CN212503506U

CN212503506U - Safety tongs for high-speed elevator

Info

Publication number: CN212503506U
Application number: CN202021062558.XU
Authority: CN
Inventors: 徐子贤; 徐士路; 徐士刚
Original assignee: Wujiang Ruinuo Machinery Equipment Processing Co ltd
Current assignee: Wujiang Ruinuo Machinery Equipment Processing Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-02-09
Anticipated expiration: 2030-06-11

Abstract

The utility model relates to the technical field of elevators, in particular to a high-speed elevator safety tongs, which solves the defects of slow action and weak clamping strength in the prior art and comprises a car body, wherein an emergency stop button is arranged inside the car body, the top of the car body is fixed with a mounting seat through a countersunk bolt, the top of the mounting seat is sequentially provided with a first clamping mechanism and a second clamping mechanism, a through groove is formed in the mounting seat, the top of the car body is provided with a steel wire rope, and the steel wire rope passes through the inside of the through groove; through the setting of first clamping mechanism, second clamping mechanism, latch segment and locking groove isotructure, adopted dual clamping mechanism to press from both sides tightly wire rope, press from both sides tight intensity and promote greatly to utilize latch segment and locking groove cooperation locking after pressing from both sides tightly, can keep current clamping state, eliminated the potential safety hazard that the safety tongs exists, had stronger practicality.

Description

Safety tongs for high-speed elevator

Technical Field

The utility model relates to an elevator technical field especially relates to a high-speed elevator safety tongs.

Background

An elevator safety gear refers to a clamping device which can clamp a steel wire rope to prevent an elevator car from continuously moving when an elevator needs emergency braking, and is used for ensuring the operation safety of the elevator car when the elevator is in danger.

At present, the elevator safety tongs have the following defects: firstly, the safety gear is slow in action and cannot brake the lift car in time; secondly, the clamping strength of the safety tongs is weaker, and certain potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of slow action and weak clamping strength in the prior art and providing a safety tongs for a high-speed elevator.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a high-speed elevator safety gear comprises a car body, wherein an emergency stop button is installed inside the car body, a mounting seat is fixed to the top of the car body through a countersunk bolt, a first clamping mechanism and a second clamping mechanism are sequentially arranged on the top of the mounting seat, a through groove is formed in the mounting seat, a steel wire rope is arranged on the top of the car body, and the steel wire rope penetrates through the inside of the through groove;

the first clamping mechanism comprises a servo motor and a supporting plate which are symmetrically arranged, the servo motor and the supporting plate are fixedly connected with the mounting seat through bolts, the output end of the servo motor is connected with a screw rod through a coupler, and a first brake pressing plate and a second brake pressing plate are respectively arranged outside the screw rod in a sliding mode;

the second clamping mechanism comprises a first electromagnet and a second electromagnet, the first electromagnet and the second electromagnet are arranged inside the mounting seat in a sliding mode, arc-shaped grooves are formed in the end portions of the first electromagnet and the second electromagnet, rubber pads are bonded on the side walls of the arc-shaped grooves through adhesives, symmetrically arranged locking grooves are formed in the top portions of the first electromagnet, and the end portions of the second electromagnet are fixedly connected with locking blocks matched with the locking grooves through screws.

Preferably, the inside of backup pad and the lateral wall that leads to the groove install first bearing and second bearing respectively, the screw rod cover is established in the inside of first bearing and second bearing.

Preferably, the two sides of the inner wall of the through groove are both provided with symmetrically arranged telescopic grooves, the inner parts of the telescopic grooves are connected with telescopic rods in a sliding manner, and the other ends of the telescopic rods are fixedly connected with one sides of the first brake pressing plate and the second brake pressing plate through screws.

Preferably, the clamping grooves are formed in two sides of the inner wall of the locking groove, the side grooves are formed in two sides of the locking block, and the clamping blocks matched with the clamping grooves are connected to the inside of the side grooves in a sliding mode.

Preferably, the side wall of the side groove is fixedly connected with a spring through a buckle, and the other end of the spring is fixedly connected with one side of the clamping block through the buckle.

Preferably, the first brake pressing plate and the second brake pressing plate are respectively provided with a first mounting hole and a second mounting hole which are symmetrically arranged, the first mounting hole and the second mounting hole are respectively fixed with a first nut and a second nut through countersunk bolts, and the first nut and the second nut are assembled outside the screw rod.

Preferably, one side of the first brake pressure plate and one side of the second brake pressure plate are respectively provided with a first groove and a second groove.

The utility model has the advantages that:

1. the utility model discloses in through the setting of first electro-magnet, second electro-magnet isotructure, equipment adopts the electromagnetism suction action, and the action is rapid, can carry out preliminary clamp to wire rope in first reaction time.

2. The utility model discloses in through the setting of first clamping mechanism, second clamping mechanism, latch segment and locking groove isotructure, adopted dual clamping mechanism to press from both sides tightly wire rope, press from both sides tight intensity and promote greatly to utilize latch segment and locking groove cooperation locking after pressing from both sides tightly, can keep current clamping state, eliminated the potential safety hazard that the safety tongs exists, had stronger practicality.

Drawings

Fig. 1 is a front view of a safety gear for high-speed elevators according to the present invention;

fig. 2 is a top view of the mounting base according to the present invention;

fig. 3 is an enlarged schematic view of a point a of the safety tongs for a high-speed elevator provided by the utility model.

In the figure: the elevator car comprises a car body 1, a mounting seat 2, a first clamping mechanism 3, a supporting plate 31, a telescopic groove 32, a telescopic rod 33, a first brake pressing plate 34, a second brake pressing plate 35, a screw rod 36, a second clamping mechanism 4, an inner groove 41, a first electromagnet 42, a locking groove 421, a clamping groove 422, a second electromagnet 43, an arc-shaped groove 44, a rubber pad 45, a locking block 46, a side groove 461, a spring 462, a clamping block 463 and a steel wire rope 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a high-speed elevator safety gear comprises a car body 1, wherein an emergency stop button is installed inside the car body 1, an installation seat 2 is fixed at the top of the car body 1 through a countersunk bolt, a first clamping mechanism 3 and a second clamping mechanism 4 are sequentially arranged at the top of the installation seat 2, a through groove 6 is formed in the installation seat 2, a steel wire rope 5 is arranged at the top of the car body 1, and the steel wire rope 5 penetrates through the through groove 6; the first clamping mechanism 3 comprises a servo motor and a support plate 31 which are symmetrically arranged, the servo motor and the support plate 31 are fixedly connected with the mounting base 2 through bolts, the output end of the servo motor is connected with a screw rod 36 through a coupler, and a first brake pressure plate 34 and a second brake pressure plate 35 are respectively arranged outside the screw rod 36 in a sliding mode; second clamping mechanism 4 includes first electro-magnet 42 and second electro-magnet 43, and first electro-magnet 42 and second electro-magnet 43 all slide to set up in the inside of mount pad 2, and the tip of first electro-magnet 42 and second electro-magnet 43 has all seted up arc wall 44, and the lateral wall of arc wall 44 has bonded rubber pad 45 through the adhesive, and symmetrical arrangement's locking groove 421 has been seted up at the top of first electro-magnet 42, and the tip of second electro-magnet 43 passes through screw fixedly connected with and locking groove 421 assorted latch segment 46.

Through first electro-magnet 42, the setting of second electro-magnet 43 isotructure, equipment adopts the electromagnetism suction action, the action is rapid, can tentatively press from both sides tightly wire rope 5 in first reaction time, through first clamping mechanism 3, second clamping mechanism 4, the setting of latch segment 46 and locking groove 421 isotructure, dual clamping mechanism has been adopted and has been pressed from both sides tightly wire rope 5, it promotes greatly to press from both sides tight intensity, and utilize latch segment 46 and locking groove 421 cooperation locking after pressing from both sides tightly, can keep current clamping state, the potential safety hazard that the safety tongs exists has been eliminated, stronger practicality has.

In this embodiment, the first bearing and the second bearing are respectively installed inside the supporting plate 31 and on the side wall of the through groove 6, and the screw 36 is sleeved inside the first bearing and the second bearing.

In this embodiment, the inner wall both sides of leading to groove 6 all offer the flexible groove 32 of symmetrical arrangement, and the inside sliding connection in flexible groove 32 has telescopic link 33, and one side fixed connection of the other end of telescopic link 33 through screw and first braking clamp plate 34 and second braking clamp plate 35 designs telescopic link 33 and prescribes a limit to the removal stroke and the moving direction of two braking boards.

In this embodiment, draw-in groove 422 has all been seted up to the inner wall both sides of locking groove 421, and side groove 461 has all been seted up to the both sides of latch segment 46, and the inside sliding connection of side groove 461 has and draw-in groove 422 assorted fixture block 463, utilizes fixture block 463 and draw-in groove 422 cooperation locking, further promotes the security.

In this embodiment, the side wall of the side groove 461 is fixedly connected with the spring 462 through a buckle, and the other end of the spring 462 is fixedly connected with one side of the latch 463 through a buckle.

In this embodiment, the first brake pressure plate 34 and the second brake pressure plate 35 are respectively provided with a first mounting hole and a second mounting hole which are symmetrically arranged, the first mounting hole and the second mounting hole are respectively fixed with a first nut and a second nut through countersunk bolts, and the first nut and the second nut are assembled outside the screw rod 36.

In this embodiment, one side of the first brake pressure plate 34 and one side of the second brake pressure plate 35 are respectively provided with a first groove and a second groove, and the grooves are designed to increase friction force and improve clamping strength.

The utility model discloses a concrete implementation process as follows: when the elevator runs, the steel wire rope 5 penetrates through the through groove 6 and is not influenced by the clamping mechanism, when a person emergently brakes and presses the emergency stop button, the emergency stop button feeds back a signal to a controller of the elevator, and the controller enables the servo motor to be started and enables the first electromagnet 42 and the second electromagnet 43 to be electrified;

further, the second clamping mechanism 4 acts: the two electromagnets move by virtue of suction force to clamp the steel wire rope 5 between the arc-shaped grooves 44, the rubber pads 45 are utilized to improve friction force and avoid the steel wire rope 5 from being clamped and broken, meanwhile, the locking block 46 is inserted into the locking groove 421, the clamping block 463 is firstly extruded into the side groove 461 and then is ejected out from the position of the clamping groove 422, so that the electromagnets are kept in the current clamping state; the first clamping mechanism 3 acts: the servo motor enables the screw rod 36 to rotate, the first nut and the second nut move in opposite directions under the action of the screw rod 36, the first brake pressing plate 34 and the second brake pressing plate 35 are acted to clamp the steel wire rope 5 again, the clamping strength is improved, and the telescopic rod 33 slides along with the two brake pressing plates in a self-adaptive mode.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The safety tongs for the high-speed elevator comprise a car body (1), and are characterized in that an emergency stop button is mounted inside the car body (1), a mounting seat (2) is fixed to the top of the car body (1) through a countersunk bolt, a first clamping mechanism (3) and a second clamping mechanism (4) are sequentially arranged on the top of the mounting seat (2), a through groove (6) is formed in the mounting seat (2), a steel wire rope (5) is arranged on the top of the car body (1), and the steel wire rope (5) penetrates through the through groove (6);

the first clamping mechanism (3) comprises a servo motor and a support plate (31) which are symmetrically arranged, the servo motor and the support plate (31) are fixedly connected with the mounting base (2) through bolts, the output end of the servo motor is connected with a screw rod (36) through a coupler, and a first brake pressure plate (34) and a second brake pressure plate (35) are respectively arranged outside the screw rod (36) in a sliding mode;

second clamping mechanism (4) include first electro-magnet (42) and second electro-magnet (43), first electro-magnet (42) and second electro-magnet (43) all slide to set up in the inside of mount pad (2), and arc wall (44) have all been seted up to the tip of first electro-magnet (42) and second electro-magnet (43), the lateral wall of arc wall (44) bonds through the adhesive has rubber pad (45), symmetrical arrangement's locking groove (421) are seted up at the top of first electro-magnet (42), the tip of second electro-magnet (43) passes through screw fixedly connected with and locking groove (421) assorted latch segment (46).

2. A high-speed elevator safety gear according to claim 1, characterized in that the inside of the support plate (31) and the side wall of the through groove (6) are respectively provided with a first bearing and a second bearing, and the screw rod (36) is sleeved inside the first bearing and the second bearing.

3. The safety tongs for the high-speed elevators according to claim 1, wherein the two sides of the inner wall of the through groove (6) are provided with symmetrically arranged telescopic grooves (32), the telescopic rods (33) are slidably connected inside the telescopic grooves (32), and the other ends of the telescopic rods (33) are fixedly connected with one sides of the first brake pressure plate (34) and the second brake pressure plate (35) through screws.

4. The safety tongs for the high-speed elevators according to claim 1, wherein the locking grooves (422) are formed on both sides of the inner wall of the locking groove (421), the side grooves (461) are formed on both sides of the locking block (46), and the locking block (463) matched with the locking grooves (422) is slidably connected inside the side grooves (461).

5. A safety gear for high-speed elevators according to claim 4, wherein the side wall of the side groove (461) is fixedly connected with the spring (462) by means of a snap, and the other end of the spring (462) is fixedly connected with one side of the latch (463) by means of a snap.

6. The safety tongs for the high-speed elevators according to claim 1, wherein the first brake pressure plate (34) and the second brake pressure plate (35) are respectively provided with a first mounting hole and a second mounting hole which are symmetrically arranged inside, the first mounting hole and the second mounting hole are respectively fixed with a first nut and a second nut through countersunk bolts inside, and the first nut and the second nut are assembled outside the screw rod (36).

7. A high-speed elevator safety gear according to claim 1, characterized in that one side of the first brake pressure plate (34) and the second brake pressure plate (35) is provided with a first groove and a second groove, respectively.