CN203547023U

CN203547023U - Mark plates for finished steel strand bundle

Info

Publication number: CN203547023U
Application number: CN201320479112.0U
Authority: CN
Inventors: 牛坡
Original assignee: Tianjin Shinkuntai Advanced Prestressing Technology Co Ltd
Current assignee: Tianjin Shinkuntai Advanced Prestressing Technology Co Ltd
Priority date: 2013-08-06
Filing date: 2013-08-06
Publication date: 2014-04-16
Anticipated expiration: 2023-08-06

Abstract

The utility model discloses mark plates for a finished steel strand bundle. Generally two mark plates with the same structures are provided. A plurality of by virtue of holes capable of enabling a plurality of single steel strands in the finished steel strand bundle to penetrate by virtue of are formed in the mark plates, and the number of the by virtue of holes corresponds to the number of the single steel strands; marks for displaying places where the mark plates are positioned are arranged on the side surfaces of the mark plates; the two mark plates are respectively positioned at two ends of the finished steel strand bundle. The mark plates for the finished steel strand bundle have the beneficial effects that the positions of all the steel strands between prestress anchors at the two ends of the finished steel strand bundle correspond to one another, all the steel strands are relatively parallel to one another and are not wound with one another; during tensioning of all the steel strands, malposition can be avoided; mutual stress among the steel strands is uniform, the prestress data are accurate, the structure is simple, manufacturing and use are facilitated, and the construction efficiency of on-site tensioning of the prestress steel strands can be effectively improved.

Description

The mark plate that a kind of finished product steel wire bundle is used

Technical field

The utility model relates to many reinforcing bars are assembled to the mark plate of indicating every reinforcement location after bunchys, particularly be the mark plate that a kind of finished product steel wire bundle is used.

Background technology

In to building, road and bridge building operations; often can need the finished product steel wire bundle (claiming again " comb is compiled bundle ") to bunchy to carry out prestressed stretch-draw; during stretch-draw, use corresponding prestressed anchor, ground tackle is generally comprised of backing plate, spiral bar, anchor ring and intermediate plate.One end of backing plate is fixed in concrete component.The two ends of every steel strand are respectively through corresponding anchor ring hole.When finished steel twisted wire is carried out to stretch-draw, by anchor ring, at two of steel strand, respectively every steel strand are applied to pulling force.In the process of stretch-draw, require the mutual correspondence in ground tackle hole at steel strand two ends and steel strand root parallel with root, make in order, be not wound around.

In existing technology, at the radical of steel strand many and distance longer, between many steel strand, easily occur be wound around or intersect.After finished product steel wire bundle has been bored a hole, when the suit ground tackle of finished product steel wire bundle two ends, be difficult to find the relevant position of every steel strand.When finished product steel wire bundle is applied to prestressing force, can make unbalance stress between each steel strand like this, also can cause the deviation of prestressing force data, affect result of use; Stressed large steel strand easily cause early fatigue fracture, cause prestressing force to be lost, and then cause that the downwarp of beam body even collapses after chain reaction.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of can correct labeling finished steel twisted wire the position of intrafascicular every steel strand, for follow-up, pack in prestressed anchor and correct stretch-draw prestressing force ground tackle the mark plate that a kind of finished product steel wire bundle that every steel strand give security is used into.

The technical scheme solving the problems of the technologies described above is: the mark plate that a kind of finished product steel wire bundle is used, described mark plate has identical two of structure, has corresponding with the intrafascicular single steel strand radical of finished steel twisted wire and can run through multiple through holes of multiple single steel strands on mark plate; On described mark plate side, be provided with the mark that shows its orientation of living in; Described two mark plates lay respectively at the two ends of finished product steel wire bundle.

Optimal technical scheme is: described mark plate is flexible board, is convenient to be fixed on finished product steel wire bundle two ends.

Optimal technical scheme is: described mark plate be labeled as figure or letter or word.

The beneficial effects of the utility model are: the utility model overcomes the shortcoming of prior art, and advantage of the present utility model is as follows:

1) the utility model can guarantee the position correspondence of each steel strand between finished product steel wire bundle two ends prestressed anchor, each steel strand opposing parallel, be not wound around, when each steel strand of stretch-draw, there will not be between dislocation, each steel strand mutually stressed evenly, prestressing force data are accurate, result of use good.

2) the utility model mark plated construction is simple, makes to use all to facilitate, and can effectively improve the efficiency of construction of the on-the-spot stretch-draw of prestress wire.

Accompanying drawing explanation

Fig. 1 is that the utility model mark plate is assemblied in structural representation on finished product steel wire bundle;

Fig. 2 is first embodiment left view of mark plate in Fig. 1;

Fig. 3 is left view in Fig. 2;

Fig. 4 is second embodiment left view of mark plate in Fig. 1.

Sequence number explanation > > in < < accompanying drawing

1: finished product steel wire bundle; 1a: single steel strand; 2: mark plate; 2a: pictorial symbolization; 2b: alphabetic flag; 2c: through hole; 3: banding ring.

The specific embodiment

Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.

Fig. 1 is that the utility model mark plate is assemblied in structural representation on finished product steel wire bundle; Fig. 2 is first embodiment left view of mark plate in Fig. 1; Fig. 3 is left view in Fig. 2; Fig. 4 is second embodiment left view of mark plate in Fig. 1.

The utility model provides a kind of mark plate 2 of finished product steel wire bundle 1 use, and described mark plate 2 has identical two of structure, has corresponding with single steel strand 1a radical in finished product steel wire bundle 1 and can run through multiple through hole 2c of multiple single steel strands on mark plate 2; On described mark plate 2 sides, be provided with the mark that shows its orientation of living in; Described two mark plates 2 are positioned at finished product steel wire bundle 1 two ends.

Described mark plate 2 is flexible board, is convenient to be fixed on finished product steel wire bundle two ends.Described flexible board is flexiplast, flameproof fabric.

Described mark plate 2 be labeled as pictorial symbolization 2a, alphabetic flag 2b, word.Pictorial symbolization on mark plate 2 is preferably with bearing mark, as shown in Figure 2 triangle or arrow; Alphabetic flag 2b on mark plate 2 as: with U, D, the V of bearing mark; Word marking on mark plate 2 is not as: upper and lower, left and right (figure looks).

In particular, as shown in Figures 1 to 4, the utility model is that one is made into two mark plates 2 that use on product steel wire bundle (comb is compiled bundle) 1, described mark plate 2 is the flexible thin plastic plate with through hole 2c, through hole 2c quantity in the present embodiment on mark plate 2 is 9, and in practical application, the quantity of through hole 2c is corresponding with the radical of single steel strand 1a in finished product steel wire bundle 1.The size of through hole 2c on mark plate 2 so that single steel strand 1a through and do not become flexible for well.

Triangular pattern mark 2a is all printed at upper and lower two ends, side in two mark plate 2 outsides, and two leg-of-mutton directions are identical, must guarantee to be sleeved on two mark plate orientation at finished product steel wire bundle two ends identical during use.

When reality is used, after many prestressing force finished product steel wire bundles are put in order, mark plate 2 is enclosed within respectively apart from one segment distance place, finished product steel wire bundle 1 end, makes every steel strand through the through hole on corresponding mark plate.

When installing, note making the orientation of two mark plates identical, for example, can make to represent on mark plate two triangle arrow 2a in orientation upward simultaneously, can guarantee that so every intrafascicular steel strand of finished steel twisted wire are parallel to each other, are not wound around when stretch-draw.After mark plate 2 installs, banding ring 3 and tow lug (not shown) are loaded onto in the one end that need to draw at finished product steel wire bundle, finished product steel wire bundle is at prestressed pore passage, be after wearing in bellows and having sent, unload banding ring 2 and the tow lug of finished product steel wire bundle end, position according to the orientation 2a of two endmarker plates limits, on finished product steel wire bundle, load onto prestressed anchor respectively, can guarantee like this position correspondence of each steel strand between finished product steel wire bundle two ends prestressed anchor, opposing parallel, be not wound around, when each steel strand of stretch-draw, there will not be dislocation, mutual unbalance stress between each steel strand, prestressing force data deviation, affect the defect of result of use.

Above an embodiment of the present utility model is had been described in detail, but described content is only a preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.Such as on mark plate, adopt no mark to indicate that orientation, mark plate adopt different materials and thickness etc. there is no substantial innovation, within all should belonging to covering scope of the present utility model.

Claims

1. the mark plate that finished product steel wire bundle is used, is characterized in that, described mark plate has identical two of structure, has corresponding with the intrafascicular single steel strand radical of finished steel twisted wire and can run through multiple through holes of multiple single steel strands on mark plate; On described mark plate side, be provided with the mark that shows its orientation of living in; Described two mark plates lay respectively at the two ends of finished product steel wire bundle.

2. the mark plate of using according to a kind of finished product steel wire bundle described in claim 1, is characterized in that, described mark plate is fixed on finished product steel wire bundle two ends.

3. the mark plate of using according to a kind of finished product steel wire bundle described in claim 1, is characterized in that, described mark plate is the plate with through hole, and the number of openings on mark plate is 9.