CN215671286U - Split bolt embedded part for existing reinforced concrete beam support - Google Patents
Split bolt embedded part for existing reinforced concrete beam support Download PDFInfo
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- CN215671286U CN215671286U CN202122165202.XU CN202122165202U CN215671286U CN 215671286 U CN215671286 U CN 215671286U CN 202122165202 U CN202122165202 U CN 202122165202U CN 215671286 U CN215671286 U CN 215671286U
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- beam body
- reinforced concrete
- side wall
- split bolt
- existing reinforced
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Abstract
The utility model discloses a split bolt embedded part for supporting an existing reinforced concrete beam, which comprises an upper embedded plate and a lower embedded plate attached to the upper wall and the lower wall of a beam body, wherein the upper embedded plate and the lower embedded plate are fixedly connected through a plurality of split screws arranged in parallel relatively, shear steel plates are attached to the left side wall and the right side wall of the beam body, the shear steel plates are fixedly connected with the edge of the lower embedded plate, and the shear steel plates are fixedly connected with the beam body through anchor bolts. This built-in fitting obtains strengthening to the bearing capacity of level to the reinforcing is stronger to the support intensity of steel-concrete beam, sets up the suitability of steel construction bracing to steel-concrete beam bottom.
Description
Technical Field
The utility model belongs to the technical field of embedded parts, and particularly relates to a split bolt embedded part for supporting an existing reinforced concrete beam.
Background
In the actual reinforcement and reconstruction project, a split bolt embedded part is often used. The principle of the embedded part is that an upper embedded plate and a lower embedded plate are connected with a beam through a split bolt. Because of the reason of construction precision, the vertical straightness that hangs down of split bolt often deviates greatly, and the restraint of pre-buried board in the horizontal direction is not enough down, however when concrete beam's intensity was not enough, often can reduce concrete beam's span through setting up lower part bearing diagonal, and the bearing diagonal can be passed to the great horizontal force of pre-buried board down, must take extra design measure.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a split bolt embedded part for an existing reinforced concrete beam support, which is put into use to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an existing reinforced concrete roof beam is with split bolt built-in fitting, includes attached last built-in board and the lower built-in board on the roof beam body upper and lower wall, and goes up through many relative parallel arrangement's split screw fixed connection between built-in board and the lower built-in board, the wall facing of the left and right sides of the roof beam body has shear steel sheet, shear steel sheet and the border fixed connection of lower built-in board, and shear steel sheet passes through crab-bolt and roof beam body fixed connection. After the shear steel plates on the side wall of the beam body are fixed with the beam body through anchor bolts, the provided stable force strengthens the relatively fixed strength between the lower embedded plate and the beam body, so that the bearing force of the reinforcing device in the horizontal direction is strengthened.
Preferably, waist hole has vertically been seted up on the steel sheet that shears, the crab-bolt inserts waist hole and roof beam body fixed.
Preferably, the left side wall and the right side wall of the upper part of the beam body are fixedly provided with filling steel plates through expansion bolts, and the thickness of each filling steel plate is consistent with that of the shear steel plate. When the thickness of the concrete beam is thin, the positioning of the fasteners on the two sides can be staggered in order to avoid the mutual interference of the bolts or anchor bolts on the two sides.
Preferably, the rod part of the counter-pull screw rod is provided with a curved part, the inner side of the curved part is penetrated and provided with a pressing cross rod, two ends of the pressing cross rod are respectively welded and fixed with a fixing nut, a threaded hole of the fixing nut vertically faces the side wall of the beam body, and the inner side of the fixing nut is in threaded connection with a compression bolt and the end part of the compression bolt presses the side wall of the beam body.
Preferably, the pressing cross rod is connected with a plurality of groups of movable nuts in a threaded manner, each group comprises two movable nuts, and the curved part of the opposite-pulling screw rod is pressed between the movable nuts and the curved part of the opposite-pulling screw rod.
Preferably, the side wall of the curved portion contacting the movable nut is provided as a flat surface.
The utility model has the technical effects and advantages that: the split bolt embedded part for the existing reinforced concrete beam support,
1. through setting up shear steel sheet and passing through fixed connection between crab-bolt and the roof beam body, simultaneously because under the pre-buried board with shear steel sheet border between welded fastening to reinforcing under the pre-buried board and the roof beam body between relatively fixed's intensity and stability, reinforcing the bearing capacity on its horizontal direction, the suitability is stronger.
2. After the installation of accomplishing upper and lower built-in panel and shear steel sheet, will support and press the horizontal pole and insert bent portion, then through rotating compression bolt, make its tip support and press the roof beam body lateral wall, at first support and press the horizontal pole to promote through reaction force and take place slight deformation to drawing the screw rod to the pressure between the built-in panel and the roof beam body at pulling both ends holds the power increase, thereby the anti horizontal force of preliminary reinforcing.
3. Through the centre gripping of activity nut to bent portion, realize supporting the fixed connection between pressing horizontal pole and the counter-pull screw rod, through supporting between housing bolt tip and the roof beam body and pressing and certain degree insert the roof beam body in, the horizontal bearing capacity of further intensive whole built-in fitting, support intensity is better, and the suitability is stronger.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the connection structure of the tie rod and the pressing cross rod according to the present invention.
In the figure: 1. an upper embedded plate; 2. a lower embedded plate; 3. oppositely pulling the screw rod; 5. shear resistant steel plates; 6. a beam body; 7. a waist hole; 8. an anchor bolt; 9. an expansion bolt; 10. filling a steel plate; 11. A curved portion; 12. pressing the cross rod; 13. fixing a nut; 14. a hold-down bolt; 15. a movable nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides a split bolt embedded part for an existing reinforced concrete beam as shown in figures 1-3, which comprises an upper embedded plate 1 and a lower embedded plate 2 attached to the upper wall and the lower wall of a beam body 6, wherein the upper embedded plate 1 and the lower embedded plate 2 are fixedly connected through a plurality of split screw rods 3 arranged in parallel relatively, shear steel plates 5 are attached to the left side wall and the right side wall of the beam body 6, the shear steel plates 5 are fixedly connected with the edges of the lower embedded plate 2, and the shear steel plates 5 are fixedly connected with the beam body 6 through anchor bolts 8. When in actual use, with last built-in board 1 and lower built-in board 2 attached respectively to the last downside of roof beam body 6, through interlude to drawing screw rod 3, with two built-in boards and roof beam body 6 between relatively fixed connection, through the centre gripping of built-in board, consolidate roof beam body 6, then through the shearing steel sheet 5 on the roof beam body 6 lateral wall and the roof beam body 6 between through the fixed back of crab-bolt 8, the relatively fixed intensity between built-in board 2 and the roof beam body 6 is strengthened down to the firm power that provides, thereby strengthen the bearing capacity on its horizontal direction.
And filling steel plates 10 are fixedly arranged on the left side wall and the right side wall of the upper part of the beam body 6 through expansion bolts 9, and the thickness of each filling steel plate 10 is consistent with that of the shear steel plate 5. The supporting strength is further ensured by adding the filled steel plate 10 to support the upper part of the beam.
The rod part of the counter-pulling screw rod 3 is provided with a curved part 11, a pressing cross rod 12 penetrates through the inner side of the curved part 11, fixing nuts 13 are welded and fixed at two ends of the pressing cross rod 12, threaded holes of the fixing nuts 13 vertically face the side wall of the beam body 6, and the inner side of each fixing nut 13 is in threaded connection with a compression bolt 14 and the end part of the compression bolt 14 abuts against the side wall of the beam body 6. After the installation of the upper and lower embedded plates 2 and the shear steel plates 5 is completed, the abutting cross rod 12 is inserted into the bent part 11, then the end part of the abutting cross rod abuts against the side wall of the beam body 6 by rotating the compression bolt 14, the abutting cross rod 12 pushes the opposite-pulling screw rod 3 to slightly deform through the reaction force, and therefore the pressing force between the embedded plates at the two ends and the beam body 6 is increased, and the horizontal force is preliminarily enhanced.
The pressing cross rod 12 is in threaded connection with a plurality of groups of movable nuts 15, each group comprises two movable nuts, and the bent part 11 of the opposite-pulling screw rod 3 is pressed between the movable nuts 15. Through the centre gripping of activity nut 15 to bent portion 11, realize holding against the fixed connection between horizontal pole 12 and the split screw 3, through holding down bolt 14 tip and roof beam body 6 between holding down press and certain degree insert in the roof beam body 6, the horizontal bearing capacity of whole built-in fitting of further reinforcing, support intensity is better, and the suitability is stronger.
The side wall of the curved portion 11 in contact with the movable nut 15 is provided as a flat surface. Through setting up the plane, guarantee that movable nut 15 is stronger to the stability of bent portion 11 centre gripping, guarantee to support the joint strength who presses horizontal pole 12 and split screw 3 between.
Claims (6)
1. The utility model provides a split bolt built-in fitting that is used for existing reinforced concrete roof beam to support which characterized in that: including attached in the last pre-buried board (1) and the lower pre-buried board (2) on the wall about roof beam body (6), and go up between pre-buried board (1) and the lower pre-buried board (2) through many relative parallel arrangement to drawing screw rod (3) fixed connection, it has shear steel sheet (5) to paste on the wall of the left and right sides of roof beam body (6), the border fixed connection of shear steel sheet (5) and lower pre-buried board (2), and shear steel sheet (5) pass through crab-bolt (8) and roof beam body (6) fixed connection.
2. A split bolt embedment for an existing reinforced concrete beam support as claimed in claim 1, wherein: waist hole (7) have vertically been seted up on shear steel sheet (5), crab-bolt (8) insert waist hole (7) and are fixed with roof beam body (6).
3. A split bolt embedment for an existing reinforced concrete beam support as claimed in claim 1, wherein: and filling steel plates (10) are fixedly arranged on the left side wall and the right side wall of the upper part of the beam body (6) through expansion bolts (9), and the thickness of each filling steel plate (10) is consistent with that of the shear steel plate (5).
4. A split bolt embedment for an existing reinforced concrete beam support as claimed in claim 1, wherein: the pull rod comprises a pull rod body (3) and is characterized in that a bent portion (11) is arranged at the rod portion of the pull rod body (3), a pressing cross rod (12) penetrates through the inner side of the bent portion (11), fixing nuts (13) are fixedly welded at two ends of the pressing cross rod (12), threaded holes of the fixing nuts (13) vertically face the side wall of the beam body (6), and the inner side of the fixing nuts (13) is in threaded connection with compression bolts (14) and the end portions of the compression bolts (14) are pressed against the side wall of the beam body (6).
5. A split bolt insert for an existing reinforced concrete beam support according to claim 4, wherein: the pressing cross rod (12) is connected with a plurality of groups of movable nuts (15) in a threaded manner, each group is two, and the bent part (11) of the counter-pulling screw rod (3) is pressed between the movable nuts (15).
6. The split bolt embedment of claim 5, wherein: the side wall of the curved part (11) contacted with the movable nut (15) is set to be a plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122165202.XU CN215671286U (en) | 2021-09-08 | 2021-09-08 | Split bolt embedded part for existing reinforced concrete beam support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122165202.XU CN215671286U (en) | 2021-09-08 | 2021-09-08 | Split bolt embedded part for existing reinforced concrete beam support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215671286U true CN215671286U (en) | 2022-01-28 |
Family
ID=79961445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122165202.XU Active CN215671286U (en) | 2021-09-08 | 2021-09-08 | Split bolt embedded part for existing reinforced concrete beam support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215671286U (en) |
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2021
- 2021-09-08 CN CN202122165202.XU patent/CN215671286U/en active Active
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