CN103104185A - Door rolling machine broken chain prevention tight-braking device - Google Patents
Door rolling machine broken chain prevention tight-braking device Download PDFInfo
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- CN103104185A CN103104185A CN2013100235500A CN201310023550A CN103104185A CN 103104185 A CN103104185 A CN 103104185A CN 2013100235500 A CN2013100235500 A CN 2013100235500A CN 201310023550 A CN201310023550 A CN 201310023550A CN 103104185 A CN103104185 A CN 103104185A
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- guide rod
- bearing
- door
- spring
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Abstract
The invention relates to a door rolling machine tight-braking device which is used for preventing a rolling door from falling freely when a chain in a transmission mechanism in the rolling door is broken. The door rolling machine tight-braking device comprises a supporting seat, a guide rod, a brake spring, a brake block, a rolling door driven chain wheel provided with a braking round table, a tensioning wheel, a tensioning spring and a tensioning supporting seat. The guide rod is arranged inside a supporting seat guide rail. The brake block is arranged on the end portion of the guide rod. The brake spring is connected with the guide rod in a sleeved mode. A tensioning supporting seat guide rail is arranged on the tensioning supporting seat. The tensioning wheel is arranged on the end portion of a guide rod of the tensioning wheel and is tightly pressed on the chain. The tensioning spring is connected on the guide rod of the tensioning wheel in a sleeved mode. A braking hole is formed in the lower end of the brake block. The tail portion of the guide rod of the tensioning wheel can be inserted into the braking hole to enable the brake block to be fixed above the tensioning supporting seat. When braking is carried out, the brake block is tightly pressed through the brake spring and is enabled to be attached to a cylindrical surface of the braking round table on the rolling door driven chain wheel, a way of generating frictional resistance is used for preventing the rolling door from falling, and the door rolling machine tight-braking device is simple in structure and high in safety factor.
Description
Technical field
The present invention relates to a kind of door-rolling machine safety guard, particularly a kind of for after door-rolling machine transmission mechanism chain breakage, prevent the free-falling door-rolling machine of the rolling door tight device of stopping.
Background technology
when driving chain arrives certain fatigue strength, will there be the potential safety hazard that disconnects at any time in electric roll-up door mechanism by driving chain drives, if door-rolling machine does not arrange safety device, rolling door can fall due to deadweight, and causes accident, the safety device that is applied to door-rolling machine of selling on market, the starting point of its safety and Protection is all to adopt a rigid device, when driving chain occurs to disconnect, directly rigid device is snapped between the gear teeth of rolling door driven wheel of door-rolling machine, stop the rolling door driven wheel to rotate by stuck mode, realize stoping rolling door to fall, this structure material to rigid device when design has very high requirement, if its material is defective, so under the effect of the impact force of rolling door driven wheel, rigid mechanism meeting fracture, do not have safety protection function at all, the present invention has designed a kind of structure, and its mode by frictional resistance stops rolling door to fall, and this structure is in the process that stops rolling door to fall, and the impact force that is subject to is little, has improved to a certain extent whole safety factor.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of simple in structure, and the anti-chain rupture of the door-rolling machine that safety factor is high is stopped and tightly installed.
For solving the problems of the technologies described above, the present invention realizes as follows: the anti-chain rupture of a kind of door-rolling machine of the present invention tight device of stopping comprises rolling door driven sprocket, regulating wheel, tensioning spring and the tensioning bearing of bearing, guide rod, band-type brake spring, brake shoe, band brake round platform; Described bearing is fixedly connected on mounting base, is provided with the bearing guide rail on bearing; Described guide rod is arranged in the bearing guide rail, and along the bearing guide rail movement, the end of guide rod is provided with brake shoe, is socketed with the band-type brake spring on guide rod; Described tensioning bearing is fixedly connected on mounting base, is provided with tensioning bearing guide rail on the tensioning bearing; Described regulating wheel is arranged at regulating wheel guide rod end, and is pressed on chain; The regulating wheel guide rod is installed in tensioning bearing guide rail, along tensioning bearing guide rail movement; Described tensioning spring is socketed on the regulating wheel guide rod; Described brake shoe lower end is provided with brake hole, and regulating wheel guide rod afterbody can insert in brake hole, and brake shoe is fixed in above the tensioning bearing.
Be provided with crown face groove on described brake shoe, it can fit on the face of cylinder of the braking round platform on the rolling door driven sprocket, coordinates braking with the braking round platform.
Described band-type brake spring is arranged between brake shoe and bearing, is thrust spring.
Described tensioning spring is arranged between regulating wheel and brake shoe, is thrust spring.
Good effect of the present invention: the anti-chain rupture of a kind of door-rolling machine of the present invention tight apparatus structure of stopping is simple, by band-type brake spring compression brake shoe, make on its face of cylinder that fits in the braking round platform on the rolling door driven sprocket, the mode that produces frictional resistance stops rolling door to fall, this structure is in the process that stops rolling door to fall, and the impact force that is subject to is little, has improved to a certain extent whole safety factor, and cost is low, is suitable for extensive popularization.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Fig. 1 is structural representation a of the present invention
Structural representation when Fig. 2 is normal operation of the present invention
Structural representation when Fig. 3 is brake shoe locking of the present invention
In figure, 1 mounting base 2 motor-driven sprocket wheel 3 bearings
4 guide rod 5 band-type brake spring 6 brake shoes
7 rolling door driven sprocket 8 regulating wheel 9 tensioning springs
10 tensioning bearing 11 chain 12 braking round platforms
The specific embodiment:
As shown in Figure 1 to Figure 3, the anti-chain rupture of a kind of door-rolling machine of the present invention tight device of stopping comprises rolling door driven sprocket (7), regulating wheel (8), tensioning spring (9) and the tensioning bearing (10) of bearing (3), guide rod (4), band-type brake spring (5), brake shoe (6), band brake round platform (12); Described bearing (3) is fixedly connected on mounting base (1), and bearing is provided with the bearing guide rail on (3); Described guide rod (4) is arranged in the bearing guide rail, and along the bearing guide rail movement, the end of guide rod (4) is provided with brake shoe (6), is socketed with band-type brake spring (5) on guide rod (4); Described tensioning bearing (10) is fixedly connected on mounting base (1), is provided with tensioning bearing guide rail on tensioning bearing (10); Described regulating wheel (8) is arranged at regulating wheel guide rod end, and is pressed on chain (11); The regulating wheel guide rod is installed in tensioning bearing guide rail, along tensioning bearing guide rail movement; Described tensioning spring (9) is socketed on the regulating wheel guide rod; Described brake shoe (6) lower end is provided with brake hole, and regulating wheel guide rod afterbody can insert in brake hole, and brake shoe (6) is fixed in above tensioning bearing (10).
Described brake shoe is provided with crown face groove on (6), and it can fit on the face of cylinder of the braking round platform (12) on rolling door driven sprocket (7), coordinates braking with braking round platform (12).
Described band-type brake spring (5) is arranged between brake shoe (6) and bearing (3), is thrust spring.
Described tensioning spring (9) is arranged between regulating wheel (8) and brake shoe (6), is thrust spring.
The course of work of the present invention:
The anti-chain rupture of a kind of door-rolling machine of the present invention is stopped and is tightly installed, under normal operating condition, power is via motor-driven sprocket wheel (2), pass to rolling door driven sprocket (7) by chain (11), rolling door driven sprocket (7) drives the roller shutter door-hinge and rotates the lifting that realizes rolling door; As shown in Figure 2, under normal operating condition, regulating wheel (8) is pressed on chain (11), effect by tensioning spring (9), make the afterbody of regulating wheel guide rod insert in the brake hole of brake shoe (6) lower end, brake shoe (6) is positioned tensioning bearing (10) top, and brake shoe (6) is not fitted with braking round platform (12) this moment; When chain occurs to disconnect, as shown in Figure 3, under the effect of tensioning spring (9), regulating wheel guide rod and regulating wheel (8) are flicked, the afterbody of regulating wheel guide rod leaves the brake hole of brake shoe (6) lower end, thereby under the effect of band-type brake spring (5), the brake shoe (6) that is fixed in guide rod (4) end will fit on the face of cylinder of the braking round platform (12) on rolling door driven sprocket (7), coordinate braking with braking round platform (12).
Some principles of work and power that tight device is stopped in the anti-chain rupture of a kind of door-rolling machine that the present invention that just explains through diagrams recited above is correlated with; owing to being easy to carry out on this basis some modifications concerning the technician in constructed field; therefore this manual do not really want with the anti-chain rupture of a kind of door-rolling machine of the present invention stop tight device be confined to shown in or in described concrete mechanism and the scope of application; therefore every corresponding modify that may be utilized and equivalent all belong to the protection domain of patent of the present invention.
Claims (4)
1. the anti-chain rupture of door-rolling machine is stopped and is tightly installed, and it is characterized in that: the rolling door driven sprocket, regulating wheel, tensioning spring and the tensioning bearing that comprise bearing, guide rod, band-type brake spring, brake shoe, band brake round platform; Described bearing is fixedly connected on mounting base, is provided with the bearing guide rail on bearing; Described guide rod is arranged in the bearing guide rail, and along the bearing guide rail movement, the end of guide rod is provided with brake shoe, is socketed with the band-type brake spring on guide rod; Described tensioning bearing is fixedly connected on mounting base, is provided with tensioning bearing guide rail on the tensioning bearing; Described regulating wheel guide rod is installed in tensioning bearing guide rail, along tensioning bearing guide rail movement; Described tensioning spring is socketed on the regulating wheel guide rod; Described regulating wheel is arranged at regulating wheel guide rod end, and is pressed on chain; Described brake shoe lower end is provided with brake hole, and regulating wheel guide rod afterbody inserts in brake hole, and brake shoe is fixed in above the tensioning bearing.
2. the anti-chain rupture of a kind of door-rolling machine according to claim 1 is stopped and is tightly installed, and it is characterized in that: be provided with crown face groove on described brake shoe, it can fit on the face of cylinder of the braking round platform on the rolling door driven sprocket, coordinates braking with the braking round platform.
3. the anti-chain rupture of a kind of door-rolling machine according to claim 1 is stopped and is tightly installed, and it is characterized in that: described band-type brake spring is arranged between brake shoe and bearing, is thrust spring.
4. the anti-chain rupture of a kind of door-rolling machine according to claim 1 is stopped and is tightly installed, and it is characterized in that: described tensioning spring is arranged between regulating wheel and brake shoe, is thrust spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310023550.0A CN103104185B (en) | 2013-01-23 | 2013-01-23 | A kind of door-rolling machine chain broken prevention is stopped tight device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310023550.0A CN103104185B (en) | 2013-01-23 | 2013-01-23 | A kind of door-rolling machine chain broken prevention is stopped tight device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103104185A true CN103104185A (en) | 2013-05-15 |
| CN103104185B CN103104185B (en) | 2015-11-25 |
Family
ID=48312351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310023550.0A Active CN103104185B (en) | 2013-01-23 | 2013-01-23 | A kind of door-rolling machine chain broken prevention is stopped tight device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103104185B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005585A (en) * | 2014-05-29 | 2014-08-27 | 王忠利 | Gear lock device |
| CN104150150A (en) * | 2014-08-01 | 2014-11-19 | 华中科技大学 | Automatic-guide feeding mechanism |
| CN104596292A (en) * | 2015-01-10 | 2015-05-06 | 长兴鑫宇耐火材料有限公司 | Braking device of gate of full-automatic high-temperature kiln |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5706552A (en) * | 1996-08-30 | 1998-01-13 | Hsieh; Tsung-Wen | Apparatus for preventing a motor rolling door from falling |
| CN2286237Y (en) * | 1996-12-20 | 1998-07-15 | 汕头经济特区龙亨自动门窗有限公司 | Chain breakage proof protector for electric rolling machine for door |
| WO2003096954A2 (en) * | 2002-05-20 | 2003-11-27 | T.G.R. S.R.L. | Safety device for motor-driven tracked carriages |
| CN2844386Y (en) * | 2005-12-09 | 2006-12-06 | 北京繁星特奇门业有限公司 | Rope-cut safety device |
-
2013
- 2013-01-23 CN CN201310023550.0A patent/CN103104185B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5706552A (en) * | 1996-08-30 | 1998-01-13 | Hsieh; Tsung-Wen | Apparatus for preventing a motor rolling door from falling |
| CN2286237Y (en) * | 1996-12-20 | 1998-07-15 | 汕头经济特区龙亨自动门窗有限公司 | Chain breakage proof protector for electric rolling machine for door |
| WO2003096954A2 (en) * | 2002-05-20 | 2003-11-27 | T.G.R. S.R.L. | Safety device for motor-driven tracked carriages |
| CN2844386Y (en) * | 2005-12-09 | 2006-12-06 | 北京繁星特奇门业有限公司 | Rope-cut safety device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005585A (en) * | 2014-05-29 | 2014-08-27 | 王忠利 | Gear lock device |
| CN104005585B (en) * | 2014-05-29 | 2016-06-08 | 王忠利 | A kind of gear lock device |
| CN104150150A (en) * | 2014-08-01 | 2014-11-19 | 华中科技大学 | Automatic-guide feeding mechanism |
| CN104596292A (en) * | 2015-01-10 | 2015-05-06 | 长兴鑫宇耐火材料有限公司 | Braking device of gate of full-automatic high-temperature kiln |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103104185B (en) | 2015-11-25 |
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Denomination of invention: Door rolling machine broken chain prevention tight-braking device Effective date of registration: 20160906 Granted publication date: 20151125 Pledgee: Bank of Communications Ltd Zhangzhou branch Pledgor: Zhangzhou Jinan Electric & Machine Co., Ltd. Registration number: 2016350000097 |
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