CN215402443U - Double-safety-tongs linkage assembly for elevator - Google Patents

Double-safety-tongs linkage assembly for elevator Download PDF

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Publication number
CN215402443U
CN215402443U CN202120737856.2U CN202120737856U CN215402443U CN 215402443 U CN215402443 U CN 215402443U CN 202120737856 U CN202120737856 U CN 202120737856U CN 215402443 U CN215402443 U CN 215402443U
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China
Prior art keywords
safety
elevator
counterweight
car
wire rope
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CN202120737856.2U
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Chinese (zh)
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陆春元
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Suzhou Vocational University
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Suzhou Vocational University
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Abstract

The utility model discloses an elevator double-safety gear linkage assembly, which is combined with a car and a counterweight of an elevator, wherein the car and the counterweight are both arranged in an elevator shaft, the elevator double-safety gear linkage assembly is positioned between the car and the counterweight, the elevator double-safety-tong linkage assembly comprises a bidirectional speed governor, a speed governor steel wire rope, a tensioning device, a car safety tong and a counterweight safety tong, wherein the bidirectional speed governor is fixedly arranged at the top of an elevator shaft, the tensioning device is fixedly arranged at the bottom of the elevator shaft, the speed governor steel wire rope is a closed loop line, the speed-limiting steel wire rope simultaneously surrounds the bidirectional speed limiter and the tensioning device, the lift car safety gear is connected with the lift car, meanwhile, the lift car safety gear is connected with the speed-limiting steel wire rope, the counterweight safety gear is connected with the counterweight, the counterweight safety gear is connected with the speed-limiting steel wire rope, and the car safety gear and the counterweight safety gear are respectively positioned on two sides of the bidirectional speed limiter. The double-safety-tongs linkage assembly of the elevator is small in size and low in cost.

Description

Double-safety-tongs linkage assembly for elevator
Technical Field
The utility model relates to the technical field of elevator correlation, in particular to an elevator double-safety-tongs linkage assembly.
Background
The speed limiter and the safety tongs are important safety parts of the elevator, and play a role in overspeed protection in the working process of the elevator. In the prior art, a set of speed limiter is generally used for linking a set of safety tongs, the speed of a car is monitored by the speed limiter corresponding to an elevator car, the speed limiter is connected with a lifting structure corresponding to the safety tongs through a steel wire rope, the lifting structure is connected with the car at the same time, and the lifting structure moves along with the car. When the elevator runs at an overspeed, the speed limiter clamps the steel wire rope, the steel wire rope stops moving, and the lifting structure of the safety tongs is lifted, so that the lift car is stopped. In order to improve the safety performance, can best be simultaneously for counter-weight safety tongs, adopt prior art's scheme, set up one set of overspeed governor that needs to set up simultaneously to one set of counter-weight safety tongs, this will cause when elevator well space is less (for example when installing home elevator), can't set up two sets of overspeed governors under the prerequisite that does not reduce the car size. Reducing the size of the car results in less elevator load bearing and can affect the riding experience of passengers. In view of the defects in the prior art, there is a need in the art for a smaller-sized elevator safety gear braking device, so that the linkage control of the car and the counterweight safety gear can be realized without reducing the size of the car.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model aims to provide an elevator double-safety-tong linkage assembly, which adopts a bidirectional speed limiter, wherein a steel wire rope of the bidirectional speed limiter is linked with two sets of safety tongs of a car and a counterweight, and when the car or the counterweight is overspeed, the bidirectional speed limiter is linked with the corresponding safety tongs to act, so that emergency braking is realized.
In order to achieve the above purpose, the utility model provides an elevator double safety gear linkage assembly, the elevator double safety gear linkage assembly is combined with a car and a counterweight of an elevator, the car and the counterweight are installed in an elevator shaft, the elevator double safety gear linkage assembly is located between the car and the counterweight, the elevator double safety gear linkage assembly comprises a bidirectional speed limiter, a speed limiter steel wire rope, a tensioning device, a car safety gear and a counterweight safety gear, the bidirectional speed limiter is fixedly installed at the top of the elevator shaft, the tensioning device is fixedly installed at the bottom of the elevator shaft, the speed limiter steel wire rope is a closed loop, the speed limiting steel wire rope simultaneously surrounds the bidirectional speed limiter and the tensioning device, the car safety gear is connected with the car, and the car safety gear is connected with the speed limiting steel wire rope, the counterweight safety gear is connected with the counterweight, the counterweight safety gear is connected with the speed-limiting steel wire rope, and the car safety gear and the counterweight safety gear are respectively positioned on two sides of the bidirectional speed limiter.
Preferably, the car safety gear comprises a first lifting mechanism, and the first lifting mechanism is connected with the speed limiting steel wire rope.
Preferably, the counterweight safety gear comprises a second lifting structure, and the second lifting structure is connected with the speed-limiting steel wire rope.
Compared with the prior art, the elevator double-safety-tongs linkage assembly disclosed by the utility model has the advantages that: the double-safety-tong linkage assembly of the elevator has smaller volume, and can realize linkage control of the car and the counterweight under the condition of not reducing the size of the car; the double-safety-tongs linkage assembly of the elevator realizes the control of two safety tongs through one set of speed limiter, saves one set of speed limiter, and can reduce cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an elevator double safety gear linkage assembly according to the present invention.
Fig. 2 is a top view of the elevator dual safety gear linkage assembly when installed.
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 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.
As shown in fig. 1 and 2, the elevator double safety gear linkage assembly of the present application is combined with a car 1 and a counterweight 2 of an elevator, the car 1 and the counterweight 2 are both installed in an elevator hoistway, the elevator double safety gear linkage assembly is located between the car 1 and the counterweight 2, the elevator double safety gear linkage assembly includes a bidirectional speed limiter 10, a speed limiter wire rope 11, a tensioning device 12, a car safety gear 21 and a counterweight safety gear 22, the bidirectional speed limiter 10 is fixedly installed at the top of the elevator hoistway, the tensioning device 12 is fixedly installed at the bottom of the elevator hoistway, the speed limiter wire rope 11 is a closed loop, the speed limiter wire rope 11 simultaneously surrounds the bidirectional speed limiter 10 and the tensioning device 12, the car safety gear 21 is connected with the car 1, the car safety gear 21 is connected with the speed limiter wire rope 11, the counterweight safety gear 22 is connected with the counterweight 2, and the counterweight safety gear 22 is connected with the speed limiter wire rope 11, the car safety gear 21 and the counterweight safety gear 22 are located on both sides of the bidirectional speed governor 10. In the running process of the elevator, when the speed of the car 1 exceeds a limit standard, the bidirectional speed limiter 10 clamps the speed-limiting steel wire rope 11, the speed-limiting steel wire rope 11 stops moving, the car safety gear 21 is driven to act, and the car 1 stops running; when the speed of the counterweight 2 exceeds a limit standard, the two-way speed governor 10 clamps the speed-limiting steel wire rope 11, the speed-limiting steel wire rope 11 stops moving, the counterweight safety gear 22 is driven to act, and the counterweight 2 stops running. In the case that the car 1 or the counterweight 2 overspeed, the elevator double safety gear linkage assembly can realize emergency braking to the elevator double safety gear linkage assembly. The two safety tongs are controlled through the two-way speed limiter 10, and the size of the double-safety-tong linkage assembly of the elevator can be effectively reduced so as to adapt to a smaller scene of an elevator shaft.
Specifically, the car safety gear 21 includes a first lifting mechanism 111, and the first lifting mechanism 111 is connected to the speed-limiting wire rope 11. When the car 1 is overspeed, the speed-limiting steel wire rope 11 stops moving, the first lifting mechanism 111 is lifted, the car safety gear 21 is driven to act, and the car 1 is stopped. The counterweight safety gear 22 comprises a second lifting structure 112, and the second lifting structure 112 is connected with the speed-limiting steel wire rope 11. When the counterweight 2 is overspeed, the speed-limiting steel wire rope 11 stops moving, the second lifting mechanism 112 is lifted, the counterweight safety gear 21 is driven to act, and the counterweight 2 is stopped.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (3)

1. A double-safety-tongs linkage component of an elevator is characterized in that the double-safety-tongs linkage component of the elevator is combined with a car and a counterweight of the elevator, the car and the counterweight are installed in an elevator shaft, the double-safety-tongs linkage component of the elevator is located between the car and the counterweight, the double-safety-tongs linkage component of the elevator comprises a bidirectional speed governor, a speed governor steel wire rope, a tensioning device, a car safety tongs and a counterweight safety tongs, the bidirectional speed governor is fixedly installed at the top of the elevator shaft, the tensioning device is fixedly installed at the bottom of the elevator shaft, the speed governor steel wire rope is a closed loop, the speed-limiting steel wire rope simultaneously surrounds the bidirectional speed governor and the tensioning device, the car safety tongs are connected with the car, meanwhile, the car safety tongs are connected with the speed limiting steel wire rope, the counterweight safety tongs are connected with the counterweight, meanwhile, the counterweight safety gear is connected with the speed-limiting steel wire rope, and the car safety gear and the counterweight safety gear are respectively positioned on two sides of the bidirectional speed limiter.
2. The elevator dual safety gear linkage assembly of claim 1, wherein the car safety gear comprises a first lifting mechanism, the first lifting mechanism being connected to the speed limit wire rope.
3. The elevator dual safety gear linkage assembly according to claim 1, wherein the counterweight safety gear comprises a second lifting structure, and the second lifting structure is connected with the speed-limiting steel wire rope.
CN202120737856.2U 2021-04-12 2021-04-12 Double-safety-tongs linkage assembly for elevator Active CN215402443U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120737856.2U CN215402443U (en) 2021-04-12 2021-04-12 Double-safety-tongs linkage assembly for elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120737856.2U CN215402443U (en) 2021-04-12 2021-04-12 Double-safety-tongs linkage assembly for elevator

Publications (1)

Publication Number Publication Date
CN215402443U true CN215402443U (en) 2022-01-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120737856.2U Active CN215402443U (en) 2021-04-12 2021-04-12 Double-safety-tongs linkage assembly for elevator

Country Status (1)

Country Link
CN (1) CN215402443U (en)

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