CN210487843U - Device for replacing metering load box without power failure - Google Patents
Device for replacing metering load box without power failure Download PDFInfo
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- CN210487843U CN210487843U CN201921392424.1U CN201921392424U CN210487843U CN 210487843 U CN210487843 U CN 210487843U CN 201921392424 U CN201921392424 U CN 201921392424U CN 210487843 U CN210487843 U CN 210487843U
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- box body
- connecting rod
- upper box
- pin shaft
- positioning guide
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Abstract
The utility model discloses a device for replacing a metering load box without power failure, which comprises an upper box body, a lower box body and a plurality of vertical positioning guide rails, wherein the upper box body is in sliding fit with each positioning guide rail, the bottom of the upper box body is provided with a large-current contact pin, the top of the lower box body is provided with a large-current socket, and the large-current contact pin is spliced with the large-current socket; a power mechanism for pushing the upper box body to lift is arranged on the lower box body; a bypass switch is arranged in the lower box body. The upper box body is used as a metering load box, and when the upper box body is replaced, the bypass switch is closed at first, and the load switch and the isolating switch in the metering load box are disconnected in sequence. The power mechanism pushes the upper box body to move upwards, so that the large-current contact pin is separated from the large-current socket, the upper box body can be taken away, and a new upper box body is installed. In the replacement process, the bypass switch is closed, and the main power line and the user side power supply cable are communicated by the bypass switch, so that power failure is avoided, a user can normally use power, normal production is guaranteed, replacement time of the metering load box is shortened, and smooth replacement of the metering load box is guaranteed.
Description
Technical Field
The utility model belongs to the power equipment field, especially, device of measurement load box is changed to uninterrupted power.
Background
The metering load box is a carrier of a metering device used by an electric power company for metering the electric quantity of a user, and generally comprises a disconnecting switch, a current transformer, an intelligent electric energy meter, a junction box, a load switch and the like. The transformation and replacement of the metering load box need power failure operation, communication with a user needs to be carried out in advance before the power failure operation, the power failure time is determined, the user is informed of preparing for power failure in advance, and particularly, the operation plan is delayed because the power failure cannot be carried out when the user is in a production peak period. Because the work of having a power failure need to change the batch meter, the user can't carry out normal production during the operation, causes very big inconvenience for user's production life, has both influenced user's normal production power consumption, has also influenced the normal electric power sale of electric power enterprise.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device of measurement load box is changed to uninterrupted power to solve above-mentioned problem.
The purpose of the utility model is realized like this: a device for replacing a metering load box without power interruption comprises an upper box body, a lower box body and a plurality of vertical positioning guide rails, wherein the upper box body is in sliding fit with each positioning guide rail; a power mechanism for pushing the upper box body to lift is arranged on the lower box body; a bypass switch is arranged in the lower box body.
Furthermore, the number of the positioning guide rails is three, two of the positioning guide rails are located at the upper part of the upper box body, and the other positioning guide rail is located at the lower part of the upper box body.
Furthermore, a telescopic protective sleeve is sleeved outside the large-current contact pin.
Further, the power mechanism comprises a push plate, a connecting plate, a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a first pin shaft, a second pin shaft and a lead screw, the connecting plate is vertically arranged, the upper end of the connecting plate is fixedly connected with the horizontal push plate, the upper ends of the first connecting rod and the second connecting rod are hinged to the lower end of the connecting plate, the lower ends of the first connecting rod and the second connecting rod are hinged to the first pin shaft and the second pin shaft respectively, the upper ends of the third connecting rod and the fourth connecting rod are hinged to the first pin shaft and the second pin shaft respectively, the lower ends of the third connecting rod and the fourth connecting rod are hinged to the lower box body, the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are distributed in a diamond shape, the lead screw is horizontally arranged and matched with the first pin shaft through a forward-rotation thread, and is matched with the.
Furthermore, an insulating sleeve is arranged at the end part of the screw rod and connected with an operating handle.
The utility model has the advantages that: the upper box body is used as a metering load box, and when the upper box body is replaced, the bypass switch is closed at first, and the load switch and the isolating switch in the metering load box are disconnected in sequence. The power mechanism pushes the upper box body to move upwards, so that the large-current contact pin is separated from the large-current socket, the upper box body can be taken away, and a new upper box body is installed. In the replacement process, the bypass switch is closed, and the main power line and the user side power supply cable are communicated by the bypass switch, so that power failure is avoided, a user can normally use power, normal production is guaranteed, replacement time of the metering load box is shortened, and smooth replacement of the metering load box is guaranteed.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1, the device for replacing a metering load box without power interruption of the present invention comprises an upper box body 1, a lower box body 2 and a plurality of vertical positioning guide rails 3, wherein the upper box body 1 is in sliding fit with each positioning guide rail 3, a large current pin 4 is arranged at the bottom of the upper box body 1, a large current socket 5 is arranged at the top of the lower box body 2, and the large current pin 4 is inserted into the large current socket 5; a power mechanism for pushing the upper box body 1 to lift is arranged on the lower box body 2; and a bypass switch 6 is arranged in the lower box body 2.
The upper box body 1 serves as a metering load box, and components such as an isolating switch, a current transformer, an intelligent electric energy meter, a junction box and a load switch are mounted inside the upper box body. The positioning guide rail 3 is made of metal and is provided with a mounting hole, the positioning guide rail 3 is fixedly mounted on the wall through the mounting hole, the upper box body 1 is fixedly mounted on the wall when being normally used, the positioning guide rail 3 is matched with the upper box body 1, the connecting piece between the upper box body 1 and the wall is detached during replacement, and the upper box body 1 can slide along the positioning guide rail 3. The positioning guide rail 3 mainly plays a role in guiding, ensures that the upper box body 1 moves in the vertical direction, and simultaneously plays a role in supporting the upper box body 1 and reducing the friction force when the upper box body 1 moves. Heavy current socket 5 and bypass switch 6 all link to each other with the main power line, and heavy current socket 5 and bypass switch 6 are parallel connection, and heavy current socket 5 links to each other with the power component in last box 1 through heavy current contact pin 4, and the power component in last box 1 links to each other with user side power supply cable again, and at ordinary times, the main power line just can be through heavy current socket 5, heavy current contact pin 4 and go up the power component in box 1 and user side power supply cable intercommunication, ensures the smooth power supply. Bypass switch 6 also communicates with user side power supply cable, and at ordinary times, bypass switch 6 keeps the disconnection, when changing box 1, goes up box 1 rebound, and current contact pin 4 breaks away from with heavy current socket 5, and the disconnection is closed bypass switch 6 in advance, utilizes bypass switch 6 intercommunication main power line and user side power supply cable, can guarantee to carry out normal power supply to the user, and heavy current socket 5 and the disconnection of heavy current contact pin 4 also do not influence the power supply.
The inside of the large-current socket 5 is made of pure copper, and the outside of the large-current socket is packaged by adopting an insulating material to the pure copper. The large-current contact pins 4 are two groups, each group of three contact pins is provided with two large-current sockets 5, each large-current socket is provided with three jacks, and the three contact pins of the large-current contact pins 4 are inserted into the three jacks of the large-current sockets 5 to conduct circuits. Heavy current contact pin 4 can expose in the air after breaking away from heavy current socket 5, for protection heavy current socket 5, 4 overcoat of heavy current contact pin has telescopic protective sheath 7, and telescopic protective sheath 7 can adopt the insulating material that elasticity is good, like rubber, and when heavy current contact pin 4 inserted heavy current socket 5, telescopic protective sheath 7 was compressed, does not influence heavy current contact pin 4 and heavy current socket 5's cooperation, when heavy current contact pin 4 extracted from heavy current socket 5, telescopic protective sheath 7 automatic extension and parcel live heavy current contact pin 4.
The power mechanism is used for pushing the upper box body 1 to move up and down so as to conveniently take down the upper box body 1 and mount the upper box body 1 in a labor-saving manner.
The positioning guide rails 3 can be two or four lamps, preferably, the positioning guide rails 3 are three, wherein two positioning guide rails 3 are positioned on the upper portion of the upper box body 1, the other positioning guide rail 3 is positioned on the lower portion of the upper box body 1, a good guiding effect can be achieved, the upper box body 1 is ensured to vertically move, and when a new upper box body 1 is installed, a large-current pin 4 on the new upper box body 1 is accurately inserted into a large-current socket 5.
The power mechanism can adopt various existing lifting mechanisms, such as a screw rod and nut mechanism, the nut can be dragged to lift by rotating the screw rod, and the nut pushes the upper box body 1 to move up and down through the transmission piece. Preferably, the power mechanism comprises a push plate 8, a connecting plate 9, a first connecting rod 10, a second connecting rod 11, a third connecting rod 12, a fourth connecting rod 13, a first pin shaft 14, a second pin shaft 15 and a lead screw 16, the connecting plate 9 is vertically arranged, the upper end of the connecting plate 9 is fixedly connected with the horizontal push plate 8, the upper ends of the first connecting rod 10 and the second connecting rod 11 are hinged with the lower end of the connecting plate 9, the lower ends of the first connecting rod 10 and the second connecting rod 11 are respectively hinged with the first pin shaft 14 and the second pin shaft 15, the upper ends of the third connecting rod 12 and the fourth connecting rod 13 are respectively hinged with the first pin shaft 14 and the second pin shaft 15, the lower ends of the third connecting rod 12 and the fourth connecting rod 13 are hinged with the lower box 2, the first connecting rod 10, the second connecting rod 11, the third connecting rod 12 and the fourth connecting rod 13 are distributed in a diamond shape, the lead screw 16 is horizontally arranged and matched with the first pin shaft 14 through a forward, and engages the second pin 15 by means of a reverse thread. Because the lead screw 16 is matched with the first pin shaft 14 through the positive thread, and is matched with the second pin shaft 15 through the reverse thread, when the lead screw 16 is rotated, the first pin shaft 14 and the second pin shaft 15 can move oppositely or move reversely, so that the distance between the first pin shaft 14 and the second pin shaft 15 is reduced or increased, thereby driving the first connecting rod 10, the second connecting rod 11, the third connecting rod 12 and the fourth connecting rod 13 to rotate, further pushing the connecting plate 9 to move upwards or downwards, the connecting plate 9 drives the push plate 8 to move upwards and downwards, the push plate 8 can push the upper box body 1 to move upwards, or the upper box body 1 is placed downwards.
In order to facilitate labor-saving rotation of the screw rod 16 and ensure operation safety, an insulating sleeve 17 is arranged at the end part of the screw rod 16, the insulating sleeve 17 is connected with an operating handle 18, the operating handle 18 is perpendicular to the screw rod 16, and the operating handle 18 is also made of insulating materials.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a device of measurement load box is changed to uninterrupted power supply which characterized in that: the device comprises an upper box body (1), a lower box body (2) and a plurality of vertical positioning guide rails (3), wherein the upper box body (1) is in sliding fit with each positioning guide rail (3), a large-current contact pin (4) is arranged at the bottom of the upper box body (1), a large-current socket (5) is arranged at the top of the lower box body (2), and the large-current contact pin (4) is inserted into the large-current socket (5); a power mechanism for pushing the upper box body (1) to lift is arranged on the lower box body (2); and a bypass switch (6) is arranged in the lower box body (2).
2. The device for replacing the metering load box in a non-outage way according to claim 1, wherein: the number of the positioning guide rails (3) is three, two of the positioning guide rails (3) are positioned at the upper part of the upper box body (1), and the other positioning guide rail (3) is positioned at the lower part of the upper box body (1).
3. The device for replacing the metering load box in a non-outage way according to claim 1, wherein: and a telescopic protective sleeve (7) is sleeved outside the large-current contact pin (4).
4. The device for replacing the metering load box in a non-outage way according to claim 1, wherein: the power mechanism comprises a push plate (8), a connecting plate (9), a first connecting rod (10), a second connecting rod (11), a third connecting rod (12), a fourth connecting rod (13), a first pin shaft (14), a second pin shaft (15) and a lead screw (16), wherein the connecting plate (9) is vertically arranged, the upper end of the connecting plate (9) is fixedly connected with the horizontal push plate (8), the upper ends of the first connecting rod (10) and the second connecting rod (11) are hinged to the lower end of the connecting plate (9), the lower ends of the first connecting rod (10) and the second connecting rod (11) are hinged to the first pin shaft (14) and the second pin shaft (15), the upper ends of the third connecting rod (12) and the fourth connecting rod (13) are hinged to the first pin shaft (14) and the second pin shaft (15), the lower ends of the third connecting rod (12) and the fourth connecting rod (13) are hinged to a lower box body (2), and the first connecting rod (10), The second connecting rod (11), the third connecting rod (12) and the fourth connecting rod (13) are distributed in a diamond shape, and the screw rod (16) is horizontally arranged and matched with the first pin shaft (14) through a positive thread and matched with the second pin shaft (15) through a reverse thread.
5. The device for replacing the metering load box in the uninterrupted power supply manner according to claim 4, wherein: an insulating sleeve (17) is arranged at the end part of the screw rod (16), and the insulating sleeve (17) is connected with an operating handle (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921392424.1U CN210487843U (en) | 2019-08-26 | 2019-08-26 | Device for replacing metering load box without power failure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921392424.1U CN210487843U (en) | 2019-08-26 | 2019-08-26 | Device for replacing metering load box without power failure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210487843U true CN210487843U (en) | 2020-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921392424.1U Active CN210487843U (en) | 2019-08-26 | 2019-08-26 | Device for replacing metering load box without power failure |
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| CN (1) | CN210487843U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113567712A (en) * | 2021-07-06 | 2021-10-29 | 山东诺蓝信息科技有限公司 | Environment-friendly electricity utilization monitoring module |
-
2019
- 2019-08-26 CN CN201921392424.1U patent/CN210487843U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113567712A (en) * | 2021-07-06 | 2021-10-29 | 山东诺蓝信息科技有限公司 | Environment-friendly electricity utilization monitoring module |
| CN113567712B (en) * | 2021-07-06 | 2024-01-30 | 山东诺蓝信息科技有限公司 | Environment-friendly electricity consumption monitoring module |
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