CN103010890A - Speed limiter of elevator - Google Patents
Speed limiter of elevator Download PDFInfo
- Publication number
- CN103010890A CN103010890A CN2012105527981A CN201210552798A CN103010890A CN 103010890 A CN103010890 A CN 103010890A CN 2012105527981 A CN2012105527981 A CN 2012105527981A CN 201210552798 A CN201210552798 A CN 201210552798A CN 103010890 A CN103010890 A CN 103010890A
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- support
- ratchet
- rope
- rope sheave
- centrifugal hammer
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Abstract
The invention relates to a speed limiter of an elevator. The speed limiter of the elevator comprises a machine seat (1), a rope wheel (2), an eccentric hammer (3), a ratchet wheel (4), a pawl (5), a brake device (6) and a manual trigger device (7). The detection and test operation of the speed limiter can be conveniently performed by using the manual trigger device according to an automatic reset function of the pawl; the speed limiter can be reset by the reverse operation of the elevator, the separation of the pawl from the ratchet wheel and the actuation of a torsion spring; and the pawl is not required to be manually stirred, a potential safety hazard is eliminated, and the safety performance of the speed limiter is improved.
Description
Technical field
The present invention relates to a kind of elevator governor, relate in particular to a kind ofly can automatically reset, safe and reliable elevator governor.
Background technology
Now widely used elevator car safety all is to drive the safety tongs action that is installed on the car by velocity limiter, and deceleration of elevator is stopped.Rope sheave on the velocity limiter is around hanging with the steel rope that is connected with safety tongs on the lift car, can make governor sheave and car synchronized operation, centrifugal hammer on the rope sheave rotates by means of the centnifugal force that the rope sheave rotation produces, after the rotative speed of governor sheave exceeds the first limited speed, electric switch striker bump electric switch on the centrifugal hammer cuts off the electric power supply of elevator.After continuation falls to reaching the second limited speed such as elevator, centrifugal hammer drive on the rope sheave the ratchet action and with the ratchet interlock, force rope sheave to stop, and trigger the brake equipment on the velocity limiter, steel rope is braked piece and compresses, thereby utilizes the wire rope pulling safety tongs action of tensioning to make elevator out of service.
Existing velocity limiter is carrying out needing the live ladder practical operation when velocity limiter detects, operation inconvenience, carrying out limiting device when resetting, electrical reset again after needing armstrong's patent to reset, not by this step operation, mechanical return-suddenly running of elevator has hired roughneck's potential safety hazard when manually stirring ratchet again in first electric involution such as the field staff.
Summary of the invention
For the problems referred to above, main purpose of the present invention is to provide a kind of and can detects easy to operately, automatically resets, safe and reliable elevator governor.
The present invention solves above-mentioned technical matters by following technical proposals: a kind of elevator governor, described elevator governor comprises support, rope sheave, centrifugal hammer, ratchet, ratchet, brake equipment and manual initiating device, described support is U-shaped structure, described rope sheave is articulated on the support by sheave shaft, steel rope is walked around rope sheave, described centrifugal hammer is symmetrical, be articulated on the rope sheave by the centrifugal hammer axle rotationally, electric switch also is installed on support, be equipped with on the electric switch and re-pack, be provided with the electric switch striker on the described centrifugal hammer, described ratchet is rotatably installed on the described sheave shaft, described ratchet is installed on the rope sheave rotationally and with centrifugal hammer is coaxial, and described ratchet and ratchet remain the trend that staggers, and that end away from ratchet on described ratchet is installed actuation screw;
Described brake equipment one end is articulated on the ratchet, and the other end is articulated on the support,
Described manual initiating device, comprise brake cable, brake cable seat, triggering plectrum, plectrum rotating shaft, reset tension spring, triggering striker, described brake cable seat is fixed on the support, the mounting hole that described brake cable passes brake cable seat is connected rotationally with an end of described triggering plectrum, the other end of described triggering plectrum is installed in rotation on described support by described plectrum rotating shaft, one end of described reset tension spring is fixed on the support, the other end is connected to described brake cable and triggers on the pivot of plectrum pivot joint, and described triggering striker is installed on the centrifugal hammer.
In specific embodiments of the invention, have the circular arc draw-in groove concentric with sheave shaft on the described ratchet, the external part that is installed in the pin on the support stretches in the circular arc draw-in groove of described ratchet.
In specific embodiments of the invention, described ratchet is articulated on the rope sheave by described centrifugal hammer axle, between described ratchet and the rope sheave reseting elastic element is installed.
In the specific implementation process, described reseting elastic element can be torsion spring, and described torsion spring is installed on the described centrifugal hammer axle, and described torsion spring two ends are fixed with ratchet and rope sheave respectively.
Described reseting elastic element also can be extension spring, and an end of described extension spring links to each other with an end of described ratchet, and the other end of extension spring is connected on the rope sheave.
In specific embodiments of the invention, described brake equipment comprises slipper, brake axle, press rope support, press the rope support axle, retarding spring, the switch triggering handle, described pressure rope support is by pressing the rope support axle to be installed in rotation on the support, pressing on the rope support by brake axle installation slipper, described switch triggering handle one end is articulated on the described ratchet, the other end passes on the described pressure rope support and stretches out behind the hole away from support one end, sponson is installed described retarding spring by nut, described retarding spring one end contacts with described pressure rope support, and the other end contacts with the nut of switch triggering handle.
In specific embodiments of the invention, described triggering plectrum is arc surface near the side of described rope sheave outside face.
The present invention is by brake equipment and manual initiating device, can carry out easily detection and the experimental work of velocity limiter, and when velocity limiter resets, only need by the elevator antiport, after ratchet and ratchet unclamp, but under the actuating of torsion spring automatic resetting, need not manually stir again ratchet, eliminate potential safety hazard, improved the safety performance of velocity limiter.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the three-dimensional structure scheme drawing of manual initiating device of the present invention.
Fig. 3 is a kind of scheme of installation of ratchet among the figure l.
Fig. 4 is the another kind of scheme of installation of ratchet among the figure l.
Fig. 5 is the structural representation that triggers plectrum among Fig. 1.
The specific embodiment
Provide preferred embodiment of the present invention below in conjunction with accompanying drawing, to describe technical scheme of the present invention in detail.
As shown in Figure 1, a kind of elevator governor, comprise support 1, rope sheave 2, centrifugal hammer 3, ratchet 4, ratchet 5, brake equipment 6 and manual initiating device 7, support 1 is U-shaped structure, rope sheave 2 is articulated on the support 1 by sheave shaft 15, steel rope 16 is walked around rope sheave 2, centrifugal hammer 3 symmetries, be articulated on the rope sheave 2 by centrifugal hammer axle 25 rotationally, electric switch 27 also is installed on support 1, be equipped with on the electric switch 27 and re-pack 28, be provided with electric switch striker 26 on the centrifugal hammer 3, ratchet 4 is rotatably installed on the sheave shaft 15, ratchet 5 rotationally and with centrifugal hammer 3 coaxial being installed on the rope sheave 2, and ratchet 5 remains the trend that staggers with ratchet 4, that end away from ratchet 4 on ratchet 5 is installed actuation screw 29; Brake equipment 6 one ends are articulated on the ratchet 4, and the other end is articulated on the support 1; As shown in Figure 2, manual initiating device 7, comprise brake cable 9, brake cable seat 10, triggering plectrum 11, plectrum rotating shaft 12, reset tension spring 13, trigger striker 14, brake cable seat 10 is fixed on the support 1, the mounting hole that brake cable 9 passes brake cable seat 10 is connected rotationally with an end that triggers plectrum 11, the other end that triggers plectrum 11 is installed in rotation on support 1 by plectrum rotating shaft 12, one end of reset tension spring 13 is fixed on the support 1, the other end is connected to brake cable 9 and triggers on the pivot of plectrum 11 pivot joints, triggers striker 14 and is installed on the centrifugal hammer 3.
Have the circular arc draw-in groove concentric with sheave shaft 15 on the ratchet 4, the external part that is installed in the pin 18 on the support 1 stretches in the circular arc draw-in groove of ratchet 4.
In specific embodiments of the invention, ratchet 5 is articulated on the rope sheave 2 by centrifugal hammer axle 25, between ratchet 5 and rope sheave 2 reseting elastic element is installed.
The reseting elastic element of ratchet 5 can have two kinds, and is a kind of for as shown in Figure 3, adopts the mode of torsion spring 8, and torsion spring 8 is enclosed within on the sheave shaft 15, and torsion spring 8 two ends are fixed with ratchet 5 and rope sheave 2 respectively.Another kind adopts the mode of extension spring 81 as shown in Figure 4, and an end of extension spring 81 links to each other with an end of ratchet 5, and the other end is connected on the rope sheave 2.
Brake equipment 6 comprises slipper 19, brake axle 20, press rope support 21, press rope support axle 22, retarding spring 23, switch triggering handle 24, press rope support 21 by pressing rope support axle 22 to be installed in rotation on the support 1, pressing rope support 21 by brake axle 20 installation slipper 19, switch triggering handle 24 1 ends are articulated on the ratchet 4, the other end passes to press on the rope support 21 and stretches out behind the hole away from support 1 one ends, sponson is installed retarding spring 23 by nut, retarding spring 23 1 ends contact with pressing rope support 21, and the other end contacts with the nut of switch triggering handle 24.
As shown in Figure 5, triggering plectrum 11 is arc surface near the side of rope sheave 2 outside faces.
In the practical application, reach the first speed limit of velocity limiter when elevator stall after, centrifugal hammer 3 rotates because of centnifugal force, re-pack 28 on the electric switch striker 26 bump electric switches 27 on it, elevator safety loop disconnects, and the elevator power supply is cut off, the traction machine brake action, elevator stops; Untimely or the inefficacy such as the traction machine brake action, after elevator stall reaches the second speed limit of velocity limiter, centrifugal hammer 3 is rotated further, make ratchet 4 and ratchet 5 interlocks by actuation screw 29, because ratchet 5 rotates by a small margin with rope sheave 2, force ratchet 4 to rotate by a small margin with rope sheave 2, and ratchet 4 is owing to be subjected to the restriction of pin 18 on the support, can only rotate to an angle, after rotating by a small margin, ratchet 4 drives connected switch triggering handle 24 Small-angle Rotations, pressure rope support 21 in the brake equipment 6 that links to each other with switch triggering handle 24 is swung to rope sheave 2 directions around pressure rope support axle 22, be fixed in the slipper 19 of pressing on the rope support 21 and compress steel rope 16 thereupon, realize the braking of elevator governor.
When carrying out the detection of elevator governor and safety tongs, make elevator move with inspection speed or command speed downwards, dropping manual triggers brake cable 9 with hand rotates coupled triggering plectrum 11 and bumps against with manual triggers striker 14 on the centrifugal hammer 3, force centrifugal hammer 3 to rotate, when centrifugal hammer turns to the first speed limit position, electric switch striker 26 bump electric switches on it re-pack 28, and elevator safety loop disconnects, and elevator is stopped by anxious; When centrifugal hammer 3 is rotated further the second speed limit position, make ratchet 5 and ratchet 4 interlocks by actuation screw 29, drive the braking of brake equipment 6 realization elevator governors by the small size rotation of ratchet 4.
When velocity limiter resets, by hand turning or short circuit safety return circuit reverse starting elevator, ratchet 5 is with rope sheave 2 counter-rotatings, and get loose with ratchet 4, ratchet 5 after unclamping automatically springs open and resets to initial condition under the actuating of torsion spring 8 or extension spring 81, after ratchet 5 gets loose with ratchet 4, under the effect of the retarding spring 23 on the brake equipment 6, switch triggering handle 24 resets, and presses the slipper 19 on the rope support 21 to unclamp steel rope 16; The hand reset electric switch 27 again, and velocity limiter can recover normal operation.
More than show and described groundwork of the present invention and principal character and advantage of the present invention.The technical personnel of the industry should be understood; the present invention is not restricted to the described embodiments; that describes in above-described embodiment and the specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications; these changes and improvements all fall in the claimed scope of the invention, and the claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (7)
1. elevator governor, described elevator governor comprises support, rope sheave, centrifugal hammer, ratchet, ratchet, brake equipment and manual initiating device, described support is U-shaped structure, described rope sheave is articulated on the support by sheave shaft, steel rope is walked around rope sheave, one end is connected with lift car, described centrifugal hammer is symmetrical, be articulated on the rope sheave by the centrifugal hammer axle rotationally, electric switch also is installed on support, be equipped with on the electric switch and re-pack, be provided with the electric switch striker on the described centrifugal hammer, it is characterized in that, described ratchet is installed on the rope sheave rotationally and with centrifugal hammer is coaxial, and described ratchet keeps actuating by screw and centrifugal hammer, and described ratchet torsion spring or extension spring actuate the trend that staggers with ratchet that remains;
Described brake equipment one end is articulated on the ratchet, and the other end is articulated on the support,
Described manual initiating device, comprise brake cable, brake cable seat, triggering plectrum, plectrum rotating shaft, reset tension spring, triggering striker, described brake cable seat is fixed on the support, the mounting hole that described brake cable passes brake cable seat is connected rotationally with an end of described triggering plectrum, the other end of described triggering plectrum is installed in rotation on described support by described plectrum rotating shaft, one end of described reset tension spring is fixed on the support, the other end is connected to described brake cable and triggers on the pivot of plectrum pivot joint, and described triggering striker is installed on the centrifugal hammer.
2. elevator governor according to claim 1, it is characterized in that: have the circular arc draw-in groove concentric with sheave shaft on the described ratchet, the external part that is installed in the pin on the support stretches in the circular arc draw-in groove of described ratchet.
3. elevator governor according to claim 1, it is characterized in that: described ratchet is articulated on the rope sheave by described centrifugal hammer axle, between described ratchet and the rope sheave reseting elastic element is installed.
4. elevator governor according to claim 3, it is characterized in that: described reseting elastic element is torsion spring, and described torsion spring is installed on the described centrifugal hammer axle, and described torsion spring two ends are fixed with ratchet and rope sheave respectively.
5. elevator governor according to claim 3, it is characterized in that: described reseting elastic element is extension spring, and an end of described extension spring links to each other with an end of described ratchet, and the other end of extension spring is connected on the rope sheave.
6. elevator governor according to claim 1, it is characterized in that: described brake equipment comprises slipper, brake axle, press rope support, press the rope support axle, retarding spring, the switch triggering handle, described pressure rope support is by pressing the rope support axle to be installed in rotation on the support, pressing on the rope support by brake axle installation slipper, described switch triggering handle one end is articulated on the described ratchet, the other end passes on the described pressure rope support and stretches out behind the hole away from support one end, sponson is installed described retarding spring by nut, described retarding spring one end contacts with described pressure rope support, and the other end contacts with the nut of switch triggering handle.
7. elevator governor according to claim 1 is characterized in that: described triggering plectrum is arc surface near the side of described rope sheave outside face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210552798.1A CN103010890B (en) | 2012-12-18 | 2012-12-18 | A kind of elevator governor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210552798.1A CN103010890B (en) | 2012-12-18 | 2012-12-18 | A kind of elevator governor |
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| Publication Number | Publication Date |
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| CN103010890A true CN103010890A (en) | 2013-04-03 |
| CN103010890B CN103010890B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210552798.1A Active CN103010890B (en) | 2012-12-18 | 2012-12-18 | A kind of elevator governor |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407855A (en) * | 2013-09-02 | 2013-11-27 | 苏州尼隆电梯部件有限公司 | Elevator speed governor |
| CN103523629A (en) * | 2013-10-31 | 2014-01-22 | 西继迅达（许昌）电梯有限公司 | Bidirectional machine-room-less speed limiter |
| CN103991770A (en) * | 2014-05-23 | 2014-08-20 | 苏州莱茵电梯制造有限公司 | Elevator speed governor |
| CN105883530A (en) * | 2016-03-29 | 2016-08-24 | 苏州博量电梯科技有限公司 | Braking device and method for preventing elevator from accidentally moving |
| CN106315335A (en) * | 2016-10-26 | 2017-01-11 | 日立电梯（中国）有限公司 | Automatic resetting device of speed limiter |
| CN107055227A (en) * | 2017-05-11 | 2017-08-18 | 宁波宏大电梯有限公司 | Automatic control adjusting apparatus and method during a kind of elevator additional brake misoperation |
| CN107673159A (en) * | 2016-08-01 | 2018-02-09 | 奥的斯电梯公司 | The limiter of speed of lift |
| CN108275532A (en) * | 2018-03-05 | 2018-07-13 | 宁波元吉智能科技有限公司 | A kind of elevator governor |
| CN108358008A (en) * | 2018-03-05 | 2018-08-03 | 宁波元吉智能科技有限公司 | Elevator speed limiter with machine room |
| CN108423512A (en) * | 2018-03-05 | 2018-08-21 | 宁波元吉智能科技有限公司 | Elevator speed limitor without machine room |
| CN108675079A (en) * | 2018-08-07 | 2018-10-19 | 重庆科技学院 | A kind of elevator governor auxiliary device |
| CN109516335A (en) * | 2018-12-07 | 2019-03-26 | 中山职业技术学院 | A kind of machine-room-less speed limiter |
| CN109969898A (en) * | 2017-12-28 | 2019-07-05 | 奥的斯电梯公司 | Remote triggering device, governor assemblies and elevator |
| CN110203790A (en) * | 2019-05-20 | 2019-09-06 | 宁波申菱机电科技股份有限公司 | Limiter of speed |
| CN111498640A (en) * | 2020-06-02 | 2020-08-07 | 宁波元吉智能科技有限公司苏州分公司 | Braking device and elevator speed limiter comprising same |
| CN115507266A (en) * | 2022-10-22 | 2022-12-23 | 赣州市宝明显示科技有限公司 | Multi-angle rotating support for display screen |
| CN110271935B (en) * | 2018-03-15 | 2023-08-01 | 杭州沪宁电梯部件股份有限公司 | Rope sheave overspeed governor trigger mechanism |
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| CN201647764U (en) * | 2010-04-21 | 2010-11-24 | 河北东方富达机械有限公司 | Lift speed limiter |
| CN201694706U (en) * | 2010-04-21 | 2011-01-05 | 河北东方富达机械有限公司 | Elevator speed limiter |
| CN203143862U (en) * | 2012-12-18 | 2013-08-21 | 上海吉亿电机有限公司 | Elevator speed limiter |
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407855A (en) * | 2013-09-02 | 2013-11-27 | 苏州尼隆电梯部件有限公司 | Elevator speed governor |
| CN103523629A (en) * | 2013-10-31 | 2014-01-22 | 西继迅达（许昌）电梯有限公司 | Bidirectional machine-room-less speed limiter |
| CN103991770A (en) * | 2014-05-23 | 2014-08-20 | 苏州莱茵电梯制造有限公司 | Elevator speed governor |
| CN105883530A (en) * | 2016-03-29 | 2016-08-24 | 苏州博量电梯科技有限公司 | Braking device and method for preventing elevator from accidentally moving |
| CN107673159A (en) * | 2016-08-01 | 2018-02-09 | 奥的斯电梯公司 | The limiter of speed of lift |
| US10442661B2 (en) | 2016-08-01 | 2019-10-15 | Otis Elevator Company | Governor of elevator |
| CN106315335A (en) * | 2016-10-26 | 2017-01-11 | 日立电梯（中国）有限公司 | Automatic resetting device of speed limiter |
| CN106315335B (en) * | 2016-10-26 | 2019-09-13 | 日立电梯（中国）有限公司 | A kind of limiter of speed automatic reset device |
| CN107055227A (en) * | 2017-05-11 | 2017-08-18 | 宁波宏大电梯有限公司 | Automatic control adjusting apparatus and method during a kind of elevator additional brake misoperation |
| CN109969898A (en) * | 2017-12-28 | 2019-07-05 | 奥的斯电梯公司 | Remote triggering device, governor assemblies and elevator |
| CN108358008B (en) * | 2018-03-05 | 2023-06-30 | 苏州普乐太自控技术有限公司 | Elevator speed limiter with machine room |
| CN108423512A (en) * | 2018-03-05 | 2018-08-21 | 宁波元吉智能科技有限公司 | Elevator speed limitor without machine room |
| CN108358008A (en) * | 2018-03-05 | 2018-08-03 | 宁波元吉智能科技有限公司 | Elevator speed limiter with machine room |
| CN108275532A (en) * | 2018-03-05 | 2018-07-13 | 宁波元吉智能科技有限公司 | A kind of elevator governor |
| CN108423512B (en) * | 2018-03-05 | 2023-06-13 | 苏州普乐太自控技术有限公司 | Elevator speed limiter without machine room |
| CN108275532B (en) * | 2018-03-05 | 2023-06-30 | 苏州普乐太自控技术有限公司 | Elevator speed limiter |
| CN110271935B (en) * | 2018-03-15 | 2023-08-01 | 杭州沪宁电梯部件股份有限公司 | Rope sheave overspeed governor trigger mechanism |
| CN108675079A (en) * | 2018-08-07 | 2018-10-19 | 重庆科技学院 | A kind of elevator governor auxiliary device |
| CN108675079B (en) * | 2018-08-07 | 2023-04-07 | 重庆科技学院 | Elevator overspeed governor auxiliary device |
| CN109516335A (en) * | 2018-12-07 | 2019-03-26 | 中山职业技术学院 | A kind of machine-room-less speed limiter |
| CN109516335B (en) * | 2018-12-07 | 2024-04-26 | 中山职业技术学院 | No computer lab overspeed governor |
| CN110203790A (en) * | 2019-05-20 | 2019-09-06 | 宁波申菱机电科技股份有限公司 | Limiter of speed |
| CN111498640A (en) * | 2020-06-02 | 2020-08-07 | 宁波元吉智能科技有限公司苏州分公司 | Braking device and elevator speed limiter comprising same |
| CN111498640B (en) * | 2020-06-02 | 2024-04-26 | 广东聚科源楼宇科技有限公司 | Braking device and elevator speed limiter comprising same |
| CN115507266A (en) * | 2022-10-22 | 2022-12-23 | 赣州市宝明显示科技有限公司 | Multi-angle rotating support for display screen |
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Effective date of registration: 20171129 Address after: 201615 Shanghai, Songjiang District, No. nine new road, No. 99 Patentee after: Yungtay elevator equipment Co., Ltd. (China) Address before: 201615 Shanghai city Songjiang District town Jiuting Yaohan Road No. 77 Patentee before: Shanghai GIE EM Co., Ltd. |
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Effective date of registration: 20190802 Address after: 201615 Shanghai city Songjiang District town Jiuting Yaohan Road No. 77 Patentee after: Shanghai GIE EM Co., Ltd. Address before: 201615 Shanghai, Songjiang District, No. nine new road, No. 99 Patentee before: Yungtay elevator equipment Co., Ltd. (China) |
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