CN210737378U - Support is used in bridge king-tower entablature construction - Google Patents
Support is used in bridge king-tower entablature construction Download PDFInfo
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- CN210737378U CN210737378U CN201921112863.2U CN201921112863U CN210737378U CN 210737378 U CN210737378 U CN 210737378U CN 201921112863 U CN201921112863 U CN 201921112863U CN 210737378 U CN210737378 U CN 210737378U
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- steel pipe
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Abstract
The utility model discloses a support is used in bridge king-tower entablature construction, include: the structure comprises two main tower towers which are oppositely arranged left and right, a plurality of assembled brackets which are connected with the two main tower towers in parallel in the longitudinal bridge direction between the two main tower towers, oblique leg bearing frames and arch-shaped steel trusses, wherein the assembled brackets are arranged at the tops of all the assembled brackets side by side, the oblique leg bearing frames and the assembled brackets are welded into a whole through the stiffening plates at the tops of the brackets, the longitudinal bridge direction is arranged at the structural joint of the oblique leg bearing frames, the arch-shaped steel trusses are arranged on the bearing beams in the longitudinal bridge direction, and therefore the shaping truss which is used for supporting the upper cross beam of the main tower is formed. The utility model has the advantages that: simple structure, the installation is dismantled conveniently, and the material quantity is few, and use cost is low, and high altitude steel construction hoist and mount risk is little, and the construction safety is high, and construction period is short.
Description
Technical Field
The utility model relates to a bridge construction technical field, concretely relates to support is used in bridge king-tower entablature construction.
Background
The main tower is one of the important stressed members of the bridge, which mainly bears the pressure transmitted by the main cable. In order to increase the transverse rigidity of the main tower and ensure the reasonability of the stress of the structure, an upper cross beam and a lower cross beam are generally arranged between two tower columns of the main tower. To main tower entablature, all use steel pipe scaffold frame or steel-pipe column etc. to fall to ground support at present and construct the installation, this kind of construction mode has that the support material quantity is big, use cost is high, and high altitude steel construction hoist and mount risk is big, and construction safety is low, and construction period is long grade shortcoming.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a low and high support is used in bridge king-tower entablature construction of construction security of use cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the support is used in construction of bridge king-tower entablature, include: relative main tower pylon that sets up about two, assembled bracket, oblique leg bearing frame, arch shaped steel truss, its characterized in that: the longitudinal bridge is arranged between the two main tower towers in the longitudinal direction, a plurality of assembled brackets for connecting the two main tower towers are arranged side by side in the front-back direction, the tops of all the assembled brackets are provided with stiffening plates, the oblique leg bearing frames and the assembled brackets are welded into a whole through the stiffening plates at the tops of the brackets, the longitudinal bridge is arranged at the structural connection part of the oblique leg bearing frames, and arch-shaped steel trusses are arranged on the bearing beams in the longitudinal bridge direction so as to form a shaping truss for supporting the upper cross beam of the main tower.
Further, aforementioned support is used in bridge king-tower entablature construction, wherein: and (3) reserving a locking hole and a bearing groove when the concrete of the tower column is poured, and fixing the assembled brackets with the tower column through finish-rolled deformed steel bars penetrating through the locking hole of the tower column after all the assembled brackets are inserted into the bearing groove of the tower column.
Further, aforementioned support is used in bridge king-tower entablature construction, wherein: oblique leg bearing frame structure includes: the plurality of inclined leg bearing frames are arranged side by side in the longitudinal bridge direction, and all the inclined leg bearing frames are connected through channel steel to form a whole body so as to enhance the integral stability of the structure; by utilizing the characteristics of the axial tensile strength of the steel pipe structure, the inclined leg bearing frame consists of an inclined steel pipe and a horizontal steel pipe, the inclined steel pipe is integrated with the horizontal steel pipe at the joint, the horizontal steel pipe is interrupted, and the connecting joint is stiffened and fixed by 2 penetrating steel plates.
Further, aforementioned support is used in bridge king-tower entablature construction, wherein: the concrete connection structure of oblique leg bearing frame does: the flange plates are respectively arranged on one side of the connecting point of the horizontal steel pipe and the inclined steel pipe close to the middle part, the horizontal steel pipe and the bearing bracket, and the inclined steel pipe and the bearing bracket are connected, and the structure is connected and fixed together in a detachable mode through the flange plates in a butt joint and locking mode, so that the installation and the removal of the split plates are facilitated.
Further, aforementioned support is used in bridge king-tower entablature construction, wherein: the single inclined leg bearing frame is divided into three parts by each flange plate, inclined leg triangular frames on two sides are symmetrically installed and fixed with a tower column bracket during installation, and finally a middle folding horizontal pipe is installed.
Further, aforementioned support is used in bridge king-tower entablature construction, wherein: and longitudinal bearing beams are arranged at the connecting positions of the horizontal steel pipes and the bearing brackets and at the connecting tops of the inclined steel pipes and the horizontal steel pipes, so that the steel pipe frame is ensured to mainly bear axial force, and the structure is prevented from generating large bending moment.
Further, aforementioned support is used in bridge king-tower entablature construction, wherein: the concrete connection structure of the arch-shaped steel truss is as follows: the vertical rod horizontal rod and the diagonal rod are mainly composed, each rod piece is made of section steel or I-shaped steel, the joint connection position is stiffened by adopting a steel plate, the radian of an arch ring is the same as that of a cross beam, the lower part of the arch ring is connected with a bearing beam, and longitudinal pieces are connected through the I-shaped steel among the joints to form a whole.
Through the implementation of the above technical scheme, the beneficial effects of the utility model are that: simple structure, installation easy maintenance, the material quantity is few, and use cost is low, and high altitude steel construction hoist and mount risk is little, and construction safety is high, and construction period is short.
Drawings
Fig. 1 is the utility model discloses a support for bridge king-tower entablature construction's structure schematic diagram.
Fig. 2 is an enlarged schematic view of a portion E shown in fig. 1.
Fig. 3 is an enlarged schematic view of a portion F shown in fig. 1.
Fig. 4 is an enlarged schematic view of a portion G shown in fig. 1.
Fig. 5 is a schematic view of the positional relationship of the inclined leg bearing frames in the top view of fig. 1.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
As shown in fig. 1, 2, 3, 4 and 5, the bracket for constructing the upper cross beam of the main tower of the bridge comprises: the structure comprises two main tower towers 1 arranged oppositely left and right, an assembled bracket 8, an inclined leg bearing frame and an arch-shaped steel truss 4, wherein a plurality of assembled brackets 8 connected with the two main tower towers are arranged side by side in the longitudinal bridge direction between the two main tower towers 1 in the example, the tops of all the assembled brackets are provided with stiffening plates, the inclined leg bearing frame and the assembled brackets are welded into a whole through the stiffening plates at the tops of the brackets, the longitudinal bridge direction bearing beam 9 is arranged at the structural connection part of the inclined leg bearing frame, and the arch-shaped steel truss 4 is arranged on the bearing beam 9 in the longitudinal bridge direction so as to form a shaping truss for supporting the upper cross beam of the main tower.
In this example, the locking holes and the bearing grooves are reserved when the concrete is poured into the tower column 1, and after all the fabricated brackets 8 are inserted into the tower column bearing grooves, the fabricated brackets are fixed to the tower column by finish-rolled deformed steel bars penetrating through the tower column locking holes.
In this example, the oblique leg bearing frame structure includes: the plurality of inclined leg bearing frames are arranged side by side in the longitudinal bridge direction, and all the inclined leg bearing frames are connected into a whole through channel steel parallel connection 5 and a cross brace 6 so as to enhance the integral stability of the structure; by utilizing the characteristic of the axial tensile strength of the steel pipe structure, the inclined leg bearing frame is composed of an inclined steel pipe 11 and horizontal steel pipes 21 and 22, the inclined steel pipe 11 is integrated with the horizontal steel pipe 21 at the joint of the inclined steel pipe 11 and the horizontal steel pipe 21, the horizontal steel pipe 21 is discontinuous, and two penetrating steel plates 10 are used for reinforcing and fixing the joint. The flange plates 7 are respectively arranged on one side of the connecting point of the horizontal steel pipe 21 and the inclined steel pipe 11 close to the middle part, the horizontal steel pipe 21 is connected with the bearing bracket 8, and the inclined steel pipe 11 is connected with the bearing bracket 8, and the structure is connected and fixed together in a detachable mode through the flange plates 7 in a butt joint and locking mode, so that the installation and the removal of the split plates are facilitated.
In the embodiment, the longitudinal bearing beams 9 are arranged at the connecting positions of the horizontal steel pipes 21 and the bearing brackets 8 and at the connecting tops of the inclined steel pipes 11 and the horizontal steel pipes 21, so that the steel pipe frame is ensured to mainly bear axial force, and the structure is prevented from generating large bending moment.
In this example, the concrete connection structure of the arched steel girders 4 is: the vertical rod horizontal rod and the diagonal rod are mainly composed, each rod piece is made of section steel or I-shaped steel, the joint connection position is stiffened by adopting a steel plate, the radian of an arch ring is the same as that of a cross beam, the lower part of the arch ring is connected with a bearing beam, and longitudinal pieces are connected through the I-shaped steel among the joints to form a whole.
During installation, the single inclined leg bearing frame is divided into three parts through the flange plates 7, the assembled bracket 8, the inclined leg triangular supports G on two sides and the arch-shaped steel truss 4 are machined and formed in the rear field firstly, then the inclined leg triangular supports G on two sides are symmetrically installed by adopting a tower crane and are fixed with the bearing bracket 8 through the flange plates 7, finally, the folding horizontal pipe 22 is installed, after the folding and installation of the inclined leg bearing frames are completed, the cross connection 5 between the inclined leg bearing frames is installed, the cross braces 6 are arranged to form a whole, the bearing beams 9 and the arch-shaped steel truss 4 are installed on the inclined leg bearing frames step by step in sequence, and the installation of the beam support on the bridge main tower is completed.
The utility model has the advantages that: simple structure, the installation is dismantled conveniently, and the material quantity is few, and use cost is low, and high altitude steel construction hoist and mount risk is little, and the construction safety is high, and construction period is short.
Claims (7)
1. A support is used in construction of bridge king-tower entablature, includes: relative main tower pylon that sets up about two, assembled bracket, oblique leg bearing frame, arch shaped steel truss, its characterized in that: the longitudinal bridge is arranged between the two main tower towers in the longitudinal direction, a plurality of assembled brackets for connecting the two main tower towers are arranged side by side in the front-back direction, the tops of all the assembled brackets are provided with stiffening plates, the oblique leg bearing frames and the assembled brackets are welded into a whole through the stiffening plates at the tops of the brackets, the longitudinal bridge is arranged at the structural connection part of the oblique leg bearing frames, and arch-shaped steel trusses are arranged on the bearing beams in the longitudinal bridge direction so as to form a shaping truss for supporting the upper cross beam of the main tower.
2. The bracket for constructing the upper cross beam of the main tower of the bridge as claimed in claim 1, wherein: and (3) reserving a locking hole and a bearing groove when the concrete of the tower column is poured, and fixing the assembled brackets with the tower column through finish-rolled deformed steel bars penetrating through the locking hole of the tower column after all the assembled brackets are inserted into the bearing groove of the tower column.
3. The bracket for constructing the upper cross beam of the main tower of the bridge as claimed in claim 1 or 2, wherein: oblique leg bearing frame structure includes: the multi-sheet oblique leg bearing frame longitudinal bridge sets up to side by side, forms wholly through the channel-section steel connection between each oblique leg bearing frame to reinforcing structure overall stability utilizes the characteristics of steel tubular construction axial pull pressure intensity, and oblique leg bearing frame comprises oblique steel pipe and horizontal steel pipe, and oblique steel pipe and horizontal steel pipe junction, oblique steel pipe are whole, and horizontal steel pipe is interrupted, and adopts 2 steel sheets of punching to put more energy into fixedly at connected node.
4. The bracket for constructing the upper cross beam of the main tower of the bridge as claimed in claim 3, wherein: the concrete connection structure of oblique leg bearing frame does: the flange plates are respectively arranged on one side of the connecting point of the horizontal steel pipe and the inclined steel pipe close to the middle part, the horizontal steel pipe and the bearing bracket, and the inclined steel pipe and the bearing bracket are connected, and the structure is connected and fixed together in a detachable mode through the flange plates in a butt joint and locking mode, so that the installation and the removal of the split plates are facilitated.
5. The bracket for constructing the upper cross beam of the main tower of the bridge as claimed in claim 1 or 4, wherein: the single inclined leg bearing frame is divided into three parts by each flange plate, inclined leg triangular frames on two sides are symmetrically installed and fixed with a tower column bracket during installation, and finally a middle folding horizontal pipe is installed.
6. The bracket for constructing the upper cross beam of the main tower of the bridge as claimed in claim 1, wherein: and longitudinal bearing beams are arranged at the connecting positions of the horizontal steel pipes and the bearing brackets and at the connecting tops of the inclined steel pipes and the horizontal steel pipes, so that the steel pipe frame is ensured to mainly bear axial force, and the structure is prevented from generating bending moment.
7. The bracket for constructing the upper cross beam of the main tower of the bridge as claimed in claim 1, wherein: the concrete connection structure of the arch-shaped steel truss is as follows: the vertical rod horizontal rod and the diagonal rod are mainly composed, each rod piece is made of section steel or I-shaped steel, the joint connection position is stiffened by adopting a steel plate, the radian of an arch ring is the same as that of a cross beam, the lower part of the arch ring is connected with a bearing beam, and longitudinal pieces are connected through the I-shaped steel among the joints to form a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921112863.2U CN210737378U (en) | 2019-07-16 | 2019-07-16 | Support is used in bridge king-tower entablature construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921112863.2U CN210737378U (en) | 2019-07-16 | 2019-07-16 | Support is used in bridge king-tower entablature construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210737378U true CN210737378U (en) | 2020-06-12 |
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ID=71010165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921112863.2U Expired - Fee Related CN210737378U (en) | 2019-07-16 | 2019-07-16 | Support is used in bridge king-tower entablature construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210737378U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344332A (en) * | 2019-07-16 | 2019-10-18 | 中交一公局第二工程有限公司 | Bracket is used in a kind of construction of bridge main tower upper beam |
-
2019
- 2019-07-16 CN CN201921112863.2U patent/CN210737378U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344332A (en) * | 2019-07-16 | 2019-10-18 | 中交一公局第二工程有限公司 | Bracket is used in a kind of construction of bridge main tower upper beam |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200612 Termination date: 20210716 |