CN207398723U - Three core cable tracting head - Google Patents
Three core cable tracting head Download PDFInfo
- Publication number
- CN207398723U CN207398723U CN201720534703.1U CN201720534703U CN207398723U CN 207398723 U CN207398723 U CN 207398723U CN 201720534703 U CN201720534703 U CN 201720534703U CN 207398723 U CN207398723 U CN 207398723U
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- conductor
- cable
- outer tube
- screw thread
- external screw
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- 239000004020 conductor Substances 0.000 claims abstract description 59
- 239000011521 glass Substances 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 19
- 238000009434 installation Methods 0.000 abstract description 14
- 238000010586 diagram Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000003673 groundwater Substances 0.000 description 2
- 239000004587 polysulfide sealant Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
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- Cable Accessories (AREA)
Abstract
The utility model discloses a kind of three core cable tracting head, the end of the three-core cable including exposing cable core conductor further includes：Three conductor casings, three cable core conductors are packed into conductor casing and compacted conductor casing, conductor casing are equipped with the first external screw thread；One O-shaped elastic tape is provided with the first matching hole on the O-shaped elastic tape, and the end for having crimped conductor casing is each passed through one first matching hole；One conductor pad is provided with the second matching hole in the conductor pad, and the end for being cased with O-shaped elastic tape is each passed through one second matching hole；Three nuts, three nuts are spirally connected and are tightened on the first external screw thread respectively；One traction cap, the left part of the traction cap are screwed onto on second external screw thread, have a stretch ring to be connected on the right end of the traction cap.The utility model has the advantages that：It is connected firmly, and effectively moisture can be avoided to enter inside cable.The invention also discloses a kind of three core cable tracting head installation methods.
Description
Technical field
The present invention relates to technical field of electric power construction, more particularly, to a kind of three core cable tracting head.The invention further relates to
A kind of three core cable tracting head installation method.
Background technology
With the quickening of urban construction process, in the power distribution network in city cable run progressively instead of overhead transmission line, into
For the principal mode of urban electric power conveying.Since southern area level of ground water is higher, core is susceptible to traditional system of laying
Water inlet phenomenon, cable core climb electric effect after putting into operation once intaking since moisture is influenced to be formed inside insulating layer by charge
It should cause region power outage so as to cable insulation be caused to puncture.Therefore, the weak link in existing system of laying is changed,
Preventing core water inlet becomes southern area Electric Power Construction Enterprises urgent problem to be solved.
Existing three core cable tracting head is relatively simple for structure, easy to make, be essentially all by traction cap and cable outside
Sheath seam crossing welds and puts on heat-shrinkable T bush waterproof.It is more advanced, it is in drawing head and cable floor stripping or not layer stripping contact
Locate coating glass glue, add one layer of waterproof layer.These designs have certain water resistance, water level preferable to execution conditions
Relatively low, dry occasion can be met the requirements completely, but higher to the more severe occasion of execution conditions or level of ground water
Southern area, due to no-dig technique large span push pipe being used to lay more, frequent residual moisture in push pipe, using conventional old technique system
The cable drawing head of work, easily bad by drawing, heat-shrinkable T bush waterproof layer and glass cement waterproof layer may all be destroyed, and cause cable
End intakes.
The content of the invention
In view of the deficiency of the prior art, the object of the present invention is to provide a kind of three core cable tracting head, it has
The characteristics of being connected firmly, and moisture can effectively be avoided to enter inside cable.The invention also discloses a kind of three-core cables to lead
Leader installation method.
To achieve these goals, the technical solution adopted in the present invention is：
Three core cable tracting head, the end of the three-core cable including exposing cable core conductor, the three core cable tracting head
It further includes：
Three conductor casings, three cable core conductors being respectively charged into three conductor casings and using hydraulic tongs from left to right
Compacted conductor casing, the right end of conductor casing are equipped with the first external screw thread；
One O-shaped elastic tape is provided with 3 the first matching holes on the O-shaped elastic tape, has crimped the end of conductor casing from a left side
One first matching hole is each passed through to the right side；
One conductor pad is provided with the second matching hole to match with 3 the first matching holes in the conductor pad, is cased with O-shaped rubber
The end of apron is each passed through one second matching hole from left to right；
Three nuts, three nuts are spirally connected and are tightened on the first external screw thread respectively, and nut is respectively positioned on the outer tube
The right side of right side, and the right side contact position of nut and the first externally threaded contact position and nut and the outer tube applies
There is glass glue；
One left part is cylindrical in shape, right end is in the traction cap of cone, and the left part of the traction cap is screwed onto the second outer spiral shell
On line, and there is a stretch ring to be connected on the right end of the traction cap；And
The contact position of the traction cap and the outer tube is cased with heat-shrinkable T bush, the external winding armoring tape and waterproof of heat-shrinkable T bush
Adhesive tape.
The installation method of three core cable tracting head, comprises the following steps successively：
S1：The end of three-core cable is stripped respectively and exposes respective cable core conductor；
S2：Three conductor casings are taken, respectively by three cable core conductors loading conductor casing from left to right, then use liquid
Pressing tongs compresses, and the right end of conductor casing is equipped with the first external screw thread；
S3：An O-shaped elastic tape is taken, 3 the first matching holes are provided on the O-shaped elastic tape, the electricity of conductor casing will have been crimped
Cable end is each passed through one first matching hole from left to right；
S4：A conductor pad is taken, the second matching hole to match with 3 the first matching holes is provided in the conductor pad, will be covered
The end for having O-shaped elastic tape is each passed through one second matching hole from left to right；
S5：An outer tube is taken, the right part of the outer tube is equipped with the second external screw thread, the right end closing of the outer tube and right end
The 3rd matching hole to match with 3 the second matching holes is provided on face, the end of O-shaped elastic tape and conductor pad will be cased with from a left side
One the 3rd matching hole is each passed through to the right side, and O-shaped elastic tape and conductor pad are respectively positioned in the outer tube；
S6：3 nuts are taken, be spirally connected respectively and are tightened on the first external screw thread, nut is respectively positioned on the right side of the outer tube
Right side, and the right side contact position of nut and the first externally threaded contact position and nut and the outer tube is coated with glass
Glue；
S7：Take a left part is cylindrical in shape, right end in cone traction cap, by the left part of the traction cap be screwed onto this
On two external screw threads, then, a stretch ring is connected on the right end of the traction cap；
S8：The heat-shrinkable T bush on the set of the contact position of the traction cap and the outer tube, and the external winding armouring of heat-shrinkable T bush
Band and adhesive waterproof tape.
Spring shim and plain cushion are equipped between the nut and the right side of the outer tube.
The glass glue is two-component polysulfide sealant.
The invention has the advantages that compared with the prior art,：It is connected firmly, and effectively moisture can be avoided to enter electricity
Inside cable.When in use, tractive force acts on the core rather than oversheath of cable the three core cable tracting head of the present invention, can
The effective integrality for ensureing cable jacket, even if occurring the situation that oversheath is scratched by hard object in laid processes, damage
Area will not further expand due to tractive force acts on.Meanwhile the inside and outside of drawing head is respectively provided with waterproof construction, it can be in laying electricity
Effectively prevent moisture from entering inside cable during cable.
Description of the drawings
The present invention is further described with reference to the accompanying drawings and examples：
Fig. 1 is the stereoscopic schematic diagram of the step S1 of the installation method of the three core cable tracting head of the embodiment of the present invention；
Fig. 2 is the stereoscopic schematic diagram of the step S2 of the installation method of the three core cable tracting head of the embodiment of the present invention；
Fig. 3-1 is the stereoscopic schematic diagram of the step S3 of the installation method of the three core cable tracting head of the embodiment of the present invention；
Fig. 3-2 is the O-shaped rubber used in the step S4 of the installation method of the three core cable tracting head of the embodiment of the present invention
The stereoscopic schematic diagram of apron；
Fig. 4 is the stereoscopic schematic diagram of the step S4 of the installation method of the three core cable tracting head of the embodiment of the present invention；
Fig. 5-1 is the stereoscopic schematic diagram of the step S5 of the installation method of the three core cable tracting head of the embodiment of the present invention；
Fig. 5-2 is the outer tube used in the step S5 of the installation method of the three core cable tracting head of the embodiment of the present invention
Stereoscopic schematic diagram；
Fig. 6 is the stereoscopic schematic diagram of the step S6 of the installation method of the three core cable tracting head of the embodiment of the present invention；
Fig. 7-1 and Fig. 7-2 is the vertical of the step S7 of the installation method of the three core cable tracting head of the embodiment of the present invention
Body schematic diagram.
In figure：
10th, end, 11, cable core conductor；
20th, conductor casing, the 21, first external screw thread；
30th, hydraulic tongs；
40th, O-shaped elastic tape, the 41, first matching hole；
50th, conductor pad, the 51, second matching hole；
60th, outer tube, the 61, the 3rd matching hole, the 62, second external screw thread；
70th, nut；
80th, traction cap；
90th, stretch ring.
Specific embodiment
Embodiment, the installation method of three core cable tracting head, comprises the following steps successively：
S1：With reference to shown in Fig. 1, the end 10 of three-core cable is stripped to the cable core conductor for exposing respective metal material respectively
11。
S2：With reference to shown in Fig. 2, three conductor casings 20 are taken, respectively lead the loading of three cable core conductors 11 from left to right
It in body casing 20, is then compressed with hydraulic tongs 30, the right end of conductor casing 20 is equipped with the first external screw thread 21.First external screw thread 21 can
It is formed in a manner of by compacting and outside the cable core conductor 11 exposed.
S3：With reference to shown in Fig. 3-1 and Fig. 3-2, an O-shaped elastic tape 40 is taken, being provided with 3 first on the O-shaped elastic tape 40 matches somebody with somebody
Close hole 41.Obviously, this 3 the first matching holes 41 are preferably distributed in equilateral triangle.The end of conductor casing 20 will be crimped
10 are each passed through one first matching hole 41 from left to right.
S4：With reference to shown in Fig. 4, a conductor pad 50 is taken, is provided in the conductor pad 50 and matches with 3 the first matching holes 41
The second matching hole 51.That is, the first matching hole 41 and the second matching hole 51 can be two-by-two to just.It will be cased with O-shaped elastic tape 40
End 10 is each passed through one second matching hole 51 from left to right.
S5：With reference to shown in Fig. 5-1 and Fig. 5-2, an outer tube 60 is taken, the right part of the outer tube 60 is equipped with the second external screw thread
62, the right end of the outer tube 60 is closed and the 3rd matching hole 61 to match with 3 the second matching holes 51 is provided on right side.That is,
3rd matching hole 61 and the second matching hole 51 can be two-by-two to just.It will be cased with the end of O-shaped elastic tape 40 and conductor pad 50
10 are each passed through one the 3rd matching hole 61 from left to right, and O-shaped elastic tape 40 and conductor pad 50 are respectively positioned in the outer tube 60.
At this point, the expansion fire resistance characteristic of O types elastic tape 40 can prevent moisture from entering core by coupling part.
S6：With reference to shown in Fig. 6,3 nuts 70 are taken, be spirally connected respectively and are tightened on the first external screw thread 21,70 equal position of nut
In the right side of the right side of the outer tube 60, and the contact position of 70 and first external screw thread 21 of nut and nut 70 and the housing
The right side contact position of pipe 60 is coated with glass glue (being not shown on figure).Glass glue is two-component polysulfide sealant.Separately
Outside, it is more firm for connection, it is preferably provided with spring shim and plain cushion between the right side of nut 70 and the outer tube 60.
S7：With reference to shown in Fig. 7-1 and Fig. 7-2, the traction cap 80 that a left part is cylindrical in shape, right end is in cone is taken, by this
The left part of traction cap 80 is screwed onto on second external screw thread 62.Then, a stretch ring 90 is connected to the right side of the traction cap 80
On end.
S8：The heat-shrinkable T bush (being not shown on figure) on the set of the contact position of the traction cap 80 and the outer tube 60, and thermal shrinkable sleeve
The external winding armoring tape (being not shown on figure) of pipe and adhesive waterproof tape (being not shown on figure).
The three core cable tracting head formed by above step, the cable of the three-core cable including exposing cable core conductor 11
First 10.The three core cable tracting head further includes：50, three three conductor casings 20, an O-shaped elastic tape 40, conductor pad spiral shells
Cap 70, a left part is cylindrical in shape and right end is in components such as the traction caps 80 of cone.
More specifically：
Being respectively charged into three conductor casings 20 and being led with the compression of hydraulic tongs 30 from left to right of three cable core conductors 11
Body casing 20, the right end of conductor casing 20 are equipped with the first external screw thread 21.
3 the first matching holes 41 are provided on the O-shaped elastic tape 40, have crimped the end 10 of conductor casing 20 from left to right
It is each passed through one first matching hole 41.
The second matching hole 51 to match with 3 the first matching holes 41 is provided in the conductor pad 50, is cased with O-shaped elastic tape
40 end 10 is each passed through one second matching hole 51 from left to right.
Three nuts 70 are spirally connected and are tightened on the first external screw thread 21 respectively, and nut 70 is respectively positioned on the right side of the outer tube 60
The right side of end face, and the right side of the contact position of 70 and first external screw thread 21 of nut and nut 70 and the outer tube 60 contacts
Place is coated with glass glue.
The left part of the traction cap 80 is screwed onto on second external screw thread 62, and has a stretch ring 90 to be connected to the traction cap
On 80 right end.
In addition：
The contact position of the traction cap 80 and the outer tube 60 is cased with heat-shrinkable T bush, the external winding armoring tape of heat-shrinkable T bush and
Adhesive waterproof tape.
In this way, the three core cable tracting head is when in use, tractive force is acted on the core rather than oversheath of cable, can
The effective integrality for ensureing cable jacket, even if occurring the situation that oversheath is scratched by hard object in laid processes, damage
Area will not further expand due to tractive force acts on.Meanwhile the inside and outside of drawing head is respectively provided with waterproof construction, it can be in laying electricity
Effectively prevent moisture from entering inside cable during cable.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every utilization
It is related to be directly or indirectly used in other for the equivalent structure or equivalent flow shift that description of the invention and accompanying drawing content are made
Technical field, be included within the scope of the present invention.
Claims (1)
1. three core cable tracting head, the end (10) of the three-core cable including exposing cable core conductor (11), it is characterised in that：Institute
Three core cable tracting head is stated to further include：
Three conductor casings (20), three cable core conductors (11) from left to right be respectively charged into three conductor casings (20) and
With hydraulic tongs (30) compacted conductor casing (20), the right end of conductor casing (20) is equipped with the first external screw thread (21)；
One O-shaped elastic tape (40) is provided with 3 the first matching holes (41) on the O-shaped elastic tape (40), has crimped conductor casing (20)
End (10) be each passed through one first matching hole (41) from left to right；
One conductor pad (50) is provided with the second matching hole to match with 3 the first matching holes (41) in the conductor pad (50)
(51), the end (10) for being cased with O-shaped elastic tape (40) is each passed through one second matching hole (51) from left to right；
One outer tube (60), the right part of the outer tube (60) are equipped with the second external screw thread (62), the right end seal of the outer tube (60)
It closes and the 3rd matching hole (61) to match with 3 the second matching holes (51) is provided on right side, be cased with O-shaped elastic tape (40) and lead
The end (10) of body gasket (50) is each passed through one the 3rd matching hole (61), and O-shaped elastic tape (40) and conductor from left to right
Gasket (50) is respectively positioned in the outer tube (60)；
Three nuts (70), three nuts (70) are spirally connected and are tightened on the first external screw thread (21) respectively, nut (70) equal position
In the right side of the right side of the outer tube (60), and the contact position and nut (70) of nut (70) and the first external screw thread (21) and
The right side contact position of the outer tube (60) is coated with glass glue；
One left part is cylindrical in shape, right end in cone traction cap (80), the left part of the traction cap (80) be screwed onto this second
On external screw thread (62), and there is a stretch ring (90) to be connected on the right end of the traction cap (80)；And
The contact position of the traction cap (80) and the outer tube (60) is cased with heat-shrinkable T bush, the external winding armoring tape of heat-shrinkable T bush and
Adhesive waterproof tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720534703.1U CN207398723U (en) | 2017-05-12 | 2017-05-12 | Three core cable tracting head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720534703.1U CN207398723U (en) | 2017-05-12 | 2017-05-12 | Three core cable tracting head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207398723U true CN207398723U (en) | 2018-05-22 |
Family
ID=62403028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720534703.1U Active CN207398723U (en) | 2017-05-12 | 2017-05-12 | Three core cable tracting head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207398723U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113013790A (en) * | 2021-04-15 | 2021-06-22 | 曹炳成 | Intelligent laying construction method for 175mm wire diameter superconducting cable |
-
2017
- 2017-05-12 CN CN201720534703.1U patent/CN207398723U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113013790A (en) * | 2021-04-15 | 2021-06-22 | 曹炳成 | Intelligent laying construction method for 175mm wire diameter superconducting cable |
| CN113013790B (en) * | 2021-04-15 | 2022-04-08 | 曹炳成 | Intelligent laying construction method for 175mm wire diameter superconducting cable |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181221 Address after: 315000 Fortune Center on the North Bank of Jiangbei District, Ningbo City, Zhejiang Province, 10 buildings (3-1) (3-2) (4-2) Co-patentee after: HANGZHOU DANDIAN SCIENCE AND TECHNOLOGY CO., LTD. Patentee after: Yongyao Science and Technology Branch of Ningbo Transmission and Transfer Construction Co., Ltd. Address before: 315020 10 Fortune Centers on the North Bank of Jiangbei District, Ningbo City, Zhejiang Province (4-1) Co-patentee before: HANGZHOU DANDIAN SCIENCE AND TECHNOLOGY CO., LTD. Patentee before: Ningbo Yongyao Information Technology Co., Ltd. |