CN103452471A - Revolving door mechanism for automatic entrance guard device - Google Patents
Revolving door mechanism for automatic entrance guard device Download PDFInfo
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- CN103452471A CN103452471A CN 201310419346 CN201310419346A CN103452471A CN 103452471 A CN103452471 A CN 103452471A CN 201310419346 CN201310419346 CN 201310419346 CN 201310419346 A CN201310419346 A CN 201310419346A CN 103452471 A CN103452471 A CN 103452471A
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- revolving door
- door
- entrance guard
- guard device
- little axle
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Abstract
The invention provides a revolving door mechanism for an automatic entrance guard device, which adopts the technical scheme that the revolving door mechanism for the automatic entrance guard device comprises a door spindle, a motor and a torque force transmission rod fixedly connected with the motor, the revolving door mechanism for the automatic entrance guard device is characterized in that the lower end of the torque force transmission rod is connected with a small shaft and a positioning plate coaxially fixed with the small shaft, a positioning notch is formed in the circumference of the lower end of the torque force transmission rod, and a positioning wheel is controlled by a torsion spring and matched with the positioning notch for accurate positioning during door spindle opening or closing; the upper and the lower gear shafts of a transmission are connected with the small shaft and an electromagnetic brake respectively, and the rotational speed of the lower gear shaft is faster than that of the upper gear shaft; the invention adopts the technical effects that the stopping accuracy of a revolving door is excellent, the repeatability of repeatedly opening or closing is better, a common friction brake type electromagnetic brake is adopted for replacing a castellated jaw clutch electromagnetic brake, and the mechanism noise is small.
Description
Technical field
The present invention relates to automatic gate inhibition's device technique, relate in particular to a kind of brake and detent mechanism of revolving door mechanism, particularly revolving door of automatic ticket checker.
Background technology
The public places such as rail traffic station are equipped with automatic ticket checker usually to be convenient for people to the self-service gate inhibition of passing through.Known, the revolution door type entrance guard device mainly drives door-hinge to rotate by motor, realizes the unlatching of fan door or closes, and what prior art adopted is castellated electromagnetic brake, when revolving door is opened or closed while putting in place by castellated electromagnetic brake brake.The electromagnetic brake that the disclosed a kind of door-hinge drive unit that is applied to the automatic fare collection gate of the patent documentation of publication number CN102839888A discloses is castellated electromagnetic brake.But during this castellated electromagnetic brake brake, teeth need engagement, could mesh after teeth can not normally mesh, and will produce a less additional rotation, and this has just affected the repeatability of revolving door stop position, and teeth can produce knocking noise while meshing.Existing friction catch formula electromagnetic brake, because outside dimension is larger, can't be assemblied in the middle of gate inhibition mechanism, less can assemble but brake force is inadequate, and revolving door can not rest on exactly to be opened or fastening position.
So those skilled in the art are necessary further to improve prior art, improve the degree of accuracy that puts in place of revolving door, the eliminating machine noise.
Summary of the invention
For the defect of above-mentioned prior art and the technical problem of existence, it is high that the technical problem that the present invention solves has been to provide when a kind of revolving door is opened or closed the degree of accuracy that puts in place, the revolving door mechanism that stop position is reproducible.
For solving the problems of the technologies described above, technical scheme of the present invention is: for the revolving door mechanism of automatic entrance guard device, comprise door-hinge, motor and the torque transmission bar be connected with it, it is characterized in that described torque transmission bar lower end connects little axle and reaches co-axially fixed positioning disk with it, its circumference has positioning recess, and locating wheel is controlled to coordinate with aforementioned positioning recess by torsion spring and is used for when door-hinge is opened or closed accurately locating; The upper and lower gear shaft of speed changer is connected with little axle and electromagnetic brake respectively, and its lower tooth wheel shaft rotating ratio axle rotating speed that cogs is fast.
Further technical scheme: described electromagnetic brake comprises brake stator and the armature hub be connected with speed changer lower tooth wheel shaft, and its integral sealing is installed in lubricating cup.
Further technical scheme: also comprise an encoder, its encoder synchronizing wheel is connected for detection of the door-hinge anglec of rotation by Timing Belt with the little axle synchronizing wheel on aforementioned little axle; Also comprise a photoelectric sensor, whether it coordinates for detection of door-hinge in closed condition with the shadow shield on coaxially being fixed in little axle.
Further technical scheme: aforementioned positioning recess is offered into a pair of positioning recess and the clamshell doors positioning recess of closing the door; The corresponding both sides that are arranged symmetrically in little axle of described locating wheel.
Technique effect of the present invention is: the technical program is set up positioning disk and locating wheel as detent mechanism, when revolving door is opened or is closed like this, locating wheel snaps in the recess of positioning disk, revolving door to stop accuracy better, and the repeatability of repeatedly opening or closing is also better; In addition, the technical program electromagnetic brake and speed changer combination, adjust the rotating speed of armature hub by speed changer, make electromagnetic brake brake block rotating ratio motor speed fast, thereby can be in the situation that the brake of employing same electromagnetic greatly increases brake torque, therefore adopt common friction catch formula electromagnetic brake that enough braking moments are just arranged, can substitute castellated clutch electromagnetic brake, save equipment cost; The 3rd, owing to having set up lubricating cup, during brake, between armature hub and brake stator, lubrication oil is arranged, substantially eliminated the brake noise, but because brake torque more very much not can reduce the brake accuracy.To sum up, the present invention's prior art of comparing has shown outstanding technique effect.
The accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present invention.
Fig. 2 is the superstructure schematic diagram of Fig. 1.
Fig. 3 is the polycrystalline substance schematic diagram of Fig. 1.
Fig. 4 is the A-A sectional structure schematic diagram of Fig. 1 or Fig. 3.
1. door-hinge, 11. revolving doors, 12. top of the trellis, 13. frame bottom, 14. supports, 15. electric machine joints, 16. base plates, 17. cover plates.
2. motor, 21. torque transmission bars.
3. photoelectric sensor, 31. shadow shields.
4. little axle, 41. little axle synchronizing wheels.
5. positioning disk, 51. positioning recess, 52. locating wheels, 53. torsion springs.
6. speed changer, 61. lower tooth wheel shafts.
7. electromagnetic brake, 71. brake stators, 72. armature hubs.
8. lubricating cup.
9. encoder, 91. encoder synchronizing wheels.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated, further illustrate advantage of the present invention and reach the outstanding contributions with respect to prior art, understandable, following embodiment is only the detailed description to the better embodiment of the present invention, should not be construed as any restriction to technical solution of the present invention.
As shown in Figure 1, a top of the trellis 12 and the frame bottom 13 of entrance guard device link into an integrated entity by support 14, revolving door 11 is fixed on the door-hinge 1 of hollow, direct current generator 2 and torque transmission bar 21 are arranged in door-hinge 1, and little axle 4, detent mechanism, speed changer 6, electromagnetic brake 7 etc. are arranged in frame bottom 13.
As shown in Figure 2 and in conjunction with Fig. 1, electric machine joint 15 is fixed on a top of the trellis 12 by pressing plate with shock-proof block, and motor 2 inputs are fixed together with screw and electric machine joint 15, and bearing and bearing supports are installed in electric machine joint 15 lower ends, and door-hinge 1 is inlayed and is enclosed within on bearing support.Torque transmission bar 21 is connected by shaft coupling with motor 2 output shafts, and door-hinge 1 lower end welding flange is connected by screw, liner plate and torque transmission bar 21.
As shown in Figure 3,4 and in conjunction with Fig. 1, torque transmission bar 21 lower ends are connected with little axle 4 by shaft coupling.Little axle 4 shaft block ring rigid bearing, bearing support is arranged on base plate 16, and base plate 16 is fixed in frame bottom 13.Be screwed encoder 9 on base plate 16, encoder synchronizing wheel 91 is connected by Timing Belt with little axle synchronizing wheel 41, when 4 rotation of little axle, detects axle door rotational angle for detection of the rotational angle of little axle 4 and whether reaches complete opening.Little axle 4 is coaxially also fixed a blanking disc 31, and whether it coordinates for detection of door-hinge 1 in closed condition with the flute profile photoelectric sensor 3 on being fixed on base plate 16.On little axle 4, axle sleeve also is housed and is used for welding positioning disk 5, positioning disk 5 circumference have 4 positioning recess 51, be respectively used to open the door and close the door location, the locating wheel 52 coordinated is with it stirred and is pressed in positioning recess 51 by the torsion spring 53 on being fixed on cover plate 17, locating wheel 52 itself is a rotating little bearing, can reduce frictional force like this.Cover plate 17 is fixing by connection bracket and base plate 16, screw fixed transmission 6 below it, the axle that cogs of speed changer 6 is connected with little axle 4, lower tooth wheel shaft 61 is connected by key with armature hub 72, the electromagnetic brake fixed head is connected with speed changer 6 by screw, brake stator 72 is fixed on the electromagnetic brake fixed head, and lubricating cup 8 is fixed on the electromagnetic brake fixed head by sealing ring, screw.Thereby the rotating speed that the design adjusts armature hubs 72 by speed changer 6 has greatly increased the brake torque of electromagnetic brake 7, thereby replaces castellated electric clutch-brake, in the present embodiment, its lower tooth wheel shaft 61 rotating ratios axle rotating speed that cogs is fast; When armature hub 72 is with 71 adhesive of brake stator in addition due to the effect of lubrication oil, the knocking noise while substantially having eliminated the laminating of brake block and brake stator 71.
The present invention is work like this: initial position, and revolving door is in closed condition, and now photoelectric sensor 3 is in sense state, and locating wheel 52 is pushed down in the positioning recess 51 of closing the door stirring of torsion spring 53.While opening the door, the master controller (not shown) makes direct current generator 2 forwards, revolving door 11 is opened, encoder synchronizing wheel 91 rotates simultaneously, when door-hinge 1 rotates to complete opening angle, encoder 9 sends signal, 72 energisings of master controller instruction armature hub and the 71 adhesive brakes of brake stator, and now locating wheel 52 snaps in the positioning recess 51 that opens the door to help revolving door 11 accurately to rest on opening position.Open the door after end, master controller instruction motor 2 reverses, when photoelectric sensor 3 is responded to again through blanking disc 31, and the brake of master controller instruction electromagnetic brake, locating wheel 52 snaps in the positioning recess 51 of closing the door, and revolving door 11 accurately rests on the position of closing the door.
The stop position that revolving door of the present invention is opened or closed is accurate, reproducible, and braking mechanism adopts common friction catch formula electromagnetic brake, and noise is low, and the user experiences, and the prior art of comparing has shown outstanding technological progress.
Below the preferred embodiment of the invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all modification be equal to or replacement under the prerequisite without prejudice to the invention spirit, and the modification that these are equal to or replacement all are included in the application's claim limited range.
Claims (4)
1. for the automatic revolving door mechanism of entrance guard device, comprise door-hinge (1), motor (2) and the torque transmission bar (21) be connected with it, it is characterized in that described torque transmission bar (21) lower end connects little axle (4) and reaches co-axially fixed positioning disk (5) with it, its circumference has positioning recess (51), and locating wheel (52) is controlled to coordinate with aforementioned positioning recess (51) by torsion spring (53) and is used for when door-hinge (1) is opened or closed accurately locating; The upper and lower gear shaft of speed changer (6) is connected with little axle (4) and electromagnetic brake (7) respectively, and its lower tooth wheel shaft (61) rotating ratio axle rotating speed that cogs is fast.
2. according to claim 1 for the automatic revolving door mechanism of entrance guard device, it is characterized in that described electromagnetic brake (7) comprises brake stator (71) and the armature hub (72) be connected with speed changer (6) lower tooth wheel shaft (61), its integral sealing is installed in lubricating cup (8).
3. according to claim 1 for the automatic revolving door mechanism of entrance guard device, characterized by further comprising an encoder (9), its encoder synchronizing wheel (91) is connected for detection of door-hinge (1) anglec of rotation by Timing Belt with the little axle synchronizing wheel (41) on aforementioned little axle (4); Also comprise a photoelectric sensor (3), whether it coordinates for detection of door-hinge (1) in closed condition with the shadow shield (31) on coaxially being fixed in little axle (4).
4. according to claim 1 for the automatic revolving door mechanism of entrance guard device, it is characterized in that aforementioned positioning recess (51) offers into a pair of positioning recess and the clamshell doors positioning recess of closing the door; The corresponding both sides that are arranged symmetrically in little axle (4) of described locating wheel (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310419346 CN103452471A (en) | 2013-09-13 | 2013-09-13 | Revolving door mechanism for automatic entrance guard device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310419346 CN103452471A (en) | 2013-09-13 | 2013-09-13 | Revolving door mechanism for automatic entrance guard device |
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| Publication Number | Publication Date |
|---|---|
| CN103452471A true CN103452471A (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201310419346 Pending CN103452471A (en) | 2013-09-13 | 2013-09-13 | Revolving door mechanism for automatic entrance guard device |
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| CN (1) | CN103452471A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670129A (en) * | 2013-12-24 | 2014-03-26 | 北京宝盾门业技术有限公司 | Rotation speed control system and method for manual rotating door |
| CN104832032A (en) * | 2015-05-07 | 2015-08-12 | 上海华铭智能终端设备股份有限公司 | Direct-drive type side-hung door control mechanism |
| CN106127912A (en) * | 2016-08-27 | 2016-11-16 | 广州同略信息科技有限公司 | There is the pass gates of finger vena identification function |
| CN106437376A (en) * | 2016-12-16 | 2017-02-22 | 钱月珍 | Self-fixing room door |
| CN106837053A (en) * | 2017-01-15 | 2017-06-13 | 佛山市佛禅健康管理有限公司 | A kind of mechanical unidirectional spacing dodge gate |
| CN106884610A (en) * | 2015-12-16 | 2017-06-23 | 上海怡力信息科技股份有限公司 | A kind of rotary door access control system revolving door device |
| CN111119641A (en) * | 2018-10-31 | 2020-05-08 | 富鼎电子科技(嘉善)有限公司 | Door leaf control device |
| CN111364913A (en) * | 2020-03-27 | 2020-07-03 | 上海华铭智能终端设备股份有限公司 | Door opening device and method and gate |
| CN111456616A (en) * | 2020-04-30 | 2020-07-28 | 河南职业技术学院 | Local current limiting device in scenic spot |
| CN111456615A (en) * | 2020-04-30 | 2020-07-28 | 河南职业技术学院 | Tourist attraction local number management device |
-
2013
- 2013-09-13 CN CN 201310419346 patent/CN103452471A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670129A (en) * | 2013-12-24 | 2014-03-26 | 北京宝盾门业技术有限公司 | Rotation speed control system and method for manual rotating door |
| CN104832032A (en) * | 2015-05-07 | 2015-08-12 | 上海华铭智能终端设备股份有限公司 | Direct-drive type side-hung door control mechanism |
| CN106884610B (en) * | 2015-12-16 | 2018-12-18 | 上海怡力信息科技股份有限公司 | A kind of rotary door access control system revolving door device |
| CN106884610A (en) * | 2015-12-16 | 2017-06-23 | 上海怡力信息科技股份有限公司 | A kind of rotary door access control system revolving door device |
| CN106127912A (en) * | 2016-08-27 | 2016-11-16 | 广州同略信息科技有限公司 | There is the pass gates of finger vena identification function |
| CN106127912B (en) * | 2016-08-27 | 2018-08-31 | 广州同略信息科技有限公司 | Pass gates with finger vena identification function |
| CN106437376B (en) * | 2016-12-16 | 2017-12-12 | 周宏� | Self-retaining door |
| CN106437376A (en) * | 2016-12-16 | 2017-02-22 | 钱月珍 | Self-fixing room door |
| CN106837053A (en) * | 2017-01-15 | 2017-06-13 | 佛山市佛禅健康管理有限公司 | A kind of mechanical unidirectional spacing dodge gate |
| CN111119641A (en) * | 2018-10-31 | 2020-05-08 | 富鼎电子科技(嘉善)有限公司 | Door leaf control device |
| CN111364913A (en) * | 2020-03-27 | 2020-07-03 | 上海华铭智能终端设备股份有限公司 | Door opening device and method and gate |
| CN111456616A (en) * | 2020-04-30 | 2020-07-28 | 河南职业技术学院 | Local current limiting device in scenic spot |
| CN111456615A (en) * | 2020-04-30 | 2020-07-28 | 河南职业技术学院 | Tourist attraction local number management device |
| CN111456615B (en) * | 2020-04-30 | 2021-12-28 | 北京巨臻实创文化科技有限公司 | Tourist attraction local number management device |
| CN111456616B (en) * | 2020-04-30 | 2022-03-04 | 上海约客文旅科技服务有限公司 | Local current limiting device in scenic spot |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131218 |