CN111682497A - Cable connection device of mobile substation - Google Patents
Cable connection device of mobile substation Download PDFInfo
- Publication number
- CN111682497A CN111682497A CN202010454330.3A CN202010454330A CN111682497A CN 111682497 A CN111682497 A CN 111682497A CN 202010454330 A CN202010454330 A CN 202010454330A CN 111682497 A CN111682497 A CN 111682497A
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- annular
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- sealing
- box body
- mobile substation
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- 238000007789 sealing Methods 0.000 claims abstract description 73
- 230000000670 limiting effect Effects 0.000 claims description 7
- 238000003032 molecular docking Methods 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- 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
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
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Abstract
The invention discloses a cable connection device of a mobile substation, which comprises a circular box body, wherein the top of the circular box body is fixedly connected with a square opening, the top of the circular box body is provided with a cover plate, and a connection component is arranged in the circular box body; the sealing plate comprises a sealing plate abutted against the top of the square opening and an annular sealing groove matched with the top of the square opening, a sealing ring abutted against the top of the square opening is bonded in the annular sealing groove, an annular sliding groove is formed in the edge of the sealing plate, and an annular threaded plate is connected in the annular sliding groove in a sliding mode.
Description
Technical Field
The embodiment of the invention relates to the technical field of mobile substations, in particular to a cable connection device of a mobile substation.
Background
The movable transformer substation is a high-voltage switch device, a distribution transformer and a low-voltage distribution device, is factory prefabricated indoor and outdoor compact distribution equipment which is integrated according to a certain wiring scheme, is particularly suitable for urban network construction and transformation, has the characteristics of small volume, compact structure, convenient and flexible installation and the like, greatly improves the power supply reliability, and is used for electric energy transmission.
In the construction, maintenance and overhaul of the mobile substation, the connection of the cable is required, the grounding box is a commonly used device for protecting the cable, and is used for avoiding the cable from being damaged by lightning strike and induced voltage, the existing grounding box generally connects the box cover and the box body together through a plurality of bolts, each bolt needs to be operated one by one in the process of opening or screwing, although the tightness of the connection between the box cover and the box body can be ensured, each bolt needs to be operated, more time needs to be consumed, the working efficiency is lower, the prior patent application No. CN201820655693.1 and the utility model named as the grounding box use the locking piece to be clamped with the fastener on the box body, so that the box body and the box cover are connected together, but the utility model provides a smaller locking force between the box cover and the box body in the implementation, the box cover and the box body cannot be connected tightly, and the box cover and the box body have good sealing performance, so that a cable connection device of a mobile substation needs to be designed.
Disclosure of Invention
Therefore, the embodiment of the invention provides a cable connection device of a mobile substation, which solves the problem of poor sealing performance caused by small locking force when the connection efficiency between a box cover and a box body of the conventional grounding box is improved.
In order to achieve the above object, an embodiment of the present invention provides the following:
a cable connection device of a mobile substation comprises a circular box body, wherein the top of the circular box body is fixedly connected with a square opening, the top of the circular box body is provided with a cover plate, and a connection assembly is arranged in the circular box body;
the apron includes the closing plate that offsets with the top of square oral area and with square oral area top assorted annular seal groove, just the top card of square oral area is established in the annular seal groove, it has the sealing washer that offsets with square oral area top to bond in the annular seal groove, the annular spout has been seted up to the edge of closing plate, sliding connection has annular thread board in the annular spout, be provided with the screw portion with annular thread board threaded connection on the lateral wall of circular box.
As a preferred scheme of the invention, the top of the square opening is fixedly connected with two annular baffles, two auxiliary sealing grooves are formed in the bottoms of the annular sealing grooves corresponding to the annular baffles, each annular baffle is clamped in the corresponding auxiliary sealing groove, and sealing gaskets which are abutted against the tops of the corresponding annular baffles are bonded to the bottoms of the two auxiliary sealing grooves.
In a preferred embodiment of the present invention, the height of the annular baffle is smaller than the depth of the annular sealing groove.
As a preferable aspect of the present invention, the depth of the annular seal groove is not greater than the height of the square mouth portion.
As a preferable scheme of the invention, a plurality of placing grooves are symmetrically arranged on the outer side wall of the annular thread plate, the bottom of each placing groove is communicated with the outside of the annular thread plate, an auxiliary crank is movably connected in each placing groove, and each auxiliary crank is provided with an anti-skid thread.
As a preferable scheme of the invention, the plane where the bottom of the auxiliary crank and the bottom of the annular thread plate are located is on the same plane, and the side walls of the auxiliary crank, which are abutted against the corresponding placing grooves, are provided with magnetic parts.
As a preferable scheme of the invention, the annular thread plate comprises an annular thread part connected with the sealing plate and an annular straight plate part fixedly connected to the bottom of the annular thread part, two limit bolts are symmetrically and threadedly connected to the annular straight plate part, and one end of each limit bolt abuts against the outer wall of the circle center box body.
As a preferable aspect of the present invention, the width of the threaded portion is larger than the width of the annular threaded portion, and the width of the threaded portion is smaller than the sum of the widths of the annular threaded portion and the annular straight plate portion.
As a preferable scheme of the invention, the bottom of the sealing plate is fixedly connected with an annular flow guide plate, and one side of the annular flow guide plate close to the center of the sealing plate is abutted against the side wall of the annular thread plate.
As a preferable scheme of the invention, the curved surface where the maximum outer diameter of the threaded part is located and the curved surface where the outer side wall of the round box body is located are located on the same curved surface.
The embodiment of the invention has the following advantages:
according to the invention, the annular thread plate and the round box body are locked by threads, so that enough locking force can be provided, good sealing property between the cover plate and the round box body is ensured, the annular thread plate only needs to be screwed by the threads in the whole locking process, the connection process is simpler, the consumed time is less, and the connection efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a cable connection device of a mobile substation according to an embodiment of the present invention;
fig. 2 is a schematic overall structure diagram of a cable connection device of a mobile substation according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a cover plate according to an embodiment of the present invention.
In the figure:
1-a circular box body; 2-square mouth; 3-cover plate; 4-docking an assembly;
301-sealing plate; 302-annular seal groove; 303-sealing ring; 304-an annular chute; 305-ring thread plate; 306-a threaded portion; 307-ring baffle; 308-auxiliary sealing groove; 309-a sealing gasket; 310-placing grooves; 311-auxiliary crank; 312-an annular threaded portion; 313-annular straight plate portion; 314-a limit bolt; 315-annular flow guide plate.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1 to 3, the invention provides a cable connection device of a mobile substation, which comprises a circular box body 1, wherein the top of the circular box body 1 is fixedly connected with a square opening 2, the top of the circular box body 1 is provided with a cover plate 3, and a connection component 4 is arranged in the circular box body 1;
the apron 3 includes the sealing plate 301 that offsets with the top of square oral area 2 and with 2 top assorted ring seal grooves 302 of square oral area, and the top card of square oral area 2 establishes in ring seal groove 302, ring seal groove 302 internal bonding has the sealing washer 303 that offsets with 2 tops of square oral area, ring chute 304 has been seted up to the edge of sealing plate 301, sliding connection has annular thread board 305 in the ring chute 304, be provided with the screw portion 306 with annular thread board 305 threaded connection on the lateral wall of circular box 1.
When the cable connector is used, a cable is connected to the connection component 4, and then the cover plate 3 is arranged on the square opening part 2 and locked with the round box body 1.
When the cover plate 3 is locked with the circular box 1, the square opening 2 is aligned with the annular sealing groove 302 on the sealing plate 301 and is embedded until the top of the square opening 2 abuts against the sealing ring 303 arranged at the bottom of the annular sealing groove 302.
When the square mouth 2 is embedded into the annular sealing groove 302, the annular thread plate 305 is in contact with the thread part 306 on the circular box body 1, and at this time, because the square mouth 2 is clamped with the annular sealing groove 302, a positioning and limiting effect can be achieved, so that the sealing plate 301 cannot rotate under the connection of the square mouth 2 and the annular sealing groove 302.
The annular thread plate 305 is rotated to make the annular thread plate 305 engaged with the thread portion 306, the sealing plate 301 is driven to gradually attach to the square opening 2 by the rotation of the annular thread plate 305 and the thread screwing, and when the top of the square opening 2 abuts against the bottom of the annular sealing groove 302, the annular thread plate 305 reaches the maximum thread screwing amount.
Through annular thread board 305 and screw thread portion 306 threaded connection, can increase the locking force between apron 3 and the circular box 1, possess the same effect with traditional bolt locking, but required connection step is still less, only need rotate annular thread board 305 to the maximum can, the time that consumes is less, has improved connection efficiency.
And the annular thread plate 305 is in threaded connection with the thread part 306, the sealing performance of the joint between the cover plate 3 and the square opening part 2 can be ensured to be good by larger locking force, and the problem of poor sealing performance caused by simplifying the connection process can be avoided.
The top of the square opening is fixedly connected with two annular baffles 307, the bottom of the annular sealing groove 302 is provided with two auxiliary sealing grooves 308 corresponding to the annular baffles 307, each annular baffle 307 is clamped in the corresponding auxiliary sealing groove 308, and the bottoms of the two auxiliary sealing grooves 308 are respectively bonded with a sealing gasket 309 which is abutted against the top of the corresponding annular baffle 307.
In order to further improve the sealing performance of the joint between the sealing plate 301 and the square mouth portion 2, two annular baffles 307 are fixedly connected to the top of the square mouth portion 2, and the bottom of the annular sealing groove 302 is provided with a corresponding auxiliary sealing groove 308 which is in matched connection with the annular baffle, so that the complexity and the length of the path to be passed are increased, and the sealing performance of the joint is improved by sealing with a sealing gasket 309.
The height of the annular barrier 307 is less than the depth of the annular seal groove 302.
The height of the annular baffle 307 is smaller than the depth of the annular sealing groove 302, so that when the annular baffle 307 is embedded into the corresponding auxiliary sealing groove 308, the top of the square opening 2 can be abutted against the bottom of the annular sealing groove 302, and the sealing performance is ensured.
The depth of the annular seal groove 302 is not greater than the height of the square mouth 2.
The square opening part 2 can be ensured to be propped against the bottom of the annular sealing groove 302.
A plurality of placing grooves 310 are symmetrically arranged on the outer side wall of the annular thread plate 305, the bottom of each placing groove 310 is communicated with the outside of the annular thread plate 305, an auxiliary crank 311 is movably connected in each placing groove 310, and anti-skid threads are arranged on each auxiliary crank 311.
In order to improve the convenience of screwing the annular thread plate 305, when screwing, two auxiliary handles 311 at corresponding positions are rotated to a horizontal position from the corresponding placing grooves 310, the auxiliary handles 311 are held by two hands to screw the annular thread plate 305, and the auxiliary handles 311 enable the annular thread plate 305 to have a force application position when screwing, so that screwing is more convenient and faster.
And a plurality of auxiliary cranks 311 are arranged, so that no matter how many angles the annular thread plate 305 rotates, the corresponding auxiliary cranks 311 can be held for use.
The bottom of the auxiliary crank 311 and the plane of the bottom of the annular thread plate 305 are located on the same plane, and magnetic parts are arranged on the side walls of the auxiliary crank 311, which abut against the corresponding placing grooves 310.
In order to avoid interference with normal operation when the annular thread plate 305 is screwed in, the auxiliary crank 311 is separated from the placing groove 310 by the action of centrifugal force, so that the magnetic attraction part attracts the auxiliary crank 311 and the placing groove 310 by the magnetic attraction part, thereby avoiding offsetting the centrifugal force, and ensuring that the auxiliary crank 311 is positioned in the placing groove 310 when not in use without interference with normal operation.
The annular thread plate 305 comprises an annular thread part 312 connected with the sealing plate 301 and an annular straight plate part 313 fixedly connected to the bottom of the annular thread part 312, two limiting bolts 314 are symmetrically and threadedly connected to the annular straight plate part 313, and one end of each limiting bolt 314 is abutted to the outer wall of the circle center box body 1.
In order to ensure good self-locking performance of the annular thread plate 305, the annular thread part 312 is in threaded connection with the thread part 306, the limit bolt 314 abuts against the outer wall of the circular box body 1 through the annular straight plate part 313, and the rotation trend of the annular thread plate 305 is hindered by generated friction force.
The width of the threaded portion 306 is larger than the width of the annular threaded portion 312, and the width of the threaded portion 306 is smaller than the sum of the widths of the annular threaded portion 312 and the annular straight plate portion 313.
The threaded portion 306 needs to have a sufficient width to ensure that the annular threaded plate 305 is locked with the threaded portion 306 to ensure sealing performance, and cannot interfere with the use of the stopper bolt 314, so that the width of the threaded portion 306 is greater than the width of the annular threaded portion 312, and the width of the threaded portion 306 is smaller than the sum of the widths of the annular threaded portion 312 and the annular straight plate portion 313.
The bottom of the sealing plate 301 is fixedly connected with an annular flow guide plate 315, and one side of the annular flow guide plate 315 close to the center of the sealing plate 301 is abutted against the side wall of the annular thread plate 305.
In order to avoid liquid such as water from penetrating along the joint between the annular thread plate 305 and the sealing plate 301, the liquid is guided below the joint by the annular flow guide plate 315, and the liquid can be prevented from penetrating into the joint.
The curved surface where the maximum outer diameter of the thread part 306 is located and the curved surface where the outer side wall of the round box body 1 is located are located on the same curved surface.
That is, the annular straight plate portion 313 can be attached to the outer wall of the circular case 1, and the gap between the annular straight plate portion 313 and the circular case 1 is small, thereby improving the sealing property.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The cable connection device of the mobile substation is characterized by comprising a circular box body (1), wherein the top of the circular box body (1) is fixedly connected with a square opening (2), the top of the circular box body (1) is provided with a cover plate (3), and a connection assembly (4) is arranged in the circular box body (1);
the utility model discloses a sealing plate, including the apron (3) with the closing plate (301) that the top of square oral area portion (2) offseted and with square oral area portion (2) top assorted annular seal groove (302), just the top card of square oral area portion (2) is established in annular seal groove (302), annular seal groove (302) internal bonding has sealing washer (303) that offsets with square oral area portion (2) top, annular spout (304) have been seted up to the edge of closing plate (301), sliding connection has annular thread board (305) in annular spout (304), be provided with on the lateral wall of circular box (1) with annular thread board (305) threaded connection's screw portion (306).
2. The cable connection device of the mobile substation according to claim 1, wherein two annular baffles (307) are fixedly connected to the top of the square opening, two auxiliary sealing grooves (308) are formed in the bottom of the annular sealing groove (302) corresponding to the annular baffles (307), each annular baffle (307) is clamped in the corresponding auxiliary sealing groove (308), and a sealing gasket (309) abutting against the top of the corresponding annular baffle (307) is bonded to the bottom of each auxiliary sealing groove (308).
3. A cable docking device of a mobile substation according to claim 2, characterized in that the height of the annular barrier (307) is less than the depth of the annular sealing groove (302).
4. A cable docking device for a mobile substation according to claim 3, characterized in that the depth of the annular sealing groove (302) is not greater than the height of the square mouth (2).
5. The cable connection device of the mobile substation of claim 1, wherein a plurality of placing grooves (310) are symmetrically arranged on the outer side wall of the annular threaded plate (305), the bottoms of the placing grooves (310) are communicated with the outside of the annular threaded plate (305), an auxiliary crank (311) is movably connected in each placing groove (310), and anti-skid patterns are formed in each auxiliary crank (311).
6. The cable connection device of the mobile substation according to claim 5, wherein the bottom of the auxiliary crank (311) and the bottom of the annular threaded plate (305) are located on the same plane, and magnetic attraction parts are arranged on the side walls of the auxiliary crank (311) abutting against the corresponding placing grooves (310).
7. The cable connection device of the mobile substation according to claim 6, wherein the annular thread plate (305) comprises an annular thread part (312) connected with the sealing plate (301) and an annular straight plate part (313) fixedly connected to the bottom of the annular thread part (312), two limiting bolts (314) are symmetrically and threadedly connected to the annular straight plate part (313), and one end of each limiting bolt (314) abuts against the outer wall of the circle center box body (1).
8. The cable docking device of a mobile substation according to claim 7, characterized in that the width of the threaded portion (306) is greater than the width of the annular threaded portion (312), and the width of the threaded portion (306) is less than the sum of the widths of the annular threaded portion (312) and the annular straight plate portion (313).
9. The cable connection device of the mobile substation according to claim 1, wherein an annular flow guide plate (315) is fixedly connected to the bottom of the sealing plate (301), and one side of the annular flow guide plate (315) close to the center of the sealing plate (301) abuts against the side wall of the annular thread plate (305).
10. The cable connection device of the mobile substation according to claim 8, wherein the curved surface where the maximum outer diameter of the threaded portion (306) is located and the curved surface where the outer side wall of the circular box body (1) is located are located on the same curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010454330.3A CN111682497B (en) | 2020-05-26 | 2020-05-26 | Cable connection device of mobile substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010454330.3A CN111682497B (en) | 2020-05-26 | 2020-05-26 | Cable connection device of mobile substation |
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| Publication Number | Publication Date |
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| CN111682497A true CN111682497A (en) | 2020-09-18 |
| CN111682497B CN111682497B (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010454330.3A Active CN111682497B (en) | 2020-05-26 | 2020-05-26 | Cable connection device of mobile substation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112098332A (en) * | 2020-10-22 | 2020-12-18 | 贵州理工学院 | Mobile modified asphalt detection laboratory with fluorescence imaging function |
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| CN103887096A (en) * | 2014-03-21 | 2014-06-25 | 徐州工程学院 | Down-hole explosion-proof power box outer power-off device and method |
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| Publication number | Publication date |
|---|---|
| CN111682497B (en) | 2021-06-11 |
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