CN216586142U - Temporary support for erecting bridge precast beam - Google Patents
Temporary support for erecting bridge precast beam Download PDFInfo
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- CN216586142U CN216586142U CN202220039376.3U CN202220039376U CN216586142U CN 216586142 U CN216586142 U CN 216586142U CN 202220039376 U CN202220039376 U CN 202220039376U CN 216586142 U CN216586142 U CN 216586142U
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- wedge
- wedge block
- temporary support
- cover plate
- erecting
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Abstract
A temporary support for erecting a bridge precast beam comprises a base, a first wedge block and a second wedge block, wherein the first wedge block and the second wedge block are positioned on the base; the base is a groove-shaped component with an upward notch and is used for supporting the first wedge block and the second wedge block; the first wedge block is embedded in a groove of the base, and the second wedge block is positioned above the first wedge block; the first wedge block comprises two identical wedge blocks and is connected by adopting deformed steel bars, and the end parts of the deformed steel bars are fastened by adopting nuts; the nut is used for adjusting the height of the temporary support; the first wedge abuts against the second wedge. When using this temporary support, through the finish rolling screw-thread steel nut of adjusting first voussoir both sides, the top elevation of adjustment temporary support that can be quick, when screwing up, temporary support top elevation increases, and when relaxing, temporary support top elevation reduces, and installation and dismantlement convenient and fast can improve the efficiency that the bridge beam body erect.
Description
Technical Field
The utility model relates to a bridge engineering temporary support technical field, more specifically say, in particular to temporary support that bridge precast beam erects usefulness.
Background
In the process of erecting a beam body in bridge construction, the existing single-span section beam is heavy and has high requirements on the bearing capacity of the temporary support. Traditional temporary support atress is uneven, causes the unbalance loading easily, and the adjustment elevation is inconvenient, and dismantles the difficulty when falling the roof beam. Most of the existing bridges are multi-span bridges nowadays, and temporary supports in the process of erecting a beam body need to be mounted and dismounted for many times, so that time and labor are consumed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing a bridge precast beam erects temporary support of usefulness, can recycle, and the atress is even, and the bearing capacity is big, and furthest's the pressure that bears the superstructure transmission adjusts temporary support's top elevation through the interval of adjusting the finish rolling screw-thread steel both sides nut, installs and dismantles convenient and fast, improves the efficiency that the bridge beam body erect.
A temporary support for erecting a bridge precast beam comprises a base, a first wedge block and a second wedge block, wherein the first wedge block and the second wedge block are positioned on the base;
the base is a groove-shaped component with an upward notch and is used for supporting the first wedge block and the second wedge block;
the first wedge block is embedded in a groove of the base, and the second wedge block is positioned above the first wedge block;
the first wedge block comprises two identical wedge blocks and is connected by adopting deformed steel bars, and the end parts of the deformed steel bars are fastened by adopting nuts;
the first wedge abuts against the second wedge.
Furthermore, the base comprises a bottom plate and baffles, and the baffles are fixedly connected to two side edges of the bottom plate.
Further, the single wedge block in the first wedge block is a box-shaped component formed by welding steel plates.
Further, each wedge-shaped block comprises a first upper cover plate and a first lower cover plate, the first upper cover plate is positioned above the first lower cover plate, and the first upper cover plate and the first lower cover plate are connected through a first left web and a first right web; the first upper cover plate is obliquely arranged, and the first lower cover plate is horizontally arranged; the first left web plate is provided with a first left through hole, the first right web plate is provided with a first right through hole, and the first left through hole and the first right through hole are located at the same horizontal height.
Furthermore, the number of the first left through holes is the same as that of the first right through holes, and the number of the first left through holes is at least one.
Further, the height of the first left web is lower than the height of the first right web.
Further, the two wedge blocks are symmetrically arranged, that is, the first left webs of the two wedge blocks are oppositely arranged.
Further, a first intermediate web is erected inside the wedge-shaped block.
Furthermore, the second wedge block comprises a second upper cover plate and two second lower cover plates, the second upper cover plate is positioned above the second lower cover plate, and the second upper cover plate and the second lower cover plate are connected through a second web; the second upper cover plates are horizontally arranged, and the two second lower cover plates are symmetrically arranged and obliquely arranged; a sealing plate is arranged between the two second lower cover plates.
Further, a second middle web is added inside the second wedge block.
Furthermore, the two second lower cover plates of the second wedge blocks have the same inclination angle with the first upper cover plate of the wedge block of the first wedge block.
When using this temporary support, through the finish rolling screw-thread steel nut of adjusting first voussoir both sides, the top elevation of adjustment temporary support that can be quick, when screwing up, temporary support top elevation increases, and when relaxing, temporary support top elevation reduces, and installation and dismantlement convenient and fast can improve the efficiency that the bridge beam body erect. This temporary support simple structure, convenient operation, circulated use, the atress is even, the bearing capacity is big, the adjustment elevation is convenient, the installation is dismantled convenient and fast, can also improve the efficiency that bridge precast beam erects greatly.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic perspective view of a temporary support for erecting a precast bridge according to an embodiment.
Fig. 2 is a front view of a temporary support for erecting a precast girder of a bridge according to an embodiment.
Fig. 3 is a top view of a temporary support for erecting a precast girder of a bridge according to an exemplary embodiment.
Fig. 4 is a side view of a temporary support for erecting a precast girder of a bridge according to an exemplary embodiment.
Fig. 5 is a schematic perspective view of a wedge block in an embodiment.
Fig. 6 is a front view of a wedge block in an exemplary embodiment.
Fig. 7 is a schematic view of the plane a-a in fig. 6.
Fig. 8 is a side view of a wedge block in an exemplary embodiment.
Fig. 9 is a perspective view of a second wedge in the embodiment.
FIG. 10 is a front view of a second wedge in an example embodiment.
FIG. 11 is a schematic view of the plane A-A in FIG. 10
FIG. 12 is a side view of a second wedge in an example embodiment.
Fig. 13 is a schematic structural diagram of a base in an embodiment.
Fig. 14 is a schematic view of the construction of the backing plate in the embodiment.
In the figure: 1. a base; 101. a base plate; 102. a baffle plate;
2. a first wedge; 200. a wedge block; 201. a first upper cover plate; 202. a first lower cover plate; 203. a first left web; 204. a first right web; 205. a first left through hole; 206. a first right through hole; 207. a first intermediate web;
3. a second wedge; 301. a second upper cover plate; 302. a second lower cover plate; 303. closing the plate; 304. a second intermediate web; 305. adding a rib plate;
4. deformed steel bar; 5. a base plate; 6. and a nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The specific embodiment is as follows:
as shown in fig. 1-4, a temporary support for erecting a precast beam of a bridge includes a base 1, a first wedge 2 on the base 1, and a second wedge 3.
Wherein the base 1 is a channel-shaped member with an upward opening for supporting the first wedge 2 and the second wedge 3. Referring to fig. 1 and 13, the base 1 includes a bottom plate 101 and a baffle plate 102, and the baffle plate 102 is fixed to two side edges of the bottom plate 101. The first wedge block 2 is embedded in a groove of the base 1, the second wedge block 3 is positioned above the first wedge block 2, and the first wedge block 2 is abutted to the second wedge block 3.
In this embodiment, the first wedge 2 includes two identical wedge blocks 200, and is connected by a deformed steel bar 4, and the end of the deformed steel bar 4 is fastened by a nut 6; adopt finish rolling screw-thread steel 4 to connect two wedge 200 of first voussoir 2, adjust the distance between two wedge 200 with nut 6, when nut 6 is screwed up, the temporary support top elevation increases, and when nut 6 loosened, the temporary support top elevation reduced. The individual wedges 200 of the first wedge 2 are box-shaped members welded from steel plates.
Specifically, a single wedge block 200 includes a first upper cover plate 201 and a first lower cover plate 202, referring to fig. 5-8, the first upper cover plate 201 is located above the first lower cover plate 202, and the first upper cover plate 201 and the first lower cover plate 202 are connected by a first left web 203 and a first right web 204; the first upper cover plate 201 is arranged obliquely, and the first lower cover plate 202 is arranged horizontally; the first left web 203 is provided with a first left through hole 205, the first right web 204 is provided with a first right through hole 206, and the first left through hole 205 and the first right through hole 206 are located at the same horizontal height. The number of the first left through holes 205 is the same as that of the first right through holes 206, and both the first left through holes and the first right through holes are two. A first intermediate web 207 also spans the interior of the wedge block 200. The height of the first left web 203 is lower than the height of the first right web 204. The two wedge blocks 200 are symmetrically arranged, that is, the first left webs 203 of the two wedge blocks 200 are oppositely arranged. Namely, the first wedge block 2 is composed of two identical wedge blocks 200, the single wedge block 200 is a box-shaped component formed by welding steel plates, a first middle web 207 is welded inside the box-shaped component to serve as a stiffened plate to increase the overall stress, and two groups of horizontal through holes are formed in two ends of the wedge block 200 and used for penetrating through the finish rolling deformed steel bar 4.
Specifically, the second wedge 3 includes a second upper cover plate 301 and two second lower cover plates 302, referring to fig. 9 to 12, the second upper cover plate 301 is located above the second lower cover plate 302, and the second upper cover plate 301 and the second lower cover plate 302 are connected by a second web; the second upper cover plate 301 is horizontally arranged, and the two second lower cover plates 302 are symmetrically and obliquely arranged; a sealing plate 303 is disposed between the two second lower cover plates 302. A second middle web plate 304 is added inside the second wedge block 3, and the second middle web plate 304 and the second lower cover plate 302 are tightly propped against each other and are not welded. The two second lower cover plates 302 of the second wedge 3 and the first upper cover plate 201 of the wedge block 200 of the first wedge 2 are inclined at the same angle. That is, the second wedge 3 is a box-shaped wedge welded by steel plates, and a rib 305 is welded inside to increase the overall stress.
In this embodiment, the use method of the temporary support for erecting the precast bridge of the bridge is as follows:
when a temporary support is placed at a required position, the base 1 is placed firstly, and the notch is upward; secondly, a first wedge block 2 is arranged on the base 1, two wedge blocks 200 are symmetrically arranged, and the wedge faces are inward and upward; then connecting two wedge blocks 200 by using two finish-rolled deformed steel bars 4, penetrating a base plate 5 on the finish-rolled deformed steel bars 4, and reinforcing the base plate by using a nut 6; finally, the second wedge 3 is placed on the first wedge 2, with the wedge facing downwards.
The distance between the two wedge blocks 200 of the lower wedge block is adjusted by the nut 6, when the nut 6 is screwed down, the height of the top of the temporary support is increased, and when the nut 6 is loosened, the height of the top of the temporary support is reduced. So accomplish the quick adjustment of whole temporary support elevation.
This temporary support simple structure, convenient operation, circulated use, the atress is even, the bearing capacity is big, the adjustment elevation is convenient, the installation is dismantled convenient and fast, can also improve the efficiency that bridge precast beam erects greatly.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a temporary support that bridge precast beam erects usefulness which characterized in that: the wedge-shaped wedge is characterized by comprising a base, a first wedge block and a second wedge block, wherein the first wedge block and the second wedge block are positioned on the base;
the base is a groove-shaped component with an upward notch and is used for supporting the first wedge block and the second wedge block;
the first wedge block is embedded in a groove of the base, and the second wedge block is positioned above the first wedge block;
the first wedge block comprises two identical wedge blocks and is connected by adopting deformed steel bars, and the end parts of the deformed steel bars are fastened by adopting nuts; the nut is used for adjusting the height of the temporary support;
the first wedge abuts against the second wedge.
2. The temporary support for erecting the precast beam for the bridge according to claim 1, wherein: the base comprises a bottom plate and baffles, and the baffles are fixedly connected to two side edges of the bottom plate.
3. The temporary support for erecting the precast bridge beam according to claim 2, wherein: and the single wedge block in the first wedge block and the second wedge block are box-shaped members formed by welding steel plates.
4. A temporary support for erecting a precast bridge girder according to claim 3, wherein: each wedge-shaped block comprises a first upper cover plate and a first lower cover plate, the first upper cover plate is positioned above the first lower cover plate, and the first upper cover plate and the first lower cover plate are connected through a first left web and a first right web; the first upper cover plate is obliquely arranged, and the first lower cover plate is horizontally arranged; the first left web plate is provided with a first left through hole, the first right web plate is provided with a first right through hole, and the first left through hole and the first right through hole are located at the same horizontal height.
5. The temporary support for erecting the precast beam for the bridge according to claim 4, wherein: the number of the first left through holes is the same as that of the first right through holes, and the first left through holes and the first right through holes are at least one.
6. The temporary support for erecting the precast beam for the bridge according to claim 5, wherein: the height of the first left web is lower than the height of the first right web.
7. The temporary support for erecting the precast beam for the bridge according to claim 6, wherein: the two wedge blocks are symmetrically arranged, namely, the first left webs of the two wedge blocks are oppositely arranged.
8. The temporary support for erecting the precast beam for the bridge according to claim 7, wherein: a first intermediate web plate is erected in the wedge-shaped block.
9. The temporary support for erecting the precast beam for the bridge according to claim 8, wherein: the second wedge block comprises a second upper cover plate and two second lower cover plates, the second upper cover plate is positioned above the second lower cover plate, and the second upper cover plate and the second lower cover plate are connected through a second web; the second upper cover plates are horizontally arranged, and the two second lower cover plates are symmetrically arranged and obliquely arranged; a sealing plate is arranged between the two second lower cover plates.
10. The temporary support for erecting the precast beam for the bridge according to claim 9, wherein: a second middle web plate is added inside the second wedge block;
and the two second lower cover plates of the second wedge blocks have the same inclination angle with the first upper cover plate of the wedge block of the first wedge block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220039376.3U CN216586142U (en) | 2022-01-06 | 2022-01-06 | Temporary support for erecting bridge precast beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220039376.3U CN216586142U (en) | 2022-01-06 | 2022-01-06 | Temporary support for erecting bridge precast beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216586142U true CN216586142U (en) | 2022-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220039376.3U Active CN216586142U (en) | 2022-01-06 | 2022-01-06 | Temporary support for erecting bridge precast beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216586142U (en) |
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2022
- 2022-01-06 CN CN202220039376.3U patent/CN216586142U/en active Active
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