CN212895929U - Cast-in-place system for steel pipe column bracket supporting Bailey main beam - Google Patents
Cast-in-place system for steel pipe column bracket supporting Bailey main beam Download PDFInfo
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- CN212895929U CN212895929U CN202021147366.9U CN202021147366U CN212895929U CN 212895929 U CN212895929 U CN 212895929U CN 202021147366 U CN202021147366 U CN 202021147366U CN 212895929 U CN212895929 U CN 212895929U
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Abstract
The utility model discloses a steel pipe column bracket supports bailey girder cast-in-place system, which belongs to the field of cast-in-place bridge construction, and comprises a beam body, a bailey bracket arranged below the beam body, a pier body supported at the bottom of the beam body and a steel pipe column supported below the bailey bracket, wherein the bailey bracket is formed by splicing a plurality of bailey pieces, and each bailey piece comprises a bailey piece main body and a splicing structure; the inserting structure comprises an inserting plate and a positioning column, and the inserting plate and the positioning column are respectively arranged at two ends of the Bailey sheet main body; the inserting groove is formed in the inserting plate, one end, far away from the Bailey sheet main body, of the inserting groove is an opening end, one end of the inserting groove is an opening end, the other end of the inserting groove is provided with a positioning hole used for containing the positioning column, and the positioning column is provided with the nut so that the positioning column is locked in the positioning hole, and the problem that the existing Bailey support structure is poor in installation stability is solved.
Description
Technical Field
The utility model relates to a cast-in-place bridge construction field, in particular to steel-pipe column bracket supports cast-in-place system of bailey girder.
Background
For construction operations such as high-suspended concrete cast-in-place bearing structures, a plurality of construction projects currently adopt traditional full-space supports to meet load requirements of the top. However, with the long-term use of the full framing, people slowly find that the one-time investment and treatment cost of the foundation treatment of the traditional full framing is high, and when construction load is added, the foundation may be unevenly settled, which may cause damages to concrete quality in different degrees, so that the traffic requirements below the bridge span cannot be met. In order to overcome the defects and ensure construction and maintain traffic, the upper concrete cast-in-place method adopting the steel pipe column Bailey beam type support is adopted in the market at present.
The Bailey bracket is an indispensable part in the Bailey beam type bracket of the steel pipe column, and is mainly formed by splicing adjacent Bailey sheets. The two ends of the existing Bailey piece are respectively provided with a male head and a female head, and the Bailey piece is spliced by the male head and the female head firstly and then locked by the cooperation of a bolt and a nut. Because the male head is inserted into the female head from one end of the Bailey sheet, once the bolt and the nut fall off, the male head easily slides outwards along the splicing direction of the Bailey sheet, and the installation stability is to be enhanced.
In view of this, the utility model provides a cast-in-place system of bailey girder is supported to steel-pipe column bracket.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a steel-pipe column bracket supports cast-in-place system of bailey girder, it has solved the relatively poor problem of current bailey supporting structure installation stability.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a bailey main beam cast-in-place system supported by a steel pipe column bracket comprises a beam body, a bailey bracket arranged below the beam body, a pier body supported at the bottom of the beam body and a steel pipe column supported below the bailey bracket, wherein the bailey bracket is formed by splicing a plurality of bailey pieces, and each bailey piece comprises a bailey piece main body and an inserting structure;
the inserting structure comprises an inserting plate and a positioning column, and the inserting plate and the positioning column are respectively arranged at two ends of the Bailey sheet main body;
the inserting plate is provided with an inserting groove, one end of the inserting groove, which is far away from the Bailey sheet main body, is an opening end, one end of the inserting groove is an opening end, the other end of the inserting groove is provided with a positioning hole for accommodating the positioning column, and the positioning column is provided with a nut so as to be locked in the positioning hole.
By adopting the structure, during installation, the slot is aligned to the positioning column, then the bailey sheet is horizontally pushed to enable the positioning column to be inserted into the slot, the press inserting plate is moved after the positioning column is moved to the end part of the slot, so that the positioning column is inserted into the positioning hole, and then the positioning column is tightly fixed in the positioning hole through the nut locking. Because the reference column is inserted and is established in the locating hole, consequently can effectively prevent adjacent bailey piece relative slip, in case the nut drops because of becoming flexible, adjacent bailey piece also can not stand the horse and break away from, and the structure is more reliable and more stable.
The method is further optimized as follows: the positioning hole is a semicircular hole, the diameter of the positioning hole is the same as that of the positioning column, and the width of the slot is the same as that of the positioning column.
By adopting the structure, the connection between the positioning column and the inserting plate is improved, and the compactness is better.
The method is further optimized as follows: the positioning hole is located on the upper portion of the slot, and the inner arc surface of the positioning hole faces downwards.
By adopting the structure, the positioning column can be continuously positioned in the positioning hole under the self gravity of the inserting plate and the Bailey sheet main body.
The method is further optimized as follows: one end of the positioning column is fixed on the Bailey sheet main body, the other end of the positioning column is provided with an external thread matched with the nut, and the axial direction of the positioning column is the same as that of the positioning hole.
By adopting the structure, the positioning column is tightly connected with the inserting plate, and the stability of the Bailey bracket is improved.
The method is further optimized as follows: the bailey piece main body comprises an upper chord, a lower chord, a supporting vertical rod, a fixing block and a supporting diagonal rod;
the supporting vertical rod is fixed between the upper chord and the lower chord, the fixing block is fixed in the middle of the supporting vertical rod, one end of the supporting diagonal rod is fixed on the fixing block, and the other end of the supporting diagonal rod is fixed on the upper chord or the lower chord.
The method is further optimized as follows: the positioning column and the inserting plate are respectively fixed at two ends of the upper chord and two ends of the lower chord.
The method is further optimized as follows: every all be provided with two on the bailey piece go up the chord and two the lower chord, two go up the chord and two the lower chord is all fixed support the relative both sides of montant.
To sum up, the utility model discloses following beneficial effect has: when the positioning column is installed, the inserting groove is aligned to the positioning column, then the Bailey sheet is horizontally pushed to enable the positioning column to be inserted into the inserting groove, the inserting plate is pressed down after the positioning column moves to the end portion of the inserting groove, the positioning column is inserted into the positioning hole, and then the positioning column is tightly fixed in the positioning hole through locking of the nut. Because the reference column is inserted and is established in the locating hole, consequently can effectively prevent adjacent bailey piece relative slip, in case the nut drops because of becoming flexible, adjacent bailey piece also can not stand the horse and break away from, and the structure is more reliable and more stable.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment, which is mainly used for embodying a specific structure of a steel pipe column bracket supporting bailey main beam cast-in-place system;
FIG. 2 is a schematic structural diagram of an embodiment, which is mainly used for embodying a splicing structure of a Bailey sheet;
FIG. 3 is a schematic structural diagram of the front side of the embodiment, which is mainly used for embodying the splicing structure of the Bailey pieces;
fig. 4 is a schematic structural diagram of an embodiment, which is mainly used for embodying the structure of the beret;
fig. 5 is a schematic partial structure diagram of the embodiment, which is mainly used for embodying a splicing structure of the bailey piece.
In the figure, 1, a pier body; 2. steel pipe columns; 3. a beam body; 4. a bailey bracket; 41. bailey tablets; 4111. an upper chord; 4112. a lower chord; 4113. supporting the vertical rod; 4114. a fixed block; 4115. supporting the diagonal rods; 412. a plug-in structure; 4121. inserting plates; 4122. a slot; 4123. positioning holes; 4124. and a positioning column.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): a cast-in-place system for a Bailey main beam supported by a steel pipe column bracket comprises a beam body 3, a Bailey bracket 4 arranged below the beam body 3, a pier body 1 supported at the bottom of the beam body 3 and a steel pipe column 2 supported below the Bailey bracket 4, as shown in figures 1-5. The steel-pipe column 2 is located pier shaft 1 inboard and the upper end is fixed in bei lei support 4 bottom, and pier shaft 1 is fixed in the horizontal both sides of roof beam body 3.
Referring to fig. 1 to 5, the bailey bracket 4 is formed by splicing a plurality of bailey pieces 41, and each bailey piece 41 includes a bailey piece main body and an insertion structure 412. The Bailey piece main body comprises an upper chord 4111, a lower chord 4112, a vertical support rod 4113, a fixed block 4114 and an inclined support rod 4115. The support vertical bars 4113 are fixed between the upper chord 4111 and the lower chord 4112, three support vertical bars 4113 are arranged on each beret sheet 41, and the three support vertical bars 4113 are respectively located at the middle part and two ends between the upper chord 4111 and the lower chord 4112. Preferably, each beret sheet 41 is provided with two upper chords 4111 and two lower chords 4112, and the two upper chords 4111 and the two lower chords 4112 are fixed on two opposite sides of the vertical support rods 4113. Specifically, the lower end of the vertical support rod 4113 is fixed between the two lower chords 4112, and the upper end is fixed between the two upper chords 4111. Fixing block 4114 is fixed in the middle of vertical support rod 4113, and supporting oblique rod 4115 has one end fixed to fixing block 4114 and the other end fixed to upper chord 4111 or lower chord 4112. Four supporting inclined rods 4115 are fixed between the adjacent vertical supporting rods 4113, two of the supporting inclined rods 4115 are fixed on the upper chord 4111, and the other two supporting inclined rods 4115 are fixed on the lower chord 4112.
Referring to fig. 1 to 5, the inserting structure 412 includes an inserting plate 4121 and a positioning column 4124, the inserting plate 4121 and the positioning column 4124 are respectively disposed at two ends of the bailey piece main body, and preferably, the positioning column 4124 and the inserting plate 4121 are respectively fixed at two ends of the upper chord 4111 and two ends of the lower chord 4112. An insert plate 4121 is fixed on the outer sides of the upper chord 4111 and the lower chord 4112, the insert plate 4121 is provided with a slot 4122, and one end of the slot 4122 away from the bailey piece main body is an open end. One end of the slot 4122 is an open end, and the other end is provided with a positioning hole 4123 for accommodating the positioning column 4124, preferably, the positioning hole 4123 is a semicircular hole and has a diameter the same as that of the positioning column 4124, and the width of the slot 4122 is the same as that of the positioning column 4124. The positioning hole 4123 is located on the upper portion of the slot 4122 and is communicated with the slot 4122, the inner arc surface of the positioning hole 4123 faces downwards, and the height of the circle center of the positioning hole 4123 is the same as that of the side wall of the slot 4122.
Referring to fig. 1-5, locating post 4124 is provided with a nut to lock locating post 4124 within locating hole 4123. Preferably, one end of positioning column 4124 is fixed to the outer sides of upper chord 4111 and lower chord 4112, the other end is provided with an external thread for matching with a nut, and the axial direction of positioning column 4124 is the same as the axial direction of positioning hole 4123. When the positioning post 4124 is inserted into the positioning hole 4123, the upper chord 4111 is exactly butted and level with the upper chord 4111 on the adjacent bailey piece 41, and the lower chord 4112 is exactly butted and level with the lower chord 4112 on the adjacent bailey piece 41.
When the positioning device is installed, the slot 4122 is aligned with the positioning column 4124, then the bailey sheet 41 is horizontally pushed to enable the positioning column 4124 to be inserted into the slot 4122, the to-be-positioned column 4124 moves to the end portion of the slot 4122, then the inserting plate 4121 is pressed downwards to enable the positioning column 4124 to be inserted into the positioning hole 4123, and then the positioning column 4124 is tightly fixed in the positioning hole 4123 through nut locking.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a cast-in-place system of bailey girder is supported to steel-pipe column bracket, includes roof beam body (3), sets up bailey support (4) of roof beam body (3) below, support and be in pier shaft (1) of roof beam body (3) bottom and support steel-pipe column (2) of bailey support (4) below, characterized by: the Bailey bracket (4) is formed by splicing a plurality of Bailey sheets (41), and each Bailey sheet (41) comprises a Bailey sheet main body and an inserting structure (412);
the inserting structure (412) comprises an inserting plate (4121) and a positioning column (4124), and the inserting plate (4121) and the positioning column (4124) are respectively arranged at two ends of the Bailey sheet main body;
the inserting plate (4121) is provided with an inserting groove (4122), one end, far away from the Bailey sheet main body, of the inserting groove (4122) is an opening end, one end of the inserting groove (4122) is an opening end, the other end of the inserting groove (4122) is provided with a positioning hole (4123) used for containing the positioning column (4124), and the positioning column (4124) is provided with a nut so that the positioning column (4124) is locked in the positioning hole (4123).
2. The cast-in-place system for the bailey main beam supported by the steel pipe column bracket as claimed in claim 1, wherein: the positioning hole (4123) is a semicircular hole, the diameter of the positioning hole is the same as that of the positioning column (4124), and the width of the slot (4122) is the same as that of the positioning column (4124).
3. The cast-in-place system for the bailey main beam supported by the steel pipe column bracket as claimed in claim 2, wherein: the positioning hole (4123) is positioned at the upper part of the slot (4122), and the inner arc surface of the positioning hole (4123) faces downwards.
4. The cast-in-place system for the Bailey main beam supported by the steel pipe column bracket as claimed in claim 3, wherein: one end of the positioning column (4124) is fixed on the Bailey sheet main body, the other end of the positioning column is provided with an external thread used for being matched with the nut, and the axial direction of the positioning column (4124) is the same as that of the positioning hole (4123).
5. The cast-in-place system for the bailey main beam supported by the steel pipe column bracket as claimed in claim 1, wherein: the Bailey sheet main body comprises an upper chord (4111), a lower chord (4112), a vertical supporting rod (4113), a fixed block (4114) and an inclined supporting rod (4115);
support montant (4113) to fix go up chord member (4111) with between lower chord member (4112), fixed block (4114) are fixed support montant (4113) middle part, support down tube (4115) one end and fix on fixed block (4114), the other end is fixed go up chord member (4111) or on lower chord member (4112).
6. The cast-in-place system for the Bailey main beam supported by the steel pipe column bracket as claimed in claim 5, wherein: the positioning columns (4124) and the inserting plates (4121) are respectively fixed at two ends of the upper chord (4111) and two ends of the lower chord (4112).
7. The cast-in-place system for the Bailey main beam supported by the steel pipe column bracket as claimed in claim 5, wherein: every all be provided with two on thunderbolt piece (41) go up chord member (4111) and two lower chord member (4112), two go up chord member (4111) and two lower chord member (4112) all fix support the relative both sides of montant (4113).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021147366.9U CN212895929U (en) | 2020-06-19 | 2020-06-19 | Cast-in-place system for steel pipe column bracket supporting Bailey main beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021147366.9U CN212895929U (en) | 2020-06-19 | 2020-06-19 | Cast-in-place system for steel pipe column bracket supporting Bailey main beam |
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| CN212895929U true CN212895929U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021147366.9U Active CN212895929U (en) | 2020-06-19 | 2020-06-19 | Cast-in-place system for steel pipe column bracket supporting Bailey main beam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113265955A (en) * | 2021-06-22 | 2021-08-17 | 中交路桥建设有限公司 | Method for supporting beam body without deformation and load change and support system |
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- 2020-06-19 CN CN202021147366.9U patent/CN212895929U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113265955A (en) * | 2021-06-22 | 2021-08-17 | 中交路桥建设有限公司 | Method for supporting beam body without deformation and load change and support system |
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