CN115744534A - Elevator overspeed governor safety tongs link gear - Google Patents
Elevator overspeed governor safety tongs link gear Download PDFInfo
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- CN115744534A CN115744534A CN202211728216.0A CN202211728216A CN115744534A CN 115744534 A CN115744534 A CN 115744534A CN 202211728216 A CN202211728216 A CN 202211728216A CN 115744534 A CN115744534 A CN 115744534A
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- linkage mechanism
- safety gear
- rotating shaft
- connecting rod
- lifting
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- 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
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Abstract
The invention discloses a safety gear linkage mechanism of an elevator speed limiter, wherein a first linkage mechanism and a second linkage mechanism are respectively arranged at two ends of a main beam, a first safety gear is arranged on the first linkage mechanism, and a second safety gear is arranged on the second linkage mechanism; the first linkage mechanism comprises a first lifting rod, a lifting plate, a second lifting rod, a mounting base and a first rotating shaft; the lifting plate is used for connecting a speed limiter steel wire rope; a second lifting rod is arranged on the first rotating shaft, and the end part of the second lifting rod is connected with a connecting rod assembly; the second linkage mechanism comprises a third lifting rod, a second rotating shaft and a fixed seat. According to the invention, the safety gear linkage mechanism is arranged at the main beam of the lift car, and the action force of the speed limiter is transmitted to the safety gear at the other side through the connecting rod assembly, so that the first safety gear and the second safety gear are linked, and further the safety gear is driven to rotate. The structure is ingenious, the manufacturing and processing cost is low, the installation is convenient, and the overhaul and the maintenance are convenient and safe.
Description
Technical Field
The invention belongs to the technical field of elevator devices, and particularly relates to a safety gear linkage mechanism of an elevator speed limiter.
Background
In recent years, with the acceleration of the urbanization process of China, high-rise buildings in cities are more and more, and elevators as people-carrying vertical transportation means in the high-rise buildings are more and more closely related to the life of people, so that the safety problem of elevator operation is also generally concerned by people. The elevator speed limiter safety tong linkage mechanism is one of important safety protection devices of an elevator, and has the functions of rapidly stopping an elevator car on a guide rail and keeping the elevator car in a static state when the elevator is overspeed, out of control of operation or a suspension device is broken, so that casualties and equipment damage accidents are avoided.
The existing safety gear linkage device is mostly of a car bottom (bracket) installation type, and the lifting force of the speed governor is transferred to the safety gear on the other side through a linkage shaft. Such a linkage device has the following problems: 1. due to the adoption of the structure, when the speed limiter acts, the situation that the safety gear on the non-speed limiter mounting side cannot be pulled in place due to the mounting and the like can occur, so that the safety gear cannot be completely clamped on the guide rail; 2. due to the installation form of the car bottom, when the linkage mechanism needs to be overhauled or a test has a problem, the elevator needs to be stopped to a pit, and an overhaul worker needs to enter the pit in advance to operate and maintain the elevator, and the operation and maintenance can be completed by more than two persons, so that the safety risk and the operation difficulty are increased for the overhaul worker; 3. the linkage mechanism is arranged at the bottom of the car, and when the diversion sheave is also arranged at the bottom of the car, because the car bottom is provided with too many parts (a safety gear, a linkage device, the diversion sheave at the bottom of the car and accessories thereof, a shock pad, a safety gear action electrical detection switch, a weighing device and the like), when the size of the car is small, the structural overall arrangement difficulty is undoubtedly increased by the too many parts. 4. The manufacturing and processing difficulty and the cost are higher.
For example, in the prior art, the technical solution "safety gear linkage" disclosed in the invention patent "an elevator safety gear linkage" with application number "202222081287.8" includes a linkage rod; the left side and the right side of the linkage rod are respectively provided with a safety gear linkage device bottom plate; one side of the safety gear linkage device is connected with the linkage rod, and the other side of the safety gear linkage device is fixedly connected with the elevator car frame; one side of the elevator car frame is fixedly connected with a safety gear; the safety tongs are provided with a groove for connecting the guide rail; lifting arms are arranged on two sides of the linkage rod; the lifting arm is fixedly connected with the lifting rod; the inner side position of the lifting rod is connected with the safety gear; one side of the linkage rod is connected with a speed limiter action lifting arm; the speed limiter action lifting arm is connected with the speed limiter through a steel wire rope and a steel wire rope connecting piece. The problem that the safety gear cannot be completely clamped on the guide rail due to the fact that the safety gear linkage device cannot be lifted and pulled in place exists in the safety gear linkage device.
Disclosure of Invention
The invention aims to provide a safety gear linkage mechanism of an elevator speed limiter, which aims to solve the problem that in the prior art, a safety gear linkage device cannot be pulled in place, so that the safety gear cannot be completely clamped on a guide rail.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a safety gear linkage mechanism of an elevator speed limiter comprises an elevator car, wherein a main beam is arranged above the elevator car, a safety gear linkage mechanism is arranged on the main beam, and the safety gear linkage mechanism comprises a first linkage mechanism and a second linkage mechanism; the first linkage mechanism and the second linkage mechanism are respectively arranged at two ends of the main beam, a first safety gear is arranged on the first linkage mechanism, and a second safety gear is arranged on the second linkage mechanism;
the first linkage mechanism comprises a first lifting rod, a lifting plate, a second lifting rod, a mounting base and a first rotating shaft; the mounting base is fixedly arranged on the main beam, the first rotating shaft is rotatably arranged on the mounting base, a first lifting rod is connected to the end of the first rotating shaft, a lifting plate is connected to the end of the first lifting rod, and the lifting plate is used for being connected with a speed limiter steel wire rope; a second lifting rod is arranged on the first rotating shaft, and the end part of the second lifting rod is connected with a connecting rod assembly;
the second linkage mechanism comprises a third lifting rod, a second rotating shaft and a fixed seat; the fixing seat is arranged on the main beam, the second rotating shaft is rotatably arranged on the fixing seat, the third lifting rod is arranged at the end part of the second rotating shaft, and the end part of the third lifting rod is also connected with the connecting rod assembly.
According to the technical scheme, the first linkage mechanism further comprises a first connecting plate and a first connecting rod, the first connecting plate is arranged on the first rotating shaft, the first connecting rod is arranged at the end of the first connecting plate, and first safety tongs are connected below the first connecting rod.
According to the technical scheme, the second linkage mechanism further comprises a second connecting plate and a second connecting rod, the second connecting plate is arranged on the second rotating shaft, the second connecting rod is arranged at the end of the second connecting plate, and a second safety gear is connected below the second connecting rod.
According to the technical scheme, the connecting rod assembly comprises a connecting rod body and a resetting assembly, and the resetting assembly is used for resetting the first linkage mechanism and the second linkage mechanism.
According to the technical scheme, the reset assembly comprises a baffle plate, a reset spring and a retainer ring; the connecting rod body penetrates through the baffle, the return spring and the check ring; moreover, the baffle is fixedly arranged on the elevator car or the wall; the two ends of the reset spring are respectively connected with the baffle plate and the check ring, and the check ring and the reset spring are arranged on the connecting rod body in a sliding mode.
According to the technical scheme, the connecting rod body is provided with the threads, the threads are used for installing the nut, and the nut is abutted to the check ring.
According to the technical scheme, the first rotating shaft is fixedly connected with the first lifting rod, and the first lifting rod is fixedly connected with the lifting plate through the bolt.
According to the technical scheme, the third lifting rod is fixedly connected with the second rotating shaft.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the safety gear linkage mechanism is arranged at the main beam of the car cage, the lifting plate is connected with the speed limiter steel wire rope through the lifting plate, the lifting plate is driven to act through the speed limiter steel wire rope, the first linkage mechanism is driven to act through the lifting plate, the action force is transmitted to the second safety gear through the connecting rod assembly, the linkage of the first safety gear and the second safety gear is realized, and the first safety gear and the second safety gear are effectively braked. The invention has the characteristics of ingenious structure, low manufacturing and processing cost, convenient installation, convenient and safe overhaul and maintenance.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic structural diagram of a first linkage mechanism of the present invention;
FIG. 4 is a schematic view of a second linkage mechanism of the present invention;
fig. 5 is a schematic view of a second linkage mechanism according to the present invention.
The labels in the figure are: 100-main beam, 200-first safety gear, 300-second safety gear, 400-first lifting rod, 500-lifting plate, 600-second lifting rod, 700-mounting base, 800-first rotating shaft, 900-third lifting rod, 110-second rotating shaft, 111-fixing base, 112-first connecting plate, 113-first connecting rod, 114-second connecting plate, 115-second connecting rod, 116-connecting rod body, 117-baffle, 118-return spring and 119-retainer ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example one
As shown in fig. 1 to 5, an elevator speed limiter safety gear linkage mechanism comprises an elevator car, wherein a main beam 100 is arranged above the elevator car, a safety gear linkage mechanism is arranged on the main beam 100, and the safety gear linkage mechanism comprises a first linkage mechanism and a second linkage mechanism; wherein, the first linkage mechanism and the second linkage mechanism are respectively arranged at two ends of the main beam 100, and the first linkage mechanism is provided with a first safety gear 200, and the second linkage mechanism is provided with a second safety gear 300;
as shown in fig. 3, the first linkage mechanism includes a first lifting bar 400, a lifting plate 500, a second lifting bar 600, a mounting base 700, and a first rotating shaft 800; the mounting base 700 is fixedly arranged on the main beam 100, the first rotating shaft 800 is rotatably arranged on the mounting base 700, the end of the first rotating shaft 800 is connected with a first lifting rod 400, the end of the first lifting rod 400 is connected with a lifting plate 500, and the lifting plate 500 is used for connecting a speed limiter steel wire rope; a second lifting rod 600 is arranged on the first rotating shaft 800, and the end part of the second lifting rod 600 is connected with a connecting rod assembly;
as shown in fig. 4, the second linkage mechanism includes a third lifting rod 900, a second rotating shaft 110 and a fixing base 111; the fixing seat 111 is arranged on the main beam 100, the second rotating shaft 110 is rotatably arranged on the fixing seat 111, the third lifting rod 900 is arranged at the end part of the second rotating shaft 110, and the end part of the third lifting rod 900 is also connected with the connecting rod assembly.
In the invention, the safety gear linkage mechanism is arranged at the main beam of the car, the lifting plate 500 is connected with the speed limiter steel wire rope, the lifting plate 500 is driven to act by the speed limiter steel wire rope, the first linkage mechanism is driven to act by the lifting plate 500, the action force is transmitted to the second safety gear 300 by the connecting rod assembly, the linkage of the first safety gear 200 and the second safety gear 300 is realized, and the first safety gear 200 and the second safety gear 300 are effectively braked. The invention has the characteristics of ingenious structure, low manufacturing and processing cost, convenient installation, convenient and safe overhaul and maintenance.
Example two
This embodiment is a further refinement of the first embodiment. As shown in fig. 5, the first linkage mechanism further includes a first connection plate 112 and a first connection rod 113, the first connection plate 112 is disposed on the first rotation shaft 800, the first connection rod 113 is disposed at an end of the first connection plate 112, and the first safety gear 200 is connected below the first connection rod 113.
As shown in fig. 4, the second linkage mechanism further includes a second connecting plate 114 and a second connecting rod 115, the second connecting plate 114 is disposed on the second rotating shaft 110, the second connecting rod 115 is disposed at an end of the second connecting plate 114, and a second safety gear 300 is connected below the second connecting rod 115.
The connecting rod assembly comprises a connecting rod body 116 and a resetting assembly, wherein the resetting assembly is used for resetting the first linkage mechanism and the second linkage mechanism.
The reset assembly comprises a baffle plate 117, a reset spring 118 and a retainer ring 119; wherein, the connecting rod body 116 passes through the baffle plate 117, the return spring 118 and the retainer ring 119; the baffle 117 is fixedly arranged on the elevator car or the wall; two ends of the return spring 118 are respectively connected with the baffle plate 117 and the retainer ring 119, and the retainer ring 119 and the return spring 118 are arranged on the connecting rod body 116 in a sliding manner.
The connecting rod body 116 is provided with threads for mounting a nut that abuts against the retainer ring 119.
The first rotating shaft 800 is fixedly connected with the first lifting rod 400, and the first lifting rod 400 is fixedly connected with the lifting plate 500 through bolts.
The third lifting rod 900 is fixedly connected to the second rotating shaft 110.
The working principle of the invention is as follows: when the speed limiter acts due to the overspeed of the car, the speed limiter blocks the car to continue to move downwards, the lifting plate 500 is driven to rotate through the speed limiter steel wire rope, the first lifting rod 400 and the first rotating shaft 800 are driven to rotate clockwise, and the first connecting plate 112 and the first connecting rod 113 fixed at the end part of the first rotating shaft 800 also act together, so that the first safety gear 200 fixed on the first connecting plate 112 is lifted;
because the first rotating shaft 800 rotates clockwise, the connecting rod body 116 is pushed to move, and the connecting rod body 116 drives the second rotating shaft 110 to rotate counterclockwise, so as to lift the second safety gear 300 on the other side, and enable the second safety gear 300 to act, and the safety gears on the two sides act simultaneously to enable the car to be reliably stopped on the car guide rail.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an elevator overspeed governor safety tongs link gear, includes elevator car, is provided with girder (100) in elevator car's top, sets up safety tongs link gear on girder (100), its characterized in that: the safety gear linkage mechanism comprises a first linkage mechanism and a second linkage mechanism; the first linkage mechanism and the second linkage mechanism are respectively arranged at two ends of the main beam (100), the first linkage mechanism is provided with a first safety gear (200), and the second linkage mechanism is provided with a second safety gear (300);
the first linkage mechanism comprises a first lifting rod (400), a lifting plate (500), a second lifting rod (600), a mounting base (700) and a first rotating shaft (800); the mounting base (700) is fixedly arranged on the main beam (100), the first rotating shaft (800) is rotatably arranged on the mounting base (700), the end of the first rotating shaft (800) is connected with a first lifting rod (400), the end of the first lifting rod (400) is connected with a lifting plate (500), and the lifting plate (500) is used for connecting a speed limiter steel wire rope; a second lifting rod (600) is arranged on the first rotating shaft (800), and the end part of the second lifting rod (600) is connected with a connecting rod assembly;
the second linkage mechanism comprises a third lifting rod (900), a second rotating shaft (110) and a fixed seat (111); the fixing seat (111) is arranged on the main beam (100), the second rotating shaft (110) is rotatably arranged on the fixing seat (111), the third lifting rod (900) is arranged at the end part of the second rotating shaft (110), and the end part of the third lifting rod (900) is also connected with the connecting rod assembly.
2. The elevator governor safety gear linkage mechanism of claim 1, characterized in that: the first linkage mechanism further comprises a first connecting plate (112) and a first connecting rod (113), the first connecting plate (112) is arranged on the first rotating shaft (800), the first connecting rod (113) is arranged at the end portion of the first connecting plate (112), and a first safety gear (200) is connected below the first connecting rod (113).
3. The elevator governor safety gear linkage mechanism of claim 1, characterized in that: the second linkage mechanism further comprises a second connecting plate (114) and a second connecting rod (115), the second connecting plate (114) is arranged on the second rotating shaft (110), the second connecting rod (115) is arranged at the end portion of the second connecting plate (114), and a second safety gear (300) is connected below the second connecting rod (115).
4. The elevator governor safety gear linkage mechanism of claim 1, characterized in that: the connecting rod assembly comprises a connecting rod body (116) and a resetting assembly, wherein the resetting assembly is used for resetting the first linkage mechanism and the second linkage mechanism.
5. The elevator governor safety gear linkage mechanism of claim 4, characterized in that: the reset assembly comprises a baffle plate (117), a reset spring (118) and a retainer ring (119); wherein the connecting rod body (116) passes through the baffle plate (117), the return spring (118) and the retainer ring (119); the baffle (117) is fixedly arranged on the elevator car or the wall; two ends of the return spring (118) are respectively connected with the baffle (117) and the retainer ring (119), and the retainer ring (119) and the return spring (118) are arranged on the connecting rod body (116) in a sliding manner.
6. The elevator governor safety gear linkage mechanism of claim 5, characterized in that: the connecting rod body (116) is provided with threads, the threads are used for installing a nut, and the nut is abutted against the retainer ring (119).
7. The elevator governor safety gear linkage mechanism of claim 1, characterized in that: the first rotating shaft (800) is fixedly connected with the first lifting rod (400), and the first lifting rod (400) is fixedly connected with the lifting plate (500) through bolts.
8. The elevator governor safety gear linkage mechanism of claim 1, characterized in that: the third lifting rod (900) is fixedly connected with the second rotating shaft (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211728216.0A CN115744534A (en) | 2022-12-29 | 2022-12-29 | Elevator overspeed governor safety tongs link gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211728216.0A CN115744534A (en) | 2022-12-29 | 2022-12-29 | Elevator overspeed governor safety tongs link gear |
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| Publication Number | Publication Date |
|---|---|
| CN115744534A true CN115744534A (en) | 2023-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211728216.0A Pending CN115744534A (en) | 2022-12-29 | 2022-12-29 | Elevator overspeed governor safety tongs link gear |
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| CN (1) | CN115744534A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117550455A (en) * | 2023-11-03 | 2024-02-13 | 广东华辉电梯配件有限公司 | Double lifting device for elevator |
-
2022
- 2022-12-29 CN CN202211728216.0A patent/CN115744534A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117550455A (en) * | 2023-11-03 | 2024-02-13 | 广东华辉电梯配件有限公司 | Double lifting device for elevator |
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