Anti-abrasion protection device for steel wire rope of portal crane

By installing an oil reservoir and a permeation layer inside the protective connecting sleeve of the gantry crane wire rope, along with a permeation plate and wire mesh, the wear problem at the connection between the wire rope and the ferrule is solved, achieving effective use of lubricating oil and reducing the wear rate, thus extending the service life of the wire rope.

CN224091515UActive Publication Date: 2026-04-07JIANGSU SHANXIN HAIGONG TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-21
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

The existing gantry crane wire rope is prone to wear at the connection point with the auger ring, resulting in reduced service life and increased lifting risks. Furthermore, the lack of lubrication components exacerbates the wear.

Method used

An oil reservoir and a permeation layer are installed inside the protective connecting sleeve. Together with a permeation plate and wire mesh, lubricating oil is used to reduce the contact between the wire rope and the external environment. The lubricating oil is stored and sealed through a connecting pipe and a threaded plug. Anti-slip texture is combined to increase friction.

Benefits of technology

It effectively reduces the wear rate of wire ropes, extends their service life, and improves the wear resistance and safety of wire ropes through the penetration of lubricating oil and the protective effect of wire mesh.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224091515U_ABST
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Abstract

The utility model relates to the field of steel wire rope anti-abrasion protection devices, and discloses a portal crane steel wire rope anti-abrasion protection device. According to the device, a steel wire rope is arranged in a protective connecting sleeve, an oil storage tank is embedded in the inner wall of the protective connecting sleeve, a bottom box is arranged at the bottom end of the oil storage tank, a permeable layer is arranged in the bottom box, and a permeable plate is arranged on the portion, on the inner side contact face of the protective connecting sleeve, of the permeable layer; by arranging the lubricating assembly, direct contact between the steel wire rope and the external environment can be effectively reduced, the abrasion rate of the steel wire rope is reduced, the service life of the steel wire rope is prolonged, lubricating oil arranged in the oil storage tank can overflow outwards through cooperation of the permeation layer and the permeation plate, and the lubricating effect is improved. And the steel wire mesh can play a certain protection role when the lubricating oil overflows.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of steel wire rope anti-wear protection devices, in particular to a door machine steel wire rope anti-wear protection device. BACKGROUND

[0002] The portal crane is a bridge type crane supported on the ground track or foundation by two side legs. The steel wire rope is an important accessory of the portal crane, one end of which is connected with the lifting mechanism of the portal crane, and the other end is connected with the hook through the center ring and other components, so that the cargo can be lifted. During operation, if the cargo is in a small cabin or the deepest part of the cabin, the steel wire rope cannot be vertically lifted to the cargo, resulting in the phenomenon of the steel wire rope hanging in the cabin. Especially at the connection between the end of the steel wire rope and the center ring, since the diameter of the connecting column of the center ring end is larger than the diameter of the steel wire rope, the resistance when hanging in the cabin is increased, which easily leads to wear at the connection between the steel wire rope and the center ring, reducing the service life of the steel wire rope and increasing the lifting risk.

[0003] For example, the door machine steel wire rope anti-wear protection device disclosed in CN217603276U includes a connecting sleeve, one end of which is fixedly connected with a conical protective sleeve, the inside of the connecting sleeve is provided with a fixed connection hole, and the inside of the conical protective sleeve is provided with a steel wire rope connection hole in communication with the fixed connection hole; a plurality of sliding holes in communication with the fixed connection hole are arranged on the side wall of the connecting sleeve, a clamping block extending into the fixed connection hole is slidably installed in the sliding hole, and a spring abutting against one end of the clamping block is installed in the sliding hole; the conical protective sleeve is arranged at the connection between the steel wire rope and the center ring, forming a conical transition structure at the connection between the steel wire rope and the center ring, which reduces the resistance when hanging in the cabin, facilitates the lifting work of the portal crane equipment, and the conical protective sleeve can isolate and protect the steel wire rope at the connection, preventing the steel wire rope from directly contacting and rubbing with external objects when hanging in the cabin, thereby preventing the steel wire rope from being worn and improving the service life of the steel wire rope.

[0004] However, the inner surface of the protective connecting sleeve and the steel wire rope in the application is not provided with a lubricating component, which increases the wear of the structure and reduces the service life of the steel wire rope. Utility model content

[0005] The purpose of the present application is to solve the wear problem of the connecting sleeve and the steel wire rope as mentioned above, and to provide a door machine steel wire rope anti-wear protection device.

[0006] The technical scheme adopted by the present application is as follows: a door machine steel wire rope anti-abrasion protection device, comprising a protection connecting sleeve, a steel wire rope is arranged in the protection connecting sleeve, an oil storage tank is inlaid on the inner wall of the protection connecting sleeve, a bottom box is arranged at the bottom end of the oil storage tank, a permeation layer is arranged in the bottom box, a permeation plate is arranged on the inner side contact surface of the protection connecting sleeve, and a steel wire mesh is arranged on the surface of the protection connecting sleeve corresponding to the permeation plate.

[0007] By adopting the above technical scheme, the direct contact of the steel wire rope with the external environment is effectively reduced by arranging the lubricating assembly, the abrasion rate of the steel wire rope is reduced, and the service life of the steel wire rope is prolonged. The lubricating oil arranged in the oil storage tank can overflow to the outside through the permeation layer and the permeation plate, and the steel wire mesh can play a protective role when the lubricating oil overflows.

[0008] In a preferred embodiment, a tapered protection sleeve is arranged on the upper end surface of the protection connecting sleeve, a connecting pipe is arranged on the inner walls of the protection connecting sleeve and the tapered protection sleeve, one end of the connecting pipe is arranged on the surface of the oil storage tank, and a threaded plug is arranged on the surface of the tapered protection sleeve at the other end of the connecting pipe.

[0009] By adopting the above technical scheme, the connecting pipe can facilitate personnel to store lubricating oil in the oil storage tank, and the threaded plug can play a sealing role while preventing the lubricating oil from leaking out.

[0010] In a preferred embodiment, a plurality of sealing plugs are arranged on the surface of the protection connecting sleeve, and a centering ring is arranged at the bottom end of the steel wire rope.

[0011] By adopting the above technical scheme, the steel wire rope cooperates with the centering ring to facilitate the connection of other structures, and the protection connecting sleeve can play a protective role.

[0012] In a preferred embodiment, a sliding hole is arranged in the inner part of the sealing plug corresponding to the protection connecting sleeve, a limiting block is fixedly arranged at one end of the inner part of the sliding hole, and a clamping block is movably arranged in the inner part of the sliding hole.

[0013] By adopting the above technical scheme, the sliding hole can facilitate the placement and sliding of the clamping block, the limiting block can play a limiting role, and the sealing plug can play a sealing role.

[0014] In a preferred embodiment, a spring is arranged on one side surface of the clamping block, and a sliding block is fixedly connected to the other end of the spring.

[0015] By adopting the above technical scheme, when the sliding block slides, the spring cooperatively arranged can adjust the pressure of the spring on the clamping block, so as to adjust the clamping force of the structure on the steel wire rope.

[0016] In a preferred embodiment, the sliding block is connected with an inner hexagonal hole on one side surface of the sealing plug through a connecting rod, and the inner hexagonal hole is threadedly connected with the surface of the sliding hole.

[0017] By adopting the above technical scheme, the staff can adjust other structures by threadedly rotating the inner hexagonal hole, cooperating with the connecting rod and the sliding block, thereby facilitating the work of subsequent components.

[0018] In a preferred embodiment, the outer surface of the protective connecting sleeve is provided with anti-skid lines.

[0019] By adopting the above technical scheme, the anti-skid lines arranged on the surface of the protective connecting sleeve can increase the friction.

[0020] In summary, due to the adoption of the above technical scheme, the beneficial effects of the present application are:

[0021] In the present application, the lubricating assembly can effectively reduce the direct contact of the steel wire rope with the external environment, reduce the wear rate of the steel wire rope, and prolong the service life of the steel wire rope. The lubricating oil arranged inside the oil storage tank can overflow outside through the penetration layer and the penetration plate, and the steel wire mesh can play a protective role when the lubricating oil overflows. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 The figure is a schematic diagram of the main structure of the door machine steel wire rope anti-wear protection device of the present application.

[0023] Figure 2 The figure is a schematic diagram of the internal cross-sectional structure of the protective connecting sleeve in the present application.

[0024] Figure 3 The figure is a schematic diagram of the lubricating assembly structure in the present application.

[0025] Figure 4 The figure is a schematic diagram of the internal clamping block structure of the connecting sleeve in the present application.

[0026] Markings in the figure: 1, protective connecting sleeve; 2, center ring; 3, steel wire rope; 4, conical protective sleeve; 5, sealing plug; 6, threaded plug; 7, oil storage tank; 8, bottom box; 9, penetration layer; 10, penetration plate; 11, steel wire mesh; 12, sliding hole; 13, connecting pipe; 14, clamping block; 15, spring; 16, limiting block; 17, sliding block; 18, inner hexagonal hole. DETAILED DESCRIPTION

[0027] 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 in conjunction with 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 persons of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0028] Embodiment:

[0029] With reference to Figures 1-3 A door machine steel wire rope wear protection device, comprising a protection connecting sleeve 1, the inside of the protection connecting sleeve 1 is provided with a steel wire rope 3, and the inner wall of the protection connecting sleeve 1 is inlaid with an oil storage tank 7, the bottom end of the oil storage tank 7 is provided with a bottom box 8, the inside of the bottom box 8 is provided with a permeation layer 9, and the permeation layer 9 is provided with a permeation plate 10 on the inner side contact surface of the protection connecting sleeve 1, and the surface of the protection connecting sleeve 1 corresponding to the permeation plate 10 is provided with a steel wire mesh 11. By setting the lubricating assembly, the direct contact of the steel wire rope with the external environment can be effectively reduced, the wear rate of the steel wire rope is reduced, and the service life of the steel wire rope is prolonged. The lubricating oil arranged in the oil storage tank 7 can overflow to the outside through the cooperation of the permeation layer 9 and the permeation plate 10, and the steel wire mesh 11 arranged when the lubricating oil overflows can play a certain protective role.

[0030] With reference to Figures 1-3 The upper end surface of the protection connecting sleeve 1 is provided with a conical protection sleeve 4, the inner walls of the protection connecting sleeve 1 and the conical protection sleeve 4 are provided with a connecting pipe 13, one end of the connecting pipe 13 is arranged on the surface of the oil storage tank 7, and the other end of the connecting pipe 13 is provided with a threaded plug 6 on the surface of the conical protection sleeve 4. The arranged connecting pipe 13 can facilitate personnel to store lubricating oil in the inside of the oil storage tank 7, and the threaded plug 6 arranged can play a sealing role and prevent the lubricating oil from leaking out at the same time.

[0031] With reference to Figure 1 The surface of the protection connecting sleeve 1 is provided with a plurality of sealing plugs 5, and the bottom end of the steel wire rope 3 is provided with a heart ring 2. The arrangement of the steel wire rope 3 cooperates with the heart ring 2 to facilitate the connection of other structures, and the arrangement of the protection connecting sleeve 1 can play a protective role.

[0032] With reference to Figures 1-4 The inside of the sealing plug 5 corresponding to the protection connecting sleeve 1 is provided with a sliding hole 12, one end inside the sliding hole 12 is fixedly provided with a limiting block 16, and the inside of the sliding hole 12 is movably provided with a clamping block 14. The arranged sliding hole 12 can facilitate the placement and sliding of the clamping block 14, the limiting block 16 arranged can play a limiting role, and the sealing plug 5 arranged can play a sealing role.

[0033] With reference to Figures 1-4The side surface of the clamping block 14 is provided with a spring 15, the other end of the spring 15 is fixedly connected with a sliding block 17, the cooperatively arranged spring 15 can adjust the pressure of the spring 15 on the clamping block 14 when the sliding block 17 slides, so as to adjust the clamping force of the structure on the steel wire rope.

[0034] With reference to Figures 1-4 The sliding block 17 is connected with an internal hexagonal hole 18 through a connecting rod on one side surface of the sealing plug 5, and the internal hexagonal hole 18 is threadedly connected with the surface of the sliding hole 12, the staff can adjust other structures by threadedly rotating the internal hexagonal hole 18 cooperated with the connecting rod and the sliding block 17, so as to facilitate the work of the subsequent components.

[0035] With reference to Figure 1 The outer surface of the protection connecting sleeve 1 is provided with anti-skid lines, and the plurality of anti-skid lines arranged on the surface of the protection connecting sleeve 1 can increase the friction effect.

[0036] The implementation principle of the door machine steel wire rope anti-abrasion protection device embodiment is:

[0037] The lubricating assembly can effectively reduce the direct contact between the steel wire rope and the external environment, reduce the abrasion rate of the steel wire rope, and prolong the service life of the steel wire rope. The lubricating oil arranged in the oil storage tank 7 can overflow outside through the penetration layer 9 cooperated with the penetration plate 10, and the steel wire mesh 11 arranged outside the lubricating oil can play a certain protection role when the lubricating oil overflows.

[0038] 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 they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; 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 wear-resistant protection device for gantry crane wire rope, comprising a protective connecting sleeve (1), characterized in that: The protective connecting sleeve (1) is provided with a steel wire rope (3) inside, and an oil storage tank (7) is embedded in the inner wall of the protective connecting sleeve (1). A bottom box (8) is provided at the bottom end of the oil storage tank (7). A permeable layer (9) is provided inside the bottom box (8). A permeable plate (10) is provided on the inner contact surface of the permeable layer (9) of the protective connecting sleeve (1). A steel wire mesh (11) is provided on the surface of the protective connecting sleeve (1) corresponding to the permeable plate (10).

2. The anti-wear protection device for gantry crane wire rope as described in claim 1, characterized in that: The upper surface of the protective connecting sleeve (1) is provided with a conical protective sleeve (4), and the inner walls of the protective connecting sleeve (1) and the conical protective sleeve (4) are provided with a connecting pipe (13). One end of the connecting pipe (13) is provided on the surface of the oil storage tank (7), and the other end of the connecting pipe (13) is provided with a threaded plug (6) on the surface of the conical protective sleeve (4).

3. The anti-wear protection device for gantry crane wire rope as described in claim 1, characterized in that: The surface of the protective connecting sleeve (1) is provided with multiple sealing plugs (5), and the bottom end of the wire rope (3) is provided with a heart-shaped ring (2).

4. The anti-wear protection device for gantry crane wire rope as described in claim 3, characterized in that: The sealing plug (5) has a sliding hole (12) inside the protective connecting sleeve (1), and a limit block (16) is fixedly provided at one end of the sliding hole (12), and a clamping block (14) is movably provided inside the sliding hole (12).

5. The anti-wear protection device for gantry crane wire rope as described in claim 4, characterized in that: A spring (15) is provided on one side surface of the clamping block (14), and a sliding block (17) is fixedly connected to the other end of the spring (15).

6. The anti-wear protection device for gantry crane wire rope as described in claim 5, characterized in that: The sliding block (17) has an internal hexagonal hole (18) connected to one side surface of the sealing plug (5) via a connecting rod, and the internal hexagonal hole (18) is threaded to the surface of the sliding hole (12).

7. The anti-wear protection device for gantry crane wire rope as described in claim 1, characterized in that: The outer surface of the protective connecting sleeve (1) is provided with anti-slip texture.

Citation Information

Patent Citations

  • Anti-abrasion protection device for steel wire rope of portal crane

    CN217603276U