CN214187662U - Steel beam top surface fabrication hole structure - Google Patents

Steel beam top surface fabrication hole structure Download PDF

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Publication number
CN214187662U
CN214187662U CN202022065362.2U CN202022065362U CN214187662U CN 214187662 U CN214187662 U CN 214187662U CN 202022065362 U CN202022065362 U CN 202022065362U CN 214187662 U CN214187662 U CN 214187662U
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China
Prior art keywords
steel beam
beam top
holes
plate
fabrication hole
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CN202022065362.2U
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Chinese (zh)
Inventor
李玉军
曹保利
朱丰军
王志春
何占江
张亚军
郜启卫
刘宗孝
杨钦峰
李志洋
叶子阳
夏兴顺
张军
刘好
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China Railway Tunnel Group Co Ltd CRTG
CRTG Road and Bridge Engineering Co Ltd
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China Railway Tunnel Group Co Ltd CRTG
CRTG Road and Bridge Engineering Co Ltd
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Priority to CN202022065362.2U priority Critical patent/CN214187662U/en
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Abstract

The application relates to the technical field of bridge construction, in particular to a steel beam top surface fabrication hole structure which comprises U ribs and a steel beam top plate, wherein the U ribs are fixedly connected to the bottom surface of the steel beam top plate, the U ribs are arranged in a plurality and are uniformly arranged at intervals, fabrication holes are formed in the positions, located between the U ribs, of the steel beam top plate and are communicated with the fabrication holes, the stress of the steel beam top plate between the U ribs is small, the fabrication holes are formed, the ventilation effect can be effectively enhanced, when welding is facilitated, toxic gas generated by welding is timely discharged from the fabrication holes, the density of the toxic gas is reduced, and the invasion of the toxic gas to a human body is weakened; meanwhile, the process hole is convenient for the welding machine to extend into, and the welding convenience is improved. This application has the effect that ventilates when improving the construction.

Description

Steel beam top surface fabrication hole structure
Technical Field
The application relates to the field of bridge construction, in particular to a steel beam top surface fabrication hole structure.
Background
The single-box double-chamber bridge is researched and developed on the single-box single-chamber bridge concrete prefabricated inner and outer die forming technology and is widely applied to the bridge construction aspect.
The existing Chinese patent with reference to publication number CN102975279B discloses a deviation rectifying structure for a single-box double-chamber bridge prefabrication forming inner mold capable of restraining center of gravity deviation of the inner mold, wherein two ends of an upper longitudinal beam of the inner mold are respectively and fixedly connected with an end cross beam, a pair of vertical sliding holes respectively positioned on the left side and the right side of the upper longitudinal beam are arranged on the end cross beam, the pair of vertical sliding holes are slidably connected onto a pair of stand columns, the stand columns are mutually and rigidly connected to form a step sliding sleeve, an overhanging cross beam is arranged at the bottom of each stand column along the transverse extension of the beam, a pair of lifting oil cylinders are vertically arranged on the outer side of each vertical sliding hole, one end of each lifting oil cylinder is connected with the end cross beam, the other end of each lifting oil cylinder is connected with the step sliding sleeve through the overhanging cross beam, the stand columns of the step sliding sleeve are not separated from the vertical sliding holes all the time, and the specifications and the intervals of reinforcing rib plates distributed on an inner side template and an outer side template of the inner mold are different. The invention solves the technical problem of inner mold eccentricity, and has the advantages of lower cost, reliable structure, high automation degree, safe construction and convenient operation.
In view of the above-mentioned related art, the inventor believes that the single-box double-chamber has a substantially closed space inside, and has a defect of poor ventilation effect.
SUMMERY OF THE UTILITY MODEL
In order to improve the ventilation effect during construction, this application provides a girder steel top surface fabrication hole structure.
The application provides a girder steel top surface fabrication hole structure adopts following technical scheme:
the utility model provides a girder steel top surface fabrication hole structure, includes U rib and girder steel roof, U rib fixed connection in girder steel roof bottom surface, and the U rib is provided with a plurality ofly, and the even interval setting of a plurality of U ribs, and the girder steel roof is located position department between the U rib and has seted up the fabrication hole, and the fabrication hole link up the setting.
By adopting the technical scheme, the plurality of U ribs are fixedly connected to the bottom surface of the steel beam top plate, the stress of the steel beam top plate between the U ribs is small, the fabrication holes are formed, the ventilation effect can be effectively enhanced, and the toxic gas generated by welding can be conveniently discharged from the fabrication holes in time during welding, so that the density of the toxic gas is reduced, and the invasion of the toxic gas to a human body is weakened; meanwhile, the process hole is convenient for the welding machine to extend into, and the welding convenience is improved.
Preferably, the process holes are arranged in a plurality, and the process holes are uniformly arranged at intervals.
By adopting the technical scheme, the plurality of process holes are uniformly arranged at intervals, so that the gravity of the steel beam top plate is uniformly distributed, the balance of the steel beam top plate is improved, the balance of the whole bridge is improved, and meanwhile, the ventilation effect of the process holes is more balanced; meanwhile, the material is conveniently conveyed from the fabrication hole, the construction efficiency is improved, and the best use effect is achieved.
Preferably, the fabrication holes are kidney-shaped holes.
Through adopting above-mentioned technical scheme, the fabrication hole is waist type hole setting, and the middle part is the rectangular hole promptly, and the both ends of rectangular hole are the semicircular hole tangent with the rectangular hole, have increased the area of fabrication hole, and waist type hole is convenient for adapt to carry the material of different shapes, improves the convenience of carrying the material and the efficiency of construction, reaches best result of use.
Preferably, the top surface of the steel beam top plate is fixedly connected with a reinforcing plate, and the reinforcing plate is arranged at the edge of the fabrication hole.
By adopting the technical scheme, the strength of the edge of the fabrication hole is low and easy to damage, the reinforcing plate is arranged at the edge of the fabrication hole, the strength of the edge of the fabrication hole can be effectively enhanced, when materials are conveyed from the fabrication hole, the materials are prevented from damaging the edge of the fabrication hole, the protection of the fabrication hole can be effectively improved, and the best use effect is achieved.
Preferably, the bottom surface of the steel beam top plate is provided with an auxiliary plate opposite to the reinforcing plate, the reinforcing plate is provided with a plurality of communicating holes, the steel beam top plate is provided with positioning holes opposite to the communicating holes, the communicating holes are in threaded connection with fixing bolts, and the fixing bolts penetrate through the communicating holes, the positioning holes and the auxiliary plate and are fixed.
By adopting the technical scheme, the auxiliary plate is conveyed to the bottom surface of the steel beam top plate from the process hole, the fixing bolt penetrates through the communicating hole, the positioning hole and the auxiliary plate and is screwed and fixed, the auxiliary plate is fixed on the bottom surface of the steel beam top plate and is arranged at the edge of the process hole, the process hole is positioned between the reinforcing plate and the auxiliary plate, the strength of the process hole is further improved, and the protection performance of the process hole is improved.
Preferably, the auxiliary plate is provided in half.
Through adopting above-mentioned technical scheme, when the installation fixed plate, the accessory plate sets up half-and-half, and the accessory plate of being convenient for passes the bottom surface of arranging the girder steel roof in from the fabrication hole, fixes with fixing bolt afterwards, has avoided the accessory plate card to carry downwards in the fabrication hole, and the fixing bolt of also being convenient for simultaneously screws fixedly, has improved the convenience of installation.
Preferably, one side of the auxiliary plate, which is close to the steel beam top plate, is fixedly connected with a convex edge, the steel beam top plate is provided with a groove opposite to the convex edge, and the convex edge is inserted into the groove and is clamped with the groove.
By adopting the technical scheme, when the auxiliary plate is arranged on the bottom surface of the steel beam top plate, the convex edges of the auxiliary plate are inserted into the grooves in the bottom surface of the steel beam top plate, the auxiliary plate is limited in the direction parallel to the steel beam top plate, the auxiliary plate is prevented from being misplaced, the mounting stability of the auxiliary plate is improved, and the best use effect is achieved.
Preferably, the edges of the reinforcing plate and the auxiliary plate close to the center of the process hole are arranged in a chamfer shape.
By adopting the technical scheme, the edges of the reinforcing plate and the auxiliary plate are arranged in a chamfer shape, so that the sharpness of the edges is weakened, the edges are smoother, and when the auxiliary plate is installed, the injury to a human body, such as scratch, is reduced by the chamfer-shaped edges; meanwhile, when the material is conveyed from the fabrication hole, the scratch to the material is reduced, and the protection to the human body and the material is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the ventilation effect during construction is improved by arranging the fabrication holes;
2. the reinforcing plate and the auxiliary plate are arranged, so that the effect of improving the protection of the process hole is achieved;
3. by providing the ribs, an effect of improving the fixing stability of the auxiliary plate is produced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present application;
FIG. 2 is an enlarged view at A in FIG. 1;
fig. 3 is an exploded view highlighting the auxiliary plate.
Description of reference numerals: 1. a U-rib; 2. a steel beam top plate; 21. positioning holes; 3. a fabrication hole; 4. a reinforcing plate; 41. a communicating hole; 5. fixing the bolt; 6. an auxiliary plate; 61. a rib; 62. and (4) a groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses girder steel top surface fabrication hole structure. Referring to fig. 1, the steel beam top surface fabrication hole structure comprises U ribs 1 and a steel beam top plate 2, wherein the U ribs 1 are fixedly connected to the bottom surface of the steel beam top plate 2, a plurality of U ribs 1 are arranged, the U ribs 1 are uniformly arranged at intervals, fabrication holes 3 are formed in the positions, located between the U ribs 1, of the steel beam top plate 2, and the fabrication holes 3 are arranged in a penetrating mode; the plurality of U ribs 1 are fixedly connected to the bottom surface of the steel beam top plate 2, the stress of the steel beam top plate 2 between the U ribs 1 is small, the fabrication holes 3 are formed, the ventilation effect can be effectively enhanced through the fabrication holes 3, and therefore, when welding is conducted, toxic gas generated by welding can be discharged from the fabrication holes 3 in time, the density of the toxic gas is reduced, and the invasion of the toxic gas to a human body is weakened; meanwhile, the process hole 3 is convenient for the welding machine to extend into, and the welding convenience is improved.
Referring to fig. 2, a plurality of process holes 3 are provided, and the plurality of process holes 3 are uniformly spaced; the plurality of fabrication holes 3 are uniformly arranged at intervals, so that the gravity of the steel beam top plate 2 is uniformly distributed, the balance of the steel beam top plate 2 is improved, the overall balance of the bridge is improved, and meanwhile, the ventilation effect of the fabrication holes 3 is more balanced; meanwhile, the material is conveniently conveyed from the fabrication hole 3, and the construction efficiency is improved. The fabrication holes 3 are waist-shaped holes, namely, the middle parts of the fabrication holes are rectangular holes, and the two ends of each rectangular hole are semicircular holes tangent to the rectangular holes, so that the area of the fabrication holes 3 is increased, the waist-shaped holes are convenient to adapt to conveying materials of different shapes, the convenience of conveying the materials and the construction efficiency are improved, and the best use effect is achieved.
Referring to fig. 3, a reinforcing plate 4 is fixedly connected to the top surface of the steel beam top plate 2, and the reinforcing plate 4 is arranged at the edge of the fabrication hole 3. The strength of the edge of the fabrication hole 3 is small and easy to damage, the reinforcing plate 4 is arranged at the edge of the fabrication hole 3, the strength of the edge of the fabrication hole 3 can be effectively enhanced, when materials are conveyed from the fabrication hole 3, the materials are prevented from damaging the edge of the fabrication hole 3, the protection of the fabrication hole 3 can be effectively improved, and the best use effect is achieved. An auxiliary plate 6 is arranged at the position, opposite to the reinforcing plate 4, of the bottom surface of the steel beam top plate 2, a plurality of communicating holes 41 are formed in the reinforcing plate 4, positioning holes 21 are formed at the position, opposite to the communicating holes 41, of the steel beam top plate 2, fixing bolts 5 are connected to the communicating holes 41 in a threaded mode, and the fixing bolts 5 penetrate through the communicating holes 41, the positioning holes 21 and the auxiliary plate 6 and are fixed; the auxiliary plate 6 is conveyed to the bottom surface of the steel beam top plate 2 from the fabrication hole 3, the fixing bolt 5 penetrates through the communication hole 41, the positioning hole 21 and the auxiliary plate 6 and is screwed and fixed, the auxiliary plate 6 is fixed to the bottom surface of the steel beam top plate 2 and is arranged at the edge of the fabrication hole 3, the fabrication hole 3 is located between the reinforcing plate 4 and the auxiliary plate 6, the strength of the fabrication hole 3 is further improved, and the protection performance of the fabrication hole 3 is improved.
Referring to fig. 3, the auxiliary plate 6 is arranged in half and half, when the fixing plate is installed, the auxiliary plate 6 is arranged in half and half, so that the auxiliary plate 6 penetrates through the bottom surface of the steel beam top plate 2 from the fabrication hole 3 and is fixed by the fixing bolt 5, the auxiliary plate 6 is prevented from being clamped in the fabrication hole 3 and cannot be conveyed downwards, meanwhile, the fixing bolt 5 is convenient to screw and fix, and the installation convenience is improved. A rib 61 is fixedly connected to one side, close to the steel beam top plate 2, of the auxiliary plate 6, a groove 62 is formed in the position, opposite to the rib 61, of the steel beam top plate 2, and the rib 61 is inserted into the groove 62 and clamped with the groove 62; when the auxiliary plate 6 is installed on the bottom surface of the steel beam top plate 2, the convex ribs 61 of the auxiliary plate 6 are inserted into the grooves 62 on the bottom surface of the steel beam top plate 2, the auxiliary plate 6 is limited in the direction parallel to the steel beam top plate 2, the auxiliary plate 6 is prevented from being misplaced, the installation stability of the auxiliary plate 6 is improved, and the best use effect is achieved.
Referring to fig. 3, the edges of the reinforcing plate 4 and the auxiliary plate 6 close to the center of the process hole 3 are arranged in a chamfer shape, so that the sharpness of the edges is weakened, the edges are smoother, and when the auxiliary plate 6 is installed, the injury to a human body, such as scratch, is reduced due to the chamfer-shaped edges; meanwhile, when the material is conveyed from the fabrication hole 3, the scratch to the material is reduced, and the protection to the human body and the material is improved.
The implementation principle of a girder steel top surface fabrication hole structure of this application embodiment does: the steel beam top plate 2 between the U ribs 1 is communicated with and provided with the process holes 3, the process holes 3 are arranged at a plurality of and even intervals, the process holes 3 are arranged in waist-shaped holes, the reinforcing plate 4 is fixedly connected to the top surface of the steel beam top plate 2 and located at the edge position of the process holes 3, the auxiliary plate 6 penetrates through the process holes 3 and is arranged on the bottom surface of the steel beam top plate 2, the convex ribs 61 of the auxiliary plate 6 are inserted into the grooves 62 in the bottom surface of the steel beam top plate 2, the fixing stability of the auxiliary plate 6 is improved, and the fixing bolts 5 penetrate through the communicating holes 41 and the positioning holes 21 in the reinforcing plate 4 to fix the auxiliary plate 6.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a girder steel top surface fabrication hole structure, includes U rib (1) and girder steel roof (2), U rib (1) fixed connection in girder steel roof (2) bottom surface, and U rib (1) are provided with a plurality ofly, and a plurality of U rib (1) even interval sets up its characterized in that: the steel beam top plate (2) is positioned between the U ribs (1) and provided with the fabrication holes (3), and the fabrication holes (3) are arranged in a penetrating manner.
2. The steel beam top surface fabrication hole structure of claim 1, wherein: the plurality of the process holes (3) are arranged, and the plurality of the process holes (3) are uniformly arranged at intervals.
3. The steel beam top surface fabrication hole structure of claim 1, wherein: the fabrication hole (3) is a waist-shaped hole.
4. The steel beam top surface fabrication hole structure of claim 1, wherein: the top surface rigid coupling of girder steel roof (2) has reinforcing plate (4), and the fabrication hole (3) border position department is arranged in reinforcing plate (4).
5. The steel beam top surface fabrication hole structure of claim 4, wherein: the auxiliary plate (6) is arranged at the position, opposite to the reinforcing plate (4), of the bottom surface of the steel beam top plate (2), a plurality of communicating holes (41) are formed in the reinforcing plate (4), positioning holes (21) are formed at the position, opposite to the communicating holes (41), of the steel beam top plate (2), the communicating holes (41) are in threaded connection with fixing bolts (5), and the fixing bolts (5) penetrate through the communicating holes (41), the positioning holes (21) and the auxiliary plate (6) and are fixed.
6. The steel beam top surface fabrication hole structure of claim 5, wherein: the auxiliary plate (6) is arranged in half.
7. The steel beam top surface fabrication hole structure of claim 6, wherein: a rib (61) is fixedly connected to one side, close to the steel beam top plate (2), of the auxiliary plate (6), a groove (62) is formed in the position, opposite to the rib (61), of the steel beam top plate (2), and the rib (61) is inserted into the groove (62) and is connected with the groove (62) in a clamping mode.
8. The steel beam top surface fabrication hole structure of claim 6, wherein: the edges of the reinforcing plate (4) and the auxiliary plate (6) close to the center of the process hole (3) are arranged in a chamfer shape.
CN202022065362.2U 2020-09-19 2020-09-19 Steel beam top surface fabrication hole structure Active CN214187662U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022065362.2U CN214187662U (en) 2020-09-19 2020-09-19 Steel beam top surface fabrication hole structure

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Application Number Priority Date Filing Date Title
CN202022065362.2U CN214187662U (en) 2020-09-19 2020-09-19 Steel beam top surface fabrication hole structure

Publications (1)

Publication Number Publication Date
CN214187662U true CN214187662U (en) 2021-09-14

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CN202022065362.2U Active CN214187662U (en) 2020-09-19 2020-09-19 Steel beam top surface fabrication hole structure

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115255823A (en) * 2022-07-27 2022-11-01 中铁二十五局集团第二工程有限公司 Steel beam top plate unit manufacturing process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115255823A (en) * 2022-07-27 2022-11-01 中铁二十五局集团第二工程有限公司 Steel beam top plate unit manufacturing process
CN115255823B (en) * 2022-07-27 2024-05-03 中铁二十五局集团第二工程有限公司 Manufacturing process of steel beam roof plate unit

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