Retard-bonded prestressed steel strand with anti-collision function

Abstract

The utility model relates to the technical field of steel strands, in particular to a retard-bonded prestressed steel strand with an anti-collision function, which comprises two groups of retard-bonded prestressed steel strand bodies. A connector is installed at the connected ends of the two sets of retard-bonded prestressed steel strand bodies, and the parts, at the left ends of the two sets of retard-bonded prestressed steel strand bodies, of the retard-bonded prestressed steel strand bodies are movably sleeved with first connecting sleeves. And the retard-bonded prestressed steel strand bodies at the right ends of the two groups of retard-bonded prestressed steel strand bodies are movably sleeved with second connecting sleeves. When the two groups of retard-bonded prestressed steel strand bodies are fixedly connected together through the connector, the two groups of retard-bonded prestressed steel strand bodies are fixedly connected together through the first connecting sleeve and the second connecting sleeve and are sleeved on the connector; and impact force is reduced when the joint of the two groups of retard-bonded prestressed steel strand bodies is impacted through two groups of anti-collision sleeves and a plurality of groups of springs on the outer walls of the first connecting sleeve and the second connecting sleeve.

Description

Technical Field

[0001] The utility model relates to the technical field of steel strands, in particular to a slow-bonding prestressed steel strand with an anti-collision function. Background Art

[0002] Steel strand is a steel product composed of multiple steel wires twisted together. The surface of carbon steel can be added with galvanized layer, zinc-aluminum alloy layer, aluminum layer, copper layer, epoxy resin coating, etc. as needed. According to the use, it is classified into prestressed steel strand, galvanized steel strand (for power) and stainless steel strand. Among them, prestressed steel strand coated with anti-corrosion grease or paraffin and then wrapped with HDPE is called unbonded prestressed steel strand. Prestressed steel strand is also made of galvanized or galvanized aluminum alloy steel wire, and slow-bonding prestressed steel strand is one of the prestressed steel strands. The existing slow-bonding prestressed steel strands are connected together by connectors, but the connectors used for connecting slow-bonding prestressed steel strands are generally threaded and locked, so that the slow-bonding prestressed steel strands are easy to loosen when they are hit when connected together, resulting in disconnection at the connection of the two groups of slow-bonding prestressed steel strands, and the anti-collision effect is not enough. For this reason, we propose a slow-bonding prestressed steel strand with anti-collision function to solve the above problems. Utility Model Content

[0003] The purpose of the utility model is to provide a slow-bonding prestressed steel strand with an anti-collision function, so as to solve the problem proposed in the above-mentioned background technology that the slow-bonding prestressed steel strands are easily loosened when impacted when connected together, thereby causing disconnection at the connection between the two groups of slow-bonding prestressed steel strands and insufficient anti-collision effect.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a slow-bonding prestressed steel strand with anti-collision function, comprising two groups of slow-bonding prestressed steel strand bodies;

[0005] A connector is installed at one end where the two groups of slow-bonding prestressed steel strand bodies are connected, a first connecting sleeve is movably sleeved on the slow-bonding prestressed steel strand bodies at the left ends of the two groups of slow-bonding prestressed steel strand bodies, and a second connecting sleeve is movably sleeved on the slow-bonding prestressed steel strand bodies at the right ends of the two groups of slow-bonding prestressed steel strand bodies, a threaded sleeve is arranged on the right side of the first connecting sleeve, a threaded groove is arranged in the left end of the second connecting sleeve, and anti-collision components are arranged on the outer walls of the first connecting sleeve and the second connecting sleeve.

[0006] Preferably, the anti-collision assembly includes two groups of anti-collision sleeves, which are fixedly mounted on the outer walls of the first connecting sleeve and the second connecting sleeve, and multiple groups of springs are annularly mounted between the inner walls of the opposite ends of the two groups of anti-collision sleeves and the outer walls of the first connecting sleeve and the second connecting sleeve.

[0007] Preferably, the opposite ends of the two groups of anti-collision sleeves are fixedly connected to the outer walls of the first connecting sleeve and the second connecting sleeve, and the inner wall diameters of the opposite ends of the two groups of anti-collision sleeves are larger than the outer wall diameters of the first connecting sleeve and the second connecting sleeve.

[0008] Preferably, the outer walls of the two groups of anti-collision covers are glued with first protective covers, and the two groups of first protective covers are made of rubber material.

[0009] Preferably, a second protective sleeve is provided on the left side of the first connecting sleeve and the right side of the second connecting sleeve. After the inner wall diameter of the second protective sleeve is larger than the outer wall of the slow-bonding prestressed steel strand body, two groups of the second protective sleeves are sleeved on the second protective sleeve.

[0010] Preferably, the inner wall diameters of the first connecting sleeve and the second connecting sleeve are the same as the outer wall diameter of the connector, and the inner walls of the first connecting sleeve and the second connecting sleeve are in close contact with the outer wall of the connector.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: when the utility model fixes two groups of slow-bonding prestressed steel strand bodies together through a connector, they are fixed together through a first connecting sleeve and a second connecting sleeve and are sleeved on the connector, and two groups of anti-collision sleeves and multiple groups of springs on the outer walls of the first connecting sleeve and the second connecting sleeve are used to reduce the impact force when the connection between the two groups of slow-bonding prestressed steel strand bodies is impacted, thereby preventing the connector from loosening due to impact and disconnecting the two groups of slow-bonding prestressed steel strand bodies, thereby improving the protection and anti-collision effect of the connection between the two groups of slow-bonding prestressed steel strand bodies. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of the utility model;

[0015] Figure 3 It is a schematic diagram of a front cross-section of the structure of the utility model;

[0016] Figure 4 For this utility model Figure 3 A is a partial enlarged schematic diagram of the middle part.

[0017] In the figure: 1. slow-bonding prestressed steel strand body; 2. connector; 3. first connecting sleeve; 4. second connecting sleeve; 5. threaded sleeve; 6. threaded groove; 7. anti-collision sleeve; 8. spring; 9. first protective sleeve; 10. second protective sleeve. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4 , the utility model provides an embodiment: a slow-bonding prestressed steel strand with anti-collision function, comprising two groups of slow-bonding prestressed steel strand bodies 1;

[0020] A connector 2 is installed at one end where two groups of slow-bonding prestressed steel strand bodies 1 are connected, a first connecting sleeve 3 is movably sleeved on the slow-bonding prestressed steel strand bodies 1 at the left ends of the two groups of slow-bonding prestressed steel strand bodies 1, a second connecting sleeve 4 is movably sleeved on the slow-bonding prestressed steel strand bodies 1 at the right ends of the two groups of slow-bonding prestressed steel strand bodies 1, a threaded sleeve 5 is arranged on the right side of the first connecting sleeve 3, a threaded groove 6 is arranged in the left end of the second connecting sleeve 4, and anti-collision components are arranged on the outer walls of the first connecting sleeve 3 and the second connecting sleeve 4. When the device connects the two groups of slow-bonding prestressed steel strand bodies 1 together through the connector 2, the first connecting sleeve 3 and the second connecting sleeve 4 are sleeved on the connector 2, and the anti-collision component is used to protect the connection between the two groups of slow-bonding prestressed steel strand bodies 1 by the connector 2;

[0021] Furthermore, the anti-collision component includes two groups of anti-collision sleeves 7, and the two groups of anti-collision sleeves 7 are fixedly installed on the outer walls of the first connecting sleeve 3 and the second connecting sleeve 4. Multiple groups of springs 8 are annularly installed between the inner walls of the opposite ends of the two groups of anti-collision sleeves 7 and the outer walls of the first connecting sleeve 3 and the second connecting sleeve 4. After this structure connects the first connecting sleeve 3 and the second connecting sleeve 4 to the connector 2, the two groups of anti-collision sleeves 7 are squeezed toward the first connecting sleeve 3 and the second connecting sleeve 4 by impact, and the two groups of anti-collision sleeves 7 reduce the impact force through the multiple groups of springs 8.

[0022] Furthermore, the opposite ends of the two groups of anti-collision sleeves 7 are fixedly connected to the outer walls of the first connecting sleeve 3 and the second connecting sleeve 4, and the inner wall diameters of the opposite ends of the two groups of anti-collision sleeves 7 are larger than the outer wall diameters of the first connecting sleeve 3 and the second connecting sleeve 4. This structure is based on the inner wall diameters of the left and right ends of the two groups of anti-collision sleeves 7, so that the opposite ends of the two groups of anti-collision sleeves 7 are fixedly connected to the first connecting sleeve 3 and the second connecting sleeve 4, and multiple groups of springs 8 are installed in the space between the relatively movable inner walls of the two groups of anti-collision sleeves 7 and the outer walls of the first connecting sleeve 3 and the second connecting sleeve 4.

[0023] Furthermore, the outer walls of the two groups of anti-collision covers 7 are glued with first protective covers 9, and the two groups of first protective covers 9 are made of rubber material. This structure uses the first protective covers 9 on the outer walls of the two groups of anti-collision covers 7 to avoid wear when the two groups of anti-collision covers 7 collide.

[0024] Furthermore, a second protective sleeve 10 is provided on the left side of the first connecting sleeve 3 and the right side of the second connecting sleeve 4. After the inner wall diameter of the second protective sleeve 10 is larger than the outer wall of the slow-bonding prestressed steel strand body 1, two groups of second protective sleeves 10 are sleeved on the second protective sleeve 10. This structure protects the outer walls of the two groups of slow-bonding prestressed steel strand bodies 1 through the two groups of second protective sleeves 10 to prevent the slow-bonding prestressed steel strand body 1 from being worn due to the sliding of foreign objects.

[0025] Furthermore, the inner wall diameter of the first connecting sleeve 3 and the second connecting sleeve 4 is the same as the outer wall diameter of the connector 2, and the inner walls of the first connecting sleeve 3 and the second connecting sleeve 4 fit closely with the outer wall of the connector 2. This structure is based on the diameter size of the inner walls of the first connecting sleeve 3 and the second connecting sleeve 4 and the outer wall of the connector 2, so that the first connecting sleeve 3 and the second connecting sleeve 4 can fit closely with the outer wall of the connector 2 when connected together.

[0026] Working principle: After two sets of slow-bonding prestressed steel strand bodies 1 are connected together through connectors 2, Figure 2 , Figure 3 and Figure 4 As shown, the first connecting sleeve 3 and the second connecting sleeve 4 are movably sleeved on the connector 2, and the threaded sleeve 5 at the right end of the first connecting sleeve 3 is movably inserted into the threaded groove 6 at the left end of the second connecting sleeve 4, so that the first connecting sleeve 3 and the second connecting sleeve 4 are fixedly sleeved on the connector 2. When the two groups of slow-bonding prestressed steel strand bodies 1 are impacted at the connection point of the connector 2, the anti-collision sleeves 7 on the outer walls of the first connecting sleeve 3 and the second connecting sleeve 4 are impacted and squeezed toward the outer walls of the first connecting sleeve 3 and the second connecting sleeve 4. The force generated by the impact and extrusion of the two groups of anti-collision sleeves 7 is reduced by multiple groups of springs 8. The above is the entire working principle of the utility model.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A slow-bonding prestressed steel strand with an anti-collision function, comprising two groups of slow-bonding prestressed steel strand bodies (1); Features: A connector (2) is installed at one end of the two groups of slow-bonding prestressed steel strand bodies (1) connected, a first connecting sleeve (3) is movably sleeved on the slow-bonding prestressed steel strand bodies (1) at the left ends of the two groups of slow-bonding prestressed steel strand bodies (1), a second connecting sleeve (4) is movably sleeved on the slow-bonding prestressed steel strand bodies (1) at the right ends of the two groups of slow-bonding prestressed steel strand bodies (1), a threaded sleeve (5) is arranged on the right side of the first connecting sleeve (3), a threaded groove (6) is arranged in the left end of the second connecting sleeve (4), and anti-collision components are arranged on the outer walls of the first connecting sleeve (3) and the second connecting sleeve (4).

2. The slow-bonding prestressed steel strand with anti-collision function according to claim 1, characterized in that: The anti-collision assembly comprises two groups of anti-collision sleeves (7), the two groups of anti-collision sleeves (7) are fixedly mounted on the outer walls of the first connecting sleeve (3) and the second connecting sleeve (4), and a plurality of groups of springs (8) are annularly mounted between the inner walls of opposite ends of the two groups of anti-collision sleeves (7) and the outer walls of the first connecting sleeve (3) and the second connecting sleeve (4).

3. The slow-bonding prestressed steel strand with anti-collision function according to claim 2, characterized in that: The opposite ends of the two groups of anti-collision sleeves (7) are fixedly connected to the outer walls of the first connecting sleeve (3) and the second connecting sleeve (4), and the inner wall diameters of the opposite ends of the two groups of anti-collision sleeves (7) are larger than the outer wall diameters of the first connecting sleeve (3) and the second connecting sleeve (4).

4. The slow-bonding prestressed steel strand with anti-collision function according to claim 2, characterized in that: The outer walls of the two groups of anti-collision sleeves (7) are both glued with first protective sleeves (9), and the two groups of first protective sleeves (9) are both made of rubber material.

5. The slow-bonding prestressed steel strand with anti-collision function according to claim 1, characterized in that: A second protective sleeve (10) is provided on the left side of the first connecting sleeve (3) and on the right side of the second connecting sleeve (4); the inner wall diameter of the second protective sleeve (10) is larger than the outer wall of the slow-bonding prestressed steel strand body (1); and two groups of the second protective sleeves (10) are sleeved on the second protective sleeves (10).

6. The slow-bonding prestressed steel strand with anti-collision function according to claim 1, characterized in that: The inner wall diameters of the first connecting sleeve (3) and the second connecting sleeve (4) are the same as the outer wall diameter of the connector (2); the inner walls of the first connecting sleeve (3) and the second connecting sleeve (4) are in close contact with the outer wall of the connector (2).

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