CN211368420U - Main tower lower beam bracing support system - Google Patents
Main tower lower beam bracing support system Download PDFInfo
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- CN211368420U CN211368420U CN201922084453.8U CN201922084453U CN211368420U CN 211368420 U CN211368420 U CN 211368420U CN 201922084453 U CN201922084453 U CN 201922084453U CN 211368420 U CN211368420 U CN 211368420U
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Abstract
The utility model provides a main tower lower beam diagonal bracing support system, a supporting die of a crossing section of an ultra-large cross section lower beam adopts a bearing platform supporting type floor K-shaped support, a stand column of the support adopts a steel pipe column, the steel pipe column is supported on a tower base and a bearing platform top, the bottom of the steel pipe column is respectively fixed by a first embedded part and a second embedded part, the first embedded part and the second embedded part are accurately installed and positioned by a shaped support, the upper part of an oblique steel pipe column is fixed by a pulling screw rod, the upper part of a vertical steel pipe column is fixed by a hoop, the steel pipe column top is provided with section steel as a beam, the section steel is sequentially provided with a Bailey beam, I-shaped steel and a shaped template to form a construction bearing platform, the main tower lower beam diagonal bracing support system has reasonable support point design, strong support force balance, firm support fixation, small influence by wind power and mechanical acting force and large bearing capacity, a bracket system does not need to be erected in water, the influence of water flow is small, and the economic and technical benefits are better.
Description
Technical Field
The utility model relates to a main tower bottom end rail bracing support system, in particular to ultralow super large cross-section bottom end rail bracing support system in big velocity of flow waters.
Background
The bridge support is the main bearing structure of the construction of the integral cast-in-place continuous box girder, has the advantages of convenient transportation, simple installation and disassembly, good integrity and the like, can be widely applied to the construction of the large-span bridge, and has obvious problem of support collapse in the application. In some areas, the support collapses in the construction process for many times, so that a major liability accident of bridge collapse is caused, immeasurable loss is caused to the life safety of people and national property, and severe social influence is also generated.
A series of bridge support collapse accidents are mainly caused by the following reasons: (1) the support is supported under water, is greatly influenced by water flow and ships, and has a weak foundation. (2) The cast-in-place continuous box girder has large size and large load, the strength of the support is low, and the support collapses due to insufficient bearing capacity. (3) The support supporting point is unreasonable in design, and the side turning is caused by the unbalanced stress of the support. (4) Local fastener exists quality or construction error, and the support is fixed insecure, is easily influenced by adverse factor such as wind-force, mechanical action power to lead to the unstability.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an improve bearing capacity of bottom end rail support system, reduce the influence of rivers, wind-force, optimize the simple effectual main tower bottom end rail bracing support system of structure atress characteristics, improve the security of construction, reduce loss of property, have better technical and economic benefits.
This technical scheme provides a main tower bottom end rail bracing mounting system, arranges main tower in on, wherein the tower socket of main tower arranges the cushion cap in on, the tower column is arranged in on the tower socket, include: the lower cross beam spans a section formwork, profile steel, a military Bailey beam, I-shaped steel and a sizing formwork; wherein the die of the cross section of the lower beam is supported by a bearing platform and falls to the ground K-shaped support, the bearing platform is supported by a bearing platform and falls to the ground K-shaped support and is composed of a vertical steel pipe column, an oblique steel pipe column and an I-shaped steel framework, wherein the vertical steel pipe column is supported on a tower base, the oblique steel pipe column is supported on the top side of the bearing platform, the I-shaped steel framework is welded between the vertical steel pipe column and the oblique steel pipe column, the oblique steel pipe column is connected with a first embedded part on the bearing platform, the vertical steel pipe column is connected with a second embedded part on the tower base, the upper part of the oblique steel pipe column is fixed with the tower column in a counter-pulling mode through a counter-pulling screw rod, the upper part of the vertical steel pipe column is fixed with the tower column through a hoop, profile steels are arranged on the top sides of.
In some embodiments, the first embedded part is formed by welding a steel plate and a twisted steel bar; the second embedded part is formed by welding a steel plate and a twisted steel.
In some embodiments, the first embedment and the second embedment are mounted and positioned by a sizing bracket.
In some embodiments, the modular support is connected to the first embedment and the second embedment, respectively, and is disposed within the bearing platform and the tower base.
In some embodiments, an inclined steel pipe column reserved mounting hole is reserved in the bearing platform, and a vertical steel pipe column reserved mounting hole is reserved in the tower seat.
In some embodiments, an I-shaped steel skeleton is welded between the oblique steel pipe column and the vertical steel pipe column.
In some embodiments, a screw rod cushion block is arranged on the oblique steel pipe column, a screw rod hole is reserved in the tower column, one end of the counter-pulling screw rod is fixed on the screw rod cushion block, and the other end of the counter-pulling screw rod penetrates through the reserved screw rod hole in the tower column.
In some embodiments, a plurality of hoops are arranged at the upper part of the vertical steel pipe column, the vertical steel pipe column is fixedly attached to the tower column through the hoops, and the tightness of the hoops is adjusted through bolts.
In some embodiments, the military Bailey beams are arranged on the section steel in the longitudinal bridge direction, I25a I-shaped steel is arranged on the military Bailey beams in the transverse bridge direction, I16I-shaped steel of the longitudinal distribution beam is arranged on the I25a I-shaped steel, and the sizing templates are arranged on the I16I-shaped steel.
Compared with the prior art, the technical scheme has the following characteristics and beneficial effects:
1. the utility model provides a lower beam cross section formwork adopts the cushion cap support formula to fall to the ground K style of calligraphy support, and this support supports at main tower cushion cap top, need not set up the support system in aqueous, receives the rivers influence for a short time.
2. The utility model provides a steel pipe column bottom is connected with the built-in fitting, and the built-in fitting carries out the accurate positioning through regularization support, has reduced the displacement at concreting in-process built-in fitting effectively, has improved the precision of steel pipe column bottom installation location.
Drawings
Fig. 1 is a structural diagram of a main tower lower beam bracing support system according to an embodiment of the present invention.
Fig. 2 is a cross-sectional view of a main tower lower beam bracing support system according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of a reserved hole of a lower beam diagonal bracing support system supporting platform and a tower base according to an embodiment of the present invention.
Fig. 4 is a block diagram of a stylized support in accordance with an embodiment of the present disclosure.
FIG. 5 is a first embedment component view.
FIG. 6 is a second embedment component view.
Wherein: 1-cushion cap, 2-regularization bracket, 3-first embedded part, 4-second embedded part, 5-screw cushion block, 6-split screw, 7-I-steel skeleton, 8-oblique steel pipe column, 9-tower base, 10-hoop, 11-vertical steel pipe column, 19-tower column, 20-section steel, 21-military Bailey beam, 22-I25a I-steel, 23-I16I-steel, 24-template, 25-post-cast strip, 26-lower cross beam, 27-steel plate, 28-steel bar, 29-oblique steel pipe column reserved mounting hole, and 30-vertical steel pipe column reserved mounting hole.
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 all belong to the protection scope of the present invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number. Welding technical requirement between reinforcing bar, the steel sheet, the bolt of various models, screw rod installation technical requirement, concrete placement technology, be connected welding technique etc. between shaped steel and bailey roof beam, bailey roof beam and the I-steel distribution roof beam, the utility model discloses no longer state, the key explanation the utility model discloses an embodiment of structure.
The diagonal bracing support system for the lower cross beam of the main tower comprises a bearing platform 1, a regularization support 2, a first embedded part 3, a second embedded part 4, a screw cushion block 5, a counter-pull screw 6, an I-shaped steel framework 7, an oblique steel pipe column 8, a tower base 9, a hoop 10, a vertical steel pipe column 11, a tower column 19, section steel 20, a military Bailey beam 21, I25a I-shaped steel 22, I16I-shaped steel 23, a template 24, a post-cast strip 25, a lower cross beam 26, a steel plate 27, a steel bar 28, a reserved mounting hole 29 for the oblique steel pipe column, a reserved mounting hole 30 for the vertical steel pipe column and the like.
The tower base 9 is arranged on the bearing platform 1, the tower column 19 is arranged on the tower base 9, and the main tower lower beam inclined strut support frame system is arranged on the bearing platform 1 and the tower base 9 and comprises a lower beam cross section support frame, section steel 20, a military Bailey beam 21, I-shaped steel 22 and a sizing template 24. Wherein the cross section formwork of the lower cross beam adopts a bearing platform support type floor K-shaped support which is composed of a vertical steel pipe column 11, an oblique steel pipe column 8 and an I-shaped steel framework 7, wherein the vertical steel pipe column 11 is supported on a tower base 9, the oblique steel pipe column 8 is supported on the top side of the bearing platform 1, the I-shaped steel framework 7 is welded between the vertical steel pipe column 11 and the oblique steel pipe column 8, the oblique steel pipe 8 is connected with a first embedded part 3 on the bearing platform 1, the vertical steel pipe column 11 is connected with a second embedded part 4 on the tower base 9, the first embedded part 3 and the second embedded part 4 are accurately installed and positioned through a regularization support 2, the upper part of the oblique steel pipe column 8 is fixed with a tower column 19 in a counter-pulling manner through a counter-pulling screw rod 6, the upper part of the vertical steel pipe column 11 is fixed with the tower column 19 in an attached manner through a hoop 10, the top sides of the vertical steel pipe column 11, the military Bailey beam 21, the I-steel 22 and the standardized template 24 are sequentially arranged on the section steel 20 to form a construction bearing platform.
As shown in fig. 5, the first embedded part 3 is formed by welding steel plates 27 and twisted steel bars 28, and in the present embodiment, the first embedded part 3 is formed by welding steel plates 27 and 16 twisted steel bars 28; the second embedded part 4 is formed by welding steel plates 27 and twisted steel bars 28, and in the technical scheme, the second embedded part 4 is formed by welding steel plates 27 and 25 twisted steel bars 28.
The first embedded part 3 and the second embedded part 4 are embedded in the bearing platform 1 and the tower base 9 in the pouring process respectively, an inclined steel pipe column reserved installation hole 29 is reserved in the bearing platform 1, a vertical steel pipe column reserved installation hole 30 is reserved in the tower base 9, the bottom of an inclined steel pipe column 8 is inserted into the inclined steel pipe column reserved installation hole 29 reserved in the bearing platform 1 and welded with the first embedded part 3 in the bearing platform 1, and the bottom of a vertical steel pipe column 11 is inserted into the vertical steel pipe column reserved installation hole 30 reserved in the tower base 9 and welded with the second embedded part 4 in the tower base 9. After the oblique steel pipe columns 8 and the vertical steel pipe columns 11 are temporarily stabilized through the auxiliary device, I-shaped steel frameworks 7 are welded between the steel pipe columns to form a bearing platform support type floor K-shaped support structure.
As shown in fig. 4, the first embedded part 3 and the second embedded part 4 are connected together by the regularization support 2, so that the embedded parts are prevented from moving in position in the concrete pouring process, and accurate positioning and installation of the embedded parts are realized. Specifically, the regularization support 2 is connected with a first embedded part 3 and a second embedded part 4 respectively and is arranged in the bearing platform 1 and the tower seat 9.
The oblique steel pipe column 8 is provided with a screw rod cushion block 5, a screw rod hole is reserved in the tower column 19 during pouring, one end of the counter-pulling screw rod 6 is fixed on the screw rod cushion block 5, the other end of the counter-pulling screw rod penetrates through the reserved screw rod hole in the tower column 19, and the oblique steel pipe column 8 and the tower column 19 are counter-pulled.
The upper part of the vertical steel pipe column 11 is provided with a plurality of hoops 10, the vertical steel pipe column 11 is fixedly attached to the tower column 19 through the hoops 10, and the tightness of the hoops 10 can be adjusted through bolts.
After the oblique steel pipe column 8 and the vertical steel pipe column 11 are fixed, section steel 20 is arranged on the top sides of the oblique steel pipe column 8 and the vertical steel pipe column 11 and serves as a cross beam, a military Bailey beam 21 is arranged on the section steel 20 in the longitudinal bridge direction, I25a I-shaped steel 22 is arranged on the military Bailey beam 21 in the transverse bridge direction, a longitudinal distribution beam I16I-shaped steel 23 is arranged on the I25a I-shaped steel 22, and a regularization template 24 is arranged on the I16I-shaped steel 23 to form a construction bearing platform.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.
Claims (9)
1. The utility model provides a main tower bottom end rail bracing mounting system, arranges main tower in on, wherein on cushion cap (1) is arranged in to tower seat (9) of main tower, and on tower seat (9) was arranged in to pylon (19), its characterized in that includes:
a lower cross beam cross section formwork, section steel (20), a military Bailey beam (21), I-shaped steel (22) and a sizing formwork (24);
wherein the lower beam crossing section formwork adopts a bearing platform support type floor K-shaped support, the bearing platform support type floor K-shaped support consists of a vertical steel pipe column (11), an oblique steel pipe column (8) and an I-shaped steel skeleton (7), the vertical steel pipe column (11) is supported on a tower base (9), the oblique steel pipe column (8) is supported on the top side of the bearing platform (1), the vertical steel pipe column (11) and the oblique steel pipe column (8) are welded with the I-shaped steel skeleton (7), the oblique steel pipe column (8) is connected with a first embedded part (3) on the bearing platform (1), the vertical steel pipe column (11) is connected with a second embedded part (4) on the tower base (9), the upper part of the oblique steel pipe column (8) is fixed with the tower column (19) in a counter-pulling way through a counter-pulling screw rod (6), the upper part of the vertical steel pipe column (11) is fixed with the tower column (19) through a hoop (10), the top sides of the vertical steel pipe column (11) and the oblique steel pipe column (8) are provided with section steel (20), and the section steel (20) is sequentially provided with a military Bailey beam (21), I-shaped steel (22) and a sizing template (24).
2. The main tower lower beam diagonal bracing support system according to claim 1, wherein the first embedded part (3) is formed by welding a steel plate (27) and a twisted steel bar (28); the second embedded part (4) is formed by welding a steel plate (27) and a twisted steel bar (28).
3. The main tower lower beam brace bracket system of claim 1,
the first embedded part (3) and the second embedded part (4) are installed and positioned through the regularization support (2).
4. The main tower lower beam diagonal bracing support system according to claim 3, wherein the shaped support (2) is connected with the first embedded part (3) and the second embedded part (4) respectively and is arranged in the bearing platform (1) and the tower base (9).
5. The main tower lower cross beam diagonal bracing support system according to claim 1, wherein an inclined steel pipe column reserved mounting hole (29) is reserved in the bearing platform (1), and a vertical steel pipe column reserved mounting hole (30) is reserved in the tower base (9).
6. The main tower lower beam diagonal bracing support system according to claim 1, wherein an I-shaped steel skeleton (7) is welded between the oblique steel pipe column (8) and the vertical steel pipe column (11).
7. The main tower lower cross beam diagonal bracing support system according to claim 1, wherein the oblique steel pipe column (8) is provided with a screw rod cushion block (5), a screw rod hole is reserved on the tower column (19), one end of the counter-pulling screw rod (6) is fixed on the screw rod cushion block (5), and the other end of the counter-pulling screw rod passes through the reserved screw rod hole on the tower column (19).
8. The main tower lower beam diagonal bracing support system according to claim 1, wherein a plurality of hoops (10) are arranged at the upper part of the vertical steel pipe column (11), the vertical steel pipe column (11) is fixedly attached to the tower column (19) through the hoops (10), and the tightness of the hoops (10) is adjusted through bolts.
9. The main tower lower beam diagonal bracing support system according to claim 1, wherein the military Bailey beam (21) is arranged on the section steel (20) in the longitudinal direction, the I25a I-steel (22) is arranged on the military Bailey beam (21) in the transverse direction, the I16I-steel (23) of the longitudinal distribution beam is arranged on the I25a I-steel (22), and the sizing template (24) is arranged on the I16I-steel (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922084453.8U CN211368420U (en) | 2019-11-26 | 2019-11-26 | Main tower lower beam bracing support system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922084453.8U CN211368420U (en) | 2019-11-26 | 2019-11-26 | Main tower lower beam bracing support system |
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| Publication Number | Publication Date |
|---|---|
| CN211368420U true CN211368420U (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922084453.8U Active CN211368420U (en) | 2019-11-26 | 2019-11-26 | Main tower lower beam bracing support system |
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| CN (1) | CN211368420U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114775431A (en) * | 2022-04-13 | 2022-07-22 | 中交路桥建设有限公司 | Assembling and sliding support for large-tonnage steel cross beam of cable-stayed bridge cable tower |
-
2019
- 2019-11-26 CN CN201922084453.8U patent/CN211368420U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114775431A (en) * | 2022-04-13 | 2022-07-22 | 中交路桥建设有限公司 | Assembling and sliding support for large-tonnage steel cross beam of cable-stayed bridge cable tower |
| CN114775431B (en) * | 2022-04-13 | 2024-05-14 | 中交路桥建设有限公司 | Splicing sliding support for large-tonnage steel cross beam of cable-stayed bridge cable tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Slant support support system of lower beam of main tower Effective date of registration: 20230927 Granted publication date: 20200828 Pledgee: Industrial Bank Limited by Share Ltd. Wuhan branch Pledgor: HUBEI PROVINCIAL ROAD & BRIDGE Co.,Ltd. Registration number: Y2023980059401 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |