CN115852848A - Prefabricated assembled bridge - Google Patents
Prefabricated assembled bridge Download PDFInfo
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- CN115852848A CN115852848A CN202310129907.7A CN202310129907A CN115852848A CN 115852848 A CN115852848 A CN 115852848A CN 202310129907 A CN202310129907 A CN 202310129907A CN 115852848 A CN115852848 A CN 115852848A
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- prefabricated bridge
- bridge section
- prefabricated
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Abstract
The invention discloses a prefabricated bridge, and relates to the technical field of bridges. The prefabricated bridge structure comprises a first side upright post and a second side upright post, wherein a first mounting block is arranged on the first side upright post, a first prefabricated bridge section is arranged on the first mounting block, a second mounting block is arranged on the second side upright post, a plurality of middle upright posts are arranged between the first side upright post and the second side upright post, third mounting blocks are arranged on the middle upright posts, a plurality of third prefabricated bridge sections are arranged between the first prefabricated bridge section and the second prefabricated bridge section, and the top of each third mounting block is in contact with the end parts of two third prefabricated bridge sections or one third prefabricated bridge section, one first prefabricated bridge section or one third prefabricated bridge section and one second prefabricated bridge section; the invention has the beneficial effects that: through the cooperation of recess and connecting rod, strengthened convenience and the stability of being connected between bridge section and the stand.
Description
Technical Field
The invention mainly relates to the technical field of bridges, in particular to a prefabricated bridge.
Background
In the field of bridge construction, the prefabricated bridge can effectively improve the large-scale prefabrication and site construction speed, ensure the quality of structural members and improve the structural durability.
In the retrieval to relevant subject, patent CN 202220300696.X discloses a prefabricated assembled bridge, including prefabricated bridge segment, center pillar and side post, through setting up the supporting seat between two adjacent prefabricated bridge segments, the inserted bar, the connecting piece, the standing groove, the jack, screw rod and nut, the supporting seat can provide stable supporting role between two adjacent prefabricated bridge segments, can be taut two adjacent prefabricated bridge segments through the inserted bar simultaneously, the rethread connecting piece can be fixed two relative inserted bars, thereby can be with the firm installation between two adjacent prefabricated bridge segments, and operating is less, has improved the installation effectiveness.
However, bridge section and bridge column mainly rely on screw rod and nut to fix in above-mentioned bridge, and the construction of bridge generally adopts the reinforced cement material, need consume great manpower and materials at the installation screw rod nut, in case the installation appears collapsing or other damage condition, can influence the stability of bridge junction.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a prefabricated bridge, which enhances the convenience and stability of connection between a bridge section and an upright post through the matching of a groove and a connecting rod.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a prefabricated assembled bridge comprises a first side upright post and a second side upright post, wherein a first installation block is arranged on the first side upright post, a first prefabricated bridge section is arranged on the first installation block, a second installation block is arranged on the second side upright post, a second prefabricated bridge section is arranged on the second installation block, a plurality of middle upright posts are arranged between the first side upright post and the second side upright post, third installation blocks are arranged on the middle upright posts, a plurality of third prefabricated bridge sections are arranged between the first prefabricated bridge section and the second prefabricated bridge section, and the top of each third installation block is in contact with the end parts of two third prefabricated bridge sections or one third prefabricated bridge section, one first prefabricated bridge section or one third prefabricated bridge section and one second prefabricated bridge section;
two grooves are formed in the side faces of the first prefabricated bridge section, the second prefabricated bridge section and the third prefabricated bridge section, and the grooves are located at the positions of the first installation block, the second installation block and the third installation block;
the side of installation piece is equipped with the screw hole, threaded hole is equipped with the connecting rod, threaded connection between connecting rod and the screw hole, connecting rod one end is located the recess, the connecting rod is kept away from recess one end and is equipped with the slide bar, sliding connection between slide bar and the connecting rod, the slide bar tip is equipped with the regulating block, works as when the regulating block rotates, can drive slide bar and connecting rod and rotate, regulating spring is established to the cover on the slide bar, the regulating spring both ends respectively with regulating block, connecting rod fixed connection.
The top surface of first mount pad, second mount pad, third mount pad all is equipped with the installation hole, the bottom of first prefabricated bridge section, the prefabricated bridge section of second, the prefabricated bridge section of third all is equipped with the installation arch, the installation arch is located the installation hole, it is fixed through installation hole and installation arch between first mount pad, second mount pad, third mount pad and first prefabricated bridge section, the prefabricated bridge section of second, the prefabricated bridge section of third.
A buffer part is arranged in the mounting pit.
The sliding rod is provided with a sliding protrusion, a sliding groove is formed in the connecting rod, and the sliding rod is connected with the connecting rod in a sliding mode through the sliding protrusion and the sliding groove.
The sliding protrusion and the sliding groove are multiple.
The sliding groove is communicated with the end part of the connecting rod, when the sliding rod slides out of the connecting rod, a protective rod is arranged on the connecting rod, and the protective rod is L-shaped.
The prefabricated bridge structure is characterized in that prefabricated frames are arranged on the third installation block, the number of the prefabricated frames is two on the third installation block, the two prefabricated frames are respectively fixed on the corresponding first prefabricated bridge section, the second prefabricated bridge section and the third prefabricated bridge section and are opposite to each other in pairs, and a plurality of through holes are formed in the bottom of each prefabricated frame.
The support rod is arranged on the center pillar, a support block is arranged at one end, far away from the center pillar, of the support rod, and a fixing bolt is arranged on the support block.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the groove on the prefabricated bridge section is matched with the connecting rod of the mounting block on the upright post, after the corresponding prefabricated bridge section is placed in the mounting block, the connecting rod enters the groove by rotating the adjusting block, then concrete is poured at the position of the groove, the bridge section and the upright post are stably mounted, and in the pouring and mounting process, under the action of the sliding rod and the adjusting spring, the side surfaces of the mounting block and the bridge section are buffered and protected, so that the damage to the bridge section and the upright post is reduced relative to a screw and nut structure, and the convenience and the stability of connection between the bridge section and the upright post are enhanced.
Drawings
FIG. 1 is a schematic structural diagram of a front view of embodiment 1 of the present invention;
FIG. 2 is a schematic front view connection structure of a first prefabricated bridge section and a third prefabricated bridge section according to embodiment 2 of the present invention;
FIG. 3 is a schematic right side view of the structure of FIG. 2;
FIG. 4 is a left side view of the first side pillar of embodiment 1 of the present invention;
FIG. 5 is a schematic view of the internal structure of the connecting rod of FIG. 4;
FIG. 6 is a schematic view of the internal structure of a connecting rod according to embodiment 3 of the present invention;
FIG. 7 is an enlarged view of the portion I of the present invention.
Reference numerals shown in the drawings: 1. a first side column 1; 2. a second side pillar 2; 3. a first mounting block; 4. a first prefabricated bridge section; 5. a second mounting block; 6. a second prefabricated bridge section; 7. a middle upright post; 8. a third mounting block; 9. a third prefabricated bridge section; 10. a groove; 11. a threaded hole; 12. a connecting rod; 13. a slide bar; 14. an adjusting block; 15. adjusting the spring; 16. installing a pit; 17. mounting a boss; 18. a buffer section; 19. a sliding projection; 20. a chute; 21. a guard bar; 22. prefabricating a frame; 23. a through hole; 24. a support bar; 25. a support block; 26. and (5) fixing the bolt.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
The standard parts used in the application can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, and the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art.
Meanwhile, in order to clearly express the connection relation and the working principle among all the components, the emphasis is placed on the point that the drawings in the specification are arranged and drawn in a simplified diagram mode, and one simplified diagram can correspond to various materials and external actual structural models.
As shown in the attached drawings, a prefabricated assembled bridge comprises a first side upright post 1 and a second side upright post 2, wherein a first installation block 3 is arranged on the first side upright post 1, a first prefabricated bridge section 4 is arranged on the first installation block 3, a second installation block 5 is arranged on the second side upright post 2, a second prefabricated bridge section 6 is arranged on the second installation block 5, a plurality of middle upright posts 7 are arranged between the first side upright post 1 and the second side upright post 2, a third installation block 8 is arranged on the middle upright posts 7, a plurality of third prefabricated bridge sections 9 are arranged between the first prefabricated bridge section 4 and the second prefabricated bridge section 6, as shown in fig. 1, when the prefabricated bridge is actually used, a plurality of third prefabricated bridge sections can be arranged between the first prefabricated bridge section and the second prefabricated bridge section according to the length of the bridge, and only one third prefabricated bridge section is arranged in fig. 1 and used for explaining the composition and action of components. The top of the third mounting block 8 is in contact with the ends of two third prefabricated bridge sections 9 or one third prefabricated bridge section 9, one first prefabricated bridge section 4 or one third prefabricated bridge section 9 and one second prefabricated bridge section 6;
two grooves 10 are formed in the side surfaces of the first prefabricated bridge section 4, the second prefabricated bridge section 6 and the third prefabricated bridge section 9, and the grooves 10 are located at the positions of the first installation block 3, the second installation block 5 and the third installation block 8;
the side of installation piece is equipped with screw hole 11, be equipped with connecting rod 12 in the screw hole 11, threaded connection between connecting rod 12 and the screw hole 11, connecting rod 12 one end is located recess 10, connecting rod 12 is kept away from recess 10 one end and is equipped with slide bar 13, sliding connection between slide bar 13 and the connecting rod 12, slide bar 13 tip is equipped with regulating block 14, works as when regulating block 14 rotates, can drive slide bar 13 and connecting rod 12 and rotate, regulating spring 15 is established to the cover on slide bar 13, 15 both ends of regulating spring respectively with regulating block 14, connecting rod 12 fixed connection. As shown in the attached drawings 4 and 5, when the adjusting block rotates, the sliding rod is driven to rotate, the connecting rod is driven to rotate, after the prefabricated bridge section is placed into the mounting block, the prefabricated bridge section can be manually or mechanically connected, the adjusting block is driven to rotate, and the connecting rod is screwed into the groove. After the screw in, under adjusting spring's effect, the regulating block plays the guard action to mount pad and prefabricated bridge segment side, and when side object or equipment touched the regulating block, the sliding block slided, cushions the striking dynamics.
Further, the top surfaces of the first installation seat, the second installation seat and the third installation seat are all provided with installation pits 16, the bottoms of the first prefabricated bridge section 4, the second prefabricated bridge section 6 and the third prefabricated bridge section 9 are all provided with installation protrusions 17, the installation protrusions 17 are located in the installation pits 16, and the first installation seat, the second installation seat and the third installation seat are fixed with the first prefabricated bridge section 4, the second prefabricated bridge section 6 and the third prefabricated bridge section 9 through the installation pits 16 and the installation protrusions 17. The arrangement of the mounting pit and the mounting protrusion further improves the stability of the prefabricated bridge section on the mounting seat.
Preferably, a buffer part 18 is provided in the mounting pit 16. The setting of buffer portion has reduced installation hole and the bellied friction impact of installation, has further strengthened the stability of supporting the connection.
Preferably, the sliding rod 13 is provided with a sliding protrusion 19, the connecting rod 12 is provided with a sliding groove 20, and the sliding rod is slidably connected with the connecting rod 12 through the sliding protrusion 19 and the sliding groove 20. The sliding protrusion can drive the sliding rod and the connecting rod to rotate, sliding transmission between the sliding rod and the connecting rod can be achieved, the structure is simple, and the performance is flexible.
Preferably, the sliding protrusion 19 and the sliding groove 20 are both provided in plurality. The stability of the sliding rod and the rotation of the connecting rod is enhanced.
Preferably, the sliding groove 20 is communicated with the end of the connecting rod 12, when the sliding rod 13 slides out of the connecting rod 12, a protective rod 21 is arranged on the connecting rod 12, and the protective rod 21 is in an L shape. The sliding rod is convenient to take down, the protective rod is installed, and the convenience and the flexibility of bridge prefabrication are further enhanced.
Furthermore, prefabricated frames 22 are arranged on the third installation block 8, two prefabricated frames 22 are arranged on the third installation block 8, the two prefabricated frames 22 are respectively fixed on the corresponding first prefabricated bridge section 4, the second prefabricated bridge section 6 and the third prefabricated bridge section 9 and are opposite to each other in pairs, and a plurality of through holes 23 are formed in the bottom of each prefabricated frame 22.
Precast frame can be poured and built
Furthermore, a support rod 24 is arranged on the center pillar 7, a support block 25 is arranged at one end of the support rod 24, which is far away from the center pillar 7, and a fixing bolt 26 is arranged on the support block 25. The bracing piece is as the auxiliary rod, and the stability of bridge has further been strengthened with prefabricated bridge segment to the auxiliary stay center pillar.
Example 1:
in this embodiment, at first place first side stand, second side stand and third side stand, after placing, corresponding first prefabricated bridge segment of placing, second prefabricated bridge segment, the prefabricated bridge segment of third again, after placing, through the regulating block with the connecting rod screw in screw hole, and then in the screw in recess, after the screw in, toward the recess pouring concrete raw materials, fix connecting rod and prefabricated bridge segment.
Example 2:
in this embodiment, on the basis of embodiment 1, be equipped with prefabricated frame between the junction of prefabricated bridge segment, after placing, pour the concrete raw materials in the prefabricated frame, the raw materials accessible through-hole flows into on the mount pad to it is more firm to make between the prefabricated bridge segment, be connected between prefabricated bridge segment and the mount pad.
Example 3:
in this embodiment, on the foundation wall of embodiment 1, after the connecting rod and the prefabricated bridge section are cast and fixed, the adjusting spring and the connecting section of the connecting rod are cut off or twisted off, as shown in fig. 5 and 6, after the sliding rod slides out, the L-shaped guardrail is inserted into the connecting rod, and concrete is poured to fix the guardrail.
Claims (8)
1. The utility model provides a prefabricated bridge, includes first side stand and second side stand, its characterized in that: the first side upright post is provided with a first installation block, the first installation block is provided with a first prefabricated bridge section, the second side upright post is provided with a second installation block, the second installation block is provided with a second prefabricated bridge section, a plurality of middle upright posts are arranged between the first side upright post and the second side upright post, the middle upright posts are provided with third installation blocks, a plurality of third prefabricated bridge sections are arranged between the first prefabricated bridge section and the second prefabricated bridge section, and the top of each third installation block is contacted with the end parts of two third prefabricated bridge sections or one third prefabricated bridge section, one first prefabricated bridge section or one third prefabricated bridge section and one second prefabricated bridge section;
two grooves are formed in the side faces of the first prefabricated bridge section, the second prefabricated bridge section and the third prefabricated bridge section, and the grooves are located at the positions of the first installation block, the second installation block and the third installation block;
the side of first installation piece, second installation piece, third installation piece all is equipped with the screw hole, threaded hole is equipped with the connecting rod, threaded connection between connecting rod and the screw hole, connecting rod one end is located the recess, the connecting rod is kept away from recess one end and is equipped with the slide bar, sliding connection between slide bar and the connecting rod, the slide bar tip is equipped with the regulating block, works as when the regulating block rotates, can drive slide bar and connecting rod and rotate, regulating spring is established to the cover on the slide bar, the regulating spring both ends respectively with regulating block, connecting rod fixed connection.
2. The prefabricated bridge girder according to claim 1, wherein: the top surface of first mount pad, second mount pad, third mount pad all is equipped with the installation hole, the bottom of first prefabricated bridge section, the prefabricated bridge section of second, the prefabricated bridge section of third all is equipped with the installation arch, the installation arch is located the installation hole, it is fixed through installation hole and installation arch between first mount pad, second mount pad, third mount pad and first prefabricated bridge section, the prefabricated bridge section of second, the prefabricated bridge section of third.
3. The prefabricated bridge girder of claim 2, wherein: a buffer part is arranged in the mounting pit.
4. The prefabricated bridge girder of claim 1, wherein: the sliding rod is provided with a sliding bulge, a sliding groove is formed in the connecting rod, and the sliding rod is connected with the connecting rod in a sliding mode through the sliding bulge and the sliding groove.
5. The prefabricated bridge girder of claim 4, wherein: the sliding protrusion and the sliding groove are multiple.
6. The prefabricated bridge girder according to claim 4 or 5, wherein: the sliding groove is communicated with the end part of the connecting rod, when the sliding rod slides out of the connecting rod, a protective rod is arranged on the connecting rod, and the protective rod is L-shaped.
7. The prefabricated bridge girder of claim 1, wherein: the prefabricated bridge structure is characterized in that prefabricated frames are arranged on the third installation block, the number of the prefabricated frames is two on the third installation block, the two prefabricated frames are respectively fixed on the corresponding first prefabricated bridge section, the second prefabricated bridge section and the third prefabricated bridge section and are opposite to each other in pairs, and a plurality of through holes are formed in the bottom of each prefabricated frame.
8. The prefabricated bridge girder of claim 1, wherein: the support rod is arranged on the center pillar, a support block is arranged at one end, far away from the center pillar, of the support rod, and a fixing bolt is arranged on the support block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310129907.7A CN115852848A (en) | 2023-02-17 | 2023-02-17 | Prefabricated assembled bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310129907.7A CN115852848A (en) | 2023-02-17 | 2023-02-17 | Prefabricated assembled bridge |
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| Publication Number | Publication Date |
|---|---|
| CN115852848A true CN115852848A (en) | 2023-03-28 |
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ID=85658307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310129907.7A Pending CN115852848A (en) | 2023-02-17 | 2023-02-17 | Prefabricated assembled bridge |
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| CN (1) | CN115852848A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116607393A (en) * | 2023-04-28 | 2023-08-18 | 珠海市穗源市政工程有限公司 | Assembled bridge steel composite structure and processing equipment thereof |
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2023
- 2023-02-17 CN CN202310129907.7A patent/CN115852848A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116607393A (en) * | 2023-04-28 | 2023-08-18 | 珠海市穗源市政工程有限公司 | Assembled bridge steel composite structure and processing equipment thereof |
| CN116607393B (en) * | 2023-04-28 | 2023-11-10 | 广州市第二市政工程有限公司 | Assembled bridge steel composite structure and processing equipment thereof |
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