CN110164607B - Composite safety cable - Google Patents
Composite safety cable Download PDFInfo
- Publication number
- CN110164607B CN110164607B CN201910489625.1A CN201910489625A CN110164607B CN 110164607 B CN110164607 B CN 110164607B CN 201910489625 A CN201910489625 A CN 201910489625A CN 110164607 B CN110164607 B CN 110164607B
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- CN
- China
- Prior art keywords
- protection rod
- protection
- rotating shaft
- rod
- sides
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002131 composite material Substances 0.000 title claims abstract description 10
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 abstract description 15
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 description 12
- 239000010410 layer Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/06—Extensible conductors or cables, e.g. self-coiling cords
- H01B7/065—Extensible conductors or cables, e.g. self-coiling cords having the shape of an helix
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
- H01B7/1815—Protections not provided for in groups H01B7/182 - H01B7/26 composed of longitudinal inserts
Landscapes
- Installation Of Indoor Wiring (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a composite safety cable, which comprises more than one connecting piece, wherein two sides of each connecting piece are respectively provided with an assembling hole, an intermediate pipe is sleeved between two adjacent connecting pieces, two wire grooves are symmetrically formed in the axial direction of the intermediate pipe, two receding grooves are respectively formed in two sides of each wire groove in the length direction, a group of connecting lugs are symmetrically arranged along the central line position of the end surfaces of two sides of each connecting piece, two mutually hinged protection rods are buckled in each wire groove, each protection rod comprises a first protection rod and a second protection rod, the connecting parts of the first protection rod and the second protection rod are hinged, and wire outlet channels with two openings at two ends are respectively arranged in the first protection rod and the second protection rod; the cable has very good compression resistance and shear resistance, and after being subjected to larger top pressure, the middle pipe can be separated, the first protective rod and the second protective rod are bounced open, the core wires are driven to be far away from a shear source, and meanwhile, the protective rods are used for further protection.
Description
Technical Field
The invention relates to a cable, in particular to a composite safety cable.
Background
The installation environment of the cable is special, and the cable is long in length and large in spanning area, so that the cable can be contacted, sheared and extruded by anything in the external environment in many times, and the cable is damaged. Therefore, in order to protect the internal core wire of the cable at present, the protective layer on the outer part of the cable is usually made to be very thick, namely, the armor layer commonly used at present is utilized to bear external force by utilizing the armor layer with high compression resistance and shearing force, but the armor layer does not have buffering protection capability, directly bears pressure after shearing and transmits the pressure to the internal core wire, and indentation is generated on the outer part of the internal core wire. Meanwhile, if the external force shearing is large enough to damage the armor layer, the core wire can only be cut at will at this time without any avoidance.
Disclosure of Invention
The invention aims to solve the technical problem of providing a composite safety cable which has good compression-resistant buffering capacity and can bounce off an internal core wire after ultimate shearing, so that the core wire is far away from a shearing source, and the probability of avoiding shearing is increased.
The invention is realized by the following technical scheme: a composite safety cable comprises more than one connecting piece, wherein both sides of the connecting piece are respectively provided with an assembling hole, an intermediate pipe is sleeved between two adjacent connecting pieces, the axis direction of the intermediate pipe is provided with two wire grooves, both sides of the length direction of each wire groove are respectively provided with a receding groove, the center line position of the end surfaces of both sides of each connecting piece is provided with a group of connecting lugs, two mutually hinged protective rods are buckled in each wire groove, each protective rod comprises a first protective rod and a second protective rod, the joint of the first protective rod and the second protective rod is hinged, the other ends of the first protective rod and the second protective rod are respectively hinged with the connecting lugs on the connecting piece in a rotating manner, wire outlet channels with openings at both ends are respectively arranged in the first protective rod and the second protective rod, cable cores are arranged in the wire outlet channels, and the connecting pieces right facing the wire outlet channels are respectively provided with wire storage channels with openings at both ends, the cable core extends out from one end of the protective rod and extends into the wire storage channel, and one section of spring twisting section is arranged on one side of the cable core extending into the wire storage channel.
As a preferred technical scheme, the two side end faces of the middle pipe are respectively provided with an assembling convex part, the assembling convex parts are arranged in the assembling holes, the middle pipe is a hollow pipe with two side end faces respectively opened, and the whole middle pipe is made of tough plastics.
According to the preferable technical scheme, a first rotating shaft is welded at one end, close to the connecting piece, of each of the first protection rod and the second protection rod, two connecting lugs are arranged in each group, the connecting lugs are arranged up and down, a first rotating shaft hole is formed in each connecting lug, the first rotating shaft is rotatably installed in the first rotating shaft holes, and the wire outlet channel is arranged opposite to the middle position of each connecting lug.
According to a preferable technical scheme, a rotating cavity is formed in one side, opposite to the second protection rod, of the first protection rod, a second rotating shaft hole is formed in the rotating cavity, a rotating convex portion is arranged at one end, opposite to the second rotating shaft hole, of the second protection rod, a second rotating shaft is arranged at the position, opposite to the second rotating shaft hole, of the rotating convex portion, a torsion spring is sleeved and fixed on the second rotating shaft, and the second rotating shaft is elastically installed in the second rotating shaft hole through the torsion spring.
As a preferred technical scheme, the first protection rod and the second protection rod form an included angle of 70-90 degrees under the action of a torsion spring in a natural state, the first protection rod and the second protection rod are unfolded through the middle tube and are partially buckled in the wire grooves on the two sides of the middle tube, and the connecting lugs on the two sides of the connecting piece are buckled in the yielding grooves on the two sides of the middle tube respectively.
The invention has the beneficial effects that: the invention uses the middle tube as buffer protection to prevent the core wire from being extruded or cut into the protection rod. When receiving outside great shearing force for the intermediate tube can produce the separation with the connecting piece, just can be an contained angle of bullet opening between first, the second guard bar like this, can drive the heart yearn and keep away from the shearing source, increases the security.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a top view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic structural view of an intermediate tube of the present invention;
FIG. 4 is an enlarged view of a portion of the invention at A in FIG. 2;
fig. 5 is a state diagram of the present invention in use.
Detailed Description
As shown in fig. 1 and 2, the composite safety cable comprises more than one connecting piece 1, wherein two sides of each connecting piece 1 are respectively provided with an assembly hole, a middle pipe 4 is sleeved between two adjacent connecting pieces, two wire grooves 22 are formed in the axis direction of the middle pipe 4, two receding grooves 23 are formed in two sides of each wire groove 22 in the length direction, a group of connecting lugs 3 are arranged on the center line positions of the end surfaces of two sides of each connecting piece 1, two mutually hinged protection rods are buckled in each wire groove 22, each protection rod comprises a first protection rod 5 and a second protection rod 7, the connecting parts of the first protection rod 5 and the second protection rod 7 are hinged, the other ends of the first protection rod 5 and the second protection rod 7 are respectively hinged with the connecting lugs 3 on the connecting piece 1 in a rotating manner, wire outlet channels (not shown) with openings at two ends are arranged in the first protection rod 5 and the second protection rod 7, the cable core 31 is laid in the outlet channel, a wire storage channel (not shown) with two open ends is respectively arranged on the connecting piece opposite to the outlet channel, the cable core extends out from one end of the protective rod and extends into the wire storage channel, and one side of the cable core extending into the wire storage channel is provided with a section of spring twisted section, so that the cable core is convenient to stretch.
In this embodiment, as shown in fig. 3, two side end faces of the middle tube 4 are respectively provided with an assembling convex portion 21, the assembling convex portions 21 are installed in the assembling holes, the middle tube 4 is a hollow tube with two side end faces respectively opened, the whole body of the middle tube is made of tough plastics, the middle tube 4 can be used as middle protection after being assembled, and the middle protection is protruded from the upper ends of the first protection rod and the second protection rod, so that when the top is sheared, the middle tube can be directly sheared, and the middle tube cannot directly act on the first protection rod and the second protection rod, and the buffering protection function is good.
A first pivot 2 is all welded to the one end that is close to the connecting piece of first guard bar 5 and second guard bar 7, and every group engaging lug 3 all is provided with two, and engaging lug 3 lays from top to bottom, all sets up a first pivot hole on the engaging lug 3, and first pivot is rotated and is installed in first pivot hole, and the passageway of being qualified for the next round of competitions is just facing two engaging lug intermediate positions and is set up. A rotating cavity 51 is formed in one side, opposite to the second protection rod 7, of the first protection rod 5, a second rotating shaft hole is formed in the rotating cavity 51, a rotating convex portion 71 is arranged at one end, facing the second rotating shaft hole, of the second protection rod, as shown in fig. 4, a second rotating shaft 6 is arranged at a position, facing the second rotating shaft hole, of the rotating convex portion 71, a torsion spring is sleeved and fixed on the second rotating shaft 6, and the second rotating shaft 6 is elastically installed in the second rotating shaft hole through the torsion spring.
The first protection rod 5 and the second protection rod 7 form an included angle of 70-90 degrees under the action of a torsion spring in a natural state, the first protection rod 5 and the second protection rod 7 are opened through the middle tube 4 and are partially buckled in the wire grooves 22 on two sides of the middle tube 4, the middle tube 4 is utilized to protect the first protection rod, the second protection rod and the internal core wires, and the connecting lugs 3 on two sides of the connecting piece 1 are respectively buckled in the yielding grooves 23 on two sides of the middle tube. When the shearing force is big enough, make the intermediate pipe transition warp, the assembly convex part can be followed the mounting hole internal separation of connecting piece, originally is used for strutting the intermediate pipe separation of first, second fender rod this moment, forms an contained angle between first, the second fender rod this moment, as shown in fig. 5, can utilize first, the second fender rod to take away from the shearing source with the cable core line this moment, can obtain better protection effect.
The invention has the beneficial effects that: the invention uses the middle tube as buffer protection to prevent the core wire from being extruded or cut into the protection rod. When receiving outside great shearing force for the intermediate tube can produce the separation with the connecting piece, just can be an contained angle of bullet opening between first, the second guard bar like this, can drive the heart yearn and keep away from the shearing source, increases the security.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (3)
1. A composite safety cable characterized by: the cable protection device comprises more than one connecting piece, wherein two sides of the connecting piece are respectively provided with an assembling hole, an intermediate pipe is sleeved between two adjacent connecting pieces, two wire grooves are formed in the axis direction of the intermediate pipe, two receding grooves are formed in two sides of the length direction of each wire groove, a group of connecting lugs are respectively arranged at the central line positions of the end surfaces of two sides of each connecting piece, two mutually hinged protection rods are buckled in each wire groove, each protection rod comprises a first protection rod and a second protection rod, the connecting parts of the first protection rod and the second protection rod are hinged, the other ends of the first protection rod and the second protection rod are respectively rotatably hinged with the connecting lugs on the connecting pieces, an outlet channel with two open ends is respectively arranged in each first protection rod and the second protection rod, cable cores are arranged in the outlet channel, and a cable storage channel with two open ends is respectively arranged on the connecting pieces facing the outlet channel, one end of the cable core wire self-protection rod extends out and extends into the wire storage channel, and one side of the cable core wire extending into the wire storage channel is provided with a section of spring twisting section;
one ends of the first protection rod and the second protection rod, which are close to the connecting piece, are respectively welded with a first rotating shaft, two connecting lugs are arranged in each group, the connecting lugs are arranged up and down, a first rotating shaft hole is formed in each connecting lug, the first rotating shaft is rotatably arranged in the first rotating shaft hole, and the wire outlet channel is arranged opposite to the middle position of the two connecting lugs;
a rotating cavity is formed in one side, opposite to the second protection rod, of the first protection rod, a second rotating shaft hole is formed in the rotating cavity, a rotating convex portion is arranged at one end, opposite to the second rotating shaft hole, of the second protection rod, a second rotating shaft is arranged at the position, opposite to the second rotating shaft hole, of the rotating convex portion, a torsion spring is sleeved and fixed on the second rotating shaft, and the second rotating shaft is elastically installed in the second rotating shaft hole through the torsion spring.
2. The composite security cable of claim 1, wherein: the end faces of two sides of the middle pipe are respectively provided with an assembling convex part which is arranged in the assembling hole, the middle pipe is a hollow pipe with two end faces respectively opened, and the whole middle pipe is made of tough plastics.
3. The composite security cable of claim 1, wherein: the first protection rod and the second protection rod form an included angle of 70-90 degrees under the action of the torsion spring in a natural state, the first protection rod and the second protection rod are unfolded through the middle pipe and are partially buckled into the wire grooves on the two sides of the middle pipe, and the connecting lugs on the two sides of the connecting piece are buckled into the yielding grooves on the two sides of the middle pipe respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910489625.1A CN110164607B (en) | 2019-06-06 | 2019-06-06 | Composite safety cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910489625.1A CN110164607B (en) | 2019-06-06 | 2019-06-06 | Composite safety cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110164607A CN110164607A (en) | 2019-08-23 |
| CN110164607B true CN110164607B (en) | 2020-12-04 |
Family
ID=67627902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910489625.1A Active CN110164607B (en) | 2019-06-06 | 2019-06-06 | Composite safety cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110164607B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01174206A (en) * | 1987-12-25 | 1989-07-10 | Tokai Denki Koji Kk | Hot-line work device for overhead gound wire |
| JP2001025122A (en) * | 1999-07-05 | 2001-01-26 | Hitachi Cable Ltd | Method of cable installation using gas force feeding |
| CN102420405B (en) * | 2011-12-07 | 2014-04-30 | 河南科技大学 | Guide ring cap for threading during pipe distribution and threading method for guide ring cap |
| CN103515908A (en) * | 2013-09-30 | 2014-01-15 | 合肥南南电力保护设备有限公司 | Anti-waving wire stabilizing pipe |
| CN206021933U (en) * | 2016-08-10 | 2017-03-15 | 深圳市凯威尔电子有限公司 | A kind of have high-tensile netting twine |
| CN107968368B (en) * | 2017-12-29 | 2023-10-27 | 广东颢景安装工程有限公司 | Fast-assembling splicing sleeve |
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2019
- 2019-06-06 CN CN201910489625.1A patent/CN110164607B/en active Active
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| Publication number | Publication date |
|---|---|
| CN110164607A (en) | 2019-08-23 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201113 Address after: 322000 unit 301, unit 5, building 26, Louxia village, Chouzhou street, Yiwu City, Jinhua City, Zhejiang Province Applicant after: Yiwu qianfei Technology Co.,Ltd. Address before: 710103 No. 43, Longqu Village Central Lane, Yinzhen Town, Chang'an District, Xi'an City, Shaanxi Province Applicant before: Zhang Lihua |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 322000 intellectual property gathering area 203-2, 2a, building 1, science and technology entrepreneurship Park, 968 Xuefeng West Road, Yiwu City, Jinhua City, Zhejiang Province Applicant after: Yiwu qianfei Technology Co.,Ltd. Address before: 322000 unit 301, unit 5, building 26, Louxia village, Chouzhou street, Yiwu City, Jinhua City, Zhejiang Province Applicant before: Yiwu qianfei Technology Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230331 Address after: No.8 Qizhouqiao Road, Xinguang Village, Xinhu Village Committee, Jiexi County, Jieyang City, Guangdong Province (self declared) Patentee after: Guangdong Jianxing Wire and Cable Co.,Ltd. Address before: 322000 203-2, 2A intellectual property gathering area, building 1, science and technology entrepreneurship Park, 968 Xuefeng West Road, Yiwu City, Jinhua City, Zhejiang Province Patentee before: Yiwu qianfei Technology Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Composite safety cable Granted publication date: 20201204 Pledgee: Guangdong Jiexi Rural Commercial Bank Co.,Ltd. Mianhu Branch Pledgor: Guangdong Jianxing Wire and Cable Co.,Ltd. Registration number: Y2024980008718 |