CN214301275U - Viaduct girder construction structure - Google Patents
Viaduct girder construction structure Download PDFInfo
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- CN214301275U CN214301275U CN202022528434.2U CN202022528434U CN214301275U CN 214301275 U CN214301275 U CN 214301275U CN 202022528434 U CN202022528434 U CN 202022528434U CN 214301275 U CN214301275 U CN 214301275U
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- main beam
- girder
- pier
- girder construction
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Abstract
The application relates to a viaduct girder construction structures relates to the field of bridge construction, and it includes two piers and establishes the girder on two piers, its characterized in that: still include a plurality of the piece of bearing of establishing on the pier, establish butt joint portion and a plurality of supporting component of establishing on the pier on the girder, supporting component is including establishing the fixing base on the pier, establish the jack on the fixing base and establish the cushion on the jack push rod, the cushion butt is on the girder, it is located between the double-phase adjacent supporting component to accept the piece, two supporting component's cushion butt is on the lateral wall of girder, set up the recess on the girder, be equipped with the screwed pipe on the branch piece, threaded connection has the threaded rod on the screwed pipe, the one end of threaded rod is located the recess, the other end is located the top of screwed pipe, be equipped with the gasket on the threaded rod, the gasket is located the recess. This application makes the girder install on the pier more steadily.
Description
Technical Field
The application relates to the field of bridge construction, in particular to a construction structure of a main girder of an overhead bridge.
Background
The overpass refers to a bridge crossing a deep groove canyon instead of a highwall, and a bridge crossing a road in an urban bridge.
In the construction of the viaduct, the main beam is usually installed on the pier, and the side turning of the main beam is caused by the unstable gravity center after the main beam is installed on the pier, so that the main beam and the pier are damaged due to the side turning of the main beam, and the waste of building materials is increased.
SUMMERY OF THE UTILITY MODEL
In order to make the girder install on the pier more steadily, this application provides a overpass girder construction structures.
The application provides a pair of overpass girder construction structures adopts following technical scheme:
the utility model provides a viaduct girder construction structures, includes two piers and establishes the girder on two piers, its characterized in that: the bridge structure also comprises a plurality of bearing blocks arranged on the bridge piers, a butt joint part arranged on the main beam and a plurality of support components arranged on the bridge piers;
the supporting component comprises a fixed seat arranged on the pier, a jack arranged on the fixed seat and a cushion block arranged on a push rod of the jack;
the cushion block is abutted against the main beam;
the bearing block is positioned between two adjacent supporting components;
the cushion blocks of the two supporting assemblies are abutted against the side wall of the main beam.
By adopting the technical scheme, the worker can hoist the main beam above the two piers, align the butt joint part on the main beam with the bearing block on the piers, then place the main beam on the bearing block, install the supporting components on the two sides of the bearing block by the worker, adjust the length of the push rod of the jack, enable the cushion block to be abutted on the main beam, reduce the possibility of side turning of the main beam due to unstable gravity center, and reduce the waste of building materials.
Optionally, the bearing blocks are distributed on the bridge pier at equal intervals.
By adopting the technical scheme, the main beams are distributed at equal intervals after being installed on the bridge pier, and the main beams are arranged more neatly after being installed on the bridge pier.
Optionally, the top end surface of the fixed seat is a slope surface;
the height of the top end face of the fixing seat is gradually reduced towards the main beam far away from one end of the main beam.
Through adopting above-mentioned technical scheme, the jack is installed on the domatic of fixing base, and the girder is supported better to the jack.
Optionally, an anti-skid portion is arranged on the side wall of the main beam;
the cushion block is abutted against the anti-slip part.
Through adopting above-mentioned technical scheme, the cushion butt has increased the friction between cushion and the girder on antiskid portion, and the cushion is difficult to skid.
Optionally, a support rod is arranged on the bridge pier, and a through hole is formed in the bridge pier;
the supporting rod penetrates through the through hole;
the support rod is positioned above the fixed seat.
By adopting the technical scheme, the main beam is erected by the support rods, the main beam is supported, and the possibility of side turning of the main beam is further reduced.
Optionally, a baffle is arranged on the bridge pier, and a sliding groove is formed in the bridge pier;
the baffle is positioned in the sliding groove;
the baffle is located between two adjacent main beams.
By adopting the technical scheme, the installed main beam is separated from the main beam in the allocation and transportation by the baffle plate, so that the main beam in the allocation and transportation is not easy to collide with the installed main beam.
Optionally, a groove is formed in the main beam, a threaded pipe is arranged on the bridge pier, and a threaded rod is connected to the threaded pipe in a threaded manner;
one end of the threaded rod is positioned in the groove, and the other end of the threaded rod is positioned above the threaded pipe;
be equipped with the gasket on the threaded rod, the gasket is located the recess.
Through adopting above-mentioned technical scheme, the staff screws the threaded rod and applys a directional power that holds the piece for the girder, and the gasket increases the area of contact of threaded rod and girder, and the threaded rod can be better with girder top tight.
Optionally, a buffer pad is arranged on the bearing block, and a buffer sleeve is sleeved on the support rod;
the buffer pad is located between the bearing block and the main beam.
Through adopting above-mentioned technical scheme, after the girder was installed on the piece that holds the joint, girder and blotter cushion collar played the cushioning effect to the girder, and the girder is difficult to because of rigid contact two damages with the pier. The buffer sleeve separates the support rod from the main beam, and the support rod is not easy to scratch the main beam.
In summary, the present application includes at least one of the following beneficial technical effects:
1. workers hoist the main beam above the two piers, align the butt joint part of the main beam with the bearing blocks on the piers, then place the main beam on the bearing blocks, install the supporting components on the two sides of the bearing blocks, adjust the length of the push rod of the jack, enable the cushion blocks to abut against the main beam, reduce the possibility of side turning of the main beam due to unstable center of gravity, and reduce the waste of building materials;
2. the staff screws the threaded rod and exerts the power of a directional piece that holds for the girder, and the gasket increases the area of contact of threaded rod and girder, and the threaded rod can be better with girder top tight.
Drawings
Fig. 1 is an axonometric view of a viaduct girder construction structure of an embodiment of the present application.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic structural view of the main beam of fig. 1.
Fig. 4 is a plan view of the overpass girder construction structure shown in fig. 1.
Fig. 5 is a sectional view taken along line B-B in fig. 4.
Description of reference numerals: 110. a main beam mounting platform; 11. a bridge pier; 111. a through hole; 112. a chute; 12. a bearing block; 121. a cushion pad; 21. a main beam; 211. an anti-slip portion; 212. a groove; 22. a docking portion; 3. a support assembly; 31. a fixed seat; 32. a jack; 33. cushion blocks; 4. a support bar; 41. a buffer sleeve; 5. a baffle plate; 60. a connecting rod; 6. a threaded pipe; 7. a threaded rod; 71. and (7) a gasket.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The embodiment of the application discloses overpass girder construction structures.
Referring to fig. 1 and 2, the viaduct girder construction structure includes two bridge piers 11, a girder 21, a plurality of receiving blocks 12 fixedly connected to the bridge piers 11, a cushion pad 121 fixedly connected to the receiving blocks 12, and a plurality of support assemblies 3 provided on the bridge piers 11.
The bridge pier 11 is square column-shaped, a girder installation platform 110 extends out of the outer wall of the bridge pier 11, and a plurality of bearing blocks 12 are distributed on the girder installation platform 110 at equal intervals. The main beam 21 is in a trapezoid column shape, and the surface of the main beam 21, which is in contact with the bearing block 12, is the bottom surface of the main beam 21. The direction in which the girders 21 extend from one pier 11 to the other pier 11 is the longitudinal direction of the girders 21.
Two butting parts 22 are fixedly connected to the bottom surface of the main beam 21, the butting parts 22 are square bumps, the two butting parts 22 are respectively located at two ends of the main beam 21 in the length direction, and the butting parts 22 correspond to the positions of the bearing blocks 12 on the two bridge piers 11. Four anti-slip parts 211 are arranged on the side surface of the main beam 21, each anti-slip part 211 is composed of corrugated bulges, two anti-slip parts 211 are arranged on the two side surfaces of the main beam 21, and the two anti-slip parts 211 are respectively positioned at the two ends of the main beam 21 in the length direction.
The staff passes through lifting device with girder 21 handling to pier 11 top, adjusts the gesture of girder 21 and aligns butt joint portion 22 on the girder 21 with the piece 12 of accepting on the pier 11, then places girder 21 on blotter 121, and blotter 121 plays the cushioning effect to girder 21, reduces girder 21 and accepts the harm that the piece 12 caused because of the rigid contact. After the main beam 21 is installed on the receiving block 12, one supporting component 3 is installed on each side of the main beam 21 in the length direction, the supporting components 3 are installed on the main beam installation platform 110, and the receiving block 12 is located between the two supporting components 3. The supporting component 3 supports the main beam 21, and the main beam 21 is not easy to turn over.
Referring to fig. 2 and 3, the supporting assembly 3 includes a fixing seat 31, a jack 32, and a pad 33, the fixing seat 31 is bolted to the pier 11, a top end surface of the fixing seat 31 is a slope, and a height of an end of the fixing seat 31 far away from the receiving block 12 is gradually reduced toward an end close to the receiving block 12. The jack 32 is fixedly connected to the slope surface of the fixed seat 31, the jack 32 inclines, and the inclined jack 32 supports the main beam 21 better. The cushion block 33 is fixedly connected to the push rod of the jack 32, and the cushion block 33 is abutted against the main beam 21.
After the main beam 21 is installed on the bridge pier 11, the supporting components 3 are respectively installed on two sides of the main beam 21 in the length direction, the length of the push rod of the jack 32 is adjusted, the cushion block 33 abuts against the anti-slip part 211 of the main beam 21, the cushion block 33 is not prone to slipping, the main beam 21 is supported by the supporting components 3, and the main beam 21 is not prone to side rollover.
Referring to fig. 1 and 2, since the support assembly 3 supports the main beam 21 at the bottom of the main beam 21, the main beam 21 may be shaken since there is no object to support the main beam 21 at the top of the main beam 21. In order to prevent the main beam 21 from shaking easily, a plurality of support rods 4 are arranged on the bridge pier 11, through holes 111 with the same number as the support rods 4 are formed in the bridge pier 11, the support rods 4 penetrate through the through holes 111, and the support rods 4 are parallel to the main beam. One end of the support rod 4 extending out of the pier 11 is sleeved with a buffer sleeve 41, and the support rod 4 is installed above the fixed seat 31.
After girder 21 installed on pier 11, the staff passed through-hole 111 with bracing piece 4, and the lateral wall butt of cushion collar 41 and girder 21 reduces the damage of bracing piece 4 to girder 21, and bracing piece 4 plays the supporting role to girder 21, and girder 21 is difficult to produce and rocks.
Referring to fig. 4 and 5, when the main beam 21 is lifted, the lifted main beam 21 is easy to shake, and may collide with the installed main beam 21, thereby damaging the main beam 21. In order to prevent the main beams 21 in hoisting from colliding with the installed main beams 21 easily, the baffle 5 is installed on the main beam 21 building platform of the pier 11, the baffle 5 is located between two adjacent main beams 21, the main beam installation platform 110 is provided with the sliding groove 112, the opening direction of the sliding groove 112 is parallel to the length direction of the main beams 21, and the baffle 5 is installed in the sliding groove 112.
After a worker installs one girder 21 on a pier 11, the baffle 5 is placed on one side of the installed girder 21 to be installed, the baffle 5 makes the hoisted girder 21 not easy to collide with the installed girder 21, and after the girder 21 is installed, the baffle 5 is taken out of the sliding groove 112.
Referring to fig. 2 and 5, in order to more stably mount the girder 21 on the pier 11, a threaded pipe 6 is provided at the top of the pier 11, and in order to fix the threaded pipe 6, a connecting rod 60 is bolted to the top end surface of the pier 11, the connecting rod 60 is bent toward the girder 21, the threaded pipe 6 is fixedly connected to one end of the connecting rod 60 extending above the girder 21, and the threaded pipe 6 extends out of the pier 11 and corresponds to the position of the groove 212 on the girder 21. The threaded pipe 6 is in threaded connection with a threaded rod 7, one end of the threaded rod 7 is fixedly connected with a gasket 71, the other end of the threaded rod 7 is a free end, and the gasket 71 is located between the threaded pipe 6 and the main beam 21.
After the worker installs the main beam 21 on the bearing block 12, the screw rod 7 is rotated to move the gasket 71 towards the groove 212, when the gasket 71 moves into the groove 212 and abuts against the main beam 21, the screw rod 7 is continuously rotated to tightly push the main beam 21, a force pointing to the bearing block 12 is applied to the main beam 21, and the main beam 21 is firmer on the bearing block 12.
The implementation principle of the construction structure of the viaduct girder in the embodiment of the application is as follows: after the construction of the two piers 11 is finished, a worker lifts the girder 21 above the piers 11, moves the girder 21 to enable the girder 21 to be lapped on the bearing blocks 12 of the two piers 11, the butting part 22 of the girder 21 is butted with the cushion pad 121, the damage of the girder 21 and the piers 11 is reduced, after the girder 21 is installed, a group of support components 3 are installed on the piers 11 on the two sides of the girder 21, the length of the push rod of the jack 32 is adjusted to enable the jack 32 to be butted with the girder 21, the girder 21 is more stable on the piers 11, after the support components 3 are adjusted, the support rods 4 are respectively installed on the two sides of the girder 21, the possibility of side turning of the girder 21 is further reduced by the support rods 4, after the support rods 4 are installed, the threaded pipes 6 and the threaded rods 7 are installed on the top end surfaces of the piers 11, the girder 21 is tightly butted with the girder 7, the girder 21 is more stable on the girder 11, and the baffle 5 is placed on the side, where the girder 21 is installed, the main beam 21 in hoisting is not easy to collide with the installed main beam 21. After the main beam 21 is installed, the supporting component 3, the supporting rod 4, the baffle 5, the threaded pipe 6 and the threaded rod 7 are detached.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a viaduct girder construction structures, includes two piers (11) and establishes girder (21) on two piers (11), its characterized in that: the bridge structure is characterized by also comprising a plurality of bearing blocks (12) arranged on the bridge piers (11), butting parts (22) arranged on the main beams (21) and a plurality of support assemblies (3) arranged on the bridge piers (11);
the supporting component (3) comprises a fixed seat (31) arranged on the pier (11), a jack (32) arranged on the fixed seat (31) and a cushion block (33) arranged on a push rod of the jack (32);
the cushion block (33) is abutted against the main beam (21);
the bearing block (12) is positioned between two adjacent supporting components (3);
the cushion blocks (33) of the two support assemblies (3) are abutted against the side walls of the main beam (21).
2. The viaduct girder construction structure of claim 1, wherein: the bearing blocks (12) are distributed on the bridge pier (11) at equal intervals.
3. The viaduct girder construction structure of claim 1, wherein: the top end surface of the fixed seat (31) is a slope surface;
the height of one end, far away from the main beam (21), of the top end face of the fixed seat (31) is gradually reduced towards the main beam (21).
4. The viaduct girder construction structure of claim 1, wherein: the side wall of the main beam (21) is provided with an anti-skid part (211);
the pad (33) abuts against the non-slip section (211).
5. The viaduct girder construction structure of claim 1, wherein: the support rod (4) is arranged on the pier (11), and the through hole (111) is formed in the pier (11);
the supporting rod (4) penetrates through the through hole (111);
the support rod (4) is positioned above the fixed seat (31).
6. The viaduct girder construction structure of claim 1, wherein: the bridge pier (11) is provided with a baffle (5), and the bridge pier (11) is provided with a sliding groove (112);
the baffle (5) is positioned in the sliding groove (112);
the baffle (5) is positioned between two adjacent main beams (21).
7. The viaduct girder construction structure of claim 1, wherein: a groove (212) is formed in the main beam (21), a threaded pipe (6) is arranged on the pier (11), and a threaded rod (7) is connected to the threaded pipe (6) in a threaded mode;
one end of the threaded rod (7) is positioned in the groove (212), and the other end of the threaded rod is positioned above the threaded pipe (6);
be equipped with gasket (71) on threaded rod (7), gasket (71) are located recess (212).
8. The viaduct girder construction structure of claim 5, wherein: a buffer pad (121) is arranged on the bearing block (12), and a buffer sleeve (41) is sleeved on the support rod (4);
the buffer pads (121) are positioned between the bearing blocks (12) and the main beams (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022528434.2U CN214301275U (en) | 2020-11-04 | 2020-11-04 | Viaduct girder construction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022528434.2U CN214301275U (en) | 2020-11-04 | 2020-11-04 | Viaduct girder construction structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214301275U true CN214301275U (en) | 2021-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022528434.2U Active CN214301275U (en) | 2020-11-04 | 2020-11-04 | Viaduct girder construction structure |
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|---|---|
| CN (1) | CN214301275U (en) |
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- 2020-11-04 CN CN202022528434.2U patent/CN214301275U/en active Active
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