CN105048394A - Clasping type cable protecting device - Google Patents
Clasping type cable protecting device Download PDFInfo
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- CN105048394A CN105048394A CN201510608407.7A CN201510608407A CN105048394A CN 105048394 A CN105048394 A CN 105048394A CN 201510608407 A CN201510608407 A CN 201510608407A CN 105048394 A CN105048394 A CN 105048394A
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- tightly
- cable
- protecting device
- expansion block
- tight
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Abstract
The invention discloses a clasping type cable protecting device. The device comprises a pipe body installed at the periphery of a cable in a sleeving mode, a clasping piece which is matched with a cable set is arranged between the inner wall of the pipe body and the peripheral surface of the cable, a guide groove is formed inside the clasping piece, a bulging block capable of moving along the clasping piece axially is arranged inside the guide groove, the radial thickness of the bulging block along the clasping piece increases gradually from the inner end to the outer end, and the bulging block is in interference fit with the inner wall of the guide groove. The clasping type cable protecting device has a good protecting effect to the cable and is high in safety.
Description
Technical field
The present invention relates to power transmission and transformation line erection and safeguard necessary accessories technical field, particularly a kind of tight-holding type cable protecting device.
Background technology
In current power transmission and transformation system construction of line maintenance process, cable is an extremely important part, usually can be embedded in underground with table space frugally and improve wire harness integrated level in erecting cable process.And improving constantly along with user demand, people it is also proposed higher requirement to the structural defence after cable burial.
In current power transmission and transformation line erection process, cable is normally penetrated after boundling to be embedded in the cable pipe of underground, although these polings can meet basic construction of cable protection needs, but because its structure is comparatively simple, usually single tubular structure is only possessed, therefore poor to the structural defence intensity of cable, and due to its assembling after between inside pipe wall and cable structure comparatively simply loose, cable after burying underground is very easily extracted out by lawless person and implements theft after being drawn to earth's surface, not only constrain the fail safe of cable wire, cause adverse effect also to whole power transmission and transformation line operation stability and continuity.
Therefore, how to provide a kind of protected effect better and the higher tight-holding type cable protecting device of fail safe is the important technological problems that those skilled in the art need to solve at present.
Summary of the invention
The object of this invention is to provide a kind of tight-holding type cable protecting device, this tight-holding type cable protecting device to the protected effect of cable better and its fail safe is higher.
For solving the problems of the technologies described above; the invention provides a kind of tight-holding type cable protecting device; comprise the body being set in cable peripheral part; be provided with between described inboard wall of tube body and cable outer peripheral face to be set with cable and adaptive hold part tightly; described inside of holding part tightly is provided with guide groove; axially movably expansion block can be provided with along described part of holding tightly in described guide groove; the thickness holding part radial direction described in described expansion block edge tightly increases to its outer end gradually from its inner end, and described expansion block and described guide groove inwall interference fit.
Preferably, described expansion block inner end along described in hold part tightly axis be provided with and run through and hold the pull bar of part described in stretching out in tightly.
Preferably, the outer end of described pull bar can be provided with and the described guide vane end stop held part tightly and match with moving along its axis, and described guide vane end stop coordinates with described pull rod screw.
Preferably, the inwall holding part described in tightly have the anti-slip veins suitable with cable outer peripheral face.
Preferably, part is held described in tightly and described expansion block is rubber part or plastic part.
Relative above-mentioned background technology, tight-holding type cable protecting device provided by the present invention, in its assembling use procedure, by cable, describedly hold part and described body tightly from inside to outside successively after assembling, expansion block can be sent in described guide groove by staff, due to interference fit between expansion block and guide groove inwall, and due to described expansion block along described in hold part radial direction tightly thickness to increase gradually from its inner end to its outer end and make expansion block lateral surface be an inclined-plane, thus expansion block is being entered in guide groove process holding part generation radial pressure tightly, this pressure increase gradually and by hold tightly part be passed to cable sentence formed hold the enclasping force of part to cable outer peripheral face tightly, thus by solid and reliable for cable hold tightly fixing, cable is made not easily to be drawn out of or to pull, thus the safety of structure that effectively improve after erecting cable and protected effect.
In another preferred version of the present invention, the inner end of described expansion block along described in hold part tightly axis be provided with and run through and hold the pull bar of part described in stretching out in tightly.In assembly manipulation process, expansion block by pulling the external part of described pull bar, can be drawn in guide groove by staff; During dismounting, expansion block released by guide groove by described pull bar, this pull bar significantly improves expansion block operating efficiency and performance accuracy, ensure that protected effect and the operating efficiency of described tight-holding type cable protecting device.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the tight-holding type cable protecting device that Fig. 1 provides for a kind of embodiment of the present invention.
Embodiment
Core of the present invention is to provide a kind of tight-holding type cable protecting device, and this tight-holding type cable protecting device to the protected effect of cable better and its fail safe is higher.
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 1, the structural representation of the tight-holding type cable protecting device that Fig. 1 provides for a kind of embodiment of the present invention.
In a specific embodiment; tight-holding type cable protecting device provided by the present invention; comprise the body 11 being set in cable 21 peripheral part; be provided with between body 11 inwall and cable 21 outer peripheral face to be set with cable 21 and adaptive hold part 12 tightly; the inside of holding part 12 tightly is provided with guide groove 121; expansion block 13 can be axially movably provided with along holding tightly part 12 in guide groove 121; expansion block 13 increases to its outer end along the thickness holding part 12 radial direction tightly gradually from its inner end, and expansion block 13 and guide groove 121 inwall interference fit.
In assembling use procedure, by cable 21, hold part 12 and body 11 tightly from inside to outside successively after assembling, expansion block can be sent in guide groove 121 by staff, due to interference fit between expansion block 13 and guide groove 121 inwall, and make expansion block 13 lateral surface be an inclined-plane because expansion block 13 to increase along the thickness holding part 12 radial direction tightly gradually from its inner end to its outer end, thus make expansion block 13 produce radial pressure to holding part 12 tightly entering in guide groove 121 process, this pressure increases gradually and is passed to cable 21 and sentences to be formed by holding part 12 tightly and hold the enclasping force of part 12 pairs of cable 21 outer peripheral faces tightly, thus by solid and reliable for cable 21 hold tightly fixing, cable is made not easily to be drawn out of or to pull, thus the safety of structure that effectively improve after erecting cable and protected effect.
Further, the inner end of expansion block 13 is provided with along the axis of holding part 12 tightly and runs through and stretch out in the pull bar 131 holding part 12 tightly.In assembly manipulation process, expansion block 13 by pulling the external part of pull bar 131, can be drawn in guide groove 121 by staff; During dismounting, expansion block 13 released by guide groove 121 by pull bar 131, this pull bar 131 significantly improves expansion block 13 operating efficiency and performance accuracy, ensure that protected effect and the operating efficiency of tight-holding type cable protecting device.
More specifically, the outer end of pull bar 131 can be provided with and the guide vane end stop 132 held part 12 tightly and match with moving along its axis, and guide vane end stop 132 and pull bar 131 threaded engagement.When staff implements relevant mobile operating by pull bar 131 pairs of expansion blocks 13, by the threaded engagement between guide vane end stop 132 and pull bar 131, guide vane end stop 132 is moved axially to appropriate location along pull bar 131, to control the external part length of pull bar 131, and then the accurate adjustment realized relative position between expansion block 13 and guide groove 121, and reach the object accurately controlling to hold tightly part 12 pairs of cable 21 enclasping forces thus.
Should be understood that; fit structure between above-mentioned guide vane end stop 132 and pull bar 131 is not limited to the thread matching structure shown in figure; it can also be tooth bar fit structure or fastener matching structure etc., as long as that is, can meet the actual use needs of described tight-holding type cable protecting device.
On the other hand, the inwall holding part 12 tightly have the anti-slip veins 122 suitable with cable 21 outer peripheral face.This anti-slip veins 122 can significantly improve the structural friction force held tightly between part 12 and cable 21, ensures that its relative assembly structure is more solid and reliable, and makes the enclasping force holding part 12 pairs of cables 21 tightly more fully stable.
In addition, part 12 is held tightly and expansion block 13 is rubber part or plastic part.The fatigue strength of this rubber part and plastic part is higher, and can bear certain structural deformation, thus can meet continuous high-strength working needs.
Certainly; above-mentionedly hold part 12 tightly and expansion block 13 is rubber part or plastic part is only preferred version; it other can also possess the material of certain fatigue strength and deformability, as long as that is, can meet the actual use needs of described tight-holding type cable protecting device for ligneous piece etc.
In summary; the tight-holding type cable protecting device provided in the present invention; comprise the body being set in cable peripheral part; be provided with between described inboard wall of tube body and cable outer peripheral face to be set with cable and adaptive hold part tightly; described inside of holding part tightly is provided with guide groove; axially movably can be provided with expansion block along described part of holding tightly in described guide groove, the thickness holding part radial direction described in described expansion block edge tightly increases to its outer end gradually from its inner end, and described expansion block and described guide groove inwall interference fit.In assembling use procedure, by cable, describedly hold part and described body tightly from inside to outside successively after assembling, expansion block can be sent in described guide groove by staff, due to interference fit between expansion block and guide groove inwall, and due to described expansion block along described in hold part radial direction tightly thickness to increase gradually from its inner end to its outer end and make expansion block lateral surface be an inclined-plane, thus expansion block is being entered in guide groove process holding part generation radial pressure tightly, this pressure increase gradually and by hold tightly part be passed to cable sentence formed hold the enclasping force of part to cable outer peripheral face tightly, thus by solid and reliable for cable hold tightly fixing, cable is made not easily to be drawn out of or to pull, thus the safety of structure that effectively improve after erecting cable and protected effect.
Above tight-holding type cable protecting device provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection range of the claims in the present invention.
Claims (5)
1. a tight-holding type cable protecting device; it is characterized in that: comprise the body being set in cable peripheral part; be provided with between described inboard wall of tube body and cable outer peripheral face to be set with cable and adaptive hold part tightly; described inside of holding part tightly is provided with guide groove; axially movably expansion block can be provided with along described part of holding tightly in described guide groove; the thickness holding part radial direction described in described expansion block edge tightly increases to its outer end gradually from its inner end, and described expansion block and described guide groove inwall interference fit.
2. tight-holding type cable protecting device as claimed in claim 1, is characterized in that: the inner end of described expansion block along described in hold part tightly axis be provided with and run through and hold the pull bar of part described in stretching out in tightly.
3. tight-holding type cable protecting device as claimed in claim 2, is characterized in that: the outer end of described pull bar can be provided with and the described guide vane end stop held part tightly and match with moving along its axis, and described guide vane end stop coordinates with described pull rod screw.
4. tight-holding type cable protecting device as claimed in claim 1, is characterized in that: described in hold part tightly inwall on there is the anti-slip veins suitable with cable outer peripheral face.
5. tight-holding type cable protecting device as claimed in claim 1, is characterized in that: described in hold part tightly and described expansion block is rubber part or plastic part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510608407.7A CN105048394A (en) | 2015-09-22 | 2015-09-22 | Clasping type cable protecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510608407.7A CN105048394A (en) | 2015-09-22 | 2015-09-22 | Clasping type cable protecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105048394A true CN105048394A (en) | 2015-11-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510608407.7A Pending CN105048394A (en) | 2015-09-22 | 2015-09-22 | Clasping type cable protecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105048394A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2365496Y (en) * | 1999-04-02 | 2000-02-23 | 王善英 | Connecting fastening component for pipeline |
| JP2000184570A (en) * | 1998-12-18 | 2000-06-30 | Kurimoto Ltd | Structure of underground conduit, protecting tube therefor, and method for inserting cable thereinto |
| CN2794000Y (en) * | 2005-04-21 | 2006-07-05 | 党金春 | Safety device of pipeline |
| CN103427388A (en) * | 2013-07-15 | 2013-12-04 | 何伟林 | Mechanical-structure cable duct sealing device |
| CN205016981U (en) * | 2015-09-22 | 2016-02-03 | 国网浙江宁波市鄞州区供电公司 | Hold formula cable protection device tightly |
-
2015
- 2015-09-22 CN CN201510608407.7A patent/CN105048394A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000184570A (en) * | 1998-12-18 | 2000-06-30 | Kurimoto Ltd | Structure of underground conduit, protecting tube therefor, and method for inserting cable thereinto |
| CN2365496Y (en) * | 1999-04-02 | 2000-02-23 | 王善英 | Connecting fastening component for pipeline |
| CN2794000Y (en) * | 2005-04-21 | 2006-07-05 | 党金春 | Safety device of pipeline |
| CN103427388A (en) * | 2013-07-15 | 2013-12-04 | 何伟林 | Mechanical-structure cable duct sealing device |
| CN205016981U (en) * | 2015-09-22 | 2016-02-03 | 国网浙江宁波市鄞州区供电公司 | Hold formula cable protection device tightly |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Huang Jiming Inventor after: Yang Zhiyi Inventor after: Wu Gaobo Inventor after: Yuan Dan Inventor after: Lu Zhongliang Inventor after: Fan Liangzhong Inventor after: Xu Lei Inventor before: Huang Jiming Inventor before: Yang Zhiyi Inventor before: Wu Gaobo Inventor before: Yuan Dan Inventor before: Lu Zhongliang Inventor before: Fan Zhongliang Inventor before: Xu Lei |
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| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151111 |