CN2517715Y - Non-machine room elevator governor - Google Patents
Non-machine room elevator governor Download PDFInfo
- Publication number
- CN2517715Y CN2517715Y CN 01274864 CN01274864U CN2517715Y CN 2517715 Y CN2517715 Y CN 2517715Y CN 01274864 CN01274864 CN 01274864 CN 01274864 U CN01274864 U CN 01274864U CN 2517715 Y CN2517715 Y CN 2517715Y
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- CN
- China
- Prior art keywords
- velocity limiter
- machine
- coaxial transmission
- slide block
- roomless lift
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Abstract
The utility model relates to an elevator speed limiter without a machine room. A bearing seat and a friction gear are respectively fixed on the inner side of a U-shaped upright plate of a base seat, a rolling bearing is connected with a center axle, a rope pulley is connected on the center axle with keys, the safety switch of an electric device is triggered by a centrifugal fling piece, the electric device and a friction block are connected with a manual operated flexible device, the manual operated flexible device comprises four parts of a control rod component, a sliding block component, a sliding plate component, and two coaxial transmission lines, the sliding block component mutually acts with the friction block, the sliding plate component mutually acts with the electric device, one end of the both coaxial transmission lines is equipped on the left control rod and the right control rod of the control rod component, and the other ends are respectively connected on the corresponding sliding block and the sliding plate components, the coaxial transmission line is lengthened, and thus the control rod component can be fixed on the object being far from the speed limiter. The device can reset the speed limiter electric device out of the well, and also can perform a wired remote manual control out of the well to control the speed limiter to move under the condition that the elevator is in a lower running speed.
Description
The present invention relates to a kind of elevator governor.
In normal conditions, when elevator surpassed the setting speed operation, the velocity limiter action can start the safety tongs system.Usually on the velocity limiter switch is installed, is used for before the velocity limiter mechanical action, cutting off the working power of elevator traction machine, and can not automatically reset after the action.The mechanical action meeting limit speed for braking condition device rope of velocity limiter produces the power that lifts, and starts safety tongs device, the stop car.In addition, install in the dynamic test of velocity limiter-safety tongs, need velocity limiter under lower speed, to move at elevator.Usually elevator is provided with machine room, velocity limiter also is installed in the machine room, and personnel can be approaching easily, observe and the operation velocity limiter, in the above-mentioned situation, mechanical action, safety switch bidirectional-movement all can manually reset it, and linkage test also can the people make the velocity limiter action for opening centrifugal block for clutch use.Function that can precision maneuver when so organic machine room-free elevator velocity limiter only need reach the electric of setting and mechanical action speed.When but velocity limiter is placed on other positions that are difficult to approaching operation, be installed in the hoistway, just need open an independent access door, so that M/C velocity limiter and switch in the well enclosure relevant position as the machine-roomless lift velocity limiter.Set up access door and run into a lot of problems sometimes and be difficult to realize, and enter that operation has increased difficulty and danger to personnel in the hoistway.
The purpose of this invention is to provide a kind of machine-roomless lift velocity limiter, can be implemented in hoistway and control electrical reset and velocity limiter action outward.
Technical scheme of the present invention: the inboard at the base U-shaped riser of machine-roomless lift velocity limiter is fixed with bearing seat and friction wheel respectively, be connected with center shaft by antifriction-bearing box, rope sheave is connected on the center shaft with key, friction shoe and the semicircle centrifugal sheet that gets rid of are hinged to parallelogram, and the eccentric point by friction shoe is hinged on rope sheave one side with axle, form overlapping at axial space with friction wheel, the friction shoe surface forms a projection B, the two ends of retracing spring are installed in two centrifugal getting rid of on the sheet respectively, the centrifugal safety switch that gets rid of sheet triggering electric apparatus is characterized in that:
Its electric apparatus links to each other with a M/C flexible apparatus with friction shoe, the M/C flexible apparatus is made up of lever assembly, slide block assembly, skateboard component and coaxial transmission line four parts, slide block assembly and friction shoe effect, skateboard component and electric apparatus effect, one end of two coaxial transmission lines is installed on the left joystick and right joystick of lever assembly, other end correspondence respectively is connected on slide block assembly and the skateboard component, the lengthening coaxial transmission line can be fixed on the object away from velocity limiter lever assembly.
The slide block of above-mentioned slide block assembly and friction wheel and friction shoe are adjacent, place in the chute of friction wheel and U-shaped riser formation, and slider tail is equipped with small pressure spring, and lateral vertical is installed straight pin; Axis of guide afterbody passes retracing spring and coaxial transmission wire joint, and head withstands straight pin.
The slide plate of above-mentioned skateboard component is contained in the inboard of base U-shaped riser, moves along perpendicular to axial direction, and slide plate one end is through tensioning spring and coaxial transmission wire joint, and the other end is vertically installed two pushing blocks that electric apparatus is resetted.
Steel wire in the above-mentioned coaxial transmission line and slide block, slide plate interlock.
Above-mentioned lever assembly is fixed on outside the hoistway or in the wall of well, two joysticks are hinged on the support, and are spacing by bolt.
Above-mentioned slide block is stretched the effect with projection B from chute.
Above-mentioned pushing block is two and has strong market potential.
Centering block in above-mentioned slide plate and the electric apparatus is directly separated and is touched or leave.
A cover machine-roomless lift overspeed preventer device can respectively be installed in above-mentioned rope sheave both sides, becomes two-way machine-room-less speed limiter.
Principle of work of the present invention: in overspeed situation, when velocity limiter is lower than a certain speed of governor tripping speed, friction 6 is taken turns and is kept certain interval around friction wheel 2 rotations, the centrifugal sheet 7 that gets rid of outwards opens, the outshot at its edge and centering block 22 collisions make its rotation, circle re-packs and 21 also leaves the normal position along with turning over certain angle, makes arc-shaped surface depress switch 20 motion ends, cuts off the elevator working current.Herein also can be without switch, and use the device that can cut off the elevator power supply, this device can be circuit breaker or other suitable devices.If elevator speed still continues to increase, install because friction shoe 6 is eccentric, the centrifugal sheet 7 that gets rid of outwards opens more and more greatly, and it is close gradually to the outer round surface of friction wheel 2 to drive friction shoe 6, reach responsiveness, the centrifugal sheet 7 of getting rid of drives friction shoes 6 and rotates and contact with friction wheel 2 outer round surface.Friction wheel 2, friction shoe 6 outer round surface are all through processed, and friction coefficient is bigger, and the geometric relationship of position forms self-locking in contact back, surface big, friction shoe in addition.Can not rotate because of friction wheel 2 is fixed, rope sheave 4 is by stop after the self-locking, and the governor rope and the grooving of motion this moment produce friction force, thereby start the elevator safety forceps system.
After the velocity limiter action, machinery and electrical reset are as follows: after the mechanics action, upwards lift car, destroy the condition of self-locking of friction wheel, friction shoe, both will throw off voluntarily.After the separation, the centrifugal sheet 7 that gets rid of drives friction shoe 6 rotations under the effect of retracing spring 11, comes back to the normal position.After safety switch 20 actions, centering block 22 has departed from the normal position.Press down right joystick 30 and unclamp until spacing outside hoistway, slide plate 24 is spurred by finer wire 12, and on the slide plate 24 two have strong market potential and 28 centering block 22 pushed rotate to the normal position, and safety switch 20 automatically resets, and finishes electrical reset.In addition, no matter these skateboard component centering block 22 deflection beyonds all can reset, that is to say that the same operation of all available skateboard component of ascending for elevator or descending hypervelocity resets.
Dynamic linkage test operation after elevator is installed is as follows: at hoistway external pressure bottom left joystick 29 and maintain, the axis of guide 17 is return in the double bracket 16 by finer wire 12 pullings, slide block 13 is ejected chute in the friction wheel 2 by small pressure spring 15, and the front end of slide block 13 is on the rotational trajectory of projection B.This moment, elevator was with low speed when descending, projection B just with slide block 13 collisions, friction shoe 6 is forced to rotate and contact the formation self-locking with friction wheel 2, rope sheave is braked, and finishes the dynamic interlock of safety tongs-velocity limiter and tests.After the test, unclamp left joystick 29, under the pressure effect of retracing spring 18, the axis of guide 17 is compressed to slide block 13 in the chute, no longer influences the velocity limiter normal operation.The M/C flexible apparatus is made up of lever assembly, slide block assembly, skateboard component and four parts of coaxial transmission line, lever assembly with velocity limiter and outside in the coaxial transmission line 9 connection hoistways, can make the slide block assembly action at the left joystick of the subordinate pressure of hoistway external application, centrifugal block for clutch use can open when low speed, velocity limiter is mechanical action just, finishes dynamic test requirements.Outside hoistway, press down right joystick and make the skateboard component action, circle re-packs and is come back to the normal position, realizes resetting.
The coaxial transmission line softness is flexible, and the displacement that the outer manually operation rod of hoistway can be produced is sent to slide block assembly, the skateboard component on the velocity limiter accordingly.Skateboard component can make action parts of electric apparatus such as circle re-pack and rotate back into initial position.Slide block assembly can make the centrifugal sheet that gets rid of be flared to operating state rapidly when low speed, can make the velocity limiter action under any speed conditions.This device can distance control velocity limiter electrical reset and low speed action.Slide block assembly and skateboard component are fixed on the velocity limiter support, by the lengthening coaxial transmission line lever assembly are fixed on the object away from velocity limiter.
Advantage of the present invention is as follows: apparatus of the present invention can the long-distance remote control velocity limiter, make things convenient for velocity limiter to be installed in the hoistway, having solved velocity limiter therefore can't no longer need access door near the difficulty of operation, relaxed the installation restriction of velocity limiter, the number of times that the minimizing personnel operate in hoistway; Can the electric apparatus that be installed on the velocity limiter be resetted again, and not need to carry out more elevator operation by the outer simple manual operation of hoistway; Velocity limiter is moved under lower speed, finish the dynamic linkage test; Low to the element precision requirement, installation and maintenance are convenient, and the basic structure of velocity limiter need not change; Simple to operate, and outside hoistway by hand directly sense operation whether put in place and install service condition; Be applicable to unidirectional or two-way elevator governor.
Describe the present invention in detail below in conjunction with drawings and Examples:
Fig. 1 is the front view of machine-room-less speed limiter of the present invention;
Fig. 2 is the lateral plan of Fig. 1;
Fig. 3 is the A-A cutaway view of rope sheave half-twist among Fig. 2;
Fig. 4 is the scheme drawing of safety switch of the present invention and skateboard component.
Among the figure: the 1-bearing seat, the 2-friction wheel, 3-U shape riser, the 4-rope sheave, the 5-center shaft, the 6-friction shoe, the centrifugal sheet that gets rid of of 7-, 8-eccentric point axle, the 9-coaxial transmission line, the 10-major axis, the 11-spring, the 12-finer wire, the 13-slide block, the 14-straight pin, the 15-small pressure spring, the 16-double bracket, the 17-axis of guide, the 18-retracing spring, the 19-single-side stand, the 20-safety switch, the 21-circle re-packs, the 22-centering block, the 23-sleeve pipe, the 24-slide plate, the 25-support, the 26-tensioning spring, the 27-bolt, 28-has strong market potential, 29-left side joystick, the right joystick of 30-.
Embodiment: as shown in Figure 2, bearing seat 1 and friction wheel 2 are separately fixed at the inboard of the U-shaped riser 3 of velocity limiter base by bolt, and the rope sheave 4 usefulness keys that have grooving are connected on the center shaft 5, and 5 of center shafts are installed on bearing seat 1 and the friction wheel 2 with antifriction-bearing box.Friction shoe 6 and the semicircle centrifugal sheet 7 that gets rid of are hinged to parallelogram, and are hinged on rope sheave one side by the eccentric point of friction shoe 6 with axle 8, form overlapping at axial space with friction wheel 2.And using major axis 10 to connect near the hinge of center shaft 5 one sides, so being installed, back major axis 10 forms a projection B on friction shoe 6 surfaces, and velocity limiter is in responsiveness and speed when rotation of going to zero, and projection B motion forms two circus movement tracks and is called the 1st and the 2nd track.The two ends of retracing spring 11 are installed in two centrifugal getting rid of on the sheet 7 respectively, the centnifugal force that produces when being used for balance rotating, and can adjust spring and give the responsiveness that tight power is set velocity limiter.When rope sheave was static, under the application force of retracing spring 11, two centrifugal sheets 7 that get rid of abutted against together, and this moment, friction shoe 6 kept maximum clearance with friction wheel 2.
Slide block assembly is installed in lateral surface such as Fig. 1 and Fig. 3 of velocity limiter U-shaped riser 3.Slide block 13 lateral vertical are installed straight pin 14, slide block 13 are placed in the chute of friction wheel 2 and 3 formation of U-shaped riser, and at the afterbody of slide block 13 small pressure spring 15 are housed.Double bracket 16 is fixed on the side of U-shaped riser 3, and the axis of guide 17 compression reseting springs 18 pass double bracket 16, and head withstands on the straight pin 14, and afterbody is connected with the finer wire of coaxial transmission line, and the metal sleeve of coaxial transmission line is clamped by single-side stand 19.
Skateboard component also is contained on the velocity limiter base U-shaped riser 3 as Fig. 1.Electric apparatus comprises that safety switch 20, circle re-pack 21, centering block 22, the outside of safety switch 20 horizontal fixed U-shaped risers 3, and motion end is placed on circle and re-packs in 21 the V-shaped groove.On centering block 22 and the circular 21 coaxial sleeve pipes 23 that are contained in base U-shaped riser 3 that re-pack, can freely rotate.The centrifugal sheet 7 of getting rid of is done the time spent with centering block 22, and centering block 22 drives circles and re-packs and 21 rotate, and the motion end of the circular 21 arc surface depress switch that re-pack of order cuts off the power supply of towing machine.After safety switch 20 action, the rotation circle re-packs 21 when coming back to the normal position, and electric apparatus just can reset.In other words, when elevator traction machine disconnects working power, must reset again, elevator can restart.Its reset components slide plate 24 and the safety switch 20 corresponding inboards that are contained in base U-shaped riser 3, and be connected with the finer wire of coaxial transmission line.During normal condition, spring 26 effect that is tensioned, slide plate 24 is being with finer wire to slide until limited, makes on the slide plate 24 vertically arranged two to have strong market potential 28 away from centering block 22.
The medium that the coaxial transmission line 9 that adopts rigidity is got in touch outward as velocity limiter in the hoistway and hoistway, its structure is that finer wire 12 can bear bigger pulling force for the centre, coated outside metal sleeve incompressible but can be crooked, leave the space between finer wire and the metal sleeve, can in metal sleeve, slide when finer wire is subjected to tension along axis direction.Utilize the characteristic that it can be crooked, just can be easily mounted on complicated well enclosure or other fixed objects and do not influence the operation of elevator.
Have two coaxial transmission line 9, one ends to be installed on the left joystick 29 and right joystick 30 of lever assembly in apparatus of the present invention, other end correspondence respectively is connected on slide block assembly and the skateboard component.
Lever assembly is fixed on outside the hoistway or the position that is suitable for operating in the wall of well, and can not be touched by the NOT operation personnel as the part of controlling of the outer remote control velocity limiter of hoistway among the present invention, can be contained in the casing, and chamber door should be locked.Lever assembly has two pivotally attached joysticks, is used for M/C, and each joystick is fixed the finer wire 12 of a coaxial transmission line, and metal sleeve is snap-fit on the support 25.When pressing down joystick, the finer wire 12 in the coaxial transmission line 9 is drawn out, and when reaching certain-length, joystick is spacing by bolt 27, but also the length of adjustable bolt 27 precessions changes the length that steel wire is drawn out.The length that normal circumstances, finer wire are drawn out equates with the operating distance of the power element of the finer wire other end.
Claims (9)
1, a kind of machine-roomless lift velocity limiter, the inboard of base U-shaped riser is fixed with bearing seat and friction wheel respectively, be connected with center shaft by antifriction-bearing box, rope sheave is connected on the center shaft with key, friction shoe and the semicircle centrifugal sheet that gets rid of are hinged to parallelogram, and the eccentric point by friction shoe is hinged on rope sheave one side with axle, form overlapping at axial space with friction wheel, the friction shoe surface forms a projection B, the two ends of retracing spring are installed in two centrifugal getting rid of on the sheet respectively, the centrifugal safety switch that gets rid of sheet triggering electric apparatus is characterized in that:
Its electric apparatus links to each other with a M/C flexible apparatus with friction shoe, the M/C flexible apparatus is made up of lever assembly, slide block assembly, skateboard component and coaxial transmission line four parts, slide block assembly and friction shoe effect, skateboard component and electric apparatus effect, one end of two coaxial transmission lines is installed on the left joystick and right joystick of lever assembly, other end correspondence respectively is connected on slide block assembly and the skateboard component, the lengthening coaxial transmission line can be fixed on the object away from velocity limiter lever assembly.
2, machine-roomless lift velocity limiter as claimed in claim 1, it is characterized in that: the slide block of described slide block assembly and friction wheel and friction shoe are adjacent, place in the chute of friction wheel and U-shaped riser formation, and slider tail is equipped with small pressure spring, and lateral vertical is installed straight pin; Axis of guide afterbody passes retracing spring and coaxial transmission wire joint, and head withstands straight pin.
3, machine-roomless lift velocity limiter as claimed in claim 1, it is characterized in that: the slide plate of described skateboard component is contained in the inboard of base U-shaped riser, move along perpendicular to axial direction, slide plate one end is through tensioning spring and coaxial transmission wire joint, and the other end is vertically installed two pushing blocks that electric apparatus is resetted.
4, machine-roomless lift velocity limiter as claimed in claim 1 is characterized in that: steel wire in the described coaxial transmission line and slide block, slide plate interlock.
5, machine-roomless lift velocity limiter as claimed in claim 1 is characterized in that: described lever assembly is fixed on outside the hoistway or in the wall of well, two joysticks are hinged on the support, and are spacing by bolt.
6, machine-roomless lift velocity limiter as claimed in claim 2 is characterized in that: described slide block is stretched the effect with projection B from chute.
7, machine-roomless lift velocity limiter as claimed in claim 3 is characterized in that: described pushing block is two and has strong market potential.
8, machine-roomless lift velocity limiter as claimed in claim 1 is characterized in that: the centering block in described slide plate and the electric apparatus is directly separated and is touched or leave.
9, machine-roomless lift velocity limiter as claimed in claim 1 is characterized in that: a cover machine-roomless lift overspeed preventer device is respectively installed in described rope sheave both sides, becomes two-way machine-room-less speed limiter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01274864 CN2517715Y (en) | 2001-11-23 | 2001-11-23 | Non-machine room elevator governor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01274864 CN2517715Y (en) | 2001-11-23 | 2001-11-23 | Non-machine room elevator governor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2517715Y true CN2517715Y (en) | 2002-10-23 |
Family
ID=33679394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01274864 Expired - Fee Related CN2517715Y (en) | 2001-11-23 | 2001-11-23 | Non-machine room elevator governor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2517715Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101973475A (en) * | 2010-10-29 | 2011-02-16 | 江南嘉捷电梯股份有限公司 | Tension device of speed governor of elevator |
| US7954605B2 (en) | 2005-09-09 | 2011-06-07 | Otis Elevator Company | Electric safety switch resetting device for a car safety device of elevators |
| CN102556799A (en) * | 2011-12-23 | 2012-07-11 | 宁波申菱电梯配件有限公司 | Device for preventing lift car of lift from accidentally moving |
| CN104192667A (en) * | 2014-09-28 | 2014-12-10 | 苏州福沃斯电梯有限公司 | Speed limiter for elevator |
| CN102471012B (en) * | 2009-07-20 | 2015-10-07 | 奥的斯电梯公司 | Elevator governor system |
| CN106315335A (en) * | 2016-10-26 | 2017-01-11 | 日立电梯（中国）有限公司 | Automatic resetting device of speed limiter |
| CN107285158A (en) * | 2017-08-08 | 2017-10-24 | 河北东方富达机械有限公司 | A kind of rejection tablet formula elevator governor |
| CN108002168A (en) * | 2016-10-27 | 2018-05-08 | 奥的斯电梯公司 | Remote triggering device, governor assemblies and elevator |
| CN107285158B (en) * | 2017-08-08 | 2024-06-11 | 河北东方富达机械有限公司 | Flighted piece formula elevator overspeed governor |
-
2001
- 2001-11-23 CN CN 01274864 patent/CN2517715Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7954605B2 (en) | 2005-09-09 | 2011-06-07 | Otis Elevator Company | Electric safety switch resetting device for a car safety device of elevators |
| CN102471012B (en) * | 2009-07-20 | 2015-10-07 | 奥的斯电梯公司 | Elevator governor system |
| CN101973475A (en) * | 2010-10-29 | 2011-02-16 | 江南嘉捷电梯股份有限公司 | Tension device of speed governor of elevator |
| CN101973475B (en) * | 2010-10-29 | 2012-08-22 | 江南嘉捷电梯股份有限公司 | Tension device of speed governor of elevator |
| CN102556799A (en) * | 2011-12-23 | 2012-07-11 | 宁波申菱电梯配件有限公司 | Device for preventing lift car of lift from accidentally moving |
| CN102556799B (en) * | 2011-12-23 | 2014-02-12 | 宁波申菱电梯配件有限公司 | Device for preventing lift car of lift from accidentally moving |
| CN104192667A (en) * | 2014-09-28 | 2014-12-10 | 苏州福沃斯电梯有限公司 | Speed limiter for 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 |
| CN108002168A (en) * | 2016-10-27 | 2018-05-08 | 奥的斯电梯公司 | Remote triggering device, governor assemblies and elevator |
| US10759631B2 (en) | 2016-10-27 | 2020-09-01 | Otis Elevator Company | Remote triggering device, overspeed governor assembly and elevator |
| CN107285158A (en) * | 2017-08-08 | 2017-10-24 | 河北东方富达机械有限公司 | A kind of rejection tablet formula elevator governor |
| CN107285158B (en) * | 2017-08-08 | 2024-06-11 | 河北东方富达机械有限公司 | Flighted piece formula elevator overspeed governor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |