CN213233147U - Prefabricated segment beam assembling temporary quick-dismantling movable support - Google Patents
Prefabricated segment beam assembling temporary quick-dismantling movable support Download PDFInfo
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- CN213233147U CN213233147U CN202021678382.0U CN202021678382U CN213233147U CN 213233147 U CN213233147 U CN 213233147U CN 202021678382 U CN202021678382 U CN 202021678382U CN 213233147 U CN213233147 U CN 213233147U
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- tower crane
- standard tower
- steel
- crane frame
- fixed
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Abstract
The utility model belongs to the technical field of bridge erection, and discloses a temporary quick-release movable support assembled by prefabricated segmental beams, a steel backing plate and a concrete leveling layer are integrally poured and fixed on the steel backing plate; the standard tower crane frame section is fixed on the steel backing plate through bolts; the adjusting joint is fixed between the upper standard tower crane frame joint and the lower standard tower crane frame joint through bolts; the transverse tie piece is fixed between two adjacent standard tower crane frame sections through bolts; the mechanical screw jack is fixed with the upper end of the standard tower crane frame section through a bolt; a multi-spliced I20I-shaped steel, a double-spliced I40I-shaped steel and a base plate are arranged between the mechanical screw jack and the frame section of the standard tower crane. The utility model is suitable for various segment beams, has wide application range, simple and convenient transportation, installation and disassembly operation, safety and economy; the structure strength of the utility model is enhanced by arranging a steel backing plate and a transverse tie piece; can adjust through adjustment and mechanical screw jack the utility model discloses a height, convenient operation, adaptability is strong.
Description
Technical Field
The utility model belongs to the technical field of the bridge erects, especially, relate to a prefabricated segmental beam assembles interim quick detach and removes support.
Background
At present, cast-in-place concrete prestressed box girders are mostly adopted in urban overhead construction. At urban traffic junctions, most road sections are passed, and the difficulty in traffic guarantee is high; the cast-in-place beam has complex modeling, construction difficulty is high at the positions where the main line and the ramp are overlapped, a frame body needs to be erected, reinforcing steel bars need to be bound, pouring, tensioning and the like, the construction period is long, the frame body, the template, the reinforcing steel bars, the concrete and the prestress work procedures are multiple, and the safety quality control difficulty is high; the outdoor operation has more working procedures, more cross operations, more required fields and larger influence on the environment; a large amount of personnel are needed during construction, and the manufacturing cost can be greatly improved along with the improvement of labor cost.
Compared with the traditional construction method of the cast-in-place box girder of the full-bore support, the segment assembling process highlights three advantages of environmental protection, traffic and speed: the construction is noiseless and dustless, and the influence on surrounding residents and the environment is greatly reduced; the construction method has the advantages that no support is needed to be erected on site, no concrete is needed to be poured and pounded on site, and traffic can be opened in construction, so that the pressure on the traffic caused by the construction is greatly reduced; and the construction is carried out by adopting the modules, so that the site construction speed is greatly increased. The construction method improves the technological content and the technical level of urban elevated engineering construction, and can greatly reduce the construction cost when being used in a large scale, so that the construction mode is more and more popular with people.
The section beam assembling temporary support is a support used in cantilever assembling section beam 1# block and side span construction. The existing bridge section beam construction support is usually built by welding steel pipe columns, and the support is heavy in weight, large in welding amount, complex in building and dismounting, large in labor force, material and mechanical investment, large in potential safety hazard and capable of increasing the site construction cost invisibly.
Through the above analysis, the problems and defects of the prior art are as follows:
(1) the existing bridge section beam construction support is usually built by welding steel pipe columns, and the support is heavy in weight, large in welding amount, complex in building and dismounting, large in labor force, material and mechanical investment, large in potential safety hazard and capable of increasing the site construction cost invisibly.
(2) Because the construction scheme at present stage, lease market are comparatively ripe, and construction inertia thinking is difficult to change, need release a light in weight, have enough to meet the need fast, assemble simple, the support that the assembled degree is high, can accelerate the construction progress, reduce the construction degree of difficulty, reduce safe risk, reduce the manual work, reduce construction cost.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that prior art exists, the utility model provides a prefabricated segment roof beam is assembled interim quick detach and is removed support.
The utility model discloses a realize like this, a prefabricated segment roof beam is assembled interim quick detach and is removed support and is provided with: a concrete leveling layer; the steel backing plate is integrally cast and fixed on the concrete leveling layer; the standard tower crane frame section is fixed on the steel backing plate through bolts; the adjusting joint is fixed between the upper standard tower crane frame joint and the lower standard tower crane frame joint through bolts; the transverse tie pieces are fixed between two adjacent standard tower crane frame sections through bolts, so that the overall balance stability of the frame body is ensured; and the mechanical screw jack is fixed with the upper end of the standard tower crane frame section through a bolt.
The utility model is suitable for a various festival section roof beams, application scope is wide, transportation and ann tear easy operation convenience, safe economy open.
Further, the thickness of the concrete leveling layer is less than 20cm, and the width of the concrete leveling layer is 4 m; the utility model discloses support basis screed-coat adopts cast in situ concrete, does not need the whole sclerosis in construction site, and within 20cm of thickness, width control is about 4m, and length is confirmed according to the bridge span that needs erect.
Further, two reinforcing steel bars or four reinforcing steel bars are integrally welded on the lower side of the steel base plate; the steel backing plate is provided with two types, and structural strength is high.
Further, the height of the standard tower crane frame section is 2.8 m.
Further, the standard tower crane frame section is provided with two rows.
Further, the height of the adjusting joint is 1m or 0.5 m; can increase and decrease the adjustment according to the on-the-spot bridge construction height and adjust the festival in order to reach the construction demand.
Further, the mechanical jack screw is provided with: the jack comprises a jack base plate, wherein a base is arranged on the base plate, a screw rod is arranged in the base, a pressing plate is arranged on the screw rod, and a rubber base plate is arranged on the pressing plate; a rotating handle is arranged on the screw rod; the utility model provides a mechanical screw jack which belongs to an adjusting locking top bracing component; can adjust the discrepancy in elevation according to the job site is actual, guarantee the holistic balanced stability of support body.
Further, be provided with between mechanical screw jack and the standard tower crane frame festival and piece together I20I-steel, double-pin I40I-steel and backing plate more, piece together I20I-steel more set up in double-pin I40I-steel upper portion, double-pin I40I-steel sets up in backing plate upper portion.
Compared with the scheme of the steel pipe column, the weight is reduced by about 40%, the dismounting artificial machinery is reduced by about 50%, the moving and transferring are convenient and fast, the transferring block is wide in applicability, and the comprehensive construction cost is saved by more than 40%.
Combine foretell all technical scheme, the utility model discloses the advantage that possesses and positive effect are: the utility model is suitable for various segment beams, has wide application range, simple and convenient transportation, installation and disassembly operation, safety and economy; the structure strength of the utility model is enhanced by arranging a steel backing plate and a transverse tie piece; can adjust through adjustment and mechanical screw jack the utility model discloses a height, convenient operation, adaptability is strong.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.
Fig. 1 is a schematic structural view of a temporary quick-release mobile support assembled by prefabricated sectional beams according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a standard tower crane frame section provided in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a mechanical screw jack provided in an embodiment of the present invention;
fig. 4 is an effect diagram of the temporary quick-release mobile bracket assembled by the prefabricated segmental beams provided by the embodiment of the utility model.
In the figure: 1. a steel backing plate; 2. standard tower crane frame sections; 3. adjusting; 4. a transverse tie; 5. a base plate; 6. the upper part of the double I40I-shaped steel; 7. I20I-steel; 8. a mechanical screw jack; 9. a jack backing plate; 10. a base; 11. a lead screw; 12. rotating the handle; 13. pressing a plate; 14. a rubber pad; 15. and (5) leveling the concrete layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Problem to prior art existence, the utility model provides a prefabricated segment girder assembles interim quick detach and removes support, it is right to combine the figure below the utility model discloses do detailed description.
As shown in fig. 1 to 3, the embodiment of the utility model provides a prefabricated segment roof beam is assembled interim quick detach and is removed support includes: the device comprises a steel backing plate 1, a standard tower crane frame section 2, an adjusting section 3, a transverse tie piece 4, a backing plate 5, a double-spliced I40I-steel upper part 6, an I20I-steel 7, a mechanical screw jack 8, a jack backing plate 9, a base 10, a screw rod 11, a rotating handle 12, a pressing plate 13 and a rubber backing plate 14.
Example 1
The steel backing plate 1 of the embodiment is integrally poured and fixed on the concrete leveling layer 15, and two rows of standard tower crane frame sections 2 are fixed on the steel backing plate 1 through bolts; the height of the standard tower crane frame sections 2 is 2.8m, and a transverse tie piece 4 is arranged between the left and right standard tower crane frame sections 2, so that the overall balance stability of the frame body is ensured; the upper end of the standard tower crane frame section 2 is fixed with a mechanical screw jack 8 through a bolt; the utility model is suitable for a various festival section roof beams, application scope is wide, transportation and ann tear easy operation convenience, safe economy open.
Example 2
On the basis of the embodiment 1, the thickness of the concrete leveling layer is less than 20cm, and the width of the concrete leveling layer is 4 m; the utility model discloses support basis screed-coat adopts cast in situ concrete, does not need the whole sclerosis in construction site, and within 20cm of thickness, width control is about 4m, and length is confirmed according to the bridge span that needs erect.
Example 3
On the basis of the embodiment 1, two reinforcing steel bars or four reinforcing steel bars are integrally welded on the lower side of the steel base plate 1; the steel backing plate 1 is provided with two types, and the structural strength is high.
Example 4
On the basis of the embodiment 1, the height of the adjusting joint 3 is 1m or 0.5 m; can be according to on-spot bridge construction height increase and decrease adjustment 3 in order to reach the construction demand.
Example 5
In addition to embodiment 1, the mechanical screw jack 8 of the present embodiment is provided with: the jack comprises a jack backing plate 9, wherein a base 10 is arranged on the backing plate, a screw rod 11 is arranged in the base 10 through threads, a pressing plate 13 is arranged on the screw rod 11, and a rubber backing plate 14 is arranged on the pressing plate 13; a rotating handle 12 is arranged on the screw rod 11; the utility model provides a mechanical screw jack 8 which belongs to an adjusting locking top bracing component; can adjust the discrepancy in elevation according to the job site is actual, guarantee the holistic balanced stability of support body.
Example 6
On the basis of embodiment 1, a multi-spliced I20I-shaped steel 7, a double-spliced I40I-shaped steel 6 and a base plate 5 are arranged between a mechanical screw jack 8 and a standard tower crane frame section 2, the multi-spliced I20I-shaped steel 7 is arranged on the upper portion of the double-spliced I40I-shaped steel 6, and the double-spliced I40I-shaped steel 6 is arranged on the upper portion of the base plate 5.
The utility model discloses a theory of operation does: the steel backing plate 1 of the utility model is integrally poured and fixed on the concrete leveling layer, and two rows of standard tower crane frame sections 2 are fixed on the steel backing plate 1 through bolts; the height of the standard tower crane frame sections 2 is 2.8m, and a transverse tie piece 4 is arranged between the left and right standard tower crane frame sections 2, so that the overall balance stability of the frame body is ensured; the upper end of the standard tower crane frame section 2 is fixed with a mechanical screw jack 8 through a bolt.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be covered within the protection scope of the present invention by those skilled in the art within the technical scope of the present invention.
Claims (8)
1. The utility model provides a prefabricated segmental beam assembles interim quick detach and removes support which characterized in that, prefabricated segmental beam assembles interim quick detach and removes support and is provided with:
a concrete leveling layer;
the steel backing plate is integrally cast and fixed on the concrete leveling layer;
the standard tower crane frame section is fixed on the steel backing plate through bolts;
the adjusting joint is fixed between the upper standard tower crane frame joint and the lower standard tower crane frame joint through bolts;
the transverse tie piece is fixed between two adjacent standard tower crane frame sections through bolts;
and the mechanical screw jack is fixed at the upper end of the standard tower crane frame section through a bolt.
2. A precast segment beam assembling temporary quick-release moving support as claimed in claim 1, wherein the concrete leveling layer is less than 20cm thick and 4m wide.
3. A prefabricated section beam assembling temporary quick-release moving support frame as claimed in claim 1, wherein two or four high-strength bolts are integrally welded to the lower side of the steel backing plate.
4. A prefabricated section beam assembling temporary quick-release moving support frame as claimed in claim 1, wherein the standard tower crane frame section height is 2.8 m.
5. A prefabricated section beam assembling temporary quick-release moving support frame as claimed in claim 1, wherein two columns of standard tower crane frame sections are arranged.
6. A precast sectional beam assembling temporary quick-release moving support as claimed in claim 1, wherein the adjustment height is 1m or 0.5 m.
7. A precast segment beam assembling temporary quick-release moving support as claimed in claim 1, wherein the mechanical screw jack is provided with: the jack comprises a jack base plate, wherein a base is arranged on the base plate, a screw rod is arranged in the base, a pressing plate is arranged on the screw rod, and a rubber base plate is arranged on the pressing plate; and a rotating handle is arranged on the screw rod.
8. A prefabricated section beam assembling temporary quick-dismantling movable support as claimed in claim 1, wherein a multi-assembling I20I-steel, a double-assembling I40I-steel and a base plate are arranged between the mechanical screw jack and a standard tower crane frame section, the multi-assembling I20I-steel is arranged on the upper portion of the double-assembling I40I-steel, and the double-assembling I40I-steel is arranged on the upper portion of the base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021678382.0U CN213233147U (en) | 2020-08-13 | 2020-08-13 | Prefabricated segment beam assembling temporary quick-dismantling movable support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021678382.0U CN213233147U (en) | 2020-08-13 | 2020-08-13 | Prefabricated segment beam assembling temporary quick-dismantling movable support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213233147U true CN213233147U (en) | 2021-05-18 |
Family
ID=75894589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021678382.0U Expired - Fee Related CN213233147U (en) | 2020-08-13 | 2020-08-13 | Prefabricated segment beam assembling temporary quick-dismantling movable support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213233147U (en) |
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2020
- 2020-08-13 CN CN202021678382.0U patent/CN213233147U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210518 |
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| CF01 | Termination of patent right due to non-payment of annual fee |