CN111874773A - Remote reset type elevator speed limiter - Google Patents
Remote reset type elevator speed limiter Download PDFInfo
- Publication number
- CN111874773A CN111874773A CN202010897125.4A CN202010897125A CN111874773A CN 111874773 A CN111874773 A CN 111874773A CN 202010897125 A CN202010897125 A CN 202010897125A CN 111874773 A CN111874773 A CN 111874773A
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- Prior art keywords
- reset
- switch
- plate
- speed limiter
- elevator
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention relates to a remote reset type elevator speed limiter which comprises a speed limiter support plate, a rope pulley, a centrifugal mechanism, a switch beating plate and a switch mechanism, wherein the rope pulley is fixed on the speed limiter support plate through a main shaft, the centrifugal mechanism is arranged on the rope pulley and moves along with the rope pulley, the switch beating plate is rotatably arranged at the position of the speed limiter support plate, the switch mechanism is in linkage with the switch beating plate, the switch beating plate is fixedly connected with a reset rod, a limiting plate is fixed on the speed limiter support plate, a limiting hole is formed in the limiting plate, the reset rod penetrates through the limiting hole and can rotate around the limiting hole, a strip-shaped through groove is formed in the reset rod along the length of the lower portion of the reset rod, a steel wire rope vertically penetrates through the through groove, and the steel wire rope drives the switch beating plate to rotate and reset under the driving of. The reset mechanism has the advantages of simple integral structure, accurate reset and accurate reset of the switch striking plate, and can ensure reliable reset of the elevator speed limiter when the elevator speed limiter needs to reset the electric switch.
Description
Technical Field
The invention relates to an elevator safety component, in particular to the field of elevator speed limiters, and particularly relates to a remote reset type elevator speed limiter.
Background
The elevator is widely applied to daily life of people, and in order to guarantee the safety of people and prevent the elevator from exceeding the speed limit to bring harm to people, the elevator adopts the elevator overspeed governor as a safety part for monitoring the elevator overspeed. When the elevator has an overspeed operation fault or the elevator linkage function is tested, the speed limiter finishes the triggering action. When the overspeed governor resets when needs carry out the overspeed governor, to no computer lab overspeed governor, maintenance personal need remote operation to reset the operation to the overspeed governor, except that need reset the mechanical part of overspeed governor, still need reset the electrical switch of overspeed governor long-rangely, current mechanism of resetting the electrical switch mostly drives the connecting rod through the motor and rotates, and then drives the switch that links to each other with the connecting rod and breaks the board and playback, the structure that the connecting rod resets can lead to the volume of elevator overspeed governor great, and the connecting rod produces card and other troubles easily moreover.
Disclosure of Invention
The invention aims to provide a remote reset type elevator speed limiter which is simple in overall structure, accurate in reset and accurate in switch striking plate homing and can ensure that the elevator speed limiter runs safely and stably.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention provides a remote reset type elevator speed limiter which comprises a speed limiter support plate, a rope pulley, a centrifugal mechanism, a switch beating plate and a switch mechanism, wherein the rope pulley is fixed on the speed limiter support plate through a main shaft, the centrifugal mechanism is arranged on the rope pulley and moves along with the rope pulley, the switch beating plate is rotatably arranged at the position of the speed limiter support plate, the switch mechanism is in linkage with the switch beating plate, the switch beating plate is fixedly connected with a reset rod, a limit plate is fixed in the elevator speed limiter, a limit hole is formed in the limit plate, the reset rod penetrates through the limit hole and can rotate around the limit hole, a strip-shaped through groove is formed in the reset rod along the length of the lower portion of the reset rod, a steel wire rope vertically penetrates through the through groove, and the steel wire rope drives the switch beating plate to rotate and reset under the driving of a rotating.
For the technical scheme, the applicant also has further optimized implementation measures.
Optionally, one end of the steel wire rope is fixedly connected with the limiting plate or the speed limiter support plate, the other end of the steel wire rope is connected with a power output end of a rotating motor, the switch striking plate has two working states, namely a trigger state and a standby state, and the rotating motor is used for driving the steel wire rope to be tightened to realize switching of the working states of the switch striking plate.
Optionally, the elevator governor further comprises a motor mount through which the rotating electrical machine is fixed on the governor mounting plate.
Further, a rotating base is rotatably arranged in the motor base, the power output end of the rotating motor is connected with the rotating base, and the other end of the steel wire rope is fixedly connected with the rotating base.
Furthermore, a torsion spring for providing radial torsion is arranged at the rotating seat.
Optionally, the lower part cover of release link is established in a sleeve, release link and sleeve pass through bolt locking and fixing, rectangular shape lead to the groove and set up in telescopic side, lead to the groove edge telescopic axis direction sets up.
Optionally, the limiting plate is fixedly connected to the speed governor mounting plate or the fixing plate of the switching mechanism.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
according to the elevator speed limiter, the rotating motor drives the steel wire rope to drive the switch beating plate to reset, the reset rod can be accurately corrected, the reset rod can be quickly and accurately reset to the original position, the elevator speed limiter is simple in structure, high in effectiveness and accuracy and capable of effectively guaranteeing accurate action of the elevator speed limiter and improving the working safety and stability of the elevator speed limiter.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic diagram of the overall structure of a remote reset elevator governor according to one embodiment of the present invention;
fig. 2 is a schematic diagram of a remote reset elevator governor in a state where a side plate of a governor mounting plate is removed from the governor in accordance with an embodiment of the present invention;
fig. 3 is an enlarged view of a portion of the remote reset elevator governor of fig. 2.
Wherein the reference numerals are as follows:
1. a speed limiter support plate 2, a main shaft 3, a rope wheel 4 and a centrifugal mechanism,
5. a switch beating plate 51, a tip 52 and a contact hiding pit,
6. the switching mechanism, 61, the contacts,
7. reset rod 71, through groove 72, sleeve 73 and bolt
8. A limit plate 81 and a limit hole,
9. a steel wire rope,
10. rotating electrical machines, 11, motor cabinet, 12, roating seat. .
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The embodiment provides a remote reset type elevator speed limiter, as shown in fig. 1 to 3, the elevator speed limiter comprises a speed limiter support plate 1, a rope pulley 3 fixed on the speed limiter support plate 1 through a main shaft 2, a centrifugal mechanism 4 arranged on the rope pulley 3 and moving along with the rope pulley 3, a switch beating plate 5 rotatably arranged at the speed limiter support plate 1, a switch mechanism 6 linked with the switch beating plate 5, the switch beating plate 5 is fixedly connected with a reset rod 7, a limiting plate 8 is fixed in the elevator speed limiter, the limiting plate 8 can be directly and fixedly connected with the speed limiter support plate 1, or can be firstly and fixedly connected with a shell (fixed plate) of a switching mechanism and then fixed with the speed limiter support plate 1, effective fixation of the limiting plate 8 can be realized, and the reset rod 7 can rotate around the limiting hole 81 on the limiting plate 8. Be provided with spacing hole 81 on the limiting plate 8, release link 7 passes spacing hole 81 and can wind spacing hole 81 rotates, release link 7 lower part is seted up rectangular shape along its length on release link 7 and is led to groove 71 lead to the perpendicular wearing in groove 71 and be equipped with wire rope 9, wire rope 9's diameter slightly is less than lead to the width of groove 71, wire rope 9 drives under rotating electrical machines 10 the drive switch board 5 rotates and resets.
The switch striking plate 5 is arranged at the top end of the speed limiter support plate 1, one end facing the rope pulley 3 is a tip 51, the other end is contacted with a switch contact 61 of the switch mechanism 6, a contact hiding socket 52 is arranged at the position where the other end of the switch striking plate 5 is contacted with the switch contact 61, the contact hiding socket 52 is integrally in a tapered groove shape, the switch contact 61 is in a popup state in the initial state of the elevator speed limiter, the switch contact 61 is arranged in the contact hiding socket 52, when the elevator stalls, the rope pulley 3 rotates in an overspeed manner, the centrifugal mechanism 4 is thrown out, at the moment, the centrifugal mechanism 4 in the rotating state is bound to touch the switch striking plate 5, so that the switch striking plate 5 rotates, and it can be understood that no matter whether the switch striking plate 5 rotates clockwise or anticlockwise, as long as the contact hiding socket 52 slides out of the position of the switch contact 61, the switch contact 61 is pressed down, the switch in the switching mechanism 6 is then opened, and the electrical circuit of the elevator governor is opened.
It can be understood that the switch board 5 is triggered to rotate to drive the reset rod 7 to rotate together, and the wire rope 9 is clamped in the through groove 71 at the lower part of the reset rod 7, and the wire rope 9 is also driven to rotate together. After the elevator returns normally, just need to reset switch board 5, only need start rotating electrical machines 10 this moment, rotating electrical machines 10 twist reverse direction production antiport before for wire rope 9, drive wire rope 9 and resume the state of tightening once more, must can drive release link 7 and take place to rotate, until resuming original position, just also can make and release link 7 fixed connection's switch board 5 resume original position.
The elevator overspeed governor of this embodiment drives wire rope 9 through rotating electrical machines 10 and drives switch breaker plate 5 and reset, can accurately return release link 7 for release link 7 can reply the normal position rapidly and accurately, and simple structure is nevertheless validity, accuracy height, effectively guarantees the accurate action of elevator overspeed governor, can improve the work safety and the stability of elevator overspeed governor.
As for the specific arrangement of the steel wire rope 9, one end of the steel wire rope 9 is fixedly connected with the limiting plate 8 or the speed limiter support plate 1, and the other end of the steel wire rope is connected with the power output end of a rotating motor 10, the switch striking plate 5 has two working states of a triggering state and a standby state, the switch striking plate 5 deviates from an original position in the triggering state, the steel wire rope 9 is in a twisting state, and the standby state is a state when the switch striking plate 5 is in the original position, and the steel wire rope 9 is in a tightening state. The rotating motor 10 is used for driving the steel wire rope 9 to be tightened or not so as to realize switching reset of the switch beating plate 5 between two working states.
In a further embodiment, the elevator governor also comprises a motor block 11, by means of which motor block 11 the rotating electric machine 10 is fixed to the governor mounting plate 1. The motor base 11 is internally rotatably provided with a rotating base 12, the power output end of the rotating motor 10 is connected with the rotating base 12, the other end of the steel wire rope 9 is fixedly connected with the rotating base 12, a torsion spring for providing radial torsion is arranged at the position of the rotating base 12, and the torsion spring enables the steel wire rope 9 to be in a tightening state in a standby state.
In another embodiment, the lower portion of the reset rod 7 is sleeved in a sleeve 72, the reset rod 7 and the sleeve 72 are locked and fixed by a bolt 73, the elongated through groove 71 is opened on the side surface of the sleeve 72, and the through groove 71 is arranged along the axial direction of the sleeve 72. The design between the reset rod 7 and the sleeve 72 can adjust the upper and lower positions of the sleeve 72 and the reset rod 7 (the switch beating plate 5), when the position of the centrifugal mechanism 4 is adjusted, the position of the switch beating plate 5 can be adaptively adjusted, and similarly, the position of the through groove 71 in the vertical direction can be adjusted, so that the position of the through groove is adapted to the position of the steel wire rope 9.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides a long-range formula elevator overspeed governor that resets, elevator overspeed governor include the overspeed governor mounting panel, fix through the main shaft rope sheave on the overspeed governor mounting panel, set up on the rope sheave and along with the centrifugal mechanism of rope sheave concerted movement, rotatable setting is in the switch beater of overspeed governor mounting panel department, with the switching mechanism of switch beater linkage, its characterized in that, switch beater and a release link fixed connection are fixed with a spacing board in elevator overspeed governor, be provided with spacing hole on the limiting board, the release link passes spacing hole and can wind spacing hole rotates, the release link lower part is seted up the logical groove of rectangular shape along its length on the release link, the perpendicular wire rope that is equipped with that passes in leading to the groove, wire rope drives under the rotating electrical machines drive the switch beater rotates and resets.
2. The remote reset type elevator speed limiter according to claim 1, wherein one end of the steel wire rope is fixedly connected with the limiting plate or the speed limiter support plate, the other end of the steel wire rope is connected with a power output end of a rotating motor, the switch striking plate has two working states of a triggering state and a standby state, and the rotating motor is used for driving the steel wire rope to be tightened so as to realize switching of the working states of the switch striking plate.
3. The remote-reset elevator governor of claim 2 further comprising a motor mount through which the rotating machine is secured to the governor mounting plate.
4. The remote-reset elevator speed limiter according to claim 2 or 3, wherein a rotating seat is rotatably arranged in the motor seat, a power output end of the rotating motor is connected with the rotating seat, and the other end of the steel wire rope is fixedly connected with the rotating seat.
5. The remote-reset elevator governor of claim 4, wherein a torsion spring providing a radial torsion force is disposed at the rotating seat.
6. The remote-reset type elevator speed limiter according to claim 1, wherein the lower portion of the reset rod is sleeved in a sleeve, the reset rod and the sleeve are locked and fixed through a bolt, the elongated through groove is formed in the side surface of the sleeve, and the through groove is formed in the axial direction of the sleeve.
7. The remote-reset elevator governor of claim 1, wherein the limit plate is fixedly connected to the governor tripping plate or to a fixed plate of the switching mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010897125.4A CN111874773A (en) | 2020-08-31 | 2020-08-31 | Remote reset type elevator speed limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010897125.4A CN111874773A (en) | 2020-08-31 | 2020-08-31 | Remote reset type elevator speed limiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111874773A true CN111874773A (en) | 2020-11-03 |
Family
ID=73198894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010897125.4A Pending CN111874773A (en) | 2020-08-31 | 2020-08-31 | Remote reset type elevator speed limiter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111874773A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113291948A (en) * | 2021-04-16 | 2021-08-24 | 苏州尼隆电梯部件有限公司 | Stable remote reset type elevator speed limiter |
| US11365091B2 (en) * | 2018-12-04 | 2022-06-21 | Otis Elevator Company | Overspeed protection switch, overspeed governor assembly and elevator system |
| US11465882B2 (en) * | 2018-09-29 | 2022-10-11 | Otis Elevator Company | Overspeed protection switch, overspeed governor assembly and elevator system |
-
2020
- 2020-08-31 CN CN202010897125.4A patent/CN111874773A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11465882B2 (en) * | 2018-09-29 | 2022-10-11 | Otis Elevator Company | Overspeed protection switch, overspeed governor assembly and elevator system |
| US11365091B2 (en) * | 2018-12-04 | 2022-06-21 | Otis Elevator Company | Overspeed protection switch, overspeed governor assembly and elevator system |
| CN113291948A (en) * | 2021-04-16 | 2021-08-24 | 苏州尼隆电梯部件有限公司 | Stable remote reset type elevator speed limiter |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: No. 8, Zhonggang Road, Xinzhuang Industrial Park, Changshu City, Suzhou City, Jiangsu Province, 215000 Applicant after: Suzhou Nilong Elevator Parts Co.,Ltd. Address before: 215500 No.8 Zhonggang Road, Xinzhuang Industrial Park, Changshu City, Suzhou City, Jiangsu Province Applicant before: SUZHOU NICELONG LIFT ACCESSORIES Co.,Ltd. |
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| CB02 | Change of applicant information |