CN210039988U - High-voltage capacitor cabinet with linkage transmission device - Google Patents

High-voltage capacitor cabinet with linkage transmission device Download PDF

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Publication number
CN210039988U
CN210039988U CN201822146937.6U CN201822146937U CN210039988U CN 210039988 U CN210039988 U CN 210039988U CN 201822146937 U CN201822146937 U CN 201822146937U CN 210039988 U CN210039988 U CN 210039988U
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CN
China
Prior art keywords
rotating shaft
mounting plate
operating shaft
support
voltage capacitor
Prior art date
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Active
Application number
CN201822146937.6U
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Chinese (zh)
Inventor
鲁孝明
冉虎祥
韩广辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Etrus (Tianjin) Electric Technology Co.,Ltd.
Original Assignee
Tianjin Zhongtai Zhida Electric Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Tianjin Zhongtai Zhida Electric Technology Co Ltd filed Critical Tianjin Zhongtai Zhida Electric Technology Co Ltd
Priority to CN201822146937.6U priority Critical patent/CN210039988U/en
Application granted granted Critical
Publication of CN210039988U publication Critical patent/CN210039988U/en
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Abstract

The utility model discloses a high-voltage capacitor box with a linkage transmission device, which comprises a main support and an operating shaft, wherein one end of the operating shaft is exposed out of a rotating shaft through hole of a mechanism mounting plate, and the other end of the operating shaft is movably connected with a first rotating shaft through a first connecting rod; the first rotating shaft and the second rotating shaft penetrate through the two side frames of the main bracket and are movably connected through a second connecting rod; a plurality of knife switches matched with the contact pieces are arranged on the second rotating shaft; and the outer diameter of one end of the operating shaft close to the mechanism mounting plate is reduced and is retracted inwards to form a prism shape. An operator rotates the operating shaft from the outside of the cabinet body through the inner hexagon wrench to open or close the knife switch. The utility model discloses simple structure, convenient to use, the potential safety hazard that has significantly reduced has wide application prospect.

Description

High-voltage capacitor cabinet with linkage transmission device
Technical Field
The invention relates to the technical field of high-voltage capacitor cabinet control, in particular to a linkage mechanism for controlling a knife switch in a high-voltage capacitor cabinet.
Background
The five-prevention switch of the high-voltage switch cabinet or the five-prevention one-way switch of the transformer substation comprises 1 isolating switch for preventing the switch from being switched on and off under load; 2. the circuit breaker, the load switch and the contactor are prevented from being switched off and on by mistake; 3. the circuit breaker and the load switch are prevented from being closed when the grounding switch is in a closed position; 4. prevent the earthing switch from being switched on by mistake when electrified; 5. prevent the wrong entering into the electrified interval. For the locking structure, the mechanical locking mode is the most reliable and safest, but the knife switch is opened or closed mechanically outside the cabinet, and a transmission mechanism is needed for realizing the mechanical locking mode. The reliability and the cost performance of a plurality of transmission mechanisms in the current market are not high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is exactly for solving prior art's not enough, provide a high-voltage capacitor cabinet with linkage transmission device.
The utility model discloses a realize according to following technical scheme.
A high-voltage capacitor cabinet with a linkage transmission device is characterized in that a mechanism mounting plate is arranged on a front panel of the high-voltage capacitor cabinet, a main support is arranged in the cabinet body, an insulator is arranged on the main support, and a contact piece is arranged at the top end of the insulator; a rotating shaft through hole is formed on the main plane of the mechanism mounting plate; the slide rail is fixed on the inner surface of the mechanism mounting plate, the upper edge and the lower edge of the slide rail are bent towards the same surface to form a [ -shaped structure, and the main plane and the upper edge and the lower edge of the slide rail are vertical to each other; a support is arranged inside the sliding rail, two sliding blocks and a bent plate are arranged between the sliding rail and the support, and the bent plate slides along the sliding rail and is connected with the sliding rail through a spring; the bent plate is of a semi-surrounding structure; a through round hole is formed in the center of the support, and the insulating sleeve and the indicating disc are respectively installed in the round hole from two sides; a hexagonal through hole is formed in the centers of the insulating sleeve and the indicating disc, the operating shaft penetrates through the hexagonal through hole and further penetrates through the bent plate and the sliding rail, and the tail end of the operating shaft penetrates out of the through hole in the surface of the mechanism mounting plate 10; the operating shaft is nested with a limiting piece; the first screw is inserted into the locking mechanism from the outer side of the mechanism mounting plate, sequentially penetrates through the sliding rail, the sliding block and the support and fixes the sliding rail, the sliding block and the support together with the mechanism mounting plate; the edge of the limiting sheet is provided with a gap part, one side of the support close to the insulating sleeve is provided with a limiting column, and the limiting column is clamped in the gap part of the limiting sheet; an operating shaft is arranged in the linkage mechanism, one end of the operating shaft is exposed out of a rotating shaft through hole of the mechanism mounting plate, and the other end of the operating shaft is movably connected with the first rotating shaft through a first connecting rod; the first rotating shaft and the second rotating shaft penetrate through the two side frames of the main bracket and are movably connected through a second connecting rod; a plurality of knife switches matched with the contact pieces are arranged on the second rotating shaft; and the outer diameter of one end of the operating shaft close to the mechanism mounting plate is reduced and is retracted inwards to form a prism shape.
Furthermore, the first rotating shaft, the second rotating shaft and the operating shafts are all parallel to each other.
Furthermore, the devices for realizing the mutual movable connection among the operating shaft, the two connecting rods and the two rotating shafts are all hinges.
Furthermore, the maximum rotation angle of the limiting sheet is 75 degrees under the interference action of the limiting column.
Furthermore, the contact pieces include four groups, wherein three groups are high-voltage contact pieces, and one group is a grounding contact piece.
The utility model discloses following beneficial effect has been obtained.
The utility model discloses a from the outside rotation operation axle of electric capacity cabinet, it is rotatory to drive the inside connecting rod of cabinet and pivot mechanism, and then drives the plug-in strip and open or closed mode, has realized the switch-on or the disconnection of electric capacity cabinet internal power. The transmission realized by a mechanical structure has high reliability, simple realization mode and safety. The problem of electric shock by mistake that leads to because of the operation is not standard easily appears in the effectual installation maintenance process of having solved current high-voltage capacitor cabinet. The utility model discloses simple structure, convenient to use, the potential safety hazard that has significantly reduced has wide application prospect.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the installation of the mechanism installation plate and its peripheral parts.
Wherein, 1, operating the shaft; 2. a limiting sheet; 3. an insulating sleeve; 4. a support; 5. an indicator panel; 6. a slider; 7. bending a plate; 8. a spring; 9. a slide rail; 10. a mechanism mounting plate; 23. a first rotating shaft; 24. a first link; 25. a second link; 26. a second rotating shaft; 27. a knife switch; 28. a contact piece.
Detailed Description
The present invention will be further explained with reference to the drawings and the embodiments.
As shown in fig. 1-2, a high-voltage capacitor cabinet with a linkage transmission device, a mechanism mounting plate 10 is arranged on a front panel of the high-voltage capacitor cabinet, a main bracket 29 is arranged in the cabinet body, an insulator is arranged on the main bracket 29, and a contact piece 28 is arranged at the top end of the insulator; a rotating shaft through hole is formed on the main plane of the mechanism mounting plate 10; the slide rail 9 is fixed on the inner surface of the mechanism mounting plate 10, the upper edge and the lower edge of the slide rail 9 are bent towards the same surface to form a [ -shaped structure, and the main plane and the upper edge and the lower edge of the slide rail 9 are vertical to each other; a support 4 is arranged inside the slide rail 9, two slide blocks 6 and a bent plate 7 are also arranged between the slide rail 9 and the support 4, and the bent plate 7 slides along the slide rail 9 and is connected with the slide rail 9 through a spring 8; the bent plate 7 is of a semi-surrounding structure; a through round hole is formed in the center of the support 4, and the insulating sleeve 3 and the indicating disc 5 are respectively installed in the round hole from two sides; a hexagonal through hole is formed in the centers of the insulating sleeve 3 and the indicating disc 5, the operating shaft 1 penetrates through the hexagonal through hole and further penetrates through the bent plate 7 and the sliding rail 9, and the tail end of the operating shaft penetrates out of a through hole in the surface of the mechanism mounting plate 10; the operating shaft 1 is nested with a limiting piece 2; a first screw 16 is inserted into the locking mechanism from the outer side of the mechanism mounting plate 10, sequentially penetrates through the sliding rail 9, the sliding block 6 and the support 4, and fixes the sliding rail, the sliding block and the support with the mechanism mounting plate 10; a notch part is formed at the edge of the limiting sheet 2, a limiting column is formed on one side of the support 4 close to the insulating sleeve 3, and the limiting column is clamped at the notch part of the limiting sheet 2; an operating shaft 1 is arranged in the linkage mechanism, one end of the operating shaft 1 is exposed out of a rotating shaft through hole of the mechanism mounting plate 10, and the other end of the operating shaft 1 is movably connected with a first rotating shaft 23 through a first connecting rod 24; the first rotating shaft 23 and the second rotating shaft 26 pass through two side frames of the main bracket 29 and are movably connected through a second connecting rod 25; a plurality of knife switches 27 matched with the contact blades 28 are arranged on the second rotating shaft 26; the outer diameter of one end of the operating shaft 1 close to the mechanism mounting plate 10 is reduced and the operating shaft is retracted inwards to form a prism shape.
The first rotating shaft 23, the second rotating shaft 26 and the operating shaft 1 are all parallel to each other.
The devices for realizing the mutual movable connection among the operating shaft 1, the two connecting rods and the two rotating shafts are hinges.
The maximum rotation angle of the limiting sheet 2 is 75 degrees under the interference action of the limiting column.
The contacts 28 include four sets, three of which are high voltage contacts and one of which is ground contacts.
The utility model discloses a use method and principle do:
the operation shaft 1 can be rotated by using an inner hexagonal wrench matched with the shape and the size of the end part of the operation shaft 1 from the outside of the cabinet body. The operating shaft 1 is connected with the switch blades in the cabinet body through two rotating shafts and two connecting rods, and the switch blades can be driven to be opened or closed by rotating the operating shaft 1, so that the on-off switching is realized.
Indicia are visible from the front of the mechanism mounting plate 10 indicating the two operating directions for opening and closing the blades. The operating shaft 1 rotates, and the limiting plate 2, the insulating sleeve 3 and the indicating disc 5 which are nested on the operating shaft also rotate along with the operating shaft; because the breach angle on the limiting plate 2 is limited, has the spacing post on the support 4 moreover, and the spacing post card is in the position of breach, prevents limiting plate 2's further rotation, consequently limiting plate 2 can only rotate in limited angle, sets for 75 degrees in this mechanism, and minimum and maximum rotation range correspond two kinds of positions of "opening the plug-in strip" and "closed plug-in strip" respectively. The presence of the slider 6 provides a gap between the slide 9 and the support 5, facilitating the sliding of the bent plate 7 and the rotation of the indicator disk 5. The bent plate 7 slides from left to right, and the maximum displacement point corresponds the position of unlocking and lock location of cabinet door respectively, and when being located and opening the position, the cabinet door just can normally be opened, and when being located the closed position, the cabinet door is pinned, can't open.
This electric capacity cabinet connects higher level's cubical switchboard to acquire the electric energy from this cubical switchboard. When the upper-stage switch cabinet is not powered off, current continuously passes through the latching electromagnet, the armature is ejected out, and the bent plate 7 is limited, so that the bent plate cannot leave the latching position although being subjected to traction force of the spring 8, and only when the upper-stage switch cabinet is powered off, the latching electromagnet is powered off, and the armature retracts, so that the bent plate 7 cannot be limited; the bent plate 7 moves horizontally to the unlocking position under the traction action of the spring 8, so that an operator can open the cabinet door to operate.

Claims (5)

1. A high-voltage capacitor cabinet with a linkage transmission device is characterized in that a mechanism mounting plate (10) is arranged on a front panel of the high-voltage capacitor cabinet, a main support (29) is arranged in the cabinet body, an insulator is arranged on the main support (29), and a contact piece (28) is arranged at the top end of the insulator; the mechanism is characterized in that a main plane of the mechanism mounting plate (10) is provided with a rotating shaft through hole; the slide rail (9) is fixed on the inner surface of the mechanism mounting plate (10), the upper edge and the lower edge of the slide rail (9) are bent towards the same surface to form a [ -shaped structure, and the main plane and the upper edge and the lower edge of the slide rail (9) are vertical to each other; a support (4) is installed inside the sliding rail (9), two sliding blocks (6) and a bent plate (7) are further arranged between the sliding rail (9) and the support (4), and the bent plate (7) slides along the sliding rail (9) and is connected with the sliding rail (9) through a spring (8); the bent plate (7) is of a semi-surrounding structure; a through round hole is formed in the center of the support (4), and the insulating sleeve (3) and the indicating disc (5) are respectively installed in the round hole from two sides; the center of the insulating sleeve (3) and the center of the indicating disc (5) form a hexagonal through hole, the operating shaft (1) passes through the hexagonal through hole and further passes through the bent plate (7) and the sliding rail (9), and the tail end of the operating shaft penetrates out of the through hole on the surface of the mechanism mounting plate (10); the operating shaft (1) is nested with a limiting piece (2); a first screw (16) is inserted into the locking mechanism from the outer side of the mechanism mounting plate (10), sequentially penetrates through the sliding rail (9), the sliding block (6) and the support (4), and fixes the sliding rail, the sliding block and the support with the mechanism mounting plate (10); a gap part is formed at the edge of the limiting sheet (2), a limiting column is formed on one side, close to the insulating sleeve (3), of the support (4), and the limiting column is clamped at the gap part of the limiting sheet (2); an operating shaft (1) is arranged in the linkage mechanism, one end of the operating shaft (1) is exposed out of a rotating shaft through hole of the mechanism mounting plate (10), and the other end of the operating shaft (1) is movably connected with a first rotating shaft (23) through a first connecting rod (24); the first rotating shaft (23) and the second rotating shaft (26) penetrate through two side frames of the main bracket (29) and are movably connected through a second connecting rod (25); a plurality of knife switches (27) matched with the contact blades (28) are arranged on the second rotating shaft (26); the outer diameter of one end of the operating shaft (1) close to the mechanism mounting plate (10) is reduced and is retracted inwards to form a prism shape.
2. The high-voltage capacitor cabinet with the linkage transmission device is characterized in that the first rotating shaft (23), the second rotating shaft (26) and the operating shafts (1) are parallel to each other.
3. The high-voltage capacitor cabinet with the linkage transmission device as claimed in claim 1, wherein the devices for realizing the mutual movable connection among the operating shaft (1), the two connecting rods and the two rotating shafts are hinges.
4. The high-voltage capacitor cabinet with the linkage transmission device as claimed in claim 1, wherein the maximum rotation angle of the limiting sheet (2) is 75 degrees under the interference action of the limiting column.
5. The high voltage capacitor cabinet with the linked transmission device as claimed in claim 1, wherein the contacts (28) comprise four sets, three sets being high voltage contacts and one set being ground contacts.
CN201822146937.6U 2018-12-20 2018-12-20 High-voltage capacitor cabinet with linkage transmission device Active CN210039988U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822146937.6U CN210039988U (en) 2018-12-20 2018-12-20 High-voltage capacitor cabinet with linkage transmission device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822146937.6U CN210039988U (en) 2018-12-20 2018-12-20 High-voltage capacitor cabinet with linkage transmission device

Publications (1)

Publication Number Publication Date
CN210039988U true CN210039988U (en) 2020-02-07

Family

ID=69343067

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822146937.6U Active CN210039988U (en) 2018-12-20 2018-12-20 High-voltage capacitor cabinet with linkage transmission device

Country Status (1)

Country Link
CN (1) CN210039988U (en)

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GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 301735 Tianjin city Wuqing District Town Village Si Dadong Road No. 82 No. 2.

Patentee after: Etrus (Tianjin) Electric Technology Co.,Ltd.

Address before: 301735 Tianjin city Wuqing District Town Village Si Dadong Road No. 82 No. 2.

Patentee before: TIANJIN ZHONGTAI ZHIDA ELECTRICAL TECHNOLOGY Co.,Ltd.

CP01 Change in the name or title of a patent holder