CN102303801A - Super low speed anti-falling safety device - Google Patents
Super low speed anti-falling safety device Download PDFInfo
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- CN102303801A CN102303801A CN201010591906A CN201010591906A CN102303801A CN 102303801 A CN102303801 A CN 102303801A CN 201010591906 A CN201010591906 A CN 201010591906A CN 201010591906 A CN201010591906 A CN 201010591906A CN 102303801 A CN102303801 A CN 102303801A
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Abstract
The invention relates to a super low speed anti-falling safety device. The device comprises a safety device shell, a braking gear, a gear ring, a large bearing, a centrifugal block seat and a centrifugal block which are arranged in the shell, and a planetary gear acceleration mechanism which is arranged between the braking gear and a centrifugal speed control mechanism of the safety device. A sun wheel shaft in the planetary gear acceleration mechanism and a central gear shaft form a whole body; a planetary carrier is borne on a rolling bearing and the large bearing; and a planetary wheel is connected with the gear ring in an internal meshing mode and connected with the sun wheel shaft in an external meshing mode. The braking gear is connected with the planetary carrier and drives the planetary carrier to rotate in the same direction, and is axially fixed with the planetary carrier by a check ring; the planetary carrier drives the planetary wheel to rotate by a planetary wheel shaft; and the planetary wheel drives the sun wheel shaft to rotate in an accelerating mode. By adding the planetary gear acceleration mechanism, the low speed rotation of the braking gear is converted into high speed rotation, and the super low speed anti-falling safety device is used for constructing lifting platforms or low speed lifters, is stable in acting speed and convenient to arrange and disassemble, and has a rational structure and light self weight.
Description
Technical field
The present invention relates to the vertical transportation machinery falling-proof safety device, particularly a kind of Ultra-Low Speed gear rack type construction elevator or construction lift work flat-bed anti-falling safety device.
Background technology
Along with the development of buildings decoration operating technique, a kind of building operation lifting table that is used to replace scaffold has appearred, and the use of lifting table greatly reduces the transportation of scaffold and the work capacity of setting up, and bigger market development prospect is arranged.But the flat-bed safe operation is related to personnel's security of the lives and property.Because the flat-bed running velocity is very low; Requirement according to GB declaration original text " lifting working platform for construction "; The running velocity of lifting table is no more than 0.2m/s; The responsiveness of stipulating safety thus must not surpass 0.5m/s, and its desirable responsiveness should be in 0.25m/s ~ 0.30m/s scope.Traditional anti-falling safety device receives the influence of centrifugal deadweight; Minimum stable running velocity is about 0.8m/s; Can't satisfy the needs of lifting table protection, influence the development of lifting table and relevant operating technique, therefore be necessary to research and develop a kind of anti-falling safety device of low velocity.
In addition; Similar anti-falling safety device the used quincunx overspeed governor of a kind of window cleaning equipment hanging basket arranged at present; Owing to there is defectives such as volume is big, cost is high, poor reliability, the more difficult verification experimental verification in scene, can not be applicable to gear rack type construction elevator or construction lift work platform.
Summary of the invention
Task of the present invention provides a kind of Ultra-Low Speed anti-falling safety device; Its responsiveness is stable, rational in infrastructure, deadweight is light, be fit to low speed and Ultra-Low Speed work, solved the problem that existing all kinds of pinion and-rack elevators, construction lifting table falling-proof safety technology and device lack.
Technical solution of the present invention is following:
A kind of Ultra-Low Speed anti-falling safety device; Comprise the safer body; The spragging gear settled of enclosure interior, gear ring, big bearing, centrifugal block and centrifugal also comprise the planetary wheel speed increasing mechanism outside, set up between safety spragging gear and centrifugal speed control mechanism;
Said planetary wheel speed increasing mechanism comprises sun wheel shaft, antifriction-bearing box, pinion carrier, planet wheel spindle and satellite gear; Sun wheel shaft is placed in the center in the body skin; Sun wheel shaft and sun gear shaft are integrally formed; Pinion carrier is bearing on antifriction-bearing box and the big bearing, is connected with a joggle in satellite gear and the gear ring, and satellite gear also is connected with the sun wheel shaft external toothing;
Said spragging gear is connected with pinion carrier and drives it does equidirectional rotation, and spragging gear and pinion carrier are used the back-up ring axial restraint, and pinion carrier drives satellite gear through planet wheel spindle and rotates, and satellite gear drives the sun wheel shaft speedup and rotates;
Said centrifugal block is installed on the sun gear shaft with axial back-up ring; Sun gear shaft is the end that sun wheel shaft is installed in the centrifugal speed control mechanism; Be bearing in the taper brake wheel and it is circumferentially free to rotate through bearing; Centrifugal is bearing on the centrifugal block and with sun wheel shaft through drag hook and together rotates, and between drag hook and centrifugal block, the speed setting spring is installed;
The corresponding inner side gummed of said body skin and taper brake wheel lateral surface is provided with friction lining;
The end face of said taper brake wheel has screw rod; Centrifugal block and centrifugal inboard that is installed in the taper brake wheel; The pressurizing nut that links to each other through the resistance change is housed on the end face screw rod of taper brake wheel; Between pressurizing nut and body skin, disk spring is housed, the predetermincd tension through disk spring makes the taper brake wheel contact with friction lining, and the resistance change is provided with long handle.
Said spragging gear is connected with pinion carrier through spline or flat key.
Said centrifugal block is installed on the sun gear shaft through flat key and axial back-up ring.
The long handle of said resistance change partly is provided with a set screw.
The planar section of said body skin small end is equipped with margin microswich.
Said centrifugal with centrifugal block between be connected with drag hook through spring.
The present invention is a kind of gradual anti-falling safety device of be used to construct lifting table or low speed elevation machine.When the running velocity of construction lifting table or low speed elevation machine reaches the protection speed of safety device, the safety action, lock torque is along with the increase of braking displacement increases to reach the purpose of gradual braking gradually.
Ultra-Low Speed anti-falling safety device of the present invention is between common safety spragging gear and centrifugal speed control mechanism, to set up the planetary wheel speed increasing mechanism, and the low speed rotation of spragging gear is converted into high speed revolution.The brake portion of safety has suitably reduced volume, uses original small dimension safety simultaneously, and the brake screw part suitably extends.Mounting flange is used common safety flange, and the installation dimension of original safety is remained unchanged.
Ultra-Low Speed anti-falling safety device of the present invention is applicable to the fall arrest safety guard-safeguard of Ultra-Low Speed pinion and-rack elevator, construction lifting table or window cleaning equipment hanging basket; When being applied to the overspeed protection of window cleaning equipment hanging basket, the more original quincunx overspeed governor of its performance is good.Ultra-Low Speed anti-falling safety device of the present invention is applicable to multiple use.
Ultra-Low Speed anti-falling safety device responsiveness of the present invention is stable, rational in infrastructure, deadweight is light, be fit to low speed and Ultra-Low Speed work, and concrete advantage is following:
1, Ultra-Low Speed safety precaution effect is obvious, and the low speed responsiveness is stable.
2, installation dimension is identical with former common safety, is convenient to the production applying unit and uses flexibly.
3, the brake portion volume is little, in light weight, installation and removal convenient, and has alleviated cage or flat-bed deadweight.
4, the Series Design of modularization has reduced the quantity of part, is convenient to manufacture.
Description of drawings
Fig. 1 is the axial cutaway view of a kind of Ultra-Low Speed anti-falling safety device of the present invention, is gear ring and housing one-piece construction form.
Fig. 2 is the A-A cutaway view among Fig. 1.
Fig. 3 is the scheme drawing of the another kind of version of safety profile of the present invention and housing.
Fig. 4 is that C among Fig. 3 is to view.
Fig. 5 is the scheme drawing of the another kind of version of safety spragging gear of the present invention and pinion carrier.
Reference numeral:
1 is back-up ring, and 2 is spragging gear, and 3 is gear ring, and 4 is satellite gear, and 5 is planet wheel spindle, and 6 is body skin; 7 are the taper brake wheel, and 8 is pressurizing nut, and 9 are the resistance change, and 10 is disk spring, and 11 is bearing; 12 is friction lining, and 13 for sun wheel shaft is a sun gear shaft, and 14 is antifriction-bearing box, and 15 is pinion carrier, and 16 is big bearing; 17 is centrifugal block, and 18 is flat key, and 19 are the speed setting spring, and 20 is axial back-up ring, and 21 is drag hook; 22 is centrifugal, and 23 is screw, and 24 are the insurance reed, and 25 is set screw, and 26 is margin microswich.
The specific embodiment
Referring to Fig. 1 and Fig. 2; The present invention provides a kind of Ultra-Low Speed anti-falling safety device; Mainly by safer body 6, spragging gear 2, gear ring 3, big bearing 16, comprise that centrifugal block 17, centrifugal 22 parts such as centrifugal speed control mechanism and planetary wheel speed increasing mechanism form; Spragging gear 2 is placed on the pinion carrier 15, and the planetary wheel speed increasing mechanism is set up between safety spragging gear 2 and centrifugal speed control mechanism.What show among the figure is gear ring and housing one-piece construction form.
The planetary wheel speed increasing mechanism mainly is made up of sun wheel shaft 13, antifriction-bearing box 14, pinion carrier 15, planet wheel spindle 5 and satellite gear 4; Sun wheel shaft 13 is placed in the center in the body skin 6; Sun wheel shaft 13 is integrally formed with sun gear shaft; Pinion carrier 15 is bearing on antifriction-bearing box 14 and the big bearing 16, is connected with a joggle in satellite gear 4 and the gear ring 3, and satellite gear 4 also is connected with sun wheel shaft 13 external toothings.Satellite gear 4 is through rotating with the interior engagement of gear ring 3 and with external toothing drive sun wheel shaft 13 speedups of sun wheel shaft 13.
Spragging gear 2 is connected with pinion carrier 15 and drives it through spline does equidirectional rotation, spragging gear 2 and pinion carrier 15 usefulness back-up rings 1 axial restraint, and pinion carrier 15 drives satellite gear 4 through planet wheel spindle 5 and rotates, and satellite gear 4 drives sun wheel shaft 13 speedups and rotates.
Centrifugal block 17 is installed on the sun gear shaft through flat key 18 and axial back-up ring 20, and to be sun wheel shaft 13 a end that the centrifugal speed control mechanism is installed be bearing in the taper brake wheel 7 and it circumferentially can freely rotate through bearing 11 sun gear shaft.Be bearing on the centrifugal block 17 and through drag hook 21 for centrifugal 22 and together rotate with sun wheel shaft 13.Between drag hook 21 and centrifugal block 17, speed setting spring 19 is installed, is used to regulate the size of the power that is thrown out of.
At body skin 6 and the corresponding inner side of taper brake wheel 7 lateral surfaces, gummed is provided with friction lining 12.
The end face of taper brake wheel 7 has screw rod.Centrifugal block 17 and centrifugal 22 inboard that is installed in taper brake wheel 7.On the end face screw rod of taper brake wheel 7, be equipped with and hinder the pressurizing nut 8 that change 9 links to each other, disk spring 10 is installed between pressurizing nut 8 and body skin 6, the predetermincd tension through disk spring 10 makes taper brake wheel 7 contact with friction lining 12.Resistance change 9 is provided with long handle, and the long handle of resistance change 9 partly stops pressurizing nut 8 to rotate through the safety housing.
Referring to Fig. 3, shown the another kind of version of safety profile of the present invention and housing among the figure, wherein gear ring embeds in the safety housing, the version of sun wheel shaft for floating.
Referring to Fig. 4, the long handle of resistance change 9 partly is provided with a set screw 25, and the planar section of body skin 6 small ends is equipped with margin microswich 26, when resistance change 9 is moved, can break off limit switch 26.
Referring to Fig. 5, shown the another kind of version of safety spragging gear of the present invention and pinion carrier among the figure, wherein spragging gear and sun gear shaft are one, pinion carrier links to each other with sun gear shaft through spline or flat key.
The actual installation use and the working process of Ultra-Low Speed anti-falling safety device of the present invention are following:
(1) in the building hoist operational process, the tooth bar on spragging gear 2 and the building hoist guide rail meshes, and rotates with the elevator craning cage operation.Spragging gear 2 connects and drives it through spline and pinion carrier 15 on being bearing in antifriction-bearing box 14 and big bearing 16 does equidirectional rotation.Spragging gear 2 and pinion carrier 15 usefulness back-up rings 1 axial restraint.Pinion carrier 15 is rotated through planet wheel spindle 5 drive satellite gears 4, and satellite gear 4 reaches through the interior engagement with gear ring 3 and the external toothing of sun wheel shaft 13 drives the rotation of sun wheel shaft 13 speedups.Centrifugal block 17 through flat key 18 and axial back-up ring 20 be installed in sun wheel shaft 13 on the sun gear shaft of one, the end that the centrifugal speed control mechanism is housed of sun gear shaft is bearing in the taper brake wheel 7 through bearing 11 and it circumferentially can freely rotate.Be supported on the centrifugal block 17 through drag hook 21 for centrifugal 22 and together rotate with sun wheel shaft 13.Between drag hook 21 and centrifugal block 17, speed setting spring 19 is installed, is used to regulate the size of the power that is thrown out of.Centrifugal block 17 is installed in the inboard that end face has screw rod and is bearing in the taper brake wheel 7 on the friction lining 12 that glues together with body skin 6 with centrifugal 22.On the end face screw rod of taper brake wheel 7, be equipped with bolt and the pressurizing nut 8 that links to each other of resistance change 9, installation disk spring 10 between pressurizing nut 8 and body skin 6, the predetermincd tension taper brake wheel 7 through disk spring 10 contacts with friction lining 12.The long handle of resistance change 9 partly stops pressurizing nut 8 to rotate through the safety housing.Long handle in resistance change 9 partly has a set screw 25, at the planar section of body skin small end margin microswich 26 is installed, and when resistance change 9 is moved, can break off limit switch 26.
(2) when the downstream rate of building hoist surpasses the responsiveness of safety demarcation; The outpace pulling force of regulating spring 19 of the centnifugal force that centrifugal 22 rotation produces; Be thrown out of for centrifugal 22, centrifugal 22 front end outwards opens in the double wedge that snaps in taper brake wheel 7 medial surfaces, drives taper brake wheel 7 rotation together; The screw 23 that is installed in insurance reed 24 ends simultaneously withstands centrifugal, prevents it and after speed reduces, returns voluntarily.Because pressurizing nut 8 and resistance change 9 bolt togethers; Can not rotate and to move axially; The mobile thrust that has further increased disk spring 10 of pressurizing nut 8 in the braking procedure; Make the taper brake wheel 7 and the positive pressure of friction lining 12 continue further to increase, realize the gradual braking that brake torque increases along with the increase of braking displacement.The set screw 25 that is installed in the resistance change 9 quits work driver train at glancing impact along with resistance change 9 longitudinal travels touch micro limit switch 26, accomplishes whole braking procedure thus.
In the specific implementation, the version of safety can have multiple.What Fig. 1 provided is gear ring and housing one-piece construction.What Fig. 4 provided is that gear ring embeds in the safety housing, and the unsteady version of sun wheel shaft.What Fig. 1 provided is that spragging gear passes through the version that spline links to each other with pinion carrier.Shown in Figure 5 is that spragging gear and sun gear shaft are one, the version that pinion carrier links to each other with sun gear shaft through spline or flat key.
In sum; The present invention is a kind of gradual anti-falling safety device of be used to construct lifting table or low speed elevation machine; It is between common safety spragging gear and centrifugal speed control mechanism, to set up the planetary wheel speed increasing mechanism, and the low speed rotation of spragging gear is converted into high speed revolution.When the running velocity of construction lifting table or low speed elevation machine reaches the protection speed of safety device, the safety action, lock torque is along with the increase of braking displacement increases to reach the purpose of gradual braking gradually.
Ultra-Low Speed anti-falling safety device of the present invention is applicable to multiple use, and its responsiveness is stable, and rational in infrastructure, it is lighter to conduct oneself with dignity, and is fit to low speed and Ultra-Low Speed work, and installation and removal are convenient.
Certainly; Those skilled in the art in the present technique field will be appreciated that; The foregoing description only is to be used for explaining the present invention; And be not with opposing qualification of the present invention, as long as in connotation scope of the present invention, all will drop in the scope of claim of the present invention the variation of the foregoing description, modification etc.
Claims (6)
1. Ultra-Low Speed anti-falling safety device; Comprise the safer body; The spragging gear settled of enclosure interior, gear ring, big bearing, centrifugal block and centrifugal is characterized in that: also comprise the planetary wheel speed increasing mechanism, set up between safety spragging gear and centrifugal speed control mechanism outside;
Said planetary wheel speed increasing mechanism comprises sun wheel shaft, antifriction-bearing box, pinion carrier, planet wheel spindle and satellite gear; Sun wheel shaft is placed in the center in the body skin; Sun wheel shaft and sun gear shaft are integrally formed; Pinion carrier is bearing on antifriction-bearing box and the big bearing, is connected with a joggle in satellite gear and the gear ring, and satellite gear also is connected with the sun wheel shaft external toothing;
Said spragging gear is connected with pinion carrier and drives it does equidirectional rotation, and spragging gear and pinion carrier are used the back-up ring axial restraint, and pinion carrier drives satellite gear through planet wheel spindle and rotates, and satellite gear drives the sun wheel shaft speedup and rotates;
Said centrifugal block is installed on the sun gear shaft with axial back-up ring; Sun gear shaft is the end that sun wheel shaft is installed in the centrifugal speed control mechanism; Be bearing in the taper brake wheel and it is circumferentially free to rotate through bearing; Centrifugal is bearing on the centrifugal block and with sun wheel shaft through drag hook and together rotates, and between drag hook and centrifugal block, the speed setting spring is installed;
The corresponding inner side gummed of said body skin and taper brake wheel lateral surface is provided with friction lining;
The end face of said taper brake wheel has screw rod; Centrifugal block and centrifugal inboard that is installed in the taper brake wheel; The pressurizing nut that links to each other through the resistance change is housed on the end face screw rod of taper brake wheel; Between pressurizing nut and body skin, disk spring is housed, the predetermincd tension through disk spring makes the taper brake wheel contact with friction lining, and the resistance change is provided with long handle.
2. Ultra-Low Speed anti-falling safety device according to claim 1 is characterized in that, said spragging gear is connected with pinion carrier through spline or flat key.
3. Ultra-Low Speed anti-falling safety device according to claim 1 is characterized in that, said centrifugal block is installed on the sun gear shaft through flat key and axial back-up ring.
4. Ultra-Low Speed anti-falling safety device according to claim 1 is characterized in that the long handle of said resistance change partly is provided with a set screw.
5. Ultra-Low Speed anti-falling safety device according to claim 1 is characterized in that the planar section of said body skin small end is equipped with margin microswich.
6. Ultra-Low Speed anti-falling safety device according to claim 1 is characterized in that, said centrifugal with centrifugal block between be connected with drag hook through spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010591906.7A CN102303801B (en) | 2010-12-16 | 2010-12-16 | Super low speed anti-falling safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010591906.7A CN102303801B (en) | 2010-12-16 | 2010-12-16 | Super low speed anti-falling safety device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102303801A true CN102303801A (en) | 2012-01-04 |
| CN102303801B CN102303801B (en) | 2014-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010591906.7A Active CN102303801B (en) | 2010-12-16 | 2010-12-16 | Super low speed anti-falling safety device |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878227A (en) * | 2012-09-13 | 2013-01-16 | 芜湖三六机械有限公司 | Rotary brake device |
| CN103007448A (en) * | 2012-12-13 | 2013-04-03 | 陈海 | High-altitude rescue escape sling |
| CN107906185A (en) * | 2017-12-14 | 2018-04-13 | 上海市建筑科学研究院科技发展有限公司 | The combination supporting structure of gearing shaft |
| CN108930781A (en) * | 2018-10-11 | 2018-12-04 | 操年年 | A kind of transmission mechanism |
| CN108930782A (en) * | 2018-10-11 | 2018-12-04 | 孙丽洁 | A kind of transmission mechanism adjusted based on gear |
| SE1751083A1 (en) * | 2017-09-07 | 2019-03-08 | Alimak Hek Ab | Safety brake at lift |
| CN110093476A (en) * | 2019-06-18 | 2019-08-06 | 潍坊峻林冶金工程技术有限公司 | A kind of converter oxygen gun lift cart falling-proof safety device |
| CN110389028A (en) * | 2019-07-26 | 2019-10-29 | 上海市建筑科学研究院科技发展有限公司 | A kind of anti-falling safety device detection system |
| CN112110310A (en) * | 2020-10-08 | 2020-12-22 | 拉弗莱防坠落系统科技(苏州)有限公司 | Anti-falling wall-attached elevator for construction site |
| CN112723090A (en) * | 2020-12-03 | 2021-04-30 | 安徽中旭机械科技有限公司 | Auxiliary device convenient to change construction elevator and prevent weighing down breaker |
| CN113443532A (en) * | 2021-07-29 | 2021-09-28 | 蔡协平 | Anti-falling safety device of construction elevator |
| CN115626544A (en) * | 2022-12-01 | 2023-01-20 | 江苏驰昇建筑工程设备有限公司 | Prevent weighing down guide rail with additional strengthening |
| CN117509349A (en) * | 2024-01-05 | 2024-02-06 | 上海市建筑科学研究院有限公司 | Overspeed protection safety device and construction elevator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2079613U (en) * | 1990-02-05 | 1991-06-26 | 中国建筑科学研究院建筑机械化研究所 | Safety device of pinion-and-rack type lifter for construction lift |
| US6116380A (en) * | 1998-12-08 | 2000-09-12 | Wang; Chiu Nan | Elevator provided with emergency escape |
| DE202008015150U1 (en) * | 2008-11-14 | 2009-01-29 | Baumeister, Karlheinz | Coaxial transmission |
| CN101618796A (en) * | 2009-07-21 | 2010-01-06 | 太原理工大学 | Frequency conversion type automatic tension device of extension band type conveyor |
| CN201400496Y (en) * | 2009-03-24 | 2010-02-10 | 中国建筑科学研究院建筑机械化研究分院 | Low excited speed safety device |
-
2010
- 2010-12-16 CN CN201010591906.7A patent/CN102303801B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2079613U (en) * | 1990-02-05 | 1991-06-26 | 中国建筑科学研究院建筑机械化研究所 | Safety device of pinion-and-rack type lifter for construction lift |
| US6116380A (en) * | 1998-12-08 | 2000-09-12 | Wang; Chiu Nan | Elevator provided with emergency escape |
| DE202008015150U1 (en) * | 2008-11-14 | 2009-01-29 | Baumeister, Karlheinz | Coaxial transmission |
| CN201400496Y (en) * | 2009-03-24 | 2010-02-10 | 中国建筑科学研究院建筑机械化研究分院 | Low excited speed safety device |
| CN101618796A (en) * | 2009-07-21 | 2010-01-06 | 太原理工大学 | Frequency conversion type automatic tension device of extension band type conveyor |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878227A (en) * | 2012-09-13 | 2013-01-16 | 芜湖三六机械有限公司 | Rotary brake device |
| CN103007448A (en) * | 2012-12-13 | 2013-04-03 | 陈海 | High-altitude rescue escape sling |
| US11691848B2 (en) | 2017-09-07 | 2023-07-04 | Alimak Group Sweden Ab | Safely brake for an elevator |
| SE1751083A1 (en) * | 2017-09-07 | 2019-03-08 | Alimak Hek Ab | Safety brake at lift |
| CN107906185A (en) * | 2017-12-14 | 2018-04-13 | 上海市建筑科学研究院科技发展有限公司 | The combination supporting structure of gearing shaft |
| CN108930781A (en) * | 2018-10-11 | 2018-12-04 | 操年年 | A kind of transmission mechanism |
| CN108930782A (en) * | 2018-10-11 | 2018-12-04 | 孙丽洁 | A kind of transmission mechanism adjusted based on gear |
| CN110093476A (en) * | 2019-06-18 | 2019-08-06 | 潍坊峻林冶金工程技术有限公司 | A kind of converter oxygen gun lift cart falling-proof safety device |
| CN110389028A (en) * | 2019-07-26 | 2019-10-29 | 上海市建筑科学研究院科技发展有限公司 | A kind of anti-falling safety device detection system |
| CN110389028B (en) * | 2019-07-26 | 2024-06-07 | 上海市建筑科学研究院科技发展有限公司 | Anti-falling safety device detecting system |
| CN112110310A (en) * | 2020-10-08 | 2020-12-22 | 拉弗莱防坠落系统科技(苏州)有限公司 | Anti-falling wall-attached elevator for construction site |
| CN112723090B (en) * | 2020-12-03 | 2022-03-15 | 安徽中旭机械科技有限公司 | Auxiliary device convenient to change construction elevator and prevent weighing down breaker |
| CN112723090A (en) * | 2020-12-03 | 2021-04-30 | 安徽中旭机械科技有限公司 | Auxiliary device convenient to change construction elevator and prevent weighing down breaker |
| CN113443532B (en) * | 2021-07-29 | 2022-10-25 | 阿克陶县诚鑫路桥有限责任公司 | Anti-falling safety device of construction elevator |
| CN113443532A (en) * | 2021-07-29 | 2021-09-28 | 蔡协平 | Anti-falling safety device of construction elevator |
| CN115626544A (en) * | 2022-12-01 | 2023-01-20 | 江苏驰昇建筑工程设备有限公司 | Prevent weighing down guide rail with additional strengthening |
| CN115626544B (en) * | 2022-12-01 | 2023-04-18 | 江苏驰昇建筑工程设备有限公司 | Prevent weighing down guide rail with additional strengthening |
| CN117509349A (en) * | 2024-01-05 | 2024-02-06 | 上海市建筑科学研究院有限公司 | Overspeed protection safety device and construction elevator |
| CN117509349B (en) * | 2024-01-05 | 2024-03-08 | 上海市建筑科学研究院有限公司 | Overspeed protection safety device and construction elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102303801B (en) | 2014-04-30 |
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