CN220977671U - Shear connector of steel-concrete composite girder bridge - Google Patents
Shear connector of steel-concrete composite girder bridge Download PDFInfo
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- CN220977671U CN220977671U CN202323029989.2U CN202323029989U CN220977671U CN 220977671 U CN220977671 U CN 220977671U CN 202323029989 U CN202323029989 U CN 202323029989U CN 220977671 U CN220977671 U CN 220977671U
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- concrete composite
- bolt
- composite girder
- shear connector
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- 239000002131 composite material Substances 0.000 title claims abstract description 30
- 239000004567 concrete Substances 0.000 title claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 30
- 239000010959 steel Substances 0.000 claims abstract description 30
- 230000003014 reinforcing effect Effects 0.000 claims description 17
- 230000000694 effects Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 description 12
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a shear connector of a steel-concrete composite girder bridge, which relates to the technical field of steel-concrete composite girder bridges, in particular to a shear connector of a steel-concrete composite girder bridge. This shear force connecting piece of steel and concrete composite beam bridge through cavity piece, strip shaped plate, spacing spring, location slider, gag lever post, arm-tie, locating piece and bolt's setting, makes this shear force connecting piece of steel and concrete composite beam bridge possess the effect that improves the stability of bolt installation, through the position of bolt restriction gusset plate, through the position of gag lever post restriction bolt, avoids leading to the bolt not hard up because of vibrations, improves stability, has reached the purpose that improves the practicality.
Description
Technical Field
The utility model relates to the technical field of steel-concrete composite girder bridges, in particular to a shear connector of a steel-concrete composite girder bridge.
Background
The steel-concrete composite girder bridge is a composite structure bridge taking a girder bridge span as a basic structure, and after more than two systems are overlapped, the counterforce property of the whole structure is still the same as the characteristics of a girder loaded by bending. Such bridges are characterized mainly by heavy design and calculation work, complex construction details and internal forces.
The bolt shear connector is generally screwed into the supporting steel plate of the steel girder through constructors during manufacturing, but after the bolt is screwed into the supporting steel plate, the bolt is in threaded connection with the supporting steel plate, the existing bolt can loosen due to vibration in the use process, the shear strength of the bolt is reduced, the stability of the steel-concrete composite girder bridge is affected, and the supporting stability of the existing shear connector of the steel-concrete composite girder bridge is poor.
Disclosure of utility model
(One) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a shear connector of a steel-concrete composite girder bridge, which solves the problems in the prior art.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a shear force connecting piece of steel and concrete composite beam bridge, including the back-up steel sheet, gusset plate and U-shaped reinforcement frame, cavity piece and strip board are installed respectively at the top of gusset plate, the inside of cavity piece has been seted up and has been used the degree of depth, the location spout that the fore-and-aft direction is length, the internally mounted of location spout has stop spring, the location slider is installed to stop spring's one end, the gag lever post is installed to the tip of location slider, the arm-tie is installed to the one end of gag lever post, the locating piece is installed to the bottom of gusset plate, screw hole and constant head tank have been seted up respectively at the top of gusset plate, the inside of screw hole is provided with the bolt, protruding slider is installed to the interior bottom wall of U-shaped reinforcement frame, the T shape spout that the fore-and-aft direction is the degree of depth has been seted up to the inner mounting of T shape spout that the upper and lower direction is length, reset spring's one end installs T shape slider, the fixture block is installed to T shape slider's tip, the ejector pad is installed to the bottom of fixture block.
Optionally, the end of the positioning slide block is located inside the positioning slide groove, and the positioning slide block can slide along the length direction of the positioning slide groove.
Optionally, a limit groove with depth in the front-rear direction is formed in the rear of the bolt, one end, away from the pull plate, of the limit rod is spliced in the limit groove, and the pull plate is located outside the cavity block.
Optionally, the bottom of gusset plate and the top butt of supporting steel sheet, the tip grafting of locating piece is in the inside of constant head tank.
Optionally, the top of the reinforcing plate is provided with a through hole with depth in the vertical direction, the bolt penetrates through the through hole, and the distance between the center and the edge of the bolt is smaller than the minimum distance between the center of the bolt and the cavity block.
Optionally, the inner bottom wall of the supporting steel plate is provided with a convex chute with the depth in the up-down direction and the length in the front-back direction, the end part of the convex sliding block is positioned in the convex chute, the convex sliding block can slide along the length direction of the convex chute, the front surface and the back surface of the strip-shaped plate are provided with rectangular grooves with the depth in the front-back direction, and the end part of the U-shaped reinforcing frame is spliced in the rectangular grooves.
Optionally, the end of the T-shaped slider is located inside the T-shaped chute, and the T-shaped slider can slide along the length direction of the T-shaped chute.
Optionally, a clamping groove with the depth in the up-down direction is formed in the bottom of the U-shaped reinforcing frame, and the end part of the clamping block is spliced in the clamping groove.
(III) beneficial effects
The utility model provides a shear connector of a steel-concrete composite girder bridge, which has the following beneficial effects:
1. This shear force connecting piece of steel and concrete composite beam bridge through cavity piece, strip shaped plate, spacing spring, location slider, gag lever post, arm-tie, locating piece and bolt's setting, makes this shear force connecting piece of steel and concrete composite beam bridge possess the effect that improves the stability of bolt installation, through the position of bolt restriction gusset plate, through the position of gag lever post restriction bolt, avoids leading to the bolt not hard up because of vibrations, improves stability, has reached the purpose that improves the practicality.
2. This shear force connecting piece of steel and concrete composite beam bridge, through protruding slider, reset spring, T shape slider, fixture block and ejector pad's setting, make this shear force connecting piece of steel and concrete composite beam bridge possess the effect that improves holistic supporting stability, play outside support and consolidate holistic effect through the U-shaped support frame, through the cooperation of reset spring and fixture block, conveniently restrict the position of U-shaped reinforcing frame, conveniently play the effect of reinforcement, reached the purpose that improves the practicality.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model in front section;
FIG. 3 is a schematic top view of the present utility model;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3A according to the present utility model;
fig. 5 is a schematic side view in cross section of the present utility model.
In the figure: 1. supporting a steel plate; 2. a reinforcing plate; 3. a U-shaped reinforcing frame; 4. a cavity block; 5. a strip-shaped plate; 6. a limit spring; 7. positioning a sliding block; 8. a limit rod; 9. pulling a plate; 10. a positioning block; 11. a bolt; 12. a convex slide block; 13. a return spring; 14. a T-shaped slider; 15. a clamping block; 16. and pushing the block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1
Referring to fig. 1 to 4, the present utility model provides the following technical solutions: the shear connector of the reinforced concrete composite beam bridge comprises a supporting steel plate 1, a reinforcing plate 2 and a U-shaped reinforcing frame 3, wherein the bottom of the reinforcing plate 2 is abutted against the top of the supporting steel plate 1, the end part of a positioning block 10 is inserted into the inside of a positioning groove, a through hole with depth in the up-down direction is formed in the top of the reinforcing plate 2, a bolt 11 penetrates through the through hole, the distance between the center and the edge of the bolt 11 is smaller than the minimum distance between the center of the bolt 11 and a cavity block 4, a convex chute with depth in the up-down direction and length in the front-back direction is formed in the inner bottom wall of the supporting steel plate 1, the end part of a convex sliding block 12 is positioned in the convex chute, the convex sliding block 12 can slide along the length direction of the convex chute, rectangular grooves with depth in the front-back direction are formed in the front of the strip plate 5, the end part of the U-shaped reinforcing frame 3 is inserted into the rectangular groove, the bottom of the U-shaped reinforcing frame 3 is provided with a clamping groove with depth in the up-down direction, the end part of a clamping block 15 is inserted into the clamping groove, the top of the reinforcing plate 2 is respectively provided with a cavity block 4 and a strip-shaped plate 5, the inside of the cavity block 4 is provided with a positioning chute with depth in the left-right direction and length in the front-back direction, the inside of the positioning chute is provided with a limiting spring 6, one end of the limiting spring 6 is provided with a positioning slide block 7, the end part of the positioning slide block 7 is positioned in the positioning chute, the positioning slide block 7 can slide along the length direction of the positioning chute, the end part of the positioning slide block 7 is provided with a limiting rod 8, one end of the limiting rod 8 is provided with a pull plate 9, the bottom of the reinforcing plate 2 is provided with a positioning block 10, the top of the supporting steel plate 1 is respectively provided with a threaded hole and a positioning groove, the inside of the threaded hole is provided with a bolt 11, the rear of the bolt 11 is provided with a limiting groove with depth in the front-back direction, one end of the limiting rod 8, which is far away from the pulling plate 9, is inserted into the limiting groove, and the pulling plate 9 is positioned outside the cavity block 4.
When the reinforced plate 2 is used, when being connected with the supporting steel plate 1, the reinforced plate 2 is moved, the end part of the positioning block 10 is inserted into the positioning groove, after the bottom of the reinforced plate 2 is abutted against the top of the supporting steel plate 1, the pulling plate 9 is pulled, the pulling plate 9 drives the limiting rod 8 and the positioning slide block 7 to move, the positioning slide block 7 is positioned and slid along the length direction of the positioning slide groove, the limiting spring 6 is stressed and contracted, the end part of the limiting rod 8 is led to enter the cavity block 4, the bolt 11 penetrates through the through hole, the distance between the center and the edge of the bolt 11 is smaller than the minimum distance between the center of the bolt 11 and the cavity block 4, the rotation of the bolt 11 is not influenced by the cavity block 4, the bolt 11 is screwed, the bolt 11 is led to enter the threaded hole, the reinforced plate 2 is in threaded connection with the supporting steel plate 1 through the bolt 11, the limiting groove is aligned with the limiting rod 8 at the moment after the bolt 11 is screwed, the pulling plate 9 is loosened, the end part of the limiting rod 8 is inserted into the inside of the limiting groove through the elastic tension of the limiting spring 6, the position of the limiting rod 11 is conveniently limited, the bolt 11 is prevented from loosening due to the vibration caused, the stability of the installation is improved.
Example 2
Referring to fig. 1 to 5, the present utility model provides the following technical solutions: the utility model provides a shear force connecting piece of steel and concrete composite beam bridge, protruding slider 12 is installed to the interior bottom wall of U-shaped reinforcement frame 3, the T shape spout that is the degree of depth with the fore-and-aft direction, the upper and lower direction is length is seted up to the inner wall of supporting steel sheet 1, the internally mounted of T shape spout has reset spring 13, T shape slider 14 is installed to one end of reset spring 13, the tip of T shape slider 14 is located the inside of T shape spout, T shape slider 14 can follow the length direction slip of T shape spout, fixture block 15 is installed to the tip of T shape slider 14, push away the piece 16 is installed to the bottom of fixture block 15.
During the use, play the effect of reinforcement through U-shaped reinforcement frame 3, improve holistic supporting stability, downward pulling ejector pad 16, make fixture block 15 drive T shape slider 14 and remove, make T shape slider 14 remove along the length direction of T shape spout, make reset spring 13 atress shrink, make the tip of fixture block 15 leave the draw-in groove, remove U-shaped reinforcement frame 3, make protruding slider 12 remove along the length direction of protruding spout, U-shaped reinforcement frame 3 cup joint in the outside of gusset plate 2 and supporting steel plate 1, play the effect of reinforcement, the tip grafting of U-shaped reinforcement frame 3 enters into the inside of rectangle groove, when the tip of U-shaped reinforcement frame 3 and the inner wall butt of rectangle groove, the position of draw-in groove aligns with the position of fixture block 15 this moment, loosen ejector pad 16, through reset spring 13's elastic tension, make the tip grafting of fixture block 15 enter into the inside of draw-in groove, conveniently restrict the position of U-shaped reinforcement frame 3, improve holistic stability, improve the practicality.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (8)
1. The utility model provides a shear force connecting piece of steel and concrete composite beam bridge, includes supporting steel plate, gusset plate and U-shaped reinforcing frame, its characterized in that: the top of gusset plate is installed cavity piece and strip shaped plate respectively, the inside of cavity piece has been seted up and has been used the degree of depth about, the fore-and-aft direction is the location spout of length, the internally mounted of location spout has spacing spring, the locating slider is installed to spacing spring's one end, the gag lever post is installed to the tip of locating slider, the arm-tie is installed to the one end of gag lever post, the locating piece is installed to the bottom of gusset plate, screw hole and constant head tank have been seted up respectively to the top of holding steel plate, the inside of screw hole is provided with the bolt, protruding type slider is installed to the interior bottom wall of U-shaped stiffening frame, the T shape spout that is the degree of depth about with the fore-and-aft direction, the internally mounted of T shape spout has reset spring, T shape slider is installed to reset spring's one end, the fixture block is installed to the tip of T shape slider, the ejector pad is installed to the bottom of fixture block.
2. The shear connector of a steel-concrete composite girder bridge according to claim 1, wherein: the end of the positioning slide block is positioned in the positioning slide groove, and the positioning slide block can slide along the length direction of the positioning slide groove.
3. The shear connector of a steel-concrete composite girder bridge according to claim 1, wherein: the back of bolt has offered the spacing groove that uses the fore-and-aft direction to be the degree of depth, and the one end that the gag lever post was kept away from the arm-tie is pegged graft in spacing inslot portion, and the arm-tie is located the outside of cavity piece.
4. The shear connector of a steel-concrete composite girder bridge according to claim 1, wherein: the bottom of gusset plate and the top butt of supporting steel sheet, the tip grafting of locating piece is in the inside of constant head tank.
5. The shear connector of a steel-concrete composite girder bridge according to claim 1, wherein: the top of gusset plate has offered the through-hole with upper and lower direction is the degree of depth, and the bolt runs through in the through-hole, and the interval between the center of bolt and the edge is less than the minimum interval between the center of bolt and the cavity piece.
6. The shear connector of a steel-concrete composite girder bridge according to claim 1, wherein: the inner bottom wall of the supporting steel plate is provided with a convex chute with depth in the up-down direction and length in the front-back direction, the end part of the convex sliding block is positioned in the convex chute, the convex sliding block can slide along the length direction of the convex chute, the front surface and the back surface of the strip-shaped plate are provided with rectangular grooves with depth in the front-back direction, and the end part of the U-shaped reinforcing frame is spliced in the rectangular grooves.
7. The shear connector of a steel-concrete composite girder bridge according to claim 1, wherein: the end of the T-shaped sliding block is positioned in the T-shaped sliding groove, and the T-shaped sliding block can slide along the length direction of the T-shaped sliding groove.
8. The shear connector of a steel-concrete composite girder bridge according to claim 1, wherein: the bottom of the U-shaped reinforcing frame is provided with a clamping groove with the depth in the vertical direction, and the end part of the clamping block is spliced in the clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323029989.2U CN220977671U (en) | 2023-11-10 | 2023-11-10 | Shear connector of steel-concrete composite girder bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323029989.2U CN220977671U (en) | 2023-11-10 | 2023-11-10 | Shear connector of steel-concrete composite girder bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220977671U true CN220977671U (en) | 2024-05-17 |
Family
ID=91037517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323029989.2U Active CN220977671U (en) | 2023-11-10 | 2023-11-10 | Shear connector of steel-concrete composite girder bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220977671U (en) |
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2023
- 2023-11-10 CN CN202323029989.2U patent/CN220977671U/en active Active
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