CN202508816U - Instant anti-falling device - Google Patents
Instant anti-falling device Download PDFInfo
- Publication number
- CN202508816U CN202508816U CN2012200458158U CN201220045815U CN202508816U CN 202508816 U CN202508816 U CN 202508816U CN 2012200458158 U CN2012200458158 U CN 2012200458158U CN 201220045815 U CN201220045815 U CN 201220045815U CN 202508816 U CN202508816 U CN 202508816U
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- rope
- tumbler
- safety rope
- district
- counterweight
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Abstract
The utility model relates to an instant anti-falling device which mainly comprises a supporting base and a rotating piece. Two ends of the supporting base are provided with axle holes respectively, two ends of the rotating piece are provided with rotary shafts respectively, the rotating piece is arranged on the supporting base, two rotary shafts of the rotating piece are arranged in the two axle holes of the supporting base respectively, and electromagnetic brakes are arranged at two rotary shaft positions respectively. A safety rope winding area and a counter weight rope winding area are arranged on the rotating piece, a safety rope is wound on the safety rope winding area, one end of the safety rope is fixed with the rotating piece, and the other end of the safety rope is a lifted object connecting end. A counter weight rope is wound on the counter weight winding area, a winding direction of the counter weight rope is opposite to that of the safety rope, one end of the counter weight rope is fixed with the rotating piece, and the other end of the counter weight rope is connected with a counter weight block through a pulley. The instant anti-falling device can fix a lifted object instantly when a lifted object bearing rope breaks and prevents the object from falling.
Description
Technical field
Falling proof device when the utility model relates to a kind of weight and promotes relates in particular to instantaneous the making a response of a kind of ability and prevents the device that weight falls.
Background technology
In the working processs such as automatic lifting of elevator, elevator, elevating scaffold, flexible hoisting door,, falling-proof safety device all should be set for preventing the accidental falling accident.Fall method and device of existing several anti in the prior art; Disclose a kind of method and safety device thereof of fall arrest like Chinese patent 200610068811.0, in fender guard, be provided with the A rope and restrict, the A load-bearing effect of having restricted with B; The B rope shields; Its principle is to utilize the disconnection of A rope to lose the effect of gravity, starts the effect of B rope fall arrest, prevents that weight or aloft work person from falling.
Chinese patent 93104315.8 discloses the Overhead railway hoisting machine of a kind of rope hoisting and fall arrest one; Can on beam, hang, except that drive wheel, also have flower wheel in the machine; Stop mechanism and control of braking mechanism that pair drive wheel and flower wheel are arranged; When take place descending hypervelocity, increase friction force through braking drive wheel and flower wheel and prevent and slide, the mechanism that prevents that drive wheel rotation car is motionless and rub hoist ropes is arranged; Usefulness be the method for comparison drive wheel and flower wheel circumferential velocity, outage is shut down when the ultra specified value of speed.
Chinese patent 96121428.7 discloses and has a kind ofly prevented to be raised the device that thing falls with safety rope; Link be raised thing the insurance knot on a reel, reel is installed in the casing that a prodigiosin is draped, and at an end of reel ratchet is housed; Also has transmission gear, side dress braking ratchet.The shaft extension of reel one end goes out casing, has fixed rope sheave on the axle, and the tensioning knot that has hung counterweight is on rope sheave.When being raised the thing rising; The gravity of counterweight rotates rope sheave, reel, safety rope is tightened up on reel, when being raised the ultra specified value of thing descending speed; Have a tool centrifugal speed limiter to make the using pawl to brake ratchet, knot hovers around the safety rope on the reel and is raised thing.
Above-mentioned public technology and other prior art at present all are when weight begins to fall, to start the fall arrest function just now, and speed of response is slow, and when weight begins to fall, might cause certain influence, also might cause the accident.Therefore, there are certain problem in the reliability of existing falling proof device, safety.
Summary of the invention
The purpose of the utility model is the problem to present falling proof device existence; A kind of instantaneous falling proof device is provided; Can make a response being raised the moment that thing loses hoisting force; Start the fall arrest function, make not to be raised when thing also begins to fall just to be fixed, prevent and stop the generation of falling accident.
The technical scheme of the utility model is following:
A kind of instantaneous falling proof device; It is characterized in that: mainly comprise a bearing and a tumbler; Said bearing two ends are respectively arranged with axis hole, and said tumbler two ends are respectively arranged with rotating shaft, and said tumbler is arranged on the said bearing; Two rotating shafts of tumbler place two axis holes of said bearing respectively, and said two rotating shafts place are provided with electromagnetic brake respectively; Said tumbler is provided with safety rope and twines district and counterweight rope winding district, and said safety rope twines the district and is wound with safety rope, and said safety rope one end and tumbler are fixed, and the other end is for being raised the thing coupling end; Said counterweight rope twines the district and is wound with the counterweight rope, and the winding direction of counterweight rope is opposite with the winding direction of said safety rope, and a restrict end and tumbler of said counterweight fixed, and the other end connects a clump weight through pulley.
Said electromagnetic brake is through external power source, and its power lead is provided with switch.Said switch can adopt knife switch, and on knife switch, is provided with extension spring.
The thing coupling end connection that is raised of the utility model safety rope is raised thing, and tumbler rotates with the up-down that is raised thing under the effect of counterweight rope and clump weight; Make safety rope be in the state of tightening up all the time, when the head-rope that is raised thing breaks off, the power connection of electromagnetic brake; Electromagnetic brake can not rotate it in the rotating shaft locking that moment brakes tumbler, and safety rope then will be raised the thing pulling can not descend it, thereby prevents accidental falling; Speed of response is fast, reliability, safe
Description of drawings
Fig. 1 is the integral structure scheme drawing of the utility model
Fig. 2 is the structural representation of the tumbler of the utility model
Fig. 3 is the structural representation of the bearing of the utility model
Fig. 4 is a kind of occupation mode embodiment scheme drawing of the utility model
Fig. 5 is the A place enlarged drawing among Fig. 4, shows the source switch of electromagnetic brake
The specific embodiment
Like Fig. 1, Fig. 2, shown in Figure 3; The utility model mainly comprises a bearing 1 and a tumbler 2; Said bearing 1 two ends are respectively arranged with axis hole 3, and said tumbler 2 two ends are respectively arranged with rotating shaft 4, and said tumbler 2 is arranged on the said bearing 1; Two rotating shafts 4 of tumbler 2 place two axis holes 3 of said bearing 1 respectively, and said two rotating shafts 4 places are provided with electromagnetic brake 5 respectively; Said tumbler 2 is provided with safety rope and twines district 6 and counterweight rope winding district 7, and said safety rope twines district 6 and is wound with safety rope 8, and said safety rope 8 one ends and tumbler are fixed, and the other end is for being raised the thing coupling end; Said counterweight rope twines district 7 and is wound with counterweight rope 9, and the winding direction of counterweight rope 9 is opposite with the winding direction of said safety rope 8, and said counterweight 9 one ends of restricting are fixed with tumbler, and the other end passes through pulley 10 connections one clump weight 11.
Safety rope on the said tumbler 2 twines between district 6 and the counterweight rope winding district 7 and is provided with dividing plate 12.The effect of dividing plate 12 is to make safety rope and counterweight rope be wrapped in safety rope respectively to twine the district and twine with the counterweight rope and distinguish and noninterference.
The utility model can be positioned at tumbler 2 on said bearing 1 both sides are provided with twine guide plate 13.The effect of twine guide plate 13 is to make the safety rope of safety rope uniform winding on tumbler twine the district.
Electromagnetic brake that the utility model adopted and principle of work thereof are known public technologies.Said electromagnetic brake is through external power source, and its power lead is provided with switch.The electromagnetic brake source switch of the utility model is preferably knife switch, and knife switch is provided with extension spring.The effect of extension spring is that the plug-in strip with knife switch closes and makes the electromagnetic brake power supply produce braking the rotating shaft of tumbler to be held tightly it can not be rotated.
Shown in Figure 4 is, and the utility model uses at a kind of occupation mode scheme drawing that relies on the flexible hoisting door that lift system control goes up and down.Lift system 14 is arranged on the top of flexible hoisting door 15, promotes flexible hoisting door 15 through head-rope 16.The utility model is installed in the both sides of flexible hoisting door lift system 14, the below that is raised thing coupling end connection flexible hoisting door of safety rope 8.
Fig. 5 is the A place enlarged drawing among Fig. 4, and is as shown in Figure 5, and the plug-in strip of the knife switch 17 of electromagnetic brake is opened, and plug-in strip 18 hangs on the head-rope 16 of lift system, and extension spring 19 is in tensile state, this moment electromagnetic brake the power supply access failure, tumbler 2 is free to rotate.
When lift system made progress lever gear door, clump weight 11 by gravitys of the utility model descended, and counterweight rope 9 drives tumbler 2 and rotates to a direction, safety rope is tightened up be wrapped in safety rope winding district; When door normally descended, traction safety rope 8 drove tumblers and rotates to other direction, drove clump weight 11 and rose, and the counterweight rope tightened up be wrapped in the counterweight rope and twine the district.In the said process; In case the head-rope 16 of lift system breaks off, then the knife switch 17 of electromagnetic brake can close rapidly under extension spring 19 effects, makes the electromagnetic brake power connection; Produce brake action; The rotating shaft locking of moment with tumbler can not be rotated it, thereby safety rope can not fall it door pulling, plays the fall arrest effect.
More than be a kind of application implementation example of the utility model in flexible hoisting door lifting process, purpose is to explain and non-limiting the utility model.Based on same principle, the utility model also can be used for the fall arrest of equipment such as elevator, elevator, elevating scaffold.
Claims (5)
1. instantaneous falling proof device; It is characterized in that: mainly comprise a bearing and a tumbler; Said bearing two ends are respectively arranged with axis hole, and said tumbler two ends are respectively arranged with rotating shaft, and said tumbler is arranged on the said bearing; Two rotating shafts of tumbler place two axis holes of said bearing respectively, and said two rotating shafts place are provided with electromagnetic brake respectively; Said tumbler is provided with safety rope and twines district and counterweight rope winding district, and said safety rope twines the district and is wound with safety rope, and said safety rope one end and tumbler are fixed, and the other end is for being raised the thing coupling end; Said counterweight rope twines the district and is wound with the counterweight rope, and the winding direction of counterweight rope is opposite with the winding direction of said safety rope, and a restrict end and tumbler of said counterweight fixed, and the other end connects a clump weight through pulley.
2. instantaneous falling proof device according to claim 1 is characterized in that: the safety rope on the said tumbler twines between district and the counterweight rope winding district and is provided with dividing plate.
3. instantaneous falling proof device according to claim 1 is characterized in that: the both sides that are positioned at tumbler on the said bearing are provided with twine guide plate.
4. instantaneous falling proof device according to claim 1 is characterized in that: said electromagnetic brake is through external power source, and its power lead is provided with switch.
5. instantaneous falling proof device according to claim 4 is characterized in that: said switch is a knife switch, and knife switch is provided with extension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200458158U CN202508816U (en) | 2012-02-13 | 2012-02-13 | Instant anti-falling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200458158U CN202508816U (en) | 2012-02-13 | 2012-02-13 | Instant anti-falling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202508816U true CN202508816U (en) | 2012-10-31 |
Family
ID=47061314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200458158U Expired - Lifetime CN202508816U (en) | 2012-02-13 | 2012-02-13 | Instant anti-falling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202508816U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104420643A (en) * | 2013-08-23 | 2015-03-18 | 江苏雄宇重工科技股份有限公司 | Novel pulling climbing device |
| CN106078724A (en) * | 2016-06-29 | 2016-11-09 | 微创（上海）医疗机器人有限公司 | Mechanical arm and operating robot thereof |
| CN107019433A (en) * | 2016-06-12 | 2017-08-08 | 中山市尚善电器有限公司 | A kind of lift pot cover |
| CN107037184A (en) * | 2017-06-03 | 2017-08-11 | 成都赋阳技术开发有限公司 | A kind of room air detector |
| CN109356373A (en) * | 2018-10-30 | 2019-02-19 | 泉州开云网络科技服务有限公司 | Protective device is broken in a kind of hanging basket transmission of building engineering equipment |
| CN112695994A (en) * | 2020-12-22 | 2021-04-23 | 温州顺启建筑有限公司 | Construction equipment for prefabricated building |
-
2012
- 2012-02-13 CN CN2012200458158U patent/CN202508816U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104420643A (en) * | 2013-08-23 | 2015-03-18 | 江苏雄宇重工科技股份有限公司 | Novel pulling climbing device |
| CN107019433A (en) * | 2016-06-12 | 2017-08-08 | 中山市尚善电器有限公司 | A kind of lift pot cover |
| CN106078724A (en) * | 2016-06-29 | 2016-11-09 | 微创（上海）医疗机器人有限公司 | Mechanical arm and operating robot thereof |
| CN106078724B (en) * | 2016-06-29 | 2020-01-24 | 微创（上海）医疗机器人有限公司 | Mechanical arm and surgical robot thereof |
| CN107037184A (en) * | 2017-06-03 | 2017-08-11 | 成都赋阳技术开发有限公司 | A kind of room air detector |
| CN107037184B (en) * | 2017-06-03 | 2024-02-20 | 吉林省普林松技术检测服务有限公司 | Indoor air detector |
| CN109356373A (en) * | 2018-10-30 | 2019-02-19 | 泉州开云网络科技服务有限公司 | Protective device is broken in a kind of hanging basket transmission of building engineering equipment |
| CN109356373B (en) * | 2018-10-30 | 2021-03-26 | 安徽明诚建设项目管理有限公司 | Snapping protection device for hanging basket transmission of constructional engineering equipment |
| CN112695994A (en) * | 2020-12-22 | 2021-04-23 | 温州顺启建筑有限公司 | Construction equipment for prefabricated building |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121031 |