CN214255390U - Looped netowrk cabinet load switch's maintenance discharge mechanism - Google Patents
Looped netowrk cabinet load switch's maintenance discharge mechanism Download PDFInfo
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- CN214255390U CN214255390U CN202120377787.9U CN202120377787U CN214255390U CN 214255390 U CN214255390 U CN 214255390U CN 202120377787 U CN202120377787 U CN 202120377787U CN 214255390 U CN214255390 U CN 214255390U
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- ring main
- discharge mechanism
- connecting plate
- load switch
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Abstract
The utility model relates to a looped netowrk cabinet load switch's maintenance discharge mechanism belongs to the switch and overhauls technical field, include: the ring main unit, and the ganged switch and the operating member which are arranged in the ring main unit; the gang switch includes: the copper tube, the linkage mechanism arranged at the upper end of the copper tube and the discharge mechanism arranged at the lower end of the copper tube; the operating member includes: the device comprises a base arranged at the bottom of the ring main unit and a connecting rod mechanism arranged on the base; the link mechanism includes: the device comprises a rotating shaft, a U-shaped clamping plate and a driving rod, wherein the rotating shaft is rotatably connected to a base; the upper end of the driving rod is connected with a driving shaft in the ring main unit; wherein, be equipped with the L type piece that uses with the cooperation of U type splint on the mechanism of discharging. The utility model discloses an operating mechanism control button that the operation set up can make U type splint and L type piece contact to guarantee that the stable ground connection that carries on of residual capacity in the mechanism that discharges, the problem of flashover when so having avoided overhauing.
Description
Technical Field
The utility model relates to a switch overhauls technical field, concretely relates to looped netowrk cabinet load switch's maintenance discharge mechanism.
Background
The load switch is a switching device between a circuit breaker and a disconnecting switch, and has a simple arc-extinguishing device, and can cut off rated load current and a certain overload current, but can not cut off short-circuit current.
Among the prior art, after load switch separating brake, when overhauing, because there is residual capacity in the switch, can carry out the phenomenon of discharging, has the problem of flashover to, be unfavorable for the maintenance work of switch.
In view of the above, it is desirable to design a discharging mechanism capable of releasing the residual electric quantity in time when the switch is overhauled.
SUMMERY OF THE UTILITY MODEL
The utility model is directed to the above problem, a looped netowrk cabinet load switch's maintenance discharge mechanism is provided.
The utility model adopts the technical proposal that: the utility model provides an overhaul discharge mechanism of looped netowrk cabinet load switch, includes: the ring main unit, and the ganged switch and the operating member which are arranged in the ring main unit;
the gang switch includes: the copper tube, the linkage mechanism arranged at the upper end of the copper tube and the discharge mechanism arranged at the lower end of the copper tube;
the operating member includes: the device comprises a base arranged at the bottom of the ring main unit and a connecting rod mechanism arranged on the base;
the link mechanism includes: the device comprises a rotating shaft, a U-shaped clamping plate and a driving rod, wherein the rotating shaft is rotatably connected to a base; the upper end of the driving rod is connected with a driving shaft in the ring main unit; and the discharging mechanism is provided with an L-shaped block matched with the U-shaped clamping plate for use.
Further, the base includes: the transverse plate is a group of vertical plates symmetrically arranged at the left end and the right end of the transverse plate;
the diaphragm passes through screw and looped netowrk cabinet bottom inner wall connection, the pivot rotates to be connected between two risers.
Furthermore, the lower end of the driving rod is rotatably connected with a first connecting plate, the tail end of the first connecting plate is rotatably connected with a second connecting plate, the tail end of the second connecting plate is rotatably connected with a third connecting plate, and the tail end of the third connecting plate is fixedly connected with the rotating shaft;
wherein, a vertical plate at the same side of the first connecting plate is provided with a vertical groove and a chute; the driving rod is connected with the vertical groove through a bolt at the joint of the first connecting plate, and the first connecting plate is connected with the second connecting plate through a bolt at the joint of the first connecting plate and the second connecting plate.
Furthermore, a bolt is arranged between the U-shaped clamping plates, and a spring is arranged on the bolt outside the two sides of each U-shaped clamping plate.
Further, the cross-sectional profile of the rotating shaft is square.
Furthermore, the upper end of the driving rod is hinged with a driving shaft in the ring main unit, and the driving shaft is provided with an insulating layer on the insulating surface.
Furthermore, the upper end of the driving rod is of a bent structure.
Furthermore, the discharge mechanism is provided with a plurality of corresponding U-shaped clamping plates, the number of the corresponding U-shaped clamping plates is the same as that of the discharge mechanism, and the installation positions of the U-shaped clamping plates are opposite to the discharge mechanism.
The utility model has the advantages that:
1. after the load switch is switched off, when the linkage switch is overhauled, the U-shaped clamp plate can be contacted with the L-shaped block by operating the control button of the operating mechanism, so that the stable grounding discharge of the residual electric quantity in the discharging mechanism is ensured, and the problem of flash explosion during overhauling is avoided.
2. When U type splint frequently contact the back with L type piece, have the terminal opening grow of U type splint, make U type splint not enough discharge with L type piece stable contact, and the spring that sets up can give an effort for U type splint end to, above-mentioned problem has been avoided.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.
Fig. 1 is a schematic perspective view of an embodiment of the present invention;
fig. 2 is a schematic front structural view of an embodiment of the present invention;
fig. 3 is a schematic perspective view of a base according to an embodiment of the present invention;
fig. 4 is a schematic side view of a base according to an embodiment of the present invention.
Reference numerals:
1 is the looped netowrk cabinet, 2 is the copper pipe, 3 is discharge mechanism, 4 is the pivot, 5 is U type splint, 6 is the actuating lever, 7 is L type piece, 8 is the riser, 9 is the diaphragm.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1 to 4, as shown in fig. 1 to 4, an overhaul discharging mechanism of a ring main unit load switch includes: the ring main unit 1, and a linkage switch and an operation member which are arranged in the ring main unit 1;
the gang switch includes: the copper tube 2, the linkage mechanism arranged at the upper end of the copper tube 2, and the discharge mechanism 3 arranged at the lower end of the copper tube 2;
the operating member includes: the device comprises a base arranged at the bottom of the ring main unit 1 and a connecting rod mechanism arranged on the base;
the link mechanism includes: the device comprises a rotating shaft 3 rotatably connected to a base, a U-shaped clamping plate 5 fixedly connected to the rotating shaft 3, and a driving rod 6 arranged at one end of the rotating shaft 4; the upper end of the driving rod 6 is connected with a driving shaft in the ring main unit 1; wherein, the discharging mechanism 3 is provided with an L-shaped block 7 which is matched with the U-shaped clamping plate 5 for use.
The main invention point of the scheme is that when the load switch is opened and maintained, the residual electric quantity in the switch can cause discharge phenomenon and cause flash explosion, and the operating mechanism is arranged, so that when the linkage switch is maintained, the U-shaped clamping plate can be contacted with the L-shaped block by operating the control button of the operating mechanism, thereby ensuring that the residual electric quantity in the discharge mechanism is stably grounded and discharged, and thus avoiding the flash explosion problem during maintenance.
In an embodiment of the present invention, the base includes: the transverse plate 9 is a group of vertical plates 8 symmetrically arranged at the left end and the right end of the transverse plate 9;
the transverse plate 9 is connected with the inner wall of the bottom of the ring main unit 1 through screws, and the rotating shaft 4 is rotatably connected between the two vertical plates 8.
Wherein, base overall structure is similar to U template structure, so, is favorable to the stable connection of base and looped netowrk cabinet, simultaneously, also makes things convenient for the installation of pivot, and leaves operating space for the action of pivot, has avoided the pivot when the action, and U type splint are by the problem of base bottom card.
In an embodiment of the present invention, the lower end of the driving rod 6 is rotatably connected to a first connecting plate, the end of the first connecting plate is rotatably connected to a second connecting plate, the end of the second connecting plate is rotatably connected to a third connecting plate, and the end of the third connecting plate is fixedly connected to the rotating shaft 4;
wherein, a vertical plate 8 at the same side of the first connecting plate is provided with a vertical groove and a chute; the connection position of the driving rod 6 and the first connecting plate is connected with the vertical groove through a bolt, and the connection position of the first connecting plate and the second connecting plate is connected with the inclined groove through a bolt.
The utility model discloses an in the embodiment, be equipped with the bolt between the U type splint 5, and be equipped with the spring on the outside bolt in U type splint 5 both sides.
It should be noted that, when the U-shaped clamp plate frequently contacts with the L-shaped block, the opening at the tail end of the U-shaped clamp plate becomes large, so that the U-shaped clamp plate does not stably contact with the L-shaped block to discharge, and the spring can apply an acting force to the tail end of the U-shaped clamp plate, thereby avoiding the above problems.
In an embodiment of the present invention, the cross-sectional profile of the rotating shaft 4 is square.
It should be noted that, in order to facilitate the stable connection of the rotating shaft and the U-shaped clamping plate, the phenomenon that the U-shaped clamping plate slips on the rotating shaft is avoided, the rotating shaft is set to be a square mechanism, and then the U-shaped clamping plate is connected with the rotating shaft through a screw, so that the stable connectivity between the two is ensured.
The utility model discloses an in the embodiment, the drive shaft in 6 upper ends of actuating lever and the looped netowrk cabinet 1 is articulated, and the drive shaft adopts insulating outward appearance to be equipped with the insulating layer.
It should be noted that, in order to perform stable ground discharge of the residual capacity in the discharge mechanism and prevent the residual capacity from moving along the drive lever, an insulating layer is provided on the surface of the drive shaft of the connector at the upper end of the drive lever.
In an embodiment of the present invention, the upper end of the driving rod 6 is a bending structure.
The utility model discloses an in the embodiment, discharge mechanism 3 sets up to a plurality ofly, and the U type splint 5 quantity that corresponds is the same with discharge mechanism 3 quantity, and U type splint 5's mounted position is just right with discharge mechanism 3.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. The utility model provides an overhaul discharge mechanism of looped netowrk cabinet load switch which characterized in that includes: the ring main unit, and the ganged switch and the operating member which are arranged in the ring main unit;
the gang switch includes: the copper tube, the linkage mechanism arranged at the upper end of the copper tube and the discharge mechanism arranged at the lower end of the copper tube;
the operating member includes: the device comprises a base arranged at the bottom of the ring main unit and a connecting rod mechanism arranged on the base;
the link mechanism includes: the device comprises a rotating shaft, a U-shaped clamping plate and a driving rod, wherein the rotating shaft is rotatably connected to a base; the upper end of the driving rod is connected with a driving shaft in the ring main unit; and the discharging mechanism is provided with an L-shaped block matched with the U-shaped clamping plate for use.
2. The maintenance discharge mechanism of ring main unit load switch of claim 1, characterized in that, the base comprises: the transverse plate is a group of vertical plates symmetrically arranged at the left end and the right end of the transverse plate;
the diaphragm passes through screw and looped netowrk cabinet bottom inner wall connection, the pivot rotates to be connected between two risers.
3. The maintenance discharge mechanism of the ring main unit load switch according to claim 2, wherein a first connecting plate is rotatably connected to a lower end of the driving rod, a second connecting plate is rotatably connected to a tail end of the first connecting plate, a third connecting plate is rotatably connected to a tail end of the second connecting plate, and a tail end of the third connecting plate is fixedly connected to the rotating shaft;
wherein, a vertical plate at the same side of the first connecting plate is provided with a vertical groove and a chute; the driving rod is connected with the vertical groove through a bolt at the joint of the first connecting plate, and the first connecting plate is connected with the second connecting plate through a bolt at the joint of the first connecting plate and the second connecting plate.
4. The maintenance discharge mechanism of the ring main unit load switch as claimed in claim 3, wherein a bolt is disposed between the U-shaped clamp plates, and a spring is disposed on the bolt outside two sides of the U-shaped clamp plate.
5. The maintenance discharge mechanism of the ring main unit load switch according to claim 4, wherein the cross-sectional profile of the rotating shaft is square.
6. The maintenance discharge mechanism of the ring main unit load switch according to claim 5, wherein the upper end of the driving rod is hinged to a driving shaft in the ring main unit, and the driving shaft is provided with an insulating layer on the outer surface.
7. The maintenance discharge mechanism of the ring main unit load switch according to claim 6, wherein the upper end of the driving rod is bent.
8. The maintenance discharge mechanism of the ring main unit load switch according to claim 7, wherein the discharge mechanism is provided in plural, the number of the corresponding U-shaped clamping plates is the same as that of the discharge mechanism, and the installation position of the U-shaped clamping plate is opposite to that of the discharge mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120377787.9U CN214255390U (en) | 2021-02-18 | 2021-02-18 | Looped netowrk cabinet load switch's maintenance discharge mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120377787.9U CN214255390U (en) | 2021-02-18 | 2021-02-18 | Looped netowrk cabinet load switch's maintenance discharge mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214255390U true CN214255390U (en) | 2021-09-21 |
Family
ID=77728248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120377787.9U Active CN214255390U (en) | 2021-02-18 | 2021-02-18 | Looped netowrk cabinet load switch's maintenance discharge mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214255390U (en) |
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2021
- 2021-02-18 CN CN202120377787.9U patent/CN214255390U/en active Active
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