CN105762719B - Device for dead earth cable - Google Patents
Device for dead earth cable Download PDFInfo
- Publication number
- CN105762719B CN105762719B CN201610129670.2A CN201610129670A CN105762719B CN 105762719 B CN105762719 B CN 105762719B CN 201610129670 A CN201610129670 A CN 201610129670A CN 105762719 B CN105762719 B CN 105762719B
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- anchor ear
- protruding block
- hoop
- hole
- cable
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- 238000009434 installation Methods 0.000 description 19
- 239000002390 adhesive tape Substances 0.000 description 3
- 238000011900 installation process Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
Abstract
The invention discloses a kind of device for dead earth cable, belong to electric power apparatus technical field, including the main anchor ear coordinated with leader cable and the secondary anchor ear coordinated with earth cable, connected between main anchor ear and secondary anchor ear by attachment means；The main anchor ear includes the upper hoop and lower hoop cooperated together, and main anchor ear is provided with the threading hole coordinated with leader cable；The secondary anchor ear includes the upper hoop piece and lower hoop piece cooperated together, and secondary anchor ear is provided with the threading hole coordinated with earth cable.Provided by the present invention for the device of dead earth cable, overall structure is simple, reasonable in design, and earth cable is connected into leader cable by main anchor ear, secondary anchor ear and attachment means, the mounting stability of earth cable is substantially increased.Spring is set with connecting rod, spring has the characteristic recovered automatically, the heat wriggling between main anchor ear and secondary anchor ear can be eliminated, make to realize flexible connection between secondary anchor ear and main anchor ear.
Description
Technical field
The present invention relates to electric power apparatus technical field, more particularly to a kind of device of use dead earth cable.
Background technology
With the development of the social economy, the power supply quality in order to improve power network, improves environmental aspect, land resource is had
Effect is utilized, and more overhead transmission lines have been transformed into power cable.In reform strengthening, substantial amounts of terminal tower, terminal tower have been built in increasing
Increase to operation maintenance and maintenance propose different requirements.The fixation of earth cable is typically all adopted in existing cable terminal tower
It is directly wound in adhesive tape on leader cable, due to natural cause and the cause for quality of fixation adhesive tape, the adhesive tape of dead earth cable
Damaged, fracture occurs, causes earth cable to depart from leader cable, hangs in hole or on terminal tower, the operation to power cable
Potential safety hazard is brought, does not reach power construction technological requirement.Meanwhile, the workload of upkeep operation is added, and the economy caused
Waste larger.
The content of the invention
In order to solve the shortcoming and defect that above-mentioned prior art is present, it is easy to consolidate earth cable the invention provides one kind
Device for dead earth cable of the Dingan County on leader cable.
In order to reach above-mentioned technical purpose, provided by the present invention for the device of dead earth cable, including with leader cable
The main anchor ear coordinated and the secondary anchor ear coordinated with earth cable, are connected between main anchor ear and secondary anchor ear by attachment means；It is described
Main anchor ear includes the upper hoop and lower hoop cooperated together, and main anchor ear is provided with the threading hole coordinated with leader cable；
The secondary anchor ear includes the upper hoop piece and lower hoop piece cooperated together, and secondary anchor ear is provided with and wearing that earth cable coordinates
String holes.
Threading hole and leader cable on main anchor ear coordinate, and the threading hole on secondary anchor ear coordinates with earth cable, and secondary anchor ear leads to
Cross attachment means and be connected to main anchor ear, so that earth cable is connected into leader cable.
It is preferred that, the attachment means include connecting rod, and main anchor ear is provided with the through hole coordinated with connecting rod, and secondary anchor ear is provided with
The mounting hole coordinated with connecting rod, one end and the through hole of connecting rod are connected in main anchor ear, and the other end and the mounting hole of connecting rod coordinate
It is connected to secondary anchor ear.
It is preferred that, spring is set with the connecting rod, the two ends of spring are born against on main anchor ear and secondary anchor ear.
The pocketed springs on connecting rod, and the two ends of spring are born against on main anchor ear and secondary anchor ear, spring has stress
The characteristic recovered automatically when deforming, not stressing afterwards, can eliminate the heat wriggling between connecting rod, main anchor ear and secondary anchor ear, and device is whole
Body is unlikely to deform, and device whole service life is effectively ensured.
It is preferred that, the upper hoop and lower hoop are respectively equipped with outwardly directed convex in the side axially in parallel with connecting rod
Block and lower protruding block, and the stretching direction of upper protruding block and the stretching direction of lower protruding block are consistent and axially consistent with leader cable, it is convex
Block and lower protruding block are provided with the through hole coordinated with connecting rod；The connecting rod is threaded rod, connection with the position that upper hoop is connected
Device also includes the top nut with shaft, under top nut is tightened against the other end of threaded rod and is resisted against upper protruding block dorsad
The side of projection, one end of spring is resisted against the side of lower protruding block dorsad upper protruding block.
Main anchor ear is fixed together by the cooperation of top nut and threaded rod, and connected mode is simple, and connects firm.
Further, nut is tightened for the ease of staff is free-hand, top nut can use wing nut.
It is preferred that, the connecting rod is provided with two and is symmetricly set in the both sides of threading hole, and upper protruding block and lower protruding block are also distinguished
It is symmetrically set in provided with two and each the both sides of threading hole.
Connecting rod, upper protruding block and lower protruding block are respectively provided with two and are each symmetrical arranged, and are easy to the carrying for improving device entirety strong
Degree, improves the bonding strength that earth cable is connected to leader cable, it is ensured that electric power technological requirement.In addition, three is each symmetrical arranged,
The overall stress of device can be made more balanced.
It is preferred that, one of upper protruding block is provided with through hole, and another upper protruding block is provided with the coordinated with connecting rod
One open slot, the length direction of the first open slot is consistent with the stretching direction of upper protruding block；The side of first open slot length direction
Limiting section of the inwall provided with protrusion, limiting section is another towards the end of the first opening groove center and the first open slot length direction
The distance between side inwall is more than the path of threaded rod and less than the big footpath of threaded rod.
First open slot is set on another upper protruding block, and during installation, upper hoop passes through the through hole set on the upper protruding block of side
Connecting rod is not departed from connecting rod and all the time, top nut, which is unscrewed, makes the spacing between upper hoop and lower hoop slightly larger than leader cable
Diameter.Leader cable is caught in after threading hole, rotating upper hoop makes the first open slot on upper protruding block be caught in connecting rod, then tightens both sides
Top nut, it is easy for installation, and in installation process, top nut and upper hoop are enclosed on connecting rod all the time, staff is installing
When do not have to concern the problems such as part drops, be easy to operation.As preferred, can be set with the end of threaded rod one it is spacing
Ring, further avoids top nut whiz threaded rod in installation process.
It is preferred that, the upper hoop piece include curved upper arc clamping section and located at upper arc clamping section both sides and with it is upper
Arc clamping section is set to integral fixed part, and the mounting hole is on fixed part；The lower hoop piece includes curved lower arc
Shape clamping section and the connecting portion located at arc lower clamping section both sides, upper arc clamping section and arc lower clamping section combine to form threading
Hole；The locking nut coordinated between upper hoop piece and lower hoop piece by bolt and with bolt links together, the fixed part of upper hoop piece
With the upper connecting hole and lower connecting hole that coordinate with bolt is respectively equipped with the connecting portion of lower hoop piece, and upper connecting hole is compared with mounting hole more
Close to upper arc clamping section, the length of connecting portion is less than the length of fixed part.
Upper hoop piece and lower hoop piece and the thickness for being partially fabricated arc, being easy to reduce upper hoop piece and lower hoop piece of earth cable cooperation
Degree, and then the overall weight of alleviator, to mitigate the load-bearing of leader cable.Pass through bolt and and spiral shell between upper hoop piece and lower hoop piece
The nut that bolt coordinates links together, and attachment structure is simple, easy for installation.
It is preferred that, the lower connecting hole on the lower hoop piece side connecting portion is the second open slot, the length of the second open slot
Direction is consistent with the length direction of earth cable；The side inwall of second open slot length direction is provided with the first protuberance, the
Be open towards second the distance between end and the second open slot length direction opposite side inwall of groove center of one protuberance is more than
The path of bolt and the big footpath for being less than bolt.
Lower connecting hole on the connecting portion of lower hoop piece side is arranged to the second open slot, secondary anchor ear is connected with earth cable
When, unscrew locking nut, lower hoop the distance between piece and upper hoop piece is slightly larger than the diameter of earth cable, earth cable is caught in
In threading hole, rotate lower hoop piece to bolt and be caught in the second open slot, secondary anchor ear can be completed by then tightening both sides locking nut
With the installation of earth cable.In installation process, locking nut and lower hoop piece are sleeved under bolt all the time, are easily installed personnel or inspection
Human users are repaiied, part is difficult to lose and dropped.
It is preferred that, the arc lower clamping section is integrated with side connecting portion, and opposite side connecting portion is individually formed tongue piece, tongue
The end of one end of piece and arc lower clamping section dorsad connecting portion is by the way that together with hinge, connecting portion is provided with the 3rd opening
Groove, the length direction of the 3rd open slot is vertical with the length direction of earth cable and is stretched out with connecting portion from arc lower clamping section
Length direction is consistent.
Lower hoop piece is arranged to split-type structural, one locking nut of completion tightens during installation.During installation, it will use
In the locking nut screwing of fixing tongue, whiz opposite side locking nut, rotating arc lower clamping section makes threading hole in unlimited
State, earth cable is caught in threading hole, and rotating arc lower clamping section makes the 3rd open slot on connecting portion be stuck on bolt,
Then the connection between earth cable and secondary anchor ear can be completed by tightening another locking nut, be easily installed personnel or maintainer
Operation.
It is preferred that, the side inwall of the 3rd open slot length direction is provided with the second protuberance, the second protuberance court
It is more than the path of bolt to the distance between the end of the 3rd opening groove center and the 3rd open slot length direction opposite side inwall
And less than the big footpath of bolt.
The second protuberance is set on the inwall of the 3rd open slot, connecting portion is stuck in spiral shell all the time before locking nut screwing
On bolt, it is easy to work about electric power personnel one hand to complete operation.
Provided by the present invention for the device of dead earth cable, overall structure is simple, reasonable in design, by main anchor ear,
Earth cable is connected to leader cable by secondary anchor ear and attachment means, substantially increases the mounting stability of earth cable.On connecting rod
Spring is set with, spring has the characteristic recovered automatically, the heat wriggling between main anchor ear and secondary anchor ear can be eliminated, make secondary anchor ear
Flexible connection is realized between main anchor ear.
First open slot is set on the upper protruding block of upper hoop side, sets second to be open on the connecting portion of lower hoop piece side
Lower hoop piece is arranged on split-type structural and connecting portion set the 3rd open slot by groove, can simplify main anchor ear and secondary anchor ear
Installation steps, shorten complete install needed for time, greatly improve installation effectiveness and job security.
Limiting section is set on the first open slot side inwall, sets first to protrude on the side inwall of the second open slot
Portion and the second protuberance is set on the side inwall of the 3rd open slot, connecting rod is caught in after the first open slot, bolt is caught in second
It is not easily disconnected from after open slot or the 3rd open slot, pre-connection is firm, is easy to staff to smoothly complete installment work.
Brief description of the drawings
Signal when Fig. 1 coordinates for the present invention for the device embodiment of dead earth cable with leader cable and earth cable
Figure；
Overall structure diagrams of the Fig. 2 for the present invention for the device embodiment of dead earth cable；
Structural representations of the Fig. 3 for the present invention for secondary anchor ear in the device embodiment of dead earth cable；
The structural representation that Fig. 4 coordinates for the present invention for main anchor ear and connecting rod in the device embodiment of dead earth cable
Figure；
Structural representations of the Fig. 5 for the present invention for upper hoop in the device embodiment of dead earth cable；
Structural representations of the Fig. 6 for the present invention for upper hoop piece in the device embodiment of dead earth cable；
Structural representations of the Fig. 7 for the present invention for lower hoop piece in the device embodiment of dead earth cable；
Another structural representations of the Fig. 8 for the present invention for lower hoop piece in the device embodiment of dead earth cable.
In figure, 1- leader cables, 2- earth cables, the main anchor ears of 3-, 31- upper hoops, 311- upper protruding blocks, 312- first is open
Groove, 313- limiting sections, 314- upper recess, 32- lower hoops, 321- lower protruding blocks, 322- lower concave parts, 33- threading holes, 34- through holes, 4-
Bound round on secondary anchor ear, 41- and bind round arc under piece, 421- under piece, the upper arc clamping sections of 411-, 412- fixed parts, the upper connecting holes of 413-, 42-
Connecting hole under shape clamping section, 422- connecting portions, 423-, the open slots of 424- second, the protuberances of 425- first, 426- the 3rd is open
Groove, the protuberances of 427- second, 43- threading holes, 44- mounting holes, 45- bolts, 46- locking nuts, 47- tongue pieces, 48- bearing pins, 5-
Attachment means, 51- connecting rods, 511- threaded rods, 52- springs, 53- top nuts, 6- cushions.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, 2, the embodiment of the present invention provides the device for dead earth cable, including coordinates with leader cable 1
Main anchor ear 3 and the secondary anchor ear 4 that coordinates with earth cable 2, connected between main anchor ear 3 and secondary anchor ear 4 by attachment means 5, even
Connection device 5 includes connecting rod 51 and the spring 52 being sleeved on connecting rod 51.
Main anchor ear 3 includes the upper hoop 31 and lower hoop 32 that cooperate together, and upper hoop 31 is towards lower hoop 32
The middle part of side is provided with upper recess 314, and lower hoop 32 is provided with lower concave part in the middle part towards the side of upper hoop 31
322, upper recess 314 and the combination of lower concave part 322 form the threading hole 33 coordinated with leader cable 1.
As shown in figure 3, secondary anchor ear 4 includes the upper hoop piece 41 cooperated together and lower hoop piece 42, upper hoop piece 41 includes
Curved upper arc clamping section 411 and it is set to integral located at the upper both sides of arc clamping section 411 and with upper arc clamping section 411
Fixed part 412.Lower hoop piece 42 includes curved arc lower clamping section 421 and the connection located at the both sides of arc lower clamping section 421
Portion 422.When upper hoop piece 41 coordinates with lower hoop piece 42, upper arc clamping section 411 and arc lower clamping section 412 combination is formed and ground connection
The threading hole 43 that cable 2 coordinates.Connected between upper hoop piece 41 and lower hoop piece 42 by the bolt 45 and locking nut 46 of mutual cooperation
It is connected together.
For the weight that alleviator is overall, main anchor ear 3 and secondary anchor ear 4 are made of aluminium.Master during in order to avoid installing
Anchor ear 3 and secondary anchor ear 4 cause to wear and tear to leader cable 1 and earth cable 2, solid on the arc inner wall of threading hole 33 and threading hole 43
Fixed flexible pad 6.Further, cushion 6 is rubber blanket.
In order to improve the intensity connected between main anchor ear 3 and secondary anchor ear 4, so that the more firm connection of earth cable 2
In leader cable 1, the present embodiment, the quantity of connecting rod 51 and spring 52 is two.It is corresponding, be arranged with main anchor ear 3 with
The mounting hole 44 being respectively cooperating with two connecting rods 51 is arranged with the through hole 34 that two connecting rods 51 are respectively cooperating with, secondary anchor ear 4.Even
The top of bar 51 is connected with main anchor ear 3, and the bottom of connecting rod 51 is connected with secondary anchor ear 4, and the two ends of spring 52 are born against in the main He of anchor ear 3
On secondary anchor ear 4, connecting rod 51 is threaded rod 511 with the part that main anchor ear 3 coordinates, and attachment means 5 also include coordinating with threaded rod 511
Top nut 53.
In the first structure of main anchor ear 3, the left and right sides of upper hoop 31 and the left and right sides of lower hoop 32 are arranged with
The through hole 34 coordinated with connecting rod 51, and through hole 34 is located at the both sides of threading hole 33.
During installation, threaded rod 511 is upward through the through hole 34 on lower hoop 32 and the through hole 34 on upper hoop 31, top nut
53 are tightened against on threaded rod 511 and the bottom surface of top nut 53 is resisted against the top surface of upper hoop 31.After installation, spring 52 is in pressure
The top of contracting state and spring 52 is resisted against the bottom surface of lower hoop 32.
In second of structure of main anchor ear 3 as shown in Figure 4, in order to reduce the thickness of upper hoop 31 and lower hoop 32, enter
And mitigating the weight of main anchor ear 3, upper hoop 31 and lower hoop 32 are respectively equipped with to overhanging in the side axially in parallel with connecting rod 51
The upper protruding block 311 and lower protruding block 321 gone out, and upper protruding block 311 the stretching direction for stretching out direction and lower protruding block 321 it is consistent and with master
The axial direction of cable 1 is consistent, and through hole 34 is equipped with upper protruding block 311 and lower protruding block 321.
During installation, threaded rod 511 is upward through the through hole 34 on the through hole 34 and lower protruding block 321 on lower protruding block 311, upper spiral shell
Mother 53 is tightened against on threaded rod 511 and the bottom surface of top nut 53 is resisted against on the top surface of upper protruding block 311.After installation, spring
52 are resisted against the lower surface of lower protruding block 321 in the top of compressive state and spring 52.
In the third structure of main anchor ear 3 as shown in Figure 5, to the upper hoop 31 in above-mentioned main second of structure of anchor ear 3
Improved.One upper protruding block 311 is provided with through hole 34, and another upper protruding block 311 is provided with first coordinated with connecting rod 51
Open slot 312, the length direction of the first open slot 312 is consistent with the stretching direction of upper protruding block 311.Preferably, the first opening
Groove 312 is U-lag.Limiting section 313 of the side inwall of the length direction of first open slot 312 provided with protrusion, the court of limiting section 313
It is more than screw thread to the distance between the end at the center of the first open slot 312 and the length direction opposite side inwall of the first open slot 312
The path of bar 511 and the big footpath for being less than threaded rod 511.
During installation, unscrew top nut 53, mobile upper hoop 31 makes the distance between upper hoop 31 and lower hoop 32 be more than master
The diameter of cable 1, leader cable 1 is caught in threading hole 33, and rotating upper hoop 31 makes connecting rod 51 be caught in the first open slot 312,
Then two top nuts 53 are tightened.
As shown in fig. 6, the fixed part 412 of upper hoop piece 41 both sides is provided with the peace coordinated with connecting rod 51 in the embodiment of the present invention
Hole 44 is filled, the bottom of connecting rod 51 is fixedly connected on upper hoop piece 41 by coordinating with mounting hole 44.Be additionally provided with fixed part 412 with
The upper connecting hole 413 that bolt 45 coordinates, and upper connecting hole 413 compared with mounting hole 44 closer to upper arc clamping section 411.
In order to improve reinforcement is uniformly provided with the intensity of upper hoop piece 41, the outer wall of upper arc clamping section 411.
In the first structure of lower hoop piece 42, the connecting portion 422 of arc lower clamping section 421 and both sides is set to integral type knot
Structure, connecting portion 422 is provided with the lower connecting hole 423 coordinated with bolt 45.
During installation, unscrew locking nut 46, the side of lower hoop piece 42 departs from bolt 45, make hoop piece 41 and lower hoop piece 42 it
Between spacing be more than earth cable 2 diameter, earth cable 2 is caught in threading hole 43, then by it is lower hoop piece 42 pass through lower company
The engagement sleeves for connecing hole 423 and bolt 45 tighten locking nut 46 on bolt 45, finally.
As shown in Figure 7 in second of structure of lower hoop piece 42, the connecting portion 422 of arc lower clamping section 421 and both sides is set to
Integral structure, side connecting portion 422 is provided with the lower connecting hole 423 coordinated with bolt 45, and opposite side connecting portion 422 is provided with
The second open slot 424 coordinated with bolt 45, the length direction of the second open slot 424 is consistent with the length direction of earth cable 2.
Preferably, the second open slot 424 is also U-lag.The side inwall of the length direction of second open slot 424 is provided with the first protrusion
Portion 425, the first protuberance 425 is towards in end and the length direction opposite side of the second open slot 424 at the center of the second open slot 424
The distance between wall is more than the path of bolt 45 and less than the big footpath of bolt 45.
During installation, unscrewing locking nut 46 makes and locking nut 46 is not departed from bolt 45, upper hoop piece 41 and lower hoop piece 42
Between spacing be more than the diameter of earth cable 2, earth cable 2 is caught in threading hole 43, rotating lower hoop piece 42 makes bolt 45
It is caught in the second open slot 424, and connecting portion 422 is located between upper hoop piece 41 and locking nut 46, then tightens the lock of both sides
Tight nut 46 makes lower hoop piece 42 be fixedly connected on hoop piece 41.
As shown in Figure 8 in the third structure of lower hoop piece 42, arc lower clamping section 421 is integrated with side connecting portion 422,
Opposite side connecting portion 422 is individually formed tongue piece 47, the end of one end and arc lower clamping section 421 of tongue piece 47 dorsad connecting portion 422
End is hinged by bearing pin 48.Connecting portion 422 be provided with the 3rd open slot 426, the length direction of the 3rd open slot 426 with
Earth cable 2 it is axially vertical and consistent with the length direction that connecting portion 422 stretches out from arc lower clamping section 421.3rd opening
The side inwall of the length direction of groove 426 is provided with the second protuberance 427, and the second protuberance 427 is towards the center of the 3rd open slot 426
The distance between end and the length direction opposite side inwall of the 3rd open slot 426 be more than the path of bolt 45 and less than bolt 45
Big footpath.
During installation, the locking nut 46 for the side of fixing tongue 47 is tightened, whiz is used to be fixedly connected with the side of portion 422
Locking nut 46, rotating arc lower clamping section 421 opens wide threading hole 43, earth cable 2 is caught in threading hole 43, under rotation
Arc clamping section 421 makes the 3rd open slot 426 on connecting portion 422 be stuck on bolt 45, then tightens for being fixedly connected with portion
422 side locking nuts 46.
In three kinds of structures of above-mentioned lower hoop piece 42, in order that lower hoop piece 42 does not influence to bind round matching somebody with somebody between piece 41 and connecting rod 51
Close, the length of connecting portion 422 is less than the length of fixed part 412.After installation, the bottom of spring 52 is resisted against hoop piece 41
Upper surface.
Any structure of above-mentioned main anchor ear 3 can be with secondary anchor ear 4 any respective outer side edges, during installation, first by main electricity
Cable 1 is caught in threading hole 33, is then tightened top nut 53 and spring 52 is in compressive state.Then earth cable 2 is caught in
In threading hole 43, tightening locking nut 46 makes lower hoop piece 42 be fixedly connected on hoop piece 41.After installation, spring 52 is in pressure
Contracting state.
In order that leader cable 1 is caught in threading hole 33 or need to only unscrewed or whiz one when earth cable 2 is caught in threading hole 43
Top nut 53 and a locking nut 46, after tightening, threaded rod 511 is located at the partial-length for stretching out upper protruding block 311 more than main electricity
The diameter of cable 1, clamping screw 45 stretches out diameter of the length more than earth cable 2 of locking nut 46.
In addition to above preferred embodiment, the present invention also has other embodiments, and those skilled in the art can be according to this
Invention is variously modified and deformed, and without departing from the spirit of the present invention, all should belong in claims of the present invention and determine
The scope of justice.
Claims (3)
1. the device for dead earth cable, it is characterised in that including the main anchor ear (3) coordinated with leader cable (1) and with connecing
The secondary anchor ear (4) that ground cable (2) coordinates, is connected between main anchor ear (3) and secondary anchor ear (4) by attachment means (5)；The master embraces
Hoop (3) includes the upper hoop (31) and lower hoop (32) cooperated together, and main anchor ear (3) is provided with and leader cable (1)
The threading hole (33) of cooperation；The secondary anchor ear (4) includes the upper hoop piece (41) cooperated together and lower hoop piece (42), and secondary
Anchor ear (4) is provided with the threading hole (43) coordinated with earth cable (2)；The attachment means (5) include connecting rod (51), main anchor ear
(3) through hole (34) coordinated with connecting rod (51) is provided with, secondary anchor ear (4) is provided with the mounting hole (44) coordinated with connecting rod (51),
One end of connecting rod (51) is connected in main anchor ear (3) with through hole (34), and the other end and the mounting hole (44) of connecting rod (51) coordinate
It is connected to secondary anchor ear (4)；The upper hoop (31) and lower hoop (32) are respectively equipped with the side axially in parallel with connecting rod (51)
Outwardly directed upper protruding block (311) and lower protruding block (321), and stretching direction and the stretching of lower protruding block (321) of upper protruding block (311)
Direction is consistent and identical with the axial direction of leader cable (1), and upper protruding block (311) and lower protruding block (321) are provided with through hole (34)；The company
Bar (51) is threaded rod (511) with the position that upper hoop (31) is connected, and attachment means (5) also include and threaded rod (511)
The top nut (53) of cooperation, top nut (53) is tightened against on threaded rod (511) and is resisted against upper protruding block (311) dorsad lower protruding block
(321) side, one end of spring (52) is resisted against the side of lower protruding block (321) dorsad upper protruding block (311)；The connecting rod (51)
Provided with two and be symmetricly set in the both sides of threading hole (33), upper protruding block (311) and lower protruding block (321) be also respectively equipped with two and
Each it is symmetrically set in the both sides of threading hole (33)；The upper hoop piece (41) is including curved upper arc clamping section (411) and sets
Integral fixed part (412), the mounting hole are set in upper arc clamping section (411) both sides and with upper arc clamping section (411)
(44) on fixed part (412)；The lower hoop piece (42) is including curved arc lower clamping section (421) and located at arc lower
The connecting portion (422) of clamping section (421) both sides, upper arc clamping section (411) and arc lower clamping section (421) combination form threading
Hole (43)；The locking nut (46) coordinated between upper hoop piece (41) and lower hoop piece (42) by bolt (45) and with bolt (45) is even
It is connected together, is respectively equipped with and bolt (45) on the connecting portion (422) of the fixed part (412) of upper hoop piece (41) and lower hoop piece (42)
Coordinate upper connecting hole (413) and lower connecting hole (423), and upper connecting hole (413) compared with mounting hole (44) closer to upper arc folder
Tight portion (411), the length of connecting portion (422) is less than the length of fixed part (412)；The arc lower clamping section (421) and side
Connecting portion (422) is integrated, and opposite side connecting portion (422) is individually formed tongue piece (47), one end of tongue piece (47) and arc lower folder
The end of tight portion (421) dorsad connecting portion (422) is hinged by bearing pin (48), and connecting portion (422) is opened provided with the 3rd
Mouthful groove (426), the length direction of the 3rd open slot (426) it is vertical with the length direction of earth cable (2) and with connecting portion (422)
The length direction stretched out from arc lower clamping section (421) is consistent；One of upper protruding block (311) is provided with through hole (34),
Another upper protruding block (311) is provided with the first open slot (312) coordinated with connecting rod (51), the length of the first open slot (312)
Direction is consistent with the stretching direction of upper protruding block (311)；The side inwall of the first open slot (312) length direction is provided with protrusion
Limiting section (313), end and first open slot (312) length direction of the limiting section (313) towards the first open slot (312) center
The distance between opposite side inwall is more than the path of threaded rod (511) and less than the big footpath of threaded rod (511).
2. the device according to claim 1 for dead earth cable, it is characterised in that be set with the connecting rod (51)
There is spring (52), the two ends of spring (52) are born against on main anchor ear (3) and secondary anchor ear (4).
3. the device according to claim 1 for dead earth cable, it is characterised in that the 3rd open slot
(426) the side inwall of length direction is provided with the second protuberance (427), the second protuberance (427) the 3rd open slot of direction
(426) end at center and the distance between the 3rd open slot (426) length direction opposite side inwall are small more than bolt (45)
Footpath and the big footpath for being less than bolt (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610129670.2A CN105762719B (en) | 2016-03-08 | 2016-03-08 | Device for dead earth cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610129670.2A CN105762719B (en) | 2016-03-08 | 2016-03-08 | Device for dead earth cable |
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| CN105762719A CN105762719A (en) | 2016-07-13 |
| CN105762719B true CN105762719B (en) | 2017-09-08 |
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| CN109036698A (en) * | 2018-07-09 | 2018-12-18 | 天长市鸿运仪表电线电缆有限公司 | A kind of high current photovoltaic plant direct current confluence cable and its mounting and installation method |
| CN109412090A (en) * | 2018-10-24 | 2019-03-01 | 江苏迈思普诺智能制造有限公司 | A kind of weak current engineering spool fixing holder |
| CN110277753A (en) * | 2019-07-09 | 2019-09-24 | 国网福建省电力有限公司 | Support frame and its method suitable for the support of Electric Power Capital Construction construction site temporary cable |
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| SU1494090A1 (en) * | 1987-04-23 | 1989-07-15 | Предприятие П/Я Г-4725 | Cable attachment unit |
| CN202210657U (en) * | 2011-09-08 | 2012-05-02 | 嘉兴市恒光电力建设有限责任公司 | Antitheft type clamp for fixing backflow cable |
| CN202405705U (en) * | 2012-01-16 | 2012-08-29 | 深圳市帕瓦特新能源技术有限公司 | Cable hoop device |
| CN203026855U (en) * | 2013-01-23 | 2013-06-26 | 中广核工程有限公司 | Clamp component for power cable fixation protection |
| CN205377216U (en) * | 2016-03-08 | 2016-07-06 | 国网浙江省电力公司湖州供电公司 | A device for fixing earthing cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1494090A1 (en) * | 1987-04-23 | 1989-07-15 | Предприятие П/Я Г-4725 | Cable attachment unit |
| CN202210657U (en) * | 2011-09-08 | 2012-05-02 | 嘉兴市恒光电力建设有限责任公司 | Antitheft type clamp for fixing backflow cable |
| CN202405705U (en) * | 2012-01-16 | 2012-08-29 | 深圳市帕瓦特新能源技术有限公司 | Cable hoop device |
| CN203026855U (en) * | 2013-01-23 | 2013-06-26 | 中广核工程有限公司 | Clamp component for power cable fixation protection |
| CN205377216U (en) * | 2016-03-08 | 2016-07-06 | 国网浙江省电力公司湖州供电公司 | A device for fixing earthing cable |
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| CN105762719A (en) | 2016-07-13 |
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