CN2623862Y - Explosion-proof limiter for rolling shutter door switching machine - Google Patents
Explosion-proof limiter for rolling shutter door switching machine Download PDFInfo
- Publication number
- CN2623862Y CN2623862Y CN 03214563 CN03214563U CN2623862Y CN 2623862 Y CN2623862 Y CN 2623862Y CN 03214563 CN03214563 CN 03214563 CN 03214563 U CN03214563 U CN 03214563U CN 2623862 Y CN2623862 Y CN 2623862Y
- Authority
- CN
- China
- Prior art keywords
- stop
- proof
- explosion
- limiter
- axle sleeve
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a burst proof limiter in a roller shutter closer, belonging to a burst proof power closing device. The burst proof limiter is designed with a burst proof structure, shell 25 of which and a limiter wire exist conterminous to a connecting bucket 23 are additionally provided with an airtight loop 24; and the joint surface of the limiter shell 25 and a limiter lid 26, the joint surface of a shaft sleeve 30 and a worm 33 and the joint surface of the shaft sleeve 30 and a worm 34 are all designed to the burst proof joint surface. The utility model adopts the airtight loop to seal and protect the limiter, thus preventing outer flammable gas from entering the shell 25 to a limiter 2, and then blast; and designs the burst proof joint surfaces, thus preventing outer flammable gas from entering the limiter 2 to blast. The utility model is applicable to zones containing blasting gas and has a burst proof function.
Description
One, affiliated technical field
The utility model relates to the explosion-proof stop that a kind of rolling door opens and closes machine, belongs to explosion-proof power closing device.
Two, background technology
At present, contain the place of explosive gas mixture both at home and abroad, still do not have the special explosion-proof explosion-proof stop of rolling door switching machine, existing rolling door opens and closes the machine stop does not have explosion prevention function, is not suitable for the zone of containing damp and uses.
Three, summary of the invention
The purpose of this utility model is to provide a kind of zone of containing damp that is applicable to use, have the explosion-proof stop that the rolling door of explosion prevention function opens and closes machine.
Technical solution of the present utility model is as follows:
Rolling door switching machine is made up of reducer, clutch, motor and stop; Rolling door opens and closes the confidential requirement of explosion proof that reaches, and need carry out explosion-proof design to each link that opens and closes machine, and wherein stop is designed to the explosion-proof stop of explosion separation structure, can prevent that inflammable gas from entering generation blast in the stop 2, reaches requirement of explosion proof.
The stop 2 of rolling door switching machine is designed to have the explosion-proof stop of explosion separation structure, include wiring bucket 23, stop housing 25, stop lid 26, trimmer 27, travel switch 28, stop gear 29, axle sleeve 30, cam 31, worm gear 32, worm screw 33 and axle sleeve 34, its special character is the stop cable exit that joins at stop housing 25 and wiring bucket 23, be equipped with sealing ring 24, sealing ring 24 will the stop inner walls in stop housing cable exit and between the cable shell in stop housing cable exit seal protection, prevent from that extraneous inflammable gas from entering from the cable exit of stop housing 25 to produce blast the stop 2; Stop housing 25 and stop are covered 26 mating faces, axle sleeve 30 and worm screw 33 mating faces, axle sleeve 34 and worm screw 33 mating faces all be designed to explosion-proof mating face, prevent that extraneous inflammable gas from entering generation blast in the stop 2.
The sealing ring 24 of above-mentioned stop 2 can adopt the rubber-like rubber seal, or the seal protection circle that adopts other chemical materials with seal protection effect to make; The rubber-like rubber gasket can be adopted in explosion-proof mating face, or adopts the bonding surface with high accuracy mating surface.
The explosion-proof stop that the utility model rolling door opens and closes machine adopts the sealing ring seal protection, can prevent that extraneous inflammable gas from entering generation blast the stop 2 from the cable exit of stop housing 25; Design has explosion-proof mating face, can prevent that extraneous inflammable gas from entering generation blast in the stop 2.The explosion-proof stop that the utility model rolling door opens and closes machine is applicable to that the zone of containing damp uses, has explosion prevention function.
Four, description of drawings
Fig. 1: the rolling door that constitutes for the explosion-proof stop of the utility model opens and closes the machine structural representation;
Fig. 2: be the structural representation of reducer;
Fig. 3: be the front view of the explosion-proof stop of the utility model:
Fig. 4: for the utility model not with the explosion-proof stop vertical view of stop lid.
Five, the specific embodiment
With reference to figure 1-Fig. 4, preferred embodiment of the utility model is as follows:
Rolling door switching machine is made up of reducer, clutch, motor and stop; Rolling door opens and closes the confidential requirement of explosion proof that reaches, and need carry out explosion-proof design to each link that opens and closes machine, and wherein stop is designed to the explosion-proof stop of explosion separation structure, can prevent that inflammable gas from entering generation blast in the stop 2, reaches requirement of explosion proof.Rolling door switching machine reaches requirement of explosion proof, need the oil film protection be arranged with the design of the supporting reducer of explosion-proof stop, avoids producing spark, to play explosion prevention function; The clutch designs supporting with explosion-proof stop is mechanical brake, and adopts copper to steel transmission clutch, do not produce spark, explosion-proof automatic clutch; Motor is designed to fire-proof motor according to national explosion-proof electrification standard-required; Outside chain running part linear velocity is 5.72 meters/minute, and is coated with lubricating grease, can prevent that friction from producing spark, reaches requirement of explosion proof.
The stop 2 of this optimum implementation is designed to have the explosion-proof stop of explosion separation structure, at reason wiring bucket 23, stop housing 25, stop lid 26, trimmer 27, travel switch 28, stop gear 29, axle sleeve 30, cam 31, worm gear 32, on the stop basis that worm screw 33 and axle sleeve 34 are formed, in the stop cable exit that stop housing 25 and wiring bucket 23 join, be equipped with sealing ring 24, sealing ring 24 will the stop inner walls in stop housing cable exit and between the cable shell in stop housing cable exit seal protection, prevent from that extraneous inflammable gas from entering from the cable exit of stop housing 25 to produce blast the stop 2; Stop housing 25 and stop are covered 26 mating faces, axle sleeve 30 and worm screw 33 mating faces, axle sleeve 34 and worm screw 33 mating faces all be designed to explosion-proof mating face, prevent that extraneous inflammable gas from entering generation blast in the stop 2.
The sealing ring 24 of above-mentioned stop 2 can adopt the rubber-like rubber seal, or the seal protection circle that adopts other chemical materials with seal protection effect to make; The rubber-like rubber gasket can be adopted in explosion-proof mating face, or adopts the bonding surface with high accuracy mating surface.
Reducer 3 designs have the oil film protection, be planetary reduction gear, adopt double reduction, three I level planetary gears 21 are installed on the I level planet carrier 19, contact with three II level planetary gears 17 by II level gear shaft 20, drive 18 motions of II level planet carrier, II level planet carrier 18 is associated in output shaft 22, output shaft 22 connects with minor sprocket 1 by key 16, thereby drives minor sprocket 1 motion; The oil film protection is for adding lubrication oil on transmission connection piece.
Motor is designed to fire-proof motor according to national explosion-proof electrification standard-required, is connected with clutch part 14 by flat key 13 on the motor output shaft 12, and the material of clutch part 14 is H62.
Clutch adopts the automatic clutch of being made up of end cap 4, tray deck 5, compression tower spring 6, grinding disk 7, break-in support 9, clutch part 14, gear shaft 15; Automatic clutch adopts mechanical automatic clutch, by end cap 4 and tray deck 5 fixed gear shafts 15, the one end design of gear shaft 15 has three I level planetary gears, 21 engagements of tooth and reducer 3, design has spline on the other end of gear shaft 15, be with compression tower spring 6 outward, by spline fitted the grinding disk 7 that interior design has spline is installed, grinding disk 7 connects with clutch part 14V shape, when the motor high-speed cruising, driven by motor clutch part 14 rotates promotion grinding disk 7 and moves, make 6 compressions of compression tower spring, thereby make the wearing piece 8 on the grinding disk 7 leave a gap with the break-in support 9 that electric motor end cap 10 is fixed together, automatic clutch is in not braking state, and motor 11 is by clutch part 14, grinding disk 7, gear shaft 15 sends power to reducer 3; When motor 11 outages stopped operating, grinding disk 7 and the engagement of clutch part 14V shape, compression tower spring 6 promoted the wearing piece 8 and the 9 friction brakes of break-in support on the grinding disk 7.
The explosion-proof stop that this optimum implementation rolling door opens and closes machine adopts the sealing ring seal protection, can prevent that extraneous inflammable gas from entering generation blast the stop 2 from the cable exit of stop housing 25; Design has explosion-proof mating face, can prevent that extraneous inflammable gas from entering generation blast in the stop 2.The explosion-proof stop that the utility model rolling door opens and closes machine is applicable to that the zone of containing damp uses, has explosion prevention function.
The explosion-proof stop that the utility model rolling door opens and closes machine is applied in the explosion-proof rolling door switching machine, being particularly useful for containing explosive gas mixture is IIA, IIB level, 1,2 zone of T1-T4 group, supporting motor is 0.25～4.5kW, supporting fire-proof motor directly connects with automatic clutch, and explosion-proof switching machine is at any time stopped; Explosion-proof stop is placed on the main frame with support, plays position-limiting action, determines the position of roller shutter by transferring cam; In outage, open and and close with crank.
Claims (2)
1, rolling door opens and closes the explosion-proof stop of machine, include wiring bucket (23), stop housing (25), stop lid (26), trimmer (27), travel switch (28), stop gear (29), axle sleeve (30), cam (31), worm gear (32), worm screw (33) and axle sleeve (34), it is characterized in that the stop cable exit that joins at stop housing (25) and wiring bucket (23), be equipped with sealing ring (24), sealing ring 24 will the stop inner walls in stop housing cable exit and between the cable shell in stop housing cable exit seal protection; Stop housing (25) and stop lid (26) mating face, axle sleeve (30) all are designed to explosion-proof mating face with worm screw (33) mating face, axle sleeve (34) with worm screw (33) mating face.
2. open and close the explosion-proof stop of machine according to the described rolling door of claim 1, the sealing ring (24) that it is characterized in that described stop (2) can adopt the rubber-like rubber seal, the seal protection circle that perhaps adopts other chemical materials with seal protection effect to make; The rubber-like rubber gasket can be adopted in explosion-proof mating face, perhaps adopts the bonding surface with high accuracy mating surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03214563 CN2623862Y (en) | 2003-01-07 | 2003-01-07 | Explosion-proof limiter for rolling shutter door switching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03214563 CN2623862Y (en) | 2003-01-07 | 2003-01-07 | Explosion-proof limiter for rolling shutter door switching machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2623862Y true CN2623862Y (en) | 2004-07-07 |
Family
ID=34242643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03214563 Expired - Fee Related CN2623862Y (en) | 2003-01-07 | 2003-01-07 | Explosion-proof limiter for rolling shutter door switching machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2623862Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101906928A (en) * | 2010-08-04 | 2010-12-08 | 宜昌四八二〇机电有限公司 | Anti-explosion door roller |
-
2003
- 2003-01-07 CN CN 03214563 patent/CN2623862Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101906928A (en) * | 2010-08-04 | 2010-12-08 | 宜昌四八二〇机电有限公司 | Anti-explosion door roller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |