CN206775049U - A kind of new explosion-proof terminal box - Google Patents
A kind of new explosion-proof terminal box Download PDFInfo
- Publication number
- CN206775049U CN206775049U CN201720583128.4U CN201720583128U CN206775049U CN 206775049 U CN206775049 U CN 206775049U CN 201720583128 U CN201720583128 U CN 201720583128U CN 206775049 U CN206775049 U CN 206775049U
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- CN
- China
- Prior art keywords
- end cap
- terminal box
- housing
- proof terminal
- box according
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Abstract
A kind of new explosion-proof terminal box,Belong to mining equipment technical field,It is inconvenient can to solve existing explosion-proof connection box repair and maintenance,Unsafe problem,Including the housing provided with loophole and round end cap mouth,The round end cap matched with end cap mouth,Some line leading devices and the unlocking apparatus matched with terminal box,End cap mouth is located at the front side of housing,End cap is provided with the observation window for inlaying implosion guard and sealing device,The end cover port is provided with flange I of the inner edge in uniformly concavo-convex alternate seam,Flange II of the inner edge in uniformly concavo-convex alternate claw is provided with the inside of end cap,Seam and claw match,The base angle that housing is provided with end cap mouth side is provided with rotating shaft,End cap outer rim is provided with some gear teeth and teeth groove at corresponding rotating shaft,Housing inner bottom part is provided with insulation porcelain seat and ground wire stud terminal,Insulation porcelain seat is provided with three main line stud terminals,LED three phase mains indicating lamp components are provided with the loophole of housing.The utility model improve maintenance it is convenient with it is safe.
Description
Technical field
The utility model belongs to mining equipment technical field, and in particular to a kind of new explosion-proof terminal box.
Background technology
For underground coal mine because condition is special, the connection of cable run needs the cable coupling box of special construction, generally according to
Need the flame-proof type cable coupling box using different model.But because traditional explosion-proof terminal box is heavier, it is suspended on again
On higher tunnel wall, the repair and maintenance of line box is docked to maintenance personal, observation judges whether phase shortage, back panel wiring are power supply
It is no it is intact, whether there is the work such as potential safety hazard and bring bigger difficulty and inconvenience, in some instances it may even be possible to caused during Maintenance and Repair
The new potential safety hazards such as electric shock.When circuit breaks down, repair and maintenance personnel are difficult quick failure judgement point and fault signature,
Often take and one section of trouble-shooting of investigation mode one section such as uncap, take out stitches on a large scale and losing time, and because of powered situation not
It is bright to easily cause maintenance electric shock accidents.
The content of the invention
The utility model is for existing explosion-proof connection box repair and maintenance is inconvenient, unsafe problem, there is provided a kind of new
Explosion-proof terminal box.
The utility model adopts the following technical scheme that：
A kind of new explosion-proof terminal box, including the housing provided with loophole and round end cap mouth, match with end cap mouth
Round end cap, the line leading device that some housing sidewalls are set and the unlocking apparatus matched with terminal box, end cap mouth are located at housing
Front side, end cap are provided with the observation window for inlaying implosion guard and sealing device, and the end cover port is provided with inner edge in uniformly concavo-convex
The flange I of alternate seam, end cap inner side are provided with flange II of the inner edge in uniformly concavo-convex alternate claw, and seam and claw match,
The base angle that housing is provided with end cap mouth side is provided with rotating shaft, and end cap outer rim is provided with some gear teeth I and teeth groove I, shell at corresponding rotating shaft
Internal bottom is provided with insulation porcelain seat and earth terminal, and insulation porcelain seat is provided with three power -line terminals, at the loophole of housing
Provided with LED three phase mains indicating lamp components, the unlocking apparatus includes the disk that hand handle, lever and center are provided with shaft hole, hand
One end is connected with lever, the other end is connected with disc centre, and bottom margin of the disk along hand handle is provided with and the gear teeth I and teeth groove
The gear teeth II and teeth groove II of I matching, hand handle are provided with sleeve with respect to the opposite side of clutch disk.
Further, observation window is externally provided with protecting cover, can prevent observation window from being damaged by hard thing, destroys explosion insulation performance.
Further, loophole and end cap mouth are located at the same side, in the case where that need not uncap, by observation window and
Power supply indicator can failure judgement a situation arises.
Further, the line leading device includes horn mouth, incoming line, metal baffle and rubber seal, horn mouth and
Incoming line is connected by fastening bolt, and metal baffle is located among horn mouth and rubber seal, rubber seal and housing side
Wall is adjacent.
Further, the concentric circles central angle of flange I corresponding to the arc length of seam is 30 °.
Further, the concentric circles central angle of flange II corresponding to the arc length of claw is 30 °.
The design of seam and claw ensure that the flame proof intensity of end cap and the sealing property of explosion suppresion surface, and Convenient switch end
Lid operation.
Further, end cap central angle corresponding to the arc length of the gear teeth I is 60 °, and the thickness of the gear teeth I is equal with the width of teeth groove I, full
Foot end cap is completely opened and closed the angle needed for rotation.
Further, end cap is fixed by the locking nut matched with sleeve, can play the fixation to end cap.
Further, case top is provided with hoisting ring, for installing or hanging.
Further, in LED three phase mains indicating lamp component, including A, B, C three-phase, wherein, A phases pass through wire and two
Dropping resistor is connected, and is then connected with a red light emitting diodes, fly-wheel diode and red light emitting diodes reverse parallel connection,
B phases are connected by wire with two dropping resistors, are then connected with a green LED, and fly-wheel diode is sent out with green
Optical diode reverse parallel connection, C phases are connected with two dropping resistors by wire, then connected with a yellow light-emitting diode,
Fly-wheel diode and yellow light-emitting diode reverse parallel connection, A, B, C tri- coordinate Y-connection.
The beneficial effects of the utility model are as follows：
1. the utility model is in the case where that need not uncap, by observation window and power supply indicator come failure judgement
A situation arises；
It 2. the utility model is provided with protecting cover, can prevent observation window from being damaged by hard thing, destroy explosion insulation performance；
3. the utility model internal-flange bolt binding post connection and reasonable arrangement, not only firmly insulated but also without prejudice to terminal box inner cable
Connection and operation；
4. the utility model is furnished with special unlocking apparatus, it effectively prevent situation about uncapping without authorization and occur, improve safety
Property；
5. cover opening tool of the present utility model is easy to operate, operating efficiency is improved, reduces labor intensity.
Brief description of the drawings
Fig. 1 is the utility model external structure schematic diagram；
Fig. 2 is the utility model internal structure schematic diagram；
Fig. 3 is the utility model LED three phase mains indicating lamp component circuit theory schematic diagrams；
Fig. 4 is the utility model line leading device structural representation；
Fig. 5 is the utility model housing（During end-cover-free）Structural representation；
Fig. 6 is the utility model end cap overlooking the structure diagram；
Fig. 7 is the utility model end cap side structure schematic view；
Fig. 8 is the utility model end cap and housing connected mode schematic diagram；
Fig. 9 is the utility model unlocking apparatus main structure diagram；
Figure 10 is the utility model unlocking apparatus side structure schematic view；
Wherein：1- housings；2- end caps；3- line leading devices；4- observation windows；5- loopholes；6- locking nuts；7- hoisting rings；
8- rotating shafts；The 9- gear teeth I；10- wires；11-LED three phase mains indicating lamp components；12- power -line terminals；13- earth terminals；
14- implosion guards；15- protecting covers；16- seams；17- claws；18- insulation porcelain seats；19- hand handles；The 20- gear teeth II；21- shaft holes；
22- levers；23- sleeves；24- horn mouths；25- fastening bolts；26- metal baffles；27- rubber seal；28- shell flanges I
Explosion suppresion surface；The explosion suppresion surface of 29- end caps flange II；30- disks.
Embodiment
With reference to accompanying drawing, the utility model is described further.
A kind of new explosion-proof terminal box, including the housing 1 provided with loophole 5 and round end cap mouth, match with end cap mouth
Round end cap 2, the line leading device 3 that sets of the side wall of some housings 1 and the unlocking apparatus that is matched with terminal box, end cap mouth be located at shell
The front side of body 1, end cap 2 are provided with the observation window 4 for inlaying implosion guard 14 and sealing device, and the end cover port is in provided with inner edge
The uniformly flange I of concavo-convex alternate seam 16, the inner side of end cap 2 are provided with flange II of the inner edge in uniformly concavo-convex alternate claw 17, seam
16 and claw 17 match, the base angle that housing 1 is provided with end cap mouth side is provided with rotating shaft 8, and the outer rim of end cap 2 is being set at correspondence rotating shaft 8
There are some gear teeth I 9 and teeth groove I, the inner bottom part of housing 1 is provided with insulation porcelain seat 18 and earth terminal 13, and insulation porcelain seat 18 is provided with
Three power -line terminals 12, LED three phase mains indicating lamp component 11 are provided with the loophole 5 of housing 1, the unlocking apparatus includes
Hand handle 19, lever 22 and center are provided with the disk 30 of shaft hole 21, and the one end of hand handle 19 is connected with lever 22, the other end and disk 30
Center connects, and bottom margin of the disk 30 along hand handle 19 is provided with the gear teeth II 20 and teeth groove II matched with the gear teeth I 9 and teeth groove I,
Hand handle 19 is provided with sleeve 23 with respect to the opposite side of clutch disk 30.
Observation window 4 is externally provided with protecting cover 15, can prevent observation window from being damaged by hard thing.
Loophole 5 is located at the same side with end cap mouth.
The line leading device includes horn mouth 24, incoming line, metal baffle 26 and rubber seal 27, horn mouth 24 and enters
Line mouth is connected by fastening bolt 25, and metal baffle 26 is located among horn mouth 24 and rubber seal 27, rubber seal 27
It is adjacent with the side wall of housing 1.
The concentric circles central angle of flange I corresponding to the arc length of seam 16 is 30 °.
The concentric circles central angle of flange II corresponding to the arc length of claw 17 is 30 °.
The central angle of end cap 2 corresponding to the arc length of the gear teeth I 9 is 60 °, and the thickness of the gear teeth I 9 is equal with the width of teeth groove I.
End cap 2 is fixed by the locking nut 6 matched with sleeve 23, and the specification of locking nut 6 is M12, matched
Clamping screw specification is M12 × 35.
The top of housing 1 is provided with hoisting ring 7.
In LED three phase mains indicating lamp component 11, including A, B, C three-phase, wherein, A phases are depressured by wire 10 and two
Resistant series, then connected with a red light emitting diodes, fly-wheel diode and red light emitting diodes reverse parallel connection, B phases
Connected with two dropping resistors by wire, then connected with a green LED, fly-wheel diode and green emitting
Diode reverse is in parallel, and C phases are connected with two dropping resistors by wire, then connected with a yellow light-emitting diode, continues
Flow diode and yellow light-emitting diode reverse parallel connection, A, B, C tri- coordinates Y-connection.
By observing LED three phase mains indicating lamp component 11, it is possible to judge cable run and supply voltage work rapidly
Whether work is normal, greatly reduces the danger of live line measurement and maintenance.Because LED three phase mains indicating lamp component 11 is with star
The mode of connection accesses A, B, C three phase mains, the green three light emitting diode normal luminous of reddish yellow, is representing three-phase mains voltage just
Often.If red light emitting diodes do not work, then illustrate A phase power supply no-voltages or cable break；If red light emitting diodes glimmer
Or brightness is dark, then illustrate that A phases line under-voltage or cable have earth fault.
Wire 10 is protected with insulating sleeve, and the surface mount of inwall and insulation porcelain seat 18 along housing 1 is fixed, both firmly absolutely
Edge is again attractive in appearance neat, the more connection and operation without prejudice to terminal box inner cable.
Line leading device 3 sets 2 or 3 or 4.
Connection between end cap 2 and end cap mouth is the formula connection of rotation clamping, had both facilitated maintenance of uncapping, and in turn ensure that explosion-proof
It is required that the explosion-insulation surface index of end cap 2 and housing 1 meets the requirement of GB3836.2-2010 standards.
Loophole 5 is three diameter 3mm loophole, and by transparent epoxy resin sealing, translucent effect is good, also ensure that
Explosion-proof performance.
End cap 2 of the present utility model is opened, and with unlocking apparatus, be effectively prevent situation about uncapping without authorization and is occurred.It is true first
When recognizing terminal box inner cable no-voltage, after removing the locking nut 6 of end cap 2, hand handle 19 is held, by the shaft hole 21 for hand handle 19 of uncapping
It is enclosed in the rotating shaft 8 on housing 1, the gear teeth II 20 just engage with the gear teeth I 9.It is that the center of circle rotates clockwise hand handle 19 about with rotating shaft 8
300, the now drive of the gear teeth II 20 gear teeth I 9, make the rotate counterclockwise 30 of end cap 20Afterwards, the claw 17 on the flange II of end cap 2 departs from shell
Seam 16 on body flange I, then can remove end cap 2 with hand, carry out the service work of junction box element.Close
During end cap 2, first the seam that the claw 17 on end cap flange II is aligned on shell flange I is buckled well, then holds hand handle 19, will be turned
Axis hole 21 is enclosed in rotating shaft 8, is that the center of circle rotates counterclockwise hand handle 19 about 30 with rotating shaft 80, the now drive of the gear teeth II 20 gear teeth I 9,
End cap 2 is set to turn clockwise about 300Afterwards, the claw 17 on end cap flange II is just seized the seam 16 on shell flange I, fine setting
The teeth groove of the gear teeth I 9 is directed at end cap locking nut 6 by hand handle 19.Then by locking bolt（M12×35）Locking nut 6 is screwed into, then
Hand-held hand handle 19, is tightened clamping screw with the sleeve 23 above hand handle 19, completes lid lid operation.
Claims (10)
1. a kind of new explosion-proof terminal box, including provided with loophole（5）With the housing of round end cap mouth（1）And end cap mouth
The round end cap matched somebody with somebody（2）, some housings（1）The line leading device that side wall is set（3）With the unlocking apparatus matched with terminal box, end cap
Mouth is located at housing（1）Front side, end cap（2）It is provided with and inlays implosion guard（14）With the observation window of sealing device（4）, the end
Cover port is provided with inner edge in uniformly concavo-convex alternate seam（16）Flange I, end cap（2）Inner side is provided with inner edge in uniformly concavo-convex alternate
Claw（17）Flange II, seam（16）And claw（17）Match, housing（1）Base angle provided with end cap mouth side is provided with rotating shaft
（8）, end cap（2）Outer rim is in corresponding rotating shaft（8）Place is provided with some gear teeth I（9）With teeth groove I, housing（1）Inner bottom part is provided with insulation porcelain
Seat（18）And earth terminal（13）, insulation porcelain seat（18）It is provided with three power -line terminals（12）, housing（1）Loophole
（5）Place is provided with LED three phase mains indicating lamp components（11）, the unlocking apparatus includes hand handle（19）, lever（22）Set with center
There is shaft hole（21）Disk（30）, hand handle（19）One end and lever（22）Connection, the other end and disk（30）Center connects, circle
Disk（30）Along hand handle（19）Bottom margin be provided with and the gear teeth I（9）The gear teeth II matched with teeth groove I（20）With teeth groove II, hand
（19）With respect to clutch disk（30）Opposite side be provided with sleeve（23）.
A kind of 2. new explosion-proof terminal box according to claim 1, it is characterised in that：The observation window（4）It is externally provided with
Protecting cover（15）.
A kind of 3. new explosion-proof terminal box according to claim 2, it is characterised in that：The loophole（5）With end cap
Mouth is located at the same side.
A kind of 4. new explosion-proof terminal box according to claim 3, it is characterised in that：The line leading device includes loudspeaker
Mouthful（24）, incoming line, metal baffle（26）And rubber seal（27）, horn mouth（24）Pass through fastening bolt with incoming line（25）
Connection, metal baffle（26）Positioned at horn mouth（24）And rubber seal（27）Centre, rubber seal（27）With housing（1）Side
Wall is adjacent.
A kind of 5. new explosion-proof terminal box according to claim 4, it is characterised in that：The seam（16）Arc length pair
The concentric circles central angle of flange I answered is 30 °.
A kind of 6. new explosion-proof terminal box according to claim 5, it is characterised in that：The claw（17）Arc length pair
The concentric circles central angle of flange II answered is 30 °.
A kind of 7. new explosion-proof terminal box according to claim 6, it is characterised in that：The gear teeth I（9）Arc length pair
The end cap answered（2）Central angle is 60 °, the gear teeth I（9）Thickness is equal with the width of teeth groove I.
A kind of 8. new explosion-proof terminal box according to claim 7, it is characterised in that：The end cap（2）By with set
Cylinder（23）The locking nut of matching（6）It is fixed.
A kind of 9. new explosion-proof terminal box according to claim 8, it is characterised in that：The housing（1）Top is provided with
Hoisting ring（7）.
A kind of 10. new explosion-proof terminal box according to claim 9, it is characterised in that：LED three phase mains indicator lamp groups
Part（11）In, including A, B, C three-phase, wherein, A phases pass through wire（10）Connected with two dropping resistors, then with a red
Light emitting diode is connected, and fly-wheel diode and red light emitting diodes reverse parallel connection, B phases pass through wire and two dropping resistor strings
Connection, then connects with a green LED, and fly-wheel diode and green LED reverse parallel connection, C phases are by leading
Line is connected with two dropping resistors, is then connected with a yellow light-emitting diode, fly-wheel diode and yellow light-emitting diode
Reverse parallel connection, A, B, C tri- coordinate Y-connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720583128.4U CN206775049U (en) | 2017-05-24 | 2017-05-24 | A kind of new explosion-proof terminal box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720583128.4U CN206775049U (en) | 2017-05-24 | 2017-05-24 | A kind of new explosion-proof terminal box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206775049U true CN206775049U (en) | 2017-12-19 |
Family
ID=60639016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720583128.4U Expired - Fee Related CN206775049U (en) | 2017-05-24 | 2017-05-24 | A kind of new explosion-proof terminal box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206775049U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111509632A (en) * | 2020-04-21 | 2020-08-07 | 龙岩学院 | Cable protection device |
| CN114792958A (en) * | 2022-04-21 | 2022-07-26 | 国网山东省电力公司平度市供电公司 | Wire harness box for replacing ammeter |
-
2017
- 2017-05-24 CN CN201720583128.4U patent/CN206775049U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111509632A (en) * | 2020-04-21 | 2020-08-07 | 龙岩学院 | Cable protection device |
| CN114792958A (en) * | 2022-04-21 | 2022-07-26 | 国网山东省电力公司平度市供电公司 | Wire harness box for replacing ammeter |
| CN114792958B (en) * | 2022-04-21 | 2024-02-23 | 国网山东省电力公司平度市供电公司 | Wire harness box for ammeter replacement |
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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: 20171219 Termination date: 20180524 |