CN203193551U - Mining explosive-proof and intrinsic safety type multi-loop starter - Google Patents
Mining explosive-proof and intrinsic safety type multi-loop starter Download PDFInfo
- Publication number
- CN203193551U CN203193551U CN 201320166193 CN201320166193U CN203193551U CN 203193551 U CN203193551 U CN 203193551U CN 201320166193 CN201320166193 CN 201320166193 CN 201320166193 U CN201320166193 U CN 201320166193U CN 203193551 U CN203193551 U CN 203193551U
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- China
- Prior art keywords
- busbar
- plug
- socket
- starter
- vacuum contactor
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- Expired - Fee Related
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Abstract
The utility model discloses a mining explosive-proof and intrinsic safety type multi-loop starter comprising an explosive-proof housing. The explosive-proof housing comprises a main control chamber, a door cover, and a junction box. A plurality of vacuum contactors and an isolation switch are disposed in the main control chamber. Each of the vacuum contactors is provided with a wire inlet terminal busbar plug and a wire outlet terminal busbar plug. The busbar plug is connected with the socket, two ends of which are provided with jacks. The jack of the other end of the socket is connected with a plug of a main circuit busbar. The mining explosive-proof and intrinsic safety type multi-loop starter is advantageous in that the bolt connection between the vacuum contactors and the main circuit busbar can be changed into the plugging type connection, therefore the connection between the vacuum contactors and the main circuit busbar can be realized by pushing the wire inlet terminal busbar plugs and the wire outlet terminal busbar plugs of the vacuum contactors and the plug of the main circuit busbar in the jacks in the two ends of the socket, the operation is simple, the dismounting time of the vacuum contactors can be greatly saved, and at the same time the material used by the production of the explosive-proof housing can be saved.
Description
Technical field
The utility model relates to a kind of mine anti-explosion appliance field, in particular a kind of mine flameproof and intrinsic safety type multiloop starter.
Background technology
Existing mine anti-explosion multiloop starter, be mainly used in voltage 1140(660 under the coal mine) V, frequency 50HZ is in the rated current 400A supply line, as the control of squirrel-cage asynchronous motor in the electrical control equipment of comprehensive mechanical coal mining system, but double as double speed starter uses.Major loop adopts the break-make of vacuum contactor control motor circuit, and 1 motor of every vacuum contactor control is generally formed the nearly fully-mechanized mining equipment centralized control system of 4-12 platform motor of control by 4-12 platform vacuum contactor.Motor control system adopts Programmable Logic Controller, realizes the control of starter variety of way according to fully-mechanized mining equipment service requirement under the coal mine.When circuit appearance overload, short circuit, during faults such as the phase failure, the rapid outage of starter is carried out circuit and is protected.The explosion-proof form of starter adopts " Flameproof intrinsically safe ", i.e. starter integral installation realizes the complete machine explosive-proof protector in flame-proof type shell inside cavity by the flame-proof type shell, adopts the essential safe type circuit to control when starter starts and stops.Because vacuum contactor reaches the 4--12 platform in the starter that uses at present, every vacuum contactor has 6 binding posts, be respectively 3 inlet wire binding posts and 3 outlet binding posts, need use 6 cover bolts, nut, spring washer, plain washer to finish being connected of contactor and major loop busbar.Also the major loop busbar be aimed at the installing hole of busbar termination connecting hole and vacuum contactor turnover line terminals just to carry out fastening simultaneously according to the definite shape bending, also need spanner that certain rotation space is arranged when fastening.For the satisfied job requirement that the vacuum contactor of starter inside is repaired or replaced, need when design starter flameproof enclosure, will reserve the space for the spanner rotating operation.Nonetheless, under coal mine, because every vacuum contactor of repair and replacement needs dismounting 6 cover bolts, nut, spring washer, plain washer spended time very long, cause under the coal mine interruption duration longer, have a strong impact on production.If many vacuum contactors of repair and replacement then consuming time longer, vacuum contactor belongs to the components and parts that need often carry out maintenance and repair in the starter product at present, how to shorten the dismounting time of vacuum contactor, the work of finishing the vacuum contactor maintenance and repair at short notice just becomes the problem that starter improves design.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of mine flameproof and intrinsic safety type multiloop starter that is convenient for changing maintenance vacuum contactor and compact conformation is provided.
The utility model is achieved through the following technical solutions:
Mine flameproof and intrinsic safety type multiloop starter, comprise flameproof enclosure, described flameproof enclosure comprises master control chamber, door closure and junction box, described master control is provided with vacuum contactor and isolating switch in the chamber, described vacuum contactor is many, and described every vacuum contactor is provided with end of incoming cables and leading-out terminal busbar plug, and described busbar plug is connected with socket, described socket two ends all have jack, and described socket other end jack is connected with the plug of major loop busbar.
Further, described socket comprises the socket shell of both ends open, is provided with conducting block in the described socket shell, and described conducting block two ends are provided with jack, and described conducting block both sides all are pressed with pad, is provided with holddown spring between described pad and the socket shell inwall.
Further, three pairs of jacks of described socket band.
Further, the end of incoming cables of described vacuum contactor and leading-out terminal busbar plug are provided with block.
The utility model has the following advantages compared to existing technology:
The mine flameproof and intrinsic safety type multiloop starter that the utility model provides, change the type of attachment of vacuum contactor and major loop busbar into plug-in type by the bolt interconnection system, only need during connection the jack that pushes the socket two ends respectively into and out of line end busbar plug and major loop busbar plug of vacuum contactor can be realized being connected of vacuum contactor and major loop busbar, major loop busbar and vacuum contactor ways of connecting have been simplified, make that the operating process that connects is easy, significantly saved the vacuum contactor dismounting time.Owing to need in the flameproof enclosure of multiloop starter, not reserve the space that supplies the spanner rotating operation, saved the employed material of manufacturing flameproof enclosure thereby saved multiloop starter inner space simultaneously.
Description of drawings
Fig. 1 is the socket connection structural representation of vacuum contactor of the present utility model and major loop busbar.
Embodiment
Below embodiment of the present utility model is elaborated; present embodiment is being to implement under the prerequisite with technical solutions of the utility model; provided detailed execution mode and concrete operating process, but protection range of the present utility model is not limited to following embodiment.
The mine flameproof and intrinsic safety type multiloop starter that the utility model provides comprises flameproof enclosure, and flameproof enclosure comprises master control chamber, door closure and junction box, is provided with isolating switch and vacuum contactor in the master control chamber.In every multiloop platform starter 4-12 vacuum contactors are housed, can control 4-12 motor of fully-mechanized mining equipment under the coal mine simultaneously, all vacuum contactors all adopt plug in construction with being connected of major loop busbar, namely adopt plug to be connected with the plug-in of socket.
Referring to Fig. 1, with the three-phase that be used for to connect the major loop busbar in the vacuum contactor totally 6 into and out of line end by the tin-coated copper busbar that originally had bolt mounting holes be modified into conductive section suitably strengthen, do not open bolt mounting holes into and out of line end busbar plug 1, by vacuum contactor backward horizontal direction stretch out, be provided with block 2 into and out of line end busbar plug 1 near the front end place.Corresponding 6 major loop busbars also are improved to the plug 3 of 6 major loop busbars.Plug 3 into and out of line end busbar plug 1 and major loop busbar all can adopt the silver-plated copper plug.Socket 4 comprises the socket shell 5 of both ends open, is provided with conducting block 6 in the socket shell 5, and conducting block 6 two ends are provided with jack, and conducting block 6 both sides all are pressed with pad 7, is provided with holddown spring 8 between pad 7 and socket shell 5 inwalls and inserts the back difficult drop-off to guarantee plug.Employing has the DMC unsaturated polyester (UP) reinforced plastics of high insulating property as socket shell 5, pack in socket shell 5 conducting block 6, holddown spring 8, pad 7 these parts, the conduction after the plug 3 into and out of line end busbar plug 1 and major loop busbar that guarantees vacuum contactor inserts contacts reliably.
The utility model will have the vacuum contactor that may need frequent repair and replacement in the starter now and the type of attachment of major loop busbar changes plug-in type into by the bolt interconnection system.Make every vacuum contactor and major loop busbar tighten ways of connecting with 6 cover bolts, nut, spring washer, plain washer by spanner and change the plug-in connection that the plug 3 into and out of line end busbar plug 1, major loop busbar that adopts vacuum contactor is connected with socket 4 respectively into.When needing repairing or change vacuum contactor, can finish dismantlement work as long as it is extracted from socket 4.When packing vacuum contactor into, advance and be inserted into the position and can finish the work that is connected with the major loop busbar as long as it is aimed at 4 backs of socket into.Major loop busbar and vacuum contactor ways of connecting have been simplified, make very easy, the remarkable dismounting time of having saved vacuum contactor maintenance, replacing of dismounting or the operating process that connects, shorten the interruption duration that causes because of vacuum contactor maintenance, replacing under the coal mine, improved the productivity ratio under the coal mine.Because not needing to use spanner dismantles connecting portion or fastening, so need not reserve the space for the spanner rotating operation in product inside yet, can also save the starter inner space, make that product inside is more compact, volume-diminished, thereby the flameproof enclosure volume is dwindled thereupon, saved the employed steel of manufacturing flameproof enclosure.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (4)
1. mine flameproof and intrinsic safety type multiloop starter, comprise flameproof enclosure, described flameproof enclosure comprises master control chamber, door closure and junction box, described master control is provided with vacuum contactor and isolating switch in the chamber, it is characterized in that: described vacuum contactor is many, described every vacuum contactor is provided with end of incoming cables and leading-out terminal busbar plug, described end of incoming cables is connected with socket with leading-out terminal busbar plug, described socket two ends all have jack, and described socket other end jack is connected with the plug of major loop busbar.
2. mine flameproof and intrinsic safety type multiloop starter as claimed in claim 1, it is characterized in that: described socket comprises the socket shell of both ends open, be provided with conducting block in the described socket shell, described conducting block two ends are provided with jack, described conducting block both sides all are pressed with pad, are provided with holddown spring between described pad and the socket shell inwall.
3. mine flameproof and intrinsic safety type multiloop starter as claimed in claim 2 is characterized in that: three pairs of jacks of described socket band.
4. mine flameproof and intrinsic safety type multiloop starter as claimed in claim 3, it is characterized in that: the end of incoming cables of described vacuum contactor and leading-out terminal busbar plug are provided with block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320166193 CN203193551U (en) | 2013-04-03 | 2013-04-03 | Mining explosive-proof and intrinsic safety type multi-loop starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320166193 CN203193551U (en) | 2013-04-03 | 2013-04-03 | Mining explosive-proof and intrinsic safety type multi-loop starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203193551U true CN203193551U (en) | 2013-09-11 |
Family
ID=49110377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320166193 Expired - Fee Related CN203193551U (en) | 2013-04-03 | 2013-04-03 | Mining explosive-proof and intrinsic safety type multi-loop starter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203193551U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112751231A (en) * | 2019-10-31 | 2021-05-04 | 北京京人电器有限公司 | Plug device |
-
2013
- 2013-04-03 CN CN 201320166193 patent/CN203193551U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112751231A (en) * | 2019-10-31 | 2021-05-04 | 北京京人电器有限公司 | Plug device |
| CN112751231B (en) * | 2019-10-31 | 2024-02-06 | 北京京人电器有限公司 | Plug device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Mining explosive-proof and intrinsic safety type multi-loop starter Effective date of registration: 20190628 Granted publication date: 20130911 Pledgee: Hefei science and technology rural commercial bank Limited by Share Ltd. Hi tech Zone Branch Pledgor: HEFEI SWITCH FACTORY Co.,Ltd. Registration number: 2019340000345 |
|
| 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: 20130911 |