CN216040719U - Template support cantilever bearing structure - Google Patents
Template support cantilever bearing structure Download PDFInfo
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- CN216040719U CN216040719U CN202122382837.5U CN202122382837U CN216040719U CN 216040719 U CN216040719 U CN 216040719U CN 202122382837 U CN202122382837 U CN 202122382837U CN 216040719 U CN216040719 U CN 216040719U
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- longeron
- cross beam
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- 238000009415 formwork Methods 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 11
- 238000009412 basement excavation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 244000035744 Hura crepitans Species 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a template support cantilever supporting structure, which relates to the field of constructional engineering and comprises an integral template support, wherein one end of the integral template support is provided with a first floor support, the other end of the integral template support is provided with a second floor support, the first floor support and the second floor support are fixedly connected with the integral template support, the bottom end of the first floor support is provided with a second cross beam, the bottom of the second cross beam is provided with a first cross beam, a longitudinal beam is arranged between the first cross beam and the second cross beam, the first cross beam and the second cross beam are fixed through the longitudinal beam, the bottom surface of the first cross beam is provided with an upright column, and the top end of the upright column is fixedly connected with the first cross beam. The difficult problem that the whole formwork support at the top of the original ground excavation and the viaduct bent cap can not be constructed simultaneously is solved, a building platform is provided for the whole formwork support, project construction progress is accelerated, and construction period is shortened.
Description
Technical Field
The utility model relates to the technical field of constructional engineering, in particular to a cantilever supporting structure of a formwork support.
Background
The floor type formwork support is generally applied to bridge construction, and when the floor type formwork support is erected, a steel pipe upright post of the support needs to be erected on a stable platform; a certain newly-built project is divided into an elevated bridge and a lower-layer bridge, the lower-layer bridge is connected with a newly-built tunnel, a steel pipe Bailey template support needs to be erected for an elevated bridge cover beam, but the elevated bridge cover beam is positioned near a tunnel portal, the site is limited, the terrain is greatly fluctuated, the original ground needs to be excavated, the abutment for constructing the lower-layer bridge is enabled to enlarge the foundation, and the steel pipe Bailey support of the elevated bridge cover beam cannot be directly erected on the existing original ground.
The traditional bridge building method has two types: firstly, the original ground excavation work of construction is suspended, the original ground is leveled, a building platform is provided for the steel pipe Bailey support, and the construction period of the foundation expansion of the lower bridge abutment is greatly influenced; and secondly, after the original ground is dug in place, the steel pipe Bailey bracket is erected, so that the construction period of the viaduct bent cap is greatly influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a template support cantilever support structure.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a template support cantilever bearing structure, includes whole template support, the one end of whole template support is equipped with the first support that falls to the ground, the other end of whole template support is equipped with the second support that falls to the ground, and the first support that falls to the ground and second all with whole template support fixed connection, the first bottom that falls to the ground the support is equipped with the second crossbeam, the bottom of second crossbeam is equipped with first crossbeam, be equipped with the longeron between first crossbeam and the second crossbeam, and first crossbeam and second crossbeam pass through the longeron fixed, the bottom surface of first crossbeam is equipped with the stand, and the top and the first crossbeam fixed connection of stand.
Preferably, the bottom of the upright post is provided with a first existing structure, the upright post is fixedly installed on the top surface of the first existing structure, the bottom surface of one end of the longitudinal beam is provided with a second existing structure, and the longitudinal beam is fixedly connected with the top surface of the second existing structure.
Preferably, the center bottom surface of whole template support is equipped with the pier, and whole template support fixes at the pier top, and just first falling to the ground support and second fall to the ground support and be located the both sides of pier, be equipped with the overpass bent cap directly over the pier, and pass through whole template support fixed connection between overpass bent cap and the pier.
Preferably, the bottom of the second floor stand is provided with a bottom pad, the bottom of the stand column is provided with a fixed base, the fixed base and the stand column are fixed through a first existing structure, and the fixed base is formed by pouring concrete.
Preferably, the second crossbeam sets up two sets ofly, and first crossbeam is a set of, and two sets of second crossbeams are mirror symmetry with the central axis of longeron, whole template support and longeron all adopt the bailey piece to form for the material equipment, whole template support is formed by the bailey piece combination of two sets of concatenations, and each group is formed by three rows of bailey pieces concatenations, and the bailey piece of two sets of concatenations is mirror symmetry with the central axis of longeron, the longeron is formed by the bailey piece combination of three groups of concatenations of equidistant, and each group is formed by three rows of bailey pieces concatenations.
Preferably, the second cross beam and the longitudinal beam are fixed through bolts and a bailey sheet steel plate in the longitudinal beam.
Preferably, the first floor stand and the second floor stand are internally provided with reinforcing supports which are respectively fixed with the first floor stand and the second floor stand in a crossed manner.
Advantageous effects
According to the method, the problem that the whole formwork support at the top of the cover beam of the viaduct and the original ground excavation cannot be constructed simultaneously is solved, the erection platform is provided for the whole formwork support, project construction progress is accelerated, and construction period is saved.
According to the utility model, the integral supporting frame is arranged on the first existing structure, so that the supporting frame can be suitable for different terrains, can also be applied to working conditions in water and under poor geological conditions, is strong in practicability and has a good development prospect.
Drawings
FIG. 1 is a plan view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a partial schematic view of the present invention;
fig. 4 is a partial cross-sectional view of the present invention.
Illustration of the drawings:
1. a column; 2. a first cross member; 3. a stringer; 4. a second cross member; 5. a first floor stand; 6. a first existing structure; 7. a second existing structure; 8. a second floor stand; 9. a bottom pad; 10. a bridge pier; 11. a viaduct bent cap; 12. an integral formwork support; 13. a fixed base; 14. and (5) reinforcing the bracket.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood, the utility model is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the utility model, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.
Specific embodiments of the present invention are described below with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1-4, a template support cantilever supporting structure comprises an integral template support 12, one end of the integral template support 12 is provided with a first floor support 5, the other end of the integral template support 12 is provided with a second floor support 8, the first floor support 5 and the second floor support 8 are both fixedly connected with the integral template support 12, the bottom end of the first floor support 5 is provided with a second cross beam 4, the bottom of the second cross beam 4 is provided with a first cross beam 2, a longitudinal beam 3 is arranged between the first cross beam 2 and the second cross beam 4, the first cross beam 2 and the second cross beam 4 are fixed through the longitudinal beam 3, the bottom surface of the first cross beam 2 is provided with an upright post 1, the top end of the upright post 1 is fixedly connected with the first cross beam 2, the bottom of the upright post 1 is provided with a first existing structure 6, the upright post 1 is fixedly arranged on the top surface of the first existing structure 6, the bottom surface of one end of the longitudinal beam 3 is provided with a second existing structure 7, and the longitudinal beam 3 is fixedly connected with the top surface of the second existing structure 7.
Through setting up stand 1 and first crossbeam 2 on first existing structure 6, first crossbeam 2 fixed mounting can provide the fulcrum for longeron 3 at 1 top of stand, through the unsettled cantilever arm of longeron 3, provide the condition for setting up second crossbeam 4 on longeron 3, again through installing first ground support 5 on second crossbeam 4, make it finally form the platform of setting up of whole template support 12 jointly, through this kind of method, solved the difficult problem that whole template support 12 at former ground excavation and overhead bridge bent cap 11 top can't be under construction simultaneously, set up the platform for whole template support 12 has been provided, project construction progress has been accelerated, save construction period, and this kind of method can be applicable to different topography, also can be applied to the aquatic, the operating mode when the geological conditions are poor, therefore, the clothes hanger is strong in practicability, and has a very good development prospect.
The center bottom surface of the integral template support 12 is provided with a pier 10, the integral template support 12 is fixed at the top of the pier 10, the first floor support 5 and the second floor support 8 are located on two sides of the pier 10, a viaduct cover beam 11 is arranged right above the pier 10, and the viaduct cover beam 11 is fixedly connected with the pier 10 through the integral template support 12.
The bottom of second floor stand 8 is equipped with heelpiece 9, and the bottom of stand 1 is equipped with unable adjustment base 13, and is fixed through first existing structure 6 between unable adjustment base 13 and the stand 1, and unable adjustment base 13 forms for concrete placement.
The second crossbeam 4 sets up two sets ofly, and first crossbeam 2 is a set of, and two sets of second crossbeams 4 are mirror symmetry with the central axis of longeron 3, whole template support 12 and longeron 3 all adopt the bailey piece to form as the material equipment, whole template support 12 is formed by the bailey piece combination of two sets of concatenations, and each group is formed by three rows of bailey pieces concatenation, and the bailey piece of two sets of concatenations is mirror symmetry with the central axis of longeron 3, longeron 3 is formed by the bailey piece combination of three groups of concatenations of equidistant, and each group is formed by three rows of bailey pieces concatenation, it is fixed through the bailey piece steel sheet in bolt and the longeron 3 between second crossbeam 4 and the longeron 3.
The first floor stand 5 and the second floor stand 8 are both internally provided with reinforcing supports 14, and the reinforcing supports 14 are respectively fixed with the first floor stand 5 and the second floor stand 8 in a crossed manner.
The second embodiment is as follows:
the first drop bracket 5 is mounted as follows:
sp 1: fixedly installing the upright post 1 on the first existing structure 6 through welding between the steel bar and the steel plate;
sp 2: fixing a first cross beam 2 on the top of the upright post 1;
sp 3: leveling measures are taken for the top surface of the second existing structure 7, sand and stone and an electric steel plate are paved on the surface of the second existing structure 7, and then the longitudinal beam 3 is installed;
sp 4: the top surface of the longitudinal beam 3 is firstly provided with a first group of second cross beams 4, and then is provided with a second group of second cross beams 4, and the two groups of second cross beams 4 are fixed with a Bailey sheet steel plate in the longitudinal beam 3 through bolts;
sp 5: the first floor brackets 5 are hoisted and erected in sequence, the first floor brackets 5 are respectively arranged and fixed on the second cross beam 4, and the top ends of the first floor brackets 5 are fixed through the sand box and the integral formwork bracket 12.
One end of the longitudinal beam 3 is supported on the second existing structure 7, the connection relationship between the two is only under compression and no tension, the other end of the longitudinal beam 3 is arranged on the first cross beam 2, under the action of a single load F1, the longitudinal beam 3 may tilt and lose stability around a fulcrum, under the action of loads F1 and F2, the force arms of the load to the central axis of the first cross beam 2 are a and b respectively, and the corresponding load moments M1 and M2 are:
M1=F1*a
M2=F2*b
in order to ensure the stable structure, the following requirements are met: m1 < M2.
Claims (7)
1. A formwork support cantilever support structure, includes whole formwork support (12), its characterized in that: the one end of whole template support (12) is equipped with first support (5) that falls to the ground, the other end of whole template support (12) is equipped with the second and falls to the ground support (8), and first support (5) and the second fall to the ground support (8) equal with whole template support (12) fixed connection, the first bottom that falls to the ground support (5) is equipped with second crossbeam (4), the bottom of second crossbeam (4) is equipped with first crossbeam (2), be equipped with longeron (3) between first crossbeam (2) and second crossbeam (4), and first crossbeam (2) and second crossbeam (4) are fixed through longeron (3), the bottom surface of first crossbeam (2) is equipped with stand (1), and the top and first crossbeam (2) fixed connection of stand (1).
2. The formwork support cantilever support structure of claim 1, wherein: the bottom of stand (1) is equipped with first existing structure (6), and stand (1) fixed mounting is at the top surface of first existing structure (6), the one end bottom surface of longeron (3) is equipped with second existing structure (7), and the top surface fixed connection of longeron (3) and second existing structure (7).
3. The formwork support cantilever support structure of claim 1, wherein: the center bottom surface of whole template support (12) is equipped with pier (10), and whole template support (12) are fixed at pier (10) top, and first landing support (5) and second landing support (8) are located the both sides of pier (10), be equipped with overpass bent cap (11) directly over pier (10), and through whole template support (12) fixed connection between overpass bent cap (11) and pier (10).
4. The formwork support cantilever support structure of claim 1, wherein: the bottom of second floor stand (8) is equipped with heelpiece (9), the bottom of stand (1) is equipped with unable adjustment base (13), and fixes through first existing structure (6) between unable adjustment base (13) and stand (1), and unable adjustment base (13) are concrete placement and form.
5. The formwork support cantilever support structure of claim 1, wherein: second crossbeam (4) set up two sets ofly, and first crossbeam (2) are a set of, and two sets of second crossbeam (4) are mirror symmetry with the central axis of longeron (3), whole template support (12) and longeron (3) all adopt the bailey piece to form for the material equipment, whole template support (12) are formed by the bailey piece combination of two sets of concatenations, and each group is formed by the concatenation of three rows of bailey piece, and the bailey piece of two sets of concatenations is mirror symmetry with the central axis of longeron (3), longeron (3) are formed by the bailey piece combination of equidistant three groups of concatenations, and each group is formed by the concatenation of three rows of bailey piece.
6. The formwork support cantilever support structure of claim 1, wherein: the second cross beam (4) and the longitudinal beam (3) are fixed through bolts and a Bailey sheet steel plate in the longitudinal beam (3).
7. The formwork support cantilever support structure of claim 1, wherein: the first floor stand (5) and the second floor stand (8) are internally provided with reinforcing supports (14), and the reinforcing supports (14) are respectively fixed with the first floor stand (5) and the second floor stand (8) in a crossed manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122382837.5U CN216040719U (en) | 2021-09-30 | 2021-09-30 | Template support cantilever bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122382837.5U CN216040719U (en) | 2021-09-30 | 2021-09-30 | Template support cantilever bearing structure |
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| Publication Number | Publication Date |
|---|---|
| CN216040719U true CN216040719U (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122382837.5U Active CN216040719U (en) | 2021-09-30 | 2021-09-30 | Template support cantilever bearing structure |
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| Country | Link |
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| CN (1) | CN216040719U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113818361A (en) * | 2021-09-30 | 2021-12-21 | 福建第一公路工程集团有限公司 | Template support cantilever support system and installation method thereof |
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2021
- 2021-09-30 CN CN202122382837.5U patent/CN216040719U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113818361A (en) * | 2021-09-30 | 2021-12-21 | 福建第一公路工程集团有限公司 | Template support cantilever support system and installation method thereof |
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