CN215518421U

CN215518421U - Prepressing reaction frame of hanging basket

Info

Publication number: CN215518421U
Application number: CN202122086071.6U
Authority: CN
Inventors: 梁朝晖; 胡振兴; 李小东; 黎阳; 成东; 连宏源
Original assignee: CCCC Infrastructure Maintenance Group Co Ltd
Current assignee: CCCC Infrastructure Maintenance Group Co Ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-01-14
Anticipated expiration: 2031-08-31

Abstract

The utility model discloses a hanging basket prepressing reaction frame which comprises an inclined beam and a cross beam, wherein the cross beam is horizontally arranged, the cross beam and the inclined beam are both connected with the side wall of a No. 0 web plate, the inclined beam and the cross beam are both positioned above a bottom template, a jack is arranged between the cross beam and the bottom template, one end of the inclined beam is connected with the upper surface of the cross beam, and the other end of the inclined beam is connected with the No. 0 web plate. This application makes the pressure that the jack produced produce the pre-compaction load to the die block board through setting up the reaction frame to on transmitting the effort to hanging basket suspender and hanging the basket, thereby reach the purpose to hanging the basket pre-compaction.

Description

Prepressing reaction frame of hanging basket

Technical Field

The utility model relates to the field of construction equipment, in particular to a cradle prepressing reaction frame.

Background

At present, prestressed concrete structures are mostly adopted in construction of large and medium span bridges, the beam sections of the prestressed concrete structures are generally of single-box single-chamber or single-box multi-chamber structures, cantilever cast-in-place construction is easy to carry out through hanging baskets, and the cantilever cast-in-place construction method has the characteristics of large span, simplicity in construction, short construction period and the like.

In order to test whether the quality of the hanging basket meets the design requirements or not, a weak link is searched for so as to be reinforced, the inelastic deformation of the hanging basket structure is eliminated, and the hanging basket is generally required to be subjected to a prepressing experiment under the design load. In the related art, as shown in fig. 1, a sand bag stacking mode is adopted to perform a pre-pressing experiment on a hanging basket 22, that is, a bottom template 4 is hung below the hanging basket 22 through a hanging basket hanging strip 21, then sand bags are stacked on the bottom template 4 to perform pre-pressing load on the hanging basket 22, the maximum load is difficult to achieve through sand bag pre-pressing, and the stacking height is too high, so that a potential safety hazard exists.

Aiming at the related technologies, the inventor thinks that the defect is that the related technologies adopt a sandbag stacking mode to carry out prepressing experiments on the hanging basket, and the maximum load is difficult to achieve.

SUMMERY OF THE UTILITY MODEL

When adopting the mode that the sand bag piles up to hanging the basket and carry out the pre-compaction in order to improve, be difficult to reach the problem of biggest load, this application provides a hang basket pre-compaction reaction frame.

The application provides a hang basket pre-compaction reaction frame adopts following technical scheme:

the utility model provides a hang basket pre-compaction reaction frame, includes sloping and crossbeam, the crossbeam level sets up, crossbeam and sloping all are connected with the lateral wall of No. 0 piece web, sloping and crossbeam all are located the top of die block board, be provided with the jack between crossbeam and the die block board, the upper surface connection of sloping one end and crossbeam, the sloping other end is connected with No. 0 piece web.

Through adopting above-mentioned technical scheme, the jack during operation produces the pre-compaction load to the die block board to on transmitting the effort to hanging the basket suspender and hanging the basket, thereby the simulation is hung the basket and is pouring the actual stress state of in-process, in order to reach the purpose to hanging the basket pre-compaction.

Optionally, a reinforcing beam is arranged on the upper surface of the cross beam, one end of the reinforcing beam is fixedly connected with the upper surface of the cross beam, and the other end of the reinforcing beam is fixedly connected with the lower surface of the oblique beam.

Through adopting above-mentioned technical scheme, the setting up of stiffening beam has strengthened the intensity of reaction frame, makes the reaction frame be difficult to take place deformation, makes the transmission of load more accurate.

Optionally, the oblique beam is an i-steel, and the oblique beam is provided with a plurality of positioning holes.

Through adopting above-mentioned technical scheme, after installing a plurality of reaction frame on the bridge, pass the locating hole on the reaction frame with the fixed copper wire on the spacing roof beam in the external world, make the reaction frame all pass through the locating hole location with external spacing roof beam to link together a plurality of reaction frame on the bridge, make every jack during operation, improve the wholeness of a plurality of sets of reaction frame.

Optionally, the lower surface of the cross beam is provided with a positioning groove for the output end of the jack to penetrate.

Through adopting above-mentioned technical scheme, open the constant head tank in the bottom of every reaction frame in advance, then fix a plurality of reaction frame at the lateral wall of No. 0 piece web, then put into the space of reserving between crossbeam and the die block board with the jack, the setting up of constant head tank is convenient to a plurality of jack location, makes the atress of hanging the basket more even.

Optionally, the crossbeam is connected through first mounting with No. 0 piece web, the sloping passes through the second mounting with No. 0 piece web and is connected, first mounting is including fixed first slider that sets up on the crossbeam and the fixed first slide rail that sets up at No. 0 piece web lateral wall, first slide rail level sets up, first slider sets up the logical groove with first slide rail looks adaptation, the second mounting is including setting up the second slider on the sloping and setting up the second slide rail at No. 0 piece web lateral wall, second slide rail level sets up, the logical groove with second slide rail looks adaptation is seted up to the second slider.

Through adopting above-mentioned technical scheme, install first slider on first slide rail to install the second slider on the second slide rail, thereby fix a position the position of the vertical direction installation of reaction frame, thereby the mounted position of slip first slider and second slider adjustment reaction frame horizontal direction has the beneficial effect of conveniently adjusting reaction frame horizontal direction mounted position.

Optionally, the first slide rail includes a first rail body and a first stopper for limiting the first slider, the first rail body is horizontally disposed, the first stopper includes two first stoppers, one of the first stoppers is located above the first rail body, the other first stopper is located at the bottom of the first rail body, the second slide rail includes a second rail body and a second stopper for limiting the second slider, the second rail body is horizontally disposed, the second stopper includes two second stoppers, one of the second stoppers is located above the second rail body, and the other second stopper is located at the bottom of the second rail body.

Through adopting above-mentioned technical scheme, first stopper and second stopper are further spacing to first slider and second slider for first slider and second slider are at gliding in-process, and the reaction frame is difficult to drop.

Optionally, the first slider and the second slider are provided with a plurality of rivets, the first slider and the No. 0 block web are fixed through the rivets, and the second slider and the No. 0 block web are fixed through the rivets.

Through adopting above-mentioned technical scheme, when first slider and the second slider of slip, after confirming the mounted position of reaction frame, through the relative position of fix with rivet reaction frame and No. 0 piece web, after having installed a plurality of reaction frame, concentrate again and weld each reaction frame and No. 0 piece web, have the beneficial effect of conveniently welding reaction frame.

Optionally, a vertical beam is arranged between the cross beam and the oblique beam, one end of the vertical beam is fixedly connected with the upper surface of the cross beam, and the other end of the vertical beam is fixedly connected with the lower surface of the oblique beam.

Through adopting above-mentioned technical scheme, the intensity of reaction frame has further been improved in setting up of perpendicular roof beam, makes the difficult emergence deformation of reaction frame.

In summary, the present application includes at least one of the following benefits:

the jack during operation produces the pre-compaction load to the die block board to on transmitting the effort to hanging basket suspender and hanging the basket, thereby the simulation is hung the basket and is being pour the actual stress state of in-process, in order to reach the purpose to hanging the basket pre-compaction.

Drawings

Fig. 1 is a perspective view of a cradle preloading manner in the related art.

Fig. 2 is a perspective view of a cradle prepressing reaction frame in the embodiment of the present application.

Fig. 3 is a perspective view of a cradle prepressing reaction frame in the embodiment of the present application.

Fig. 4 is a perspective view of a cradle prepressing reaction frame in the embodiment of the present application.

Description of reference numerals: 1. an oblique beam; 2. a cross beam; 3. a number 0 block web; 4. a bottom template; 5. a reinforcing beam; 6. positioning holes; 7. positioning a groove; 8. a first fixing member; 9. a second fixing member; 10. a first slider; 11. a first slide rail; 12. a second slider; 13. a second slide rail; 14. a first rail body; 15. a first stopper; 16. a second rail body; 17. a second limiting block; 18. riveting; 19. erecting a beam; 20. a jack; 21. hanging basket hanging belts; 22. hanging a basket; 23. and a limiting beam.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a hang basket pre-compaction reaction frame. Referring to fig. 2 and 3, the cradle prepressing reaction frame comprises an oblique beam 1 and a cross beam 2, wherein the cross beam 2 and the oblique beam 1 are both arranged above a bottom template 4, a jack 20 is arranged between the bottom template 4 and the cross beam 2, the jack 20 is a hydraulic jack in the embodiment of the application, the bottom template 4 is connected with a cradle 22 through a cradle hanging strip 21 at the beginning and is hung at the bottom of a cradle 33 for prepressing experiment on the cradle 22, a plurality of positioning holes 6 are arranged on the oblique beam 1, the included angle between the oblique beam 1 and the cross beam 2 is 30-45 degrees, the oblique beam 1 and the cross beam 2 are both i-shaped steel, the cross beam 2 is horizontally arranged, the cross beam 2 is connected with the side wall of a No. 0 block web 3 through a first fixing part 8, the oblique beam 1 is connected with the side wall of the No. 0 block web 3 through a second fixing part 9, one end of the oblique beam 1 is connected with the No. 0 block web 3, and the other end of the oblique beam 1 is welded with the upper surface of the cross beam 2, be provided with stiffening beam 5 between crossbeam 2 and the sloping 1, the one end of stiffening beam 5 and the upper surface welding of crossbeam 2, the other end of stiffening beam 5 and the lower surface welding of sloping 1, stiffening beam 5 and sloping 1 mutually perpendicular set up, still be provided with perpendicular roof beam 19 between crossbeam 2 and the sloping 1, the upper surface welding of perpendicular roof beam 19 one end and crossbeam 2, the other end of perpendicular roof beam 19 and the lower surface welding of sloping 1, perpendicular roof beam 19 sets up with crossbeam 2 mutually perpendicular, it is I-shaped steel to erect roof beam 19 and stiffening beam 5.

Referring to fig. 2 and 4, the lower surface of the cross beam 2 is provided with a positioning groove 7 for the output end of the jack 20 to penetrate.

Referring to fig. 2 and 3, the first fixing member 8 includes a first slider 10 welded on the cross beam 2 and a first slide rail 11 welded on the side wall of the No. 0 web 3, the first slide rail 11 is horizontally disposed, the first slide rail 11 includes a first rail body 14 and a first stopper 15 for limiting the first slider 10, the first stopper 15 includes two first stoppers, one first stopper 15 is located on the upper surface of the first rail body 14, the other first stopper 15 is located on the lower surface of the first rail body 14, the first slide opening is provided with a through groove adapted to the first slide rail 11, the second fixing member 9 includes a second slider 12 welded on the oblique beam 1 and a second slide rail 13 welded on the side wall of the No. 0 web 3, the second slide rail 13 is horizontally disposed, the second slide rail 13 includes a second rail body 16 and a second stopper 17 for limiting the second slider 12, the first slider 10 and the second slider 12 are both provided with a plurality of rivets 18, the first sliding block 10 and the No. 0 block web 3 are fixed through the rivet 18, the reaction frame is fixed on the No. 0 block web 3 through the rivet 18, and then the reaction frame is welded with the No. 0 block web 3.

The implementation principle of hanging basket pre-compaction reaction frame of the embodiment of the application is as follows: when a prepressing load experiment is carried out on the hanging basket 22, the first sliding block 10 is firstly installed on the first sliding rail 11, the second sliding block 12 is installed on the second sliding rail 13, the positions of the reaction frames are adjusted and then fixed through the rivets 18, other reaction frames are fixed on the No. 0 block web 3 in the same mode, then a steel wire penetrates through the positioning holes 6, the inclined beams 1 and the external limiting beams 23 are fixed together, then the jack 20 is placed in a gap between the cross beam 2 and the bottom template 4, the output end of the jack 20 corresponds to the positioning groove 7 of the cross beam 2, and the bottom template 4 and the hanging basket 22 are connected together through the hanging basket hanging straps 21, so that an acting force generated when the jack 20 works is reacted on the hanging basket hanging straps 21, and prepressing load acts on the hanging basket 22, and prepressing on the hanging basket 22 is achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a hang basket pre-compaction reaction frame which characterized in that: including sloping (1) and crossbeam (2), crossbeam (2) level sets up, crossbeam (2) and sloping (1) all are connected with the lateral wall of No. 0 piece web (3), sloping (1) and crossbeam (2) all are located the top of die block board (4), be provided with jack (20) between crossbeam (2) and die block board (4), the upper surface connection of sloping (1) one end and crossbeam (2), sloping (1) other end and No. 0 piece web (3) are connected.

2. The cradle pre-pressing reaction frame as set forth in claim 1, which is characterized in that: the upper surface of the cross beam (2) is provided with a reinforcing beam (5), one end of the reinforcing beam (5) is fixedly connected with the upper surface of the cross beam (2), and the other end of the reinforcing beam (5) is fixedly connected with the lower surface of the oblique beam (1).

3. The cradle pre-pressing reaction frame as set forth in claim 1, which is characterized in that: the inclined beam (1) is made of I-shaped steel, and the inclined beam (1) is provided with a plurality of positioning holes (6).

4. The cradle pre-pressing reaction frame as set forth in claim 1, which is characterized in that: and the lower surface of the cross beam (2) is provided with a positioning groove (7) for the output end of the jack (20) to penetrate into.

5. The cradle pre-pressing reaction frame as set forth in claim 1, which is characterized in that: crossbeam (2) are connected through first mounting (8) with No. 0 piece web (3), sloping (1) is connected through second mounting (9) with No. 0 piece web (3), first mounting (8) are including fixed first slider (10) that sets up on crossbeam (2) and fixed first slide rail (11) that set up at No. 0 piece web (3) lateral wall, first slide rail (11) level sets up, logical groove with first slide rail (11) looks adaptation is seted up in first slider (10), second mounting (9) are including setting up second slider (12) on sloping (1) and setting up second slide rail (13) at No. 0 piece web (3) lateral wall, second slide rail (13) level sets up, logical groove with second slide rail (13) looks adaptation is seted up in second slider (12).

6. The cradle pre-pressing reaction frame as set forth in claim 5, which is characterized in that: the first sliding rail (11) comprises a first rail body (14) and first limiting blocks (15) used for limiting the first sliding block (10), the first rail body (14) is horizontally arranged, the number of the first limiting blocks (15) is two, one first limiting block (15) is located above the first rail body (14), the other first limiting block (15) is located at the bottom of the first rail body (14), the second sliding rail (13) comprises a second rail body (16) and second limiting blocks (17) used for limiting the second sliding block (12), the second rail body (16) is horizontally arranged, the number of the second limiting blocks (17) is two, one second limiting block (17) is located above the second rail body (16), and the other second limiting block (17) is located at the bottom of the second rail body (16).

7. The cradle pre-pressing reaction frame as set forth in claim 5, which is characterized in that: first slider (10) and second slider (12) all are provided with a plurality of rivet (18), first slider (10) is fixed through rivet (18) with No. 0 piece web (3), second slider (12) is fixed through rivet (18) with No. 0 piece web (3).

8. The cradle pre-pressing reaction frame as set forth in claim 1, which is characterized in that: be provided with between crossbeam (2) and sloping (1) and erect roof beam (19), erect roof beam (19) one end and the upper surface fixed connection of crossbeam (2), the other end of erecting roof beam (19) and the lower surface fixed connection of sloping (1).