CN111435783A - Dry type flexible cable terminal - Google Patents
Dry type flexible cable terminal Download PDFInfo
- Publication number
- CN111435783A CN111435783A CN201910026861.XA CN201910026861A CN111435783A CN 111435783 A CN111435783 A CN 111435783A CN 201910026861 A CN201910026861 A CN 201910026861A CN 111435783 A CN111435783 A CN 111435783A
- Authority
- CN
- China
- Prior art keywords
- terminal
- sleeve
- heightening
- type flexible
- flexible cable
- 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.)
- Pending
Links
- 229910052751 metal Inorganic materials 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 22
- 238000009413 insulation Methods 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 230000009194 climbing Effects 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- H02G15/00—Cable fittings
- H02G15/02—Cable terminations
- H02G15/04—Cable-end sealings
- H02G15/043—Cable-end sealings with end caps, e.g. sleeve closed at one end
- H02G15/046—Cable-end sealings with end caps, e.g. sleeve closed at one end with bores or protruding portions allowing passage of cable conductors
Landscapes
- Cable Accessories (AREA)
Abstract
The present invention provides a dry type flexible cable terminal, comprising: the terminal comprises a fixed flange, a metal tail pipe, a stress cone and a terminal main body; the fixed flange is detachably connected with the metal tail pipe; the metal tail pipe comprises an outer sleeve and an internal sleeve assembly; the outer sleeve is fixedly connected with the built-in sleeve assembly; the outer sleeve is sleeved outside the cable metal sheath, and the built-in sleeve component is sleeved on the cable outer semi-conducting layer; the stress cone is sleeved outside the built-in sleeve assembly; the terminal main body is sleeved outside the stress cone. The dry type flexible terminal has the advantages that one part of the metal tail pipe preset at the bottom of a terminal product extends downwards to be sleeved on a cable outside the terminal, and the other part extends upwards to be sleeved on the cable inside the terminal, so that the dry type flexible terminal can be prevented from being inclined.
Description
Technical Field
The invention relates to a dry-type flexible cable terminal.
Background
Fig. 1 is a sectional view of a conventional dry type flexible cable terminal.
As shown in fig. 1, a dry type flexible cable terminal currently on the market is connected to a cable by sleeving a stress cone 1 and then sleeving a terminal body on the cable. The connection position of the cable and the terminal is easy to be skewed in the connection mode, and the terminal is inconvenient to be fixedly installed with other components.
Disclosure of Invention
The invention aims to provide a dry-type flexible cable terminal, which adopts a metal tail pipe, wherein one part of the metal tail pipe extends downwards to be sleeved on a cable outside the terminal, and the other part of the metal tail pipe extends upwards to be sleeved on the cable inside the terminal, so that the dry-type flexible terminal can be prevented from being inclined; the technical problem is fundamentally solved to overcome the defects of the prior art.
The present invention provides a dry type flexible cable terminal, comprising: the structure comprises a fixed flange 10, a metal tail pipe 20, a stress cone 30 and a terminal main body 40; the fixed flange 10 is detachably connected with the metal tail pipe 20; the metal tail tube 20 comprises an outer sleeve 21 and an inner sleeve assembly 22; the outer sleeve 21 is fixedly connected with the built-in sleeve assembly 22; the outer sleeve 21 is sleeved outside the cable metal sheath, and the built-in sleeve assembly 22 is sleeved on the cable outer semi-conducting layer; the stress cone 30 is sleeved outside the built-in sleeve assembly 22; the terminal body 40 is sleeved outside the stress cone 30.
Further, the present invention provides a dry type flexible cable terminal, which may further have the following features: the built-in sleeve assembly 22 comprises a sleeve flange 22-1 and a built-in sleeve 22-2; one end of the built-in sleeve 22-2 is fixed on one side of the sleeve flange 22-1; one end of the outer sleeve 21 is fixed to the other side of the sleeve flange 22-1.
Further, the present invention provides a dry type flexible cable terminal, which may further have the following features: the sleeve flange 22-1 is provided with a stepped hole 22-3; one end of the outer sleeve 21 is attached to the end face of the stepped hole 22-3, and the outer circle of the outer sleeve 21 is matched with the outer diameter of a large hole of the stepped hole 22-3 of the sleeve flange 22-1.
Further, the present invention provides a dry type flexible cable terminal, which may further have the following features: the sleeve flange 22-1 and the outer sleeve 21 are fixed by welding.
Further, the present invention provides a dry type flexible cable terminal, which may further have the following features: the sleeve flange 22-1 is removably attached to the mounting flange 10 using fasteners.
Further, the present invention provides a dry type flexible cable terminal, which may further have the following features: also included is a semiconducting spacer 50; a semiconducting shim 50 is provided between the inner jacket 22-2 and the outer semiconducting layer of the cable.
Further, the present invention provides a dry type flexible cable terminal, which may further have the following features: the terminal main body 40 comprises a terminal body 41 and a plurality of heightening terminals 42; the booster terminals 42 may be fitted over the terminal body 41 and the booster terminals may be sequentially stacked on each other.
Further, the present invention provides a dry type flexible cable terminal, which may further have the following features: the heightening terminals 42 are divided into a body connection heightening terminal 42a, a middle heightening terminal 42b and a tail heightening terminal 42 c; the bottom of the body connecting heightening terminal 42a is provided with a large step hole 42a-1 which is matched with the tail part of the terminal body 41 and sleeved on the terminal body 41; the top of the body connecting heightening terminal 42a is provided with an embedded boss 42 a-2; the bottom of the middle heightening terminal 42b is provided with a small step hole 42b-1 matched with the embedding boss 42a-2 of the body connecting heightening terminal 42 a; the top of the middle heightening terminal 42b is provided with an embedding boss 42 b-2; the middle heightening terminal 42b embedding boss 42b-2 is consistent with the embedding boss 42a-2 of the body connecting heightening terminal 42a in size; the bottom of the tail elevated terminal 42c is provided with a small step hole 42c-1 matched with the embedding boss 42b-2 of the middle elevated terminal 42 b; the top of tail raised terminal 42c is shaped and dimensioned to conform to the top of terminal body 41.
Further, the present invention provides a dry type flexible cable terminal, which may further have the following features: the terminal body 41, the body connecting heightening terminal 42a, the middle heightening terminal 42b and the tail heightening terminal 42c are provided with a climbing skirt 43 on the circumference.
Further, the present invention provides a dry type flexible cable terminal, which may further have the following features: also included are an insulating cap 60, a terminal rod 70, and a wire clamp 80; an insulating cap 60 is fixed to the rear of the terminal body 40; the wire rod 70 is sleeved on the outer circle of the insulation hood 60; the clamp 80 is disposed on the terminal bar 70 and clamps onto the cable core.
Drawings
Fig. 1 is a half sectional view of a conventional dry type flexible cable terminal.
Fig. 2 is a half sectional view of a dry type flexible cable terminal of the present invention.
Fig. 3a is a top view of one configuration of the mounting flange of the present invention.
Fig. 3b is a top view of another configuration of the mounting flange of the present invention.
Fig. 4 is a half-sectional view of a metal tailpipe of the present invention.
FIG. 5 is a diagram of a mounting flange, metal tail pipe, stress cone, and semiconductor gasket.
Fig. 6 is a partial structural view of the upper end of the dry type flexible cable terminal according to the present invention.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
Fig. 2 is a sectional view of a dry type flexible cable terminal of the present invention.
As shown in fig. 2, the dry type flexible cable terminal includes: fixing flange 10, metal tail tube 20, stress cone 30, terminal body 40, semiconductive washer 50, insulating cap 60, terminal rod 70 and wire clamp 80.
As shown in fig. 3a, four protrusions are uniformly distributed on the circumference of the fixing flange 10, and the fixing flange is in a cross shape. Each boss has a through hole for connection with another device. Of course, as shown in fig. 3b, the fixing flange 10 has a linear shape with a plurality of protrusions uniformly distributed on the circumference. Each boss also has a through hole for connection to another device.
Fig. 4 is a half-sectional view of a metal tailpipe of the present invention.
As shown in fig. 4, the metal tail pipe 20 includes: an outer sleeve 21 and an inner sleeve assembly 22. The inner cannula assembly 22 includes a cannula flange 22-1 and an inner cannula 22-2.
In this embodiment, the lower end of the inner sleeve 22-2 is fixed to the upper end of the sleeve flange 22-1, and the two are integrated. The inner diameter of the inner jacket 22-2 is matched to the outer semiconductive layer of the cable and is fitted over the outer semiconductive layer of the cable when connected thereto. The sleeve flange 22-1 has internally threaded holes around its circumference for removable attachment to the mounting flange 10 with screws.
The bottom of the sleeve flange 22-1 has a stepped bore 22-3. The outer circle of the outer sleeve 21 is matched with the outer diameter of a large hole of a step hole 22-3 of the sleeve flange 22-1. The upper end of the outer sleeve 21 is inserted into the large hole of the step hole 22-3, and the upper end surface of the outer sleeve 21 is attached to the end surface of the step hole 22-3. The bottom of the sleeve flange 22-1 is welded to the position where the outer sleeve 21 is connected, so that the outer sleeve 21 and the sleeve flange 22-1 are fixed together. The inner diameter of the outer sleeve 21 is matched with the outer diameter of the cable aluminum sheath and can be sleeved outside the cable metal sheath.
In this embodiment, as shown in fig. 5, a semiconducting shim 50 is provided between the inner jacket 22-2 and the outer semiconducting layer of the cable at the upper end of the inner jacket 22-2.
The stress cone 30 has a length that is much greater than the length of the inner casing 22-2. The stress cone 30 is attached to the upper end surface of the sleeve flange 22-1 at the bottom, sleeved outside the built-in sleeve assembly 22, and extends upwards to be attached to the outer wall of the outer semi-conducting layer of the cable.
Fig. 6 is a partial structural view of the upper end of the dry type flexible cable terminal according to the present invention.
As shown in fig. 1 and 6, in the present embodiment, the terminal main body 40 includes a terminal body 41 and 7 raised terminals 42. The 7 booster terminals 42 are divided into a body connection booster terminal 42a, five middle booster terminals 42b and a tail booster terminal 42 c. The bottom of the terminal body 41 fits over the stress cone 30.
The bottom of the body-connected elevated terminal 42a has a large stepped hole 42a-1 matching with the tail of the terminal body 41 and fitting over the terminal body 41. The top of the body connection heightening terminal 42a has an embedding boss 42 a-2.
The bottom of the intermediate heightening terminal 42b is provided with a small stepped hole 42b-1 matched with the embedding boss 42a-2 of the body connecting heightening terminal 42a, and the small stepped hole 42b-1 is sleeved on the embedding boss 42a-2 to realize the connection of the intermediate heightening terminal 42b and the body connecting heightening terminal 42 a.
The top of the intermediate raised termination 42b has an inset boss 42 b-2. The intermediate raised terminal 42b embedding projections 42b-2 are of the same size as the embedding projections 42a-2 of the body connecting raised terminal 42a, i.e., the intermediate raised terminals 42b may be arbitrarily superimposed on each other.
The bottom of the tail raised terminal 42c has a small stepped hole 42c-1 that mates with the inset boss 42b-2 of the middle raised terminal 42 b. The top of tail-section raised terminal 42c is shaped and dimensioned to conform to the top of terminal body 41 to facilitate connection to insulative cap 60.
The connecting raised terminals 42a, intermediate raised terminals 42b and tail raised terminals 42c have a circumferential skirt 43. The climbing skirt 43 may be formed integrally with the connection heightening terminal 42a, the intermediate heightening terminal 42b and the tail heightening terminal 42c, or may be formed in a split type to fit around the circumference of the connection heightening terminal 42a, the intermediate heightening terminal 42b and the tail heightening terminal 42 c.
In this embodiment, the insulating cap 60 and the terminal body 40 are made of silicon rubber, and are bonded to the terminal body 40 by using silane room temperature auto-vulcanizing adhesive. The wire bar 70 is fitted over the outer circle of the insulating cap 60. The clamp 80 is disposed on the terminal bar 70 and clamps onto the cable core. The wire clamp 80 in this embodiment is a four-hole rotatable wire clamp.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A dry-type flexible cable termination, comprising: comprises a fixed flange (10), a metal tail pipe (20), a stress cone (30) and a terminal main body (40);
wherein the fixed flange (10) is detachably connected with the metal tail pipe (20);
the metal tail pipe (20) comprises an outer sleeve (21) and a built-in sleeve assembly (22); the outer sleeve (21) is fixedly connected with the built-in sleeve assembly (22);
the outer sleeve (21) is sleeved outside the cable metal sheath, and the built-in sleeve assembly (22) is sleeved on the cable outer semi-conducting layer;
the stress cone (30) is sleeved outside the built-in sleeve assembly (22);
the terminal main body (40) is sleeved outside the stress cone (30).
2. A dry-type flexible cable termination according to claim 1, wherein:
wherein the built-in sleeve assembly (22) comprises a sleeve flange (22-1) and a built-in sleeve (22-2);
one end of the built-in sleeve (22-2) is fixed on one side of the sleeve flange (22-1);
one end of the outer sleeve (21) is fixed on the other side of the sleeve flange (22-1).
3. A dry-type flexible cable termination according to claim 2, wherein:
wherein the sleeve flange (22-1) is provided with a stepped hole (22-3);
one end of the outer sleeve (21) is attached to the end face of the stepped hole (22-3), and the outer circle of the outer sleeve (21) is matched with the outer diameter of a large hole of the stepped hole (22-3) of the sleeve flange (22-1).
4. A dry-type flexible cable termination according to claim 2, wherein:
wherein, the sleeve flange (22-1) and the outer sleeve (21) are fixed by welding.
5. A dry-type flexible cable termination according to claim 2, wherein:
wherein, the sleeve flange (22-1) is detachably connected with the fixed flange (10) by adopting a fastener.
6. A dry-type flexible cable termination according to claim 2, wherein:
further comprising a semiconducting spacer (50); the semiconducting gasket (50) is arranged between the inner jacket (22-2) and the outer semiconducting layer of the cable.
7. A dry-type flexible cable termination according to claim 1, wherein:
the terminal main body (40) comprises a terminal body (41) and a plurality of heightening terminals (42);
the height increasing terminals (42) can be sleeved on the terminal body (41), and the height increasing terminals can be sequentially overlapped with each other.
8. A dry-type flexible cable termination as recited in claim 7, wherein:
wherein the heightening terminal (42) is divided into a body connection heightening terminal (42a), a middle heightening terminal (42b) and a tail heightening terminal (42 c);
the bottom of the body connecting heightening terminal (42a) is provided with a large step hole (42a-1) which is matched with the tail part of the terminal body (41) and sleeved on the terminal body (41); the top of the body connecting heightening terminal (42a) is provided with an embedded boss (42 a-2);
the bottom of the middle heightening terminal (42b) is provided with a small step hole (42b-1) matched with the embedding boss (42a-2) of the body connecting heightening terminal (42 a); the top of the middle heightening terminal (42b) is provided with an embedding boss (42 b-2);
the size of the embedding boss (42b-2) of the middle heightening terminal (42b) is consistent with that of the embedding boss (42a-2) of the body connecting heightening terminal (42 a);
the bottom of the tail heightened terminal (42c) is provided with a small step hole (42c-1) matched with the embedding boss (42b-2) of the middle heightened terminal (42 b); the top of the tail elevated terminal (42c) is shaped and sized to conform to the top of the terminal body (41).
9. A dry-type flexible cable termination as recited in claim 8, wherein:
wherein, the terminal body (41), the body connection increases terminal (42a), the middle increases terminal (42b), the afterbody increases terminal (42c) has on the circumference that increases the skirt (43).
10. A dry-type flexible cable termination as recited in claim 8, wherein:
the cable connector also comprises an insulation cover cap (60), a wire connecting rod (70) and a wire clamp (80);
wherein the insulation cap (60) is fixed at the tail part of the terminal main body (40);
the wiring rod (70) is sleeved on the outer circle of the insulation cover cap (60);
the wire clamp (80) is arranged on the wire connecting rod (70) and clamped on a cable core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910026861.XA CN111435783A (en) | 2019-01-11 | 2019-01-11 | Dry type flexible cable terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910026861.XA CN111435783A (en) | 2019-01-11 | 2019-01-11 | Dry type flexible cable terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111435783A true CN111435783A (en) | 2020-07-21 |
Family
ID=71580402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910026861.XA Pending CN111435783A (en) | 2019-01-11 | 2019-01-11 | Dry type flexible cable terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111435783A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202004008882U1 (en) * | 2004-06-01 | 2004-09-23 | Wilhelm Sihn Jr. Gmbh & Co. Kg | Metal fitting for sealing coaxial corrugated tube cable, has sealing ring arranged adjacent to corrugated tube, between stop and flange in housing |
| CN2672931Y (en) * | 2003-11-21 | 2005-01-19 | 深圳市沃尔热缩材料有限公司 | Cold contraction cable accessories terminal |
| JP2011083133A (en) * | 2009-10-08 | 2011-04-21 | Viscas Corp | Power cable terminating connector |
| CN103219689A (en) * | 2013-04-23 | 2013-07-24 | 常州市拓源电缆成套有限公司 | Porcelain sleeve type cable terminal |
| CN103474944A (en) * | 2013-08-19 | 2013-12-25 | 广东电网公司电力科学研究院 | Great creep distance direct current cable outdoor terminal |
| CN203423467U (en) * | 2013-08-19 | 2014-02-05 | 广东电网公司电力科学研究院 | Large-creep distance direct-current cable outdoor terminal |
| WO2018019414A1 (en) * | 2016-07-29 | 2018-02-01 | Südkabel GmbH | Device having an insulating body made of plastic |
| CN207691397U (en) * | 2018-02-12 | 2018-08-03 | 江苏远航电缆附件有限公司 | A kind of 110kV dry outdoor terminals tail pipe |
| CN209626935U (en) * | 2019-01-11 | 2019-11-12 | 宝胜(上海)线缆科技有限公司 | A kind of cable termination |
-
2019
- 2019-01-11 CN CN201910026861.XA patent/CN111435783A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2672931Y (en) * | 2003-11-21 | 2005-01-19 | 深圳市沃尔热缩材料有限公司 | Cold contraction cable accessories terminal |
| DE202004008882U1 (en) * | 2004-06-01 | 2004-09-23 | Wilhelm Sihn Jr. Gmbh & Co. Kg | Metal fitting for sealing coaxial corrugated tube cable, has sealing ring arranged adjacent to corrugated tube, between stop and flange in housing |
| JP2011083133A (en) * | 2009-10-08 | 2011-04-21 | Viscas Corp | Power cable terminating connector |
| CN103219689A (en) * | 2013-04-23 | 2013-07-24 | 常州市拓源电缆成套有限公司 | Porcelain sleeve type cable terminal |
| CN103474944A (en) * | 2013-08-19 | 2013-12-25 | 广东电网公司电力科学研究院 | Great creep distance direct current cable outdoor terminal |
| CN203423467U (en) * | 2013-08-19 | 2014-02-05 | 广东电网公司电力科学研究院 | Large-creep distance direct-current cable outdoor terminal |
| WO2018019414A1 (en) * | 2016-07-29 | 2018-02-01 | Südkabel GmbH | Device having an insulating body made of plastic |
| CN207691397U (en) * | 2018-02-12 | 2018-08-03 | 江苏远航电缆附件有限公司 | A kind of 110kV dry outdoor terminals tail pipe |
| CN209626935U (en) * | 2019-01-11 | 2019-11-12 | 宝胜(上海)线缆科技有限公司 | A kind of cable termination |
Non-Patent Citations (1)
| Title |
|---|
| 陈金虎;: "高压电缆附件选型的分析与研究", 科技风, no. 17, 15 September 2017 (2017-09-15), pages 215 * |
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