CN2754185Y - Rubber-sleeved flexible cable for coal mining machine - Google Patents
Rubber-sleeved flexible cable for coal mining machine Download PDFInfo
- Publication number
- CN2754185Y CN2754185Y CN 200420075507 CN200420075507U CN2754185Y CN 2754185 Y CN2754185 Y CN 2754185Y CN 200420075507 CN200420075507 CN 200420075507 CN 200420075507 U CN200420075507 U CN 200420075507U CN 2754185 Y CN2754185 Y CN 2754185Y
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- China
- Prior art keywords
- cable
- control
- core
- wire cores
- utility
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- Expired - Fee Related
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Abstract
The utility model relates to a rubber sleeve flexible cable for coal winning machines, which comprises a power wire (1), a ground wire (2) and a control cable (9), wherein the power wire (1) is covered in a fire retardant sheath (8); the control cable (9) is composed of multi-strand control wire cores (3). The utility model is characterized in that the control cable (9) comprises a rubber pad core (4), the control wire cores (3) and outer covering layers of high temperature resistance slip bands (7), and the control wire cores (3) are arranged around the rubber pad core (4); the control wire cores (3) is formed by twist of copper conductors and fibre material (6), and outer covering layers of high temperature resistance slip bands (5) are wound outside the control wire cores (3). The utility model has general performance of the cable of the coal winning machines for coal mines in the prior art, and owing to the improved structure of the control wire cores in the prior art, the utility model enhances the strength, the relative slip property and the softness of the control wire cores. Thereby, the utility model effectively solves the problems of easily broken core and short service life of the control wire cores of the cable of the coal winning machines.
Description
(1) technical field
The utility model relates to a kind of cable, relates to a kind of coal mining machine rubber sleeve flexible cable that is suitable for specifically.
(2) background technology
At present, be widely used in coal industry rubber sleeve flexible cable for coal mining machine structure as shown in Figure 1, it comprise the power line 1 that is wrapped in fire retardant jacket 5 ' interior ', ground wire 2 ', by the control cable 6 of multiply control core 3 ' and rubber bedding core 4 ' constitute '.Control core wherein mainly plays the signal monitoring effect, because its control line core conductor only is made up of a kind of material of copper conductor, during stranding, it only is the laying up pitch stranding of outside conductor, extruding behind the insulating barrier promptly by standard code, and the cross section that is positioned at cable core center bedding core is less, cause the control core behind the stranding intensity, flexibility, slipping property is all not ideal enough relatively.This cable environment very severe of living in the coal mining process in addition, and to frequently stand multiple mechanical stress effects such as bending, stretching, the disconnected core phenomenon of control core very easily takes place, its normal useful life is only about 20～30 days.And the disconnected core of control core not only can cause cable to scrap, and main will directly have influence on coal mining unit operate as normal.Just because of this, how effectively to solve the problem that the easily broken core of control core, useful life lack in the rubber sleeve flexible cable for coal mining machine and become coal industry and cable manufacturing enterprise urgent problem.
(3) summary of the invention
The purpose of this utility model provides a kind of structure more reasonable at existing weak point in the above-mentioned prior art just, and intensity, flexibility and the relative slipping property of its control core all are better than the rubber sleeve flexible cable for coal mining machine of prior art.
Order of the present utility model can be realized by following measure:
Many control cores and high temperature resistant slip band outer wrapping layer that the control cable that the utility model rubber sleeve flexible cable for coal mining machine comprises the power line that is wrapped in the fire retardant jacket, ground wire, is made of multiply control core, described control line cable wrap are drawn together the rubber bedding core, are provided with around the rubber bedding core; Described control core is to be twisted again by copper conductor and fiber material to form, and is wound with high temperature resistant slip band integument outside it.
The stranding lay ratio of the multiply control core in the control cable described in the utility model is 5～7; Rubber bedding core diameter of section scope is between 8～11mm.
Because the control line core conductor in the rubber sleeve flexible cable for coal mining machine of the present utility model adopts the structure that tangles of answering of copper conductor and fiber material, this is increased with regard to the intensity that makes its control core; In addition because the utility model not only is surrounded with the high temperature resistant slip band of one deck in control core phase-splitting, and behind control core stranding the high temperature resistant slip band of wrapped more too one deck, in order to increase the relative slipping property of control core; In order to increase the flexibility of control core, the utility model also will be positioned at the cross section of the rubber bedding core of control cable center position and suitably strengthen, and adopt less laying up pitch, be that its stranding lay ratio is 5～7, make the construction of cable reasonable, efficiently solve this puzzlement line cable industry of the easily broken core of electric cable for coal mining machine control core and the technical barrier of coal industry, prolonged the useful life of electric cable for coal mining machine.
(4) description of drawings
Fig. 1 is the cross-section structure of the rubber sleeve flexible cable for coal mining machine of prior art.
Fig. 2 is the cross-section structure of rubber sleeve flexible cable for coal mining machine of the present utility model.
(5) embodiment
The utility model is further described below with reference to embodiment (accompanying drawing):
As shown in Figure 2, the rubber sleeve flexible cable for coal mining machine of the present utility model control cable (9) that comprises the power line (1) that is wrapped in the fire retardant jacket (8), ground wire (2), constitute by multiply control core (3); Described power line (1), control cable (9) are geometric center with ground wire (2), around the periphery that is distributed on ground wire (2); Many control cores (3) that described control cable (9) comprises rubber bedding core (4), be provided with around rubber bedding core (4) and high temperature resistant slip band (7) outer wrapping layer; Described control core (3) is to be formed by copper conductor and the multiple strand of fiber material (6), its outer high temperature resistant slip band (5) integument that is wound with.The stranding lay ratio of the multiply control core in the control cable described in the utility model is 5～7; Rubber bedding core (4) diameter of section scope is between 8～11mm.
Claims (3)
1, a kind of rubber sleeve flexible cable for coal mining machine, it comprises the power line (1) that is wrapped in the fire retardant jacket (8), ground wire (2), by the control cable (9) that multiply control core (3) constitutes, it is characterized in that: many control cores (3) that described control cable (9) comprises rubber bedding core (4), be provided with around rubber bedding core (4) and high temperature resistant slip band (7) outer wrapping layer; Described control core (3) is to be formed by copper conductor and the multiple strand of fiber material (6), its outer high temperature resistant slip band (5) integument that is wound with.
2, rubber sleeve flexible cable for coal mining machine according to claim 1 is characterized in that: the stranding lay ratio of the multiply control core (3) in the described control cable (9) is 5～7.
3, rubber sleeve flexible cable for coal mining machine according to claim 1 is characterized in that: rubber bedding core (4) diameter of section scope is between 8～11mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420075507 CN2754185Y (en) | 2004-12-30 | 2004-12-30 | Rubber-sleeved flexible cable for coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420075507 CN2754185Y (en) | 2004-12-30 | 2004-12-30 | Rubber-sleeved flexible cable for coal mining machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2754185Y true CN2754185Y (en) | 2006-01-25 |
Family
ID=35926294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420075507 Expired - Fee Related CN2754185Y (en) | 2004-12-30 | 2004-12-30 | Rubber-sleeved flexible cable for coal mining machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2754185Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101430945B (en) * | 2007-11-05 | 2011-08-10 | 无锡市明珠电缆有限公司 | 30kV and below rubber insulation flexible cable used for heavy-duty equipment and production method thereof |
| CN103400644A (en) * | 2013-08-22 | 2013-11-20 | 湖南华菱线缆股份有限公司 | Dragging twist-resistant metallic shield flexible cable for mining equipment |
| CN104200885B (en) * | 2014-08-29 | 2017-02-22 | 安徽弘毅电缆集团有限公司 | Anti-extrusion and anti-bending compound control cable |
-
2004
- 2004-12-30 CN CN 200420075507 patent/CN2754185Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101430945B (en) * | 2007-11-05 | 2011-08-10 | 无锡市明珠电缆有限公司 | 30kV and below rubber insulation flexible cable used for heavy-duty equipment and production method thereof |
| CN103400644A (en) * | 2013-08-22 | 2013-11-20 | 湖南华菱线缆股份有限公司 | Dragging twist-resistant metallic shield flexible cable for mining equipment |
| CN103400644B (en) * | 2013-08-22 | 2015-12-23 | 湖南华菱线缆股份有限公司 | A kind of winning equipment towing warp resistance metallic shield flexible cable |
| CN104200885B (en) * | 2014-08-29 | 2017-02-22 | 安徽弘毅电缆集团有限公司 | Anti-extrusion and anti-bending compound control cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHENGZHOU CABLE CO., LTD. Free format text: FORMER OWNER: ZHENGZHOU CABLE (GROUP) CO., LTD. Effective date: 20080307 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080307 Address after: The Fifth Street, Zhengzhou economic and Technological Development Zone, Henan, Zhengzhou, is two north of longitude Road, zip code: 450048 Patentee after: Zhengzhou Cable Co., Ltd. Address before: No. 79, Huashan Road, Henan, Zhengzhou Province, China: 450006 Patentee before: Zhengzhou Cable (Group) Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060125 Termination date: 20100201 |