A prefabricated slab beam shear reinforcement frame positioning device

Abstract

The utility model relates to a shear reinforcement cradle positioning device for prefabricated slab beams, which belongs to the technical field of shear reinforcement installation, and comprises: a cradle positioning trolley body, a top plate steel bar binding cradle and a track, wherein the top plate steel bar binding cradle has a storage platform, and a plurality of positioning ribs are installed on the storage platform, and the shear reinforcement is placed on the positioning ribs, and the positioning ribs are installed on the storage platform at a height that matches the shear reinforcement, so that the welding position of the shear reinforcement is appropriate, and the cradle positioning trolley body moves along the track; the top plate steel bar binding cradle is provided with a comb plate; when the shear reinforcement is positioned and welded, the shear reinforcement is placed on the positioning ribs on the storage platform, and the positioning ribs are used to position the shear reinforcement, and when one group of shear reinforcement is welded, the top plate steel bar binding cradle moves along the track and welds the next group of shear reinforcement, and the shear reinforcement installation operation of the prefabricated slab beam is efficient, the positioning is accurate, the line is smooth, and the height is uniform, which effectively guarantees the subsequent construction quality.

Description

Technical Field

[0001] The utility model belongs to the technical field of shear reinforcement installation, and in particular relates to a shear reinforcement frame positioning device for a prefabricated slab beam. Background Art

[0002] Precast slab beam is a high-grade concrete component, which is composed of raw materials such as steel bars, steel strands, cement, gravel, sand, etc. It is made by processes such as tying steel bars, installing formwork, and pouring concrete. It has the characteristics of good supporting performance, high strength, and convenient construction and maintenance. It is widely used in municipal and highway projects that cross intersections, rivers or other obstacles. The top plate of the precast slab beam is designed with shear steel bars, which are usually arranged longitudinally for structural connection when pouring the bridge deck pavement. When tying the top plate steel bars, it is necessary to embed the top plate shear bars in advance. The embedding method is to pull wires at both ends of the top plate frame to control the line shape, and manually hold the shear bars in place and spot weld them with the top plate stirrups to fix them. This method is complicated to operate, increases labor intensity, has low installation efficiency and poor installation effect.

[0003] In order to ensure that the installation height and straightness of the shear reinforcement of the top slab of the precast slab beam meet the construction specifications and design requirements, ensure the construction quality of the subsequent bridge deck pavement layer, reduce the labor intensity of the shear reinforcement installation operation, improve work efficiency and reduce costs, it is necessary to improve the existing precast slab beam top slab shear reinforcement installation construction process and the top slab steel bar frame. Utility Model Content

[0004] The utility model aims to provide a prefabricated slab beam shear reinforcement cradle positioning device, which solves the problems in the prior art that the flatness of shear reinforcement installation on the prefabricated slab beam top plate reinforcement cradle is difficult to control and the efficiency is low.

[0005] The technical solution of the utility model is as follows:

[0006] A prefabricated slab beam shear reinforcement tyre positioning device, comprising: a tyre positioning trolley body, a top plate reinforcement binding tyre and a track, the tyre positioning trolley body having a storage platform, a plurality of positioning ribs being installed on the storage platform, shear reinforcement being placed on the positioning ribs, the positioning ribs being installed on the storage platform at a height that matches the shear reinforcement so that the welding position of the shear reinforcement is appropriate, the tyre positioning trolley body moving along the track; the top plate reinforcement binding tyre having a comb plate, the comb plate being arranged along the length direction of the track, the top plate stirrups being clamped in the teeth of the comb plate to position the top plate stirrups.

[0007] The beneficial effects are: the shear bars are uniformly placed on the storage platform of the tire frame positioning trolley body. When welding the shear bars, the shear bars are taken from the storage platform and placed on the positioning bars. The shear bars are positioned by the positioning bars to avoid the shear bars from shifting during welding. When the welding of one group of shear bars is completed, the tire frame positioning trolley body moves to weld the next group of shear bars. The shear bar installation operation of the precast slab beam is efficient, the positioning is accurate, the line shape is smooth, and the height is uniform, which effectively guarantees the subsequent construction quality.

[0008] Furthermore, the top plate reinforcement binding frame also includes: a connecting head, an intermediate supporting channel steel, a top cross beam, a single-side limiting channel steel, a leveling piece, a bottom cross beam, a diagonal brace, and a supporting column.

[0009] In order to make the utility model have the supporting and stabilizing function of the top crossbeam, further, the rails are installed on both sides of the top crossbeam, the bottom crossbeam is installed between the bottoms of the two support columns, and the diagonal bracing rods are installed between the support columns and the top crossbeam.

[0010] In order to enable the utility model to have the function of adjusting the horizontality of the crossbeam, further, a leveling piece is installed at the bottom of each supporting column.

[0011] In order to facilitate the installation of the comb plate in the utility model, further, connecting joints are installed at the top two ends of the top cross beam, and the comb plate is connected to the top cross beam through the connecting joints.

[0012] In order to make the utility model more stable when the top plate stirrups are placed in the comb plate, further, a single-sided limiting channel steel is installed on one side of the top cross beam.

[0013] In order to enable the tire frame positioning trolley body of the utility model to slide and stabilize along the track, the tire frame positioning trolley body further includes walking legs, and two groups of walking legs are provided. The two groups of walking legs are respectively located on the tracks on both sides, and rollers are installed at the bottom of each walking leg. Screws are installed on the walking legs and the rollers to fix the rollers on the support legs.

[0014] Furthermore, a stop block is installed at the end of the track.

[0015] Furthermore, the track is made of angle steel with a round steel welded on top.

[0016] In order to make the utility model have the function of conveniently connecting different tracks, further, a connector is provided at the end of each track section to facilitate the connection between the front and rear tracks.

[0017] The beneficial effects of the utility model are:

[0018] When positioning and welding the shear bars, the shear bars are placed on the positioning bars on the storage platform. The positioning bars are used to position the shear bars to ensure the height of the shear bars so that they can be welded at the appropriate position on the top plate stirrups. At the same time, the size of the positioning bars is suitable for supporting the shear bars to avoid the shear bars from shifting during welding. After the welding of one group of shear bars is completed, the tire frame positioning trolley body moves along the track to weld the next group of shear bars. The shear bar installation operation of the precast slab beam is efficient, the positioning is accurate, the line is smooth, and the height is uniform, which effectively guarantees the subsequent construction quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention.

[0020] Figure 1 It is a structural schematic diagram of a specific embodiment of the utility model.

[0021] Figure 2 It is a schematic diagram of the partial structure of the front view of the tire frame positioning trolley body according to a specific embodiment of the utility model.

[0022] Figure 3 It is a right side partial structural schematic diagram of a tire frame positioning trolley body according to a specific embodiment of the utility model.

[0023] In the figure: 1. shear reinforcement; 2. top plate stirrups; 3. top plate reinforcement binding frame; 4. comb plate; 5. connecting head; 6. middle support channel steel; 7. top cross beam; 8. single-side limit channel steel; 9. leveling piece; 10. bottom cross beam; 11. diagonal brace; 12. support column; 13. frame positioning trolley body; 14. walking legs; 15. rollers; 16. stop blocks; 17. rails; 18. connectors; 19. storage platform; 20. round steel; 21. screws; 22. positioning reinforcement. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0025] like Figure 1-3As shown, a prefabricated slab beam shear reinforcement cradle positioning device comprises: a cradle positioning trolley body 13, a top plate reinforcement binding cradle 3 and a track 17; the cradle positioning trolley body 13 has a storage platform 19, on which are installed a plurality of positioning ribs 22, on which are placed shear reinforcement 1, the positioning ribs 22 are installed at a height matched with the shear reinforcement 1 on the storage platform 19, so that the welding position of the shear reinforcement 1 is appropriate, and the cradle positioning trolley body 13 moves along the track 17; the top plate reinforcement binding cradle 3 has a comb plate 4, which is arranged along the length direction of the track 17, and the top plate stirrups 2 are clamped in the teeth of the comb plate 4 to position the top plate stirrups 2.

[0026] During the specific implementation process, when the shear reinforcement 1 is positioned and welded, the shear reinforcement 1 is placed on the positioning reinforcement 22 on the storage platform 19. The positioning reinforcement 22 is used to position the shear reinforcement 1 to ensure the height position of the shear reinforcement 1 so as to weld it at a suitable position on the top plate stirrup 2. At the same time, the size of the positioning reinforcement 22 is suitable for supporting the shear reinforcement 1 to avoid the shear reinforcement 1 from shifting during welding. After the welding of one group of shear reinforcements 1 is completed, the top plate steel bar binding frame 3 moves along the track 17 and welds the next group of shear reinforcements 1.

[0027] Preferably, the top plate reinforcement binding frame 3 also includes: a connecting head 5, an intermediate supporting channel steel 6, a top cross beam 7, a single-side limiting channel steel 8, a leveling piece 9, a bottom cross beam 10, a diagonal brace 11, and a support column 12.

[0028] Specifically, the track 17 is installed on both sides of the top beam 7, support columns 12 are installed on both sides below the top beam 7 to support the top beam 7, a bottom beam 10 is installed between the bottoms of the two support columns 12 to ensure the stability of the support columns 12, and at the same time, a diagonal brace rod 11 is installed between the support column 12 and the top beam 7 to further ensure the stability of the support for the top beam 7.

[0029] Specifically, a leveling member 9 is installed at the bottom of each support column 12 , and when the support of the top cross beam 7 is tilted, the top cross beam 7 is corrected to a horizontal position through the leveling member 9 .

[0030] Specifically, connecting heads 5 are installed at both ends of the top of the top beam 7, and the comb plate 4 is connected to the top beam 7 through the connecting heads 5. In a specific embodiment, the connecting heads 5 can be fixed to the top beam 7 by welding or the like, and the comb plate 4 is installed together with the connecting heads 5 by connecting parts such as screws and bolts.

[0031] Specifically, in order to reduce the deformation of the top plate stirrup 2 due to its own gravity, an intermediate support channel steel 6 is placed in the middle of the top plate stirrup 2 to eliminate the deformation of the top plate stirrup 2.

[0032] Preferably, a single-sided limiting channel steel 8 is installed on one side of the top cross beam 7; when the top plate stirrup 2 is placed in the comb plate 4, one end of the top plate stirrup 2 is in contact with the single-sided limiting channel steel 8 to ensure the overall linear shape of the top plate stirrup 2.

[0033] Specifically, the tire frame positioning trolley body 13 also includes walking legs 14, which are provided with two groups. The two groups of walking legs 14 are respectively located on the tracks 17 on both sides. A roller 15 is installed at the bottom of each walking leg 14, and screws 21 are installed between the walking legs 14 and the rollers 15 to fix the rollers 15 on the walking legs 14.

[0034] Preferably, a stop block 16 is installed at the end of the track 17 . In a specific embodiment, the stop block 16 is a steel block welded to the end of the track 17 .

[0035] Specifically, the storage platform 19 is made by welding 10# channel steel and a steel plate with a size of 50cm×2400cm×6mm.

[0036] Specifically, the walking legs 14 are formed by welding steel plates having a size of 17 cm×6 cm×8 mm.

[0037] Specifically, the track 17 is made of a 10# angle steel with an 8# round steel 20 welded on the top, and the roller 15 rolls on the round steel 20 .

[0038] Preferably, a connector 18 is provided at the end of each track section 17 to facilitate the connection between the front and rear tracks and control the track line shape.

[0039] Specific working principle: When the shear reinforcement 1 is positioned and welded, the shear reinforcement 1 is placed on the positioning reinforcement 22 on the storage platform 19. The positioning reinforcement 22 is used to position the shear reinforcement 1 to ensure the height position of the shear reinforcement 1 so as to weld it at a suitable position on the top plate stirrup 2. At the same time, the size of the positioning reinforcement 22 is suitable for supporting the shear reinforcement 1 to avoid the shear reinforcement 1 from shifting during welding. After the welding of one group of shear reinforcement 1 is completed, the top plate steel bar binding frame 3 moves along the track 17 and welds the next group of shear reinforcement 1. The shear reinforcement installation operation of the prefabricated slab beam is efficient, the positioning is accurate, the line shape is smooth, and the height is uniform, which effectively guarantees the subsequent construction quality.

Claims

1. A prefabricated slab beam shear reinforcement frame positioning device, characterized in that: include: A tire frame positioning trolley body (13), a top plate steel bar binding tire frame (3) and a track (17), wherein the tire frame positioning trolley body (13) has a storage platform (19), a plurality of positioning bars (22) are installed on the storage platform (19), shear bars (1) are placed on the positioning bars (22), the positioning bars (22) are installed on the storage platform (19) at a height that matches the shear bars (1) so that the welding position of the shear bars (1) is appropriate, and the tire frame positioning trolley body (13) travels along the track (17); the top plate steel bar binding tire frame (3) has a comb plate (4), the comb plate (4) is arranged along the length direction of the track (17), and the top plate stirrups (2) are clamped in the teeth of the comb plate (4) to position the top plate stirrups (2).

2. The shear reinforcement cradle positioning device for prefabricated slab beams according to claim 1, characterized in that: The top plate reinforcement binding frame (3) further comprises: a connecting joint (5), an intermediate supporting channel steel (6), a top crossbeam (7), a single-side limiting channel steel (8), a leveling member (9), a bottom crossbeam (10), a diagonal brace (11), and a supporting column (12).

3. The shear reinforcement cradle positioning device for prefabricated slab beams according to claim 2, characterized in that: The track (17) is installed on both sides of the top crossbeam (7), the bottom crossbeam (10) is installed between the bottoms of the two support columns (12), and the diagonal brace (11) is installed between the support column (12) and the top crossbeam (7).

4. The shear reinforcement cradle positioning device for prefabricated slab beams according to claim 2, characterized in that: A leveling member (9) is installed at the bottom of each support column (12).

5. The shear reinforcement cradle positioning device for prefabricated slab beams according to claim 2, characterized in that: Connecting joints (5) are installed at both ends of the top of the top crossbeam (7), and the comb plate (4) is connected to the top crossbeam (7) through the connecting joints (5).

6. The shear reinforcement cradle positioning device for prefabricated slab beams according to claim 2, characterized in that: A single-sided limiting channel steel (8) is installed on one side of the top cross beam (7).

7. The shear reinforcement cradle positioning device for prefabricated slab beams according to claim 1, characterized in that: The tire frame positioning trolley body (13) further comprises walking legs (14), wherein two groups of walking legs (14) are provided, and the two groups of walking legs (14) are respectively located on the tracks (17) on both sides, and a roller (15) is installed at the bottom of each walking leg (14), and screws (21) are installed between the walking legs (14) and the rollers (15) to fix the rollers (15) on the walking legs (14).

8. The shear reinforcement cradle positioning device for prefabricated slab beams according to claim 1, characterized in that: A stop block (16) is installed at the end of the track (17).

9. The shear reinforcement cradle positioning device for prefabricated slab beams according to claim 1, characterized in that: The track (17) is made by welding a round steel (20) on the top of the angle steel.

10. A prefabricated slab beam shear reinforcement cradle positioning device according to any one of claims 1 to 9, characterized in that: A connector (18) is provided at the end of each track section (17) to facilitate the connection of the front and rear tracks (17).

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