CN211594675U - Elevator car braking device - Google Patents
Elevator car braking device Download PDFInfo
- Publication number
- CN211594675U CN211594675U CN201922443624.1U CN201922443624U CN211594675U CN 211594675 U CN211594675 U CN 211594675U CN 201922443624 U CN201922443624 U CN 201922443624U CN 211594675 U CN211594675 U CN 211594675U
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- rod
- frame
- elevator car
- safety tongs
- swing rod
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Abstract
The utility model provides an elevator car arresting gear, includes two safety tongs, the lifting mechanism that sets up respectively in the relative both sides of car frame, still including the gangbar that is the level setting, the gangbar only can connect with rotating on the car frame, lifting mechanism has the safety tongs of one set of control one side, including can slide from top to bottom set up in braking frame, a tip on the car frame are fixed pendulum rod on the gangbar tip, the other end of pendulum rod with corresponding safety tongs are connected, the braking frame is including the lifting rod, the lower tip of lifting rod with pendulum rod pivot connection, still including the driven pendulum rod of control opposite side safety tongs, a tip of driven pendulum rod with other end fixed connection of gangbar, another tip of driven pendulum rod is connected with corresponding safety tongs. Two safety tongs pass through the gangbar synchro control of level setting, simple structure, and the size is small and exquisite, is convenient for install the maintenance.
Description
Technical Field
The utility model relates to an elevator, especially elevator car arresting gear.
Background
The elevator is provided with a car braking device which is the most important protection device of the elevator and is called rope breaking protection and overspeed protection. Typically including a governor, a safety gear, a pulling mechanism connected between the governor and the safety gear, etc. A speed limiter rope of the speed limiter forms a closed loop around the rope pulley and a rope tensioning pulley in the pit, and the rope head part of the speed limiter is connected with the lifting mechanism. When the lift car descends in an overspeed manner, the speed limiter rope pulls the lifting mechanism to control the safety tongs to generate friction force on the guide rail, so that the lift car is quickly braked on the guide rail and stops moving.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide an elevator car arresting gear.
In order to solve the technical problem, the utility model discloses a technical scheme is: an elevator car braking device comprises two safety tongs arranged on two opposite sides of a car frame respectively, a lifting mechanism and a linkage rod horizontally arranged, wherein the linkage rod is only rotatably connected to the car frame, the lifting mechanism is provided with a set of safety tongs controlling one side, the lifting mechanism comprises a braking frame arranged on the car frame in a vertical sliding manner, and a swing rod with one end part fixed on one end part of the linkage rod, the other end of the swing rod is connected with the corresponding safety tongs, the braking frame comprises a lifting rod, the lower end part of the lifting rod is in pivot connection with the swing rod, the braking frame further comprises a pull locking part with an upper speed limiter connected with a rope, the lifting rod and the pull locking part are fixed into a whole, the elevator car braking device further comprises a driven swing rod controlling the safety tongs on the other side, one end part of the driven swing rod is fixedly connected with the other end part of the linkage rod, and the other end of the driven swing rod is connected with corresponding safety tongs.
In some embodiments, the pull mechanism further includes a return spring that causes the brake spider to have a downward sliding tendency.
In some embodiments, the return elastic element is a tension spring, the upper end of the return elastic element is connected with the brake frame, and the lower end of the return elastic element is connected with the linkage rod.
In some embodiments, the brake frame further includes a reset portion slidably disposed on the car frame in an up-down direction, the reset portion is integrally fixed to the zipper portion, and an upper end of the reset elastic member is connected to the reset portion.
In some embodiments, two of the safety gears are progressive safety gears symmetrically arranged on the car frame.
In some embodiments, a rotation axis between the lifting rod and the swing rod is parallel to a rotation axis of the linkage rod.
In some embodiments, the car frame includes an upper beam on which the elevator car braking device is disposed.
The scope of the present invention is not limited to the technical solutions formed by specific combinations of the above technical features, and other technical solutions formed by arbitrary combinations of the above technical features or equivalent features should be covered. For example, the above features and the technical features (but not limited to) having similar functions disclosed in the present application are mutually replaced to form the technical solution.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the utility model provides an elevator car arresting gear's a new scheme, two safety tongs pass through the gangbar synchro control that the level set up, simple structure, and the size is small and exquisite, the installation maintenance of being convenient for.
Drawings
Fig. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic structural view of a lifting mechanism;
wherein: 1. safety tongs; 2. a lifting mechanism; 21. a brake frame; 211. a pull lock portion; 212. lifting a pull rod; 213. a reset section; 22. a swing rod; 23. a restoring elastic member; 3. a linkage rod; 4. an upper beam; 5. a guide rail; 22' and a driven swing rod.
Detailed Description
The car frame typically comprises an upper beam 4, a lower beam, a vertical frame, etc., which is slidably disposed up and down between two opposite car guide rails within the hoistway.
As shown in the attached figure 1, the elevator car braking device is arranged on an upper beam 4, the depth of a pit can be reduced, the whole volume of a car is increased, in addition, the maintenance is convenient, and the use is safe. The method comprises the following steps:
the two safety tongs 1 are respectively arranged at two end parts of the upper beam 4, correspond to one set of lifting mechanism 2 of one safety tong 1 and correspond to the driven swing rod 22 'of the other safety tong 1, and the linkage rod 3 connected between the lifting mechanism 2 and the driven swing rod 22' is horizontally arranged. The linkage rod 3 is only rotatably connected to the upper beam 4. One end part of the driven swing rod 22 'is fixedly connected with the linkage rod 3, and the other end part of the driven swing rod 22' is connected with the corresponding safety gear 1.
As shown in fig. 2, the lifting mechanism 2 includes a brake frame 21 slidably disposed on the upper beam 4 in the up-down direction, and a swing link 22 having one end fixed to the interlinking rod 3. The other end of the swing rod 22 is connected with the corresponding safety gear 1.
The brake frame 21 includes a pull-lock portion 211, a lifting rod 212, and a reset portion 213, which are fixedly connected. The pulling lock part 211 is connected with two ends of the speed limiter rope, the lower end part of the lifting rod 212 is pivotally connected with the swing rod 22, the reset part 213 can be arranged on the upper beam 4 in a sliding manner along the vertical direction, the reset part 213 is connected with the linkage rod 3 through the reset elastic part 23, and the reset elastic part 23 is a tension spring. When the speed governor detects that the car descends in an overspeed manner, the speed governor rope pulls the locking part 211 upwards, so that the lifting rod 212 drives the swing rod 22 and the linkage rod 3 to rotate around the central line of the linkage rod 3, the linkage rod 3 drives the driven swing rod 22' to swing, and therefore the two safety tongs 1 are synchronously controlled to generate friction force on the corresponding guide rails, the car is rapidly braked on the two guide rails, and the car stops moving. The return spring 23 is such that it returns the brake carrier 21 so that the safety gear 1 releases the corresponding guide rail.
The rotating axis line between the lifting rod 212 and the swing rod 22 is parallel to the rotating axis line of the linkage rod 3.
The two safety gears 1 are symmetrically arranged on the upper beam 4, which is a progressive safety gear 1 in this embodiment, and the common technology is not described in detail. The swing rod 22 and the driven swing rod 22' only need to be connected with the corresponding safety gear 1 and can drag the safety gear to move.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (7)
1. An elevator car braking device comprises two safety tongs (1) and a lifting mechanism (2) which are respectively arranged on two opposite sides of a car frame, and is characterized by further comprising a linkage rod (3) which is horizontally arranged, wherein the linkage rod (3) is only rotatably connected to the car frame, the lifting mechanism (2) is provided with one set of safety tongs (1) for controlling one side, the safety tongs comprise a braking frame (21) which is arranged on the car frame in a vertical sliding manner, and a swing rod (22) of which one end is fixed on one end of the linkage rod (3), the other end of the swing rod (22) is connected with the corresponding safety tongs (1), the braking frame (21) comprises a lifting rod (212), the lower end of the lifting rod (212) is pivotally connected with the swing rod (22), the braking frame (21) further comprises a locking part (211) which is connected with a speed governor rope up and down, the elevator car braking device comprises a lifting rod (212), a locking part (211) and a driven swing rod (22 ') for controlling safety tongs (1) on the other side, wherein one end of the driven swing rod (22 ') is fixedly connected with the other end of the linkage rod (3), and the other end of the driven swing rod (22 ') is connected with the corresponding safety tongs (1).
2. The elevator car braking apparatus according to claim 1, wherein: the lifting mechanism (2) also comprises a return elastic piece (23) which enables the brake frame (21) to have a downward sliding trend.
3. The elevator car braking apparatus according to claim 2, wherein: the reset elastic piece (23) is a tension spring, the upper end part of the reset elastic piece is connected with the brake frame (21), and the lower end part of the reset elastic piece is connected with the linkage rod (3).
4. The elevator car braking apparatus according to claim 3, wherein: the brake frame (21) further comprises a reset part (213) which can be arranged on the car frame in a sliding mode along the vertical direction, the reset part (213) and the pull locking part (211) are fixed into a whole, and the upper end portion of the reset elastic piece (23) is connected with the reset part (213).
5. The elevator car braking apparatus according to claim 3, wherein: the two safety gears (1) are progressive safety gears (1) and are symmetrically arranged on the car frame.
6. The elevator car braking apparatus according to claim 1, wherein: and a rotating axis between the lifting rod (212) and the swing rod (22) is parallel to the rotating axis of the linkage rod (3).
7. Elevator car braking apparatus according to any one of claims 1-6, characterized in that: the car frame comprises an upper beam (4), and the elevator car braking device is arranged on the upper beam (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922443624.1U CN211594675U (en) | 2019-12-30 | 2019-12-30 | Elevator car braking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922443624.1U CN211594675U (en) | 2019-12-30 | 2019-12-30 | Elevator car braking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211594675U true CN211594675U (en) | 2020-09-29 |
Family
ID=72597963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922443624.1U Active CN211594675U (en) | 2019-12-30 | 2019-12-30 | Elevator car braking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211594675U (en) |
-
2019
- 2019-12-30 CN CN201922443624.1U patent/CN211594675U/en active Active
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