CN207960002U - A kind of steel steering block for girder steel external prestressing strengthening - Google Patents
A kind of steel steering block for girder steel external prestressing strengthening Download PDFInfo
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- CN207960002U CN207960002U CN201820008931.XU CN201820008931U CN207960002U CN 207960002 U CN207960002 U CN 207960002U CN 201820008931 U CN201820008931 U CN 201820008931U CN 207960002 U CN207960002 U CN 207960002U
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- steel
- steering block
- level board
- round steel
- wing
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Abstract
The utility model discloses a kind of steel steering blocks for girder steel external prestressing strengthening, are connected on the edge of a wing of girder steel, and the steel steering block includes main body tumbler, left clamp and right clamping plate；The main body tumbler includes level board, is welded under the level board riser and the mounting bracket for being welded on the riser lower end；The top surface of the level board is connected on the bottom surface on the edge of a wing, and the left clamp is arranged on the left side top surface on the edge of a wing, and the right clamping plate is arranged on the right side top surface on the edge of a wing；It is fixed with left round steel between the horizontal plate top surface and the left clamp, right round steel is fixed between the horizontal plate top surface and the right clamping plate；Fagging and rear stay plate before the front and rear sides of the riser are welded with.The steel steering block overcomes various problems caused by girder steel welding steering block in the prior art；And it is easy for installation, it can promote the external prestressing strengthening effect of girder steel with girder steel firm connection, improve the bearing capacity of girder steel.
Description
Technical field
The utility model is related to Structures Reinforced Technique fields, more particularly to one kind being used for girder steel external prestressing strengthening
Steel steering block.
Background technology
With the constantly improve of external prestressing technique, external prestressing technique is just being got in building structure strengthening field
It is more widely applied, external prestressing technique is that the reverse bending moment generated by prestressing force balances what a part of external load generated
Moment of flexure, not only reduces the maximum tension stress of big beam section tight side edge, while also reducing the maximum pressure at section compression edge
Stress improves the bearing capacity of beam.
Steering block is very important device when being reinforced using external prestressing technique, existing to girder steel body
When External prestressed is reinforced, steering block is typically welded on the girder steel of stress deformation, this method has a defect that：To
When girder steel welding under stress, the local pressure of girder steel can be made to change and unstability, lead to the safety of its partial structurtes
Property reduce；Influence of the stress variation of load condition lower girder steel to weld strength must be assessed, and weldering is determined according to assessment result
Connect technique.In view of the foregoing drawbacks, the prior art use method be by after girder steel off-load again in its surface soldered steering block, so
And this method needs to install off-load support element in building, occupied space is big, is seriously affected during welding steering block in building
Normal production；Welding can also not cause on fire in building at that time.
Utility model content
The utility model mainly solving the technical problems that provide it is a kind of overcome drawbacks described above in the prior art be used for steel
The steel steering block of beam external prestressing strengthening.
In order to solve the above technical problems, the technical solution adopted in the utility model is：It provides a kind of pre- in vitro for girder steel
The steel steering block that stress is reinforced, is connected on the edge of a wing of girder steel, the steel steering block packet for girder steel external prestressing strengthening
Include main body tumbler, left clamp and right clamping plate；
The riser and be welded under the riser that the main body tumbler includes level board, is welded under the level board
The mounting bracket at end；
The top surface of the level board is connected on the bottom surface on the edge of a wing, and the left side on the edge of a wing is arranged in the left clamp
Be bolted by a left side on top surface and with the level board, the right clamping plate be arranged on the right side top surface on the edge of a wing and with institute
Level board is stated to be bolted by the right side；
Left round steel is fixed between the horizontal plate top surface and the left clamp, the left round steel is arranged in the left spiral shell
The left side of bolt, is fixed with right round steel between the horizontal plate top surface and the right clamping plate, and the right round steel is arranged on the right side
The right side of bolt；
Fagging and rear stay plate before the front and rear sides of the riser are welded with.
Preferably, the horizontal plate top surface and the edge of a wing underrun structure gluing knot.
Preferably, the level board, riser, preceding fagging, rear stay plate, left splint, right splint are thickness not less than 16mm's
Steel plate.
Preferably, the left round steel, right round steel are welded on the level board.
Preferably, the left round steel and described left bolt spacings a certain distance, between the right round steel and the right bolt
Every a certain distance.
Preferably, the left round steel is fixed on the left end of the level board, and the right round steel is fixed on the level board
Right end.
Preferably, the left round steel, right round steel diameter be set as 1.1~1.3 times of the edge of a wing thickness.
Preferably, a diameter of 16~25mm of the left round steel, right round steel.
Preferably, the riser, preceding fagging, rear stay plate are inverted trapezoidal steel plate.
Preferably, the preceding fagging, rear stay plate upper end be welded on the level board.
The utility model has the beneficial effects that：Steel provided by the utility model for girder steel external prestressing strengthening turns
It to block, need not be welded and fixed on girder steel, overcome various problems caused by girder steel welding steering block in the prior art；And
The steel steering block is easy for installation, steering block can be effectively prevent to generate sliding under stress, promoted with girder steel firm connection
The external prestressing strengthening effect of girder steel, improves the bearing capacity of girder steel.
Description of the drawings
Fig. 1 is the structural schematic diagram of steel steering block in one preferred embodiment of the utility model；
Fig. 2 is the left view of Fig. 1.
The label of each component is as follows in attached drawing：11- level boards；12- risers；13- mounting brackets；Fagging before 14-；15- back braces
Plate；21- left clamps；The right clamping plates of 22-；The left bolts of 31-；The right bolts of 32-；The left round steel of 41-；The right round steel of 42-；50- structure glues；100-
Girder steel；The edges of a wing 101-；102- webs；200- steel strand wires.
Specific implementation mode
The preferred embodiment of the utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear to be made to the scope of protection of the utility model
Define.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand
For limitations of the present invention.In the description of the present invention, it should be noted that unless otherwise specific regulation and limit
Fixed, term " installation ", " connected ", " connection " shall be understood in a broad sense, and can also be detachably to connect for example, it may be being fixedly connected
It connects, or is integrally connected；It can be directly connected, can also can be indirectly connected through an intermediary inside two elements
Connection.For the ordinary skill in the art, above-mentioned term can be understood in the utility model by concrete condition
In concrete meaning.
- Fig. 2 is please referred to Fig.1, Fig. 1 is the structural schematic diagram of steel steering block in the present embodiment, and Fig. 2 is the left view of Fig. 1, this
Embodiment provides a kind of steel steering block for girder steel external prestressing strengthening, is connected on the edge of a wing 101 of girder steel 100, branch
The external prestressing strengthening steel strand wires 200 of support and fixed girder steel 100.
The steel steering block includes main body tumbler, left clamp 21 and right clamping plate 22, and the main body tumbler is fixedly connected
On the bottom surface on the edge of a wing 101, the left clamp 21, right clamping plate 22 be set on the top surface on the edge of a wing 101 and with it is described
Main body tumbler is fastenedly connected, and is made in the steel steering block firm connection to girder steel 100, is effectively prevent steering block in stress
Lower generation sliding, promotes the external prestressing strengthening effect of girder steel 100, and then improve the bearing capacity of girder steel 100.
The riser 12 and be welded on described that the main body tumbler includes level board 11, is welded under the level board 11
The top surface of the mounting bracket 13 of 12 lower end of riser, the level board 11 is connected on the bottom surface on the edge of a wing 101, described to answer in advance in vitro
Power is reinforced steel strand wires 200 and is fixed on the mounting bracket 13.In the present embodiment, the mounting bracket 13 by diameter 20mm circle
Steel is bent.The end of the external prestressing strengthening steel strand wires 200 carries out installation fixation after passing through the mounting bracket 13, leads to
Crossing pretension makes girder steel 100 reduce moment of flexure, to increase the bearing capacity of girder steel 100, wherein the external prestressing strengthening steel twists
The end of line 200 can carry out installation fixation by fixture or anchorage.
In the present embodiment, the top surface of the level board 11 and the underrun structure glue 50 on the edge of a wing 101 bond, structure
Gluing knotting strength is high, can bear compared with big load, ageing-resistant, endurance, corrosion-resistant, performance is stablized in life expectancy, improves
Adhesion strength between the level board 11 and the edge of a wing 101, make the main body tumbler securely, stablize be connected to it is described
On girder steel 100.
12 upper end of the riser is welded on 11 bottom surface of the level board, and the riser 12 is arranged before the level board 11
The middle position of rear direction, the left and right directions along the level board 11 extend；Before the front and rear sides of the riser 12 are welded with
Fagging 14 and rear stay plate 15, the preceding fagging 14, rear stay plate 15 are welded on the level board 11, specifically, the preceding fagging
14 and 15 upper end of rear stay plate be welded on 11 bottom surface of the level board, the preceding fagging 14 and rear stay plate 15 are arranged in the level
The middle position of 11 left and right directions of plate, the front-rear direction along the level board 11 extends, and the preceding fagging 14 and rear stay plate 15
It is symmetrical before and after line centered on the riser 12.
Herein, described " left and right directions of level board 11 " refers to the left and right directions in Fig. 1 schematic diagrames；" the level board 11
Front-rear direction " refer to direction vertical with paper in Fig. 1 schematic diagrames, wherein " preceding " refers to the side by being directed toward in paper outside paper
To " rear " refers to the direction by being directed toward outside paper in paper in Fig. 1 schematic diagrames.
In the present embodiment, the riser 12, preceding fagging 14, rear stay plate 15 are inverted trapezoidal steel plate, are connected to the level board
The inclined support structure on the four direction all around of level board 11 is formed on 11 bottom surfaces, can effectively increase the main body tumbler
Rigidity, to improve the stability of the steel steering block；Further, the level board 11, riser 12, preceding fagging 14,
Rear stay plate 15 is the steel plate that thickness is not less than 16mm, the preferably steel plate of thickness 16mm.
The left clamp 21 is arranged on the left side top surface on the edge of a wing 101 and passes through left bolt 31 with the level board 11
Connection, the left part on the edge of a wing 101 is gripped, the right clamping plate 22 is arranged in the right side top surface on the edge of a wing 101
It above and with the level board 11 is connect by right bolt 32, the right part on the edge of a wing 101 is gripped；In the level
Left round steel 41 is fixed between 11 top surface of plate and the left clamp 21, the left round steel 41 is arranged on a left side for the left bolt 31
Side, is fixed with right round steel 42 between 11 top surface of the level board and the right clamping plate 22, and the right round steel 42 is arranged described
The right side of right bolt 32.Wherein, the left bolt 31 and right bolt 32, the left round steel 41 and right round steel 42 are with the girder steel
Line is symmetrical centered on 100 web 102；The left round steel 41, right round steel 42 prolong along the front-rear direction of the level board 11
It stretches.In the present embodiment, the left round steel 41, right round steel 42 are weldingly fixed on the level board 11.
Preferably, the left bolt 31 is arranged in the middle position of 21 left and right directions of the left clamp, the right bolt 32
It is arranged in the middle position of 22 left and right directions of right clamping plate；The left round steel 41 and the left bolt 31 be spaced it is certain away from
From the right round steel 42 is spaced a distance with the right bolt 32, and the diameter setting of the left round steel 41, right round steel 42
It it is 1.1~1.3 times of 101 thickness of the edge of a wing, to reserve the tightening space of the left bolt 31 and right bolt 32, it is ensured that described
Main body tumbler is securely connect with the left clamp 21, right clamping plate 22, increases being completely embedded for the steel steering block and girder steel 100
Degree.Specifically, when tightening the left bolt 31, the middle part concave deformation of the left clamp 21, i.e., along the level board 11
Left and right directions, the left clamp 21 is by arc-shaped under two lateral middle concaves, pushing of the enhancing to 101 left part of the edge of a wing
Power；When tightening the right bolt 32, the middle part concave deformation of the right clamping plate 22, i.e., along the right and left of the level board 11
To the right clamping plate 22 is by arc-shaped under two lateral middle concaves, lower pressure of the enhancing to 101 right part of the edge of a wing.It is preferred that
, the left round steel 41 is fixed on the left end of the level board 11, and the right round steel 42 is fixed on the level board 11 most
Right end provides enough tightening spaces, it is ensured that the left clamp 21, right clamping plate 22 and institute for the left bolt 31 and right bolt 32
State main body tumbler by the edge of a wing 101 securely be clamped, make the steel steering block securely, stablize be connected to the girder steel 100
On, it provides for the external prestressing strengthening steel strand wires 200 and reliably fixes and supports.
In the present embodiment, the left bolt 31 is arranged at intervals with two along the front-rear direction of the level board 11, equally, institute
It states right bolt 32 and is arranged at intervals with two along the front-rear direction of the level board 11, to further increase the left clamp 21, the right side
Clamping plate 22, main body tumbler are to the chucking power on the edge of a wing 101.
In the present embodiment, the left round steel 41, right round steel 42 a diameter of 16~25mm, it is preferred that the left round steel 41,
A diameter of 20mm of right round steel 42.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are equally included in the patent within the scope of the utility model.
Claims (10)
1. a kind of steel steering block for girder steel external prestressing strengthening is connected on the edge of a wing of girder steel, which is characterized in that including
Main body tumbler, left clamp and right clamping plate；
The riser and be welded on the riser lower end that the main body tumbler includes level board, is welded under the level board
Mounting bracket；
The top surface of the level board is connected on the bottom surface on the edge of a wing, and the left clamp is arranged in the left side top surface on the edge of a wing
It is upper and be bolted by a left side with the level board, the right clamping plate be arranged on the right side top surface on the edge of a wing and with the water
Tablet is bolted by the right side；
Left round steel is fixed between the horizontal plate top surface and the left clamp, the left round steel is arranged in the left bolt
Left side, is fixed with right round steel between the horizontal plate top surface and the right clamping plate, and the right round steel is arranged in the right bolt
Right side；
Fagging and rear stay plate before the front and rear sides of the riser are welded with.
2. steel steering block according to claim 1, which is characterized in that the horizontal plate top surface and the edge of a wing underrun
Structure gluing knot.
3. steel steering block according to claim 1, which is characterized in that the level board, riser, preceding fagging, rear stay plate, a left side
Clamping plate, right clamping plate are the steel plate that thickness is not less than 16mm.
4. steel steering block according to claim 1, which is characterized in that the left round steel, right round steel are welded on the level
On plate.
5. steel steering block according to claim 1, which is characterized in that the left round steel and the left bolt spacings are certain
Distance, the right round steel and described right bolt spacings a certain distance.
6. steel steering block according to claim 5, which is characterized in that the left round steel is fixed on the most left of the level board
End, the right round steel are fixed on the right end of the level board.
7. steel steering block according to claim 1, which is characterized in that the left round steel, right round steel diameter be set as institute
State edge of a wing thickness 1.1~1.3 times.
8. steel steering block according to claim 1, which is characterized in that the left round steel, right round steel a diameter of 16~
25mm。
9. steel steering block according to claim 1, which is characterized in that the riser, preceding fagging, rear stay plate are inverted trapezoidal steel
Plate.
10. steel steering block according to claim 1, which is characterized in that the preceding fagging, rear stay plate upper end be welded on institute
It states on level board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820008931.XU CN207960002U (en) | 2018-01-03 | 2018-01-03 | A kind of steel steering block for girder steel external prestressing strengthening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820008931.XU CN207960002U (en) | 2018-01-03 | 2018-01-03 | A kind of steel steering block for girder steel external prestressing strengthening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207960002U true CN207960002U (en) | 2018-10-12 |
Family
ID=63730072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820008931.XU Expired - Fee Related CN207960002U (en) | 2018-01-03 | 2018-01-03 | A kind of steel steering block for girder steel external prestressing strengthening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207960002U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469346A (en) * | 2018-10-30 | 2019-03-15 | 河北省建筑科学研究院 | A kind of sickle end anchor applied to assembled external prestressing |
| CN109797984A (en) * | 2019-03-22 | 2019-05-24 | 东南大学 | A kind of multi-purpose transfer of the external prestressing steels of variable curvature |
| CN115680314A (en) * | 2022-11-08 | 2023-02-03 | 中建八局第二建设有限公司 | Steel beam external prestressed tendon reinforced steering block and reinforcing method |
-
2018
- 2018-01-03 CN CN201820008931.XU patent/CN207960002U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469346A (en) * | 2018-10-30 | 2019-03-15 | 河北省建筑科学研究院 | A kind of sickle end anchor applied to assembled external prestressing |
| CN109797984A (en) * | 2019-03-22 | 2019-05-24 | 东南大学 | A kind of multi-purpose transfer of the external prestressing steels of variable curvature |
| CN115680314A (en) * | 2022-11-08 | 2023-02-03 | 中建八局第二建设有限公司 | Steel beam external prestressed tendon reinforced steering block and reinforcing method |
| CN115680314B (en) * | 2022-11-08 | 2024-06-04 | 中建八局第二建设有限公司 | Steel beam external prestress rib reinforcing steering block and reinforcing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 Termination date: 20190103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |