CN109038435A - Automatic clamping-type wedge strain resistance cable clamp - Google Patents

Automatic clamping-type wedge strain resistance cable clamp Download PDF

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Publication number
CN109038435A
CN109038435A CN201811189704.2A CN201811189704A CN109038435A CN 109038435 A CN109038435 A CN 109038435A CN 201811189704 A CN201811189704 A CN 201811189704A CN 109038435 A CN109038435 A CN 109038435A
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CN
China
Prior art keywords
cap
clamp
wiring clip
clip shell
shell
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Granted
Application number
CN201811189704.2A
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Chinese (zh)
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CN109038435B (en
Inventor
杨震
杨瑞
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Shanghai Shuzhong Electric Co Ltd
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Shanghai Shuzhong Electric Co Ltd
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Priority to CN201811189704.2A priority Critical patent/CN109038435B/en
Publication of CN109038435A publication Critical patent/CN109038435A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00Overhead installations of electric lines or cables
    • H02G7/02Devices for adjusting or maintaining mechanical tension, e.g. take-up device

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  • Clamps And Clips (AREA)

Abstract

It further include that main spring and taper lead cap this application discloses automatic clamping-type wedge strain resistance cable clamp, including wiring clip shell and several pairs of gripping blocks;The cavity of circular platform type is provided in the wiring clip shell, the gripping block activity fits together into the rotary table clamp of center tape channel, the main spring is set at the wide mouth end in cavity, and main spring one end resists rotary table clamp, the main spring other end directly or indirectly resists wiring clip shell, and main spring is in compressive state always, and the direct or indirect active card of cap of leading is clipped in wiring clip shell, and lead cap and be located at cavity slot end side, it leads at cap and channel point-blank;When conducting wire heads on and leads cap and move into wiring clip shell, cap is led to fall from wiring clip shell into channel, channel broadens, and cap is led on one side to when the wide opening end motion of cavity, on one side by gripping block top at the wide mouth end of cavity, it leads cap to move to when leaving rotary table clamp, main spring is by rotary table clamp bullet at the slot end of cavity.

Description

Automatic clamping-type wedge strain resistance cable clamp
Technical field
The present invention relates to strain clamp field more particularly to a kind of automatic clamping-type wedge strain resistance cable clamps.
Background technique
Strain clamp is that conducting wire connects common auxiliary tool, is considered for the convenience of safety and operation, at present Most commonly used strain clamp is wedge strain resistance cable clamp.It is exhausted that patent CN2018202599153 provides a kind of novel NXJ wedge shape Edge strain clamp, this wedge strain resistance cable clamp include wiring clip shell, upper clamp, lower clamp, bolt and fixing bolt, this Wedge strain resistance cable clamp working method is as follows: i.e. after conducting wire is filled between upper clamp and lower clamp, needing manually to turn Bolt and fixing bolt in wiring clip shell, so that wiring clip shell clamps upper clamp and lower clamp, by clamping upper clamp under Clamp realizes the conducting wire clamped between upper clamp and lower clamp.Since this wedge strain resistance cable clamp must be by manually Bolt is turned to clamp conducting wire, can not Automatic-clamping conducting wire, be inconvenient, it is especially inconvenient in operation in pylon.
Summary of the invention
The present invention is in view of the above-mentioned problems, propose a kind of automatic clamping-type wedge strain resistance cable clamp.
The technical solution adopted by the present invention is as follows:
A kind of automatic clamping-type wedge strain resistance cable clamp, including wiring clip shell and several pairs of gripping blocks, further include main spring and Taper leads cap;The cavity of circular platform type is provided in the wiring clip shell, the gripping block activity fits together into center band The rotary table clamp in channel, the main spring are set at the wide mouth end in cavity, and main spring one end resists rotary table clamp, main The spring other end directly or indirectly resists wiring clip shell, and main spring is in compressive state always, and described to lead cap direct or indirect Active card is clipped in wiring clip shell, and is led cap and be located at cavity slot end side, is led at cap and channel point-blank;When Conducting wire heads on when leading cap and moving into wiring clip shell, leads cap and falls from wiring clip shell into channel, channel broadens, and leads Rotary table is left at the wide mouth end of cavity, leading cap and move on one side on one side to when the wide opening end motion of cavity in gripping block top by cap When clamp, by rotary table clamp bullet at the slot end of cavity, channel narrows, conducting wire is clamped block and clamps main spring.
In the present apparatus, when operator, which holds conducting wire, to fill in toward wiring clip shell the inside, conducting wire can first withstand and lead cap, and And conducting wire can will lead cap roof fall from wiring clip shell, and can will lead crown into the channel of rotary table clamp, head on lead cap on one side On one side towards the wide opening end motion of cavity, when leading cap leaving channel, main spring can be by the slot by rotary table clamp bullet to cavity At end, conducting wire can be clamped block and clamp.
The present apparatus, come automatic clamping cables, is not necessarily to manual hand manipulation by the collective effect of spring and gripping block, convenient Fast, securely and reliably.
It optionally, further include auxiliary spring, the gripping block has been combined together into two rotary table clamps, two rotary table folders Point-blank, the auxiliary spring is set between two rotary table clamps the axial line of body.
Because conducting wire is generally divided into two layers inside and outside (common such as steel-cored aluminium strand and insulated conductor, load-bearing steel core outer layer It is aluminium stock, aluminium stock is wrapped on load-bearing steel core;Insulated conductor outer layer is rubber, and center is copper wire or aluminum steel), with two rotary tables Clamp carrys out clip effect, and more preferable (1 for steel-cored aluminium strand, the rotary table clamp at slot end clamps load-bearing steel core when clip, and wide opening The rotary table clamp at end clamps outer layer aluminium thigh point;2 by taking rubber conducting wire as an example, the rotary table clamp at slot end clamps rubber when clip Layer, and the rotary table clamp of wide mouth end clamps copper wire or aluminum steel), the width in the channel of specific two rotary table clamps is different , the channel of the rotary table clamp at wide mouth end is greater than positioned at the width in the channel of the rotary table clamp of cavity slot end side.It utilizes Two rotary table clamps come that clip effect is more preferable, so that the clamping effect of the present apparatus is better than fluid pressure type strain clamp, but relative to liquid The strain clamp of pressure type eliminates hydraulic process using the present apparatus, eliminate be put into after having measured segment length on tower on the ground compress again, Then it is raised again to the process tensed again on tower, has saved a large amount of manpower and the human error in hydraulic work.
It should be noted that in order to guarantee good clip effect, when two pieces of gripping blocks fit together completely, institute's shape At channel in ellipse because the clip effect of ellipse is better than circular clip effect.
It optionally, further include insulating pad, the insulating pad is set in wiring clip shell, and described main spring one end Rotary table clamp is resisted, the main spring other end resists insulating pad.
Optionally, the gripping block is the gripping block of semi- cylindrical, and semicircular arc-shaped is provided at the center of gripping block Groove.
Two pieces of gripping blocks are combined together into rotary table clamp, and the groove of two semicircular arcs is to be for clamping conducting wire Keep the clamping effect of groove more preferable, several screw threads can be set to increase friction in the surface of groove.
Optionally, protrusion and indent are provided in the gripping block, when two pieces of gripping blocks fit together into rotary table clamp When, the protrusion in one piece of gripping block is located in the indent of another piece of gripping block.
Protrusion can guarantee that the gripping block that two pieces are paired together will not fall disengaging with the cooperation of indent, can be with Guarantee that clip effect is more preferable in use.
It optionally, further include guide ring, the guide ring is set in wiring clip shell, described to lead cap activity clip and lead To on ring.
Specific guide ring can be the annulus of a plastic cement, and guide ring fixing clamp is in wiring clip shell, and it is living for leading cap Dynamic clip is on guide ring.
It optionally, further include connecting column, described connecting column one end is located in wiring clip shell, and connecting column one end resists or not Insulating pad is resisted, the connecting column other end is located at outside wiring clip shell;Interior concave ring groove is provided on the side wall of the connecting column, when When needing to clamp conducting wire, by the partial shell of wiring clip shell to bending at connecting column, so that the partial shell of wire clamp shell resists Connecting column is clamped in wire clamp shell by the outer wall of connecting column.
It (will not fall off) when insulating pad is fixed in wiring clip shell, connecting column is without resisting insulating pad, when exhausted Edge backing plate is only that (can fall off) when being stuck in wiring clip shell, and connecting column one end needs to resist insulating pad;While in order to Successfully the partial shell of wire clamp shell is bent at connecting column, lacking for some strips can be set at shell in this section Mouthful, convenient for bending this partial shell.
Connecting column is located at one end outside wiring clip shell and can connect with other connection structures.It is imitated simultaneously in order to clamp Fruit is more preferable, can by way of hydraulic compression clip wire clamp shell shell wall so that wire clamp shell part shell wall be clamped In interior concave ring groove, increase the frictional force of wiring clip shell and connecting column.While in order to which wiring clip shell is firmly clamped in connector On, connecting column can be substantially in multistage round table-like pillar, and wide one end is located in wiring clip shell, and narrow one end is located at line Clip shell is external.
Optionally, the gripping block is conductive gripping block, and the wiring clip shell is conductive wiring clip shell, the company Connect the connecting column that column is insulation or conduction.
Optionally, the wiring clip shell is the wiring clip shell of circular platform type, and the both ends open of wiring clip shell, cavity and two The opening at end communicates.
Optionally, the taper lead cap be sharp cone distal lead cap or elliptic conic shape lead cap.
No matter sharp cone distal lead cap or elliptic conic shape lead cap, lead the lateral surface of cap must be it is smooth, for using Easy to operate consideration, pays the utmost attention to the cap of leading using elliptic conic shape, and the structure for leading cap of elliptic conic shape is similar to condom At head.
The beneficial effects of the present invention are: the present apparatus is by the collective effect of spring and gripping block come automatic clamping cables, nothing Manual hand manipulation is needed to clamp, it is convenient and efficient, securely and reliably.
Detailed description of the invention:
Fig. 1 is the structure schematic diagram of gripping block;
Fig. 2 is the structure schematic diagram of embodiment 1;
Fig. 3 is the structure schematic diagram of embodiment 2;
Fig. 4 is the structure schematic diagram of embodiment 3;
Fig. 5 is the enlarged structure schematic diagram in Fig. 3 at A.
Each appended drawing reference in figure are as follows: 1, wiring clip shell, 101, wide mouth end, 102, slot end, 2, gripping block, 201, protrusion, 202, indent, 203, groove, 301, main spring, 302, auxiliary spring, 4, lead cap, 5, channel, 6, insulating pad, 7, connecting column, 701, interior concave ring groove, 8, guide ring, 9, trident anchor, 10, hanging ring, 11, channelizing line.
Specific embodiment:
Below with reference to each attached drawing and each embodiment, the present invention will be described in detail.
Embodiment 1
Single rotary table clamp formula automatic clamping-type wedge strain resistance cable clamp
As shown in attached drawing 1 and attached drawing 2, a kind of automatic clamping-type wedge strain resistance cable clamp, including wiring clip shell 1, two clampings Block 2, guide ring 8 lead cap 4, connecting column 7, insulating pad 6 and main spring 301.The cavity of circular platform type is provided in wiring clip shell 1 (cavity both ends are perforations, are similar to sleeve), two gripping blocks 2 are matched in such a way that protrusion 201 cooperates with indent 202 Together at rotary table clamp, and the groove 203 of two gripping blocks 2 has been combined together (two folders of channel 5 at rotary table clamp When tight block 2 fits together completely, channel 5 is in ellipse), insulating pad 6 (can be one piece of insulating rigid plastic plate) setting It (can be gluing to be fixed in wiring clip shell 1, be also possible to clip in wiring clip shell 1) at the wide mouth end 101 of cavity, 301 one end of main spring resists rotary table clamp, and 301 other end of main spring resists insulating pad 6, and one end of connecting column 7 is located at wire clamp In shell 1 (and withstanding insulating pad 6), the partial shell of wiring clip shell 1 is bent to connecting column 7, this partial shell resists pressure The side wall being tightly connected on column 7, at the same by the part shell wall of wiring clip shell compress in (wiring clip shell 1 in attached drawing 2 701 in concave ring groove Part shell wall be not yet pressed into 701 in interior concave ring groove, when Specific construction, can be pressed into hydraulic tongs) so that connecting column 7 with It can not shake between wiring clip shell 1, also can not shift and shake between connecting column 7 and guide post, 8 (plastic cement of guide ring Annulus) (ratio of clip is stronger, and guide ring 8 is not easy to fall from wiring clip shell 1), elliptic conic shape are stuck in wiring clip shell 1 Cap 4 of leading (structure is similar to the head of condom, preferentially cap 4 is led using elliptic conic shape in the present embodiment, because of sharp cone distal Be not easy clip on guide ring 8) clip on guide ring 8 (because the hole among guide ring 8 be it is circular, to leading cap 4 one End is also circle, so leading cap 4 and the clip intensity of guide ring 8 is not high, conducting wire, which heads on, leads cap 4 into wiring clip shell 1 one It pushes away, guide ring 8 can be detached from by leading cap 4).
In order to connect conducting wire on direct-on-line clip shell body 1, gripping block 2 and wiring clip shell 1 are all conductive in this implementation , and connecting column 7 be when tail end does not load it is nonconducting, when not connecing drainage thread in wiring clip shell 1 or connecting column end When there is load at end, connecting column 7 is conductive.Connecting column is conductive or non-conductive can select according to the needs of use.
Embodiment 2
Double rotary table clamp formula automatic clamping-type wedge strain resistance cable clamps
As shown in attached drawing 1, attached drawing 3 and attached drawing 5, a kind of automatic clamping-type wedge strain resistance cable clamp, including wiring clip shell Isosorbide-5-Nitrae A gripping block 2, guide ring 8 lead cap 4, connecting column 7, insulating pad 6, main spring 301 and auxiliary spring 302.It is set in wiring clip shell 1 It is equipped with the cavity (cavity both ends are perforations, are similar to sleeve) of circular platform type, 4 gripping blocks 2 pass through protrusion 201 and indent 202 The mode of cooperation is paired together into 2 rotary table clamps, and the groove 203 of two gripping blocks 2 has been combined together into rotary table folder The channel 5 (when two gripping blocks 2 fit together completely, channel 5 is in ellipse, and there are two channels 5 in the present embodiment) of body, Two rotary table clamps are arranged in cavity, and auxiliary spring 302 is located between two rotary table clamps, and the rotary table positioned at slot end 102 presss from both sides The width in the channel 5 of body is greater than 5 width of channel of the rotary table clamp of wide mouth end 101.
Insulating pad 6 (can be one piece of insulating rigid plastic plate), which is arranged at the wide mouth end 101 of cavity, (can be glue Cementation is scheduled in wiring clip shell 1, is also possible to clip in wiring clip shell 1), 301 one end of main spring resists rotary table clamp, main 301 other end of spring resists insulating pad 6, and one end of connecting column 7 is located in wiring clip shell 1 (and withstanding insulating pad 6), line The partial shell of clip shell body 1 is bent to connecting column 7, this partial shell resists the side wall compressed on connecting column 7, while by wire clamp The part shell wall of shell compress in 701 (the part shell wall of wiring clip shell 1 is not yet pressed into interior concave ring groove in attached drawing 2 in concave ring groove Interior 701, when Specific construction, can be pressed into hydraulic tongs) not shifting between connecting column 7 and wiring clip shell 1 with It shakes, guide ring 8 (plastic cement annulus) is stuck in wiring clip shell 1 that (ratio of clip is stronger, and guide ring 8 is not easy from wiring clip shell 1 On fall), (structure is similar to the head of condom to the cap 4 of leading of elliptic conic shape, preferentially using elliptic conic shape in the present embodiment Cap 4 is led, because sharp cone distal is not easy clip on guide ring 8) (hole because of 8 centre of guide ring is clip on guide ring 8 It is circular, it is also round to 4 one end of cap is led, so leading cap 4 and the clip intensity of guide ring 8 is not high, conducting wire, which heads on, leads cap 4 Into wiring clip shell 1, one is pushed away, and guide ring 8 can be detached from by leading cap 4).
In order to connect drainage thread on direct-on-line clip shell body 1, gripping block 2 and wiring clip shell 1 are all conductive in this implementation , and connecting column 7 be when tail end does not load it is nonconducting, when not connecing drainage thread in wiring clip shell 1 or connecting column end When there is load at end, connecting column 7 is conductive.Connecting column is conductive or non-conductive can select according to the needs of use.
When the present embodiment is in use it should be noted that a bit, because being provided with two rotary table clamps in the present embodiment, working as conducting wire It pushes when leading cap and leaving first rotary table clamp, leads cap and there is the possibility fallen from conducting wire, so that conducting wire cannot be introduced into Second rotary table clamp, in order to avoid this phenomenon, can by conducting wire with lead cap and be fixedly clamped together or cap will be led and led Line sticks together, so that leading cap will not fall when leaving first rotary table clamp from conducting wire.
Round estrade of the gripping block with synthesis is not a regular round estrade in the present embodiment, but two sides are to centre Acclive protrusion round estrade, the purpose being arranged in this way are processes in order to move up and down in gripping block from being unlikely to block, More easily clamp main spring and auxiliary spring.
Need be to embodiment 1 and 2 further explanation of embodiment, the transverse cross-sectional of rotary table clamp can be one it is complete Whole circle is also possible to ellipse, and preferential recommendation uses ellipse in actual use.
Embodiment 3
Trident anchor formula NXZ automatic clamping-type wedge strain resistance cable clamp
As shown in Fig. 4, including trident anchor 9, hanging ring 10 and channelizing line 11 and embodiment 1 or embodiment 2 provide automatic folder Compact form wedge strain resistance cable clamp, hanging ring one end are fixed on trident anchor one end (hanging ring can also be integrally formed with trident anchor), and three The fork another both ends of anchor are respectively connected to an automatic clamping-type wedge strain resistance cable clamp respectively, and (can be all is that embodiment 1 provides, can also All it is that embodiment 2 provides to be, is also possible to respectively provide one by embodiment 1 and embodiment 2), two automatic clamping-type wedges The wiring clip shell 1 of shape strain clamp is linked together by the conducting of channelizing line 11.Specific trident anchor can be fixed with connecting column Link together, can also be directly served as with one end of trident anchor connecting column (such words trident anchor when tail end does not load not Conduction, and an end structure of trident anchor is similar to connecting column (being also equipped with interior concave ring groove))
In embodiment 3 it should be noted that in order to guarantee use intensity, hanging ring 10 and trident anchor 9 be preferably one at Type, trident anchor 9 can be conductive material and be made, and be also possible to made of electrically non-conductive material, because being not on trident anchor 9 Have what electric current flowed through, but gripping block and wiring clip shell must be conductive.
The above description is only a preferred embodiment of the present invention, not thereby limits scope of patent protection of the invention, all It is directly or indirectly to be used in other relevant skills with equivalent structure transformation made by description of the invention and accompanying drawing content Art field similarly includes within the scope of the present invention.

Claims (10)

1. a kind of automatic clamping-type wedge strain resistance cable clamp, including wiring clip shell and several pairs of gripping blocks, which is characterized in that further include Main spring and taper lead cap;The cavity of circular platform type is provided in the wiring clip shell, the gripping block activity fits together At the rotary table clamp of center tape channel, the main spring is set at the wide mouth end in cavity, and main spring one end resists rotary table Clamp, the main spring other end directly or indirectly resist wiring clip shell, and main spring is in compressive state always, and described to lead cap direct Or indirect activity clip is in wiring clip shell, and leads cap and be located at cavity slot end side, leads cap and channel is in straight line On;When conducting wire heads on and leads cap and move into wiring clip shell, to lead cap and fall from wiring clip shell into channel, channel broadens, And lead cap on one side to when the wide opening end motion of cavity, gripping block top is left at the wide mouth end of cavity, leading cap and move on one side When rotary table clamp, by rotary table clamp bullet at the slot end of cavity, channel narrows, conducting wire is clamped block and clamps main spring.
2. automatic clamping-type wedge strain resistance cable clamp as described in claim 1, which is characterized in that it further include auxiliary spring, the folder Tight block has been combined together into two rotary table clamps, and point-blank, the auxiliary spring is set the axial line of two rotary table clamps It is placed between two rotary table clamps.
3. automatic clamping-type wedge strain resistance cable clamp as described in claim 1, which is characterized in that it further include insulating pad, it is described Insulating pad is set in wiring clip shell, and described main spring one end resists rotary table clamp, and the main spring other end resists felt pad Plate.
4. automatic clamping-type wedge strain resistance cable clamp as described in claim 1, which is characterized in that the gripping block is semi- cylindrical Gripping block, and the groove of semicircular arc-shaped is provided at the center of gripping block.
5. automatic clamping-type wedge strain resistance cable clamp as claimed in claim 4, which is characterized in that be provided in the gripping block convex It rises and indent, when two pieces of gripping blocks fit together into rotary table clamp, protrusion in one piece of gripping block is located at another piece of clamping In the indent of block.
6. automatic clamping-type wedge strain resistance cable clamp as described in claim 1, which is characterized in that it further include guide ring, it is described to lead It is set in wiring clip shell to ring, the cap active card of leading is sandwiched on guide ring.
7. automatic clamping-type wedge strain resistance cable clamp as claimed in claim 1 or 3, which is characterized in that it further include connecting column, it is described Connecting column one end is located in wiring clip shell, and connecting column one end resists or do not resist insulating pad, and the connecting column other end is located at wire clamp Outside shell;Interior concave ring groove is provided on the side wall of the connecting column, when needing to clamp conducting wire, by the partial shell of wiring clip shell It is bent to connecting column, so that the partial shell of wire clamp shell resists the outer wall of connecting column, connecting column is clamped in wire clamp shell It is interior.
8. automatic clamping-type wedge strain resistance cable clamp as claimed in claim 7, which is characterized in that the gripping block is conductive folder Tight block, the wiring clip shell are conductive wiring clip shell, and the connecting column is the connecting column of insulation or conduction.
9. automatic clamping-type wedge strain resistance cable clamp as described in claim 1, which is characterized in that the wiring clip shell is circular platform type Wiring clip shell, and the both ends open of wiring clip shell, cavity are communicated with the opening at both ends.
10. automatic clamping-type wedge strain resistance cable clamp as described in claim 1, which is characterized in that the taper leads cap as point Taper lead cap or elliptic conic shape lead cap.
CN201811189704.2A 2018-10-12 2018-10-12 Automatic clamping type wedge-shaped strain clamp Active CN109038435B (en)

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CN109038435B CN109038435B (en) 2024-02-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109826034A (en) * 2019-03-07 2019-05-31 中国十七冶集团有限公司 A kind of single steel strand connector and its operating method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1018967A (en) * 1963-07-23 1966-02-02 Cable Covers Ltd Improvements in and relating to anchor grips for use in tensioning the wires,rods or stranded elements in prestressed concrete structures
CN2195814Y (en) * 1994-04-06 1995-04-26 胡定超 Automatic cable clamp
CN105870864A (en) * 2016-06-23 2016-08-17 江西赣发机械制造有限公司 Rapid continuing strain clamp
CN206060127U (en) * 2016-10-08 2017-03-29 国家电网公司 Conductor strain clamp
CN208753928U (en) * 2018-10-12 2019-04-16 上海蜀中电气有限公司 Automatic clamping-type wedge strain resistance cable clamp

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1018967A (en) * 1963-07-23 1966-02-02 Cable Covers Ltd Improvements in and relating to anchor grips for use in tensioning the wires,rods or stranded elements in prestressed concrete structures
CN2195814Y (en) * 1994-04-06 1995-04-26 胡定超 Automatic cable clamp
CN105870864A (en) * 2016-06-23 2016-08-17 江西赣发机械制造有限公司 Rapid continuing strain clamp
CN206060127U (en) * 2016-10-08 2017-03-29 国家电网公司 Conductor strain clamp
CN208753928U (en) * 2018-10-12 2019-04-16 上海蜀中电气有限公司 Automatic clamping-type wedge strain resistance cable clamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109826034A (en) * 2019-03-07 2019-05-31 中国十七冶集团有限公司 A kind of single steel strand connector and its operating method

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