CN218292921U

CN218292921U - Beam column node prestressing force reinforcing apparatus

Info

Publication number: CN218292921U
Application number: CN202222410873.2U
Authority: CN
Inventors: 何永利; 褚小嘉; 强贵珍; 李彦强; 刘文博
Original assignee: Baiyin Institute Of Mining And Metallurgy
Current assignee: Baiyin Institute Of Mining And Metallurgy
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-01-13
Anticipated expiration: 2032-09-13

Abstract

The utility model discloses a beam column node prestress reinforcing device, including reinforced concrete column and reinforced concrete beam, reinforced concrete beam bottom is equipped with the bearing board, set up a plurality of connecting holes on the bearing board, the reinforced concrete column is equipped with fixed establishment, fixed establishment includes the fixing base, the fixing base rear side is equipped with the locking block, the locking block is fixedly installed on reinforced concrete column through fixing bolt and fixation nut, the fixing base bottom is fixedly connected with two bearing screw rods, equal threaded connection has bearing nut on two bearing screw rods; the utility model discloses a set up fixed establishment, use fixing bolt and fixation nut to fix the fixing base on reinforced concrete column, tighten bearing nut again and fix the bearing board, rotate again that taut spiral head tightens up the bearing cable wire, keep away from the one end of bearing screw rod to the bearing board and strain the support, improve bearing capacity to can improve the stability of connecting.

Description

Beam column node prestressing force reinforcing apparatus

Technical Field

The utility model relates to a building engineering technical field specifically is a beam column node prestressing force reinforcing apparatus.

Background

In the building engineering, the reinforced concrete beam column node is weak, needs to use the reinforcing apparatus to reinforce it and improve stability, the prestress reinforcement method is a method of reinforcing the structural member or the whole body by using the additional prestress steel pull rod or the section steel brace rod, the characteristic is that the stress is added to a part of the pull rod or the brace rod after the prestressing means forces, the internal force distribution of the original structure is changed and the stress level of the original structure is reduced, so the specific stress strain hysteresis phenomenon in the general reinforced structure can be completely eliminated.

In the prior art, application number CN202122524845.9 discloses a beam-column joint reinforcing structure, which comprises a beam-column joint, wherein the beam-column joint comprises a vertically arranged concrete column and concrete beams horizontally arranged on two sides of the concrete column, and a supporting structure is arranged between the concrete column and the corresponding concrete beam; the supporting structure comprises a supporting part, an upper mounting plate and a lower mounting plate; the supporting part comprises an upper supporting plate, an upper mounting plate is fixed at one end of the upper supporting plate, a first placing groove is formed in the other end of the upper supporting plate, a lower supporting plate is arranged on the first placing groove in a sliding mode, and the lower mounting plate is fixed at one end, far away from the upper supporting plate, of the lower supporting plate; the lower supporting plate is located one end inside the first placing groove is provided with a shaping assembly. The utility model discloses a have easy to assemble, improve the effect of building construction speed, but this reinforced structure only supports between the beam column through last backup pad and bottom suspension fagging, goes up and is in the same place through design subassembly threaded connection between backup pad and the bottom suspension fagging, and joint strength is not enough for the stability of connecting is ideal inadequately.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a beam column node prestressing force reinforcing apparatus to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a beam column node prestress reinforcing device comprises a reinforced concrete column and a reinforced concrete beam, wherein a bearing plate is arranged at the bottom of the reinforced concrete beam, a plurality of connecting holes are formed in the bearing plate, and a fixing mechanism is arranged on the reinforced concrete column;

fixing mechanism includes the fixing base, the fixing base rear side is equipped with the locking piece, the locking piece passes through fixing bolt and fixation nut fixed mounting on reinforced concrete column, two bearing screw rod of fixing base bottom fixedly connected with, two equal threaded connection has bearing nut on the bearing screw rod, two bearing plate top fixed surface are connected with bear the cable wire, bear cable wire tip fixedly connected with straining shaft, the taut worm wheel of taut shaft tip fixedly connected with, the meshing of taut worm wheel one side is connected with taut worm, the taut spiral head of taut worm tip fixedly connected with.

As a further preferred aspect of the present technical solution, the fixing seat and the support plate are respectively disposed on both sides of the top and the bottom of the reinforced concrete beam, and the locking block is slidably connected to the fixing seat through a plurality of sliding blocks.

As a further preferred of the technical scheme, the bearing screw is matched with the connecting hole, and the length of the bearing screw is greater than the thickness of the reinforced concrete beam.

As a further preferred aspect of this technical solution, the tightening shaft is disposed inside the fixing base, and the tightening shaft is rotatably connected to the inner wall of the fixing base.

As a further preferred aspect of the present technical solution, the tightening screw head is rotatably connected to the fixing base, a cross-shaped groove is formed in the tightening screw head, and an end of the tightening screw head penetrates through the fixing base and is communicated with the outside.

As a further preferred of this technical scheme, fixing base and bearing board all include first main part and second main part, one side tip fixedly connected with regulating plate that first main part is close to the second main part, movable groove has been seted up to second main part one end.

As a further preferred of this technical scheme, a plurality of regulation holes have been seted up on the regulating plate, threaded connection has a plurality of adjusting bolt on the second main part, adjusting bolt and regulation hole phase-match.

The utility model provides a beam column node prestressing force reinforcing apparatus possesses following beneficial effect:

(1) The utility model discloses a set up fixed establishment, lean on the fixing base on the reinforced concrete column of reinforced concrete roof beam top, then use fixing bolt and fixation nut to fix the fixing base on reinforced concrete column, tighten up bearing nut again and fix the bearing plate, rotate again taut spiral head and tighten up the bearing cable wire, keep away from the one end of bearing screw to the bearing plate and carry out taut support, improve bearing capacity to can improve the stability of connection.

(2) The utility model discloses a set up first main part and second main part, stimulate first main part and second main part, change the distance between first main part and the second main part, change the whole width of bearing board and fixing base to use adjusting bolt to fix, thereby can adapt to not unidimensional reinforced concrete roof beam and reinforced concrete column, improve the flexibility of using.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an enlarged view of the structure at a in fig. 1 of the present invention;

FIG. 3 is a schematic view of the connection structure of the tightening rotary head and the tightening shaft of the present invention;

fig. 4 is a schematic view of the connection structure of the first main body and the second main body of the present invention;

in the figure: 1. a reinforced concrete column; 2. a reinforced concrete beam; 3. a bearing plate; 4. a fixing mechanism; 5. connecting holes; 6. a first body; 7. a second body; 8. a locking block; 9. fixing the bolt; 10. adjusting the bolt; 11. supporting the screw rod; 12. supporting a nut; 13. a load-bearing wire rope; 14. tensioning the shaft; 15. tightening the worm gear; 16. tensioning the worm; 17. tightening the rotary head; 18. an adjusting plate; 19. an adjustment hole; 20. a movable groove.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

The utility model provides a technical scheme: as shown in fig. 1, in this embodiment, a beam column node prestressing force reinforcing apparatus, including reinforced concrete column 1 and reinforced

concrete beam

2, 2 bottoms of reinforced concrete beam are equipped with bearing board 3, a plurality of connecting holes 5 have been seted up on bearing board 3, be equipped with fixed establishment 4 on reinforced concrete column 1, accessible fixed establishment 4 is in the same place reinforced concrete column 1 and bearing board 3 are connected fixedly, utilizes bearing board 3 to hold reinforced concrete beam 2 from the bottom, improves the bearing capacity of reinforced concrete beam 2, improves the stability of the connected node between reinforced concrete beam 2 and the reinforced concrete column 1 to improve the convenience of assembly.

As shown in fig. 2 and 3, the fixing mechanism 4 includes a fixing base, the fixing base and the supporting plate 3 are respectively disposed on the top and bottom sides of the reinforced concrete beam 2, a locking block 8 is disposed on the rear side of the fixing base, the locking block 8 is slidably connected to the fixing base through a plurality of sliding blocks, and can guide and limit the locking block 8 to prevent the locking block 8 from shaking, the locking block 8 is fixedly mounted on the reinforced concrete beam 1 through a fixing bolt 9 and a fixing nut, two supporting screws 11 are fixedly connected to the bottom of the fixing base, the supporting screws 11 are matched with the connecting holes 5, the length of the supporting screws 11 is greater than the thickness of the reinforced concrete beam 2, so that the supporting plate 3 can be fixed, the two supporting screws 11 are both threadedly connected with supporting nuts 12, and two supporting cables 13 are fixedly connected to the top surface of the supporting plate 3, the end part of the bearing steel cable 13 is fixedly connected with a tensioning shaft 14, the tensioning shaft 14 is arranged in the fixing seat, the tensioning shaft 14 is rotatably connected with the inner wall of the fixing seat, the end part of the tensioning shaft 14 is fixedly connected with a tensioning worm wheel 15, one side of the tensioning worm wheel 15 is engaged and connected with a tensioning worm 16, the self-locking function of the tensioning worm wheel 15 and the tensioning worm 16 can be utilized to prevent the bearing steel cable 13 from loosening, the end part of the tensioning worm 16 is fixedly connected with a tensioning rotary head 17, the tensioning rotary head 17 is rotatably connected with the fixing seat, a cross-shaped groove is formed in the tensioning rotary head 17, the end part of the tensioning rotary head 17 penetrates through the fixing seat and is communicated with the outside, the fixing seat can lean against the reinforced concrete column 1 above the reinforced concrete beam 2, and then the fixing block 8 is fixed by using a fixing bolt 9 and a fixing nut, so that the fixing seat can be fixed on the reinforced concrete column 1, lean on bearing plate 3 again and overlap on bearing screw 11 at 2 bottoms of reinforced concrete roof beam, it fixes bearing plate 3 to screw up bearing nut 12 again, rotate taut spiral head 17 again, taut spiral head 17 rotates and drives taut worm 16 and rotate, taut worm 16 rotates and drives taut worm wheel 15 and rotates, taut worm wheel 15 rotates and drives taut axle 14 and rotates, taut axle 14 rotates and tightens up bearing steel rope 13, keep away from bearing screw 11's one end to bearing plate 3 and carry out taut support, and the bearing capacity is improved, thereby the stability of connection can be improved.

As shown in fig. 2 and 4, fixing base and bearing plate 3 all include first main part 6 and second main part 7, first main part 6 is close to one side tip fixedly connected with regulating plate 18 of second main part 7, activity groove 20 has been seted up to second main part 7 one end, a plurality of regulation holes 19 have been seted up on the regulating plate 18, threaded connection has a plurality of adjusting bolt 10 in the second main part 7, adjusting bolt 10 and regulation hole 19 phase-match can stimulate first main part 6 and second main part 7 respectively according to the actual size of reinforced concrete roof beam 2 and reinforced concrete post 1, change the distance between first main part 6 and the second main part 7, change the whole width of bearing plate 3 and fixing base to use adjusting bolt 10 to fix, thereby can adapt to not unidimensional reinforced concrete roof beam 2 and reinforced concrete post 1, improve the flexibility of using.

The utility model provides a beam column node prestressing force reinforcing apparatus, concrete theory of operation as follows:

in-service use the utility model discloses the time, lean on the fixing base on reinforced concrete column 1 of 2 tops of reinforced concrete roof beam, then use fixing bolt 9 and fixation nut to fix locking piece 8, thereby can fix the fixing base on reinforced concrete column 1, lean on bearing board 3 again at 2 bottom covers of reinforced concrete roof beam on bearing screw 11, tighten up bearing nut 12 again and fix bearing board 3, rotate taut first 17 of revolving again, taut first 17 of revolving rotates and drives taut worm 16 and rotate, taut worm 16 rotates and drives taut worm wheel 15 and rotates, taut worm wheel 15 rotates and drives taut axle 14 and rotate, taut axle 14 rotates and tightens up bearing cable 13, the one end of keeping away from bearing screw 11 to bearing board 3 carries out taut support, and the bearing capacity is improved, thereby the stability of connection can be improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a beam column node prestressing force reinforcing apparatus, includes reinforced concrete post (1) and reinforced concrete roof beam (2), its characterized in that: a bearing plate (3) is arranged at the bottom of the reinforced concrete beam (2), a plurality of connecting holes (5) are formed in the bearing plate (3), and a fixing mechanism (4) is arranged on the reinforced concrete column (1);

fixing mechanism (4) include the fixing base, the fixing base rear side is equipped with locking block (8), locking block (8) are through fixing bolt (9) and fixation nut fixed mounting on reinforced concrete post (1), two bearing screw rod (11) of fixing base bottom fixedly connected with, two equal threaded connection has bearing nut (12) on bearing screw rod (11), two bearing plate (3) top fixed surface are connected with bear cable wire (13), bear cable wire (13) tip fixedly connected with straining shaft (14), straining shaft (14) tip fixedly connected with take-up worm wheel (15), take-up worm wheel (15) one side meshing is connected with taut worm (16), taut worm (16) tip fixedly connected with is taut revolves head (17).

2. The beam-column joint prestress reinforcing device of claim 1, wherein: the fixing seat and the bearing plate (3) are respectively arranged on the top and the bottom of the reinforced concrete beam (2), and the locking block (8) is connected with the fixing seat in a sliding mode through a plurality of sliding blocks.

3. The beam column node prestress reinforcing device of claim 1, wherein: the bearing screw rod (11) is matched with the connecting hole (5), and the length of the bearing screw rod (11) is larger than the thickness of the reinforced concrete beam (2).

4. The beam-column joint prestress reinforcing device of claim 1, wherein: the tensioning shaft (14) is arranged inside the fixing seat, and the tensioning shaft (14) is rotatably connected with the inner wall of the fixing seat.

5. The beam column node prestress reinforcing device of claim 1, wherein: the tensioning rotary head (17) is rotatably connected with the fixed seat, a cross groove is formed in the tensioning rotary head (17), and the end of the tensioning rotary head (17) penetrates through the fixed seat and is communicated with the outside.

6. The beam-column joint prestress reinforcing device of claim 1, wherein: fixing base and bearing board (3) all include first main part (6) and second main part (7), one side tip fixedly connected with regulating plate (18) that first main part (6) are close to second main part (7), activity groove (20) have been seted up to second main part (7) one end.

7. The beam column node prestress reinforcing device of claim 6, wherein: a plurality of adjusting holes (19) are formed in the adjusting plate (18), a plurality of adjusting bolts (10) are connected to the second main body (7) in a threaded mode, and the adjusting bolts (10) are matched with the adjusting holes (19).