CN107276003B - A kind of cable strain clamp - Google Patents
A kind of cable strain clamp Download PDFInfo
- Publication number
- CN107276003B CN107276003B CN201710662029.XA CN201710662029A CN107276003B CN 107276003 B CN107276003 B CN 107276003B CN 201710662029 A CN201710662029 A CN 201710662029A CN 107276003 B CN107276003 B CN 107276003B
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- Prior art keywords
- clamp structure
- cable
- clamp
- lug
- clamping device
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
- H02G7/053—Suspension clamps and clips for electric overhead lines not suspended to a supporting wire
- H02G7/056—Dead-end clamps
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- Installation Of Indoor Wiring (AREA)
- Clamps And Clips (AREA)
Abstract
A kind of cable strain clamp provided by the invention, part is pulled and supported including wire clip body and with what the wire clip body was connect, the wire clip body includes: clamping device, and the clamping device includes at least two layers of clamp structure, is clamped at least one cable between the clamp structure of adjacent two layers；Fastening structure removably surround and fastens the whole installation that the clamping device and the cable are constituted, and is applied to the clamp structure one active force for clamping the cable.The integral loop that the fastening structure can be constituted the clamping device and the cable is around fastening, fastening structure can in this way be dispersed on the peripheral wall of clamping device to the power of the clamping device, preventing cable from tilt the clamping device two sides under long duration of action to the opposite force of clamping device two sides causes the clamping to cable to loosen, allow clamping device kept under long-time service to cable it is effective, securely clamp.
Description
Technical field
The present invention relates to power Transmission technical fields, and in particular to a kind of cable strain clamp.
Background technique
Strain clamp is a kind of to be mainly used for overhead power line and the gold for fixing cable on substation's shaft tower
Tool, when in use, cable is connect by it with insulator chain, and insulator chain is connect with steel tower again, to fix cable and carry cable
Pulling force, reduce the slackness of aerial cable, the safe operation of electric system played a very important role.
The patent document of existing Publication No. CN204633277U a kind of discloses a kind of four-core centralized strain clamp, including
The two sides up and down of wedge-shaped pulling plate, the wedge shape pulling plate are equipped with the clamping device for clamping cable, and the clamping device includes bottom
Seat and the upper cover being located above pedestal, the clamping device further include the secure component for driving pedestal and upper cover to fasten,
Clamping part is equipped between the pedestal and upper cover, the clamping part includes the protrusion being fixed on pedestal and is arranged upper
The groove for protrusion insertion covered.Secure component disclosed in the patent document includes bolt and the fastening spiral shell with bolt cooperation
Mother, the middle part of screw bolt passes upper cover, pedestal and wedge-shaped pulling plate, in use, screw fastening nut, can drive upper cover and
Pedestal is adjacent to each other, by cable clamping between upper cover and pedestal, this mode that bunched cable is clamped, and bolt and nut
The middle part that strain clamp is concentrated on to the power of the device, when compressing cable, cable can give one reversed power of upper cover, when long
Between use process in, as the shaking cable of cable can be such that the two sides of upper cover tilt to the opposition of upper cover, make upper cover
Loosening is generated when clamping cable with bottom plate, influences the grip of strain clamp, causes cable to loosen sliding, greatly reduces electric power
The security reliability of system.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that overcoming cable strain clamp in the prior art easily keeps cable loose
The defect of dynamic sliding, to provide a kind of cable strain clamp for being not easy that cable is made to loosen sliding.
For this purpose, The technical solution adopted by the invention is as follows:
A kind of cable strain clamp, what is connect including wire clip body and with the wire clip body pulls and supports part, the wire clamp sheet
Body includes:
Clamping device, the clamping device includes at least two layers of clamp structure, between the clamp structure of adjacent two layers
It is clamped at least one cable；
Fastening structure removably surround and fastens the whole installation that the clamping device and the cable are constituted, and applies
Add to the clamp structure one active force for clamping the cable.
It is formed on the clamp structure for cable accommodating, the folder limited is moved radially to the cable
Hold slot.
The shape of the holding tank and the shape of the cable match.
Anti-skid structure is provided on the cell wall of the holding tank.
The clamping device includes three layers of clamp structure, is followed successively by the first clamp structure, the second clamp structure and the
Three clamp structures.
First clamp structure, second clamp structure and the third clamp structure are respectively plate.
The fastening structure includes surrounding part, and the side of described circular part one end and the third clamp structure is removably
It is fixedly connected, the other end successively surround second clamp structure and first clamp structure and clamped with the third and ties
The other side of structure is removably secured connection；The circular part is contacted with first clamp structure fitting.
The shape of one side of first clamp structure far from the third clamp structure and the shape phase around part
Matching.
First clamp structure is formed in the one side far from the third clamp structure for the circular part accommodating
Bearing groove；The bearing groove and the circular part face contact, and in the cross-sectional shape and institute with the contact position around part
The shape stated around part matches.
The two sides of the third clamp structure have been separately formed convex edge, offer the first installation respectively on each convex edge
Through-hole, the both ends around part are inserted in respectively in first installation through-hole of third clamp structure two sides；
The both ends around part form screw thread, and the fastening structure further includes the spiral shell with the circular part both ends
Line corresponding matching and the nut for locking the circular part and the convex edge.
It is provided on second clamp structure and is passed through for the circular part and the circular part is moved radially
The positioning through hole limited.
The circular part is in U-typed.
First lug is formed on first clamp structure, and the second lug, institute are formed on the third clamp structure
It states and has been separately formed the second installation through-hole on first lug and second lug, the both ends for pulling and supporting part are inserted in institute respectively
State in second installation through-hole in first lug and second lug, and respectively with the first lug, described second
Lug is removably secured connection.
The first lug is extended by the direction that first clamp structure is directed away from the third clamp structure,
Second lug is extended by the direction that the third clamp structure is directed away from first clamp structure.
The part that pulls and supports is the pull rod in U-typed.
Second installation through-hole is long stripes through hole, and the length extending direction of the long stripes through hole and the pull rod
Both ends where straight line extending direction it is consistent.
Technical solution of the present invention has the advantages that
1. a kind of cable strain clamp provided by the invention is pulled and supported including wire clip body and with what the wire clip body was connect
Part, the wire clip body include: clamping device, and the clamping device includes at least two layers of clamp structure, described in adjacent two layers
At least one cable is clamped between clamp structure；Fastening structure removably surround and fastens the clamping device and described
The whole installation that cable is constituted, and it is applied to the clamp structure one active force for clamping the cable.The fastening structure
The integral loop that the clamping device and the cable can be constituted can be such that fastening structure fills to the clamping in this way around fastening
The power set is dispersed on the peripheral wall of clamping device, prevents cable from making institute under long duration of action to the opposite force of clamping device two sides
Stating clamping device two sides and tilting causes the clamping to cable to loosen, and keeps clamping device to cable under long-time service
Effectively, it securely clamps.
2. a kind of cable strain clamp provided by the invention, anti-skid structure is provided on the cell wall of the holding tank.Pass through
Anti-skid structure is set on clamping cell wall, can make to be not susceptible to axially opposing movement between cable and holding tank, can make to press from both sides
Device is held more to fasten the clamping of cable, is more effective.
3. a kind of cable strain clamp provided by the invention, first clamp structure is far from the third clamp structure
The bearing groove for the circular part accommodating is formed on one side；The bearing groove and the circular part face contact, and with it is described
Cross-sectional shape around the contact position of part matches with the shape around part.It is held by being arranged on the first clamp structure
Carry slot, can contact area of the enlarged link between part and first clamp structure, when the pressing force around part is bigger
Can be avoided and damage the upper surface of first clamp structure by pressure, and by bearing groove can limitation ring around part in the axial direction
On shaking.
4. a kind of cable strain clamp provided by the invention is provided on second clamp structure and surround for described
Part passes through and moves radially the positioning through hole limited to the circular part.By the way that positioning through hole, the circular part is arranged
It passes through, can be determined during the cable strain clamp being installed and using the cable strain clamp from positioning through hole
Relative position between good second clamp structure and first clamp structure, third clamp structure makes second folder
Hold the position between structure and first clamp structure, third clamp structure be it is fixed, will not relatively move.
5. a kind of cable strain clamp provided by the invention, the circular part is in U-typed.By the way that the circular part is arranged
, by the connection of the closed end around part, it can make to surround the two of part open end when installing the circular part for U-typed
End stress equalization when tightening nut.
6. a kind of cable strain clamp provided by the invention, first lug is formed on first clamp structure, it is described
The second lug is formed on third clamp structure, and it is logical that the second installation has been separately formed in the first lug and second lug
Hole, the both ends for pulling and supporting part are inserted in second installation through-hole in the first lug and second lug respectively
In, and be removably secured and connect with the first lug, second lug respectively.It is convex by setting first lug and second
Ear can pull and support described part while being mounted on first clamp structure and the third clamp structure, so that pulling and supporting part
The power that pulls and supports of cable strain clamp is respectively acting on first clamp structure and the third clamp structure, is thus kept away
Exempt to pull and support power when acting on a clamp structure, which has been pulled out.
7. a kind of cable strain clamp provided by the invention, the first lug is directed away from by first clamp structure
The direction of the third clamp structure is extended, and second lug is directed away from first folder by the third clamp structure
Extend in the direction for holding structure.Setting in this way, can the reduction when the cable strain clamp to be installed on cable
Around interference of the part to part is pulled and supported.
8. a kind of cable strain clamp provided by the invention, second installation through-hole is long stripes through hole, and the length
The length extending direction of strip through-hole is consistent with the extending direction of straight line where the both ends of the pull rod.In this way when two second are pacified
When the distance between dress through-hole and the openings of sizes of U-typed pull rod have smaller gap, also it may be implemented the both ends of U-typed pull rod
It is swimmingly inserted in corresponding second installation through-hole.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic perspective view of the cable strain clamp provided in the first embodiment of the invention；
Fig. 2 is the side view of cable strain clamp shown in FIG. 1；
Fig. 3 is the top view of cable strain clamp shown in FIG. 1；
Fig. 4 is the front view of cable strain clamp shown in FIG. 1；
Description of symbols:
1- pulls and supports part；The first clamp structure of 2-；The second clamp structure of 3-；4- third clamp structure；5- is around part；6- clamping
Slot；7- bearing groove；The convex edge 8-；9- positioning through hole；10- first lug；The second lug of 11-；The second installation through-hole of 12-.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of cable strain clamp provided in this embodiment, including wire clip body and with
The wire clip body connection pulls and supports part 1, and the wire clip body includes: clamping device, and the clamping device includes at least two layers
Clamp structure is clamped at least one cable between the clamp structure of adjacent two layers；Fastening structure, removably around simultaneously
The whole installation that the clamping device and the cable are constituted is fastened, and is applied to the clamp structure one and clamps the cable
Active force.The integral loop that the fastening structure can be constituted the clamping device and the cable, in this way can be with around fastening
It is dispersed in fastening structure on the peripheral wall of clamping device to the power of the clamping device, prevents cable to the anti-of clamping device two sides
To power tilting under long duration of action the clamping device two sides causes the clamping to cable to loosen, and clamping device is allow to exist
Be used for a long time it is lower keep to cable it is effective, securely clamp.
In the present embodiment, it forms on the clamp structure and is moved for cable accommodating, to the radial direction of the cable
The dynamic holding tank 6 limited.
The shape of the holding tank 6 and the shape of the cable match.
Anti-skid structure is provided on the cell wall of the holding tank 6.It, can be with by the way that anti-skid structure is arranged on 6 wall of holding tank
Make to be not susceptible to axially opposing movement between cable and holding tank 6, clamping device can be made more to fasten to the clamping of cable, more have
Effect.In the present embodiment, the anti-skid structure is to form convex block on 6 cell wall of holding tank.
The clamping device includes three layers of clamp structure, is followed successively by the first clamp structure 2,3 and of the second clamp structure
Third clamp structure 4.As disposable embodiment, the clamping device can be two layers or four layers etc. of setting, respectively
The bunched cable of different number is clamped.
First clamp structure 2, second clamp structure 3 and the third clamp structure 4 are respectively plate.
The fastening structure includes around part 5, and described circular 5 one end of part and the side of the third clamp structure 4 are removable
Be fixedly connected with unloading, the other end successively surround second clamp structure 3 and first clamp structure 2 and with the third
The other side of clamp structure 4 is removably secured connection；The circular part 5 is contacted with first clamp structure 2 fitting.
The shape of the shape of one side of first clamp structure 2 far from the third clamp structure 4 and the circular part 5
Match.As disposable embodiment, one side of first clamp structure 2 far from the third clamp structure 4 is flat
Face, there are certain space between the plane and the circular part 5, and between the plane two side surfaces adjacent thereto
It is separately formed rounded corner, the rounded corner is contacted with the circular fitting of part 5, and the shape of the chamfering and the circular part
The shape of 5 contact positions matches.
First clamp structure 2 forms in the one side far from the third clamp structure 4 to be accommodated for the circular part 5
Bearing groove 7；The bearing groove 7 and circular 5 face contact of part, and the cross section shape in the contact position with the circular part 5
The shape of shape and the circular part 5 matches.By on the first clamp structure 2 be arranged bearing groove 7, can enlarged link around part 5
With the contact area between first clamp structure 2, can be avoided when the pressing force around part 5 is bigger by described first
The upper surface of clamp structure 2 is damaged by pressure, and being capable of shaking of the limitation ring around part 5 in the axial direction by bearing groove 7.
The two sides of the third clamp structure 4 have been separately formed convex edge 8, offer first respectively on each convex edge 8
Installation through-hole, the both ends of the circular part 5 are inserted in first installation through-hole of 4 two sides of third clamp structure respectively
In；
The both ends of the circular part 5 form screw thread, the fastening structure further include with described in circular 5 both ends of part
Screw thread corresponding matching and the nut for locking the circular part 5 with the convex edge 8.
It is provided with and is passed through for the circular part 5 and to the radial direction of the circular part 5 on second clamp structure 3
The mobile positioning through hole 9 limited.By the way that positioning through hole 9 is arranged, the circular part 5 is passed through from positioning through hole 9, Neng Gou
The cable strain clamp is installed and determines second clamp structure 3 and institute during using the cable strain clamp
The relative position between the first clamp structure 2, third clamp structure 4 is stated, second clamp structure 3 and first clamping are made
Position between structure 2, third clamp structure 4 be it is fixed, will not relatively move.
The circular part 5 is in U-typed.By setting U-typed for the circular part 5, the circular part 5 is being installed
When, by the connection of the closed end around part 5, the both ends for surrounding 5 open end of part stress equalization when tightening nut can be made.
First lug 10 is formed on first clamp structure 2, forms the second lug on the third clamp structure 4
11, the second installation through-hole 12, the both ends for pulling and supporting part 1 have been separately formed in the first lug 10 and second lug 11
Be inserted in second installation through-hole 12 in the first lug 10 and second lug 11 respectively, and respectively with it is described
First lug 10, second lug 11 are removably secured connection.It, can by setting first lug 10 and the second lug 11
It pulls and supports part 1 by described while being mounted on first clamp structure 2 and the third clamp structure 4, so that pulling and supporting 1 pair of electricity of part
The power that pulls and supports of cable strain clamp is respectively acting on first clamp structure 2 and the third clamp structure 4, in this way it is avoided that
When pulling and supporting power and acting on a clamp structure, which is pulled out.
The first lug 10 is extended by the direction that first clamp structure 2 is directed away from the third clamp structure 4
And go out, second lug 11 by the third clamp structure 4 be directed away from first clamp structure 2 direction extend and
Out.Setting in this way can be reduced around part 5 when the cable strain clamp to be installed on cable to pulling and supporting part 1
Interference.
The part 1 that pulls and supports is the pull rod in U-typed.
Second installation through-hole 12 is long stripes through hole, and the length extending direction of the long stripes through hole and the drawing
The extending direction of straight line is consistent where the both ends of bar.In this way when the distance between two second installation through-holes 12 and U-typed pull rod
Openings of sizes when having smaller gap, also may be implemented swimmingly for the both ends of U-typed pull rod to be inserted in corresponding described second
In installation through-hole 12.As disposable embodiment, second installation through-hole 12 or circular through hole.
In the present embodiment, the both ends of the holding tank 6 are respectively arranged with round and smooth chamfering, prevent from installing strain insulator
Cable is worn at the both ends of swing holding tank 6 after wire clamp with cable.In first clamp structure 2 and third clamp structure
4 are not provided with reinforcing rib on the surface of conductive cable contacts, so that the cable strain clamp is stronger, are able to bear bigger
Power.It is provided with groove at first installation through-hole and the second installation through-hole 12, for saving material.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (11)
1. a kind of cable strain clamp, what is connect including wire clip body and with the wire clip body pulls and supports part (1), and feature exists
In the wire clip body includes:
Clamping device, the clamping device include three layers of clamp structure, are followed successively by the first clamp structure (2), the second clamping
Structure (3) and third clamp structure (4) are clamped at least one cable between the clamp structure of adjacent two layers；Described
It is formed on one clamp structure (2) first lug (10), forms the second lug (11) on the third clamp structure (4)；Institute
First lug (10) is stated to be extended by the direction that first clamp structure (2) is directed away from the third clamp structure (4),
Second lug (11) by the third clamp structure (4) be directed away from first clamp structure (2) direction extend and
Out；It has been separately formed the second installation through-hole (12) on the first lug (10) and second lug (11), it is described to pull and support part
(1) both ends are inserted in second installation through-hole (12) in the first lug (10) and second lug (11) respectively
In, and be removably secured and connect with the first lug (10), second lug (11) respectively；
Fastening structure removably surround and fastens the whole installation that the clamping device and the cable are constituted, and is applied to
The clamp structure one clamps the active force of the cable；The fastening structure includes around part (5), the circular part (5)
One end is removably secured with the side of the third clamp structure (4) and connect, and the other end successively surround second clamping
Structure (3) and first clamp structure (2) and being removably secured with the other side of the third clamp structure (4) is connect；
The circular part (5) contacts with first clamp structure (2) fitting；Be provided on second clamp structure (3) for
The circular part (5) passes through and moves radially the positioning through hole (9) limited to the circular part (5).
2. cable strain clamp according to claim 1, which is characterized in that form on the clamp structure for described
Cable accommodating moves radially the holding tank (6) limited to the cable.
3. cable strain clamp according to claim 2, which is characterized in that the shape of the holding tank (6) and the electricity
The shape of cable matches.
4. cable strain clamp according to claim 2, which is characterized in that be provided on the cell wall of the holding tank (6)
Anti-skid structure.
5. cable strain clamp according to claim 1, which is characterized in that first clamp structure (2), described second
Clamp structure (3) and the third clamp structure (4) are respectively plate.
6. cable strain clamp according to claim 1, which is characterized in that first clamp structure (2) is far from described
The shape of the one side of third clamp structure (4) and the shape of the circular part (5) match.
7. cable strain clamp according to claim 6, which is characterized in that first clamp structure (2) is far from described
The bearing groove (7) for circular part (5) accommodating is formed in the one side of third clamp structure (4)；The bearing groove (7) and institute
It states around part (5) face contact, and in the shape of the cross-sectional shape of the contact position with the circular part (5) and the circular part (5)
Shape matches.
8. cable strain clamp according to claim 7, which is characterized in that
The two sides of the third clamp structure (4) have been separately formed convex edge (8), offer on each convex edge (8) respectively
One installation through-hole, the both ends of the circular part (5) are inserted in first installation of third clamp structure (4) two sides respectively
In through-hole；
The both ends of the circular part (5) form screw thread, and the fastening structure further includes described with circular part (5) both ends
Screw thread corresponding matching and the nut for locking the circular part (5) and the convex edge (8).
9. cable strain clamp according to claim 1 to 8, which is characterized in that the circular part (5) is in " U "
Type.
10. cable strain clamp according to claim 1, which is characterized in that described pull and support part (1) is the drawing in U-typed
Bar.
11. cable strain clamp according to claim 10, which is characterized in that second installation through-hole (12) is strip
Shape through-hole, and the length extending direction of the long stripes through hole is consistent with the extending direction of straight line where the both ends of the pull rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710662029.XA CN107276003B (en) | 2017-08-04 | 2017-08-04 | A kind of cable strain clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710662029.XA CN107276003B (en) | 2017-08-04 | 2017-08-04 | A kind of cable strain clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107276003A CN107276003A (en) | 2017-10-20 |
| CN107276003B true CN107276003B (en) | 2019-11-12 |
Family
ID=60076162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710662029.XA Active CN107276003B (en) | 2017-08-04 | 2017-08-04 | A kind of cable strain clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107276003B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1445191A (en) * | 1973-04-18 | 1976-08-04 | Dunlop Ltd | Venting means for valves |
| CN203839881U (en) * | 2014-05-21 | 2014-09-17 | 国网四川省电力公司成都市新都供电分公司 | Strain clamp structure specially used for 110KV transmission line |
| CN204633277U (en) * | 2015-05-28 | 2015-09-09 | 上升电力科技有限公司 | Four-core centralized strain clamp |
| CN204793941U (en) * | 2014-09-18 | 2015-11-18 | 国家电网公司 | Device is prevented moving back by quick fastener of transmission line aluminum alloy |
| CN207117125U (en) * | 2017-08-04 | 2018-03-16 | 永固集团股份有限公司 | A kind of cable strain clamp |
-
2017
- 2017-08-04 CN CN201710662029.XA patent/CN107276003B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1445191A (en) * | 1973-04-18 | 1976-08-04 | Dunlop Ltd | Venting means for valves |
| CN203839881U (en) * | 2014-05-21 | 2014-09-17 | 国网四川省电力公司成都市新都供电分公司 | Strain clamp structure specially used for 110KV transmission line |
| CN204793941U (en) * | 2014-09-18 | 2015-11-18 | 国家电网公司 | Device is prevented moving back by quick fastener of transmission line aluminum alloy |
| CN204633277U (en) * | 2015-05-28 | 2015-09-09 | 上升电力科技有限公司 | Four-core centralized strain clamp |
| CN207117125U (en) * | 2017-08-04 | 2018-03-16 | 永固集团股份有限公司 | A kind of cable strain clamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107276003A (en) | 2017-10-20 |
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Denomination of invention: Cable strain clamp Effective date of registration: 20210915 Granted publication date: 20191112 Pledgee: Agricultural Bank of China Limited by Share Ltd. Yueqing branch Pledgor: YONGGU GROUP CORPORATION Co.,Ltd. Registration number: Y2021330001621 |
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