CN101041405B - Elevator safety device and elevator possessing the safety device - Google Patents
Elevator safety device and elevator possessing the safety device Download PDFInfo
- Publication number
- CN101041405B CN101041405B CN2006101424232A CN200610142423A CN101041405B CN 101041405 B CN101041405 B CN 101041405B CN 2006101424232 A CN2006101424232 A CN 2006101424232A CN 200610142423 A CN200610142423 A CN 200610142423A CN 101041405 B CN101041405 B CN 101041405B
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- guide rail
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- lifting
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Abstract
The invention relates to a safty device of elevator, with a lifting device for faithfully acting the emergency brake gear. The said comprises speed adjusting gear, lifting on-off mechanism and lifting mechanism. The said speed adjusting gear is opposite to guide rails installed on the lifting channel wall of the two sides of the elevator car along the elevator car running direction. The speed adjusting gear contacts with guide rails to detect the running speed of the elevator car. The said lifting on-off mechanism acts when the said speed adjusting gear exceeds the schedule speed. The lifting mechanism grasps the guide rails and lift the lifting stick along with the action of the said lifting on-off mechanism, wherein the lifting mechanism is composed of bar being surpported to swing along the bar rotation axis as pivot point; boot shape parts for clipping the guide rail of the other end of the bar; clipping parts furnished with boot shape parts; rotation axis for rotatablely supporting the said clipping part; and spring for clipping to provide revolving force to the said clipping parts.
Description
Technical field
The present invention relates to a kind of speed regulator for elevator device, especially relate to the abnormal speed that a kind of rotation by the roller that contacts with cage guide detects elevator, and when detecting abnormal speed, make the governor gear of the elevator of emergency braking apparatus action, and relate to a kind of elevator with described governor gear.
Background technology
In general, the governor gear of elevator is arranged in the Machine Room, and in the elevator that does not possess the Machine Room, governor gear then generally is installed in the hoist trunk.In above-mentioned two kinds of forms, all the rope that governor is used need be set in hoist trunk.; along with current requirement to elevator device saving space and cost-cutting improves constantly; developed the governor gear that there is no need in hoist trunk, to be provided with governor usefulness rope, that is, governor has been installed in the governor gear of the regulator-free usefulness rope on the lift car.
As prior art, for example known have a disclosed invention in the 4th, 662, No. 481 patents of invention of the U.S..In this invention, governor gear is arranged on the top of lift car.By and the wheel subassembly that is oppositely arranged of guide rail and guide rail between the friction force that produces make the rotation of wheel subassembly, to detect the speed of lift car.And, utilize the centnifugal force of the flyball (flyweight) that produces along with the rotation of wheel subassembly to make the rotation of wheel subassembly force to stop.After the rotation of wheel subassembly was forced to stop, the turning unit with pivot point was that the center is rotated with described pivot point under guide rail and the effect of taking turns the friction force between the subassembly, thereby mentions the linkage part that is installed on the turning unit.Make emergency braking apparatus action by mentioning of linkage part, thereby lift car is promptly stopped.
According to above-mentioned prior art, the wheel subassembly has: the function that detects the speed of lift car by the rotation of wheel subassembly self; And force to stop by the rotation that makes the wheel subassembly, and between wheel subassembly and guide rail, produce friction force, thus make the turning unit rotation mention linkage part by described friction force, make the function of emergency braking apparatus action with this.
Patent documentation 1: the U.S. the 4th, 662, No. 481 patents of invention
In above-mentioned prior art, because the wheel subassembly constantly contacts rotation with guide rail, so might cause the friction coefficient of wheel parts surface to change.At this moment, mention linkage part so that the friction force that emergency braking apparatus moves between required guide rail and the wheel subassembly reduces, thereby may cause emergency braking apparatus to move at short notice, when the worst situation takes place, also can take place to mention linkage part, thereby can't make the situation of emergency braking apparatus action because of described friction force is not enough.
In addition, when making the emergency braking apparatus action, at guide rail and be between the wheel subassembly of halted state and can produce abrasion, make the plane of revolution of wheel subassembly produce irregular wear, thereby the speed accuracy of detection after might resetting to emergency braking apparatus is brought bad influence.
Summary of the invention
Therefore, the present invention proposes in view of existing practical problems in the above-mentioned prior art, the object of the present invention is to provide a kind of elevator car safety, and this elevator car safety has can make the emergency braking of emergency braking apparatus action mention mechanism effectively.
To achieve these goals, elevator car safety of the present invention has: regulating mechanism, mention switching mechanism, mention mechanism and emergency braking apparatus, described regulating mechanism is oppositely arranged with guide rail on the hoist trunk wall that is arranged on the lift car both sides along the travel direction of lift car, and contact with described guide rail to detect the moving velocity of lift car, the described switching mechanism of mentioning moves when having surpassed the speed of regulation by described regulating mechanism, the described mechanism of mentioning is along with described action of mentioning switching mechanism, clasp guide rail and will mention rod and mention, described emergency braking apparatus and the described rod of mentioning link, when mention described when mentioning rod the described hoist trunk of described emergency braking apparatus clamping guide rail so that described lift car promptly stop, wherein
The described mechanism of mentioning is by constituting as the lower part: be supported for can distaff rod member, the boots shape parts of clamping the guide rail that is arranged on rod member one end swung of part S. A., be equipped with as described in boots shape parts clamp parts, rotatably clamp as described in supporting parts clamp with S. A. and to as described in clamp parts and provide clamping of rotational force to use elastomeric element
By making the described parts of clamping clasp guide rail, rely on lift car and describedly clasp relatively moving and mention rod between the part, thereby can make the emergency braking apparatus action.
According to the present invention, a kind of elevator car safety can be provided, this elevator car safety has can make the emergency braking of emergency braking apparatus action mention mechanism effectively.
Description of drawings
Fig. 1 is the related elevator car safety single-piece block diagram of one embodiment of the invention;
Fig. 2 is the front view of the related elevator car safety of one embodiment of the invention;
Fig. 3 is the related birds-eye view of mentioning mechanism of one embodiment of the invention;
Fig. 4 and Fig. 2 are suitable, are the figure that the action to the related regulating mechanism of one embodiment of the invention describes;
Fig. 5 and Fig. 2 are suitable, are the figure that the related action of mentioning switch describes to one embodiment of the invention;
Fig. 6 and Fig. 3 are suitable, are the figure that the related action of mentioning mechanism describes to one embodiment of the invention;
Fig. 7 is the related lateral plan of mentioning mechanism of one embodiment of the invention;
Fig. 8 is the block diagram that has possessed the elevator of the emergency braking apparatus that moves according to present embodiment.
Nomenclature:
The 1-roller
2-roller S. A.
3, the 5-tilting member
4,6-tilting member S. A.
The 7-pitman
8-speed setting spring
The 9-swing frame
10-hook spare S. A.
11-hook spare
12-clamps and uses roller
13-rod member S. A.
The 14-rod member
15,16-clamps parts
17,18-clamps and uses spring
19-clamps and uses S. A.
20-boots shape parts
21-mentions rod
22-pushes the adjusting parts
The 23-roller is pressed pressing spring
The 24-guide rail
The 25-pedestal
26-swing frame S. A.
The 50-lift car
The 51-regulating mechanism
52-mentions switching mechanism
53-mentions mechanism
The specific embodiment
Below to having used elevator car safety of the present invention to describe.
First embodiment
The block diagram of the elevator car safety of the present invention that following reference is shown in Figure 1 and front view shown in Figure 2 describe general configuration of the present invention.
Elevator car safety of the present invention has regulating mechanism 51, mentions switching mechanism 52 and mentions mechanism 53, the guide rail 24 that this regulating mechanism 51 and travel direction along not shown lift car are arranged on the hoist trunk wall of lift car both sides is oppositely arranged, and contact with described guide rail to detect the moving velocity of lift car, this is mentioned switching mechanism 52 and moves when surpassing the speed of regulation by described regulating mechanism 51, this mentions mechanism 53 along with described action of mentioning switching mechanism 51, clasps guide rail 24 and will mention rod 21 and mention.These each mechanisms all are installed on the lift car.In the example of Fig. 1, each mechanism is arranged on the pedestal 25, and this pedestal 25 is installed in the top (not shown) of lift car.
Regulating mechanism 51 has: with the roller S. A. 2 of the roller 1 of guide rail 24 relative contacts, rotation support roller 1, to be supported for be the tilting member 3 and 5 that is rotated of center with tilting member S. A. 4 and 6, is connected the pitman 7 of tilting member 3 and tilting member 5 and makes and mention switching mechanism 52 and move with the speed setting spring 8 of adjusting elevator car speed etc.The contact surface with guide rail 24 of the roller 1 that contacts with guide rail 24 is made of elastic bodys such as rubber, so that play the effect that absorbs vibration and reduce the noise that produces because of rail joint etc.In addition, regulating mechanism 51 is constituted as by roller S. A. 2 and is installed on the end of swing frame 9, regulates parts 22 and roller by pressing spring 23 and be equipped with to push on the other end of described swing frame 9.Press pressing spring 23 by described roller, swing frame 9 swings, thus be contacted with guide rail 24 with the pressing force of regulation.
Mentioning switching mechanism 52 has: be installed in the hook spare 11 on the hook spare S. A. 10 and be positioned at another distolateral clamping with roller 12 with respect to the part that contacts with tilting member 3 or tilting member 5.
As shown in Figure 2, be provided with semi-round slot part 15a clamping parts 15, so that the roller portion of clamping with roller 12a is positioned.When lift car 50 when travel in the below, the roller 1 that contacts with guide rail 24 under the effect of the surface of roller 1 and the friction force between guide rail 24 surfaces and rotate, thereby detects the speed of lift car 50 as shown by arrow B.
Fig. 3 is the A-A section-drawing of Fig. 2, and its situation to non-when action of mentioning mechanism 53 is described.
Rod member 14 is supported on the swing frame 9 in the mode that can swing by swing frame S. A. 13.And described swing frame rotatably is supported on the pedestal 25.On described rod member 14, be equipped with and clamp with S. A. 19, also be equipped with can with this clamp with S. A. 19 be S. A. be rotated clamp parts 15a and 15b.Described clamp be equipped with on parts 15a and the 15b relative with guide rail 24 to boots shape parts 20a and 20b.These boots shape parts 20a for example can be made of the material identical with emergency braking apparatus with 20b.And, set desirable value for for the power of clasping when mentioning mechanism 53 action, when boots shape parts 20a and 20b are clasped guide rail 24, also be equipped with and clamp with spring 17 and 18.Mentioning mechanism when being failure to actuate, clamping parts 15 and 16, clamping guide rail 24 to avoid it by clamping to pin with roller 12a and 12b.
Followingly the action of regulating mechanism 51 is described with reference to Fig. 4.
When lift car 50 travelled downwards, the roller 1 that contacts with guide rail 24 was to the direction rotation of arrow B indication.At the rotative speed of roller 1 during less than the speed of regulation, because the spring force of speed setting spring 8 is bigger than the centnifugal force that the rotation because of roller 1 produces on tilting member 3 and 5, so tilting member 5 can not be the direction rotation of center towards the arrow C indication with the S. A. 6 of tilting member.On the other hand, and when the rotative speed of roller 1 surpasses the speed (overrunning) of regulation, the centnifugal force of tilting member is greater than the spring force of speed setting spring 8, so tilting member is the direction rotation of center towards the arrow C indication with the S. A. of tilting member, 5a is outstanding towards the radius of rotation direction for the bump part.The described bump part 5a bump of having given prominence to mention on the hook spare of switching mechanism by bump part 11a, mention switch mechanism movement thereby make.
Followingly the action of mentioning switching mechanism is described with reference to Fig. 5.
As described in Fig. 4, by the bump of having given prominence to partly clash on the hook spare of mentioning switching mechanism by the bump part, make that to clamp with roller 12a be that S. A. rotates towards the direction of arrow D indication with hook spare S. A. 10.At this moment, the weight of tilting member is set to: the impact that is obtained can make to clamp only to surmount with roller 12a and be arranged on the slot part 15a that clamps on the parts 15.
Followingly describe with reference to the state of Fig. 6 when mentioning mechanism action.
As described in Fig. 5, the bump of having given prominence to partly clash on the hook spare of mentioning switching mechanism by the bump part, make to clamp to cross and be arranged on the slot part 15a that clamps on the parts 15 with roller 12a, with hook spare S. A. 10 is the direction rotation of S. A. towards arrow D indication, at this moment, clamp with spring 17 and 18 elongations, making and clamping parts 15 and 16 is the direction rotation of center towards arrow F and arrow E indication to clamp with S. A. 19.By this rotation, the boots shape parts 20a and the 20b that are installed on the end of clamping parts clamp guide rail 24 with the power of clasping of expectation value.
It is following that state during to non-when action of mentioning mechanism and action describes with reference to Fig. 7.Switch mechanism movement is mentioned in Fig. 7 (a) expression, and makes this situation in a flash that mechanism clasps guide rail of mentioning.Below lift car 50, be provided with not shown emergency braking apparatus, described emergency braking apparatus with mention rod and 21 be connected, this is mentioned rod 21 and is installed in that to be supported for to be on the rod member 14 that rotates of center with the rod member S. A..And, mention rod and 21 have threaded portion, can regulate it and concern with position between the rod member 14, can be used for regulating the mention time of emergency braking apparatus.State when mechanism action is mentioned in Fig. 7 (b) expression.When clamping parts and clasp guide rail,, relatively up move along the direction of arrow K indication so clasp part because lift car 50 moves towards the below.By clasping moving of part, rod member 14 be the center rotation with rod member S. A. 13, thereby near mentioning of will being provided with the other end that is positioned at rod member S. A. opposition side of rod member 14 excellent 21 mentioned towards the direction of arrow J indication.Mention after rod 21 is raised the action of not shown emergency braking apparatus.At this moment, before the emergency braking apparatus full action, clamp the guide rail of parts and clasp part also slidably.
According to present embodiment, by making regulating mechanism and mentioning mechanism and separate and can eliminate regulating mechanism and give and to mention the influence that mechanism brings.And, adopted by clamping parts and clamped the structure of guide rail owing to mention mechanism, mention power so can produce sufficient emergency braking, so can make the emergency braking apparatus action effectively.
Claims (2)
1. elevator car safety, has regulating mechanism, mention switching mechanism, mention mechanism and emergency braking apparatus, described regulating mechanism is oppositely arranged with guide rail on the hoist trunk wall that is arranged on the lift car both sides along the travel direction of lift car, and contact with described guide rail to detect the moving velocity of lift car, the described switching mechanism of mentioning moves when having surpassed the speed of regulation by described regulating mechanism, the described mechanism of mentioning is along with described action of mentioning switching mechanism, clasp guide rail and will mention rod and mention, described emergency braking apparatus and the described rod of mentioning link, when mention described when mentioning rod the described hoist trunk of described emergency braking apparatus clamping guide rail so that described lift car promptly stop, described elevator car safety is characterised in that
The described mechanism of mentioning is by constituting as the lower part: be supported for can distaff rod member, the boots shape parts of clamping the guide rail that is arranged on rod member one end swung of part S. A., be equipped with as described in boots shape parts clamp parts, rotatably clamp as described in supporting parts clamp with S. A. and to as described in clamp parts and provide the clamping of the power of clamping of clamping guide rail to use elastomeric element.
2. an elevator device has the described elevator car safety of claim 1.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006-075879 | 2006-03-20 | ||
| JP2006075879 | 2006-03-20 | ||
| JP2006075879A JP4802787B2 (en) | 2006-03-20 | 2006-03-20 | Elevator safety equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101041405A CN101041405A (en) | 2007-09-26 |
| CN101041405B true CN101041405B (en) | 2010-11-03 |
Family
ID=38590959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101424232A Expired - Fee Related CN101041405B (en) | 2006-03-20 | 2006-10-24 | Elevator safety device and elevator possessing the safety device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4802787B2 (en) |
| CN (1) | CN101041405B (en) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5386377B2 (en) * | 2010-01-05 | 2014-01-15 | 株式会社日立製作所 | Elevator equipment |
| KR20130040912A (en) * | 2010-05-18 | 2013-04-24 | 오티스 엘리베이터 컴파니 | Integrated elevator safety system |
| CN102502198B (en) * | 2011-10-13 | 2013-09-18 | 武汉人天包装技术有限公司 | Hanging transportation climbing deadlock device |
| CN102530676A (en) * | 2011-12-28 | 2012-07-04 | 江南嘉捷电梯股份有限公司 | Elevator safety protection device |
| CN103466495B (en) * | 2013-08-12 | 2015-10-14 | 杭州沪宁电梯配件有限公司 | A kind of dead electricity rail clamping device |
| CN104326325B (en) * | 2014-10-22 | 2016-08-17 | 厦门升通电梯有限公司 | Traction elevator limit slip device |
| CN106477405A (en) * | 2015-08-27 | 2017-03-08 | 富士电梯（合肥）有限公司 | A kind of lift speed and its control method |
| CN107673155B (en) | 2016-08-02 | 2021-03-26 | 奥的斯电梯公司 | Speed limiter assembly and elevator |
| CN106829682A (en) * | 2017-02-20 | 2017-06-13 | 宁波奥德普电梯部件有限公司 | A kind of mechanical trigger mechanism |
| CN107777504A (en) * | 2017-10-30 | 2018-03-09 | 宁波天弘电力器具有限公司 | A kind of full mechanical speed change centrifugation lock assembly |
| CN108033330A (en) * | 2017-12-14 | 2018-05-15 | 广州广日电梯工业有限公司 | The speed monitoring and brake apparatus of a kind of vertical lifting equipment |
| CN108275537B (en) * | 2018-03-22 | 2020-07-21 | 日立电梯（中国）有限公司 | Mechanical elevator speed-limiting safety tongs |
| CN110395641B (en) * | 2018-04-25 | 2021-12-14 | 奥的斯电梯公司 | Speed limiter assembly and elevator system |
| DE112018007600T5 (en) * | 2018-05-14 | 2021-01-28 | Mitsubishi Electric Corporation | Safety device for an elevator and safety system for an elevator |
| CN111268532B (en) * | 2018-12-04 | 2022-08-30 | 奥的斯电梯公司 | Overspeed protection switch, overspeed governor assembly, and elevator system |
| CN111377326A (en) * | 2018-12-29 | 2020-07-07 | 上海龙钰电梯配件有限公司 | Mechanical trigger mechanism of speed limiter |
| CN109809273A (en) * | 2019-03-18 | 2019-05-28 | 杭州异客科技有限公司 | A kind of elevator safety tongs |
| CN111824883B (en) * | 2019-04-15 | 2022-01-11 | 杭州沪宁电梯部件股份有限公司 | Diagnosis maintenance system based on elevator car |
| CN111824893B (en) * | 2019-04-15 | 2024-05-24 | 杭州沪宁电梯部件股份有限公司 | Roller speed measuring device |
| CN111824890B (en) * | 2019-04-15 | 2024-05-24 | 杭州沪宁电梯部件股份有限公司 | Emergency protection system for elevator car safety |
| CN111498638B (en) * | 2020-05-22 | 2024-08-09 | 福州快科电梯工业有限公司 | Elevator mechanical speed limiting protection device and working method thereof |
| CN114165538B (en) * | 2022-02-14 | 2022-05-17 | 河南工学院 | Safety device for preventing steel cable from breaking and falling and application of safety device in winch for livestock breeding |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5377786A (en) * | 1991-06-13 | 1995-01-03 | Kabushiki Kaisha Toshiba | Elevator with a governor |
| CN1397480A (en) * | 2002-08-14 | 2003-02-19 | 宁波欣达电梯配件厂 | Speed-limiting safety jaw |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2529093Y2 (en) * | 1991-10-25 | 1997-03-12 | オーチス エレベータ カンパニー | Governor with rope catch mechanism for elevator |
| JP3397692B2 (en) * | 1998-06-09 | 2003-04-21 | 東芝エレベータ株式会社 | Elevator safety equipment |
| JP3578010B2 (en) * | 1999-09-27 | 2004-10-20 | フジテック株式会社 | Elevator safety equipment |
| JP2001158579A (en) * | 1999-12-01 | 2001-06-12 | Hitachi Ltd | Governor for elevator and elevator |
| JP2002068634A (en) * | 2000-08-29 | 2002-03-08 | Hitachi Ltd | Emergency stopping device of elevator |
-
2006
- 2006-03-20 JP JP2006075879A patent/JP4802787B2/en not_active Expired - Fee Related
- 2006-10-24 CN CN2006101424232A patent/CN101041405B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5377786A (en) * | 1991-06-13 | 1995-01-03 | Kabushiki Kaisha Toshiba | Elevator with a governor |
| CN1397480A (en) * | 2002-08-14 | 2003-02-19 | 宁波欣达电梯配件厂 | Speed-limiting safety jaw |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101041405A (en) | 2007-09-26 |
| JP2007246268A (en) | 2007-09-27 |
| JP4802787B2 (en) | 2011-10-26 |
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Granted publication date: 20101103 Termination date: 20201024 |
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