CN215052155U - Continuous beam combined shear connector structure device - Google Patents
Continuous beam combined shear connector structure device Download PDFInfo
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- CN215052155U CN215052155U CN202120522681.3U CN202120522681U CN215052155U CN 215052155 U CN215052155 U CN 215052155U CN 202120522681 U CN202120522681 U CN 202120522681U CN 215052155 U CN215052155 U CN 215052155U
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Abstract
The utility model provides a continuous beam combination formula shear force key constructional device, including built-in fitting and bearing bracket, the built-in fitting includes the finish rolling screw-thread steel, and the bearing bracket includes the locating plate, goes up backup pad and bottom suspension fagging to and go up the braced frame between backup pad and the bottom suspension fagging, set up a set of locating hole that is used for the finish rolling screw-thread steel to pass through on the locating plate, the top surface of going up the backup pad is provided with and is used for a set of otic placode of seting up the mounting hole with bracket connection. The utility model discloses a bearing bracket and adapting unit of rational structure's frame-type realize being connected of bracket and pier shaft, the bearing bracket passes through the locating plate and conveniently installs in pier shaft surface to guarantee the structural integrity of whole pier shaft, treat after the use, surface repair is simple, and post processing is swift, guarantees the outward appearance quality of pier shaft, has and has simple structure, stability is high, dismantle more convenient advantage, in field operation easily, consider the recycle in later stage simultaneously, practice thrift the cost outside the design.
Description
Technical Field
The utility model relates to a continuous beam combination formula shear force key constructional device belongs to highway and railway high mound continuous beam construction technical field.
Background
At present, with the high-speed development of economy in China, the status of traffic engineering construction is particularly important; especially, a continuous girder bridge, which is a bridge with low investment cost and low construction difficulty, is increasingly applied to the current road construction. Under the background, a plurality of problems are often encountered during the construction of the continuous beam bridge, for example, the difficult problems of high ground clearance, difficult installation of a support, difficult control of installation quality and the like generally exist in the concrete construction of the continuous beam bridge, so that the off-ground type shear key bracket is generally adopted at present. However, the existing shear key bracket must be grooved in the pier body, so that the vertical steel bars and the horizontal steel bars of the main structure of the pier body are cut off. Therefore, it is particularly important to develop a novel shear key.
Disclosure of Invention
In order to solve the not enough of prior art, the utility model provides a continuous beam combination formula shear force key constructional device, the bearing bracket and adapting unit through the frame-type of rational structure realize being connected of bracket and pier shaft, the bearing bracket passes through the locating plate and conveniently installs in pier shaft surface, thereby guarantee the structural integrity of whole pier shaft, after waiting to use, the resurfacing is simple, the post processing is swift, guarantee the outward appearance quality of pier shaft, simple structure has, high stability, dismantle more convenient advantage, easy at field operation, the recycle in later stage is considered simultaneously, practice thrift the outer cost of design.
The utility model discloses a solve the technical scheme that its technical problem adopted and be: the utility model provides a continuous beam combination formula shear force key constructional device, the bearing bracket of being connected including the built-in fitting that length is less than pre-buried wall thickness and with the built-in fitting, the built-in fitting includes finish rolling screw-thread steel, finish rolling screw-thread steel's one end and round nut threaded connection, finish rolling screw-thread steel's the other end and the awl threaded connection of climbing, the bearing bracket is including being used for the locating plate of being connected with pre-buried wall lateral wall, be fixed in the positive last backup pad and the bottom suspension fagging that is parallel to each other of locating plate, and go up the braced frame between backup pad and the bottom suspension fagging, set up a set of locating hole that is used for finish rolling screw-thread steel to pass through on the locating plate, the top surface of going up the backup pad is provided with a set of being used for being connected with the bracket and sets up the otic placode of mounting hole.
Go up the backup pad and all adopt the rectangular plate with the bottom suspension fagging, the length and the width of going up the backup pad all are greater than the length and the width of bottom suspension fagging.
The support frame comprises a group of support side plates perpendicular to the upper support plate and the positioning plate, adjacent support side plates are connected through a group of internal reinforcement transverse plates parallel to the upper support plate, and one side of each internal reinforcement transverse plate is connected to the surface of the positioning plate.
The support side plate comprises a rectangular plate portion and a right-angled trapezoidal plate portion, wherein one long edge of the rectangular plate portion is connected with the positioning plate, and the long bottom surface of the right-angled trapezoidal plate portion is connected with the other long edge of the rectangular plate portion.
A group of second reinforcing transverse plates parallel to the upper supporting plate are arranged between the supporting side plates positioned at the two sides and the positioning plate.
The side surface of the second reinforced transverse plate is connected with a positioning auxiliary plate, the positioning auxiliary plate is parallel to the positioning plate, and an auxiliary positioning hole consistent with the positioning hole of the positioning plate in position is formed in the positioning auxiliary plate.
The positioning holes are uniformly distributed in each unit frame body of the supporting frame.
The positioning plate adopts axisymmetric octagonal plates.
The mounting hole of the ear plate is provided with a stiffening ring.
A group of reinforcing plates vertical to the upper supporting plate are arranged between the ear plates and the upper supporting plate.
The utility model discloses based on the beneficial effect that its technical scheme had lies in:
(1) the utility model provides a continuous beam combination formula shear force key structure device realizes the connection of bracket and pier shaft through the frame-type bearing bracket and adapting unit of rational structure, the bearing bracket is conveniently installed in pier shaft surface through the locating plate, the construction mode that the shear force key between traditional bracket and pier shaft needs to imbed the pier shaft has been removed, can effectively avoid the cutting disconnection of pier shaft fluting, pier shaft structure vertical reinforcement, transverse reinforcement, effectively guaranteed pier shaft structure atress, the table is restoreed simply after using and accomplishing, the post processing is simple swift, it does not leave over the problem to compare pre-buried steel sheet etc. omission;
(2) the utility model provides a pair of continuous beam combination formula shear force key constructional device adopts the built-up connection of built-in fitting and bearing bracket, needn't weld between bracket and the pier shaft, need not to adopt the oxygen acetylene cutting, working strength greatly reduced, and the bearing bracket part of retrieving can reuse many times, and the reuse ratio of steel is high.
Drawings
Fig. 1 is a schematic elevation structure diagram of a continuous beam combined shear key structure device provided by the present invention.
Fig. 2 is a sectional view a-a of fig. 1.
Fig. 3 is a sectional view B-B of fig. 1.
Fig. 4 is a schematic structural view of the positioning plate.
Fig. 5 is a schematic view of the positioning sub-plate structure.
Fig. 6 is a schematic view of a using state of the continuous beam combined shear key structure device provided by the present invention.
In the figure: 1-stiffening ring, 2-ear plate, 3-positioning plate, 4-upper supporting plate, 5-supporting side plate, 6-auxiliary positioning hole, 7-embedded part, 8-positioning auxiliary plate, 9-oblique support, 10-reinforcing plate, 11-internal reinforcing transverse plate, 12-lower supporting plate, 13-second reinforcing transverse plate, 14-transverse support and 15-embedded wall.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
The utility model provides a continuous beam combination formula shear force key constructional device, refer to fig. 1 to 6, the bearing bracket that is connected including the built-in fitting 7 that length is less than 15 thickness of pre-buried wall body and with the built-in fitting, the built-in fitting includes the finish rolling screw-thread steel, the one end and the round nut threaded connection of finish rolling screw-thread steel, the other end and the climbing awl threaded connection of finish rolling screw-thread steel, the bearing bracket is including being used for the locating plate 3 of being connected with pre-buried wall body lateral wall, be fixed in the positive last backup pad 4 and the bottom suspension fagging that are parallel to each other of locating plate, and go up the braced frame between backup pad and the bottom suspension fagging.
Go up the backup pad and all adopt the rectangular plate with the bottom suspension fagging, the length and the width of going up the backup pad all are greater than the length and the width of bottom suspension fagging. The supporting frame comprises a group of supporting side plates 5 which are perpendicular to the upper supporting plate and the positioning plate, adjacent supporting side plates are respectively connected through a group of internal reinforcing transverse plates 11 which are parallel to the upper supporting plate, and one side of each internal reinforcing transverse plate is connected to the surface of the positioning plate. The support side plate comprises a rectangular plate portion and a right-angled trapezoidal plate portion, wherein one long edge of the rectangular plate portion is connected with the positioning plate, and the long bottom surface of the right-angled trapezoidal plate portion is connected with the other long edge of the rectangular plate portion. The whole supporting frame is big end down, accords with the atress form to save steel.
In this embodiment, the locating plate adopts 20mm thick octagon board of axial symmetry, can satisfy the connection atress demand, again can save material, reduce cost. A group of positioning holes for the finish rolling deformed steel bars to pass through are formed in the positioning plate, and the positioning holes are uniformly distributed in each unit frame body of the supporting frame. In the embodiment, 2 x 3 phi 22 positioning holes are formed in two rows in the middle of the positioning plate, phi 20 positioning holes are formed in the middles of two sides of the positioning plate respectively, the bearing bracket is connected with the embedded part through bolts, cutting is not needed by oxygen and acetylene during dismantling, the appearance of the pier body is guaranteed to be perfect, and meanwhile the rigidity of the dismantling part of the pier body is guaranteed.
A group of second reinforcing transverse plates 13 parallel to the upper supporting plates are arranged between the supporting side plates on the two sides and the positioning plates, so that the bearing capacity of the steel plate can be increased, and the stable stress of the structure can be ensured.
The side face of the second reinforcing transverse plate is connected with a positioning auxiliary plate 8, the positioning auxiliary plate is parallel to the positioning plate, and an auxiliary positioning hole 6 which is consistent with the positioning hole of the positioning plate in position is formed in the positioning auxiliary plate, so that the connection between the embedded part and the positioning plate can be reinforced.
The top surface of the upper supporting plate is provided with a group of ear plates 2 which are used for being connected with the bracket and are provided with mounting holes. The mounting hole of the ear plate is provided with a stiffening ring 1 to strengthen the coupling force of the shear key and the oblique support. A set of reinforcing plates 10 vertical to the upper supporting plate are arranged between the ear plates and the upper supporting plate to ensure the stress strength of the lifting lug. The lifting lugs are connected with the inclined supports 9, namely the brackets, and the transverse supports 14, namely the bent frames, by pin shafts.
In this embodiment, each plate may be made of various special steel materials with anti-shearing force and supporting force, such as H-shaped steel, box-shaped steel, double-spliced i-shaped steel, and the like.
Through stress analysis of the structure, the climbing cone mainly bears the vertical shearing force of the structure, and the bearing bracket bears the contact point and provides a horizontal counter-force fulcrum for the bracket structure mechanism; because the bracket structure belongs to the triangle structure of choosing outward, whole atress analysis sees that the upper portion shear force key can bear a pulling force towards the pier shaft outside, and tensile undertaking is actually undertaken jointly by the finish rolling screw-thread steel who climbs the awl (can undertake the pulling force), and for the sake of safety, add finish rolling screw-thread steel and can effectively reduce and climb the horizontal withdrawal resistance of awl, the shearing force key is with pier shaft frictional force also can reduce partly climb the awl and shear, and overall structure atress is reasonable.
During construction, the positioning plate is connected with the embedded part, the positioning hole accommodates a bolt to penetrate through the bolt and limits the radial displacement of the bolt so that the bolt can only be screwed in or out along the axial direction, and is finally connected with the climbing cone; then the bearing bracket is connected with the inclined support and the transverse support through the lifting lugs, and the bearing bracket is connected with the inclined support and the transverse support through the pin shaft, so that free rotation is realized, and displacement cannot be generated.
The utility model provides a pair of continuous beam combination formula shear force key constructional device, bearing bracket and adapting unit through the frame-type of rational structure realize being connected of bracket and pier shaft, the bearing bracket passes through the locating plate and conveniently installs in pier shaft surface, thereby guarantee the structural integrity of whole pier shaft, after waiting to use, resurfacing is simple, the after-treatment is swift, guarantee the outward appearance quality of pier shaft, have simple structure, high stability, dismantle more convenient advantage, easy at the field operation, consider the recycle in later stage simultaneously, practice thrift the cost outside the design, can be applicable to the bracket of equidimension model not, the portability is strong.
Claims (10)
1. The utility model provides a continuous beam combination formula shear force key structure device, includes that length is less than the built-in fitting of pre-buried wall body thickness and the bearing bracket of being connected with the built-in fitting, its characterized in that: the built-in fitting includes finish rolling screw-thread steel, finish rolling screw-thread steel's one end and round nut threaded connection, finish rolling screw-thread steel's the other end and climb awl threaded connection, the bearing bracket is including being used for the locating plate of being connected with pre-buried wall body lateral wall, be fixed in the positive last backup pad and the bottom suspension fagging that is parallel to each other of locating plate, and go up the braced frame between backup pad and the bottom suspension fagging, set up a set of locating hole that is used for finish rolling screw-thread steel to pass through on the locating plate, the top surface of going up the backup pad is provided with the otic placode that is used for seting up the mounting hole with a set of bracket connection.
2. The continuous beam composite shear key structure device of claim 1, wherein: go up the backup pad and all adopt the rectangular plate with the bottom suspension fagging, the length and the width of going up the backup pad all are greater than the length and the width of bottom suspension fagging.
3. The continuous beam composite shear key structure device of claim 1, wherein: the support frame comprises a group of support side plates perpendicular to the upper support plate and the positioning plate, adjacent support side plates are connected through a group of internal reinforcement transverse plates parallel to the upper support plate, and one side of each internal reinforcement transverse plate is connected to the surface of the positioning plate.
4. The continuous beam composite shear key structure device of claim 3, wherein: the support side plate comprises a rectangular plate portion and a right-angled trapezoidal plate portion, wherein one long edge of the rectangular plate portion is connected with the positioning plate, and the long bottom surface of the right-angled trapezoidal plate portion is connected with the other long edge of the rectangular plate portion.
5. The continuous beam composite shear key structure device of claim 3, wherein: a group of second reinforcing transverse plates parallel to the upper supporting plate are arranged between the supporting side plates positioned at the two sides and the positioning plate.
6. The continuous beam composite shear key structure device of claim 4, wherein: the side surface of the second reinforced transverse plate is connected with a positioning auxiliary plate, the positioning auxiliary plate is parallel to the positioning plate, and an auxiliary positioning hole consistent with the positioning hole of the positioning plate in position is formed in the positioning auxiliary plate.
7. The continuous beam composite shear key structure device of claim 3, wherein: the positioning holes are uniformly distributed in each unit frame body of the supporting frame.
8. The continuous beam composite shear key structure device of claim 1, wherein: the positioning plate adopts axisymmetric octagonal plates.
9. The continuous beam composite shear key structure device of claim 1, wherein: the mounting hole of the ear plate is provided with a stiffening ring.
10. The continuous beam composite shear key structure device of claim 1, wherein: a group of reinforcing plates vertical to the upper supporting plate are arranged between the ear plates and the upper supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120522681.3U CN215052155U (en) | 2021-03-12 | 2021-03-12 | Continuous beam combined shear connector structure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120522681.3U CN215052155U (en) | 2021-03-12 | 2021-03-12 | Continuous beam combined shear connector structure device |
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| CN215052155U true CN215052155U (en) | 2021-12-07 |
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| CN202120522681.3U Active CN215052155U (en) | 2021-03-12 | 2021-03-12 | Continuous beam combined shear connector structure device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941283A (en) * | 2022-05-31 | 2022-08-26 | 中交路桥建设有限公司 | Bearing bracket |
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2021
- 2021-03-12 CN CN202120522681.3U patent/CN215052155U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941283A (en) * | 2022-05-31 | 2022-08-26 | 中交路桥建设有限公司 | Bearing bracket |
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