CN217935037U - Plug-in GIS terminal - Google Patents
Plug-in GIS terminal Download PDFInfo
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- CN217935037U CN217935037U CN202221420719.7U CN202221420719U CN217935037U CN 217935037 U CN217935037 U CN 217935037U CN 202221420719 U CN202221420719 U CN 202221420719U CN 217935037 U CN217935037 U CN 217935037U
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- cable
- gis terminal
- moving groove
- wire core
- pluggable
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Abstract
A plug-in GIS terminal comprises a GIS terminal body, a rotary limiting mechanism and a clamping mechanism. The cable that will have rotatory stop gear inserts GIS terminal, sets up joint portion on rotatory stop gear when removing near to the joint mechanism, will continue to get into joint mechanism through the axial displacement groove, when joint portion removes the default position to the horizontal migration groove, joint mechanism carries out horizontal rotation, correspondingly joint portion carries out relative movement in the horizontal migration groove, thereby joint portion breaks away from the track that the axial displacement groove was located for joint portion can't further produce axial displacement. Through spacing joint portion carries out in the horizontal migration groove, under the condition of cable self gravity or electric power effect, rotatory stop gear can receive stopping of the step that the horizontal migration groove formed for the cable rather than being connected can't produce axial displacement in the GIS terminal, thereby has prevented the power consumption potential safety hazard because of the cable deviates from and produces.
Description
Technical Field
The utility model relates to a high voltage power cable annex technical field, in particular to plug-in GIS terminal.
Background
The GIS is called a gas insulated totally enclosed type combined electrical apparatus, which comprises a circuit breaker, a disconnecting switch, an earthing switch, a mutual inductor, a lightning arrester, a bus, a connecting piece, an outgoing line terminal and the like, all the equipment or components are enclosed in a metal earthed shell, sulfur hexafluoride insulating gas with certain pressure is filled in the metal earthed shell, so the GIS is called a sulfur hexafluoride totally enclosed type combined electrical apparatus, and the GIS is widely applied to transformer substations due to small volume, safety and reliability.
In the installation process of the existing high-voltage cable plug-in GIS terminal, after the cable is inserted into the GIS terminal, a gap is reserved between the contact surfaces of the inner part of the cable insulation shielding layer and the outer part of the metal sleeve. After the terminal installation is accomplished, though fixed outside the cable metal sleeve, because the existence in clearance, under the effect of cable self gravity and electric power or because of long-term operation appear under the condition such as pine take off, the cable conductor can produce and move down, has certain potential safety risk.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a plug-in GIS terminal has solved the cable in the GIS terminal and has easily taken place to shift and lead to the problem of power consumption potential safety hazard.
According to the utility model discloses plug-in GIS terminal, include:
the GIS terminal body is provided with a cable connecting channel, and the cable connecting channel is used for placing a wire core at the end part of a cable;
the rotary limiting mechanism is arranged on the outer surface of the wire core, and a clamping part is arranged on one side of the rotary limiting mechanism, which is far away from the wire core;
the clamping mechanism is arranged on the inner side wall of the cable connecting channel, one side, close to the axis of the cable connecting channel, of the clamping mechanism is provided with an axial moving groove and a horizontal moving groove which are arranged in a crossed mode, the axial moving groove is arranged along the axial direction of the cable connecting channel, and the horizontal moving groove is arranged along the horizontal direction of the cable connecting channel; the clamping portion can slide along the axial moving groove and the horizontal moving groove.
According to the utility model discloses plug-in GIS terminal has following beneficial effect at least:
when the cable is installed at the GIS terminal, the rotary limiting mechanism is fixedly installed on the wire core at the end part of the cable, and the clamping mechanism is installed on the GIS terminal. The cable that will have rotatory stop gear inserts GIS terminal, sets up joint portion on rotatory stop gear when removing near to the clamping mechanism, will continue to get into clamping mechanism through the axial shifting groove, when joint portion removes the default position to the horizontal shifting groove, clamping mechanism carries out horizontal rotation, and correspondingly joint portion carries out relative movement in the horizontal shifting groove, thereby joint portion breaks away from the track that the axial shifting groove was located for joint portion can't further produce axial displacement. Through spacing joint portion carries out in the horizontal migration groove, under the condition of cable self gravity or electric power effect, rotatory stop gear can receive stopping of the step that the horizontal migration groove formed for the cable rather than being connected can't produce axial displacement in the GIS terminal, thereby has prevented the power consumption potential safety hazard because of the cable deviates from and produces.
According to some embodiments of the utility model, the rotation limiting mechanism includes:
the inner side surface of the conductor connecting hardware is connected with the outer surface of the wire core;
and the limiting block is arranged on the outer side surface of the conductor connecting fitting and is used for sliding in the axial moving groove and the horizontal moving groove.
According to the utility model discloses a some embodiments, the joint mechanism has seted up a plurality ofly the axial displacement groove, rotatory stop gear is provided with a plurality ofly joint portion is, and is a plurality of joint portion is used for respectively being in a plurality of slide in the axial displacement groove.
According to some embodiments of the present invention, the clamping mechanism comprises:
an outer sleeve disposed outside the cable and forming the cable connection passage;
the contact seat is sleeved between the outer sleeve and the wire core, and the axial moving groove and the horizontal moving groove are formed in one side, close to the wire core, of the contact seat.
According to the utility model discloses a some embodiments, GIS terminal body includes:
the tail pipe is connected with one end of the outer sleeve pipe, which is far away from the wire core, and is used for placing the main body part of the cable;
the stress cone is sleeved between the outer sleeve and the cable and is close to one end of the contact seat.
According to the utility model discloses a some embodiments, GIS terminal body still includes:
the flange is sleeved outside the cable and positioned in the tail pipe;
one end of the metal insert is connected with one end of the outer sleeve, which is far away from the wire core, and the other end of the metal insert is connected with the flange;
and one end of the spring cone support is connected with one end of the stress cone, which is far away from the wire core, the other end of the spring cone support is connected with the flange, and the spring cone support is arranged in the tail pipe and is close to the cable.
According to some embodiments of the present invention, the number of the spring cone supports is two, and the two spring cone supports are respectively disposed on two sides of the cable; the two metal inserts are respectively arranged on one side, close to the inner surface of the tail pipe, of the two spring cone supports in a one-to-one correspondence mode.
According to the utility model discloses a some embodiments, GIS terminal body still includes binding post, binding post set up in on the tail pipe, binding post is used for the ground protection at plug-in GIS terminal.
According to some embodiments of the invention, the outer sleeve is made of an epoxy resin insulating material.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a plug-in GIS terminal according to an embodiment of the present invention;
fig. 2 is a partially enlarged view of a plug-in type GIS terminal according to an embodiment of the present invention;
fig. 3 is the utility model discloses plug-in GIS terminal overlook the structure chart.
Reference numerals:
a cable 100; a wire core 110;
a conductor connection fitting 210; a stop block 220;
an outer sleeve 310; a contact base 320;
a tail pipe 410; a stress cone 420; a flange 430; a metal insert 440; a spring cone support 450; and a connection terminal 460.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper and lower directions, is the orientation or positional relationship shown on the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore should not be construed as limiting the present invention.
In the description of the present invention, a plurality means two or more. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1, the utility model relates to a plug-in GIS terminal of embodiment, include: GIS terminal body, rotatory stop gear, latch mechanism. The GIS terminal body is provided with a cable connecting channel, and the cable connecting channel is used for placing a wire core 110 at the end part of the cable 100; the rotary limiting mechanism is arranged on the outer surface of the wire core 110, and a clamping part is arranged on one side of the rotary limiting mechanism, which is far away from the wire core 110; the clamping mechanism is arranged on the inner side wall of the cable connecting channel, one side of the clamping mechanism, which is close to the axis of the cable connecting channel, is provided with an axial moving groove and a horizontal moving groove which are arranged in a crossed manner, the axial moving groove is arranged along the axial direction of the cable connecting channel, and the horizontal moving groove is arranged along the horizontal direction of the cable connecting channel; the clamping part can slide along the axial moving groove and the horizontal moving groove.
According to the utility model discloses a plug-in GIS terminal is when carrying out the installation at GIS terminal to cable 100, with rotatory stop gear fixed mounting to cable 100 tip on the sinle silk 110 to install clamping mechanism to the GIS terminal. To have cable 100 of rotatory stop gear insert GIS terminal, set up the joint portion on rotatory stop gear when moving near to the joint mechanism, will continue to get into the joint mechanism through the axial displacement groove, when joint portion removed the default position to the horizontal migration groove, the joint mechanism carries out horizontal rotation, correspondingly joint portion carries out relative movement in the horizontal migration groove, thereby joint portion breaks away from the track that the axial displacement groove was located for joint portion can't further produce axial displacement. Through spacing joint portion in the horizontal migration groove, under the condition of cable 100 self gravity or electrodynamic force effect, rotatory stop gear can receive the blockking of the horizontal migration groove step that forms for cable 100 rather than being connected can't produce axial displacement in the GIS terminal, thereby has prevented the power consumption potential safety hazard because of cable 100 deviates from and produces.
Referring to fig. 1, with the arrangement position in the drawing as a reference, the outer surface of the core 110 of the cable 100 is fixedly connected with a rotary limiting mechanism, the clamping portion of the rotary limiting mechanism is arranged outwards, the clamping mechanism is connected to the upper end of the GIS terminal body, the axial moving groove and the horizontal moving groove of the clamping mechanism are located in the cable connection channel, and the opening of the clamping groove faces inwards. Specifically, with continuing reference to fig. 3, fig. 3 shows a top view structure diagram of the plug-in GIS terminal according to an embodiment of the present invention, it can be understood that the clamping mechanism in the figure is provided with four rectangular axial moving grooves and an annular horizontal moving groove, and accordingly, the rotation limiting mechanism can be provided with four clamping portions which slide in the four axial moving grooves respectively. Insert cable 100 from bottom to top in the GIS terminal body to sinle silk 110 is located the cable junction passageway, and in cable 100 insertion process, when sinle silk 110 did not reach the cable junction passageway, if joint portion did not counterpoint with the axial shifting groove yet, then accessible horizontal rotation clamping mechanism's mode is adjusted, so that counterpoint back joint portion can slide in the axial shifting groove, thereby sinle silk 110 can reach the cable junction passageway. When the clamping portion moves to the horizontal plane of the horizontal moving groove, the wire core 110 is placed in the cable connecting channel, the clamping mechanism rotates horizontally, so that the clamping groove is separated from the track of the axial moving groove, the wire core is clamped after entering the horizontal moving groove, axial movement cannot be further generated, and axial limiting of the cable 100 is achieved.
In some embodiments, as shown in fig. 1 and 2, the rotation limiting mechanism comprises: the conductor connecting hardware 210 and the limiting block 220. The inner side surface of the conductor connection fitting 210 is connected with the outer surface of the wire core 110; the stopper 220 is disposed on an outer side surface of the conductor link fitting 210, and the stopper 220 is configured to slide in the axial moving groove and the horizontal moving groove.
Referring to fig. 2, fig. 2 is an enlarged view of a part a, mainly showing the structure of the rotation restricting mechanism. Referring to fig. 1, the conductor link fitting 210 is integrally sleeved on the wire core 110 from top to bottom, and the limiting block 220 is a rectangular block and is disposed on a side surface of the conductor link fitting 210. It can be understood that the stopper 220 is already in the locked state in fig. 1 by moving in the axial moving groove and the horizontal moving groove, that is, the stopper 220 is limited by the step formed by the horizontal moving groove, so that the cable 100 cannot move axially any further.
In some embodiments, as shown in fig. 1 and 3, the clamping mechanism is provided with a plurality of axial moving grooves, and the rotation limiting mechanism is provided with a plurality of clamping portions, which are respectively used for sliding in the plurality of axial moving grooves.
Referring to fig. 1, two clamping portions are respectively disposed at both sides of the wire core 110, and thus two axial moving grooves (not shown in fig. 1) are correspondingly disposed on the clamping mechanism. With continued reference to fig. 3, in some embodiments, the axial moving slots are respectively disposed at the upper, lower, left, and right directions of the latch mechanism, so that four corresponding latch portions (not shown in fig. 3) are respectively disposed on the rotation limiting mechanism. In other embodiments, more corresponding axial moving grooves and clamping parts can be arranged. Through setting up the axial displacement groove and the joint portion that the multiunit corresponds to the effect to the axial displacement's of cable 100 restriction has been promoted.
In some embodiments, the horizontal moving groove may be provided as a complete ring-shaped groove body, or may be provided as a groove body formed in an "L" shape together with the axial moving groove.
In some embodiments, as shown in fig. 1, the snapping mechanism comprises: outer sleeve 310, contact base 320. The outer sleeve 310 is disposed outside the cable 100 and forms a cable connection channel; the contact base 320 is sleeved between the outer sleeve 310 and the wire core 110, and an axial moving groove and a horizontal moving groove are formed in one side of the contact base 320 close to the wire core 110.
Referring to fig. 1, the contact base 320 is integrally sleeved on the rotation limiting mechanism from top to bottom, the outer sleeve 310 is sleeved on the contact base 320 and a part of the outer side of the cable 100, and the inner surface of the contact base 320 close to the core 110 is provided with an axial moving groove and a horizontal moving groove. The outer sleeve 310 and the contact base 320 are integrally used as a clamping mechanism, which provides an axial moving groove and a horizontal moving groove for the movement of the clamping portion on one hand, and is used for protecting and insulating the cable 100 on the other hand.
In some embodiments, as shown in fig. 1, the GIS terminal body includes: tail pipe 410, stress cone 420. A tail tube 410 is connected to the end of the outer sleeve 310 remote from the core 110 for receiving the main portion of the cable 100; the stress cone 420 is sleeved between the outer sleeve 310 and the cable 100 and near one end of the contact base 320.
Referring to fig. 1, the upper end of the tail pipe 410 is coupled to the lower end of the outer casing 310 by a plurality of bolts. The stress cone 420 is sleeved between the outer sleeve 310 and the cable 100, the upper end of the stress cone 420 is close to the lower end of the contact seat 320, the lower end of the stress cone 420 is close to the upper end of the tail pipe 410, and the stress cone 420 is used for improving the electric field distribution at the disconnection position of the metal sheath of the cable 100 and the connection position of the wire core 110 so as to achieve the purpose of uniform electric field.
In some embodiments, as shown in fig. 1, the GIS terminal body further includes: flange 430, metal insert 440, spring cone 450. The flange 430 is sleeved outside the cable 100 and positioned in the tail pipe 410; one end of the metal insert 440 is connected with one end of the outer sleeve 310 far away from the wire core 110, the other end is connected with the flange 430, and the metal insert 440 is arranged in the tail pipe 410 and close to the inner surface of the tail pipe 410; one end of the spring cone holder 450 is connected to the end of the stress cone 420 away from the core 110, and the other end is connected to the flange 430, and the spring cone holder 450 is disposed in the tail tube 410 and close to the cable 100.
Referring to fig. 1, the flange 430 has a plurality of openings and is disposed on the cable 100 at the tail pipe 410 through the middle opening. In the orientation shown in the figure, the flange 430 is disposed horizontally, the metal insert 440 and the spring cone holder 450 are disposed axially, one end of the metal insert 440 is connected to the lower end of the outer sleeve 310, the other end of the metal insert 440 is connected to one opening of the flange 430, one end of the spring cone holder 450 is attached to the lower end of the stress cone 420, and the other end of the spring cone holder 450 is connected to another opening of the flange 430. The spring cone bracket 450 is secured by the flange 430 and the metal insert 440, and the spring cone bracket 450 may thus be used to further secure the position of the stress cone 420 in the GIS terminal.
In some embodiments, as shown in fig. 1, there are two spring cone holders 450, and the two spring cone holders 450 are respectively disposed on two sides of the cable 100; the number of the metal inserts 440 is two, and the two metal inserts 440 are respectively disposed on one side of the two spring taper holders 450 close to the inner surface of the tail pipe 410 in a one-to-one correspondence manner. By providing multiple sets of one-to-one corresponding spring cone brackets 450 and metal inserts 440, the securement effect on the location of the stress cone 420 in the intermediate joint is improved.
In some embodiments, as shown in fig. 1, the GIS terminal body further includes a connection terminal 460, the connection terminal 460 is disposed on the tail pipe 410, and the connection terminal 460 is used for ground protection of the plug-in GIS terminal.
Referring to fig. 1, the terminal 460 is coupled to one side of the outer surface of the tail pipe 410 and is axially disposed.
In some embodiments, the outer sleeve 310 is an epoxy insulation material.
Specifically, the epoxy resin has the following advantages: excellent chemical resistance, especially alkali resistance; the paint film has strong adhesive force, particularly to metal; has better heat resistance and electrical insulation. Therefore, the outer sleeve 310 is made of epoxy resin insulating material, which has better insulating and corrosion-proof properties.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. A plug-in GIS terminal, comprising:
the GIS terminal body is provided with a cable connecting channel, and the cable connecting channel is used for placing a wire core at the end part of a cable;
the rotary limiting mechanism is arranged on the outer surface of the wire core, and a clamping part is arranged on one side of the rotary limiting mechanism, which is far away from the wire core;
the clamping mechanism is arranged on the inner side wall of the cable connecting channel, one side, close to the axis of the cable connecting channel, of the clamping mechanism is provided with an axial moving groove and a horizontal moving groove which are arranged in a crossed mode, the axial moving groove is arranged along the axial direction of the cable connecting channel, and the horizontal moving groove is arranged along the horizontal direction of the cable connecting channel; the clamping portion can slide along the axial moving groove and the horizontal moving groove.
2. The pluggable GIS terminal according to claim 1, wherein the rotation limiting mechanism comprises:
the inner side surface of the conductor connecting hardware is connected with the outer surface of the wire core;
and the limiting block is arranged on the outer side surface of the conductor connecting fitting and is used for sliding in the axial moving groove and the horizontal moving groove.
3. The pluggable GIS terminal according to claim 1, wherein the clamping mechanism is provided with a plurality of axial moving grooves, the rotation limiting mechanism is provided with a plurality of clamping portions, and the plurality of clamping portions are respectively used for sliding in the plurality of axial moving grooves.
4. The pluggable GIS terminal of claim 1, wherein the clamping mechanism comprises:
an outer sleeve disposed outside the cable and forming the cable connection passage;
the contact seat is sleeved between the outer sleeve and the wire core, and the axial moving groove and the horizontal moving groove are formed in one side, close to the wire core, of the contact seat.
5. The pluggable GIS terminal according to claim 4, wherein the GIS terminal body comprises:
the tail pipe is connected with one end of the outer sleeve pipe, which is far away from the wire core, and is used for placing the main body part of the cable;
and the stress cone is sleeved between the outer sleeve and the cable and is close to one end of the contact seat.
6. The pluggable GIS terminal according to claim 5, wherein the GIS terminal body further comprises:
the flange is sleeved outside the cable and positioned in the tail pipe;
one end of the metal insert is connected with one end of the outer sleeve, which is far away from the wire core, and the other end of the metal insert is connected with the flange;
and one end of the spring cone support is connected with one end of the stress cone, which is far away from the wire core, the other end of the spring cone support is connected with the flange, and the spring cone support is arranged in the tail pipe and is close to the cable.
7. The pluggable GIS terminal according to claim 6, wherein the number of the spring cone supports is two, and the two spring cone supports are respectively arranged on two sides of the cable; the two metal inserts are respectively arranged on one side, close to the inner surface of the tail pipe, of the two spring cone supports in a one-to-one correspondence mode.
8. The pluggable GIS terminal according to claim 5, wherein the GIS terminal body further comprises a connection terminal disposed on the tail pipe, and the connection terminal is used for ground protection of the pluggable GIS terminal.
9. The pluggable GIS terminal according to claim 4, wherein the outer sleeve is made of epoxy resin insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221420719.7U CN217935037U (en) | 2022-06-08 | 2022-06-08 | Plug-in GIS terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221420719.7U CN217935037U (en) | 2022-06-08 | 2022-06-08 | Plug-in GIS terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217935037U true CN217935037U (en) | 2022-11-29 |
Family
ID=84180821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221420719.7U Active CN217935037U (en) | 2022-06-08 | 2022-06-08 | Plug-in GIS terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217935037U (en) |
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2022
- 2022-06-08 CN CN202221420719.7U patent/CN217935037U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 410000 No. 223, tongzipo West Road, Lugu Industrial Park, high tech Development Zone, Changsha, Hunan Patentee after: Long Cable Technology Group Co.,Ltd. Country or region after: China Address before: No.223, tongzipo West Road, Lugu Industrial Park, high tech Development Zone, Changsha City, Hunan Province, 410205 Patentee before: CHANGLAN CABLE ACCESSORIES Co.,Ltd. Country or region before: China |