CN221001657U - Marking plate assembly for steel strand wires and finished steel strand wires - Google Patents
Marking plate assembly for steel strand wires and finished steel strand wires Download PDFInfo
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- CN221001657U CN221001657U CN202323018698.3U CN202323018698U CN221001657U CN 221001657 U CN221001657 U CN 221001657U CN 202323018698 U CN202323018698 U CN 202323018698U CN 221001657 U CN221001657 U CN 221001657U
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- 239000003550 marker Substances 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
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- 238000004519 manufacturing process Methods 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
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- 238000000429 assembly Methods 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- 239000003365 glass fiber Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
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- 229920003052 natural elastomer Polymers 0.000 description 1
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Abstract
The utility model relates to a marking plate assembly for a steel strand bundle and a finished steel strand bundle, which comprises a first marking plate and a second marking plate, wherein a plurality of threading holes with numbers are correspondingly formed in the first marking plate and the second marking plate, so that the same steel strand can pass through the threading holes with the same numbers of the first marking plate and the second marking plate respectively; the thickness of the first marking plate is smaller than that of the second marking plate, the thickness T 1 of the first marking plate is 0.4-1.5mm, and the thickness T 2 of the second marking plate is 2T 1 -4T 1; the first marking plate comprises a first base material and a first reinforcing layer positioned in the first base material. The utility model can effectively number the steel strand wires and simultaneously respectively use the marking plates with different thicknesses according to the front end and the rear end of the steel strand wires, thereby being convenient for the shaping and encapsulation of the front end of the steel strand wires and smoothly penetrating into the prestressed duct, and providing enough strength for restraining the rear end of the steel strand wires.
Description
Technical Field
The utility model relates to the field of steel strand bundle processing, in particular to a marking plate assembly for a steel strand bundle and a finished steel strand bundle.
Background
In building construction of buildings and roads and bridges, prestress tensioning is often required to be carried out on finished steel strand bundles (also called as comb-woven bundles), corresponding prestress anchors are used during tensioning, and the anchors generally consist of backing plates, spiral ribs, anchor rings and clamping pieces. One end of the backing plate is fixed in the concrete member. The two ends of each steel strand respectively pass through the corresponding anchor ring holes. When the finished steel stranded wires are tensioned, tension is respectively applied to each steel stranded wire at two ends of the steel stranded wire through anchor rings. In the tensioning process, the anchor holes at the two ends of the steel strand are required to be mutually corresponding, and the steel strand root is parallel to the root, straightened and not wound.
However, in the prior art, after the steel strand is transported to a construction site, a constructor cuts the steel strand according to the required length, and then sequentially passes a single steel strand through the prestressed duct. This approach has a number of problems: 1. the steel strands can twist and wind each other when being threaded in the pore canal, after the threading is finished, the steel strands at two ends are generally difficult to correspond to each other one by one, so that when the prestress anchorage device is installed for tensioning subsequently, the stress among the steel strands is uneven easily, the prestress data can be deviated after tensioning, and the using effect is affected. 2. Each steel strand in the plurality of steel strands is respectively marked with a digital mark, and a corresponding anchor is installed according to the digital mark after the threading is finished; the steps are complicated, when the anchor is installed, it is difficult to ensure that each steel strand corresponds to anchor locating holes at two ends, and the field application is inconvenient.
The utility model patent CN203547023U discloses a marking plate for a finished steel strand bundle, wherein the marking plate has two marking plates with the same structure, and a plurality of through holes which correspond to the number of single steel strands in the finished steel strand bundle and can penetrate through a plurality of single steel strands are arranged on the marking plate; a mark for displaying the position of the mark plate is arranged on the side surface of the mark plate; the two marking plates are respectively positioned at two ends of the finished steel strand bundle. The beneficial effects of the utility model are as follows: the steel strand wire harness can ensure that the positions of the steel strands between the prestress anchors at the two ends of the finished steel strand wire harness correspond to each other, the steel strands are relatively parallel and are not wound, dislocation can not occur when the steel strands are tensioned, and the mutual stress among the steel strands is uniform. The marking plate group has a certain constraint and numbering function on the steel strand bundle, but the requirement of the steel strand bundle in actual construction is not fully considered, the steel strand bundle has the difference between the front end and the rear end when passing through the prestressed duct, and if two marking plates with larger thickness are used, the front end of the steel strand bundle entering the duct is greatly blocked; if two marking plates with smaller thickness are used, because the strength and tear resistance of the marking plates are insufficient, the steel strand wires of the steel strand wires are likely to tear the marking plates to generate disorder or even danger of the steel strand wires due to the tension effect of the steel strand wires in the coiling transportation process, so that the marking plates with the same structure and common materials are difficult to meet the requirements of a plurality of links such as production, transportation and construction of the steel strand wires.
Therefore, what kind of marking plate assembly is provided, so that the marking plate assembly can provide a simple and effective numbering function for the steel strand bundles, is convenient for the construction efficiency and quality of the steel strand bundles, has high mechanical strength and tear resistance simultaneously, ensures that each steel strand is smooth and not wound under the conditions of bending, rolling, transportation, storage and the like of the steel strand bundles, and is a problem to be solved urgently by the person skilled in the art.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model aims to provide a marking plate assembly for a steel strand bundle and a finished steel strand bundle, wherein marking plates with different thicknesses can be respectively used according to the front end and the rear end of the steel strand bundle while the steel strand bundle is effectively numbered, so that the front end of the steel strand bundle can conveniently penetrate into a prestressed duct, and enough strength can be provided for restraining the rear end of the steel strand bundle.
In a first aspect, the utility model discloses a marking plate assembly for a steel strand bundle, which comprises a first marking plate and a second marking plate, wherein a plurality of threading holes with numbers are correspondingly formed in the first marking plate and the second marking plate, so that the same steel strand can respectively pass through the threading holes with the same numbers of the first marking plate and the second marking plate; the thickness of the first marking plate is smaller than that of the second marking plate, the thickness T 1 of the first marking plate is 0.4-1.5mm, and the thickness T 2 of the second marking plate is 2T 1 -4T 1; the first marking plate comprises a first base material and a first reinforcing layer positioned in the first base material.
Preferably, the thickness of the second indicia sheet is from 1 to 4mm, more preferably from 1.5 to 2.5mm. The second marking plate is large in thickness, high in mechanical strength and tear resistance, smooth and unspooled steel strands of the steel strand bundles under the conditions of bending, rolling, transportation, storage and the like are guaranteed, and the steel strand bundles are not easy to tear by the steel strands moving relatively, so that the steel strand bundles are popped up to cause danger.
Preferably, the thickness T 1 of the first sign board is 0.6-0.8mm. The first marking plate with small thickness, high strength and high flexibility is adopted, and after the steel stranded wires pass through the marking plate and enter the prestressed duct together, the marking plate does not influence the perforation movement of the steel stranded wires.
Preferably, the second marking plate comprises a second substrate and a second reinforcing layer positioned in the second substrate.
Preferably, the first substrate and/or the second substrate are/is an elastic material. The elastic material is preferably a rubber material, and natural rubber, synthetic rubber, thermoplastic elastomer, etc. can be selected according to the requirements of elasticity, strength, use environment, etc.
Preferably, the first reinforcing layer and the second reinforcing layer are at least one selected from a woven fabric and a non-woven fabric. The fabric or the non-woven fabric is at least one selected from carbon fiber, glass fiber, synthetic polymer fiber and natural fiber. The material has the advantages of light specific gravity, high strength, good elastic modulus, good corrosion resistance and the like when used as a reinforcing layer, and is suitable for flexible marking plates.
The marking plate base material is made of elastic materials, and the characteristics of deformability and recovery deformation of the marking plate base material are utilized, so that unordered winding of a plurality of single steel strands in the links of winding, transportation, construction and the like is avoided, the relative position of each steel strand is kept in the perforation process of the steel strands, uneven stress among the single steel strands and winding among the single steel strands in the tensioning and winding processes of the steel strand bundles are effectively avoided, and stress deviation among the single steel strands in the finished steel strand bundles is reduced. The problem that the stress of each single steel strand is uneven during tensioning is avoided.
By design of the material and structure, the marking plate set of the utility model is actually preferably made of rubber-based fiber reinforced composite material, and two marking plates with different thicknesses are designed according to the requirements of use.
Preferably, the first side of the first marking plate is provided with the number, and the second side of the second marking plate is provided with the number, and the first side and the second side are in mirror symmetry. When the novel steel strand wire harness number arranging device is used, the first side face, provided with the number, of the first marking plate faces to the direction of the front end face of the steel strand wire harness, so that a constructor can clearly see the number from the front end, the second side face, provided with the number, of the second marking plate faces to the direction of the rear end face of the steel strand wire harness, so that the constructor can clearly see the number from the rear end, and in the arrangement mode, the number sequences on the first side face and the second side face are in mirror symmetry. In addition, the first and second marking plates may be provided with numbers on both side surfaces, as needed.
In a second aspect, the utility model provides a finished steel strand bundle comprising the marking plate assembly, which comprises a plurality of steel strands, wherein the same steel strand respectively passes through threading holes with the same numbers of the first marking plate and the second marking plate, and the first marking plate and the second marking plate are respectively sleeved at two ends of the steel strand.
Preferably, the first marking plate is arranged at the front end of the steel strand, and the second marking plate is arranged at the rear end of the steel strand;
the finished steel strand bundle further comprises a tightening part, a winding part and/or a heat sealing part, and the first marking plate and the front end of the steel strand are fixed or encapsulated into an integral structure.
To facilitate perforation, the steel strand front end is preferably shaped to form a more integral front end structure, which may be treated with a tightening element, a wrapping element, and/or a heat sealing element, etc. In combination with the front end structure, the first marking plate with a smaller thickness is preferably arranged in the front end area of the steel strand bundle (the front end area can be an area with a length of 10-50mm away from the front end face of the steel strand bundle, for example), so that the first marking plate and the front end of the steel strand are fixed/packaged into an integral structure by a tightening part, a winding part and/or a heat sealing part, the abrasion of the first marking plate is reduced, the steel strand number can still be clearly displayed after perforation and disassembly, the site construction is convenient, and the integral perforation efficiency is improved. On the contrary, the first marking plate is arranged to be an elastic structure with a smaller thickness, so that the fixing/packaging and disassembling difficulties can be reduced.
Preferably, the diameters of the threading holes of the first marking plate and the second marking plate are 0.2-0.6mm larger than the outer diameter of the steel strand. The proper outer diameter difference is selected, and the elasticity and the strength displayed by the peripheral materials of the threading hole are combined, so that the threading Kong Jinjin can bind the penetrated steel strands, and the tearing and the damage of the holes due to the back and forth swing of the steel strands are prevented.
Compared with the prior art, the utility model has the following advantages:
1. According to the utility model, marking plate assemblies with different thicknesses are provided according to the difference of demands in the production, transportation and construction of the steel strand bundles, and the marking plate assemblies are respectively used for the front end and the rear end of the steel strand bundles, so that the front end of the steel strand bundles can conveniently penetrate into a prestressed duct while the steel strand bundles are effectively numbered, and enough strength can be provided for restraining the rear end of the steel strand bundles.
2. The marking plate component adopts a composite structure of the base material and the reinforcing layer, ensures that the marking plate has better mechanical strength, is resistant to bending and tearing, can bear various forces and torques generated in the production, transportation and construction processes of the steel stranded wires, and ensures the relative smooth positions among the steel stranded wires. The marking plate can also be used as a reference surface in a finished steel strand bundle system to provide positioning and mounting references for other parts, so that the accuracy and stability of the whole system are ensured.
Drawings
The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present disclosure will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. Several embodiments of the present disclosure are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which like reference numerals refer to similar or corresponding parts and in which:
fig. 1 is a schematic view of the structure of a finished steel strand according to the present utility model;
FIG. 2 is a schematic illustration of a first embodiment of a sign board assembly of the present utility model;
FIG. 3 is a schematic diagram of a second embodiment of a sign board assembly according to the present utility model.
Reference numerals illustrate: 1-steel strand bundle, 2-first mark plate, 3-second mark plate, 4-tightening steel ring and 100-finished steel strand bundle.
Detailed Description
Figures 1-3 of the drawings in the embodiments of the utility model are described below; the technical scheme in the embodiment is clearly and completely described; it is apparent that the described embodiments are only a few of the embodiments of the present utility model; but not all embodiments, are based on embodiments in the present utility model; all other embodiments obtained by those skilled in the art without undue burden; all falling within the scope of the present utility model.
A marker plate assembly for a steel strand 1 comprising:
(1) A first marking plate 2 having a thickness of 0.4-1.5mm, preferably 0.6-0.8mm, on which a plurality of threading holes having a number are provided, and the number is provided at least on a first side surface thereof; the first marking plate 2 comprises a first base material and a first reinforcing layer positioned in the first base material;
(2) The thickness of the second sign board 3 is 1-4mm, preferably 1.5-2.5mm, and the thickness of the second sign board 3 can be estimated to be about 2-4 times the thickness of the first sign board 2. A plurality of threading holes with numbers are also arranged on the second marking plate 3, and the numbers are at least arranged on the second side surface of the second marking plate; the first side surface and the second side surface are in mirror symmetry, and the numbers of the threading holes on the second marking plate 3 are in one-to-one correspondence with the numbers of the threading holes on the first marking plate 2, so that the same steel strand penetrates through the threading holes with the same numbers of the first marking plate 2 and the second marking plate 3 respectively; the second marking plate 3 comprises a second substrate and a second reinforcing layer arranged in the second substrate.
The first reinforcing layer and the second reinforcing layer are at least one selected from fabrics and non-woven fabrics. The fiber is at least one selected from carbon fiber, glass fiber, synthetic polymer fiber and natural fiber.
A finished steel strand 100 comprising the aforementioned marker panel assembly comprises a plurality of steel strands, a first marker panel 2 and a second marker panel 3;
The same steel strand in the finished steel strand bundle 100 passes through threading holes with the same numbers of the first marking plate 2 and the second marking plate 3 respectively, and the first marking plate 2 and the second marking plate 3 are sleeved at two ends of the steel strand respectively; the first marking plate 2 with the smaller thickness is sleeved at the front end of the steel strand, and the second marking plate 3 with the thicker thickness is sleeved at the rear end of the steel strand; the finished steel strand 100 further includes a tightening element, a wrapping element, and/or a heat sealing element, with which the first marker plate 2 and the front end of the steel strand are fixed or encapsulated as a unitary structure. And the diameters of the threading holes of the first marking plate 2 and the second marking plate 3 are 0.2-0.6mm larger than the outer diameter of the steel strand.
Example 1
A finished steel strand comprising a marker panel assembly comprising a plurality of steel strands and a marker panel assembly comprising a first marker panel 2 and a second marker panel 3, see fig. 2:
(1) The first marking plate 2 has a thickness of 0.6mm, 15 threading holes with numbers are arranged on the first marking plate, and the numbers are arranged on the first side surface of the first marking plate; the first marking plate 2 comprises a first rubber base material and a first fiber reinforced layer positioned in the first rubber base material;
(2) The second marking plate 3 is 2mm in thickness, 15 threading holes with numbers are formed in the second marking plate, and the numbers are formed in the second side face of the second marking plate; the first side surface and the second side surface are in mirror symmetry, and the numbers of the threading holes on the second marking plate 3 are in one-to-one correspondence with the numbers of the threading holes on the first marking plate 2, so that the same steel strand penetrates through the threading holes with the same numbers of the first marking plate 2 and the second marking plate 3 respectively; the second marking sheet 3 comprises a second rubber substrate and a second fiber reinforced layer in the second rubber substrate.
The elasticity of the first rubber substrate is higher than that of the second rubber substrate, and the first fiber reinforcement layer and the second fiber reinforcement layer are both natural fibrilia fabrics. The composite structure of the marking plate is prepared by the following steps:
S1, placing a rubber material and a fiber material into a hot press for hot press molding;
s2, cutting and punching to prepare marking plates with required sizes and the number and distribution of threading holes;
S3, embossing threading holes are numbered, and the marking plate is vulcanized.
The same steel strand in the finished steel strand bundle 100 passes through the threading holes with the same numbers of the first marking plate 2 and the second marking plate 3 respectively, the first marking plate 2 with thinner thickness is sleeved on the front end area of the steel strand, and the second marking plate 3 with thicker thickness is sleeved on the rear end area of the steel strand.
The diameters of the threading holes of the first marking plate 2 and the second marking plate 3 are 0.3 plus or minus 0.05mm larger than the outer diameters of the steel strands.
Example 2
The finished steel strand bundle 100 comprises a steel strand bundle 1 formed by a plurality of steel strands, a marking plate assembly and a tightening component, wherein the marking plate assembly comprises a first marking plate 2 and a second marking plate 3 which are respectively sleeved at the front end and the rear end of the steel strands, wherein the front end of the steel strand sleeved with the first marking plate 2 with a thinner thickness is tightened and fixed by the tightening component; specifically, the method comprises the following steps:
(1) The first marking plate 2 has the thickness of 0.7mm, 22 threading holes with numbers are arranged on the first marking plate, and the numbers are arranged on the first side surface of the first marking plate; the first marking plate 2 comprises a first rubber base material and a first fiber reinforced layer positioned in the first rubber base material;
(2) The second marking plate 3 is 2.5mm in thickness, 22 threading holes with numbers are formed in the second marking plate, and the numbers are formed in the second side face of the second marking plate; the first side surface and the second side surface are in mirror symmetry, the numbers of the threading holes on the second marking plate 3 are in one-to-one correspondence with the numbers of the threading holes on the first marking plate 2, and referring to fig. 3, the same steel strand passes through the threading holes with the same numbers of the first marking plate 2 and the second marking plate 3 respectively; the second marking sheet 3 comprises a second rubber substrate and a second fiber reinforced layer in the second rubber substrate.
The elasticity of the first rubber substrate is higher than that of the second rubber substrate, and the first fiber reinforcement layer and the second fiber reinforcement layer are both natural fibrilia fabrics. The composite structure of the marking plate is prepared by the following steps:
S1, placing a rubber material and a fiber material into a hot press for hot press molding;
s2, cutting and punching to prepare marking plates with required sizes and the number and distribution of threading holes;
S3, embossing threading holes are numbered, and the marking plate is vulcanized.
(3) A steel strand bundle 1 formed by a plurality of steel strands, wherein the same steel strand in the steel strand bundle 1 respectively passes through threading holes with the same numbers of a first marking plate 2 and a second marking plate 3, the first marking plate 2 with a thinner thickness is sleeved at the front end area of the steel strand, and the second marking plate 3 with a thicker thickness is sleeved at the rear end area of the steel strand; the diameters of the threading holes of the first marking plate 2 and the second marking plate 3 are 0.3 plus or minus 0.05mm larger than the outer diameters of the steel strands;
(4) The tightening part, such as the tightening steel ring 4, is used for setting the first marking plate 2 with a thinner thickness in the front end area of the steel strand bundle, the distance from the front end surface of the steel strand bundle is about 30mm, the tightening steel ring 4 with a width of 8cm is used for tightening the steel strand in the front end area of the steel strand bundle, the first marking plate 2 is positioned on the inner side of the tightening steel ring 4 facing the main body part of the steel strand bundle 1 and is at least partially extruded and tightened between the tightening steel ring 4 and the steel strand bundle 1, the extruded first marking plate 2 not only can fill the gap between the steel strand bundle 1 and the tightening steel ring 4 to prevent sliding, but also can more smoothly move in the prestressed hole through the restraint and the protection of the tightening steel ring 4 to reduce abrasion, and the figure 1 is seen.
The foregoing description of the preferred embodiments of the present utility model has been presented for purposes of clarity and understanding, and is not intended to limit the utility model to the particular embodiments disclosed, but is intended to cover all modifications, alternatives, and improvements within the spirit and scope of the utility model as outlined by the appended claims.
Claims (10)
1. The marking plate assembly for the steel strand wires is characterized by comprising a first marking plate and a second marking plate, wherein a plurality of threading holes with numbers are correspondingly formed in the first marking plate and the second marking plate, so that the same steel strand wires respectively pass through the threading holes with the same numbers of the first marking plate and the second marking plate;
The thickness of the first marking plate is smaller than that of the second marking plate, the thickness T 1 of the first marking plate is 0.4-1.5mm, and the thickness T 2 of the second marking plate is 2T 1 -4T 1;
the first marking plate comprises a first base material and a first reinforcing layer positioned in the first base material.
2. The sign board assembly of claim 1, wherein the thickness T 2 of the second sign board is 1-4mm.
3. The sign board assembly of claim 1 or claim 2, wherein the first sign board has a thickness T 1 of 0.6-0.8mm.
4. The sign board assembly of claim 3, wherein the second sign board comprises a second substrate and a second reinforcing layer disposed in the second substrate.
5. The sign board assembly of claim 4, wherein the first substrate and/or the second substrate is an elastomeric material.
6. The sign board assembly of claim 4, wherein the first reinforcing layer and the second reinforcing layer are selected from at least one of a fabric and a nonwoven fabric.
7. The sign board assembly of claim 1 or claim 2, wherein the first sign board has a first side and the second sign board has a second side, the first side and the second side being mirror images.
8. A finished steel strand comprising the marking plate assembly of any one of claims 1 to 7, comprising a plurality of steel strands, the same steel strand passing through the same threading holes of the first marking plate and the second marking plate respectively, and the first marking plate and the second marking plate being respectively sleeved at two ends of the steel strands.
9. The finished steel strand bundle of claim 8, wherein the first marker plate is disposed at a front end of the steel strand and the second marker plate is disposed at a rear end of the steel strand;
the finished steel strand bundle further comprises a tightening part, a winding part and/or a heat sealing part, and the first marking plate and the front end of the steel strand are fixed or encapsulated into an integral structure.
10. A finished steel strand according to claim 8 or 9, wherein the diameter of the threading holes of the first and second marker plates is 0.2-0.6mm greater than the outer diameter of the steel strand.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202323018698.3U CN221001657U (en) | 2023-11-09 | 2023-11-09 | Marking plate assembly for steel strand wires and finished steel strand wires |
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Application Number | Priority Date | Filing Date | Title |
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CN202323018698.3U CN221001657U (en) | 2023-11-09 | 2023-11-09 | Marking plate assembly for steel strand wires and finished steel strand wires |
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CN221001657U true CN221001657U (en) | 2024-05-24 |
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CN202323018698.3U Active CN221001657U (en) | 2023-11-09 | 2023-11-09 | Marking plate assembly for steel strand wires and finished steel strand wires |
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