CN206712328U - Cable expansion device - Google Patents
Cable expansion device Download PDFInfo
- Publication number
- CN206712328U CN206712328U CN201720259187.6U CN201720259187U CN206712328U CN 206712328 U CN206712328 U CN 206712328U CN 201720259187 U CN201720259187 U CN 201720259187U CN 206712328 U CN206712328 U CN 206712328U
- Authority
- CN
- China
- Prior art keywords
- semi
- ring
- anchor ear
- secondary locking
- piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 125000002619 bicyclic group Chemical group 0.000 claims abstract description 9
- 210000005069 ears Anatomy 0.000 claims abstract description 8
- 238000009413 insulation Methods 0.000 claims abstract description 4
- 239000003921 oil Substances 0.000 claims description 77
- 239000010720 hydraulic oil Substances 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 239000004020 conductor Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 101100460844 Mus musculus Nr2f6 gene Proteins 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The utility model discloses a kind of cable expansion device, including insulation struts bar；Two bicyclic anchor ears, the bicyclic anchor ear include the first anchor ear and the second anchor ear；First anchor ear includes the first screw, two the first semi-rings and two the first connecting plates, and the second anchor ear includes the second screw, two the second semi-rings and two the second connecting plates, and the second anchor ear is embraced to be clipped in and strutted on bar, struts bar and pass through all bar gripping channels.The beneficial effects of the utility model are：It is rational in infrastructure, it can effectively enter row conductor and strut, easy to operate, the firm and strong adaptability of connection；With multiple regulating power, the fixed effect under a variety of situations can be ensured.
Description
Technical field
It the utility model is related to powered vertical rod mounting technique field, more particularly to a kind of cable expansion device.
Background technology
At present, when needing wherein certain section of high-voltage line erectting new high-tension pole, it is necessary to by two parallel wires
Pull open so that the distance between wire increases, and enough working spaces is provided for pole operation, it is ensured that job safety.At present will
The mode of operation that two wires strut has following several：The first is to carry out operation using two band electric cars, and band electric car is parked in two
At root wire, workmen is pulled open wire by band electric car；Second is to bind insulated working rope on two wires respectively,
Two workmens on the ground pull open wire；The third be with after two wires are pulled open respectively by tied rope and insulating bar
Connection, so as to which two wires be strutted.The first above-mentioned scheme is, it is necessary to two bands electric car and some workmens, band electric car
It is high to environmental requirement, band electric car operation can not be passed through on the ground of many out-of-flatnesses；Wire is pulled open by manpower for second, people
Power size is difficult to control, and pulling force is also unstable, and the distance between two wires are unstable, larger potential safety hazard be present；3rd
In kind operating type, tied rope and support bar connective stability are poor, easily sliding, and are also required to several workmens and cooperate with work
Wire could be strutted, positioned by industry.
Utility model content
The purpose of this utility model is to overcome deficiency of the prior art, there is provided it is a kind of rational in infrastructure, can be effective
Enter row conductor to strut, easy to operate, connection is firm and adaptable cable expansion device.
To achieve these goals, the utility model uses following technical scheme：
A kind of cable expansion device, including
Insulation struts bar；
Two bicyclic anchor ears, the bicyclic anchor ear include the first anchor ear and the second anchor ear；
First anchor ear includes the first screw, two the first semi-rings and two the first connecting plates, in first anchor ear：Two
Cylindrical wire gripping channel is surrounded between individual first semi-ring, first semi-ring one end is the first folding end, and the first semi-ring is another
One end is the first abutting end, and the first abutting end of two the first semi-rings is hinged, and the first folding end corresponds with the first connecting plate,
First connecting plate is fixed with corresponding first folding end, and the first screw wears two the first connecting plates, the first screw and two first
Connecting plate is threadedly coupled；
Second anchor ear includes the second screw, two the second semi-rings and two the second connecting plates, in second anchor ear：Two
Cylindrical bar gripping channel is surrounded between individual second semi-ring, second semi-ring one end is the second folding end, and the second semi-ring is another
To hold and be hinged for the second abutting end, the second abutting end of two the second semi-rings, the second folding end corresponds with the second connecting plate, the
Two connecting plates are fixed with corresponding second folding end, and the second screw wears two the first connecting plates, the first screw and two first companies
Fishplate bar is threadedly coupled；
Second anchor ear is embraced to be clipped in and strutted on bar, is strutted bar and is passed through all bar gripping channels.
It is used to contact the ring pads of elasticity half for strutting bar preferably, second semi-ring is provided with, in second anchor ear
In：Elastic half ring pads are in bar gripping channel.
Preferably, first semi-ring, which is provided with ring internal oil channel, caulking groove, some and the first semi-ring, is slidingly sealed cooperation
Locating dowel and some and locating dowel receive post spring correspondingly, pass through wavy metal between the ring internal oil channel of two the first semi-rings
Pipe is connected, and the caulking groove of two the first semi-rings docks to form hoop inside groove, and metal bellows is in hoop inside groove；
In first semi-ring：Locating dowel one end is the end that presses for contact wire, and the locating dowel other end is to be in
Post in ring internal oil channel is inner, receives post spring and is in ring internal oil channel, and the post of the corresponding locating dowel of receipts post spring one end connection is inner,
Receive the post spring other end and connect the first semi-ring；
In first anchor ear：One of first connecting plate is provided with secondary locking cylinder body, in secondary locking cylinder body
Provided with the secondary locking piston that cooperation is slidingly sealed with secondary locking cylinder body, secondary locking piston divides secondary locking cylinder interior
Locking oil pocket and the locking air cavity with atmosphere are divided into, top plug spring, top plug spring one end connection two are provided with locking oil pocket
Secondary latching ram, top plug spring other end connecting secondary locking cylinder body, cunning of the top plug axle of spring parallel to secondary locking piston
Dynamic direction, the first screw is a thumbscrew, and the first screw includes thumbscrew head and the stud through two the first connecting plates,
First connecting plate is between thumbscrew head and secondary locking cylinder body, and stud is lived through locking air cavity and contact secondary locking
Plug, stud axis parallel to secondary locking piston glide direction, locking oil pocket by lock oil pipe with one of them the first half
Ring internal oil channel on ring connects, and is full of hydraulic oil in ring internal oil channel, locking oil pipe and locking oil pocket.
Be used to contacting the limit body of secondary locking piston preferably, being provided with the locking air cavity, limit body with it is secondary
Cylinder body connection is locked, secondary locking piston is between top plug spring and secondary locking piston, and secondary locking piston contact is spacing
During body, top plug spring is in compressive state.
Preferably, the diameter parallel of each wire gripping channel, in first anchor ear：Position mast axis and conductor grip
Hold passage axis to intersect, each locating dowel is circumferentially sequentially distributed along wire gripping channel, positions mast axis and to receivable post spring shaft
Line overlaps.
Preferably, in first anchor ear：One of first connecting plate is provided with anti-guarantor's cylinder body, anti-to protect in cylinder body
Provided with anti-guarantor's first piston that cooperation is slidingly sealed with anti-guarantor's cylinder body, the anti-guarantor's second piston for being slidingly sealed cooperation with instead protecting cylinder body
And fixed anti-guarantor's dividing plate is sealed with anti-cylinder body madial wall of protecting, anti-protect between first piston and anti-guarantor's second piston passes through anti-keep-alive
Stopper rod connects, it is anti-protect dividing plate and anti-will protect cylinder interior and be separated into anti-main chamber of protecting protect auxiliary chamber with counter, anti-keep-alive stopper rod through it is anti-protect every
Plate, and dividing plate is counter protects dividing plate by anti-keep-alive stopper rod and anti-guarantor, it is anti-protect first piston be in it is anti-protect in main chamber, anti-second piston of protecting is in
Counter to protect auxiliary intracavitary, anti-protect inside main chamber is separated into main oil pocket and main air cavity with atmosphere by anti-first piston of protecting, counter to protect the
Two pistons protect anti-auxiliary intracavitary part and are divided into auxiliary oil pocket and auxiliary air cavity with atmosphere, main air cavity, main oil pocket, auxiliary air cavity and auxiliary
Oil pocket is sequentially distributed along anti-first piston glide direction of protecting, and protects spring provided with anti-in main air cavity, anti-spring one end of protecting connects anti-protect
Cylinder body, anti-to protect spring other end connection anti-guarantor's first piston, anti-spring of protecting is in compressive state all the time, and anti-guarantor's axle of spring is parallel
In instead protecting first piston glide direction, anti-first piston glide direction of protecting protects second piston glide direction, auxiliary oil pocket parallel to anti-
Being connected by anti-oil pipe of protecting with the ring internal oil channel on one of them first semi-ring, anti-protect in oil pipe and auxiliary oil pocket is full of hydraulic oil,
All the time hydraulic oil is full of in main oil pocket.
The beneficial effects of the utility model are：It is rational in infrastructure, can effectively enter row conductor and strut, it is easy to operate, connection it is firm
And strong adaptability；With multiple regulating power, the fixed effect under a variety of situations can be ensured；Possess protection and maintain stability
Ability, it can prevent from loosening caused by the factors such as environment change.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation at the anchor ear of the utility model second；
Fig. 3 is the structural representation at the anchor ear of the utility model first；
Fig. 4 is the enlarged drawing at A in Fig. 3；
Fig. 5 is the enlarged drawing at B in Fig. 3；
Fig. 6 is the structural representation at the utility model secondary locking cylinder body；
Fig. 7 is the anti-Bao Gangtichu of the utility model structural representation.
In figure：Strut bar 1, bicyclic anchor ear 2, the first anchor ear 3, wire gripping channel 3a, the first screw 31, head of screw 311,
Stud 312, the first semi-ring 32, ring internal oil channel 321, caulking groove 322, locating dowel 323, receipts post spring 324, the first connecting plate 33, gold
Belong to bellows 34, the second anchor ear 4, bar gripping channel 4a, the second screw 41, the second semi-ring 42, elastic half ring pads 421, second to connect
Fishplate bar 43, secondary locking cylinder body 5, locking oil pocket 5a, locking air cavity 5b, secondary locking piston 51, top plug spring 52, limit body
53rd, cylinder body 6 is instead protected, anti-main chamber 6a protected, counter protect auxiliary chamber 6b, main oil pocket 6c, main air cavity 6d, auxiliary oil pocket 6e, auxiliary air cavity 6f, counter protects the
One piston 61, anti-guarantor's second piston 62, instead protect dividing plate 63, anti-keep-alive stopper rod 64, instead protect spring 65.
Embodiment
The utility model is further described with reference to the accompanying drawings and detailed description.
As shown in Fig. 1 to Fig. 7, a kind of cable expansion device, including
Insulation struts bar 1；
Two bicyclic anchor ears 2, the bicyclic anchor ear include the first anchor ear 3 and the second anchor ear 4；
First anchor ear includes 31, two the first semi-rings 32 of the first screw and two the first connecting plates 33, at one first armful
In hoop：Cylindrical wire gripping channel 3a is surrounded between two the first semi-rings, first semi-ring one end is the first folding end, the
The one semi-ring other end is the first abutting end, and the first abutting end of two the first semi-rings is hinged, the first folding end and the first connecting plate
Correspond, the first connecting plate fixes with corresponding first folding end, and the first screw wears two the first connecting plates, the first screw and
Two the first connecting plates are threadedly coupled；
Second anchor ear includes 41, two the second semi-rings 42 of the second screw and two the second connecting plates 43, at one second armful
In hoop：Surrounding cylindrical bar gripping channel 4a between two the second semi-rings, second semi-ring one end is the second folding end, second
The semi-ring other end is the second abutting end, and the second abutting end of two the second semi-rings is hinged, the second folding end and the second connecting plate one
One correspondence, the second connecting plate are fixed with corresponding second folding end, and the second screw wears two the first connecting plates, the first screw and two
Individual first connecting plate is threadedly coupled；
Second anchor ear is embraced to be clipped in and strutted on bar, is strutted bar and is passed through all bar gripping channels.
Second semi-ring, which is provided with, to be used to contact the ring pads 421 of elasticity half for strutting bar, in second anchor ear：Elasticity
Half ring pads are in bar gripping channel.
Two the first anchor ears can be respectively used to fix two different wires (high-voltage line), and it is clamping fixed that two the second anchor ears are embraced
It is at regular intervals due to having between two the second anchor ears after fixation on bar is strutted, it is softened and consolidates so two wires is in
Fixed state, being easy to follow-up vertical rod, (installation electric pole and dependency structure, a portion structure, such as wire fixing device, can stretch
Between entering two wires, after the completion of vertical rod, the utility model can be removed, wire is then fixed to wire fixing device
On).
In use, the first screw of turn second makes two the second connecting plate separation, now two the second semi-rings can relatively rotate
Open, then strut bar between two the second semi-rings, close two the second semi-rings, with the second screw by two second connections
Plate is fixed (screw thread cooperation), and that completes to strut bar clamps fixation procedure.
Then wire is fixed, when fixing wire, the screw of turn first separates two the first connecting plates, now two first
Semi-ring can relatively rotate opening (being rotated along articulated position), and wire enters between two the first semi-rings, closes two the first semi-rings,
Two the first connecting plates are fixed (screw thread cooperation) with the first screw, a wire is completed and clamps fixation procedure, another wire
Then it is fixed with another first anchor ear, also according to above-mentioned principle.
Elastic half ring pads can strengthen the second anchor ear and strut the compression effect between bar, while can avoid skidding.Also,
It is alternatively, strutting distance so as to adjustable that second anchor ear, which is embraced and is clipped in the position strutted on bar,.
First semi-ring is provided with ring internal oil channel 321, caulking groove 322, some is slidingly sealed determining for cooperation with the first semi-ring
Position post 323 and some and locating dowel receive post spring 324 correspondingly, pass through metal between the ring internal oil channel of two the first semi-rings
Bellows 34 is connected, and the caulking groove of two the first semi-rings docks to form hoop inside groove, and metal bellows is in hoop inside groove；
In first semi-ring：Locating dowel one end is the end that presses for contact wire, and the locating dowel other end is to be in
Post in ring internal oil channel is inner, receives post spring and is in ring internal oil channel, and the post of the corresponding locating dowel of receipts post spring one end connection is inner,
Receive the post spring other end and connect the first semi-ring；
In first anchor ear：One of first connecting plate is provided with secondary locking cylinder body 5, in secondary locking cylinder body
Provided with the secondary locking piston 51 that cooperation is slidingly sealed with secondary locking cylinder body, secondary locking piston is by secondary locking cylinder interior
The locking oil pocket 5a and locking air cavity 5b with atmosphere is separated into, top plug spring 52, top plug spring one are provided with locking oil pocket
Connecting secondary latching ram is held, top plug spring other end connecting secondary locking cylinder body, top plug axle of spring is parallel to secondary locking
The glide direction of piston, the first screw are a thumbscrew, and the first screw includes head of screw 311 and through two the first connecting plates
Stud 312, the first connecting plate is between head of screw and secondary locking cylinder body, and stud is through locking air cavity and the secondary lock of contact
Tight piston, stud axis parallel to secondary locking piston glide direction, locking oil pocket by lock oil pipe with one of them the
Ring internal oil channel on one semi-ring connects, and is full of hydraulic oil in ring internal oil channel, locking oil pipe and locking oil pocket.
The limit body 53 for being used for contacting secondary locking piston, limit body and secondary locking cylinder body are provided with the locking air cavity
Connection, secondary locking piston is between top plug spring and secondary locking piston, during secondary locking piston contact limit body, top plug
Spring is in compressive state.
The diameter parallel of each wire gripping channel, in first anchor ear：Position mast axis and wire gripping channel axle
Line intersects, and each locating dowel is circumferentially sequentially distributed along wire gripping channel, and positioning mast axis overlaps with to receivable post axle of spring.
There is the situation that thickness differs, especially the relatively thin wire of some for various wires, it is possible to fixation occurs
Not tight situation, so as to cause to rock, slide, potential safety hazard be present.In the utility model, wire is fixed on first armful
(now the first screw wears two the first connecting plates, and the first screw and two the first connecting plates after in the wire gripping channel of hoop
It is threadedly coupled, but the stud of the first screw is also introduced into locking air cavity), the screw of turn first can be continued, make stud contact simultaneously
Secondary locking piston is pressed, a part of hydraulic oil locked in oil pocket is forced out, and enters ring internal oil channel through locking oil pipe, so as to press
Dynamic locating dowel moves towards wire clamping passage axis, and finally so that locating dowel presses the tight wire of side pressure.Consequently, it is possible to i.e.
Make that wire is relatively thin or epidermis is softer, can also ensure fixed.In addition, under cold weather conditions, may be had outside wire
Ice sheet, if only the first anchor ear directly embraces wire, easily there is the problem of skidding after skidding ice-out.In the utility model,
Locating dowel is compressed in wire process, ice sheet is directly squeezed to broken, and firm compression wire along band, fixed effect is more preferably.It should be noted
, during secondary locking piston contact limit body, top plug spring is in compressive state, i.e.,：Top plug spring is in compression shape all the time
State, so the trend for promoting secondary locking piston is remained, but the position of secondary locking piston depends entirely on the first screw
It is unrelated with the hydraulic oil Volume Changes of ring internal oil channel etc. to the actuating length of secondary locking piston, once the first screw leaves
Secondary locking piston, secondary locking piston remain in the position of contact limit body.Between the ring internal oil channel of two the first semi-rings
Connected by metal bellows, so the relative open or close of the first semi-ring does not interfere with the normal work of oil circuit.
In first anchor ear：One of first connecting plate be provided with it is anti-protect cylinder body 6, it is anti-protect in cylinder body be provided with it is anti-
Protect cylinder body be slidingly sealed cooperation anti-guarantor's first piston 61, with it is anti-protect cylinder body be slidingly sealed cooperation anti-guarantor's second piston 62 and with
Anti- cylinder body madial wall of protecting seals fixed anti-guarantor's dividing plate 63, and anti-protect between first piston and anti-guarantor's second piston passes through anti-keep-alive plug
Bar 64 connects, it is anti-protect dividing plate and anti-will protect cylinder interior and be separated into the anti-main chamber 6a that protects protect auxiliary chamber 6b with counter, anti-keep-alive stopper rod is through anti-
Protect dividing plate, and dividing plate is counter protects dividing plate by anti-keep-alive stopper rod and anti-guarantor, it is anti-protect first piston be in it is anti-protect in main chamber, it is counter to protect second piston
Be in it is counter protect auxiliary intracavitary, anti-protect inside main chamber is separated into main oil pocket 6c and main air cavity with atmosphere by anti-first piston of protecting
6d, anti-second piston of protecting protect anti-auxiliary intracavitary part and are divided into auxiliary oil pocket 6e and auxiliary air cavity 6f with atmosphere, main air cavity, main oil
Chamber, auxiliary air cavity and auxiliary oil pocket are sequentially distributed along anti-guarantor's first piston glide direction, and anti-guarantor's spring 65 is provided with main air cavity, counter to protect bullet
The connection of spring one end is anti-to protect cylinder body, and anti-guarantor's spring other end connection is anti-to protect first piston, and anti-guarantor's spring is in compressive state all the time, instead
Protect axle of spring and protect first piston glide direction parallel to anti-, anti-first piston glide direction of protecting is slided parallel to anti-second piston of protecting
Dynamic direction, auxiliary oil pocket are connected by anti-oil pipe of protecting with the ring internal oil channel on one of them first semi-ring, anti-to protect oil pipe and auxiliary oil pocket
In be full of hydraulic oil, be full of hydraulic oil all the time in main oil pocket.
After two wires are compressed respectively by the locating dowel on two the first anchor ears, workpeople can be carried out pole operation etc.
Operate.Because pole operation process needs the regular hour, it is again sometimes that multiple high-tension poles are erect together, is not necessarily
Erect and erect next high-tension pole after a high-tension pole again, therefore sometimes wire struts the time and needs more than ten of maintenance
Hour.But field work, many local day and night temperatures are very big, and ratio can be produced to the hydraulic oil in ring internal oil channel by expanding with heat and contract with cold
Large effect (liquid is affected bigger than solid), i.e., when hydraulic oil volume has more obvious change, especially shrinkage,
Locating dowel can be substantially to contract, so as to cause wire to be fixed loosely.During heat expansion, locating dowel is displaced outwardly pressing more by wire
Tightly, due to originally proper to the compression degree of wire, more thrusts is additionally applied again, easily to wire
Crust causes to damage.And in the utility model, it is described on the basis of visual angle in Fig. 3：The structures such as cylinder body are protected with anti-,
Once external temperature subtracts greatly, then hydraulic oil also shrinkage in main oil pocket, anti-spring of protecting pushes away anti-protect under first piston, anti-so as to drive
Protect second piston to move down, a part of hydraulic oil is flowed into ring internal oil channel and compensated in auxiliary oil pocket, is returned so as to prevent from mending locating dowel
Move back and excessively, continue to ensure the clamping effect to wire.On the other hand, once the big layer of external temperature, then hydraulic oil in main oil pocket
Heat expansion, anti-first piston of protecting move up, and so as to drive anti-second piston of protecting to move up, auxiliary oil chamber volume becomes big, and one in ring internal oil channel
Section hydraulic oil stream enters auxiliary oil pocket and compensated, so as to be carried out to the increased additional volumes of hydraulic oil heat expansion institute in ring internal oil channel
Cut down, so as to avoid locating dowel from pressing to obtain wire sheath damage caused by tension.Locate all the time it should be noted that instead protecting spring
In compressive state, so the anti-trend for protecting first piston that pushes down on is remained, but the anti-position for protecting first piston takes completely
It is unrelated with the hydraulic oil Volume Changes of ring internal oil channel etc. certainly in the actual volume of hydraulic oil in main oil pocket.
Claims (4)
1. a kind of cable expansion device, it is characterized in that, including
Insulation struts bar；
Two bicyclic anchor ears, the bicyclic anchor ear include the first anchor ear and the second anchor ear；
First anchor ear includes the first screw, two the first semi-rings and two the first connecting plates, in first anchor ear：Two
Surround cylindrical wire gripping channel between one semi-ring, first semi-ring one end is the first folding end, the first semi-ring other end
For the first abutting end, the first abutting end of two the first semi-rings is hinged, and the first folding end corresponds with the first connecting plate, and first
Connecting plate is fixed with corresponding first folding end, and the first screw wears two the first connecting plates, and the first screw is connected with two first
Plate is threadedly coupled；
Second anchor ear includes the second screw, two the second semi-rings and two the second connecting plates, in second anchor ear：Two
Cylindrical bar gripping channel is surrounded between two semi-rings, second semi-ring one end is the second folding end, and the second semi-ring other end is
Second abutting end, the second abutting end of two the second semi-rings are hinged, and the second folding end corresponds with the second connecting plate, and second connects
Fishplate bar is fixed with corresponding second folding end, and the second screw wears two the first connecting plates, the first screw and two the first connecting plates
It is threadedly coupled；
Second anchor ear is embraced to be clipped in and strutted on bar, is strutted bar and is passed through all bar gripping channels.
2. cable expansion device according to claim 1, it is characterized in that, first semi-ring is provided with ring internal oil channel, embedding
Groove, some locating dowels that cooperation is slidingly sealed with the first semi-ring and it is some receive post spring with locating dowel correspondingly, two the
Connected between the ring internal oil channel of one semi-ring by metal bellows, the caulking groove of two the first semi-rings docks to form hoop inside groove, metal
Bellows is in hoop inside groove；
In first semi-ring：Locating dowel one end is the end that presses for contact wire, and the locating dowel other end is to be in ring
Post in oil duct is inner, receives post spring and is in ring internal oil channel, and the post of the corresponding locating dowel of receipts post spring one end connection is inner, receives post
The spring other end connects the first semi-ring；
In first anchor ear：One of first connecting plate is provided with secondary locking cylinder body, is provided with secondary locking cylinder body
The secondary locking piston of cooperation is slidingly sealed with secondary locking cylinder body, secondary locking cylinder interior is separated into by secondary locking piston
Oil pocket and the locking air cavity with atmosphere are locked, top plug spring, top plug spring one end connecting secondary lock are provided with locking oil pocket
Tight piston, top plug spring other end connecting secondary locking cylinder body, slip side of the top plug axle of spring parallel to secondary locking piston
It is a thumbscrew to, the first screw, the first screw includes thumbscrew head and the stud through two the first connecting plates, and first
Connecting plate is between thumbscrew head and secondary locking cylinder body, and stud is through locking air cavity and contacts secondary locking piston, spiral shell
Mast axis is parallel to the glide direction of secondary locking piston, and locking oil pocket is by locking on oil pipe and one of them first semi-ring
Ring internal oil channel connects, and is full of hydraulic oil in ring internal oil channel, locking oil pipe and locking oil pocket.
3. cable expansion device according to claim 2, it is characterized in that, it is provided with the locking air cavity secondary for contacting
The limit body of latching ram, limit body are connected with secondary locking cylinder body, and secondary locking piston is in top plug spring and secondary locking
Between piston, during secondary locking piston contact limit body, top plug spring is in compressive state.
4. the cable expansion device according to Claims 2 or 3, it is characterized in that, the diameter parallel of each wire gripping channel,
In one the first anchor ear：Positioning mast axis and wire clamping passage axis intersects, each locating dowel along wire gripping channel circumference according to
Secondary distribution, positioning mast axis overlap with to receivable post axle of spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720259187.6U CN206712328U (en) | 2017-03-16 | 2017-03-16 | Cable expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720259187.6U CN206712328U (en) | 2017-03-16 | 2017-03-16 | Cable expansion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206712328U true CN206712328U (en) | 2017-12-05 |
Family
ID=60470598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720259187.6U Expired - Fee Related CN206712328U (en) | 2017-03-16 | 2017-03-16 | Cable expansion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206712328U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681600A (en) * | 2017-03-16 | 2018-02-09 | 国网浙江省电力公司衢州供电公司 | A kind of cable expansion device |
| CN107930921A (en) * | 2017-12-27 | 2018-04-20 | 广汽本田汽车有限公司 | Door closing clamp for automobile interior decoration spraying |
-
2017
- 2017-03-16 CN CN201720259187.6U patent/CN206712328U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681600A (en) * | 2017-03-16 | 2018-02-09 | 国网浙江省电力公司衢州供电公司 | A kind of cable expansion device |
| CN107930921A (en) * | 2017-12-27 | 2018-04-20 | 广汽本田汽车有限公司 | Door closing clamp for automobile interior decoration spraying |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206712328U (en) | Cable expansion device | |
| CN107039942B (en) | A kind of street code line folder for pin insulator | |
| CN101916633B (en) | Method for improving twisting resistance of composite coating lightning arrester, lightning arrester and manufacturing method thereof | |
| CA2144023A1 (en) | Short Wellhead Plug | |
| CN107681536A (en) | A kind of powered vertical rod auxiliary fixing device | |
| CN206712329U (en) | Powered vertical rod auxiliary fixing device | |
| CN107681600A (en) | A kind of cable expansion device | |
| CN203932352U (en) | A kind of cable and conductor connecting pipe | |
| CN106786258B (en) | A kind of anti-explosion terminal box | |
| CN107676543A (en) | A kind of double end locking clip that process is strutted for wire | |
| CN106025540A (en) | Antenna housing device and antenna cable outlet sealing structure thereof | |
| CN206850384U (en) | Street code line folder for pin insulator | |
| CN205781565U (en) | A kind of insulating joint | |
| CN107069609A (en) | A kind of hose cable gland | |
| CN214958631U (en) | Buried transformer with high-tightness inlet and outlet cable sealing structure | |
| CN110932164A (en) | Steel-cored aluminum strand shearing and strand explosion prevention device | |
| US2934935A (en) | Cast tensioning head for anchoring tensioning members, preferably for prestressed concrete | |
| CN101800390B (en) | Sliding ring sealing and connecting device | |
| CN101908741A (en) | Inflatable seal cable laying drawing head made of aluminum alloy | |
| CA1079826A (en) | Termination for stranded cable of a gas-insulated transmission line | |
| CN111490510A (en) | Wire tightener | |
| CN211018228U (en) | Two-stage sealing armored cable access device for high-voltage explosion-proof motor | |
| CN219287083U (en) | Novel anti-slip wire clamp | |
| CN1503421A (en) | Dry terminal for high-voltage cross-linked cable gas-insulation switch and installation method | |
| CN201750123U (en) | Metal cable waterproof connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 Termination date: 20200316 |