CN101906928A - Anti-explosion door roller - Google Patents
Anti-explosion door roller Download PDFInfo
- Publication number
- CN101906928A CN101906928A CN 201010245601 CN201010245601A CN101906928A CN 101906928 A CN101906928 A CN 101906928A CN 201010245601 CN201010245601 CN 201010245601 CN 201010245601 A CN201010245601 A CN 201010245601A CN 101906928 A CN101906928 A CN 101906928A
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- gear
- explosion
- door roller
- explosion door
- lock collar
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Abstract
The invention discloses an anti-explosion door roller and relates to an electric rolling door opening and closing machine. An anti-explosion special motor is connected with a brake device; the brake device is connected with a speed reducing device; the speed reducing device is connected with a limiting device; in the limiting device, a limiting gear is connected with a limiting cam by a worm gear and worm mechanism; the limiting cam is matched with a travel switch; and a cover plate is in full-seal connection with a base. The anti-explosion door roller is provided with the special anti-explosion special motor, an anti-explosion special stopper, a pouring steel structure type speed reducer and an integral steel structure type brake device, and a power-off preventing self weight lowering device is arranged in the brake device, can lower and close a door opening by self weight in an emergency power-off state to eliminate a potential safety hazard.
Description
Technical field
The present invention relates to a kind of power type rolling door headstock gear, particularly a kind ofly be applicable to anti-explosion door roller inflammable, explosive and that have serious dust-like occasion to use.
Background technology
At present, both at home and abroad all kinds of fire-type door-rolling machines of producing only are applicable to common fireproof occasions, and the main distinction of it and anti-explosion door roller is on position limiter device and two positions of explosion-proof motor special.The production of these two parts must be by the detection of professional explosion-proof testing agency of country, and the explosion-proof production licence of qualified after discharge specialty just can be produced.The detection approval that existing common fire-retardant folding door made machine then only needs the fire curtain controller to obtain national associated mechanisms gets final product production and selling, the stop of common fire-retardant folding door made machine and the termination of motor are not full-enclosed structures, do not have the security protection effect in inflammable and explosive and high dust occasion.
Summary of the invention
Technical problem to be solved by this invention provides a kind of anti-explosion door roller, and protective capacities is poor in the time of can solving common in the past fire-retardant folding door made opportunity naked light and inflammable gas, the shortcoming of poor work stability.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of anti-explosion door roller, and explosion-proof motor special is connected with check mechanism, and check mechanism is connected with deceleration device, and deceleration device is connected with stopping means; In the described stopping means, position limited gear is connected with limit cam by worm-and-wheel gear, and limit cam cooperates with travel switch, and cover plate is connected with base is hermetically sealed.
Described cover plate and base are HT200 casting pig, are provided with rubber washer and Taper Pipe nut at the wire hole place.
Described limit cam is two, and the travel switch of Pei Heing also is two with it.
Described limit cam is provided with two relative deep-slotted chip breakers, and screw passes deep-slotted chip breaker and is connected with worm gear in the worm-and-wheel gear.
Input gear shaft and chopped-off head helical gear engagement in the described deceleration device, the chopped-off head helical gear is connected with gear shaft, gear shaft and the engagement of secondary helical gear, secondary helical gear is connected with sprocket wheel by axle, also establish initiatively position limited gear on the axle, initiatively position limited gear is connected with position limited gear in the stopping means by gear.
Input gear shaft, chopped-off head helical gear, gear shaft and secondary helical gear are helical gear.
In the described check mechanism, be installed on the input gear shaft from lock collar, electric machine joint is installed on the axle of explosion-proof motor special, outside lock collar and electric machine joint, sleeve is installed, electric machine joint also is equipped with the dial dial outward and is connected with the handle shift fork, between lock collar and sleeve, be provided with friction plate, be provided with volute spring from the lock collar opposite side.
Described tapered from lock collar and the contact surface that pulls between the sprocket wheel.
A kind of anti-explosion door roller provided by the invention, special explosion-proof motor special, explosion-proof special-purpose stop have been adopted, water steel formula steel work formula reducer, whole steel work formula check mechanism, device is transferred in the deadweight that is provided with anti-power failure in check mechanism, under the emergency power off state, can conduct oneself with dignity to transfer and close door opening, eliminate safe hidden trouble.
Explosion-proof motor special is a three phase electric machine, and working form is the S1 formula, is the formula of working long hours, can continuous operation.
The base of stopping means, cover plate material are HT200 casting pig, and its thickness reaches more than the 8.5mm, after base and cover plate machine, with screw two are linked into an integrated entity, do air seal test by the air compressor machine pressurization, reaching setting value can use, thereby has improved safety guarantee more.This stopping means adopts the spacing working method of cam-type, and this mode is spacing to have accurately and reliably spacing, easy to adjust advantage.Because having wire hole can produce the slit contacts with extraneous, for preventing the infiltration of flammable explosive gas, join a rubber washer at the outlet nose end, all control lines are all drawn from packing ring, Taper Pipe nut compression seal packing ring is adopted in the rear end, stop entering of ambient atmos by the shrinkage strain of rubber washer, thereby play the purpose of safety anti-explosive.
Deceleration device design of the present invention is succinct practical, improve on the basis of original straight-tooth transmission, be designed to the helical teeth transmission, the helical teeth transmission has the following advantages with respect to the straight-tooth transmission: the operation noise obviously reduces, by original 〉=80dB till now≤60dB, assembling, maintenance are easily.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present invention.
Fig. 2 is the front view of stopping means among the present invention.
Fig. 3 is the vertical view of stopping means among the present invention.
Fig. 4 is the front view of deceleration device among the present invention.
Fig. 5 is the front view of check mechanism among the present invention.
The specific embodiment
In Fig. 1, a kind of anti-explosion door roller, explosion-proof motor special 4 is connected with check mechanism 3, and check mechanism 3 is connected with deceleration device 2, and deceleration device 2 is connected with stopping means 1; In Fig. 2, Fig. 3, in the described stopping means 1, position limited gear 15 is connected with limit cam 11 by worm-and-wheel gear, and limit cam 11 cooperates with travel switch 12, cover plate 13 and 14 hermetically sealed connections of base.Described cover plate 13 and base 14 are HT200 casting pig, are provided with rubber washer 16 and Taper Pipe nut 17 at the wire hole place.Described limit cam 11 is two, and the travel switch 12 of Pei Heing also is two with it.Described limit cam 11 is provided with two relative deep-slotted chip breakers, and screw passes deep-slotted chip breaker and is connected with worm gear in the worm-and-wheel gear.This connected mode is convenient to regulate spacing height.
In Fig. 4, input gear shaft 27 and 26 engagements of chopped-off head helical gear in the described deceleration device 2, chopped-off head helical gear 26 is connected with gear shaft 25, gear shaft 25 and secondary helical gear 24 engagements, secondary helical gear 24 is connected with sprocket wheel 21 by axle 23, axle is also established initiatively position limited gear 22 on 23, and initiatively position limited gear 22 is connected with position limited gear 15 in the stopping means 1 by gear.Input gear shaft 27, chopped-off head helical gear 26, gear shaft 25 and secondary helical gear 24 are helical gear.
In Fig. 5, in the described check mechanism 3, be installed on the input gear shaft 27 from lock collar 32, electric machine joint 35 is installed on the axle of explosion-proof motor special 4, outside lock collar 32 and electric machine joint 35, sleeve 38 is installed, outside the electric machine joint 35 dial 37 dials 37 are installed also and are connected, between lock collar 32 and sleeve 38, be provided with friction plate 33, be provided with volute spring 31 from lock collar 32 opposite sides with handle shift fork 36.Described tapered from lock collar 32 and the contact surface that pulls between the sprocket wheel 34, be convenient to dial 37 with coaxial from lock collar 32.
The course of work of the present invention is: after explosion-proof motor special 4 starts, push inclined-plane on lock collar 32 open by electric machine joint 35, friction plate 33 on lock collar 32 is thrown off with sleeve 38, power passes to input gear shaft 27 through electric machine joint 35, input gear shaft 27 passes to chopped-off head helical gear 26 by gears engaged, the chopped-off head helical gear 26 coaxial gear shafts 25 that pass to, gear shaft 25 passes to secondary helical gear 24 by gears engaged, secondary helical gear 24 passes to sprocket wheel 21 by axle 23, and complete machine is started working.Deceleration device adopts 3 grades of ways of deceleration, and total reduction ratio reaches 285.85.
When 22 rotations of the active position limited gear on the axle 23, drive position limited gear 15 rotations by gears engaged, position limited gear 15 drives the worm screw rotation in the stopping means 1, the limit cam 11 that worm screw drives on the worm gear rotates, when forwarding the spacing position that needs to, limit cam 11 depression stroke switches 12 are cut off the electricity supply, thereby realize spacing function.When needs are adjusted spacing height, can unclamp the screw on the limit cam 11 earlier, the position of manual adjustments limit cam 11, thus adjust spacing height.
When needing braking, first deenergization, electric machine joint 35 is lacking return under the situation of end thrust, fits with sleeve 38 from lock collar 32 friction plate 33 under the effect of volute spring 31, plays braking effect.Under the state of emergency power off, the handle shift fork 36 of can leaving behind, handle shift fork 36 drive dial 37 makes the friction plate 33 on lock collar 32 throw off with sleeve 38, and the door sheet falls by deadweight, closes door opening.When needs were manually opened, pulling pulled the chain in the sprocket wheel 34, the handle shift fork 36 of leaving behind simultaneously, and a door sheet rises manually.
Claims (8)
1. anti-explosion door roller, it is characterized in that: explosion-proof motor special (4) is connected with check mechanism (3), and check mechanism (3) is connected with deceleration device (2), and deceleration device (2) is connected with stopping means (1);
In the described stopping means (1), position limited gear (15) is connected with limit cam (11) by worm-and-wheel gear, and limit cam (11) cooperates with travel switch (12), cover plate (13) and hermetically sealed connection of base (14).
2. a kind of anti-explosion door roller according to claim 1 is characterized in that: described cover plate (13) and base (14) are HT200 casting pig, are provided with rubber washer (16) and Taper Pipe nut (17) at the wire hole place.
3. a kind of anti-explosion door roller according to claim 1 is characterized in that: described limit cam (11) is two, and the travel switch of Pei Heing (12) also is two with it.
4. according to claim 1 or 3 described a kind of anti-explosion door rollers, it is characterized in that: described limit cam (11) is provided with two relative deep-slotted chip breakers, and screw passes deep-slotted chip breaker and is connected with worm gear in the worm-and-wheel gear.
5. a kind of anti-explosion door roller according to claim 1, it is characterized in that: input gear shaft (27) and chopped-off head helical gear (26) engagement in the described deceleration device (2), chopped-off head helical gear (26) is connected with gear shaft (25), gear shaft (25) and secondary helical gear (24) engagement, secondary helical gear (24) is connected with sprocket wheel (21) by axle (23), axle is also established initiatively position limited gear (22) on (23), and initiatively position limited gear (22) is connected with position limited gear (15) in the stopping means (1) by gear.
6. a kind of anti-explosion door roller according to claim 5 is characterized in that: input gear shaft (27), chopped-off head helical gear (26), gear shaft (25) and secondary helical gear (24) are helical gear.
7. a kind of anti-explosion door roller according to claim 1, it is characterized in that: in the described check mechanism (3), be installed on the input gear shaft (27) from lock collar (32), electric machine joint (35) is installed on the axle of explosion-proof motor special (4), outside lock collar (32) and electric machine joint (35), sleeve (38) is installed, outside the electric machine joint (35) dial (37) dial (37) being installed also is connected with handle shift fork (36), between lock collar (32) and sleeve (38), be provided with friction plate (33), be provided with volute spring (31) from lock collar (32) opposite side.
8. a kind of anti-explosion door roller according to claim 7 is characterized in that: described contact surface between lock collar (32) and dial (37) is tapered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010245601 CN101906928A (en) | 2010-08-04 | 2010-08-04 | Anti-explosion door roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010245601 CN101906928A (en) | 2010-08-04 | 2010-08-04 | Anti-explosion door roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101906928A true CN101906928A (en) | 2010-12-08 |
Family
ID=43262496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010245601 Pending CN101906928A (en) | 2010-08-04 | 2010-08-04 | Anti-explosion door roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101906928A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5228492A (en) * | 1991-10-03 | 1993-07-20 | Jou Ming Sen | Electric rolling steel door safety stopping device |
| JP2000145336A (en) * | 1998-11-16 | 2000-05-26 | Sanwa Shutter Corp | Electrically driven opening and closing device for construction |
| CN2623862Y (en) * | 2003-01-07 | 2004-07-07 | 烟台电机有限公司 | Explosion-proof limiter for rolling shutter door switching machine |
| CN2746086Y (en) * | 2004-11-30 | 2005-12-14 | 浙江先锋机械厂 | Limit device of door opening apparatus |
| CN2895685Y (en) * | 2006-03-30 | 2007-05-02 | 洪力 | Mechanical interlink type electric gate-rolling machine capable of exact positioning |
| CN201383734Y (en) * | 2009-03-24 | 2010-01-13 | 浙江康明斯机械有限公司 | Two-stage helical gear speed reduction motor |
| CN201723137U (en) * | 2010-08-04 | 2011-01-26 | 宜昌四八二〇机电有限公司 | Explosion-proof rolling machine |
-
2010
- 2010-08-04 CN CN 201010245601 patent/CN101906928A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5228492A (en) * | 1991-10-03 | 1993-07-20 | Jou Ming Sen | Electric rolling steel door safety stopping device |
| JP2000145336A (en) * | 1998-11-16 | 2000-05-26 | Sanwa Shutter Corp | Electrically driven opening and closing device for construction |
| CN2623862Y (en) * | 2003-01-07 | 2004-07-07 | 烟台电机有限公司 | Explosion-proof limiter for rolling shutter door switching machine |
| CN2746086Y (en) * | 2004-11-30 | 2005-12-14 | 浙江先锋机械厂 | Limit device of door opening apparatus |
| CN2895685Y (en) * | 2006-03-30 | 2007-05-02 | 洪力 | Mechanical interlink type electric gate-rolling machine capable of exact positioning |
| CN201383734Y (en) * | 2009-03-24 | 2010-01-13 | 浙江康明斯机械有限公司 | Two-stage helical gear speed reduction motor |
| CN201723137U (en) * | 2010-08-04 | 2011-01-26 | 宜昌四八二〇机电有限公司 | Explosion-proof rolling machine |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20101208 |