Low-temperature-resistant prestressed anchorage device

By incorporating insulation sleeves and clamps into prestressed anchors, the problem of anchors being unable to withstand external forces in low-temperature environments is solved, thus achieving stability and tight fixation of the anchors.

CN223753191UActive Publication Date: 2026-01-02HANGZHOU ZHEMAO TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520147459.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2026-01-02
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

Existing prestressed anchorages are not resistant to external forces in low-temperature environments, making them difficult to secure and inconvenient to operate.

Method used

A low-temperature resistant prestressed anchor was designed. The anchor shell is protected by an insulation sleeve, and the stability of the steel strand is enhanced by structures such as clamps, fixing rings, screw holes and fixing bolts.

Benefits of technology

This achieves stability and tight fixation of the anchorage in low-temperature environments, enhancing the low-temperature resistance of the steel strand.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a low temperature resistant pre-stressed anchorage device which comprises a fixing structure, a plurality of groups of steel strands are embedded in the fixing structure, an anchorage device main body is fixedly installed on the surface of one side of the fixing structure, a reinforcing structure is fixedly installed on the surface of one side of the anchorage device main body, and the reinforcing structure is fixedly installed on the surface of the other side of the anchorage device main body. The position, located on one side of the reinforcing structure, of the surface of the steel strand is sleeved with a limiting plate, the fixing structure comprises an anchor bearing plate, a spiral bar and a prestressed pipeline, the prestressed pipeline is fixedly installed on the surface of one side of the anchor bearing plate, and the position, located on the surface of the prestressed pipeline, of the surface of one side of the anchor bearing plate is sleeved with the spiral bar. The anchorage device body comprises a heat preservation sleeve, an anchorage device shell, a first screw hole and a through hole, and the anchorage device shell is installed in the heat preservation sleeve in a sleeved mode. According to the low-temperature-resistant pre-stressed anchorage device, heat preservation treatment can be conducted on the anchorage device, and the fixing stability of the steel strand can be enhanced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pre -stressed anchorage device technical field, especially in a kind of low temperature pre -stressed anchorage device. BACKGROUND

[0002] ‌Pre -stressed anchorage device is a kind of anchorage device for concrete pre -stressed tension, usually in engineering construction process is used, especially in bridge construction is common,‌Pre -stressed anchorage device is installed in advance in bridge construction positioning, then pouring concrete, bury in the both ends of concrete, to provide the stable effect of jack when tension, the main role of pre -stressed anchorage device is to keep the tension of pre -stressed tendon in post-tensioned structure or component and transmit it to the inside of concrete, this kind of anchorage device is permanent, can provide stable support and fixing effect in various engineering;

[0003] Anchorage device is in outdoor when using, is greatly influenced by external force, is not low temperature resistant, when fixed, it is not easy to operate, it is difficult to fix closely, for this purpose, we propose a kind of low temperature pre -stressed anchorage device. INVENTION CONTENTS

[0004] The main purpose of the utility model is to provide a kind of low temperature pre -stressed anchorage device, can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0006] A kind of low temperature pre -stressed anchorage device, including fixed structure, the inside of the fixed structure is embedded with the installation of steel strand, the steel strand is multiple, the surface of one side of the fixed structure is fixedly installed with anchorage device main body, the surface of one side of the anchorage device main body is fixedly installed with reinforcing structure, the surface of steel strand is located in the side of reinforcing structure and is installed with limit board.

[0007] Further, the fixed structure includes anchor pad, spiral rib, pre -stressed pipeline, the surface of one side of the anchor pad is fixedly installed with pre -stressed pipeline, the surface of one side of the anchor pad is located in the surface of pre -stressed pipeline and is installed with spiral rib.

[0008] Further, the anchorage device main body includes heat preservation sleeve, anchorage device shell, first screw hole, through -hole, the inside of the heat preservation sleeve is installed with anchorage device shell, the surface of one side of the anchorage device shell is located at edge position and is provided with first screw hole, the first screw hole is multiple, the surface of one side of the anchorage device shell is provided with through -hole, the through -hole is multiple.

[0009] Further, the heat preservation sleeve is fixedly installed on the surface of one side of anchor pad, and the steel strand is embedded and installed in the inside of pre -stressed pipeline, anchor pad and through -hole.

[0010] Further, the reinforcing structure comprises a circular plate, a fixing ring, a clamping piece, a second screw hole and a fixing bolt, the fixing ring is in multiple groups, the clamping piece is fixedly installed on one side surface of the fixing ring, the second screw hole is arranged on one side surface of the circular plate at an edge position, and the second screw hole is in multiple groups.

[0011] Further, the clamping piece is respectively sleeved and installed on the surface of the steel strand and located inside the through hole, the circular plate is located on one side of the anchor housing, and the fixing bolt is embeddedly installed inside the second screw hole and the first screw hole, and the fixing bolt is in multiple groups.

[0012] To sum up, due to the adoption of the above technical scheme, the beneficial effects of the present application are as follows:

[0013] 1. The heat preservation sleeve can protect the anchor housing and has the low-temperature resistance effect.

[0014] 2. The clamping piece position can be reinforced by the clamping piece, the fixing ring, the first screw hole, the second screw hole, the fixing bolt and the circular plate, so that the stability of the entire steel strand is enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is an overall structure schematic view of the low-temperature-resistant prestressed anchor device.

[0016] Figure 2 It is a front view of the fixing structure of the low-temperature-resistant prestressed anchor device.

[0017] Figure 3 It is a sectional view of the anchor housing of the low-temperature-resistant prestressed anchor device.

[0018] Figure 4 It is a sectional view of the fixing ring of the low-temperature-resistant prestressed anchor device.

[0019] Figure 5 It is a sectional view of the fixing ring of the low-temperature-resistant prestressed anchor device. Figure 3 It is a sectional view of the fixing ring of the low-temperature-resistant prestressed anchor device.

[0020] In the figure: 1, fixing structure; 101, anchor pad; 102, spiral rib; 103, prestressed pipeline; 2, anchor main body; 201, heat preservation sleeve; 202, anchor housing; 203, first screw hole; 204, through hole; 3, limiting plate; 4, steel strand; 5, reinforcing structure; 501, circular plate; 502, fixing ring; 503, clamping piece; 504, second screw hole; 505, fixing bolt. DETAILED DESCRIPTION

[0021] To make the purposes, technical solutions, and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0022] With reference to Figures 1-5 The low-temperature-resistant prestressed anchor device comprises a fixing structure 1, a steel strand 4 embedded and installed in the fixing structure 1, the steel strand 4 being in multiple groups, an anchor device main body 2 fixedly installed on one side surface of the fixing structure 1, a reinforcing structure 5 fixedly installed on one side surface of the anchor device main body 2, and a limiting plate 3 sleeved and installed on one side of the surface of the steel strand 4.

[0023] In a preferred embodiment, the fixing structure 1 comprises an anchor pad 101, a spiral rib 102, and a prestressed pipeline 103, the prestressed pipeline 103 is fixedly installed on one side surface of the anchor pad 101, and the spiral rib 102 is sleeved and installed on the surface of the prestressed pipeline 103 on one side surface of the anchor pad 101.

[0024] In a preferred embodiment, the anchor device main body 2 comprises a heat preservation sleeve 201, an anchor device shell 202, a first screw hole 203, and a through hole 204, the anchor device shell 202 is sleeved and installed in the heat preservation sleeve 201, the heat preservation sleeve 201 is made of a heat preservation material and can protect the anchor device shell 202, thereby playing a low-temperature-resistant role, the first screw hole 203 is formed on one side surface of the anchor device shell 202 at an edge position, the first screw hole 203 is in multiple groups, and the through hole 204 is formed on one side surface of the anchor device shell 202, the through hole 204 being in multiple groups.

[0025] In a preferred embodiment, the heat preservation sleeve 201 is fixedly installed on one side surface of the anchor pad 101, and the steel strand 4 is embedded and installed in the interior of the prestressed pipeline 103, the anchor pad 101, and the through hole 204.

[0026] In a preferred embodiment, the reinforcing structure 5 comprises a circular plate 501, a fixing ring 502, a clamping piece 503, a second screw hole 504, and a fixing bolt 505, the fixing ring 502 is in multiple groups, the fixing ring 502 is fixedly installed on one side surface of the clamping piece 503, the clamping piece 503 is conical and can be embedded into the interior of the through hole 204, and the second screw hole 504 is formed on one side surface of the circular plate 501 at an edge position, the second screw hole 504 being in multiple groups.

[0027] In a preferred embodiment, the clamping pieces 503 are sleeved and mounted on the surface of the steel strand 4 and located inside the through hole 204, the round plate 501 is located on one side of the anchorage shell 202, and the fixing bolts 505 are embedded and mounted inside the second screw hole 504 and the first screw hole 203, and the fixing bolts 505 are in multiple groups.

[0028] The steel strand 4 is embedded into the inside of the anchor pad 101 and the prestressed pipe 103, the anchorage shell 202 is fixed on one side of the anchor pad 101, so that the steel strand 4 is embedded into the inside of the through hole 204, the fixing ring 502 is placed on one side of the anchorage shell 202, so that the clamping pieces 503 are sleeved on the surface of the steel strand 4 and embedded into the inside of the through hole 204, the round plate 501 is sleeved on the surface of the steel strand 4, and the fixing bolts 505 are embedded into the inside of the second screw hole 504 and the first screw hole 203 for fixing.

[0029] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A low temperature resistant prestressed anchor, characterized in that: The utility model provides fixing structure (1), the inside of fixing structure (1) is installed with steel strand (4), steel strand (4) is multiple groups, the side surface of fixing structure (1) is fixedly installed with anchor main part (2), the side surface of anchor main part (2) is fixedly installed with reinforcing structure (5), the surface of steel strand (4) is located one side of reinforcing structure (5) and is installed with limit board (3).

2. The low temperature resistant prestressed anchor device according to claim 1, characterized in that: The fixing structure (1) comprises an anchor pad (101), a spiral rib (102) and a prestressed pipe (103), the prestressed pipe (103) is fixedly installed on one side surface of the anchor pad (101), and the spiral rib (102) is sleeved and installed on the surface of the prestressed pipe (103) on one side surface of the anchor pad (101).

3. The low temperature resistant prestressed anchor device according to claim 2, characterized in that: The anchor main part (2) comprises a heat preservation sleeve (201), an anchor shell (202), a first screw hole (203) and a through hole (204), the anchor shell (202) is sleeved and installed in the heat preservation sleeve (201), a first screw hole (203) is formed at an edge position on one side surface of the anchor shell (202), the first screw hole (203) is multiple groups, and a through hole (204) is formed on one side surface of the anchor shell (202), the through hole (204) is multiple groups.

4. The low temperature resistant prestressed anchor device of claim 3, wherein: The heat preservation sleeve (201) is fixedly installed on one side surface of the anchor pad (101), and the steel strand (4) is embeddedly installed in the prestressed pipe (103), the anchor pad (101) and the through hole (204).

5. The low temperature resistant prestressed anchor device of claim 4, wherein: The reinforcing structure (5) comprises a circular plate (501), a fixed ring (502), a clamping piece (503), a second screw hole (504) and a fixed bolt (505), the fixed ring (502) is multiple groups, the clamping piece (503) is fixedly installed on one side surface of the fixed ring (502), a second screw hole (504) is formed at an edge position on one side surface of the circular plate (501), and the second screw hole (504) is multiple groups.

6. The low temperature resistant prestressed anchor as claimed in claim 5, wherein: The clamping piece (503) is respectively sleeved and installed on the surface of the steel strand (4) and located in the through hole (204), the circular plate (501) is located on one side of the anchor shell (202), the fixed bolt (505) is embeddedly installed in the second screw hole (504) and the first screw hole (203), and the fixed bolt (505) is multiple groups.