CN108675079A - A kind of elevator governor auxiliary device - Google Patents
A kind of elevator governor auxiliary device Download PDFInfo
- Publication number
- CN108675079A CN108675079A CN201810888450.7A CN201810888450A CN108675079A CN 108675079 A CN108675079 A CN 108675079A CN 201810888450 A CN201810888450 A CN 201810888450A CN 108675079 A CN108675079 A CN 108675079A
- Authority
- CN
- China
- Prior art keywords
- bent plate
- nose bar
- rotating shaft
- push rod
- pawl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/044—Mechanical overspeed governors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses a kind of elevator governor auxiliary devices.It includes central rotating shaft, rope sheave and ratchet are installed on central rotating shaft, centrifugal hammer is installed on rope sheave, trigger lock tongue and pawl, the triggering lock tongue is equipped with first nose bar parallel with central rotating shaft, the pawl is equipped with second nose bar parallel with central rotating shaft, it further include a fixed plate, fixed plate is equipped with rotatable first bent plate, second bent plate, one end of first bent plate and one end of the second bent plate are hinged by an electromagnetism push rod, electromagnetism push rod is electrically connected with the device for monitoring speed of elevator, the fixed plate is equipped with the guide groove for the electromagnetism pushrod movement, when electromagnetism pushrod movement, it drives the first bent plate to rotate and abuts the first nose bar to make triggering lock tongue discharge pawl, it drives the second bent plate to rotate simultaneously and abuts the second nose bar to make pawl be embedded in ratchet.
Description
Technical field
The invention belongs to elevator governor fields, are related to a kind of elevator governor auxiliary device.
Background technology
Existing elevator governor includes central rotating shaft, and rope sheave and ratchet are equipped on central rotating shaft, be equipped on rope sheave from
Heart hammer, triggering lock tongue and pawl, braking principle are：When the movement speed of limiter of speed reaches the 115% of rated speed of lift, from
Heart hammer is thrown away outward by centrifugal force, pushes triggering lock tongue action, is caused to trigger lock tongue and is unclamped and discharge pawl upwards, and the one of pawl
End is acted on by tension spring, is rotated around its shaft, is pushed to axis direction, and embedded ratchet forms braking.
However, existing elevator governor has the following problems：1. the long-term oil starvation of the rotatable parts of elevator governor, causes to hinder
Power increases and the reasons such as centrifugal hammer return spring overtension, can all cause centrifugal hammer action dumb, when moving for limiter of speed
Reach the 115% of rated speed of lift as speed, centrifugal hammer fails to reach normal operation position, to push triggering completely
Lock tongue causes triggering lock tongue to fail to discharge pawl in time；2. pawl tension spring fails, because tension spring is chronically at the work shape of stretching
State, after fatigue failure, its restoring force is insufficient, causes pawl that cannot completely be embedded in ratchet.
Invention content
The purpose of the present invention is exactly to solve the above-mentioned problems, to provide a kind of elevator governor auxiliary device.
The present invention can be achieved through the following technical solutions：A kind of elevator governor auxiliary device, including central rotating shaft, center
Rope sheave and ratchet are installed in shaft, centrifugal hammer, triggering lock tongue and pawl are installed on rope sheave, it is characterised in that：The triggering
Lock tongue is equipped with first nose bar parallel with central rotating shaft, and the pawl is equipped with second nose bar parallel with central rotating shaft, also
Including with rope sheave fixed plate disposed in parallel, fixed plate is equipped with rotatable first bent plate and the second bent plate, and described first is bent
Plate, the second bent plate and central rotating shaft are total to axial line, and first bent plate is between the first nose bar and the second nose bar, the first bent plate
It can be abutted with the first nose bar when rotation, second bent plate is between the second nose bar and central rotating shaft, when the second bent plate rotates
It can be abutted with the second nose bar, one end of first bent plate and one end of the second bent plate are hinged by an electromagnetism push rod, and electromagnetism pushes away
Bar is electrically connected with the device for monitoring speed of elevator, and the fixed plate is equipped with the guide groove for the electromagnetism pushrod movement, electromagnetism
When pushrod movement, drives the first bent plate to rotate and abut the first nose bar to make triggering lock tongue discharge pawl, while driving the second song
Plate rotates and abuts the second nose bar to make pawl be embedded in ratchet.
Preferably, the middle part of first bent plate is hinged on by first rotating shaft in fixed plate, in second bent plate
Portion is hinged on by the second shaft in fixed plate.
Preferably, one end of first bent plate is hinged by one end of third shaft and electromagnetism push rod, and described second is bent
One end of plate is hinged by the other end of the 4th shaft and electromagnetism push rod.
Preferably, further include the control device being made of microcontroller, control device respectively with the device for monitoring speed of elevator
It is electrically connected with electromagnetism push rod, when control device receives the elevator overspeed signal that device for monitoring speed is sent out, controls electromagnetism push rod
Movement.
Preferably, the fixed plate is equipped with the laser range sensor of the change in location for monitoring centrifugal hammer, laser
Distance measuring sensor is electrically connected with the control device, for being turned on and off electromagnetism push rod.
Preferably, the laser range sensor is fixed in fixed plate, and laser range sensor injection is sharp
Light is perpendicular to the end face of centrifugal hammer.
Compared with prior art, the present invention has following advantageous effect：
The present invention is equipped with and center by being equipped with the first nose bar parallel with central rotating shaft on triggering lock tongue on pawl
The second parallel nose bar of shaft further includes being equipped with rotatable first bent plate with rope sheave fixed plate disposed in parallel, fixed plate
With the second bent plate, the first bent plate can abut when rotating with the first nose bar, and the second bent plate can abut when rotating with the second nose bar, and first
One end of bent plate and one end of the second bent plate are hinged by an electromagnetism push rod, and the device for monitoring speed of electromagnetism push rod and elevator is electrically connected
Connect, when electromagnetism pushrod movement, drive the first bent plate rotate and abut the first nose bar to make triggering lock tongue release pawl, avoid from
Heart hammer fails to reach normal operation position, to push triggering lock tongue that triggering lock tongue is caused to fail to discharge pawl in time completely
The case where, while driving the second bent plate to rotate and abutting the second nose bar to make pawl be embedded in ratchet, in turn avoid pawl tension spring mistake
The case where effect, pawl caused by restoring force deficiency cannot be completely embedded into ratchet.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the right view of the present invention；
Fig. 3 is the structural schematic diagram of the first bent plate and the second bent plate in the present invention；
Fig. 4 is the structural schematic diagram of laser range sensor in the present invention；
Fig. 5 is the structural schematic diagram of fixed plate in the present invention；
Fig. 6 is the structural schematic diagram that lock tongue is triggered in the present invention；
Fig. 7 is the structural schematic diagram of pawl in the present invention.
Specific implementation mode
The embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
In the present embodiment, the orientation or position of the instructions such as term "upper" "lower" " left side " " right side " " preceding " " rear " " upper end " " lower end "
It is to be based on the orientation or positional relationship shown in the drawings to set relationship, is merely for convenience of describing, not indicate or imply the indicated
Device or element must have a particular orientation, with specific azimuth configuration or operation, therefore should not be understood as to the present invention's
Limitation.
Referring to Fig. 1-Fig. 7, a kind of embodiment of elevator governor auxiliary device, including central rotating shaft 1, on central rotating shaft 1
Rope sheave 2 and ratchet 3 are installed, centrifugal hammer 4, triggering lock tongue 5 and pawl 6 are installed on rope sheave 2, triggering lock tongue 5 is equipped with in
The first parallel nose bar 501 of heart shaft 1, pawl 6 are equipped with second nose bar 601 parallel with central rotating shaft 1, further include and rope sheave
2 fixed plates 7 disposed in parallel, fixed plate 7 are equipped with 8 and second bent plate 9 of rotatable first bent plate, and the first bent plate 8, second is bent
Plate 9 and central rotating shaft 1 are total to axial line, and the first bent plate 8 is between the first nose bar 501 and the second nose bar 601, the first 8 turns of bent plate
It can be abutted with the first nose bar 501 when dynamic, the second bent plate 9 is between the second nose bar 601 and central rotating shaft 1, the rotation of the second bent plate 9
The second nose bars of Shi Keyu 601 abut, and one end of one end of the first bent plate 8 and the second bent plate 9 is hinged by an electromagnetism push rod 10, electricity
Magnetic push rod 10 is electrically connected with the device for monitoring speed of elevator, and fixed plate 7 is equipped with the guide groove 701 moved for electromagnetism push rod 10,
When electromagnetism push rod 10 moves, drives the first bent plate 8 to rotate and abut the first nose bar 501 to make triggering lock tongue 5 discharge pawl 6, together
When drive the second bent plate 9 rotate and abut the second nose bar 601 come make pawl 6 be embedded in ratchet 3.
Preferably, the middle part of the first bent plate 8 is hinged on by first rotating shaft 11 in fixed plate 7, and the middle part of the second bent plate 9 is logical
The second shaft 12 is crossed to be hinged in fixed plate 7.
Preferably, one end of the first bent plate 8 is hinged by one end of third shaft 13 and electromagnetism push rod 10, the second bent plate 9
One end it is hinged by the 4th shaft 14 and the other end of electromagnetism push rod 10.
Preferably, further include the control device being made of microcontroller, control device respectively with the device for monitoring speed of elevator
It is electrically connected with electromagnetism push rod 10, when control device receives the elevator overspeed signal that device for monitoring speed is sent out, control electromagnetism pushes away
Bar 10 moves.
Preferably, fixed plate 7 is equipped with the laser range sensor 15 of the change in location for monitoring centrifugal hammer 4, laser
Distance measuring sensor 15 is electrically connected with control device, for being turned on and off electromagnetism push rod 10.
Preferably, laser range sensor 15 is fixed in fixed plate 7, and the injection of laser range sensor 15 is sharp
Light 1501 is perpendicular to the end face of centrifugal hammer 4.
The specific implementation process of control device is as follows in the present invention：When elevator normal operation, i.e., centrifugal hammer 4 is not got rid of
Going out, laser range sensor 15 monitors the distance change of 4 end face of centrifugal hammer into periodic formation, when centrifugal hammer 4 is thrown out of, the period
The amplitude of linearity curve can gradually change, and until no longer changing, and start with new curve to be in mechanical periodicity, this situation shows
Centrifugal hammer 4 is thrown to its extreme position, takes the amplitude of 4 extreme position of centrifugal hammer as the threshold value in single-chip microcomputer control program
One, it is threshold value two to take the half of threshold value one, i.e. centrifugal hammer 4 has thrown away 50% distance；
One, microcontroller detects that the location variation of centrifugal hammer 4 reaches threshold value one, and microcontroller receives the speed prison of elevator
It surveys the speed amount that device is sent and has reached the 115% of rated speed of lift, this situation illustrates the torsional spring or pawl 6 that trigger lock tongue 5
Tension spring failure, the electromagnetism push rod of microcontroller control at this time 10 moves；Two, microcontroller detects that the location variation of centrifugal hammer 4 reaches
To threshold value two, the speed amount that microcontroller receives the device for monitoring speed transmission of elevator has reached rated speed of lift
115%, this situation illustrates the reasons such as 4 return spring overtension of centrifugal hammer, causes centrifugal hammer 4 to act dumb, causes to fail,
Microcontroller control electromagnetism push rod 10 responds at this time；Three, the device for monitoring speed failure of elevator, microcontroller fail to receive elevator
The signal that device for monitoring speed is sent illustrates to fail to make if microcontroller detects that the change in location of centrifugal hammer 4 is in cyclically-varying
Dynamic, microcontroller control electromagnetism push rod 10 moves at this time, if microcontroller detects that the change in location of centrifugal hammer 4 is not in periodically to become
Change, illustrates to have braked.
It should be noted that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, this field it is general
Lead to it will be appreciated by the skilled person that can be modified or replaced equivalently to technical scheme of the present invention, without departing from the present invention
The objective and range of technical solution, are intended to be within the scope of the claims of the invention.
Claims (6)
1. a kind of elevator governor auxiliary device, including central rotating shaft, rope sheave and ratchet are installed on central rotating shaft, pacified on rope sheave
Equipped with centrifugal hammer, triggering lock tongue and pawl, it is characterised in that：It is convex that the triggering lock tongue is equipped with first parallel with central rotating shaft
Bar, the pawl are equipped with second nose bar parallel with central rotating shaft, further include and rope sheave fixed plate disposed in parallel, fixed plate
It is equipped with rotatable first bent plate and the second bent plate, first bent plate, the second bent plate and central rotating shaft are total to axial line, described
Between the first nose bar and the second nose bar, the first bent plate can abut first bent plate when rotating with the first nose bar, and described second is bent
Between the second nose bar and central rotating shaft, the second bent plate can abut plate when rotating with the second nose bar, and the one of first bent plate
End and one end of the second bent plate are hinged by an electromagnetism push rod, and electromagnetism push rod is electrically connected with the device for monitoring speed of elevator, described
Fixed plate is equipped with the guide groove for the electromagnetism pushrod movement, when electromagnetism pushrod movement, the first bent plate is driven to rotate and abut
First nose bar come make triggering lock tongue discharge pawl, while drive the second bent plate rotate and abut the second nose bar come make pawl insertion spine
Wheel.
2. elevator governor auxiliary device according to claim 1, it is characterised in that：Pass through in the middle part of first bent plate
First rotating shaft is hinged in fixed plate, and the middle part of second bent plate is hinged on by the second shaft in fixed plate.
3. elevator governor auxiliary device according to claim 1, it is characterised in that：One end of first bent plate passes through
One end of third shaft and electromagnetism push rod is hinged, the other end that one end of second bent plate passes through the 4th shaft and electromagnetism push rod
It is hinged.
4. elevator governor auxiliary device according to claim 1, it is characterised in that：It further include the control being made of microcontroller
Device processed, control device are electrically connected with the device for monitoring speed of elevator and electromagnetism push rod respectively, and control device receives speed prison
When surveying the elevator overspeed signal that device is sent out, electromagnetism pushrod movement is controlled.
5. elevator governor auxiliary device according to claim 4, it is characterised in that：The fixed plate is equipped with for supervising
The laser range sensor of the change in location of centrifugal hammer is surveyed, laser range sensor is electrically connected with the control device, for opening
Open or close electromagnetism push rod.
6. elevator governor auxiliary device according to claim 5, it is characterised in that：The laser range sensor is fixed
It is arranged in fixed plate, and the laser that laser range sensor projects is perpendicular to the end face of centrifugal hammer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810888450.7A CN108675079B (en) | 2018-08-07 | 2018-08-07 | Elevator overspeed governor auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810888450.7A CN108675079B (en) | 2018-08-07 | 2018-08-07 | Elevator overspeed governor auxiliary device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108675079A true CN108675079A (en) | 2018-10-19 |
| CN108675079B CN108675079B (en) | 2023-04-07 |
Family
ID=63816154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810888450.7A Active CN108675079B (en) | 2018-08-07 | 2018-08-07 | Elevator overspeed governor auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108675079B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020085558A (en) * | 2001-05-09 | 2002-11-16 | 현대엘리베이터주식회사 | Governor of elevator |
| CN2680636Y (en) * | 2004-03-04 | 2005-02-23 | 河北东方机械厂 | Bidirectional elevator overspeed governor |
| CN1894152A (en) * | 2004-07-22 | 2007-01-10 | 三菱电机株式会社 | Elevator speed limiter |
| CN103010890A (en) * | 2012-12-18 | 2013-04-03 | 上海吉亿电机有限公司 | Speed limiter of elevator |
| EP2771267A1 (en) * | 2011-10-27 | 2014-09-03 | Inventio AG | Speed-limiting means for a lift |
| CN104773628A (en) * | 2015-03-31 | 2015-07-15 | 西继迅达（许昌）电梯有限公司 | Bidirectional speed governor with single brake pressing plate with pawl automatic restoring function |
| US20170190545A1 (en) * | 2016-01-04 | 2017-07-06 | Otis Elevator Company | Elevator overspeed governor with automatic reset |
| CN107473045A (en) * | 2017-08-04 | 2017-12-15 | 佛山市欧汇电梯配件有限公司 | Novel inorganic room bidirectional speed limiter |
| CN207090711U (en) * | 2017-06-29 | 2018-03-13 | 溧阳市飞跃机电有限公司 | A kind of telescopic toeguard |
-
2018
- 2018-08-07 CN CN201810888450.7A patent/CN108675079B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020085558A (en) * | 2001-05-09 | 2002-11-16 | 현대엘리베이터주식회사 | Governor of elevator |
| CN2680636Y (en) * | 2004-03-04 | 2005-02-23 | 河北东方机械厂 | Bidirectional elevator overspeed governor |
| CN1894152A (en) * | 2004-07-22 | 2007-01-10 | 三菱电机株式会社 | Elevator speed limiter |
| EP2771267A1 (en) * | 2011-10-27 | 2014-09-03 | Inventio AG | Speed-limiting means for a lift |
| CN103010890A (en) * | 2012-12-18 | 2013-04-03 | 上海吉亿电机有限公司 | Speed limiter of elevator |
| CN104773628A (en) * | 2015-03-31 | 2015-07-15 | 西继迅达（许昌）电梯有限公司 | Bidirectional speed governor with single brake pressing plate with pawl automatic restoring function |
| US20170190545A1 (en) * | 2016-01-04 | 2017-07-06 | Otis Elevator Company | Elevator overspeed governor with automatic reset |
| CN207090711U (en) * | 2017-06-29 | 2018-03-13 | 溧阳市飞跃机电有限公司 | A kind of telescopic toeguard |
| CN107473045A (en) * | 2017-08-04 | 2017-12-15 | 佛山市欧汇电梯配件有限公司 | Novel inorganic room bidirectional speed limiter |
Non-Patent Citations (1)
| Title |
|---|
| 马俊文;强劲;李智;金左雨;王玉琳;: "基于AT89S52单片机的新型电梯限速器" * |
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| Publication number | Publication date |
|---|---|
| CN108675079B (en) | 2023-04-07 |
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