CN219583288U - Box girder end movable roughening edge protection clamp - Google Patents

Abstract

The utility model discloses a movable roughening edge protection fixture for a box girder end, which comprises a plurality of L-shaped fixture units, wherein the width of the short part of each L-shaped fixture unit is the same as the reserved width of a spring wire, each corner position of the box girder end is covered by the L-shaped fixture units with different lengths, and the movable roughening edge protection fixture also comprises a clamping device for fixing the L-shaped fixture units on corresponding side edges covered by the same box girder body so as to avoid the L-shaped fixture units from being separated from the side edges. According to the utility model, the L-shaped clamp units with various lengths are arranged, the width of the short part of the L-shaped clamp unit is the same as the reserved width of the elastic wire, the L-shaped clamp units with various lengths are used for coating and arranging the corner positions of the girder end of the box girder, and the clamping devices are arranged for fixing, so that the roughening construction efficiency of the girder end of the prefabricated box girder can be improved, and the prefabricated box girder is convenient to dismantle after roughening is finished, can be reused, and achieves the purposes of saving energy and labor cost and improving quality efficiency.

Description

Box girder end movable roughening edge protection clamp

Technical Field

The utility model relates to the technical field of box girder end construction equipment, in particular to a movable roughening and edge protecting clamp for a box girder end.

Background

At present, the economy of China is quicker, and the construction industry makes an excellent contribution to the development of China. However, in the prefabrication construction process of the box girder, the construction quality, particularly the roughening at the girder end position and the appearance quality are important links in the construction process, and whether each link can be controlled by a scientific and effective construction method in the construction process is the key of the prefabrication of the box girder. The existing beam end position roughening adopts a manual line snapping method to limit, namely, the ink line is sprung to limit the reserved width at certain width of each edge at two ends, the area, which is close to the edge, outside the ink line is a reserved area, the area in the adjacent ink line is a roughening area, and in the second actual roughening process, the edge corner position of the beam end is often subjected to accidental roughening to lack edges and corners due to manual roughening, and finally, the method starts from the improvement of the box beam end position roughening efficiency, the box beam appearance and the finished product protection angle.

Disclosure of Invention

The utility model aims to provide a movable roughening edge protection fixture for a box girder end, which can reduce manual spring wires in the girder end roughening process, improve the roughening efficiency of the box girder end, effectively protect the corner position of the girder end and prevent corner falling due to edge deficiency.

The utility model adopts the technical scheme that:

the utility model provides a movable roughening of case roof beam end protects limit fixture, includes a plurality of L type fixture units, and the width of the short portion of L type fixture unit is the same with the bullet line reserved width size, through the L type fixture unit of multiple different length, carries out cladding setting to each corner position of case roof beam end position, still including clamping device for the L type fixture unit on the corresponding side arris of same case roof beam body cladding is fixed, avoids its and the side arris to break away from.

The clamping device comprises fixing rings transversely arranged on the outer end faces of the short parts of the L-shaped clamp units, and bolts and nuts which are matched with each other, and the bolts penetrate through the fixing rings transversely arranged on the outer end faces of the short parts of the two L-shaped clamp units and are locked through the nuts, so that the two L-shaped clamp units are fixed.

The lengths of the L-shaped clamp units are different.

The bottom of the fixed ring is provided with a through hole, the outer end face of the short part of the L-shaped clamp unit is vertically provided with a fixed rod, and the bottom of the fixed ring is rotatably arranged with the fixed rod through the through hole.

The short parts of the L-shaped clamp units are respectively provided with a connecting part for connecting with each other, so that the adjacent L-shaped clamp units can be conveniently hung and limited from head to tail.

The connecting part adopts a hook, the hook at the upper end of the same L-shaped clamp unit is horizontally arranged, and the hook at the lower end is vertically arranged.

The hook is a deep U-shaped hook.

According to the utility model, the L-shaped fixture units with various lengths are arranged, the width of the short part of the L-shaped fixture unit is the same as the reserved width of the elastic wire, the L-shaped fixture units with various lengths are used for coating and arranging each corner position of the girder end of the box girder, and meanwhile, the fixing rings are arranged on the transverse lines of the outer sections of the short parts of the L-shaped fixture units, so that the two L-shaped fixture units of the same girder wall are fastened and fixed conveniently through bolts and matched nuts, the girder end roughening construction efficiency of the prefabricated box girder can be improved, the L-shaped fixture units with various lengths are arranged, the coating and arranging of each corner of the girder end of the box girder can be realized, the girder end can be conveniently removed after roughening is finished, and the purposes of saving energy and labor cost and improving quality are achieved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the present utility model in use;

FIG. 2 is a schematic view of a clamping device according to the present utility model;

FIG. 3 is a top view of the attachment portion of the present utility model in an installed position;

fig. 4 is a right side view of fig. 3.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, 2, 3 and 4, the utility model comprises a plurality of L-shaped clamp units 1, the width of the short part of the L-shaped clamp unit 1 is the same as the reserved width of the elastic wire, each corner position of the girder end position 2 of the box girder is coated by the L-shaped clamp units 1 with different lengths, and the utility model also comprises a clamping device 7 for fixing the L-shaped clamp units 1 on the corresponding side edges coated by the same girder body, so as to avoid the separation of the girder end position 2 from the side edges. According to the utility model, through arranging the L-shaped fixture units 1 with various lengths, the full coating of the edges and corners of the cross section of the box girder body can be realized, the length of the short side of the L-shaped fixture unit is matched to limit the distance of the elastic wire before replacement, and then the clamping device 7 is used for clamping, so that the roughening operation can be realized, the whole process does not need the elastic wire operation, the roughening operation can be greatly improved compared with the roughening operation effect of the elastic wire, and the damage of the edges and corners and the misoperation of operators to perform roughening across the elastic wire are avoided.

The clamping device 7 comprises fixing rings 4 transversely arranged on the outer end faces of the short parts of the L-shaped clamp units, bolts 3 and nuts 5 matched with each other, and the bolts 3 penetrate through the fixing rings 4 transversely arranged on the outer end faces of the short parts of the two L-shaped clamp units 1 and then are locked through the nuts 5, so that the two L-shaped clamp units are fixed. Other tightening devices can be adopted in actual use, the L-shaped clamp units 1 of the edges can be tightened without loosening, and specific structures are not repeated here.

The lengths of the L-shaped clamp units 1 are different. The L-shaped fixture units 1 with different lengths can be used for completely coating all the edges and corners of the end face 2 of the whole box girder body, namely, irregular turning places can be completely coated. The L-shaped fixture units 1 with different lengths can be spliced to realize the full cladding of the edges and corners with different shapes.

The bottom of the fixed ring 4 is provided with a through hole, the outer end face of the short part of the L-shaped clamp unit is vertically provided with a fixed rod 9, and the bottom of the fixed ring is rotatably arranged with the fixed rod 9 through the through hole. Through the solid fixed ring that rotates the setting, be convenient for realize each L type fixture unit 1 and carry out the bolt fastening, be convenient for adjust the direction, even can realize locking at unifying horizontal direction yet, of course, the direction that best locks can be perpendicular with the side edge that is located, this locking effect is best.

The short parts of the L-shaped clamp units 1 are respectively provided with a connecting part for connecting with each other, so that the adjacent L-shaped clamp units can be conveniently hung and limited from head to tail. Through setting up connecting portion, can realize can the end to end connection between each L type fixture unit 1, when avoiding turning round a plurality of L type fixture units 1 of etc. to set up, need a plurality of clamping parts to tighten fixedly, adopt connecting portion can reduce clamping device's setting number.

The connecting part adopts a hook, the hook 6 at the upper end of the same L-shaped clamp unit is horizontally arranged, and the hook 10 at the lower end is vertically arranged. The two are vertically arranged, so that the two are convenient to be firmly hung, and the deep U-shaped hook is adopted, so that the two can be rotated at a certain angle without unhooking after being hung. The deep U-shaped hook can be used for realizing connection between the upper and lower adjacent L-shaped clamp units 1, so that the problem that excessive clamping devices are needed when the L-shaped clamp units 1 are arranged at equal angles is avoided.

The utility model adopts simple materials, can be assembled by using leftover materials of a worksite, and is specifically described as follows: firstly, processing and bending angle steel with the length of 2cm and 3mm according to the size of a beam end, wherein the length of a top plate is 2.4m, then, welding an iron pipe with the length of 2cm and phi 20mm at a position which is 5cm away from an end head, namely, the fixing ring 4, bending the outer edge of the beam with the length of 1.9m (two pieces) according to the size, then, welding an iron pipe at a position which is 85cm away from the bottom, bending the edge of a box chamber by adopting angle steel with the length of 4.1m, and welding an iron pipe at a position which is 70cm away from the bottom. Two angle steels are connected into a whole by long bolts with phi of 16mm, namely the bolts 3 (the length is 30 cm) penetrating through the iron pipes. When roughening the beam end of the precast box beam, placing angle steel at the beam end for angle protection, and then connecting and fixing the angle steel by using long bolts. And after the roughening construction is finished, the clamp is taken down to be used for roughening construction of other beam ends. The product can be repeatedly used, improves the roughening construction efficiency of the beam end of the precast box beam, saves labor cost and time cost, and effectively protects the position of the beam end from the defect of edge and corner loss of the beam end caused by roughening construction.

Compared with the prior art, the utility model reduces the working procedure of manually performing corner snapping line before roughening the beam end, and after the utility model is used, the corner of the beam end can be effectively protected by only directly installing the clamp without snapping line before roughening, and the damage of the beam end corner caused by roughening construction compared with the prior art is prevented, thereby influencing the appearance quality of the box beam.

The device has the advantages of simple structure and convenient operation, all materials are common materials in the market, the resources are greatly saved, the construction efficiency is improved, the cost is reduced, the engineering quality and the construction technical level are improved, the working efficiency is improved, the labor is reduced, the cost is saved, and the device can be recycled for multiple times.

In the description of the present utility model, it should be noted that, for the azimuth terms, there are terms such as "center", "lateral", "longitudinal

References to orientation and positional relationships such as "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., are based on the orientation or positional relationships shown in the drawings, are merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the particular scope of protection of the present utility model.

It should be noted that the terms "comprises" and "comprising," along with any variations thereof, in the description and claims of the present utility model are intended to cover a non-exclusive inclusion, such as a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or apparatus.

Note that the above is only a preferred embodiment of the present utility model and uses technical principles. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the present utility model has been described in connection with the above embodiments, it is to be understood that the utility model is not limited to the specific embodiments disclosed and that many other and equally effective embodiments may be devised without departing from the spirit of the utility model, and the scope thereof is determined by the scope of the appended claims.

Claims (7)

1. A movable roughening edge protection clamp for a box girder end is characterized in that: including a plurality of L type fixture units, the width of the short portion of L type fixture unit is the same with the bullet line reserved width size, through the L type fixture unit of multiple different length, carries out cladding setting to each corner position of case roof beam end position, still including clamping device for the L type fixture unit on the corresponding side arris of same case roof beam body cladding is fixed, avoids its and side arris to break away from.

2. The movable chiseling edge protector clamp for the end of the box girder according to claim 1, wherein: the clamping device comprises fixing rings transversely arranged on the outer end faces of the short parts of the L-shaped clamp units, and bolts and nuts which are matched with each other, and the bolts penetrate through the fixing rings transversely arranged on the outer end faces of the short parts of the two L-shaped clamp units and are locked through the nuts, so that the two L-shaped clamp units are fixed.

3. The movable chiseling edge protector clamp for the end of the box girder according to claim 2, wherein: the lengths of the L-shaped clamp units are different.

4. A box girder end movable type roughening edge protection clamp according to claim 3, characterized in that: the bottom of the fixed ring is provided with a through hole, the outer end face of the short part of the L-shaped clamp unit is vertically provided with a fixed rod, and the bottom of the fixed ring is rotatably arranged with the fixed rod through the through hole.

5. The movable chiseling edge protector clamp for the end of the box girder according to claim 4, wherein: the short parts of the L-shaped clamp units are respectively provided with a connecting part for connecting with each other, so that the adjacent L-shaped clamp units can be conveniently hung and limited from head to tail.

6. The movable chiseling edge protector clamp for the end of the box girder according to claim 5, wherein: the connecting part adopts a hook, the hook at the upper end of the same L-shaped clamp unit is horizontally arranged, and the hook at the lower end is vertically arranged.

7. The movable chiseling edge protector clamp for the end of the box girder according to claim 6, wherein: the hook is a deep U-shaped hook.