CN220903696U - But reuse steel pedestal - Google Patents
But reuse steel pedestal Download PDFInfo
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- CN220903696U CN220903696U CN202322665089.0U CN202322665089U CN220903696U CN 220903696 U CN220903696 U CN 220903696U CN 202322665089 U CN202322665089 U CN 202322665089U CN 220903696 U CN220903696 U CN 220903696U
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- pedestal
- transverse
- girders
- steel
- girder
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 title claims abstract description 122
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 48
- 239000010959 steel Substances 0.000 title claims abstract description 48
- 239000004567 concrete Substances 0.000 claims abstract description 10
- 239000000872 buffer Substances 0.000 claims description 13
- 239000002002 slurry Substances 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 239000011440 grout Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 11
- 238000009417 prefabrication Methods 0.000 abstract description 6
- 239000011150 reinforced concrete Substances 0.000 abstract description 6
- 230000007306 turnover Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000001066 destructive effect Effects 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a reusable steel pedestal, and relates to the technical field of prefabricated box girders. The utility model aims to solve the problems that in the prior art, a precast beam pedestal is mostly a reinforced concrete pedestal, the consumption of reinforced concrete and concrete is large, the turnover use is impossible, the size of the pedestal cannot be adjusted and changed at any time, one pedestal is only suitable for prefabrication of a beam body with one size, the occupied area of temporary construction is large, and the like. The utility model comprises pre-buried fixing pieces arranged on a pedestal foundation, a plurality of pedestal units and a plurality of lifting beams Kong Tai, wherein the pedestal units are arranged along the length direction of the pedestal foundation, the bottoms of the pedestal units are fixed on the pedestal foundation through the pre-buried fixing pieces, adjacent pedestal units are connected through connecting pieces, the lifting beams Kong Tai are arranged between the pedestal units at intervals, and the steel pedestal is used for prefabricating box girders. The utility model is used for prefabricating the box girder.
Description
Technical Field
The utility model relates to the technical field of precast box girders, in particular to a reusable steel pedestal.
Background
With the rapid development of bridge construction in China, the continuous girder bridge with a simple support and then a structure gradually replaces the original single simple support girder bridge or continuous girder bridge, and particularly for highways, the simple support and then continuous construction technology becomes one of the main technologies of bridge engineering construction.
For the simply supported continuous beam, a post-tensioning method is generally adopted to tension the prestressed steel beam in a precast beam field so as to meet the requirements of batch and standardized production. The concrete pedestal is widely used as a base for prefabricating, stretching, storing and hoisting the prefabricated prestressed concrete box girder.
At present, in precast beam construction, a reinforced concrete pedestal is mostly adopted as a precast beam pedestal, namely, construction is carried out according to procedures of binding reinforcing steel bars, installing a mould, pouring concrete, curing and removing the mould according to the beam body size requirement. With the continuous progress of technology, although the construction quality of reinforced concrete pedestals is gradually improved, the following disadvantages still exist: firstly, the consumption of the reinforced steel bars and the concrete is large, and the reinforced steel bars and the concrete cannot be recycled; secondly, the size of the pedestal cannot be adjusted at any time, one pedestal is only suitable for prefabrication of a beam body with one size, and the occupied area of temporary construction is large, so that a reusable steel pedestal is needed.
Disclosure of utility model
The utility model aims to solve the problems that in the prior art, a precast beam pedestal is mostly a reinforced concrete pedestal, the consumption of reinforced concrete and concrete is large, the turnover use is impossible, the size of the pedestal cannot be adjusted and changed at any time, one pedestal is only suitable for prefabrication of a beam body with one size, the occupation area of temporary construction is large and the like, and further provides a reusable steel pedestal.
The technical scheme adopted by the utility model for solving the problems is as follows: the utility model provides a but reuse steel pedestal, includes the pre-buried mounting of setting on the pedestal basis, sets up a plurality of pedestal units and a plurality of handle Kong Tai along pedestal basis length direction, the bottom of pedestal unit is fixed on the pedestal basis through pre-buried mounting, connects through the connecting piece between the adjacent pedestal unit, handle Kong Tai interval sets up between the pedestal unit, steel pedestal is used for prefabrication of roof beam.
Further, the pedestal unit comprises a pedestal bottom template, a transverse girder, a reinforcing rod and a longitudinal girder; the transverse girders are square steel, the transverse girders are arranged in two rows in parallel along the width direction of the pedestal foundation, the longitudinal girders are I-steel, the longitudinal girders are arranged between the two rows of transverse girders, the pedestal bottom templates are arranged above the transverse girders and the longitudinal girders, and the adjacent transverse girders are connected and fixed by the reinforcing rods.
Further, the pedestal bottom template comprises a top plate, a supporting beam, a buffer piece and a bearing plate; the bearing plate is connected on horizontal girder and vertical girder, be provided with a plurality of supporting beams along horizontal girder length direction on the bearing plate, be connected with the roof on the supporting beam, the roof with be connected with a plurality of bolster before the bearing plate, the bolster sets up between two adjacent supporting beams, the both sides of roof are provided with and end the thick liquid groove.
Further, the buffer piece is a spring or a high-strength adhesive.
Further, the handle hole pedestal comprises a handle hole adjusting plate, a fixing plate and an adjusting bolt; the two fixing plates are respectively connected with the transverse main beams of the adjacent pedestal units, the fixing plates are provided with nuts, the adjusting bolts penetrate through the nuts and then are connected with the beam hole adjusting plates, and slurry stopping grooves are formed in two sides of the beam hole adjusting plates.
Further, the grout stopping groove on the handle hole adjusting plate is communicated with the grout stopping groove on the top plate.
Further, the embedded fixing piece comprises a bolt and a nut, and the bottom of the bolt is embedded into the pedestal foundation.
Further, the connecting piece is a bolt, and waist-shaped grooves for connecting the bolt are formed in two ends of the transverse girder.
Further, the steel pedestal is arranged between the transverse main beams of the two pedestal units at two ends, and concrete is poured between the transverse main beams.
The utility model has the following beneficial technical effects:
The pedestal unit can be automatically combined according to the length and width of the beam bottom plate of the prefabricated box beam, the prefabricated box beam is suitable for beam fields with more prefabricated Liang Xinghao, meanwhile, the pedestal is made of steel, can be recycled after being used, has good economical efficiency, reduces garbage generated by buildings, and effectively protects the environment.
The pedestal bottom template of the pedestal unit is provided with the buffer piece, so that the reciprocating impact force of the box falling beam in the process of pressurizing concrete by the pump truck can be effectively relieved, the destructive power of vibration can be effectively relieved, the integral integrity of the device is protected, and the service life of the steel pedestal is prolonged.
The utility model provides a bottom laying device, which can make the upper surface of a beam lifting hole pedestal and the upper surface of a pedestal unit in the same plane when a precast beam is manufactured, so that a bottom laying steel plate and the pedestal are used as a bottom die. Before the beam is moved, the position of a beam lifting hole adjusting plate of the beam lifting Kong Tai is lowered, so that the upper surface of the beam lifting hole adjusting plate is lower than the upper surface of the pedestal unit, a steel wire rope penetrates through a gap between the beam bottom and the beam lifting hole adjusting plate to move away the precast beam, and after the precast beam is moved away, other box beams are precast continuously, so that the construction efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the operation of the present utility model;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a schematic perspective view of the present utility model;
FIG. 4 is a front view of the present utility model;
Fig. 5 is a schematic perspective view of the pedestal unit;
Fig. 6 is a front view of fig. 5;
FIG. 7 is a left side view of FIG. 5;
fig. 8 is a schematic view of the internal structure of the pedestal unit;
FIG. 9 is a schematic view of the structure of the pedestal bottom template;
FIG. 10 is a schematic view of a handle hole block;
In the figure: 1. a box girder; 2. a pedestal base; 3. a pedestal unit;
31. A pedestal bottom template; 311. a top plate; 312. a support beam; 313. a buffer member; 314. a bearing plate; 32. a transverse girder; 33. a reinforcing rod; 34. a longitudinal girder;
4. A handle Kong Tai; 41. a handle hole adjusting plate; 42. a fixing plate; 43. an adjusting bolt; 5. and embedding the fixing piece.
Detailed Description
The present utility model will be further described in detail with reference to the drawings and examples, which are provided to illustrate the present utility model and not to limit the present utility model.
The first embodiment is as follows: referring to fig. 1 to 10, a reusable steel pedestal according to this embodiment includes a pre-buried fixing member 5 disposed on a pedestal base 2, a plurality of pedestal units 3 disposed along a length direction of the pedestal base 2, and a plurality of lifting beams Kong Tai, wherein bottoms of the pedestal units 3 are fixed on the pedestal base 2 via the pre-buried fixing member 5, adjacent pedestal units 3 are connected via a connecting member, and lifting beam hole pedestal 4 is disposed between the pedestal units 3 at intervals, and the steel pedestal is used for prefabrication of a box girder 1.
The second embodiment is as follows: the present embodiment will be described with reference to fig. 1 to 10, in which the pedestal unit 3 includes a pedestal bottom template 31, a lateral main beam 32, a reinforcing bar 33, and a longitudinal main beam 34; the transverse girders 32 are square steel, the transverse girders 32 are arranged in two rows in parallel along the width direction of the pedestal foundation 2, the longitudinal girders 34 are I-steel, the longitudinal girders 34 are arranged between the two rows of transverse girders 32, the pedestal bottom templates 31 are arranged above the transverse girders 32 and the longitudinal girders 34, and the adjacent transverse girders 32 are connected and fixed by the reinforcing rods 33.
The pedestal bottom formwork 31, the transverse girders 32 and the longitudinal girders 34 adopted in the embodiment are all steel components, the pedestal bottom formwork 31, the transverse girders 32 and the longitudinal girders 34 are mutually connected through welding, and the adjacent transverse girders 32 are connected and fixed by the reinforcing rods 33, so that the stability is further improved.
Other components and connections are the same as those of the embodiment.
And a third specific embodiment: the pedestal bottom template 31 according to the present embodiment includes a top plate 311, a support beam 312, a buffer 313, and a load bearing plate 314, described with reference to fig. 1 to 10; the bearing plate 314 is connected to the transverse girder 32 and the longitudinal girder 34, a plurality of supporting beams 312 are arranged on the bearing plate 314 along the length direction of the transverse girder 32, a top plate 311 is connected to the supporting beams 312, a plurality of buffer members 313 are connected to the top plate 311 and the bearing plate 314 before, the buffer members 313 are arranged between two adjacent supporting beams 312, slurry stopping grooves are formed in two sides of the top plate 311, and the buffer members 313 are springs or high-strength adhesive.
The buffer piece is arranged, so that the reciprocating impact force of the box girder in the concrete pressurizing process of the pump truck can be effectively relieved, the destructive force of vibration can be effectively relieved, the integral integrity of the device is protected, and the service life of the steel pedestal is prolonged.
Other components and connections are the same as those of the embodiment.
The specific embodiment IV is as follows: the handle hole pedestal 4 according to the present embodiment includes the handle hole adjusting plate 41, the fixing plate 42, and the adjusting bolt 43 described with reference to fig. 1 to 10; the two fixing plates 42 are respectively connected with the transverse main beams 32 of the adjacent pedestal units 3, the fixing plates 42 are provided with nuts, the adjusting bolts 43 penetrate through the nuts and then are connected with the beam hole adjusting plates 41, and slurry stopping grooves are formed in two sides of the beam hole adjusting plates 41.
Other components and connections are the same as those of the embodiment.
Fifth embodiment: referring to fig. 1 to 10, the present embodiment is described in which the grout stopping groove on the beam hole adjusting plate 41 is connected with the grout stopping groove on the top plate 311, and the steel pedestal is disposed between the two transverse girders 32 of the two pedestal units 3 at two ends, so as to strengthen the pedestal strength, and avoid the deformation caused by the stress concentration at two ends of the two pedestal units 3 at the end after stretching and arching of the precast beam.
The slurry stopping groove on the beam hole adjusting plate 41 and the slurry stopping groove on the top plate 311 are communicated, so that the bottom die forms a continuous slurry stopping groove, slurry leakage is effectively prevented, and the appearance quality of the prefabricated box beam is improved.
Other components and connections are the same as those of the embodiment.
Specific embodiment six: the pre-buried fixing member 5 according to the present embodiment includes a bolt and a nut, and the bottom of the bolt is pre-buried into the pedestal base 2, as described with reference to fig. 1 to 10.
The pre-buried fixing part 5 used in this embodiment includes a bolt and a nut, the bottom of the bolt needs to be pre-buried into the pedestal foundation 2, and the steel pedestal produced by the prefabricated box girder needs to be installed as a spare steel pedestal after the prefabricated box girder is manufactured before being used.
Other components and connections are the same as those of the embodiment.
Seventh embodiment: the connection member according to the present embodiment is a bolt, and the two ends of the transverse girder 32 are provided with waist-shaped grooves for connecting the bolt, as described with reference to fig. 1 to 10.
Other components and connections are the same as those of the embodiment.
The working principle of the utility model is as follows:
The utility model is used for prefabricating box girders, a pedestal unit 3 is fixed on a pedestal foundation 2 by utilizing a pre-buried fixing piece 5, the number of the pedestal units 3, the distance between the transverse girders 32 and the size of the longitudinal girders 34 can be adjusted according to different prefabrication box girders, meanwhile, a fixing plate 42 of a lifting beam hole pedestal 4 is fixedly connected to the transverse girders 32 of the pedestal unit 3, an adjusting bolt 43 is lifted when the box girders are poured, so that the lifting beam hole adjusting plate 41 is flush with pedestal bottom templates 31 of the pedestal units 3 on two sides, the box girder templates are arranged on a steel pedestal for pouring operation, the lifting beam hole adjusting plate 41 is dropped when lifting beams, a steel wire rope passes through a gap between the bottom of the beam and the lifting beam hole adjusting plate 41, and the steel wire rope is made of steel products, can be recycled, the economy is good, the garbage generated by a building is reduced, and the environment is effectively protected.
The pedestal unit can be automatically combined according to the length and width of the beam bottom plate of the prefabricated box beam, the prefabricated box beam is suitable for beam fields with more prefabricated Liang Xinghao, meanwhile, the pedestal is made of steel, can be recycled after being used, has good economical efficiency, reduces garbage generated by buildings, and effectively protects the environment. The utility model provides a bottom laying device, which can make the upper surface of a beam lifting hole pedestal and the upper surface of a pedestal unit in the same plane when a precast beam is manufactured, so that a bottom laying steel plate and the pedestal are used as a bottom die. Before the beam is moved, the position of a beam lifting hole adjusting plate of the beam lifting Kong Tai is lowered, so that the upper surface of the beam lifting hole adjusting plate is lower than the upper surface of the pedestal unit, a steel wire rope penetrates through a gap between the beam bottom and the beam lifting hole adjusting plate to move away the precast beam, and after the precast beam is moved away, other box beams are precast continuously, so that the construction efficiency is improved.
The above embodiments are only preferred and exemplary, and are not intended to limit the present utility model, but any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present utility model should be included in the scope of the present utility model.
Claims (9)
1. A reusable steel pedestal, characterized by: comprises a pre-embedded fixing piece (5) arranged on a pedestal foundation (2), a plurality of pedestal units (3) and a plurality of lifting beams Kong Tai (4) which are arranged along the length direction of the pedestal foundation (2),
The bottom of pedestal unit (3) is fixed on pedestal basis (2) through pre-buried mounting (5), connects through the connecting piece between adjacent pedestal unit (3), handle Kong Tai (4) interval sets up between pedestal unit (3), steel pedestal is used for prefabricating of roof beam (1).
2. A reusable steel table-base according to claim 1, characterized in that: the pedestal unit (3) comprises a pedestal bottom template (31), a transverse girder (32), a reinforcing rod (33) and a longitudinal girder (34); the transverse girders (32) are square steel, the transverse girders (32) are arranged in two rows in parallel along the width direction of the pedestal foundation (2), the longitudinal girders (34) are I-steel, the longitudinal girders (34) are arranged between the two rows of transverse girders (32), the pedestal bottom templates (31) are arranged above the transverse girders (32) and the longitudinal girders (34), and the adjacent transverse girders (32) are connected and fixed by the reinforcing rods (33).
3. A reusable steel table-base according to claim 2, characterized in that: the pedestal bottom template (31) comprises a top plate (311), a supporting beam (312), a buffer piece (313) and a bearing plate (314);
The bearing plate (314) is connected on transverse girder (32) and vertical girder (34), be provided with a plurality of supporting beams (312) along transverse girder (32) length direction on bearing plate (314), be connected with roof (311) on supporting beam (312), roof (311) with be connected with a plurality of buffers (313) before bearing plate (314), buffer (313) set up between two adjacent supporting beams (312), the both sides of roof (311) are provided with the grout stopping groove.
4. A reusable steel table-base according to claim 3, characterized in that: the buffer piece (313) is a spring or a high-strength adhesive.
5. A reusable steel table-base according to claim 1, characterized in that: the lifting beam Kong Tai (4) comprises a lifting beam hole adjusting plate (41), a fixing plate (42) and an adjusting bolt (43);
The two fixing plates (42) are respectively connected with the transverse main beams (32) of the adjacent pedestal units (3), the fixing plates (42) are provided with nuts, the adjusting bolts (43) penetrate through the nuts and then are connected with the beam hole adjusting plates (41), and slurry stopping grooves are formed in two sides of the beam hole adjusting plates (41).
6. A reusable steel table-base as claimed in claim 5, wherein: the slurry stopping groove on the lifting beam hole adjusting plate (41) is communicated with the slurry stopping groove on the top plate (311).
7. A reusable steel table-base according to claim 1, characterized in that: the embedded fixing piece (5) comprises a bolt and a nut, and the bottom of the bolt is embedded into the pedestal foundation (2).
8. A reusable steel table-base according to claim 2, characterized in that: the connecting piece is a bolt, and waist-shaped grooves for connecting the bolt are formed in two ends of the transverse girder (32).
9. A reusable steel table-base according to claim 1, characterized in that: the steel pedestal is arranged between the transverse main beams (32) of the two pedestal units (3) at two ends, and concrete is poured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322665089.0U CN220903696U (en) | 2023-09-28 | 2023-09-28 | But reuse steel pedestal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322665089.0U CN220903696U (en) | 2023-09-28 | 2023-09-28 | But reuse steel pedestal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220903696U true CN220903696U (en) | 2024-05-07 |
Family
ID=90912347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322665089.0U Active CN220903696U (en) | 2023-09-28 | 2023-09-28 | But reuse steel pedestal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220903696U (en) |
-
2023
- 2023-09-28 CN CN202322665089.0U patent/CN220903696U/en active Active
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