CN219450440U - Riding type rope clamp steel wire rope sling protection device - Google Patents
Riding type rope clamp steel wire rope sling protection device Download PDFInfo
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- CN219450440U CN219450440U CN202223361951.0U CN202223361951U CN219450440U CN 219450440 U CN219450440 U CN 219450440U CN 202223361951 U CN202223361951 U CN 202223361951U CN 219450440 U CN219450440 U CN 219450440U
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- wire rope
- sling
- steel wire
- protection
- protection part
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Abstract
The utility model relates to the technical field of construction of main cables of suspension bridges, in particular to a riding type cable clamp steel wire rope sling protection device, which at least comprises a cable clamp connected to the main cable, wherein a plurality of steel wire rope slings are connected to the cable clamp, a protection mechanism for reducing friction between the steel wire rope slings and the cable clamp is arranged at the contact area of the steel wire rope slings and the cable clamp, and comprises a first protection part and a second protection part, and the first protection part and the second protection part are symmetrically sleeved on the steel wire rope slings through connecting parts; the first protection part and the second protection part are sleeved on the steel wire rope sling, so that the damage to the outer surface of the cable clamp and the steel wire rope sling caused by friction generated by direct contact between the steel wire rope sling and the outer surface of the cable clamp can be avoided, the service life is prolonged, and the safety coefficient of the steel wire rope sling is improved.
Description
Technical Field
The utility model relates to the technical field of construction of main cables of suspension bridges, in particular to a riding type cable clamp steel wire rope sling protection device.
Background
Suspension bridge slings are in the form of steel booms, parallel wire bundles, wire ropes, and the like. Compared with the slings in the other two forms, the steel wire rope has the advantages of high strength, light weight, torsion resistance and good bending resistance, and the steel wire rope sling is a technical development trend.
The wire rope sling generally adopts a riding type cable clamp, namely, the wire rope is anchored on a main girder of a bridge in an n-type manner after rotating 180 degrees on the cable clamp.
The main cable of the suspension bridge adopts a parallel steel wire structure, and the length of the steel wire is sensitive to the influence of temperature. In the construction of the suspension bridge, the temperature of each position of the main cable is different due to different sun irradiation angles every day, the deformation of the steel wires caused by the temperature is different, and the periodic torsion of the cable clamps is caused. Friction occurs between the rope clip and the wire rope hoist.
In the using process of the bridge, the bridge is influenced by dynamic loads such as vehicle running, strong wind, earthquake and the like, and friction can be caused between the rope clip and the sling.
Friction between the rope clip and the steel wire rope can damage the rope clip and the steel wire rope, influence the service life and reduce the safety coefficient of the sling.
In order to reduce friction, a steel wire rope protection device is designed, and friction between a steel wire rope and a rope clamp is avoided.
Disclosure of Invention
The utility model overcomes the defects of the prior art, and provides the riding type rope clamp steel wire rope sling protection device, in particular to the friction defect between the steel wire rope and the rope clamp.
The technical problems solved by the utility model can be realized by adopting the following technical scheme:
the utility model provides a straddle type cable clamp wire rope sling protection device, includes at least the cable clamp of connecting on the main rope, connects a plurality of wire rope sling on the cable clamp, characterized by: the rope sling is characterized in that a protection mechanism for reducing friction between the rope sling and the rope clamp is arranged in a contact area of the rope sling and the rope clamp, the protection mechanism comprises a first protection part and a second protection part, and the first protection part and the second protection part are symmetrically sleeved on the rope sling through connecting parts.
Further, the cable clamp is provided with a plurality of sling grooves, the plurality of wire rope sling ropes are respectively positioned in the corresponding sling grooves, and the sling grooves are used for limiting the positions of each wire rope sling.
Further, the steel wire rope sling at least comprises a steel wire rope, the first protection part and the second protection part are arranged on a steel wire rope body contacted between the steel wire rope and the sling, and the steel wire rope provided with the first protection part and the second protection part is hung in the sling groove.
Further, the outer contour of the first protection part and the second protection part is arc-shaped after being connected through the connecting part.
Further, the second protection part is matched with the shape of the sling groove, the first protection part and the second protection part are sleeved with the inner cavity of the steel wire rope, the shape of the inner cavity is matched with the shape of the steel wire rope, and the inner wall of the inner cavity is subjected to polishing rough treatment.
Further, the first protection part and the second protection part are made of materials with lubricating performance.
Further, the material with lubricating property is polytetrafluoroethylene or copper.
Further, the curvature of the whole bending of the first protection part and the second protection part sleeved by the steel wire rope hung in the sling groove is arc-shaped.
Further, the connecting part is a connecting pin or a screw.
The beneficial effects of the utility model are as follows:
compared with the prior art, the cable clamp has the advantages that the first protection part and the second protection part are sleeved on the cable wire rope through the connecting parts, so that the damage to the appearance of the cable clamp and the cable wire rope due to friction generated by direct contact between the cable wire rope and the outer surface of the cable clamp can be avoided, the service life is prolonged, and the safety coefficient of the cable wire rope is improved.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is a schematic view of the overall installation structure of the protection device of the present utility model.
Fig. 2 is a schematic view of the overall installation axial section structure of the protection device of the present utility model.
Fig. 3 is a schematic diagram of an axial cross-section structure of a sleeved steel wire rope of the protection device of the utility model.
Fig. 4 is a schematic structural diagram of an embodiment of a cross section of a protection device sleeved with a steel wire rope and hung in a sling groove.
Fig. 5 is a schematic structural view of another embodiment of a cross section of the protection device of the present utility model, in which a sleeved steel wire rope is hung in a sling groove.
Fig. 6 is a schematic cross-sectional structural view of the steel wire rope of the present utility model suspended in a sling groove.
In the figure: 1-main cable, 2-cable clamp, 3-wire rope sling, 4-first protection part, 5-second protection part, 6-connecting part, 7-wire rope, 8-sling groove, 9-contact surface, 10-cable clamp sling groove repair area.
Detailed Description
It should be noted first that, in the various embodiments of the present utility model, the terms involved are:
the contact surface 9 is a contact surface of the steel wire rope 7 in the utility model, which is hung in the sling groove 8 on the rope clip 2.
The technical scheme of the riding type rope clamp steel wire rope sling protection device provided by the embodiment of the utility model is described in detail below through a plurality of specific embodiments.
Referring to fig. 1, 2 and 3, a riding-type rope clip steel wire rope sling protection device at least comprises a rope clip 2 connected to a main cable 1, wherein the rope clip 2 is used for being sleeved on the main cable 1, a plurality of steel wire rope slings 3 are connected to the rope clip 2, the steel wire rope slings 3 are used for being hung on the rope clip 2, a protection mechanism for reducing friction between the steel wire rope slings 3 and the rope clip 2 is arranged at a contact area of the steel wire rope slings 3 and the rope clip 2, the steel wire rope slings 3 and the rope clip 2 can be prevented from being damaged by friction generated by direct contact of the steel wire rope slings 3 and the outer surface of the rope clip 2, the protection mechanism comprises a first protection part 4 and a second protection part 5, and the first protection part 4 and the second protection part 5 are symmetrically sleeved on the steel wire rope slings through a connecting part 6.
Further, the first protection part 4 and the second protection part 5 are connected to the wire rope hoist 3 in a wrapping form through the connection part 6. The first protection part 4 and the second protection part 5 are of a tubular structure with a certain length and are of a structure which is cut in half along the length direction, two parts are wrapped on the wire rope sling 3 and then are connected at a cutting joint to form a cylinder again, the structure is convenient to install, construction strength is reduced, and meanwhile the contact surface of the wire rope sling 3 and the cable clamp 2 is blocked, so that the friction is reduced.
Referring to fig. 1 and 2, the cable clamp 2 is provided with a plurality of cable grooves 8, a plurality of wire rope slings 3 are respectively positioned in the corresponding cable grooves 8, and the cable grooves 8 are used for limiting the position of each wire rope sling 3; in practical application, at least three steel wire rope slings 3 are arranged on the rope clamp 2 and are all positioned in the sling groove 8, and the sling groove 8 is used for limiting the positions of the steel wire rope slings 3.
Referring to fig. 3 and 4, the wire rope hoist 3 at least includes a wire rope 7, the first protection part 4 and the second protection part 5 are installed on a wire rope body contacting between the wire rope 7 and the rope clip 2, the wire rope 7 having the first protection part 4 and the second protection part 5 is hung in the rope groove 8, and the contact surface between the wire rope 7 and the rope groove 8 on the rope clip 2 is separated by the first protection part 4 and the second protection part 5, thereby avoiding friction between the wire rope and the rope clip.
Referring to fig. 3 and 4, the outer profile of the first protection part 4 and the second protection part 5 is circular arc after being connected by the connection part 6, and the protection mechanism formed by the circular arc first protection part 4 and the second protection part 5 reduces friction with the sling groove 8.
Referring to fig. 5, the shape of the second protection part 5 is matched with that of the sling groove 8, the shape of an inner cavity of the first protection part 4 and the second protection part 5 sleeved with the steel wire rope 7 is matched with that of the steel wire rope 7, and the inner wall of the inner cavity is subjected to polishing roughening treatment, so that the friction force between the steel wire rope 7 and the inner walls of the first protection part 4 and the second protection part 5 is increased, and sliding is prevented; the shapes of the first protection part 4 and the second protection part 5 are matched with those of the sling groove 8, so that the two parts do not move relatively, friction between the protection mechanism and the sling groove 8 is avoided, damage to the sling groove 8 is reduced, the inner cavity of the protection mechanism formed by the first protection part 4 and the second protection part 5 is subjected to polishing roughening treatment, friction force is increased, and the steel wire rope 7 and the protection mechanism are prevented from sliding relatively.
In the present utility model, the first protection part 4 and the second protection part 5 are made of a material having lubricating property, so that friction with the inner wall of the sling groove 8 can be reduced.
The materials with lubricating property are polytetrafluoroethylene or copper, and have certain strength and lubricating property, so that friction between the protection mechanism and the sling groove 8 is further reduced, and abrasion in the sling groove 8 is reduced.
Referring to fig. 6, the curvature of the whole bending of the steel wire rope 7 hung in the sling groove 8 and the first protection part 4 and the second protection part 5 sleeved on the steel wire rope is arc-shaped, and cannot be elliptical arc, because the angle between the rope clamp 2 and the steel wire rope 7 is usually not equal to 90 degrees, the contact curve between the rope clamp 2 and the steel wire rope 7 is elliptical arc, the sling groove 8 on the rope clamp 2 needs to be shaped, the shaping area is shown as the shaping area 10 of the rope clamp sling groove in fig. 6, the whole inside of the sling groove 8 on the rope clamp 2 is ensured to be arc-shaped, and smooth rotation between the rope clamp 2 and the steel wire rope 7 with the protection device is ensured.
The utility model can also adopt another implementation mode:
the protective device is made of a material with sealing property and has certain flexibility, the shape of the protective cover made of the flexible material is directly connected with the upper parts of the protrusions on the two sides of the sling groove 8 in a sealing way, the protective cover penetrates through the whole area of the whole steel wire rope 7, which is in contact with the sling groove 8, then the two ends of the protective cover are continuously extended to the position where the steel wire rope is not in contact with the outer wall of the cable clamp 2, at the moment, the end part of the protective cover is gradually tightened to be in sealing connection with the steel wire rope, wherein lubricating oil is filled in the protective structure when the protective structure is sealed with the end part of the steel wire rope 7, and friction between the steel wire rope 7 and the sling groove 8 can be reduced due to the lubricating oil, so that the steel wire rope 7 and the cable clamp 2 are protected. Because the steel wire rope 7 is exposed in the air, the evaporation and pollution consumption of the lubricating oil are faster, a lubricating oil storage tank can be added in the sling tank 8 on the cable clamp 2, and the lubricating oil can be driven to automatically supplement the lubricating oil when the steel wire rope 7 rotates, so that the effect of lubricating all the time is achieved; the protection cover in the embodiment can avoid dust in the air to pollute lubricating grease, reduce grease evaporation, and simultaneously avoid the loss of lubricating oil under the action of gravity.
The riding type rope clamp steel wire rope sling protection device adopting the structure avoids friction and damage between the steel wire rope and the rope clamp, prolongs the service life and improves the safety coefficient of the steel wire rope sling 3.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the scope of the knowledge of those skilled in the art without departing from the spirit of the present utility model, which is within the scope of the present utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
The technical solutions between the embodiments may be combined with each other, but it is necessary to base the implementation on the basis of those skilled in the art that when the combination of technical solutions contradicts or cannot be implemented, it should be considered that the combination of technical solutions does not exist and is not within the scope of protection claimed by the present utility model.
Claims (9)
1. The utility model provides a straddle type cable clamp wire rope sling protection device, includes at least cable clamp (2) of connecting on main cable (1), connects a plurality of wire rope sling (3), characterized by on cable clamp (2): the wire rope sling (3) and cable clamp (2) contact area is provided with the protection mechanism who is used for reducing friction between wire rope sling (3) and cable clamp (2), and this protection mechanism includes first protection portion (4) and second protection portion (5), first protection portion (4) and second protection portion (5) cup joint on wire rope sling (3) through connecting portion (6) symmetry.
2. The riding-type cable clamp steel cable hanging rope protection device according to claim 1, wherein: the cable clamp (2) is provided with a plurality of sling grooves (8), the plurality of wire rope slings (3) are respectively positioned in the corresponding sling grooves (8), and the sling grooves (8) are used for limiting the positions of each wire rope sling (3).
3. The riding-type cable clamp steel cable hanging rope protection device according to claim 2, wherein: the steel wire rope sling (3) at least comprises a steel wire rope (7), the first protection part (4) and the second protection part (5) are arranged on a steel wire rope body contacted between the steel wire rope (7) and the sling clamp (2), and the steel wire rope (7) provided with the first protection part (4) and the second protection part (5) is hung in the sling groove (8).
4. A riding-type cable clamp steel-rope sling protection device according to claim 3, wherein: the first protection part (4) and the second protection part (5) are connected through the connecting part (6) and the outer contour of the connecting part is arc-shaped.
5. The riding-type cable clamp steel cable hanging rope protection device according to claim 4, wherein: the second protection part (5) is matched with the sling groove (8) in shape, the first protection part (4) and the second protection part (5) are sleeved with the inner cavity of the steel wire rope (7) and matched with the steel wire rope (7), and the inner wall of the inner cavity is subjected to polishing rough treatment.
6. A riding clamp wire rope sling protection device according to claim 1 or 2 or 3 or 4 or 5, wherein: the first protection part (4) and the second protection part (5) are made of materials with lubricating performance.
7. The riding-type cable clamp steel cable hanging rope protection device according to claim 6, wherein: the material with lubricating property is polytetrafluoroethylene or copper.
8. A riding-type cable clamp steel-rope sling protection device according to claim 3, wherein: the steel wire rope (7) hung in the sling groove (8) and the curvature of the whole bending of the sleeved first protection part (4) and the sleeved second protection part (5) are arc-shaped.
9. The riding-type cable clamp steel cable hanging rope protection device according to claim 1, wherein: the connecting part (6) is a connecting pin or a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223361951.0U CN219450440U (en) | 2022-12-14 | 2022-12-14 | Riding type rope clamp steel wire rope sling protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223361951.0U CN219450440U (en) | 2022-12-14 | 2022-12-14 | Riding type rope clamp steel wire rope sling protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219450440U true CN219450440U (en) | 2023-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223361951.0U Active CN219450440U (en) | 2022-12-14 | 2022-12-14 | Riding type rope clamp steel wire rope sling protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219450440U (en) |
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2022
- 2022-12-14 CN CN202223361951.0U patent/CN219450440U/en active Active
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