CN203529650U - Elevator anti-falling device braking through pawl - Google Patents
Elevator anti-falling device braking through pawl Download PDFInfo
- Publication number
- CN203529650U CN203529650U CN201320596308.8U CN201320596308U CN203529650U CN 203529650 U CN203529650 U CN 203529650U CN 201320596308 U CN201320596308 U CN 201320596308U CN 203529650 U CN203529650 U CN 203529650U
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- China
- Prior art keywords
- strut bar
- ratchet
- elevator
- bar
- pawl
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Abstract
The utility model discloses an elevator anti-falling device braking through a pawl. An elevator braking mechanism composed of a guide wheel, a supporting rod, a supporting rod motion track and a supporting rod motion limiting mechanism is arranged on an elevator car frame above a car body of an elevator. According to the supporting rod motion limiting mechanism, a locking mechanism is composed of the pawl and a rack. The rack is fixedly arranged on a horizontal rod body of the supporting rod. The pawl is hinged to a steel wire rope. When the steel wire rope is broken, the pawl falls down, ratchets of the pawl are meshed with the rack, the rack is clamped by the ratchets under the action of a pawl spring, the supporting rod can be clamped by an inclined track in an elevator hole, and therefore the car body of the elevator is prevented from falling down continuously. The elevator anti-falling device braking through the pawl is simple in structure, convenient to maintain, accurate in braking, capable of effectively preventing the elevator from rapidly falling down, safe and reliable.
Description
Technical field
The utility model relates to a kind of lift facility, particularly relates to a kind of device for preventing elevator from falling, is applied to elevator safety field.
Background technology
Along with skyscraper constantly increases, elevator has become requisite instrument in people life, and elevator is convenient, fast, it is physical to save.Along with popularizing of elevator, the safety performance of elevator has also obtained generally paying attention to, although elevator technology comparative maturity, performance is also fairly perfect, and potential safety hazard still exists, and various elevator accidents emerge in an endless stream, and have caused very large injury and economic loss.In elevator accident, cage wire cable rupture causes the accident of cage tenesmus to happen occasionally, and because predictability occurs not have suddenly this type of accident, and injury greatly.Therefore, elevator falling-proof safety device has very large economy and practical value, however existing device for preventing elevator from falling complex structure, elevator brake effect is desirable not enough, and safety in utilization needs further to be improved.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of device for preventing elevator from falling that utilizes using pawl to brake is provided, and its brake device for elevator is simple in structure, easy to maintenance, and braking accurately, can prevent that elevator from falling fast by actv., safe and reliable.
For reaching foregoing invention, create object, the utility model adopts following technical proposals:
A kind of device for preventing elevator from falling that utilizes using pawl to brake, it is arranged on the cage frame of elevator car top, by track adjusting wheel, strut bar, strut bar tracks and strut bar move stop gear and form elevator brake mechanism, the wheel shaft of strut bar one end and track adjusting wheel is rotationally connected, track adjusting wheel is rolled along the inclined plane in elevator hole, above cage frame, be fixedly connected with fall arrest frame, in fall arrest frame, level is fixedly installed strut bar tracks, the shaft of strut bar carries out the sway of level along strut bar tracks, the other end of strut bar is connected with fall arrest frame by strut bar spring, strut bar moves stop gear and forms catch gear by ratchet and tooth bar, tooth bar is fixedly installed on it the horizon bar of strut bar, ratchet is hinged on steel rope, one end away from the ratchet of ratchet is connected with fall arrest frame by ratchet spring, when elevator is normally worked, steel rope pulls elevator car motion, the effect of ratchet under tension is simultaneously put on, in vertical state, ratchet spring is in extended state, the toothed portion that has of the tooth bar on the ratchet of ratchet and strut bar shaft departs from, strut bar is under the pulling force effect of strut bar spring, make the track adjusting wheel of strut bar end be close to all the time inclined plane, thereby make strut bar along with elevator rises or decline correspondingly in strut bar tracks to the right or horizontal motion left, when steel rope is when it is fixedly connected with the above part fracture of ratchet, steel rope is in relaxed state, the position of ratchet declines, tooth bar engagement on the ratchet of ratchet and strut bar shaft, simultaneously under the effect of ratchet spring, ratchet upset, the ratchet of ratchet blocks tooth bar, strut bar cannot level be extrapolated, because the end of strut bar is supported on the inclined plane in elevator hole by track adjusting wheel, in the process that continues to fall at elevator car, strut bar will be blocked by the track tilting in elevator hole, thereby prevent that elevator car from further dropping.
Improvement as technical solutions of the utility model, a constraint frame is set in the position of the corresponding ratchet of fall arrest frame, when steel rope is when it is fixedly connected with the above part fracture of ratchet, ratchet is just in time fallen in constraint frame, the tooth bar on the corresponding strut bar shaft of constraint frame bottom opening have a toothed portion.
The utility model compared with prior art, has following substantive distinguishing features and advantage:
1. it is simple in structure that the utility model utilizes the device for preventing elevator from falling of using pawl to brake; easy to operate; braking accurately; utilize the theory of engagement of ratchet and tooth bar; when wire cable rupture, to strut bar, the slip in strut bar tracks limits clamping tooth bar, by the track adjusting wheel of strut bar one end and the relative motion of the inclined plane in elevator hole; the cage of tenesmus is blocked, thereby prevented that cage from continuing tenesmus;
2. brake device for elevator good braking effect of the present utility model, more safe and reliable, is convenient to safeguard and use.
Accompanying drawing explanation
Fig. 1 is the work schematic diagram of elevator the utility model embodiment mono-device for preventing elevator from falling while normally working.
The work schematic diagram of the utility model embodiment mono-device for preventing elevator from falling when Fig. 2 is elevator wire rope fracture.
The specific embodiment
Preferred embodiment accompanying drawings of the present utility model is as follows:
embodiment mono-:
In the present embodiment, referring to Fig. 1 and Fig. 2, a kind of device for preventing elevator from falling that utilizes using pawl to brake, it is arranged on the cage frame 12 of elevator car 2 tops, by track adjusting wheel 10, strut bar 4, strut bar tracks 5 and strut bar move stop gear and form elevator brake mechanism, the wheel shaft of strut bar 4 one end and track adjusting wheel 10 is rotationally connected, track adjusting wheel 10 is rolled along the inclined plane 11 in elevator hole, above cage frame 12, be screwed and connect fall arrest frame 6, in the interior level of fall arrest frame 6, be fixedly installed strut bar tracks 5, the shaft of strut bar 4 carries out the sway of level along strut bar tracks 5, the other end of strut bar 4 is connected with fall arrest frame 6 by strut bar spring 3, the effect of strut bar spring 3 be make track adjusting wheel 10 all the time with elevator hole in inclined plane 11 be close to, strut bar moves stop gear and forms catch gear by ratchet 7 and tooth bar 1, tooth bar 1 is fixedly installed on it the horizon bar of strut bar 4, ratchet 7 is hinged on steel rope 8, one end away from the ratchet 7 of ratchet is connected with fall arrest frame 6 by ratchet spring 9, when elevator is normally worked, steel rope 8 pulls elevator car 2 motions, the effect of ratchet 7 under tensions is simultaneously put on, in vertical state, ratchet spring 9 is in extended state, the toothed portion that has of the tooth bar 1 on the ratchet of ratchet 7 and strut bar 4 shafts departs from, strut bar 4 is under the pulling force effect of strut bar spring 3, make the track adjusting wheel 10 of strut bar 4 ends be close to all the time inclined plane 11, thereby make strut bar 4 along with elevator rises or decline correspondingly in strut bar tracks 5 to the right or horizontal motion left, when steel rope 8 is when it is fixedly connected with the above part fracture of ratchet 7, steel rope 8 is in relaxed state, the position of ratchet 7 declines, tooth bar 1 engagement on the ratchet of ratchet 7 and strut bar 4 shafts, simultaneously under the effect of ratchet spring 9, ratchet 7 upsets, the ratchet of ratchet 7 blocks tooth bar 1, strut bar 4 cannot level be extrapolated, because the end of strut bar 4 is supported on the inclined plane 11 in elevator hole by track adjusting wheel 10, in the process that continues to fall at elevator car 2, the track 11 that strut bar 4 will be tilted in elevator hole blocks, thereby prevent that elevator car 2 from further dropping.When the steel rope 8 of traction elevator car ruptures, the present embodiment device for preventing elevator from falling is by ratchet and tooth bar 1 engagement of ratchet 7, move back in strut bar tracks 5 strut bar 4 one end that prevent hinged track adjusting wheel 10, the track 11 tilting in the supported bar 4 of track adjusting wheel 10 and elevator hole is clamped, effectively prevent elevator car 2 tenesmus.The present embodiment device for preventing elevator from falling is simple in structure, easy to maintenance, and braking accurately, can prevent that elevator from falling fast by actv..
embodiment bis-:
The present embodiment and embodiment mono-are basic identical, and special feature is:
In the present embodiment, a constraint frame is set in the position of the corresponding ratchet 7 of fall arrest frame 6, when steel rope 8 is when it is fixedly connected with the above part fracture of ratchet 7, ratchet 7 is just in time fallen in constraint frame, the tooth bar 1 on corresponding strut bar 4 shafts of constraint frame bottom opening have a toothed portion.When the constraint frame of the present embodiment can prevent that steel rope 8 fractures from losing tensile force, what be hinged on that ratchet 7 on steel rope 8 departs from tooth bar 1 on strut bar 4 shafts has a toothed portion top, more effectively ensure that ratchet 7 falls and the toothed portion that has of tooth bar 1 is realized effectively engagement, improve stability and safety that the present embodiment device for preventing elevator from falling is braked elevator car 2.
By reference to the accompanying drawings the utility model embodiment is illustrated above; but the utility model is not limited to above-described embodiment; the object that can also create according to utility model of the present utility model is made multiple variation; the change of making under all Spirit Essences according to technical solutions of the utility model and principle, modification, substitute, combination, simplify; all should be equivalent substitute mode; as long as meet structure and the aufbauprinciple of utilizing the device for preventing elevator from falling of using pawl to brake for the utility model, all belong to protection domain of the present utility model.
Claims (2)
1. a device for preventing elevator from falling that utilizes using pawl to brake, it is characterized in that: be arranged on the cage frame (12) of elevator car (2) top, by track adjusting wheel (10), strut bar (4), strut bar tracks (5) and strut bar move stop gear and form elevator brake mechanism, the wheel shaft of described strut bar (4) one end and described track adjusting wheel (10) is rotationally connected, described track adjusting wheel (10) is rolled along the inclined plane (11) in elevator hole, in cage frame (12) top, be fixedly connected with fall arrest frame (6), in described fall arrest frame (6), level is fixedly installed strut bar tracks (5), the shaft of described strut bar (4) carries out the sway of level along described strut bar tracks (5), the other end of described strut bar (4) is connected with fall arrest frame (6) by strut bar spring (3), described strut bar moves stop gear and forms catch gear by ratchet (7) and tooth bar (1), described tooth bar (1) is fixedly installed on it the horizon bar of described strut bar (4), described ratchet (7) is hinged on steel rope (8), one end away from the described ratchet (7) of ratchet is connected with fall arrest frame (6) by ratchet spring (9), when elevator is normally worked, steel rope (8) pulls elevator car (2) motion, the effect of described ratchet (7) under tension is simultaneously put on, in vertical state, described ratchet spring (9) is in extended state, the toothed portion that has of the tooth bar (1) on the ratchet of described ratchet (7) and described strut bar (4) shaft departs from, described strut bar (4) is under the pulling force effect of strut bar spring (3), make the described track adjusting wheel (10) of described strut bar (4) end be close to all the time inclined plane (11), thereby make described strut bar (4) along with elevator rises or decline correspondingly in strut bar tracks (5) to the right or horizontal motion left, when steel rope (8) is when it is fixedly connected with the above part fracture of described ratchet (7), steel rope (8) is in relaxed state, the position of described ratchet (7) declines, tooth bar (1) engagement on the ratchet of described ratchet (7) and described strut bar (4) shaft, simultaneously under the effect of ratchet spring (9), described ratchet (7) upset, the ratchet of described ratchet (7) blocks tooth bar (1), described strut bar (4) cannot level be extrapolated, because the end of described strut bar (4) is supported on the inclined plane (11) in elevator hole by track adjusting wheel (10), in the process that continues to fall at elevator car (2), described strut bar (4) will be blocked by the track tilting in elevator hole (11), thereby prevent that elevator car (2) from further dropping.
2. the device for preventing elevator from falling that utilizes using pawl to brake according to claim 1, it is characterized in that: a constraint frame is set in the position of the corresponding described ratchet of described fall arrest frame (6) (7), when steel rope (8) is when it is fixedly connected with the above part fracture of described ratchet (7), described ratchet (7) is just in time fallen in constraint frame, the tooth bar (1) on corresponding described strut bar (4) shaft of described constraint frame bottom opening have a toothed portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320596308.8U CN203529650U (en) | 2013-09-26 | 2013-09-26 | Elevator anti-falling device braking through pawl |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320596308.8U CN203529650U (en) | 2013-09-26 | 2013-09-26 | Elevator anti-falling device braking through pawl |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203529650U true CN203529650U (en) | 2014-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320596308.8U Expired - Fee Related CN203529650U (en) | 2013-09-26 | 2013-09-26 | Elevator anti-falling device braking through pawl |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203529650U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107019917A (en) * | 2017-05-27 | 2017-08-08 | 中山市金马科技娱乐设备股份有限公司 | A kind of insurance institution of new flying tower |
| CN108999438A (en) * | 2018-10-12 | 2018-12-14 | 李璐彤 | A kind of convenient and fast urban cells parking device |
| CN109041755A (en) * | 2018-09-27 | 2018-12-21 | 山东拜罗智能科技有限公司 | A kind of abrupt slope intelligent grass-removing robot and control method |
| CN109908506A (en) * | 2019-04-03 | 2019-06-21 | 江苏伯尔特新型材料有限公司 | A kind of track brake falling proof device |
| CN110712454A (en) * | 2019-11-07 | 2020-01-21 | 南宁学院 | Pen hanger used at tail end of industrial robot |
| CN112125096A (en) * | 2020-09-21 | 2020-12-25 | 武汉理工大学 | Auxiliary device for going upstairs and downstairs |
| CN113202408A (en) * | 2021-06-21 | 2021-08-03 | 华侨大学 | Brake mechanism and movable anti-falling device for ladder stand |
| CN114439206A (en) * | 2022-01-26 | 2022-05-06 | 孙长虹 | Scaffold for building construction |
| CN114590755A (en) * | 2022-03-16 | 2022-06-07 | 樊星星 | Energy-saving lifting platform for construction with safeguard function |
| CN117514063A (en) * | 2023-12-18 | 2024-02-06 | 中国电建集团成都勘测设计研究院有限公司 | Drilling and anti-spraying hole device and method for gas control |
-
2013
- 2013-09-26 CN CN201320596308.8U patent/CN203529650U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107019917A (en) * | 2017-05-27 | 2017-08-08 | 中山市金马科技娱乐设备股份有限公司 | A kind of insurance institution of new flying tower |
| CN109041755A (en) * | 2018-09-27 | 2018-12-21 | 山东拜罗智能科技有限公司 | A kind of abrupt slope intelligent grass-removing robot and control method |
| CN108999438A (en) * | 2018-10-12 | 2018-12-14 | 李璐彤 | A kind of convenient and fast urban cells parking device |
| CN109908506A (en) * | 2019-04-03 | 2019-06-21 | 江苏伯尔特新型材料有限公司 | A kind of track brake falling proof device |
| CN109908506B (en) * | 2019-04-03 | 2024-04-26 | 江苏伯尔特新型材料有限公司 | Track braking anti-falling device |
| CN110712454A (en) * | 2019-11-07 | 2020-01-21 | 南宁学院 | Pen hanger used at tail end of industrial robot |
| CN112125096A (en) * | 2020-09-21 | 2020-12-25 | 武汉理工大学 | Auxiliary device for going upstairs and downstairs |
| CN113202408A (en) * | 2021-06-21 | 2021-08-03 | 华侨大学 | Brake mechanism and movable anti-falling device for ladder stand |
| CN114439206A (en) * | 2022-01-26 | 2022-05-06 | 孙长虹 | Scaffold for building construction |
| CN114590755A (en) * | 2022-03-16 | 2022-06-07 | 樊星星 | Energy-saving lifting platform for construction with safeguard function |
| CN117514063A (en) * | 2023-12-18 | 2024-02-06 | 中国电建集团成都勘测设计研究院有限公司 | Drilling and anti-spraying hole device and method for gas control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20140926 |
|
| EXPY | Termination of patent right or utility model |