CN219174979U - Steel box girder wood combination structure - Google Patents
Steel box girder wood combination structure Download PDFInfo
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- CN219174979U CN219174979U CN202223182555.1U CN202223182555U CN219174979U CN 219174979 U CN219174979 U CN 219174979U CN 202223182555 U CN202223182555 U CN 202223182555U CN 219174979 U CN219174979 U CN 219174979U
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Abstract
The utility model provides a steel box girder wood combination structure; comprises an arc-shaped plate and a bottom die unit; the arc plates are arranged at two sides of the bottom die unit; the bottom die unit comprises two first H-shaped steels, a plurality of adjusting mechanisms, a primary and secondary ridge and a batten; the adjusting mechanisms are connected to the first H-shaped steel in a sliding manner, are arranged at intervals, and can be fixed on the first H-shaped steel through bolts; the adjusting mechanism comprises a top plate and a sliding block; the top plate is made of steel; the cross section of the top plate is U-shaped, the front end and the rear end of the top plate are T-shaped, the primary and secondary edges are erected on the top plate, and the top ends of the primary and secondary edges are fixed with plywood; the sliding blocks are fixedly connected to the bottom surfaces of the front end and the rear end of the top plate and are connected to the upper part of the first H-shaped steel in a sliding manner; the wood squares are arranged at the T-shaped end parts at the front end and the rear end of the adjacent top plate, and the front side and the rear side of the wood Fang Guding plywood are positioned; the utility model solves the problem that the primary and secondary edges with poor wood quality are seriously deformed in the pouring process.
Description
Technical Field
The utility model relates to the technical field of bridge construction templates, in particular to a steel box girder wood combined structure.
Background
The box girder is a commonly used structure of a large-span bridge, is one of the middle girders of bridge engineering, is hollow in the interior, and is provided with flanges at two sides of the upper part; the box girder of the reinforced concrete structure is divided into a prefabricated box girder and a cast-in-situ box girder, wherein the cast-in-situ box girder is mostly used for large continuous bridges or areas where the topography of the engineering is unfavorable for transporting the prefabricated box girder;
in the construction process of the cast-in-situ box girder, each template component is transported to a construction site for assembly and assembly; the box girder template comprises a bottom die and arc steel dies, and the arc steel dies are assembled on two sides of the bottom die; the surface of the bottom die is paved by using a plywood, and the plywood is fixed on the primary and secondary edges of the bottom die; the primary and secondary ridges are made of wood, and corresponding interval requirements exist among the primary and secondary ridges of the bottom die; however, in the actual construction process, the number of the main and secondary edges is large, and the overall spacing quality control and construction period between the main and secondary edges are required to be balanced; when a constructor uses tools such as a tape measure to place the primary and secondary edges, the construction time of the primary and secondary edges on the bottom die is longer, and the construction period is influenced; the primary secondary edge with poor wood quality is seriously deformed in the pouring process, and the poured concrete has a mold expansion phenomenon.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides a steel box girder wood combination structure, which solves the problem that a main secondary edge with poor wood quality is seriously deformed in the pouring process.
According to an embodiment of the utility model, the steel box girder wood combination structure comprises an arc plate and a bottom die unit; the arc plates are arranged at two sides of the bottom die unit; the bottom die unit comprises two first H-shaped steels, a plurality of adjusting mechanisms and a primary and secondary rib; the adjusting mechanisms are connected to the first H-shaped steel in a sliding manner, are arranged at intervals, and can be fixed on the first H-shaped steel through bolts; the adjusting mechanism comprises a top plate, the primary and secondary edges are arranged on the top plate, and plywood is fixed at the top end of the primary and secondary edges.
The technical principle of the utility model is as follows: the box girder concrete is poured on the plywood, and the main secondary edge and the top plate bear the gravity of the concrete; the primary and secondary edges are arranged on the top plate, namely the top plate is arranged below the primary and secondary edges, so that the top plate has higher rigidity, and the stress deformation degree of the primary and secondary edges is ensured to be in a normal range; when the distance between the primary and secondary ribs needs to be adjusted, constructors fix the adjusting mechanism on the first H-shaped steel through bolts after the positions of the first H-shaped steel sliding adjusting mechanism are adjusted in place.
Compared with the prior art, the utility model has the following beneficial effects: the primary and secondary edges are arranged on the top plate, the bottoms of the primary and secondary edges are supported, the top plate is high in rigidity, the primary and secondary edges are small in stress deformation, and the cast concrete cannot be subjected to die expansion; the problem that the primary and secondary edges with poor wood quality are seriously deformed in the pouring process is solved; and the distance between the primary and secondary ridges can be adjusted by the adjusting mechanism, so that the method is suitable for the requirements of bottom dies with different sizes on the distance between the primary and secondary ridges, and has a wider application range.
Preferably, the bottom die unit further comprises a wood block; the adjusting mechanism also comprises a sliding block; the cross section of the top plate is U-shaped, the front end and the rear end of the top plate are T-shaped, and the primary and secondary edges are erected on the top plate; the sliding blocks are fixedly connected to the bottom surfaces of the front end and the rear end of the top plate and are connected to the upper part of the first H-shaped steel in a sliding manner; the battens are arranged at the T-shaped end parts of the front end and the rear end of the adjacent top plate.
By adopting the technical scheme, the method has the advantages that: the sliding block is connected to the upper part of the first H-shaped steel in a sliding way, and the adjusting mechanism can slide on the first H-shaped steel; the front end and the rear end of the top plate are T-shaped to provide a connection position of the battens; the plywood is usually rectangular, and the square and the primary and secondary edges are matched to fix the four sides of the plywood.
Preferably, the left side and the right side of the first H-shaped steel are fixedly connected with second H-shaped steel, a plurality of reinforced section steel are vertically arranged between the two first H-shaped steel, and the middle part of the top end of the reinforced section steel is fixedly connected with a scale plate; and square steel pipes are vertically arranged on the second H-shaped steel.
By adopting the technical scheme, the method has the advantages that: the first H-shaped steel and the second H-shaped steel are matched to form an integral frame, and the reinforced steel is used for supporting the integral frame; the scale plate is provided with scales, so that constructors can conveniently judge the distance between the primary and secondary edges when the sliding adjusting mechanism is used, and the primary and secondary edges are quickly paved.
Preferably, openings are formed in the front side and the rear side of the bottom of the arc-shaped plate, and a guide is fixedly connected in the openings; one side of the bottom of the arc-shaped plate is fixedly connected with a baffle, the steel pipe is arranged in the guide, and the second H-shaped steel is detachably connected with the baffle.
By adopting the technical scheme, the method has the advantages that: aligning the steel pipe with the guide when the bottom die unit is installed, and sliding the steel pipe into the guide; the second H-shaped steel can be aligned with the baffle, constructors fix the second H-shaped steel with the baffle, and the bottom die unit is fixed on the arc-shaped plate.
Preferably, the device further comprises an adjusting bolt; strip-shaped holes are uniformly formed in one side of the first H-shaped steel; the shoulder hole has transversely been seted up at the slider middle part, and adjusting bolt sets up in shoulder hole and bar downthehole.
By adopting the technical scheme, the method has the advantages that: the bar hole has certain length, and adjusting bolt sets up in shoulder hole and bar downthehole, and the slider is adjusted in the bar hole scope on first H shaped steel.
Preferably, the vertical section of the guide is U-shaped, the bottom of the guide is a bottom plate, and the steel pipe is arranged above the bottom plate.
By adopting the technical scheme, the method has the advantages that: the position of the second H-shaped steel on the baffle plate can be positioned after the steel pipe slides into the guide device; when the bottom die unit is installed, the bottom plate supports the bottom die unit.
Drawings
Fig. 1 is a schematic structural view of a steel box girder wood bonding structure according to an embodiment of the present utility model;
FIG. 2 is a cross-sectional view taken along the A-A plane of FIG. 1;
FIG. 3 is a partial view in the direction B of FIG. 1;
FIG. 4 is a schematic view of the top plate of FIG. 1;
fig. 5 is a schematic diagram of the overall casting of a box girder.
In the above figures: arc 1, director 2, bottom plate 201, steel pipe 4, second H shaped steel 5, reinforcing steel 6, scale plate 7, first H shaped steel 8, bar hole 801, adjusting bolt 9, roof 10, primary and secondary stupefied 11, plywood 12, slider 13, square lumber 14, baffle 15, case roof beam 16.
Detailed Description
The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1 to 5, the steel box girder wood combination structure comprises an arc-shaped plate 1 and a bottom die unit; the arc-shaped plate 1 is an arc-shaped steel plate; the arc-shaped plates 1 are arranged at two sides of the bottom die unit; the bottom die unit comprises two first H-shaped steels, a plurality of adjusting mechanisms, a primary and secondary rib 11 and a batten 14; the adjusting mechanisms are connected to the first H-shaped steel in a sliding manner, are arranged at intervals, and can be fixed on the first H-shaped steel through bolts; the adjusting mechanism comprises a top plate 10 and a sliding block 13; the top plate 10 is made of steel; the cross section of the top plate 10 is U-shaped, the front end and the rear end of the top plate 10 are T-shaped, a primary and secondary ridge 11 is erected on the top plate 10, and a plywood 12 is fixed at the top end of the primary and secondary ridge 11; the sliding blocks 13 are fixedly connected to the bottom surfaces of the front end and the rear end of the top plate 10, and the sliding blocks 13 are slidably connected to the upper parts of the first H-shaped steel; the battens 14 are arranged at the T-shaped end parts of the front end and the rear end of the adjacent top plate 10, and the battens 14 fix the positions of the front side and the rear side of the plywood 12; the top surfaces of the two ends of the primary secondary ridge 11 are provided with first fixed table tops, and the bottom surfaces of the two ends of the batten 14 are provided with second fixed table tops; the primary and secondary ridges 11 on the adjacent bottom die units are aligned with each other, and the second fixed table top is arranged above the first fixed table top. The sliding block 13 is connected to the upper part of the first H-shaped steel in a sliding way, and the adjusting mechanism can slide on the first H-shaped steel; the front end and the rear end of the top plate 10 are T-shaped to provide a connection position of the battens 14; the plywood 12 is usually rectangular, and the battens 14 and the primary and secondary ribs 11 are matched to fix the four sides of the plywood 12.
As shown in fig. 1 and 2: the left side and the right side of the first H-shaped steel are fixedly connected with second H-shaped steel, a plurality of reinforced steel sections 6 are vertically arranged between the two first H-shaped steel, the middle part of the top end of the reinforced steel section 6 is fixedly connected with a scale plate 7, and the reinforced steel sections 6 are H-shaped steel; and a square steel pipe 4 is vertically arranged on the second H-shaped steel, and two ends of the square steel pipe 4 are flush with the second H-shaped steel. The first H-shaped steel and the second H-shaped steel are matched to form an integral frame, and the reinforced steel 6 is used for supporting the integral frame; the scale plate 7 is provided with scales, so that constructors can conveniently judge the distance between the primary and secondary ridges 11 when the sliding adjusting mechanism is used, and the primary and secondary ridges 11 are rapidly paved.
As shown in fig. 1 and 3: openings are formed in the front side and the rear side of the bottom of the arc-shaped plate 1, and a guide device 2 is fixedly connected in the openings; the top surface of the bottom of the arc-shaped plate 1 is provided with a ladder, two ends of the plywood 12 are tightly attached to the ladder, and the plywood 12 is level with the ladder in height; a baffle 15 is fixedly connected to one side of the bottom of the arc-shaped plate 1, the steel pipe 4 is arranged in the guide 2, and the second H-shaped steel is detachably connected with the baffle 15; the vertical section of the guide device 2 is U-shaped, the bottom of the guide device 2 is a bottom plate 201, and the steel pipe 4 is arranged above the bottom plate 201.
When the bottom die unit is installed, the steel pipe 4 is aligned with the guide 2, and the steel pipe 4 slides into the guide 2, namely, the position of the second H-shaped steel on the baffle 15 is positioned; the second H-shaped steel can be aligned with the baffle 15, constructors fix the second H-shaped steel with the baffle 15, and the bottom die unit is fixed on the arc-shaped plate 1; when the bottom die unit is installed, the bottom plate 201 supports the bottom die unit.
As shown in fig. 1 and 2: also comprises an adjusting bolt 9; strip-shaped holes 801 are uniformly formed in one side of the first H-shaped steel; the middle part of the sliding block 13 is transversely provided with a stepped hole, and the adjusting bolt 9 is arranged in the stepped hole and the strip-shaped hole 801; the head of the adjusting bolt 9 is arranged in the stepped hole, and the head of the adjusting bolt 9 is not exposed out of the stepped hole. The bar-shaped hole 801 has a certain length, the adjusting bolt 9 is arranged in the stepped hole and the bar-shaped hole 801, and the sliding block 13 is adjusted in the range of the bar-shaped hole 801 on the first H-shaped steel.
The technical principle of the utility model is as follows: the box girder 16 is concreted on the plywood 12, and the main secondary edge 11 and the top plate 10 bear the gravity of the concrete; the primary and secondary ribs 11 are arranged on the top plate 10, namely the top plate 10 is arranged below the primary and secondary ribs 11, the top plate 10 has higher rigidity, and the stress deformation degree of the primary and secondary ribs 11 is ensured to be in a normal range; when the distance between the primary and secondary ribs 11 needs to be adjusted, constructors fix the adjusting mechanism on the first H-shaped steel through bolts after the positions of the first H-shaped steel sliding adjusting mechanisms are adjusted in place.
Compared with the prior art, the utility model has the following beneficial effects: the primary secondary edge 11 is arranged on the top plate 10, the bottom of the primary secondary edge 11 is supported, the top plate 10 is higher in rigidity, the primary secondary edge 11 is smaller in stress deformation, and the cast concrete cannot be subjected to a mold expansion phenomenon; the problem that the primary and secondary ribs 11 with poor wood quality are seriously deformed in the pouring process is solved; and the distance between the primary and secondary ribs 11 can be adjusted by an adjusting mechanism, so that the method is suitable for the requirements of bottom dies with different sizes on the distance between the primary and secondary ribs 11, and has a wider application range.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (6)
1. Steel case roof beam wood integrated configuration, its characterized in that: comprises an arc-shaped plate and a bottom die unit; the arc plates are arranged at two sides of the bottom die unit; the bottom die unit comprises two first H-shaped steels, a plurality of adjusting mechanisms and a primary and secondary rib; the adjusting mechanisms are connected to the first H-shaped steel in a sliding manner, are arranged at intervals, and can be fixed on the first H-shaped steel through bolts; the adjusting mechanism comprises a top plate, the primary and secondary edges are arranged on the top plate, and plywood is fixed at the top end of the primary and secondary edges.
2. The steel box girder wood bonding structure according to claim 1, wherein: the bottom die unit also comprises a batten; the adjusting mechanism also comprises a sliding block; the cross section of the top plate is U-shaped, the front end and the rear end of the top plate are T-shaped, and the primary and secondary edges are erected on the top plate; the sliding blocks are fixedly connected to the bottom surfaces of the front end and the rear end of the top plate and are connected to the upper part of the first H-shaped steel in a sliding manner; the battens are arranged at the T-shaped end parts of the front end and the rear end of the adjacent top plate.
3. The steel box girder wood bonding structure according to claim 2, wherein: the left side and the right side of the first H-shaped steel are fixedly connected with second H-shaped steel, a plurality of reinforced section steel are vertically arranged between the two first H-shaped steel, and the middle part of the top end of the reinforced section steel is fixedly connected with a scale plate; and square steel pipes are vertically arranged on the second H-shaped steel.
4. A steel box girder wood bonding structure according to claim 3, wherein: openings are formed in the front side and the rear side of the bottom of the arc-shaped plate, and a guide device is fixedly connected in the openings; one side of the bottom of the arc-shaped plate is fixedly connected with a baffle, the steel pipe is arranged in the guide, and the second H-shaped steel is detachably connected with the baffle.
5. The steel box girder wood bonding structure according to claim 4, wherein: the device also comprises an adjusting bolt; strip-shaped holes are uniformly formed in one side of the first H-shaped steel; the shoulder hole has transversely been seted up at the slider middle part, and adjusting bolt sets up in shoulder hole and bar downthehole.
6. The steel box girder wood bonding structure according to claim 5, wherein: the vertical cross section of the guide is U-shaped, the bottom of the guide is a bottom plate, and the steel pipe is arranged above the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223182555.1U CN219174979U (en) | 2022-11-29 | 2022-11-29 | Steel box girder wood combination structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223182555.1U CN219174979U (en) | 2022-11-29 | 2022-11-29 | Steel box girder wood combination structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219174979U true CN219174979U (en) | 2023-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223182555.1U Active CN219174979U (en) | 2022-11-29 | 2022-11-29 | Steel box girder wood combination structure |
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| CN (1) | CN219174979U (en) |
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- 2022-11-29 CN CN202223182555.1U patent/CN219174979U/en active Active
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