CN212695590U - Ring main unit with safe opening and closing brake operation - Google Patents
Ring main unit with safe opening and closing brake operation Download PDFInfo
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- CN212695590U CN212695590U CN202021347544.2U CN202021347544U CN212695590U CN 212695590 U CN212695590 U CN 212695590U CN 202021347544 U CN202021347544 U CN 202021347544U CN 212695590 U CN212695590 U CN 212695590U
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- main unit
- door
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Abstract
The utility model discloses a ring main unit with safe switching operation, which comprises a cabinet body, wherein a vacuum circuit breaker and a compound switch assembly are arranged in the cabinet body, the compound switch assembly comprises a shell, an isolating switch and a grounding switch, two operation parts are arranged on the compound switch assembly, and operation holes corresponding to the two operation parts are arranged on the shell; a door plate is detachably arranged at the front side of the cabinet body, a window is arranged on the door plate, and a front panel of the shell is exposed out of the window; the composite switch assembly is provided with a limiting mechanism, the door plate is provided with a positioning block, and when the door plate is installed on the cabinet body or separated from the cabinet body, the positioning block is matched with or separated from the limiting mechanism so that the operation part is communicated with or blocked from the corresponding operation hole. The utility model discloses a looped netowrk cabinet of floodgate operation safety opens and shuts, when the cable chamber door state of opening, can not carry out relevant combined floodgate or separating brake operation to blend switch, effectively ensure personal safety.
Description
Technical Field
The utility model belongs to the technical field of the electrical equipment technique and specifically relates to a switching gate safe operation's looped netowrk cabinet.
Background
The Ring Main Unit (Ring Main Unit) with safe switching on and off operation is a group of electric equipment (high-voltage switch equipment) which is arranged in a metal or nonmetal insulating cabinet body or is made into an assembled interval Ring Main power supply Unit, and the core part of the Ring Main Unit adopts a load switch and a fuse, so that the Ring Main Unit has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like. The transformer substation is widely applied to distribution stations and box-type substations of load centers of urban residential districts, high-rise buildings, large public buildings, factory enterprises and the like.
The front side of the ring main unit with safe opening and closing operations is generally provided with a cable chamber door which is mainly used for installing cables or maintaining. In the safe looped netowrk cabinet of the switching-on/off operation of prior art, the position of cable chamber door is corresponding with cabinet body internally mounted's combination switch, when operating combination switch from cabinet body outside promptly, needs pass the door plant of cable chamber door with operating means and operate, also can direct operation after cable chamber door dismantles of course, and is very obvious, and there is very big potential safety hazard in this kind of operation mode.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the utility model provides a safe looped netowrk cabinet of floodgate operation opens and shuts, when the state is opened to cable chamber door, can not carry out relevant combined floodgate or separating brake operation to blend switch, has very high security performance, effectively ensures personal safety.
The utility model adopts the technical proposal that: the ring main unit comprises a cabinet body, wherein a vacuum circuit breaker and a compound switch assembly are installed in the cabinet body, an operating mechanism of the vacuum circuit breaker is interlocked with an operating mechanism of the compound switch assembly, the compound switch assembly comprises a shell, an isolating switch and a grounding switch, the isolating switch and the grounding switch are respectively installed in the shell, two operating parts used for controlling the isolating switch and the grounding switch to be switched on or switched off are arranged on the compound switch assembly, and operating holes corresponding to the two operating parts are formed in the shell;
a door plate is detachably arranged on the front side of the cabinet body, a window is arranged on the door plate, and a front panel of the shell is exposed out of the window; the combined switch assembly is provided with a limiting mechanism, the door plate is provided with a positioning block, and when the door plate is installed on the cabinet body or separated from the cabinet body, the positioning block is matched with or separated from the limiting mechanism so that the operation part is communicated with or blocked from the corresponding operation hole.
Compared with the prior art, the utility model has the following advantage:
the utility model discloses in, door plant and cabinet body detachable connection to set up an opening window on the door plant, directly let the casing front panel of combined switch subassembly expose in this opening window, so directly operate on the casing front panel through this opening window during the operation, it is very convenient.
The composite switch assembly is provided with a limiting mechanism for controlling an operation part of the composite switch assembly, specifically, a positioning block is arranged on the door panel corresponding to the limiting mechanism on the composite switch assembly, when the door panel is installed with the cabinet body, the positioning block is matched with the limiting mechanism, and an external operation wrench can directly penetrate through an operation hole on the shell to perform related switching-on or switching-off operation on the composite switch; when the door plant and the cabinet body separation, stop gear carries out corresponding blockking between to operation hole and the blend switch, at this moment, outside operation spanner can not operate blend switch, can not take place the maloperation under the condition that the door plant did not adorn like this after the design, ensures operating personnel's safety.
Furthermore, the limiting mechanism comprises a limiting plate and a linkage rod, the limiting plate is arranged in the shell in a sliding manner along the vertical direction, and a through hole corresponding to the operation hole is formed in the limiting plate; the top of the shell is provided with a fixed seat, the linkage rod is hinged to the fixed seat, one end of the linkage rod is hinged to the top of the limiting plate, the other end of the linkage rod is provided with an assembling part, when the door panel is installed on the cabinet body, the lower surface of the positioning block is matched with the upper surface of the assembling part, the linkage rod rotates along a hinged point on the fixed plate so as to drive the limiting plate to move upwards, and a through hole in the limiting plate is communicated with the operation hole; when the door plate is separated from the cabinet body, the limiting plate moves downwards under the action of self gravity, and the through hole is blocked with the operation hole.
As an improvement, the articulated department of gangbar and fixing base is equipped with the torsional spring, the gangbar be close to the one end of joining in marriage the dress portion and be equipped with spacing support, when the locating piece with join in marriage the dress portion cooperation, spacing support and lean on the upper surface of casing. The arrangement of the torsion spring enables the linkage rod to rotate more stably, the elasticity of the torsion spring can play a certain buffering role, and the acting force at the position of the hinge point can be reduced to a certain extent; in addition, a limiting support is arranged below the linkage rod, and the rotation limit position of the linkage rod can be limited, so that after the door plate and the cabinet body are installed, the positioning block on the door plate is matched with the matching part on the linkage rod more stably and is not easy to slide.
And the improvement is that the bottom of the limiting plate is provided with a guide plate, the bottom of the shell is provided with a guide through hole, and the guide plate can be slidably arranged in the guide through hole. The guide plate has good guiding effect when the limiting plate slides up and down in the shell, so that the limiting plate cannot deflect left and right when moving.
Furthermore, the detachable door plant that is equipped with of front side of the cabinet body means, be equipped with a plurality of picture pegs along vertical direction on two stands of cabinet body front side, what correspond on the both sides limit of door plant is equipped with a plurality of jacks of joining in marriage mutually with the fixed plate, and during the door plant installation, the joining in marriage that each jack corresponds is on a plurality of fixed plates.
Preferably, a limiting part is arranged above the fixing plate; a movable gap D is reserved between the top of the door plate and the preassembly component on the cabinet body. Set up spacing portion on the upper portion of fixed plate to the top of door plant has the activity space, when the door plant is connected with cabinet body cartridge like this, needs lift certain distance with the door plant, then corresponds the cartridge with the jack on the door plant and the fixed plate on the cabinet body, down promotes the door plant at last for spacing block is in the jack of door plant, and the door plant will be unable to be pulled out along the horizontal direction like this, during if needs dismantle the door plant. As long as with the door plant and go up to draw the section distance, when spacing portion lost the spacing block to the door plant, can draw out the door plant outwards along the horizontal direction. After setting up like this for overall structure is stable, and the door plant can not break away from with the cabinet body easily.
As an improvement, a vertical slot is formed in the bottom of the front end of the cabinet body, a limiting cross rod is arranged on the front side face of the cabinet body corresponding to the upper portion of the door plate, and the upper surface of the limiting cross rod is downwards concave to form a limiting groove; the bottom of the door plate is provided with an L-shaped inserting plate, the upper part of the door plate is provided with a horizontal limiting plate, and the lower surface of the horizontal limiting plate is provided with a limiting bulge matched with the limiting groove; side inserting plates are arranged on two sides of the door plate. Each picture peg and slot structure's setting for the door plant is joined in marriage the dress back structure with the cabinet body and is more stable, level and smooth, and sets up L type picture peg in the bottom of door plant, during the installation, at first with the tip cartridge of the vertical section of L type picture peg on the door plant in the vertical slot of the cabinet body, plays a direction spacing effect earlier to the door plant, guarantees the accuracy of position, then corresponds each picture peg on the door plant and the slot on the cabinet body and joins in marriage the dress, and it is more convenient to install, swift.
Drawings
Fig. 1 is a front schematic structural diagram of the ring main unit of the present invention with safe opening and closing operation.
Fig. 2 is the internal side structure schematic diagram of the ring main unit of the utility model with safe opening and closing operation.
Fig. 3 is a partial schematic view of the ring main unit of the present invention with safe opening and closing operation.
Fig. 4 is an enlarged structural view at a in fig. 3.
Fig. 5 is an enlarged structural view of another state at a in fig. 3.
Fig. 6 is a schematic diagram of a limiting plate structure in the present invention.
Fig. 7 is a schematic structural view of the door panel of the present invention.
Fig. 8 is a schematic side view of the door panel of the present invention.
Fig. 9 is an enlarged structural view at B in fig. 3.
Fig. 10 is an enlarged structural view at C in fig. 8.
Fig. 11 is an enlarged structural view at D in fig. 8.
The vacuum circuit breaker comprises a cabinet body 1, a vacuum circuit breaker 2, a compound switch assembly 3, a shell 4, an operation hole 4.1, a door panel 5, a window 5.1, a jack 5.2, a positioning block 6, a limiting mechanism 7, a limiting plate 7.1, a through hole 7.1.1, a connecting plate 7.1.2, a limiting slide bar 7.1.3, an avoiding through hole 7.1.4, a linkage rod 7.2, a fixing seat 7.3, a fitting part 7.4, a limiting support 7.5, a guide plate 8, a fixing plate 9, a vertical slot 10, a limiting cross bar 11, a limiting groove 11.1, an L-shaped plug board 12, a horizontal limiting plate 13.1, a limiting bulge 14, a side plug board 15, a mounting hole 16 and a guide rod 16
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
In the description of the present invention, it should be noted that the terms "front side", "both sides", "front panel", "top", "bottom", "lower surface", "upper surface", "downward", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "fitted" are to be understood broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-11, the utility model provides a switching operation safety's looped netowrk cabinet, including the cabinet body 1, install vacuum circuit breaker 2 and blend switch subassembly 3 in the cabinet body 1, vacuum circuit breaker 2 installs in the top of the cabinet body 1, and blend switch subassembly 3 is located its below position, and vacuum circuit breaker 2's operating device and blend switch subassembly 3's operating device interlock mutually.
The removable door plant 5 that is equipped with in front of the cabinet body 1, be equipped with window 5.1 on the door plant 5, the front panel of casing 4 expose in window 5.1, guide bar 16 outwards extends to passing door plant 5, when using operation spanner to operate isolator or earthing switch, the middle part of operation spanner is spacing on guide bar 16, and operation spanner's operation end passes operation hole 4.1 and the operating portion carries out the combined floodgate or the separating brake of the corresponding switch of cooperation operation.
The composite switch component 3 is provided with a limiting mechanism 7, and a corresponding position on the door panel 5 is provided with a positioning block 6.
As shown in fig. 5, in a state where the door panel 5 is mounted on the cabinet 1, the positioning block 6 is fitted with the limiting mechanism 7, and at this time, the operation portion of each switch is communicated with the operation hole 4.1, specifically, the mounting hole 15 on the operation portion is also completely exposed from the operation hole 4.1 on the front panel of the housing 4, and at this time, the operation wrench can pass through the operation hole 4.1 to perform the operation of closing or opening.
As shown in fig. 4, the door panel 5 is separated from the cabinet 1, at this time, the positioning block 6 is separated from the limiting mechanism 7, and at this time, the operation portion is blocked from the corresponding operation hole 4.1, that is, the installation hole 15 on the operation portion is completely blocked by the front panel of the housing 4, and at this time, the operation wrench cannot operate the operation portion through the operation hole 4.1. After setting up like this, guarantee to carry out corresponding switch combined floodgate or separating brake operation after door plant 5 and the installation of the cabinet body 1, fully guaranteed operating personnel's security.
In this embodiment, it is concrete, stop gear 7 includes limiting plate 7.1 and gangbar 7.2, and limiting plate 7.1 is established in casing 4 along vertical direction slidable, is equipped with an opening on casing 4's roof, and limiting plate 7.1's upper portion is provided with a connecting plate 7.1.2, and connecting plate 7.1.2 can be gliding from top to bottom establish in the opening, and this limiting plate 7.1 is laminated with casing 4's the inside wall of front panel mutually, can improve limiting plate 7.1 gliding straightness that hangs down from top to bottom, is difficult to block and dies.
The limiting plate 7.1 is provided with a through hole 7.1.1 corresponding to the operating hole 4.1, and the middle part of the limiting plate 7.1 is also provided with an avoiding through hole 7.1.4 for the guide rod 16 to pass through.
The top of casing 4 is equipped with fixing base 7.3, the gangbar 7.2 articulates on fixing base 7.3, and a tip of gangbar 7.2 is articulated with limiting plate 7.1's top, the other end of gangbar 7.2 is equipped with and joins in marriage dress portion 7.4, when door plant 5 installs on the cabinet body 1, the lower surface of locating piece 6 cooperatees with the upper surface of joining in marriage dress portion 7.4, thereby the gangbar 7.2 rotates along the pin joint clockwise direction on the fixing base 7.3 and drives limiting plate 7.1 and move up, thereby make through-hole 7.1.1 on the limiting plate 7.1 be linked together with handle hole 4.1, at this moment the operation spanner can be connected with the interior operation portion of casing 4 through handle hole 4.1, carry out the operation of switch.
When door plant 5 and the separation of the cabinet body 1, locating piece 6 loses the pressfitting spacing to linkage rod 7.2, then limiting plate 7.1 moves down under self action of gravity, and through-hole 7.1.1 staggers each other with operation hole 4.1, is in and blocks the disconnected state, and at this moment, the operation spanner can not operate the operation portion through operation hole 4.1.
A torsional spring is arranged at the hinged position of the linkage rod 7.2 and the fixed seat 7.3, a limiting support 7.5 is arranged at one end of the linkage rod 7.2 close to the assembling part 7.4, and when the positioning block 6 is matched with the assembling part 7.4, the limiting support 7.5 is abutted against the upper surface of the shell 4.
In order to make the up-and-down sliding of the limiting plate 7.1 more stable, a guiding plate 8 is arranged at the bottom of the limiting plate 7.1, a guiding through hole is correspondingly arranged at the bottom of the shell 4, and the guiding plate 8 can be slidably arranged in the guiding through hole.
In addition, limiting sliding strips 7.1.3 are further arranged on two sides of the limiting block 7.1 in the vertical direction, sliding grooves are correspondingly formed in two sides of the shell 4, and the two sides of the limiting block 7.1 are assembled in the sliding grooves in a sliding mode through the limiting sliding strips 7.1.3.
In this embodiment, the detachable door panel 5 that is provided at the front side of the cabinet body 1 specifically means that a plurality of fixing plates 9 are provided along the vertical direction on two upright posts 1.1 at the front side of the cabinet body 1, a plurality of insertion holes 5.2 that are assembled with the fixing plates 9 are correspondingly provided on two side edges of the door panel 5, and when the door panel 5 is installed, the insertion holes 5.2 are assembled on the fixing plates 9 correspondingly.
Of course, the installation manner of the door panel 5 and the cabinet 1 is not limited to the insertion, and may be a bolt.
Set up spacing portion 9.1 on the upper portion of fixed plate 9, and leave movable gap D between the pre-installation part on the top of door plant 5 and the cabinet body 1, like this when door plant 5 is connected with the 1 cartridge of cabinet body, at first lift certain distance with door plant 5, then it is corresponding with fixed plate 9 position on 5.1 and the cabinet body 1 of jack on the door plant 5, push door plant 5 towards 1 inner chamber level of cabinet body, at last push door plant 5 down, make spacing portion 9.1 block in 5 of jack of door plant 5, door plant 5 will be unable to be pulled out along the horizontal direction like this. When door plant 5 is dismantled to needs, as long as upwards carry a section distance with door plant 5 earlier, when spacing portion 9.1 lost the spacing block to door plant 5, can outwards pull out door plant 5 along the horizontal direction. After the arrangement, the whole structure is stable, and the door panel 5 and the cabinet body 1 cannot be separated easily.
For door plant 5 and the cabinet body 1 assembly back, whole outward appearance is more level and more smooth, and the structure is more stable, is equipped with vertical slot 10 in the bottom of the 1 front side of the cabinet body, and the position that the 1 leading flank of the cabinet body corresponds with 5 upper portions of door plant is equipped with spacing horizontal pole 11, and the upper surface of spacing horizontal pole 11 is equipped with spacing recess 11.1.
Correspondingly, an L-shaped inserting plate 12 is arranged at the bottom of the door panel 5, a horizontal limiting plate 13 is arranged at the upper part of the door panel 5, a limiting protrusion 13.1 is arranged on the lower surface of the horizontal limiting plate 13, and side inserting plates 14 are arranged on two sides of the door panel 5. When the door panel 5 is installed with the cabinet body 1, firstly, the vertical section of the L-shaped inserting plate 12 is inserted into the vertical slot 10, after each inserting hole 5.2 on the door panel 5 is aligned with the upper fixing plate 9 of the cabinet body 1, the door panel 5 is horizontally pushed towards the rear of the cabinet body 1, so that each fixing plate 9 and the inserting hole 5.2 are assembled, at the moment, the side inserting plates 14 on two sides of the door panel 5 are attached and assembled between the two upright posts 1.1 on the front side of the cabinet body 1, then, the whole door panel 5 is pushed downwards, so that the limiting protrusions 13.1 are just inserted into the limiting grooves 11.1 on the limiting cross bars 11, and the whole process of the door panel 5 is assembled.
While the above is directed to the preferred embodiment of the present invention, it is not intended that it be limited, except as by the appended claims. The present invention is not limited to the above embodiments, and the specific structure thereof allows for changes, all the changes made within the protection scope of the independent claims of the present invention are within the protection scope of the present invention.
Claims (7)
1. The utility model provides a safe looped netowrk cabinet of floodgate operation opens and shuts, includes the cabinet body (1), the cabinet body (1) in install vacuum circuit breaker (2) and blend switch subassembly (3), just the operating device of vacuum circuit breaker (2) and the operating device of blend switch subassembly (3) interlock mutually, its characterized in that: the combined switch assembly (3) comprises a shell (4), an isolating switch and a grounding switch, wherein the isolating switch and the grounding switch are respectively arranged in the shell (4), two operation parts which are respectively used for controlling the isolating switch and the grounding switch to be switched on or switched off are arranged on the combined switch assembly (3), and operation holes (4.1) corresponding to the two operation parts are arranged on a front panel of the shell (4);
a door plate (5) is detachably arranged on the front side of the cabinet body (1), a window (5.1) is arranged on the door plate (5), and the front panel of the shell (4) is exposed out of the window (5.1); casing (4) on be equipped with stop gear (7), door plant (5) on be equipped with locating piece (6), when door plant (5) install on the cabinet body (1) or when separating with the cabinet body (1), locating piece (6) cooperate or separate so that the operating portion with correspond the intercommunication or block of operation hole (4.1) with stop gear (7).
2. The ring main unit of claim 1, wherein the switching gate is operated safely, and the ring main unit comprises: the limiting mechanism (7) comprises a limiting plate (7.1) and a linkage rod (7.2), the limiting plate (7.1) is arranged in the shell (4) in a sliding manner along the vertical direction, and a through hole (7.1.1) corresponding to the operating hole (4.1) is formed in the limiting plate (7.1); the top of the shell (4) is provided with a fixing seat (7.3), the linkage rod (7.2) is hinged to the fixing seat (7.3), one end of the linkage rod (7.2) is hinged to the top of the limiting plate (7.1), the other end of the linkage rod (7.2) is provided with an assembling part (7.4), when the door panel (5) is installed on the cabinet body (1), the lower surface of the positioning block (6) is matched with the upper surface of the assembling part (7.4), the linkage rod (7.2) rotates along a hinge point on the fixing seat (7.3) to drive the limiting plate (7.1) to move upwards, and a through hole (7.1.1) in the limiting plate (7.1) is communicated with the operation hole (4.1); when the door plate (5) is separated from the cabinet body (1), the limiting plate (7.1) moves downwards under the action of self gravity, and the through hole (7.1.1) is blocked with the operation hole (4.1).
3. The ring main unit of claim 2, wherein the switching gate is operated safely, and the ring main unit comprises: a torsional spring is arranged at the hinged position of the linkage rod (7.2) and the fixed seat (7.3), a limiting support (7.5) is arranged at one end, close to the assembling part (7.4), of the linkage rod (7.2), and when the positioning block (6) is matched with the assembling part (7.4), the limiting support (7.5) abuts against the upper surface of the shell (4).
4. The ring main unit with safe switching operation according to claim 2 or 3, wherein: the bottom of limiting plate (7.1) is equipped with deflector (8), the bottom of casing (4) is equipped with the direction through-hole, deflector (8) slidable establish in the direction through-hole.
5. The ring main unit of claim 1, wherein the switching gate is operated safely, and the ring main unit comprises: the detachable door plate (5) arranged on the front side of the cabinet body (1) means that a plurality of fixing plates (9) are arranged on two upright posts (1.1) on the front side of the cabinet body (1) along the vertical direction, a plurality of jacks (5.2) assembled with the fixing plates (9) are correspondingly arranged on two side edges of the door plate (5), and when the door plate (5) is installed, the jacks (5.2) are correspondingly assembled on the fixing plates (9).
6. The ring main unit of claim 5, wherein the switching gate is operated safely, and the ring main unit comprises: a limiting part (9.1) is arranged above the fixing plate (9); a movable gap D is reserved between the top of the door panel (5) and a pre-installed component on the cabinet body (1).
7. The ring main unit of claim 6, wherein the switching gate is operated safely, and the ring main unit comprises: a vertical slot (10) is formed in the bottom of the front end of the cabinet body (1), a limiting cross rod (11) is arranged on the front side face of the cabinet body (1) corresponding to the upper portion of the door panel (5), and the upper surface of the limiting cross rod (11) is downwards concave to form a limiting groove (11.1);
an L-shaped inserting plate (12) is arranged at the bottom of the door panel (5), a horizontal limiting plate (13) is arranged at the upper part of the door panel (5), and a limiting protrusion (13.1) matched with the limiting groove (11.1) is arranged on the lower surface of the horizontal limiting plate (13); side inserting plates (14) are further arranged on two sides of the door panel (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021347544.2U CN212695590U (en) | 2020-07-10 | 2020-07-10 | Ring main unit with safe opening and closing brake operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021347544.2U CN212695590U (en) | 2020-07-10 | 2020-07-10 | Ring main unit with safe opening and closing brake operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212695590U true CN212695590U (en) | 2021-03-12 |
Family
ID=74896730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021347544.2U Active CN212695590U (en) | 2020-07-10 | 2020-07-10 | Ring main unit with safe opening and closing brake operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212695590U (en) |
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2020
- 2020-07-10 CN CN202021347544.2U patent/CN212695590U/en active Active
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