CN213571493U - Bridge strengthening truss structure - Google Patents
Bridge strengthening truss structure Download PDFInfo
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- CN213571493U CN213571493U CN202022198291.3U CN202022198291U CN213571493U CN 213571493 U CN213571493 U CN 213571493U CN 202022198291 U CN202022198291 U CN 202022198291U CN 213571493 U CN213571493 U CN 213571493U
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- cross beam
- elastic expansion
- expansion plate
- vertical beam
- plate
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Abstract
The utility model relates to a bridge reinforcing truss structure, the back of left vertical beam and right vertical beam respectively stretches out backward and is provided with a base plate, the top and the bottom of the base plate are respectively provided with an elastic expansion plate, the inside of a mounting cylinder is provided with an internal threaded hole which passes through an upper cross beam and a lower cross beam, and an upper reinforcing rod and a lower reinforcing rod are respectively arranged in a frame enclosed by the upper cross beam, a middle cross beam, the left vertical beam and the right vertical beam and a frame enclosed by the middle cross beam, the lower cross beam, the left vertical beam and the right vertical beam; through the setting of elastic expansion plate, shelter from through the inside screw hole that the elastic expansion plate was seted up to mounting installation section of thick bamboo inside when not using, thereby the elastic expansion plate when the installation is fixed return under the spring restoring force effect and with the rear end butt of mounting avoid the mounting to loosen under the exoergic action and take off unpredictedly, the installation is firm and stable, guarantees the sufficient support intensity of bridge and stability.
Description
Technical Field
The utility model relates to a bridge additional strengthening, concretely relates to bridge strengthening truss structure.
Background
Among the current truss-like steel bridge structure, often need install additional strengthening truss structure inside the steel bridge structure with the whole use intensity and the support intensity of reinforcing bridge, and this strengthening truss structure often realizes the fixed connection with the steel bridge structure through external fixing, in the steel bridge use, the mounting (adopt threaded connection spare mostly) can lead to the fact the pine along with the resonance that causes through vehicle and crowd and pontic to take off, the screw hole also can be because long-term contact air when not using simultaneously, moisture and impurity produce corrosion etc. and then influence its life.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects existing in the prior art, the utility model provides a bridge strengthening truss structure.
The utility model provides a technical scheme that its technical problem adopted is:
a bridge reinforced truss structure comprises an upper cross beam, a middle cross beam and a lower cross beam which are arranged in parallel, wherein the left end and the right end of the upper cross beam, the middle cross beam and the lower cross beam are respectively connected through a left vertical beam and a right vertical beam, the back surfaces of the left vertical beam and the right vertical beam are respectively provided with a base plate in a backward extending mode, the top and the bottom of the base plate are respectively provided with an elastic expansion plate, one end of an expansion column is fixedly connected with the base plate, the other end of the expansion column penetrates out of the elastic expansion plate, a positioning head is formed at the other end of the expansion column, a spring is wound on the periphery of the expansion column, a plurality of fixing piece mounting cylinders respectively extend forwards in front of the upper cross beam and the lower cross beam, internal threaded holes penetrating through the upper cross beam and the lower cross beam are formed in the fixing piece mounting cylinders, and in a frame formed by the upper cross beam, the middle cross beam, the, and an upper reinforcing rod and a lower reinforcing rod are respectively arranged in a frame surrounded by the middle cross beam, the lower cross beam, the left vertical beam and the right vertical beam.
Further, the elastic expansion plate is set to be L-shaped, a through hole for the telescopic column to penetrate out is formed in an L-shaped transverse plate of the elastic expansion plate, and an L-shaped vertical plate of the elastic expansion plate is in sliding fit with the back faces of the left vertical beam and the right vertical beam.
Furthermore, the aperture of the through hole on the L-shaped transverse plate of the elastic expansion plate is slightly larger than the outer diameter of the expansion column.
Furthermore, the L-shaped vertical plate of the elastic expansion plate and the back surfaces of the left vertical beam and the right vertical beam are respectively provided with a corresponding sliding groove and a corresponding sliding way to realize sliding fit.
Furthermore, the front of the upper cross beam and the front of the lower cross beam extend forwards and are respectively provided with 3 fixing part installation cylinders, and the 3 fixing part installation cylinders are uniformly arranged in the front of the upper cross beam and the lower cross beam at equal intervals.
Furthermore, a clamping groove correspondingly matched with the fixing piece installation cylinder is formed in the L-shaped vertical plate of the elastic expansion plate.
Further, the groove shape of the clamping groove is matched with the shape of the fixing piece.
Further, the radial dimension of the positioning head is larger than that of the telescopic column.
Further, the upper reinforcing rod and the lower reinforcing rod are respectively connected with diagonals in the respective frames, and the upper reinforcing rod and the lower reinforcing rod are in the same direction.
Furthermore, the top of the back of the upper cross beam and the bottom of the back of the lower cross beam respectively extend backwards to form a limiting device.
The utility model has the advantages that:
(1) the utility model provides a bridge strengthening truss structure, setting through the elastic expansion plate, shelter from through the inside screw hole that the elastic expansion plate was seted up to a mounting installation section of thick bamboo when not using, thereby screw hole and air when avoiding permanent nonuse, moisture and impurity contact and produce corrosion etc., through corresponding downwards or upwards pulling elastic expansion plate when the installation is fixed, make inside screw hole expose, pass inside screw hole at the mounting and realize after the fixed mounting, thereby the elastic expansion plate return under the spring restoring force effect and avoid the mounting to loosen under the exoergic action with the rear end butt of mounting unpredictedly and take off, the installation is firm and stable, guarantee the sufficient support intensity of bridge and stability.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a rear view of the structure of the present invention;
FIG. 3 is a side view of the structure of the present invention;
fig. 4 is a top view of the structure of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1-4, the utility model provides a bridge reinforced truss structure, its technical scheme is as follows:
the utility model provides a bridge strengthening truss structure, bridge strengthening truss structure includes entablature 1, well crossbeam 2 and bottom end rail 3 that mutual parallel arrangement, both ends are erected roof beam 4 and right side respectively through a left side and are erected roof beam 5 and connect about entablature 1, well crossbeam 2 and bottom end rail 3 a left side is erected the back of roof beam 4 and right side and is erected the roof beam 5 and is stretched out backward respectively and be provided with base plate 6 the top and the bottom of base plate 6 are provided with elastic expansion plate 7 respectively, and the one end and the base plate 6 fixed connection of flexible post 8, the other end of flexible post 8 wear out from elastic expansion plate 7, and are formed with positioning head 9 at the other end of flexible post 8 the periphery of flexible post 8 is twined and is had spring 10 the preceding a plurality of mounting installation section of thick bamboo 11 of stretching out forward respectively of entablature 1 and bottom end rail 3, the inside of mounting section of thick bamboo 11 is seted up and is passed entabla, The internal threaded holes of the lower cross beam 3 are respectively provided with an upper reinforcing rod 12 and a lower reinforcing rod 13 in a frame enclosed by the upper cross beam 1, the middle cross beam 2, the left vertical beam 4 and the right vertical beam 5 and a frame enclosed by the middle cross beam 2, the lower cross beam 3, the left vertical beam 4 and the right vertical beam 5.
Specifically, the elastic expansion plate 7 sets up to L shape, be provided with the through-hole that supplies flexible post 8 to wear out on the L shape diaphragm of elastic expansion plate 7, the L shape riser of elastic expansion plate 7 and the back sliding fit that the roof beam 4 was erected on a left side and the roof beam 5 is erected on the right side to realize the whole up-and-down motion of elastic expansion plate 7.
Specifically, the aperture of the through hole on the L-shaped cross plate of the elastic expansion plate 7 is slightly larger than the outer diameter of the expansion column 8, so that the L-shaped cross plate of the elastic expansion plate 7 is sleeved on the expansion column 8 and moves up and down relative to the expansion column.
Specifically, the L-shaped vertical plate of the elastic expansion plate 7 and the back surfaces of the left vertical beam 4 and the right vertical beam 5 are respectively provided with corresponding sliding grooves and sliding ways to realize sliding fit.
Specifically, the front of the upper crossbeam 1 and the front of the lower crossbeam 3 respectively extend forwards and are provided with 3 fixing part mounting cylinders 11, the 3 fixing part mounting cylinders 11 are uniformly arranged in the front of the upper crossbeam 1 and the lower crossbeam 3 at intervals, and the fixing parts penetrate through the internal threaded holes of the fixing part mounting cylinders 11 to realize the fixed mounting with the bridge.
Specifically, the L-shaped vertical plate of the elastic expansion plate 7 is provided with a clamping groove 7-1 correspondingly matched with the fixing piece installation cylinder 11, so that the elastic expansion plate is abutted to the fixing piece through the clamping groove 7-1.
Specifically, the groove shape of the clamping groove 7-1 is matched with the shape of the fixing piece, so that the fixing piece is prevented from being unexpectedly loosened under the action of external force by abutting the groove shape of the clamping groove 7-1 with the fixing piece after installation is completed.
Specifically, the radial dimension of the positioning head 9 is greater than the radial dimension of the telescopic column 8, so as to prevent the L-shaped transverse plate of the elastic telescopic plate 7 from being pulled out from the top end of the telescopic column 8 under the reset action of the spring 10.
Specifically, the upper reinforcing rod 12 and the lower reinforcing rod 13 are respectively connected with diagonal lines in respective frames, and the upper reinforcing rod 12 and the lower reinforcing rod 13 are in the same direction, so that the internal strength is ensured, and meanwhile, the processing and the forming are facilitated.
Specifically, the back top of entablature 1 and the back bottom of bottom end rail 3 are stretched out backward respectively and are provided with stop device 14 to after using up, thereby guarantee through stop device 14 that elastic expansion plate 7 can not outwards bulge under the reset action of spring 10, can just in time block 11 inside screw holes of mounting section of thick bamboo with the L shape riser of guaranteeing elastic expansion plate 7.
During specific use, through the setting of elastic expansion plate, shelter from through the inside screw hole that elastic expansion plate set up inside the mounting installation section of thick bamboo when not using, thereby screw hole and air when avoiding not using for a long time, moisture and impurity contact and produce corrosion etc, through corresponding downwards or upwards pulling elastic expansion plate when the installation is fixed, make inside screw hole expose, after the mounting passes inside screw hole and realizes fixed mounting, thereby elastic expansion plate return under the spring restoring force effect and avoid the mounting to loosen under the exoergic action with the rear end butt of mounting, the installation is firm and stable, guarantee the sufficient support intensity of bridge and stability and take off
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a bridge strengthening truss structure, bridge strengthening truss structure includes entablature (1), well crossbeam (2) and bottom end rail (3) of mutual parallel arrangement, both ends are erected roof beam (4) and right side through a left side respectively and are erected roof beam (5) and connect its characterized in that about entablature (1), well crossbeam (2) and bottom end rail (3): the back surfaces of the left vertical beam (4) and the right vertical beam (5) extend backwards to form a base plate (6), the top and the bottom of the base plate (6) are respectively provided with an elastic expansion plate (7), one end of an expansion column (8) is fixedly connected with the base plate (6), the other end of the expansion column (8) penetrates out of the elastic expansion plate (7), the other end of the expansion column (8) is provided with a positioning head (9), the periphery of the expansion column (8) is wound with a spring (10), a plurality of fixing piece mounting cylinders (11) extend forwards in front of the upper cross beam (1) and the lower cross beam (3), internal threaded holes penetrating through the upper cross beam (1) and the lower cross beam (3) are formed in the fixing piece mounting cylinders (11), and in a frame formed by the upper cross beam (1), the middle cross beam (2), the left vertical beam (4) and the right vertical beam (5) in a surrounding mode, and an upper reinforcing rod (12) and a lower reinforcing rod (13) are respectively arranged in a frame surrounded by the middle cross beam (2), the lower cross beam (3), the left vertical beam (4) and the right vertical beam (5).
2. A bridge girder construction according to claim 1 wherein: elastic expansion plate (7) set up to L shape, be provided with the through-hole that supplies flexible post (8) to wear out on the L shape diaphragm of elastic expansion plate (7), the L shape riser of elastic expansion plate (7) and the back sliding fit of erecting roof beam (4) and right side in a left side erect roof beam (5).
3. A bridge girder construction according to claim 2 wherein: the aperture of the through hole on the L-shaped transverse plate of the elastic expansion plate (7) is slightly larger than the outer diameter of the expansion column (8).
4. A bridge girder construction according to claim 2 wherein: the L-shaped vertical plate of the elastic expansion plate (7) and the back surfaces of the left vertical beam (4) and the right vertical beam (5) are respectively provided with corresponding sliding grooves and sliding ways to realize sliding fit.
5. A bridge girder construction according to claim 1 wherein: the front faces of the upper cross beam (1) and the lower cross beam (3) extend forwards to form 3 fixing part mounting cylinders (11), and the 3 fixing part mounting cylinders (11) are uniformly arranged in the front faces of the upper cross beam (1) and the lower cross beam (3) at equal intervals.
6. A bridge girder construction according to claim 2 wherein: and the L-shaped vertical plate of the elastic expansion plate (7) is provided with a clamping groove (7-1) correspondingly matched with the fixing piece installation cylinder (11).
7. A bridge girder construction according to claim 6 wherein: the groove shape of the clamping groove (7-1) is matched with the shape of the fixing piece.
8. A bridge girder construction according to claim 1 wherein: the radial dimension of the positioning head (9) is larger than that of the telescopic column (8).
9. A bridge girder construction according to claim 1 wherein: the upper reinforcing rod (12) and the lower reinforcing rod (13) are respectively connected with diagonal lines in the frames, and the upper reinforcing rod (12) and the lower reinforcing rod (13) are in the same direction.
10. A bridge girder construction according to claim 1 wherein: the top of the back of the upper cross beam (1) and the bottom of the back of the lower cross beam (3) extend backwards and are respectively provided with a limiting device (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022198291.3U CN213571493U (en) | 2020-09-29 | 2020-09-29 | Bridge strengthening truss structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022198291.3U CN213571493U (en) | 2020-09-29 | 2020-09-29 | Bridge strengthening truss structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213571493U true CN213571493U (en) | 2021-06-29 |
Family
ID=76579913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022198291.3U Active CN213571493U (en) | 2020-09-29 | 2020-09-29 | Bridge strengthening truss structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213571493U (en) |
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2020
- 2020-09-29 CN CN202022198291.3U patent/CN213571493U/en active Active
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