CN212875330U - Tubular bus connecting structure for horizontal connection - Google Patents
Tubular bus connecting structure for horizontal connection Download PDFInfo
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- CN212875330U CN212875330U CN202021785632.0U CN202021785632U CN212875330U CN 212875330 U CN212875330 U CN 212875330U CN 202021785632 U CN202021785632 U CN 202021785632U CN 212875330 U CN212875330 U CN 212875330U
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Abstract
The utility model provides a tubular bus connecting structure for horizontal connection, which is used for being assembled on an outer taper sleeve of a switch cabinet; comprises a tubular bus, a silicon rubber connecting piece, a conductor connecting piece and a plugging cover; the silicon rubber connecting piece is sleeved on the outer conical sleeve; the conductor connecting piece is arranged in the silicon rubber connecting piece and is connected with the conductor of the outer taper sleeve; the plug cover extends into the silicon rubber connecting piece, and the conductor end face of the plug cover is connected with the conductor connecting piece; the tubular bus is inserted into the cavity of the silicon rubber connecting piece in the horizontal direction and is connected with the conductor connecting piece, so that the outer taper sleeve of the switch cabinet is electrically communicated with the tubular bus. The utility model discloses tub generating line connection structure can realize being connected between tub generating line and the outer taper sleeve, and simultaneously, this generating line connection structure can satisfy tub generating line horizontal installation's demand to improve the convenience of installation.
Description
Technical Field
The utility model relates to a power cable annex, more specifically say, relate to a tub generating line connection structure for horizontal connection.
Background
With the application of ultrahigh voltage and heavy current transmission, and the application of western power transmission, ultrahigh voltage transmission, self-contained power plants and the like, the application of heavy current transmission is widely applied particularly as the status of China in the manufacturing industry. The tubular bus is one of key devices (materials) in a power transmission and transformation system, plays a vital role in safe and reliable operation of the power transmission and transformation system and power equipment, is mainly applied to conductor connection between a power grid transmission lead and a transformer of a transformer substation, a jumper wire in a power transmission line, a connecting conductor in the power equipment and a heavy-current direct-current ice melting device in power construction engineering in China as an overcurrent conductor, and is a brand new conductor for replacing a traditional rectangular, groove-shaped, bar-shaped bus and a flexible lead.
But the structure of present tub generating line all is all relatively fairly simple, connects to connect and adopts the copper bar to connect, uses mostly to be the use of outdoor terminal type, can't realize the connection with equipment such as cubical switchboard, transformer. In order to meet the requirement of connection with a switch cabinet, a tubular bus matched with an inner cone socket of the switch cabinet is developed at present. But still can not satisfy the connection requirement with equipment outer taper sleeve such as cubical switchboard and transformer.
Therefore, a tubular bus connecting structure matched with the outer taper sleeve of the switch cabinet needs to be developed and designed to meet the development requirements of through-flow performance and miniaturization of the switch cabinet, and the tubular bus connecting structure can meet the requirement of horizontal installation of the tubular bus.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a tubular bus connecting structure for horizontal connection; the tubular bus connecting structure can realize the connection between the tubular bus and the outer taper sleeve, and meanwhile, the bus connecting structure can meet the requirement of horizontal installation of the tubular bus so as to improve the convenience of installation.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a tubular bus bar connecting structure for horizontal connection is used for being assembled on an outer taper sleeve of a switch cabinet; the method is characterized in that: comprises a tubular bus, a silicon rubber connecting piece, a conductor connecting piece and a plugging cover; the silicon rubber connecting piece is sleeved on the outer conical sleeve; the conductor connecting piece is arranged in the silicon rubber connecting piece and is connected with the conductor of the outer taper sleeve; the plug cover extends into the silicon rubber connecting piece, and the conductor end face of the plug cover is connected with the conductor connecting piece; the tubular bus is inserted into the cavity of the silicon rubber connecting piece in the horizontal direction and is connected with the conductor connecting piece, so that the outer taper sleeve of the switch cabinet is electrically communicated with the tubular bus.
In the above scheme, the utility model discloses a tub generating line connection structure assembles on the outer taper sleeve pipe of cubical switchboard to realize that the electrical of cubical switchboard business turn over line switches on, makes whole electric power system safety and stability operation. In addition, the bus connecting structure can meet the requirement of horizontal installation of the tubular buses, so that the convenience of installation is improved.
The tubular bus is formed by pouring a metal conductor and an epoxy insulating layer; the metal conductor is connected with the conductor connecting piece; the epoxy insulating layer wraps the metal conductor.
The metal conductor is of a copper bar structure or a copper pipe structure.
The epoxy insulating layer is of a cylindrical structure; the cylindrical structure is inserted into the cavity of the silicon rubber connecting piece in the horizontal direction and is connected with the silicon rubber connecting piece. The utility model discloses a cylindrical structure is pour into to the epoxy insulation layer, and appearance and structure are very simple, and the commonality is strong, and is simple and convenient more with the cooperation structure of silicon rubber connecting piece, easily installation.
The silicone rubber connecting piece is of a T-shaped three-layer silicone rubber structure; the three-layer silicon rubber structure comprises a semi-conductive silicon rubber layer I, an insulating silicon rubber material layer and a semi-conductive silicon rubber layer II, wherein the semi-conductive silicon rubber layer I is used for playing a role in uniform electric field and shielding air gap, the insulating silicon rubber material layer is used for playing a role in insulation and voltage resistance, and the semi-conductive silicon rubber layer II is used for playing a role in shielding and grounding connection; the semi-conductive silicone rubber layer I, the insulating silicone rubber material layer and the semi-conductive silicone rubber layer II are sequentially connected.
The semi-conductive silicone rubber layer covers the conductor connecting piece and the tubular bus.
The silicon rubber connecting piece of the utility model is a T-shaped three-layer silicon rubber structure, the innermost layer is a semi-conductive silicon rubber layer I which is wrapped outside the conductor connecting piece and a pipe bus, and the semi-conductive silicon rubber layer matched with the conductor connecting piece plays roles of uniform electric field and air gap shielding; the semi-conductive silicon rubber layer I connected with the tubular bus plays a role of lapping, shielding and grounding with the ground potential; the middle layer is an insulating silicon rubber material layer, and plays a role in insulation and voltage resistance; the outermost layer is a semiconductive silicon rubber layer II which plays a role in shielding and grounding connection.
The conductor connecting piece comprises a contact ring and a spring contact finger; the contact ring is respectively connected with the conductor of the outer taper sleeve and the end face of the conductor of the plug cover; the spring contact finger is arranged on the contact ring and connected with the tubular bus.
A groove is formed in the contact ring, and the spring contact finger is installed in the groove. The design can ensure the through-current capacity.
The upper end face and the lower end face of the contact ring are both cut flat, the lower end face of the contact ring is attached to and connected with the conductor end face of the outer taper sleeve, and the upper end face of the contact ring is attached to and connected with the conductor end face of the plug cover.
The utility model also comprises a screw rod; the contact ring is provided with a through hole, and the screw penetrates through the through hole to lock the contact ring and the conductor of the outer taper sleeve. The design ensures that the contact ring, the tubular bus and the conductor of the outer taper sleeve are tightly connected, and solves the difficult problem of conduction of large current.
The utility model discloses a tubular busbar connection structure for horizontal connection when using, pack into the silicon rubber connecting piece earlier inside the conductor connecting piece to with an inlayer semiconduction silastic-rubber layer overlap joint, pack the metallic conductor of tubular busbar into the conductor connecting piece again, tubular busbar touches the finger with the spring of conductor connecting piece and is connected, realizes the transmission of electric current. And then installing a screw rod on the outer taper sleeve, sleeving the silicon rubber connecting piece provided with the tubular bus on the outer taper sleeve, penetrating the screw rod through the through hole of the conductor connecting piece, and finally screwing the plug cover, thereby realizing the electrical connection between the outer taper sleeve and the tubular bus and realizing the horizontal installation.
Compared with the prior art, the utility model has the advantages of as follows and beneficial effect:
1. the utility model discloses a tub generating line connection structure for horizontal connection can realize being connected between tub generating line and the outer taper sleeve, and can satisfy tub generating line horizontal installation's demand to improve the convenience of installation.
2. The utility model discloses the silicon rubber connecting piece adopts three-layer silicon rubber structure for T shape structure.
3. The utility model discloses conductor connecting piece adopts the cylinder structure of cutting the tie from top to bottom, and inside fluting dress spring touches the finger, the installation of conductor connecting piece and other parts of can being convenient for.
Drawings
FIG. 1 is a schematic view of a tubular busbar connection structure for horizontal connection according to the present invention;
wherein, 1 is an outer cone sleeve, 2 is a silicon rubber connecting piece, 3 is a conductor connecting piece, 3-1 is a contact ring, 3-2 is a spring contact finger, 4 is a plug cover, 5 is a tube bus and 6 is a screw rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Examples
As shown in fig. 1, the utility model discloses a tub generating line connection structure for horizontal connection is on the outer taper sleeve pipe 1 that is used for assembling the cubical switchboard, this tub generating line connection structure includes tub generating line 5, silicon rubber connecting piece 2, conductor connecting piece 3 and blanking cover 4, wherein, 2 covers of silicon rubber connecting piece are on outer taper sleeve pipe 1, conductor connecting piece 3 sets up inside silicon rubber connecting piece 2 and is connected with the conductor of outer taper sleeve pipe 1, blanking cover 4 stretches into silicon rubber connecting piece 2, the conductor terminal surface and the conductor connecting piece 3 of blanking cover 4 are connected, tub generating line 5 is from inserting silicon rubber connecting piece 2's cavity with the horizontal direction, and be connected with conductor connecting piece 3, realize the outer taper sleeve pipe 1 and the electric intercommunication of tub generating line 5 of cubical switchboard.
Specifically, the pipe bus 5 is formed by casting a metal conductor and an epoxy insulating layer, wherein the metal conductor is connected with the conductor connecting member 3, and the epoxy insulating layer covers the metal conductor. The metal conductor is of a copper rod structure or a copper pipe structure. The epoxy insulating layer is a cylindrical structure, and the cylindrical structure is inserted into the cavity of the silicon rubber connecting piece 2 in the horizontal direction and is connected with the silicon rubber connecting piece 2. The utility model discloses a cylindrical structure is pour into to the epoxy insulation layer, and appearance and structure are very simple, and the commonality is strong, and is simple and convenient more with silicon rubber connecting piece 2's cooperation structure, easily installation.
The utility model discloses a silicon rubber connecting piece 2 is the three-layer silicon rubber structure of T shape, and the three-layer silicon rubber structure is including the semiconduction silastic-rubber layer one that is used for playing even electric field and shielding air gap effect, the semiconduction silastic-rubber layer two that is used for playing the insulating silicon rubber material layer of insulating withstand voltage effect and is used for playing the effect that shielding and ground connection are connected, and this semiconduction silastic-rubber layer one, insulating silicon rubber material layer and semiconduction silastic-rubber layer two connect gradually. And the semi-conductive silicone rubber layer covers the conductor connector 3 and the tubular bus bar 5. The silicon rubber connecting piece 2 of the utility model is a T-shaped three-layer silicon rubber structure, the innermost layer is a semi-conductive silicon rubber layer I which is wrapped outside the conductor connecting piece 3 and the tubular bus bar 5, and the semi-conductive silicon rubber layer matched with the conductor connecting piece 3 plays a role in homogenizing an electric field and shielding an air gap; the semi-conductive silicone rubber layer I connected with the tubular bus 5 plays a role of lapping, shielding and grounding with the ground potential; the middle layer is an insulating silicon rubber material layer, and plays a role in insulation and voltage resistance; the outermost layer is a semiconductive silicon rubber layer II which plays a role in shielding and grounding connection.
The conductor connecting piece 3 of the utility model comprises a contact ring 3-1 and a spring contact finger 3-2, wherein the contact ring 3-1 is provided with a groove inside, and the spring contact finger 3-2 is arranged in the groove and is connected with the conductor of the pipe bus 5 to ensure the through-flow capacity. The upper end face and the lower end face of the contact ring 3-1 are cut flat, the lower end face of the contact ring 3-1 is connected with the conductor end face of the outer taper sleeve 1 in an attaching mode, and the upper end face of the contact ring 3-1 is connected with the conductor end face of the plug cover 4 in an attaching mode. The utility model also comprises a screw rod 6, the contact ring 3-1 is provided with a through hole, and the screw rod 6 passes through the through hole to lock the contact ring 3-1 and the conductor of the outer taper sleeve 1. The design ensures that the contact ring 3-1, the tubular bus 5 and the conductor of the outer taper sleeve 1 are tightly connected, and solves the difficult problem of conduction of large current.
The utility model discloses a tubular bus connection structure for horizontal connection when using, pack into silicon rubber connecting piece 2 earlier inside conductor connecting piece 3 to with an inlayer semiconduction silastic-rubber layer overlap joint, pack into conductor connecting piece 3 with tubular bus 5's metallic conductor again, tubular bus 5 touches with the spring of conductor connecting piece 3 and indicates 3-2 to be connected, realizes the transmission of electric current. Then a screw rod 6 is installed on the outer taper sleeve 1, the silicon rubber connecting piece 2 provided with the tubular bus bar 5 is sleeved on the outer taper sleeve 1, the screw rod 6 penetrates through a through hole of the conductor connecting piece 3, and finally the blocking cover 4 is screwed down, so that the electrical connection between the outer taper sleeve 1 and the tubular bus bar 5 is realized, and the horizontal installation is realized.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (10)
1. A tubular bus bar connecting structure for horizontal connection is used for being assembled on an outer taper sleeve of a switch cabinet; the method is characterized in that: comprises a tubular bus, a silicon rubber connecting piece, a conductor connecting piece and a plugging cover; the silicon rubber connecting piece is sleeved on the outer conical sleeve; the conductor connecting piece is arranged in the silicon rubber connecting piece and is connected with the conductor of the outer taper sleeve; the plug cover extends into the silicon rubber connecting piece, and the conductor end face of the plug cover is connected with the conductor connecting piece; the tubular bus is inserted into the cavity of the silicon rubber connecting piece in the horizontal direction and is connected with the conductor connecting piece, so that the outer taper sleeve of the switch cabinet is electrically communicated with the tubular bus.
2. A tubular busbar connection structure for horizontal connection according to claim 1, wherein: the tubular bus is formed by pouring a metal conductor and an epoxy insulating layer; the metal conductor is connected with the conductor connecting piece; the epoxy insulating layer wraps the metal conductor.
3. A tubular busbar connection structure for horizontal connection according to claim 2, wherein: the metal conductor is of a copper bar structure or a copper pipe structure.
4. A tubular busbar connection structure for horizontal connection according to claim 2, wherein: the epoxy insulating layer is of a cylindrical structure; the cylindrical structure is inserted into the cavity of the silicon rubber connecting piece in the horizontal direction and is connected with the silicon rubber connecting piece.
5. A tubular busbar connection structure for horizontal connection according to claim 1, wherein: the silicone rubber connecting piece is of a T-shaped three-layer silicone rubber structure; the three-layer silicon rubber structure comprises a semi-conductive silicon rubber layer I, an insulating silicon rubber material layer and a semi-conductive silicon rubber layer II, wherein the semi-conductive silicon rubber layer I is used for playing a role in uniform electric field and shielding air gap, the insulating silicon rubber material layer is used for playing a role in insulation and voltage resistance, and the semi-conductive silicon rubber layer II is used for playing a role in shielding and grounding connection; the semi-conductive silicone rubber layer I, the insulating silicone rubber material layer and the semi-conductive silicone rubber layer II are sequentially connected.
6. A tubular busbar connection structure for horizontal connection according to claim 5, wherein: the semi-conductive silicone rubber layer covers the conductor connecting piece and the tubular bus.
7. A tubular busbar connection structure for horizontal connection according to claim 1, wherein: the conductor connecting piece comprises a contact ring and a spring contact finger; the contact ring is respectively connected with the conductor of the outer taper sleeve and the end face of the conductor of the plug cover; the spring contact finger is arranged on the contact ring and connected with the tubular bus.
8. A tubular busbar connection structure for horizontal connection according to claim 7, wherein: a groove is formed in the contact ring, and the spring contact finger is installed in the groove.
9. A tubular busbar connection structure for horizontal connection according to claim 7, wherein: the upper end face and the lower end face of the contact ring are both cut flat, the lower end face of the contact ring is attached to and connected with the conductor end face of the outer taper sleeve, and the upper end face of the contact ring is attached to and connected with the conductor end face of the plug cover.
10. A tubular busbar connection structure for horizontal connection according to claim 7, wherein: the device also comprises a screw rod; the contact ring is provided with a through hole, and the screw penetrates through the through hole to lock the contact ring and the conductor of the outer taper sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021785632.0U CN212875330U (en) | 2020-08-24 | 2020-08-24 | Tubular bus connecting structure for horizontal connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021785632.0U CN212875330U (en) | 2020-08-24 | 2020-08-24 | Tubular bus connecting structure for horizontal connection |
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| Publication Number | Publication Date |
|---|---|
| CN212875330U true CN212875330U (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021785632.0U Active CN212875330U (en) | 2020-08-24 | 2020-08-24 | Tubular bus connecting structure for horizontal connection |
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| CN (1) | CN212875330U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114203371A (en) * | 2021-11-09 | 2022-03-18 | 北京中车赛德铁道电气科技有限公司 | Conductive insert connecting structure for solid insulation module |
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2020
- 2020-08-24 CN CN202021785632.0U patent/CN212875330U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114203371A (en) * | 2021-11-09 | 2022-03-18 | 北京中车赛德铁道电气科技有限公司 | Conductive insert connecting structure for solid insulation module |
| CN114203371B (en) * | 2021-11-09 | 2024-04-02 | 北京中车赛德铁道电气科技有限公司 | Conductive insert connecting structure for solid insulation module |
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