CN110789667A

CN110789667A - Cable guiding device

Info

Publication number: CN110789667A
Application number: CN201911002620.8A
Authority: CN
Inventors: 靳春光
Original assignee: Hui Mei (beijing) Technology Co Ltd
Current assignee: Tianjin Grantley Offshore Engineering Equipment Co., Ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-02-14

Abstract

The invention provides a cable guider, which comprises guide wheel chain links distributed along a circumferential arc, side plates connected with the edges of the guide wheel chain links and extending towards two sides, and a suspension bracket fixedly connected with the centers of the side plates, wherein the top of the suspension bracket is connected with a rotating shaft capable of freely rotating, the rotating shaft is suspended on the cable guider bracket through a suspension arm, the cable guider has a stable structure, the guide wheel can convert sliding friction into rolling to avoid cable abrasion, a suspension part can freely rotate in a horizontal plane and also can swing forwards, backwards, leftwards and rightwards greatly, the angle can be adjusted at any time along with the releasing direction of a cable, the bending radius is large, the cable is prevented from being severely bent, the suspension height is suitable for personnel operation, the working strength is reduced, and the safety.

Description

Cable guiding device

Technical Field

The invention relates to the field of marine seismic surveying equipment, in particular to a cable guider.

Background

With the improvement of the comprehensive capability of the marine science investigation ship by the government of China, not only the professional marine seismic exploration ship is engaged in marine seismic exploration operation, but also more and more marine science investigation ships carry on the task of seismic exploration.

When the seismic cable is reeled and unreeled, in order to avoid the cable from being cut or abraded by the sharp corner of the stern, the existing scientific research vessel usually adopts a mode of additionally arranging a circular arc-shaped special slideway or a cylindrical roller on the stern part to be used as a transition device for the cable from a deck to the underwater. In the practical use process, the mode is found to avoid the scratch of the cable and the sharp corner at the stern, but still can not avoid the abrasion in the sliding process, particularly when the ship turns, the cable is tightly attached to one side of a slide way or a roller, the abrasion degree is intensified, the bending angle at the corner is too large and is limited by the size limitation of the corner, the cambered surface with larger bending radius can not be manufactured, and the cable is damaged by long-term operation; in addition, because the cable is close to the deck surface at the stern, the operation of the operation personnel for hanging the aquatic bird and other equipment on the cable does not have enough height, and the operation personnel can only bend over, so that the operation personnel are very easy to fatigue and are easy to cause danger.

Disclosure of Invention

In order to solve the above technical problems, a cable guide is provided, which has a stable structure and is provided with a guide wheel capable of converting sliding friction into rolling friction to avoid cable abrasion; the hanging part can freely rotate in the horizontal plane and also can greatly swing back and forth, left and right, and the angle can be adjusted at any time along with the releasing direction of the cable; the bending radius is large, so that the cable is prevented from being bent violently; the suspension height is suitable for personnel operation, the working strength is reduced, and the safety is enhanced.

The invention provides a cable guider, which comprises guide wheel chain links distributed along a circumferential arc line, and side plates connected with the edges of the guide wheel chain links and extending towards two sides, wherein two sides are provided with protective wings and fixed on the side plates, the guide wheel is connected with a suspension bracket fixedly connected with the center of the side plates, and the top of the suspension bracket is connected with a rotating shaft capable of freely rotating.

Furthermore, the cross section of each guide wheel chain link is V-shaped, the bottom of each V-shaped groove is arc-shaped, and the guide wheel chain links are closely arranged along a circumferential arc line and can freely move along the circumferential arc line direction.

Further, a plurality of guide wheels with different diameters are arranged between the two side plates to support the guide wheel chain links, and the guide wheels with small diameters are arranged between the guide wheels with large diameters.

Furthermore, a protective wing is arranged right above the guide wheel chain link and the side plate, the protective wing is fixed on the side plate, and the side plate is fixedly arranged above the suspension bracket.

Furthermore, the revolving shaft is hung on the cable guide support through a suspension arm, one end of the suspension arm is connected with the revolving shaft through a rotating shaft, the other end of the suspension arm is connected with the cable guide support through a rotating shaft, and the rotating shafts at the two ends of the suspension arm are vertical to the axial direction.

Furthermore, the surface materials of the guide wheel chain links and the surfaces of the anti-slip wings, which are in contact with the cables, are non-metal anti-slip wear-resistant materials.

Further, an injection hole for lubricating grease is formed in the side plate.

Further, the edges of the guide wheel chain links, the side plates, the hanging brackets and the protective wings are all arc-shaped or rounded.

In summary, compared with the prior art, the cable guider provided by the invention has the beneficial effects that the cable guider is stable in structure, can freely rotate on a horizontal plane, and also can greatly swing back and forth or left and right, the angle can be adjusted at any time along with the releasing direction of the cable, the cable is prevented from being bent too much, so that the cable is damaged, the guide wheel and the guide wheel chain link which can roll are designed, so that the cable and the cable guider cannot generate friction, the abrasion of the sheath of the cable is avoided, the bending radius is large, the cable is prevented from being bent violently, meanwhile, the hanging height of the cable guider is moderate, the cable guider is suitable for workers to work in a relaxed state, and the fatigue is not easy to generate, so that the danger is avoided.

Drawings

Fig. 1 is a schematic front view of a cable guide according to the present invention;

fig. 2 is a schematic top view of a cable guide according to the present invention;

FIG. 3 is a schematic side view of a cable guide according to the present invention;

fig. 4 is a schematic three-dimensional structure of a cable guide according to the present invention;

FIG. 5 is a schematic view of a bracket mounting of a cable guide according to the present invention;

in the figure:

1. a guide wheel chain link; 2. a side plate; 3. a suspension bracket; 4. a rotating shaft; 5. a protective cover; 6. a guide wheel; 7. a suspension arm; 8. a fairlead support; 9. a protective wing; 10. a chain link device; 11. a guide wheel device.

Detailed Description

The invention is described in further detail below with reference to the following figures and specific examples:

as shown in fig. 1 to 5, the cable guiding device provided by the invention comprises a plurality of guide wheel chain links 1 which are closely arranged along a circumferential arc line and are connected with each other, the guide wheel chain links 1 form a closed chain structure together, two side plates 2 are arranged on two sides of all the guide wheel chain links 1, are connected with the edges of the guide wheel chain links 1 and extend towards the two sides, can protect and fix an internal structure, the edges of the guide wheel chain links are connected with the edges of the guide wheel chain links 1 in a smooth transition mode, the cable passing space of the cable is expanded, the cable cannot be damaged, a suspension bracket 3 is fixedly connected with the centers of the side plates 2, surrounds the two sides and the upper part of the side plates 2 and is connected with and suspends a main structure below the side plates, the top of the suspension bracket 3 is connected with a rotating shaft 4 which can freely rotate, and the cable guiding.

In a preferred embodiment, the cross section of the guide wheel chain link 1 is V-shaped, the bottom of the V-shaped groove is arc-shaped, the cable can be positioned stably and does not swing in the V-shaped groove, friction force is increased by two-point contact, the cable is prevented from slipping, meanwhile, different widths of the V-shaped groove from the bottom to an opening at the top can meet cables with various diameters in a large range, the guide wheel chain links 1 are closely distributed along a circumferential arc and can freely move along the circumferential arc, a closed guide wheel chain link formed by all the guide wheel chain links 1 circularly rolls on the circumferential arc, axial movement of the cable is converted from sliding friction to rolling friction of the guide wheel chain links, the abrasion of cable sheaths is effectively prevented, and the service life of the cable is prolonged.

In a preferred embodiment, a plurality of guide rollers 6 are installed between the two side plates 2 to support the guide roller chain links 1, wherein the small-sized diameter guide rollers are located between the large-sized diameter guide rollers, and the plurality of guide rollers 6 form an arc line satisfying a bending radius of the cable so that the cable is not damaged when being bent.

In a preferred embodiment, a protective cover 5 is arranged right above the idler chain link 1 and the side plate 2, a space for passing cables is formed between the protective cover and the side plate, the space can meet the requirement that cables with larger diameters and cable joints can pass through, and the protective cover 5 is fixedly arranged below the suspension bracket 3 through bolts or welding and has the functions of preventing the cables from being taken out of the groove and scratching the cables.

In a preferred embodiment, the revolving shaft 4 is hung on the cable guide support 8 through the suspension arm 7, the two ends of the suspension arm 7 are connected with the shaft holes in a vertical direction, so that the cable guide can swing back and forth and left and right, and the hanging position of the cable guide can be kept at a proper height by designing the height of the cable guide support 8 and the length of the suspension arm 7, so that an operator can conveniently and comfortably operate without fatigue, and danger is avoided.

In a preferred embodiment, the guide wheel chain link 1 and the protective wing 9 are made of non-metal wear-resistant and anti-slip materials, so that the friction force between the cables and the guide wheel chain link 1 and the protective wing 9 is increased, the cables and the guide wheel chain link 1 and the protective wing 9 are kept static, the sliding friction is converted into the rolling friction of the guide wheel, and the cables are prevented from being worn.

In a preferred embodiment, the side plate 2 is provided with an injection hole for lubricating grease, so that the guide wheel and the guide wheel chain link can be lubricated, the rolling friction force of the guide wheel is reduced, and the smooth use of the cable is improved.

In a preferred embodiment, the edges of the idler chain link 1, the side plates 2, the suspension bracket 3 and the protective cover 5 are all arc-shaped or rounded, so that the cables are prevented from being scratched.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any minor modifications, equivalent replacements and improvements made to the above embodiment according to the technical spirit of the present invention should be included in the protection scope of the technical solution of the present invention.

Claims

1. A cable guider comprises a chain link device (10) installed along a circumferential arc line, wherein a guide wheel device (11) is arranged in the chain link device (10), protective wings (9) are arranged on two sides of the chain link device (10), the protective wings (9) are fixed on a side plate (2), the side plate (2) is fixedly installed on a suspension bracket (3), the cable guider is characterized in that the chain link device (10) is composed of a plurality of guide wheel chain links (1), the chain link device (10) rotates along the guide wheel device (11), and the top of the suspension bracket (3) is connected with a rotating shaft (4) capable of rotating freely.

2. A cable guide according to claim 1, wherein the guide roller chain links (1) are V-shaped in cross-section, the bottom of the V-shaped groove is arc-shaped, and a plurality of guide roller chain links (1) are closely arranged along a circumferential arc to form the chain link means (10).

3. A cable guide according to claim 1, wherein the guide roller means (11) is mounted between the side plates (2), the guide roller means (11) comprising a plurality of guide rollers (6) of different diameters together supporting the link means (10), the smaller diameter guide rollers being located between the larger diameter guide rollers.

4. A cable guide according to claim 1, wherein the suspension support (3) is C-shaped, the bottom end of the suspension support passes through the center of the two side plates (2) and is fixedly connected to the side plates, the top end of the suspension support is positioned right above the chain link device (10), the suspension support (3) has a protective cover (5) on both sides of the second end, and the space between the suspension support (3) and the chain link device (10) is used for allowing cables to pass through.

5. A cable guide according to claim 1, wherein the swivel shaft (4) is suspended from a cable guide support (8) by means of a boom (7), one end of the boom (7) being connected to the swivel shaft (4) via a swivel shaft, the other end of the boom (7) being connected to the cable guide support (8) via a swivel shaft, the swivel shafts at the two ends of the boom (7) being oriented in a direction perpendicular to the axis of the swivel shaft.

6. A cable guide according to claim 2, wherein the surface of the guide wheel chain links (1) and the protective wings (9) contacting the cable is made of non-metallic, non-skid and wear-resistant material.

7. A cable guide according to claim 1, wherein the side plate (2) is provided with an injection hole for grease.

8. A cable guide according to any one of claims 1 to 7, wherein the edges of the idler chain link (1), the protective wing (9), the suspension bracket (3) and the protective cover (5) are rounded or filleted.