CN213476665U - A reinforced structure for municipal bridge - Google Patents
A reinforced structure for municipal bridge Download PDFInfo
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- CN213476665U CN213476665U CN202022112605.3U CN202022112605U CN213476665U CN 213476665 U CN213476665 U CN 213476665U CN 202022112605 U CN202022112605 U CN 202022112605U CN 213476665 U CN213476665 U CN 213476665U
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Abstract
The application relates to the technical field of bridge reinforcement, in particular to a reinforcing structure for a municipal bridge, which comprises a reinforcing plate, a connecting frame, a damping supporting plate and a damping device, wherein the reinforcing plate is arranged on the lower surface of a bridge body, the damping supporting plate is positioned below the reinforcing plate, and a gap is formed between the damping supporting plate and the reinforcing plate; the connecting frame is arranged between the shock absorption supporting plate and the bridge pier and is used for realizing the relative fixation between the shock absorption supporting plate and the bridge pier; the damping device is arranged between the damping support plate and the reinforcing plate and used for buffering and damping the reinforcing plate along the vertical direction. This application can reduce bridge body atress vibration and make the junction between link and pier, link and the shock attenuation backup pad appear not hard up condition to keep the stable reinforcement effect to the bridge body.
Description
Technical Field
The application relates to the technical field of bridge reinforcement, in particular to a reinforced structure for a municipal bridge.
Background
The bridge is very important infrastructure, and along with the continuous development of society, the bridge construction trade has obtained quick development, and traditional bridge all supports the bridge body through the pier of a plurality of settings. In the long-time use process, the multi-point supporting structure can cause the overall bearing strength of the bridge to be uneven; in order to prolong the service life of the bridge, a bridge structure is generally arranged between the bridge pier and the bridge body for reinforcing the bridge body.
The bridge reinforcing structure in the related art mainly comprises a reinforcing plate and a connecting frame, wherein the reinforcing plate is arranged at the lower end of a bridge body; the connection frame is arranged between the reinforcing plate and the bridge pier and used for realizing stable support of the reinforcing plate, so that the bridge reinforcing structure can play a corresponding reinforcing role in the bridge body.
According to the related technology, when vehicles and pedestrians pass through the bridge, the bridge inevitably generates certain vibration, and the inventor thinks that the looseness appears at the joint of the bridge reinforcing structure easily, and the stable reinforcing effect of the bridge reinforcing structure on the bridge body is influenced.
SUMMERY OF THE UTILITY MODEL
Make bridge reinforced structure junction appear not hard up problem easily in order to solve bridge body atress vibration, this application provides a reinforced structure for municipal bridge.
The application provides a reinforced structure for municipal bridge adopts following technical scheme:
a reinforced structure for a municipal bridge comprises a reinforcing plate and a connecting frame, wherein the reinforcing plate is arranged on the lower surface of a bridge body, and further comprises a damping supporting plate and a damping device, the damping supporting plate is positioned below the reinforcing plate, and a gap is formed between the damping supporting plate and the reinforcing plate; the connecting frame is arranged between the shock absorption supporting plate and the bridge pier and is used for realizing the relative fixation between the shock absorption supporting plate and the bridge pier; the damping device is arranged between the damping support plate and the reinforcing plate and used for buffering and damping the reinforcing plate along the vertical direction.
Through adopting above-mentioned technical scheme, when the bridge body appears vibrating because of vehicle or pedestrian's process, use the damping device who installs between shock attenuation backup pad and gusset plate to play the buffering cushioning effect of vertical direction to the gusset plate, utilize damping device to play the absorbing effect of buffering to the bridge body promptly to reduce bridge body atress vibration and make the junction between link and pier, link and the shock attenuation backup pad appear not hard up the condition, keep the good reinforcing effect of reinforced structure to the bridge body.
Preferably, the damping device comprises an elastic expansion piece which is vertically arranged, the lower end of the elastic expansion piece is connected with the damping support plate, and the upper end of the elastic expansion piece is abutted to the reinforcing plate.
Through adopting above-mentioned technical scheme, use the elastic expansion characteristic of elastic expansion piece, can play the absorbing effect of buffering at bridge body atress vibration in-process.
Preferably, the damping device further comprises an installation cylinder, the damping support plate is vertically provided with an installation hole, and the installation cylinder is in threaded fit with the installation hole; the elastic expansion piece is a damping spring, and the lower end of the damping spring is connected with the bottom of the mounting cylinder.
By adopting the technical scheme, the damping spring is arranged at the bottom of the mounting cylinder, and the damping spring is detachably connected with the damping support plate by utilizing the threaded fit between the mounting cylinder and the damping support plate; and damping spring probably appears damaging the condition after long-time the use, and damping spring can be dismantled with the shock attenuation backup pad and be connected, is convenient for maintain damping spring and change.
Preferably, the lower surface of the reinforcing plate is provided with a guide rod along the vertical direction, and the bottom of the mounting cylinder is provided with a guide hole for the guide rod to slide and penetrate through; the damping spring is sleeved on the guide rod.
Through adopting above-mentioned technical scheme, the cooperation that slides of guide bar and guiding hole realizes sliding along vertical direction between gusset plate and the installation section of thick bamboo and is connected, can play the guide effect of vertical direction to the bridge body after the atress, and simultaneously, damping spring cup joints at the guide bar, can play the guide effect to damping spring's flexible process, reduces damping spring and influences the damping spring normal use condition because of excessively buckling.
Preferably, one side that the guide bar is close to the gusset plate is equipped with the butt post with installation section of thick bamboo looks adaptation, the butt post is used for stretching into and supplies damping spring butt in the installation section of thick bamboo.
Through adopting above-mentioned technical scheme, damping spring and butt post butt cooperation realize the mutual butt effect between damping spring and the gusset plate promptly, and simultaneously, butt post and installation section of thick bamboo looks adaptation are installing an installation section of thick bamboo in the shock attenuation backup pad after, and the butt post stretches into an installation section of thick bamboo, can play confined effect to an installation section of thick bamboo, reduces and influences the damping spring normal use condition because of debris get into in the installation section of thick bamboo.
Preferably, the lower end of the guide rod is provided with a scale mark.
Through adopting above-mentioned technical scheme, when will installing a section of thick bamboo screw thread and install in the shock attenuation backup pad, utilize the scale marking of guide bar lower extreme to look over the relative position between an installation section of thick bamboo and the guide bar, be convenient for install an installation section of thick bamboo.
Preferably, the reinforcing plate is provided with a connecting threaded sleeve, one end of the guide rod, which is close to the reinforcing plate, is provided with a connecting stud, and the connecting stud is in threaded fit with the connecting threaded sleeve.
Through adopting above-mentioned technical scheme, connecting stud cooperatees with connecting the swivel nut, realizes dismantling between guide bar and the gusset plate and is connected, is connected the back with the bridge body at the gusset plate, installs the guide bar again, can lead the condition that the guide bar is collided with and appears buckling by external force.
Preferably, the connecting stud is sleeved with an elastic washer.
By adopting the technical scheme, the situation that the connection stud and the connection threaded sleeve are loosened can be reduced by utilizing the elastic washer.
In summary, the present application includes at least one of the following beneficial technical effects:
the damping device has a damping effect on the bridge body, so that the situation that the connection positions between the connecting frame and the bridge pier and between the connecting frame and the damping support plate are loosened due to stress vibration of the bridge body is reduced, and a good reinforcing effect of the reinforcing structure on the bridge body is kept;
the damping spring is detachably connected with the damping support plate, so that the damping spring is convenient to maintain and replace;
the guide rod is detachably connected with the reinforcing plate, the guide rod is installed after the reinforcing plate is connected with the bridge body, and the guide rod can be bent under the collision of external force.
Drawings
FIG. 1 is a graph showing the overall results of the examples of the present application.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1.
Fig. 3 is a schematic cross-sectional view of a shock absorbing device and a guide bar according to an embodiment of the present application.
Description of reference numerals: 1. a reinforcing plate; 11. connecting a threaded sleeve; 2. a shock-absorbing support plate; 21. mounting holes; 3. a connecting frame; 31. a frame body; 32. a connecting hoop; 4. a damping device; 41. mounting the cylinder; 411. a guide hole; 42. a damping spring; 5. a guide bar; 51. connecting a stud; 52. a butting post; 53. scale marking; 6. an elastic washer; 7. a bridge body; 8. provided is a bridge pier.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
Referring to fig. 1, the embodiment of the application discloses a reinforced structure for a municipal bridge, which comprises a reinforcing plate 1, a damping support plate 2, a connecting frame 3 and a damping device 4, wherein the reinforcing plate 1 is fixedly installed on the lower surface of a bridge body 7 through bolts. The damping support plate 2 is positioned below the reinforcing plate 1, and a gap is formed between the damping support plate 2 and the reinforcing plate 1; the connecting frame 3 is arranged between the damping supporting plate 2 and the pier 8 and used for realizing the relative fixation between the damping supporting plate 2 and the pier 8. In this embodiment, the connection frame 3 includes a frame body 31 and a connection hoop 32, the connection hoop 32 is installed on two opposite sides of the frame body 31, and the connection hoop 32 is a two-half structure, so that a constructor can connect the connection hoop 32 with the pier 8 by a bolt, thereby realizing the relative fixation between the frame body 31 and the pier 8.
Referring to fig. 2 and 3, a damping device 4 is installed between the damping support plate 2 and the reinforcing plate 1 for damping vibration of the reinforcing plate 1 in a vertical direction; specifically, the damping device 4 includes a mounting tube 41 and a damping spring 42, wherein the mounting tube 41 has a cylindrical tube shape, and an upper end of the mounting tube 41 is open. Meanwhile, the outer side wall of the mounting cylinder 41 is provided with an external thread; correspondingly, the damping support plate 2 is provided with the mounting hole 21 that runs through the upper surface and the lower surface of the damping support plate 2 along the vertical direction, and the mounting hole 21 is internally provided with an internal thread matched with the external thread of the mounting cylinder 41, so that the mounting cylinder 41 and the mounting hole 21 can be detachably connected through the thread.
Referring to fig. 2 and 3, the damper spring 42 is installed inside the installation cylinder 41 in a vertical direction, and a lower end of the damper spring 42 is welded and fixed to a cylinder bottom of the installation cylinder 41, so that the damper spring 42 is detachably connected to the damper support plate 2 through the installation cylinder 41. The upper end of the damping spring 42 is used for abutting against the reinforcing plate 1 so as to buffer and damp the reinforcing plate 1 in the process that the reinforcing plate 1 bears the force and sinks.
Referring to fig. 2 and 3, a guide rod 5 connected with the mounting cylinder 41 in a sliding manner is vertically installed on the lower side of the reinforcing plate 1, specifically, the guide rod 5 is a cylindrical rod shape, and a connecting stud 51 is arranged at the upper end of the guide rod 5; correspondingly, a connecting threaded sleeve 11 matched with the connecting stud 51 is prefabricated on the lower side of the reinforcing plate 1, and the guide rod 5 is detachably connected with the reinforcing plate 1 by utilizing the threaded fit between the connecting stud 51 and the connecting threaded sleeve 11. Meanwhile, in order to reduce the looseness between the connecting stud 51 and the connecting threaded sleeve 11, the connecting bolt is also sleeved with an elastic washer 6.
Referring to fig. 2 and 3, the guide rod 5 extends into the mounting cylinder 41, and a guide hole 411 for the guide rod 5 to pass through and slide is formed at the bottom of the mounting cylinder 41; meanwhile, in order to facilitate viewing of the relative position between the guide rod 5 and the installation cylinder 41 in the installation process of the installation cylinder 41, scale markings 53 for the constructor to view are further engraved at the lower end of the guide rod 5.
Referring to fig. 2 and 3, when the guide rod 5 is located in the installation tube 41, the damping spring 42 is sleeved on the guide rod 5, so that the guide rod 5 is used for guiding the damping spring 42, and the influence of the excessive bending of the damping spring 42 on the normal use of the damping spring 42 is reduced. Meanwhile, one side of the guide rod 5 close to the gusset plate 1 is integrally formed with an abutting column 52 matched with the installation cylinder 41, and the abutting column 52 is used for extending into the installation cylinder 41 to abut against the damping spring 42, so that the damping spring 42 can realize the damping supporting effect on the gusset plate 1 through the abutting column 52.
The implementation principle of the embodiment of the application is as follows: when vibration appears in bridge body 7 because of vehicle or pedestrian's process, use damping device 4 of installing between shock attenuation backup pad 2 and gusset plate 1 to play the cushioning effect of vertical direction to gusset plate 1, utilize damping device 4 to play the absorbing effect of buffering to bridge body 7 promptly, thereby reduce 7 atress vibrations of bridge body and make the not hard up condition appear in the junction between link 3 and the shock attenuation backup pad 2 with pier 8, link 3, keep the good reinforcing effect of reinforced structure to bridge body 7.
The damping spring 42 in the damping device 4 is detachably connected with the damping support plate 2, so that the damping spring 42 can be maintained and replaced conveniently. Meanwhile, the guide rod 5 is detachably connected with the reinforcing plate 1 by matching the connecting screw sleeve 11 with the connecting stud 51; after the reinforcing plate 1 is connected with the bridge body 7, the guide rod 5 is installed, and the guide rod 5 can be bent under the collision of external force.
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 reinforced structure for municipal bridge, includes gusset plate (1) and link (3), bridge body (7) lower surface, its characterized in that are located in gusset plate (1): the damping device is characterized by further comprising a damping support plate (2) and a damping device (4), wherein the damping support plate (2) is located below the reinforcing plate (1), and a gap is formed between the damping support plate (2) and the reinforcing plate (1); the connecting frame (3) is arranged between the damping support plate (2) and the pier (8) and is used for realizing the relative fixation between the damping support plate (2) and the pier (8); the damping device (4) is arranged between the damping support plate (2) and the reinforcing plate (1) and used for buffering and damping the reinforcing plate (1) along the vertical direction.
2. The reinforcing structure for municipal bridges of claim 1, wherein: damping device (4) are including the elastic expansion spare of vertical setting, elastic expansion spare's lower extreme is connected in shock attenuation backup pad (2), and the upper end offsets with gusset plate (1).
3. The reinforcing structure for municipal bridges of claim 2, wherein: the damping device (4) further comprises an installation cylinder (41), the damping support plate (2) is vertically provided with an installation hole (21), and the installation cylinder (41) is in threaded fit with the installation hole (21); the elastic expansion piece is a damping spring (42), and the lower end of the damping spring (42) is connected with the bottom of the mounting cylinder (41).
4. The reinforcing structure for municipal bridges of claim 3, wherein: the lower surface of the reinforcing plate (1) is provided with a guide rod (5) along the vertical direction, and the bottom of the mounting cylinder (41) is provided with a guide hole (411) for the guide rod (5) to slide and penetrate through; the damping spring (42) is sleeved on the guide rod (5).
5. The reinforcing structure for municipal bridges of claim 4, wherein: one side that guide bar (5) are close to gusset plate (1) is equipped with butt post (52) with installation section of thick bamboo (41) looks adaptation, butt post (52) are used for stretching into and supply damping spring (42) butt in installation section of thick bamboo (41).
6. The reinforcing structure for municipal bridges of claim 4, wherein: the lower end of the guide rod (5) is provided with a scale marking (53).
7. The reinforcing structure for municipal bridges of claim 4, wherein: the reinforcing plate (1) is provided with a connecting threaded sleeve (11), one end of the guide rod (5) close to the reinforcing plate (1) is provided with a connecting stud (51), and the connecting stud (51) is in threaded fit with the connecting threaded sleeve (11).
8. The reinforcing structure for municipal bridges of claim 7, wherein: the connecting stud (51) is sleeved with an elastic washer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022112605.3U CN213476665U (en) | 2020-09-22 | 2020-09-22 | A reinforced structure for municipal bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022112605.3U CN213476665U (en) | 2020-09-22 | 2020-09-22 | A reinforced structure for municipal bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213476665U true CN213476665U (en) | 2021-06-18 |
Family
ID=76362560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022112605.3U Active CN213476665U (en) | 2020-09-22 | 2020-09-22 | A reinforced structure for municipal bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213476665U (en) |
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2020
- 2020-09-22 CN CN202022112605.3U patent/CN213476665U/en active Active
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