CN212247873U - Durable sling anchoring structure - Google Patents
Durable sling anchoring structure Download PDFInfo
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- CN212247873U CN212247873U CN202020321267.1U CN202020321267U CN212247873U CN 212247873 U CN212247873 U CN 212247873U CN 202020321267 U CN202020321267 U CN 202020321267U CN 212247873 U CN212247873 U CN 212247873U
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- cable body
- extension cylinder
- waterproof cover
- annular waterproof
- sling
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Abstract
The utility model relates to a durable sling anchoring structure, which comprises an anchor cup and an annular waterproof sleeve, wherein the front end of an anchoring cavity of the anchor cup is integrally formed into an extension cylinder, a cable body passes through the extension cylinder and is anchored in the anchoring cavity, and a sealing filler is filled in a gap between the cable body and the extension cylinder; the end of the extension cylinder is sealed by the annular waterproof cover, a sealing ring is arranged on the matching surface of the annular waterproof cover and the cable body or the annular waterproof cover is directly welded outside the cable body, the sealing ring is arranged on the matching surface of the annular waterproof cover and the extension cylinder, and the sealing ring is arranged on the matching surface of the extension cylinder and the cable body. The utility model discloses a hoist cable anchor structural component is few, and the connection structure of part is few, and overall structure is more stable, and anti deformability is strong, and sealed effect is more firm.
Description
Technical Field
The utility model relates to an anchor structure of steel wire bundle hoist cable.
Background
The suspension bridge sling, particularly a short sling, is limited by a structural system, the stress of the sling is very complex, the mid-span position is easy to form bending damage due to the fact that the mid-span position is swung by a beam in the transverse bridge direction and the bridge direction, the sealing structure fails to work to form corrosion fatigue damage due to the fact that the bending damage is easily formed at the combination position of a cable body at the lower end of the mid-span short sling and an anchor cup, and the existing sling anchor structural system needs to be redesigned and optimized to find a structure capable of fully meeting the use requirements of the existing short sling at the mid-span position of the suspension.
The anchoring structure of the sling body in the sling body structure disclosed in the publication No. CN108316145A mainly comprises a connecting cylinder and an anchor cup, wherein the sling body is stripped and then passes through the connecting cylinder and is hammerlike dispersed and anchored in the anchor cup. The sling structure disclosed in publication No. CN110130221A also uses a connecting tube and an anchor cup to anchor the end of the cable. The combination position of the cable body at the lower end of the sling and the anchor cup is in threaded connection, and sealing is formed by welding a flange plate on a connecting cylinder and then extruding an O-shaped ring.
The connecting cylinder is in threaded connection with the anchor cup, and the joint of the connecting cylinder and the anchor cup is sealed by welding a flange plate on the connecting cylinder and then extruding an O-shaped ring. The connection structure of the connecting cylinder and the anchor cup is easily damaged by bending, and further the failure of the sealing structure is caused, so that the corrosion fatigue damage is caused.
At present, the rope end sealing structure of most slings is a sealing cover riveted by half bolts. According to actual conditions, the sealing effect of the sealing cover is greatly influenced by construction and bridge vibration, particularly, a short suspension cable at the midspan of a suspension bridge has a service working condition of high-frequency vibration and large deflection of a beam end, and a bolt of the sealing cover is easily loosened and sealed effectively under the influence of vibration and deflection.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hoist cable anchor structure reforms transform in order to save the connecting cylinder through the structure to the anchor cup, lets the hoist cable body directly be connected with the anchor cup, has improved the anti bending deformation ability of hoist cable anchor end.
The utility model provides a technical scheme that above-mentioned problem adopted does: a durable sling anchoring structure comprises an anchor cup and an annular waterproof sleeve, wherein the front end of an anchoring cavity of the anchor cup is integrally formed into an extension tube, a cable body penetrates through the extension tube and is anchored in the anchoring cavity, and a sealing filler is filled in a gap between the cable body and the extension tube; the end of the extension cylinder is sealed by the annular waterproof cover, a sealing ring is arranged on the matching surface of the annular waterproof cover and the cable body or the annular waterproof cover is directly welded outside the cable body, the sealing ring is arranged on the matching surface of the annular waterproof cover and the extension cylinder, and the sealing ring is arranged on the matching surface of the extension cylinder and the cable body.
Preferably, the length of the extension cylinder is 50-250 mm.
Preferably, the gap between the cable body and the inner wall of the extension cylinder is 5-30 mm, so that sealing filler is conveniently filled.
Preferably, the sealing ring is an extruded special-shaped rubber ring, the assembling compression rate is 5% -20%, and the sealing effect is ensured.
Typically, the strands of the cable spread out in a conical shape and are anchored in the anchoring cavity of the anchor cup.
Compared with the prior art, the utility model has the advantages of:
(1) the extension cylinder is adopted to replace the original connecting cylinder device, the extension cylinder and the anchor cup are of an integrally formed non-connecting structure, the sling cable body and the anchor cup are integrally connected, and the reliability of the connecting position is improved to the maximum extent.
(2) The waterproof cover adopts the integrated into one piece's circle type, replaces half Harvard formula structure, has also improved the structural reliability of waterproof cover, has effectively guaranteed the sealing reliability between waterproof cover and cable body.
Drawings
FIG. 1 is a schematic view of a cable anchor arrangement according to an embodiment of the present invention;
in the figure, 1 an anchor cup, 2 an extension cylinder, 3 an annular waterproof cover, 4 sealing fillers, 5 cable bodies and 6 sealing rings.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1, the sling anchoring structure in this embodiment mainly includes an anchor cup 1 and an annular waterproof cover 2, the rear end of the anchor cup is a conical anchoring cavity, the front end of the anchoring cavity is an extension tube 2 with a length of 50mm to 250mm, and the extension tube 2 is integrally formed with the anchoring cavity as a part of the anchor cup 1.
The cable body 6 penetrates through the extension cylinder 2 and is anchored in the anchoring cavity, and the cable body 5 in the anchoring cavity is anchored in the anchoring cavity in a conical dispersed steel wire bundle after the sheath is stripped off. The cable body part in the extension cylinder 2 is stripped of the sheath, and is sealed in the extension cylinder 2 by adopting a sealing filler 4, and the gap between the extension cylinder 2 and the cable body 5 is controlled to be 5-30 mm.
The end part of the extension cylinder 2 is sealed by an annular waterproof cover 3, the annular waterproof cover 3 is sleeved at the end part of the extension cylinder 2, a special-shaped rubber sealing ring 6 is arranged on the matching surface of the annular waterproof cover 3 and the extension cylinder 2, the compression ratio is controlled to be 5% -20%, a special-shaped rubber sealing ring 6 is arranged on the matching surface of the extension cylinder 2 and the cable body 5, and the compression ratio is controlled to be 5% -20%.
The annular waterproof sleeve has two forms: one is a metal type: the waterproof cable is integrally processed at one time, compared with a traditional half-and-half riveting structure, the integral structure is more reliable, the matching surface of the annular waterproof sleeve 3 and the cable body 5 adopts the special-shaped rubber sealing ring 6, and the compression rate is controlled to be 5% -20%; the second is a non-metal type: the typical material is high-density polyethylene material, can be directly welded outside the cable body 5 to directly realize the sealing of the annular waterproof cover 3 and the cable body 5, and the welding strength is required to be not less than 80% of the strength of the body.
The sling anchoring structure with the structure has the advantages that the number of parts is small, the connecting structures among the parts are reduced, the overall structure is more stable, the deformation resistance is strong, and the sealing effect is more firm.
Although the preferred embodiments of the present invention have been described in detail hereinabove, it should be clearly understood that modifications and variations of the present invention are possible to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A durable sling anchoring structure, characterized in that: the cable body penetrates through the extension cylinder and then is anchored in the anchoring cavity, and a sealing filler is filled in a gap between the cable body and the extension cylinder; the end part of the extension cylinder is sealed by an annular waterproof cover, a sealing ring is arranged on the matching surface of the annular waterproof cover and the cable body or the annular waterproof cover is directly welded outside the cable body, the matching surface of the annular waterproof cover and the extension cylinder is provided with the sealing ring, and the matching surface of the extension cylinder and the cable body is provided with the sealing ring.
2. The durable sling anchoring structure of claim 1, wherein: the length of the extension cylinder is 50-250 mm.
3. The durable sling anchoring structure of claim 1, wherein: the gap between the cable body and the inner wall of the extension cylinder is 5-30 mm.
4. The durable sling anchoring structure of claim 1, wherein: the sealing ring is an extruded special-shaped rubber ring, and the assembling compression rate is 5% -20%.
5. The durable sling anchoring structure of claim 1, wherein: the steel wire bundles of the cable body are dispersed into a cone shape and anchored in the anchoring cavity of the anchor cup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020321267.1U CN212247873U (en) | 2020-03-14 | 2020-03-14 | Durable sling anchoring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020321267.1U CN212247873U (en) | 2020-03-14 | 2020-03-14 | Durable sling anchoring structure |
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| Publication Number | Publication Date |
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| CN212247873U true CN212247873U (en) | 2020-12-29 |
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| CN202020321267.1U Active CN212247873U (en) | 2020-03-14 | 2020-03-14 | Durable sling anchoring structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111335164A (en) * | 2020-03-14 | 2020-06-26 | 江苏法尔胜缆索有限公司 | Durable sling anchoring structure |
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2020
- 2020-03-14 CN CN202020321267.1U patent/CN212247873U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111335164A (en) * | 2020-03-14 | 2020-06-26 | 江苏法尔胜缆索有限公司 | Durable sling anchoring structure |
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