends into the sleeve (36) to be detachably connected with the sleeve (36).
5. The improved box girder formwork of claim 4, wherein: one end of the sleeve (36) is open, and the other end is closed; the open end of the sleeve (36) is attached to the inner wall of the outer die web (5), threads are arranged in the sleeve (36), and the third bolt (34) is in threaded connection with the sleeve (36).
6. An improved box girder template according to claim 4 or 5, wherein:
the fixed main reinforcement device (3) further comprises positioning steel bars (35), and the outer walls of the plurality of fixed main reinforcement single bodies (31) which are arranged in a straight line along the length direction of the box girder template and correspond to the sleeves (36) are fixedly connected with the same positioning steel bars (35).
7. The improved box girder formwork of claim 6, wherein:
the fixed main reinforcement single bodies (31) are arranged into a plurality of straight lines along the length direction of the box girder template, the straight lines correspond to the positioning reinforcing steel bars (35), and the positioning reinforcing steel bars (35) are mutually overlapped in the height direction; a plurality of web main reinforcements (4) are uniformly placed along the length direction of the positioning reinforcing steel bars (35), and all the positioning reinforcing steel bars (35) corresponding to each web main reinforcement (4) and the outer die web (5) are vertically crossed and bound with each other.
8. The improved box girder formwork of claim 4, wherein: the first nut (13) is arranged on the rotating handle, and the number of the second nuts (22) and the number of the third nuts (33) are two.
CN201922432459.XU 2019-12-30 2019-12-30 Improved box girder template Active CN211646027U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922432459.XU CN211646027U (en) 2019-12-30 2019-12-30 Improved box girder template

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922432459.XU CN211646027U (en) 2019-12-30 2019-12-30 Improved box girder template

Publications (1)

Publication Number Publication Date
CN211646027U true CN211646027U (en) 2020-10-09

Family

ID=72700818

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922432459.XU Active CN211646027U (en) 2019-12-30 2019-12-30 Improved box girder template

Country Status (1)

Country Link
CN (1) CN211646027U (en)

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