CN209881137U - Multistage series adjustable connecting device based on high-voltage cabinet - Google Patents
Multistage series adjustable connecting device based on high-voltage cabinet Download PDFInfo
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- CN209881137U CN209881137U CN201920913888.6U CN201920913888U CN209881137U CN 209881137 U CN209881137 U CN 209881137U CN 201920913888 U CN201920913888 U CN 201920913888U CN 209881137 U CN209881137 U CN 209881137U
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Abstract
The utility model belongs to the technical field of the high-voltage board accessory, especially, be an adjustable connecting device based on multistage series connection of high-voltage board, which comprises a fixed base, rectangular cavity has been seted up in the fixing base, four spacing slide bars that are the rectangle and distribute of fixedly connected with on rectangular cavity's the bottom inner wall, four spacing slide bars's top all with rectangular cavity's top inner wall fixed connection, slidable mounting has same lifter plate on four spacing slide bars, a plurality of connecting plates of top fixedly connected with of lifter plate, a plurality of tops of top fixedly connected with of fixing base are the open-ended protection casing, two wiring boards of top fixedly connected with of connecting plate, the top of a plurality of wiring boards all extends to the top of fixing base. The utility model discloses the practicality is high, can not only satisfy arc extinction cabinet single-phase vacuum contactor series interlocking wiring transition usefulness to the later stage test personnel of being convenient for also use comparatively safety to the maintenance work of wiring.
Description
Technical Field
The utility model relates to a high-voltage board accessory technical field especially relates to an adjustable connecting device based on multistage series connection of high-voltage board.
Background
The single-phase vacuum contactor is one of the common components in a high-voltage arc suppression cabinet, and in a neutral point ungrounded system, when an arc suppression controller detects that the single-phase intermittent arc grounding occurs in the system, the single-phase vacuum contactor is controlled to act, and the intermittent arc grounding can be converted into metallic grounding, so that the inspection and maintenance time can be effectively prolonged, and the life and property safety can be protected.
Three single-phase vacuum contactors are usually installed in an arc suppression cabinet, but only one single-phase vacuum contactor is allowed to act when the arc suppression cabinet is used, in order to further avoid a system short circuit caused by simultaneous action of two or three single-phase vacuum contactors, interlocking is needed among the three single-phase vacuum contactors, specifically, two other normally closed points in vacuum true contact are connected in series between power supply contacts of any one single-phase vacuum contactor, at present, the interlocking connection among the three single-phase vacuum contactors in a high-voltage arc suppression cabinet is mostly transited through an instrument chamber terminal, but in the design of the arc suppression cabinet, the single-phase vacuum contactor is generally positioned behind a cable chamber and far away from the instrument chamber, the cable used in the transition of the instrument chamber terminal is long, and the inspection work of the interlocking connection among the three single-phase vacuum contactors is very troublesome under the condition that a wiring error or a number tube is mistakenly penetrated by a wiring person, therefore, the multistage series adjustable connecting device based on the high-voltage cabinet is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art, and providing an adjustable connecting device based on multistage series connection of a high-voltage board.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a multi-stage series adjustable connecting device based on a high-voltage cabinet comprises a fixed seat, wherein a rectangular cavity is formed in the fixed seat, four limit slide bars which are distributed in a rectangular shape are fixedly connected to the inner wall of the bottom of the rectangular cavity, the top ends of the four limit slide bars are all fixedly connected with the inner wall of the top of the rectangular cavity, the same lifting plate is slidably mounted on the four limit slide bars, a plurality of connecting plates are fixedly connected to the top of the lifting plate, a plurality of protective covers with openings at the tops are fixedly connected to the top of the fixed seat, two wiring boards are fixedly connected to the tops of the connecting plates, the top ends of the wiring boards extend to the upper side of the fixed seat, the wiring boards penetrate through the corresponding protective covers, sleeves are fixedly connected to the bottom of the lifting plate, supporting connecting blocks are fixedly connected to the inner wall, the top of lead screw extends to in the cover, and lead screw and support connecting block threaded connection, the bottom fixedly connected with handle of lead screw.
Preferably, the outer walls of the two sides of the fixing seat are fixedly connected with brackets, and the two brackets are provided with two mounting holes.
Preferably, four sliding holes are formed in the top of the lifting plate, and the four limiting sliding rods penetrate through the corresponding sliding holes and are in sliding connection with the inner walls of the corresponding sliding holes.
Preferably, the bottom of the fixed seat is provided with a rotating hole, the outer wall of the screw rod is fixedly sleeved with a bearing, and the outer ring of the bearing is fixedly connected with the inner wall of the rotating hole.
Preferably, the top of the supporting connecting block is provided with a threaded hole, and the screw rod penetrates through the threaded hole and is screwed with the inner wall of the threaded hole.
Preferably, a plurality of square through holes are formed in the top of the fixing seat and communicated with the corresponding protective covers, a plurality of wiring boards penetrate through the corresponding square through holes and are movably connected with the inner walls of the corresponding square through holes, and wiring holes are formed in the outer wall of one side of each wiring board.
Preferably, the fixing seat and the insulating plate are made of epoxy resin, and the connecting plate and the wiring board are made of copper.
Compared with the prior art, the beneficial effects of the utility model are that: the device can be reliably fixed at the position close to the single-phase vacuum contactor in the high-voltage cabinet cable through the two brackets, the four corresponding wiring boards can meet the requirement of series interlocking wiring of one single-phase vacuum contactor, so that the interlocking series wiring parts of three single-phase vacuum contactors can be reasonably arranged on the fixed seat, the examination and repair of a tester are facilitated, a large amount of time and energy can be saved for the tester, after wiring is completed, the wiring boards can move downwards through rotating the handles, and finally, the wiring parts of the wiring boards enter the protective cover, so that the situation of electric shock caused by exposure of the wiring parts can be effectively avoided;
the utility model discloses the practicality is high, can not only satisfy arc extinction cabinet single-phase vacuum contactor series interlocking wiring transition usefulness to the later stage test personnel of being convenient for also use comparatively safety to the maintenance work of wiring.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B of FIG. 1;
fig. 4 is a top view of the present invention.
In the figure: 1. a fixed seat; 2. a rectangular cavity; 3. a limiting slide bar; 4. a lifting plate; 5. an insulating plate; 6. a connecting plate; 7. a protective cover; 8. a wiring board; 9. a sleeve; 10. supporting the connecting block; 11. a screw rod; 12. a handle; 13. and (4) a bracket.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a multistage series adjustable connecting device based on a high-voltage cabinet comprises a fixed seat 1, a rectangular cavity 2 is formed in the fixed seat 1, four limit slide bars 3 which are distributed in a rectangular shape are fixedly connected to the inner wall of the bottom of the rectangular cavity 2, the top ends of the four limit slide bars 3 are all fixedly connected with the inner wall of the top of the rectangular cavity 2, the same lifting plate 4 is slidably mounted on the four limit slide bars 3, a plurality of connecting plates 6 are fixedly connected to the top of the lifting plate 4, a plurality of protective covers 7 with openings at the tops are fixedly connected to the top of the fixed seat 1, two wiring plates 8 are fixedly connected to the tops of the connecting plates 6, the top ends of the wiring plates 8 extend to the upper side of the fixed seat 1, the wiring plates 8 penetrate through the corresponding protective covers 7, sleeves 9 are fixedly connected to the bottom of the lifting plate 4, supporting connecting blocks 10 are fixedly connected to the, the top end of the screw rod 11 extends into the sleeve 9, the screw rod 11 is in threaded connection with the supporting connecting block 10, and the bottom end of the screw rod 11 is fixedly connected with a handle 12;
the outer walls of two sides of the fixed seat 1 are fixedly connected with brackets 13, two mounting holes are formed in the two brackets 13, four sliding holes are formed in the top of the lifting plate 4, four limiting sliding rods 3 penetrate through the corresponding sliding holes and are in sliding connection with the inner walls of the corresponding sliding holes, a rotating hole is formed in the bottom of the fixed seat 1, a bearing is fixedly sleeved on the outer wall of the screw rod 11, the outer ring of the bearing is fixedly connected with the inner wall of the rotating hole, a threaded hole is formed in the top of the supporting connecting block 10, the screw rod 11 penetrates through the threaded hole and is screwed with the inner wall of the threaded hole, a plurality of square through holes are formed in the top of the fixed seat 1 and are communicated with corresponding protective covers 7, a plurality of wiring boards 8 penetrate through the corresponding square through holes and are movably connected with the inner walls of the corresponding square through holes, and wiring holes, the fixing base 1 and the insulating plate 5 are made of epoxy resin materials, the connecting plates 6 and the wiring boards 8 are made of copper materials, the device can be reliably fixed at a position close to a single-phase vacuum contactor in a high-voltage cabinet cable through the two supports 13, the four corresponding wiring boards 8 can meet the requirement of series interlocking wiring of one single-phase vacuum contactor, so that interlocking series wiring parts of three single-phase vacuum contactors can be reasonably arranged on the fixing base 1, the device is convenient for a tester to overhaul, a large amount of time and energy can be saved for the tester, after wiring is completed, the wiring boards 8 can move downwards through rotating the handles 12, and finally the wiring parts of the wiring boards 8 enter the protective cover 7, so that the situation that the wiring parts are exposed to cause electric shock can be effectively avoided; the utility model discloses the practicality is high, can not only satisfy arc extinction cabinet single-phase vacuum contactor series interlocking wiring transition usefulness to the later stage test personnel of being convenient for also use comparatively safety to the maintenance work of wiring.
The working principle is as follows: the device can be fixedly arranged behind the control of the three single-phase vacuum contactors through two brackets 13;
the number of the connecting plates 6 is six, four connecting plates 8 positioned on the left side form a series connection point group for controlling the A-phase single-phase vacuum contactor, four connecting plates 8 positioned in the middle form a series connection point group for controlling the B-phase single-phase vacuum contactor, and four connecting plates 8 positioned on the right side form a series connection point group for controlling the C-phase single-phase vacuum contactor;
when the device is used, the anode of a control power supply contact of the A-phase single-phase vacuum contactor can be led into an instrument room terminal through a cable and is connected with a control contact of an arc extinction controller, the cathode of the control power supply contact of the A-phase single-phase vacuum contactor is directly connected with the leftmost wiring board 8 through the cable, wiring holes are formed in the wiring board 8, a wiring nose can be matched with screws and nuts to be reliably connected with the wiring board 8 only by pressing the wiring nose at one end of the cable in a pressing mode, two cables led out from a normally closed point of the B-phase single-phase vacuum contactor are respectively connected with the middle two wiring boards 8, one of the two cables led out from the normally closed point of the C-phase single-phase vacuum contactor is connected with the rightmost wiring board 8, and the other cable is led into the instrument room terminal to be connected with the cathode of; similarly, according to the method, the series interlocking wiring work of the B-phase and C-phase single-phase vacuum contactors can be realized;
after wiring is finished, the handle 12 is rotated clockwise to drive the screw rod 11 to rotate, the support connecting block 10 can be driven to move downwards by the screw rod 11 in the clockwise rotating process, the sleeve 9 can be driven to move downwards by the support connecting block 10, the lifting plate 4 can move downwards by the driving of the sleeve 9, so that the wiring boards 8 can move downwards, and finally, the wiring positions of the wiring boards 8 can enter the corresponding protective covers 7 along with the continuous rotation of the handle 12, so that electric shock accidents caused by the exposure of the wiring positions can be avoided;
because fixing base 1 is nearer from three single-phase vacuum contactor, and three single-phase vacuum contactor's interlocking series connection wiring part is all reasonable arranges on fixing base 1, so the tester of being convenient for overhauls, can save a large amount of time and energy for the tester.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides an adjustable connecting device based on multistage series connection of high-voltage board, includes fixing base (1), its characterized in that: a rectangular cavity (2) is formed in the fixing seat (1), four limit slide bars (3) which are distributed in a rectangular shape are fixedly connected to the inner wall of the bottom of the rectangular cavity (2), the top ends of the four limit slide bars (3) are fixedly connected with the inner wall of the top of the rectangular cavity (2), the four limit slide bars (3) are slidably mounted with a same lifting plate (4), a plurality of connecting plates (6) are fixedly connected to the top of the lifting plate (4), a plurality of protective covers (7) with openings are fixedly connected to the top of the fixing seat (1), two wiring plates (8) are fixedly connected to the top of the connecting plates (6), the top ends of the wiring plates (8) extend to the upper portion of the fixing seat (1), the wiring plates (8) penetrate through the corresponding protective covers (7), and sleeves (9) are fixedly connected to the bottom of the lifting plate (4), fixedly connected with supporting connection piece (10) on the inner wall of sleeve pipe (9), rotate on fixing base (1) and install lead screw (11), the top of lead screw (11) extends to in sleeve pipe (9), and lead screw (11) and supporting connection piece (10) threaded connection, the bottom fixedly connected with handle (12) of lead screw (11).
2. The high-voltage cabinet-based multistage series adjustable connecting device is characterized in that: equal fixedly connected with support (13) on the both sides outer wall of fixing base (1), two mounting holes have all been seted up on two support (13).
3. The high-voltage cabinet-based multistage series adjustable connecting device is characterized in that: four sliding holes are formed in the top of the lifting plate (4), and the four limiting sliding rods (3) penetrate through the corresponding sliding holes and are in sliding connection with the inner walls of the corresponding sliding holes.
4. The high-voltage cabinet-based multistage series adjustable connecting device is characterized in that: the bottom of the fixed seat (1) is provided with a rotating hole, the outer wall of the screw rod (11) is fixedly sleeved with a bearing, and the outer ring of the bearing is fixedly connected with the inner wall of the rotating hole.
5. The high-voltage cabinet-based multistage series adjustable connecting device is characterized in that: the top of the supporting connecting block (10) is provided with a threaded hole, and the screw rod (11) penetrates through the threaded hole and is screwed with the inner wall of the threaded hole.
6. The high-voltage cabinet-based multistage series adjustable connecting device is characterized in that: a plurality of square through holes are formed in the top of the fixing base (1), the square through holes are communicated with the corresponding protective covers (7), a plurality of wiring boards (8) penetrate through the corresponding square through holes and are movably connected with the inner walls of the corresponding square through holes, and wiring holes are formed in the outer wall of one side of each wiring board (8).
7. The high-voltage cabinet-based multistage series adjustable connecting device is characterized in that: the fixing seat (1) and the insulating plate (5) are made of epoxy resin, and the connecting plate (6) and the wiring board (8) are made of copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920913888.6U CN209881137U (en) | 2019-06-18 | 2019-06-18 | Multistage series adjustable connecting device based on high-voltage cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920913888.6U CN209881137U (en) | 2019-06-18 | 2019-06-18 | Multistage series adjustable connecting device based on high-voltage cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209881137U true CN209881137U (en) | 2019-12-31 |
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ID=68946754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920913888.6U Expired - Fee Related CN209881137U (en) | 2019-06-18 | 2019-06-18 | Multistage series adjustable connecting device based on high-voltage cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209881137U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834947A (en) * | 2020-06-19 | 2020-10-27 | 国网河南省电力公司鹤壁供电公司 | Electricity testing and grounding trolley for 10kV switch cabinet |
-
2019
- 2019-06-18 CN CN201920913888.6U patent/CN209881137U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834947A (en) * | 2020-06-19 | 2020-10-27 | 国网河南省电力公司鹤壁供电公司 | Electricity testing and grounding trolley for 10kV switch cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 Termination date: 20210618 |