Novel back ridge at expansion joint

Abstract

The utility model discloses a novel expansion joint back ridge which comprises a first ridge strip and a second ridge strip, the side portion of the first ridge strip and the side portion of the second ridge strip are fixedly connected with a plurality of sets of base plates, hexagonal holes are formed in the side portions of the base plates, nuts are inserted into the hexagonal holes, and the nuts are fixedly connected into the base plates. The hexagonal hole is formed in the base plate, the nut can penetrate through the hexagonal hole conveniently, after the nut penetrates through the hexagonal hole, the nut and the two faces of the base plate are welded, the fastening effect of the nut installed on the base plate is guaranteed, and the connecting strength and stability of the nut after installation can be improved; the nuts, the base plate, the first fillets and the second fillets are integrally arranged, so that the back ridges can be conveniently carried and conveyed, meanwhile, the screws can be installed on the back ridges through the nuts without carrying fixing pieces used for fixing the screws, and then the convenience of carrying and conveying the back ridges can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to back lath technical field, concretely is a novel expansion joint place back lath. BACKGROUND

[0002] The back lath at the expansion joint is steel lath or steel frame arranged at the expansion joint position of the building or structure for reinforcing and supporting the structure on both sides of the expansion joint, plays the role of enhancing stability and bearing capacity in the building construction, is widely used in bridge, building, tunnel and other engineering, is the key part in the supporting structure, and the back lath can be used as a crossbeam to connect and fix the vertical component of the supporting steel plate, so that the deformation or instability of the steel plate in the stress process is prevented, and the bearing capacity and safety of the structure are improved.

[0003] The existing back lath at the expansion joint is welded on one side between the nut and the backing plate, the weld strength and stability are poor, the nut is easily affected by external factors and is de-welded, and therefore the on-site reinforcing effect is poor, so a novel back lath at the expansion joint needs to be provided. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a novel expansion joint place back lath, the hexagonal hole is opened on the backing plate, the nut is convenient to pass, the nut is penetrated the hexagonal hole, the nut is welded on both sides of the backing plate, the fastening effect of the nut installed on the backing plate is guaranteed, the connecting strength and stability after the nut is installed can be improved, so that the problems in the above background are solved.

[0005] In order to achieve the above object, the utility model provides the following technical scheme:

[0006] A novel expansion joint place back lath, including first lath and second lath, the side of first lath and second lath is fixedly connected with a plurality of groups of backing plate, the side of a plurality of groups of backing plate is all set up with hexagonal hole, the hexagonal hole is inserted with nut, the nut is fixedly connected in backing plate.

[0007] Preferably, the first lath and the second lath are left with a placement channel for the screw and the nut, and one end of the nut extends into the placement channel.

[0008] Preferably, the top of the nut is fixedly connected to the bottom of the first lath, and the bottom of the nut is fixedly connected to the top of the second lath.

[0009] Preferably, the first lath and the second lath are both square steel.

[0010] Preferably, the first lath and the second lath are both provided with through holes.

[0011] Preferably, the nut is provided with a threaded hole.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] The utility model discloses a hexagonal hole is opened on the backing plate, and the nut is convenient to pass through, the nut is welded with the two sides of the backing plate after the nut is threaded through the hexagonal hole, the fastening effect of the nut being installed on the backing plate is guaranteed, the connecting strength and stability after the nut is installed can be improved, when the nut is fixedly connected on the backing plate, the nut, the backing plate, the first batten and the second batten are integrally arranged, so that the back batten can be conveniently carried and transported, and the fixed part for the screw rod is not needed to carry, and the screw rod can be installed on the back batten through the nut, and the convenience of carrying and transporting the back batten can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is one of the structural schematic diagram of the utility model;

[0015] Fig. 2 It is the second structural schematic diagram of the utility model;

[0016] Fig. 3 It is the structural schematic diagram of the utility model part.

[0017] In the drawing: 1, first batten;2, second batten;3, backing plate;4, hexagonal hole;5, threaded hole;6, nut;7, through hole. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0019] Please refer to Figs. 1-3 The utility model provides a technical scheme:

[0020] A novel expansion joint back batten, including first batten 1 and second batten 2, the side of first batten 1 and second batten 2 is fixedly connected with multiple sets of backing plate 3, the side of multiple sets of backing plate 3 is all set up with hexagonal hole 4, the hexagonal hole 4 is inserted with nut 6, and the nut 6 is fixedly connected in backing plate 3.

[0021] Need to explain is, through the hexagonal hole 4 being opened on the backing plate 3, the nut 6 is convenient to pass through, the nut 6 is welded with the two sides of the backing plate 3 after the nut 6 is threaded through the hexagonal hole 4, the fastening effect of the nut 6 being installed on the backing plate 3 is guaranteed, the connecting strength and stability after the nut 6 is installed can be improved.

[0022] In an optional embodiment: the first rib 1 and the second rib 2 leave a placement channel for the screw and the nut 6 to be placed, one end of the nut 6 extends into the placement channel.

[0023] In an optional embodiment: the top of the nut 6 is fixedly connected to the bottom of the first rib 1, and the bottom of the nut 6 is fixedly connected to the top of the second rib 2.

[0024] It should be noted that the nut 6 and the first rib 1 are welded at the position in contact with each other, so that the nut 6 can be welded on the first rib 1 and the second rib 2, which can improve the connection strength and stability of the first rib 1 after installation, and can improve the connection strength and stability between the first rib 1 and the second rib 2, and can improve the reinforcement effect of the back rib during use.

[0025] In an optional embodiment: the first rib 1 and the second rib 2 are both square steel.

[0026] In an optional embodiment: the first rib 1 and the second rib 2 are both square steel.

[0027] It should be noted that by being provided in the first rib 1 and the second rib 2, the weight of the back rib can be reduced, which can prevent the weight of the back rib from being too heavy after welding and assembly, and can improve the convenience of transporting and conveying the back rib.

[0028] In an optional embodiment: the nut 6 is provided with a threaded hole 5 for screw installation.

[0029] It should be noted that after the screw is screwed into the threaded hole 5 of the nut 6, the screw is further screwed by a tool, so that the screw can be tightly pressed against the surface of the outer wall formwork to fix the outer wall formwork.

[0030] In specific use, when the back rib is welded and assembled, the nut 6 is inserted through the hexagonal hole 4, and the nut 6 is welded on both sides of the backing plate 3 to ensure the fastening effect of the nut 6 installed on the backing plate 3, which can improve the connection strength and stability of the nut 6 after installation, and when the nut 6 is fixedly connected to the backing plate 3, the nut 6, the backing plate 3, the first rib 1 and the second rib 2 are integrally arranged, which can facilitate the transportation and conveying of the back rib, and the screw can be installed on the back rib through the nut 6 without the need to carry a fixing piece for screw fixation, thereby improving the convenience of transporting and conveying the back rib.

[0031] And the nut 6 and the first ridge 1, the second ridge 2 contact the position is welded, so that the nut 6 can be welded on the first ridge 1 and the second ridge 2, can improve the connection strength and stability after the nut 6 installation, at the same time, can improve the connection strength and stability between the first ridge 1 and the second ridge 2, can improve the reinforcing effect when using the back ridge on site;

[0032] After the plurality of back ridges are assembled on the outer side of the outer wall formwork, by screwing the screw rod into the threaded hole 5 of the nut 6, and then using a tool to continue to screw the screw rod, the screw rod can be tightly pressed against the surface of the outer wall formwork, without the need for a fixing member for fixing the screw rod, thereby improving the convenience of carrying and transporting the back ridges.

[0033] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A new type of back joint at expansion joint, comprising a first strip (1) and a second strip (2), characterized in that: The side of the first corrugated strip (1) and the second corrugated strip (2) is fixedly connected with a plurality of groups of backing plates (3), the side of the plurality of groups of backing plates (3) is provided with a hexagonal hole (4), the hexagonal hole (4) is inserted with a nut (6), and the nut (6) is fixedly connected in the backing plate (3).

2. A novel back joint at expansion joint as claimed in claim 1, wherein: The first corrugated strip (1) and the second corrugated strip (2) are provided with a placement channel for placing the screw and the nut (6), and one end of the nut (6) extends into the placement channel.

3. The novel back joint at expansion joint according to claim 1, characterized in that: The top of the nut (6) is fixedly connected to the bottom of the first corrugated strip (1), and the bottom of the nut (6) is fixedly connected to the top of the second corrugated strip (2).

4. The novel back joint at expansion joint according to claim 1, characterized in that: The first corrugated strip (1) and the second corrugated strip (2) are both provided as square steel.

5. The novel back joint at expansion joint according to claim 1, characterized in that: The first corrugated strip (1) and the second corrugated strip (2) are both provided with a through hole (7).

6. A novel back joint at expansion joint as claimed in claim 1, wherein: The nut (6) is provided with a threaded hole (5).

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