CN210339996U

CN210339996U - Elevator transmission structure with emergency device

Info

Publication number: CN210339996U
Application number: CN201921262398.0U
Authority: CN
Inventors: 钱建明; 王建明; 温海峰
Original assignee: Hengda Fuji Elevator Co Ltd
Current assignee: Hengda Fuji Elevator Co Ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-04-17
Anticipated expiration: 2029-08-06

Abstract

The utility model belongs to the technical field of elevator transmission system, a elevator transmission structure with emergency device is disclosed, including elevartor shaft, first baffle, second baffle, traction sheave, leading wheel, to heavy, car and emergency device, first baffle, second baffle set firmly in the elevartor shaft inner wall, the traction sheave is driven by the motor that sets up on the elevartor shaft inner wall, is equipped with the towline between heavy, the car, first baffle is equipped with first through-hole, the second baffle is equipped with the second through-hole, emergency device arranges in between first baffle, the second baffle, emergency device includes electro-magnet, magnetic part, articulated portion, connecting rod and clamping piece; an emergency device for fixing the hauling rope when the elevator falls is additionally arranged, and when the elevator falls, an electromagnet in the emergency device loses magnetism to enable a magnetic part to move downwards so as to drive a clamping part to fix the hauling rope to prevent the elevator car from falling; the elevator falling problem can be rapidly solved by the method, and the possibility of injury of trapped people is reduced to the maximum extent.

Description

Elevator transmission structure with emergency device

Technical Field

The utility model belongs to the technical field of elevator transmission system, especially, relate to an elevator transmission structure with emergency device.

Background

An elevator is a permanent transport device serving a number of specific floors in a building, the cars of which move in at least two rows of rigid tracks perpendicular to the horizontal or inclined at an angle of less than 15 ° to the vertical; elevators are also of the stepped type, with tread plates mounted on a track for continuous operation, commonly known as escalators or moving walkways, serving fixed lifting equipment at a given floor. Wherein the vertical lift elevator has a car which runs between at least two vertical rows of rigid guide rails or guide rails with an angle of inclination of less than 15. The size and the structural form of the car are convenient for passengers to access or load and unload goods. It is customary to use elevators as a generic term for vertical transport means in buildings, irrespective of their drive mode.

At the in-process of some low-rise elevator operation, the safety device of elevator is malfunctioning often appears, traction is not enough, the overspeed governor is malfunctioning the scheduling problem, leads to the elevator accident of falling, causes great loss of property and casualties accident, and passenger's safety can't be guaranteed well to conventional elevartor shaft bottom buffer when the elevator takes place to fall, still can cause the arm can fracture or even injure and death, does not solve the safety problem well.

Disclosure of Invention

The utility model aims at providing an elevator transmission structure with emergency device for solve the above-mentioned elevator because of safety device is malfunctioning, the tractive is not enough, the malfunctioning scheduling problem of overspeed governor, lead to the elevator accident of falling, cause major loss of property and casualties accident, conventional elevartor shaft bottom buffer can't guarantee passenger's safety well when the elevator takes place to fall, still can cause the arm can fracture or even casualties, does not solve the safety problem well.

The utility model provides a technical scheme that its technical problem adopted is, provides an elevator transmission structure with emergency device, include elevartor shaft, first baffle, second baffle, traction sheave, leading wheel, to heavy, car and emergency device, first baffle, second baffle set firmly at the elevartor shaft inner wall, first baffle top is arranged in to traction sheave, leading wheel, traction sheave is by the motor drive who sets up on the elevartor shaft inner wall, to being equipped with around establishing the haulage rope on traction sheave, leading wheel between to heavy, the car, first baffle is equipped with the first through-hole for the haulage rope to wear out, the second baffle is equipped with the second through-hole for the haulage rope to wear out, emergency device arranges in between first baffle, the second baffle, emergency device including arrange in the electro-magnet of first baffle below, arrange in the magnetic part of electro-magnet below, The clamping piece is arranged above the second partition plate, the magnetic piece is vertically moved downwards under the action of gravity due to the fact that the electromagnet loses magnetism when the elevator is in an emergency, and the clamping piece is driven by the connecting rod to move towards the traction rope until the traction rope is fixed, so that the elevator car stops falling.

Further preferably, the clamping piece includes the sliding block of being connected with the connecting rod and arranges the fixed block of second through-hole one side in, the sliding block is close to fixed block one side and is equipped with arch and spacing groove, the towline is worn out the spacing groove, be equipped with the dwang in the fixed block, with dwang middle part articulated dead lever, elastic component, arrange in promote the piece at dwang both ends, press from both sides tight piece and third through-hole, the elastic component is arranged in the dwang both ends and is replied to perpendicular with the dead lever with providing elasticity messenger's dwang, the third through-hole is seted up and is close to sliding block one side at the fixed block, drives the sliding block by the connecting rod and removes to the fixed block when the magnetic component moves down, and the arch passes the third through-hole and supports and promote the piece and.

Further preferably, the fixed block further comprises limiting plates which are respectively arranged on two sides of the pushing block and the clamping block and used for forming a channel for the pushing block and the clamping block to slide, and the limiting plates are fixedly arranged at two ends of the third through hole.

Further preferably, the second partition board is further provided with a slide rail for moving the slide block.

Further preferably, a generator connected with the electromagnet and used for supplying power to the electromagnet is further arranged above the first partition plate.

Further preferably, a support plate for supporting the magnetic member is further provided on the second partition plate.

Further preferably, the elevator further comprises buffers respectively arranged at the bottoms of the counterweight and the car.

Further preferably, the emergency device further comprises isolation plates arranged on two sides of the electromagnet.

Further preferably, the isolation plate is L-shaped.

Further preferably, a fixing seat for fixing the motor is arranged below the motor, and one end of the fixing seat is fixedly arranged on the inner wall of the elevator shaft.

The utility model has the advantages that:

1. an emergency device for fixing the hauling rope when the elevator falls is additionally arranged, and when the elevator falls, an electromagnet in the emergency device loses magnetism to enable a magnetic part to move downwards so as to drive a clamping part to fix the hauling rope to prevent the elevator car from falling; the method can quickly solve the problem of falling of the elevator and maximally reduce the possibility of injury of trapped people;

2. the counterweight and the buffer matched with the car are arranged, so that the falling speed of the car can be reduced, and the stability of the emergency device for fixing the hauling rope is improved.

Drawings

Fig. 1 is a schematic structural view of an elevator transmission structure with an emergency device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a clamping member in an elevator transmission structure with an emergency device according to an embodiment of the present invention;

fig. 3 is another schematic structural diagram of a clamping member in an elevator transmission structure with an emergency device according to an embodiment of the present invention.

In the figure: 1-elevator shaft, 11-motor, 12-fixing seat, 2-first partition plate, 21-first through hole, 22-generator, 3-second partition plate, 31-second through hole, 32-sliding rail, 33-supporting plate, 4-traction wheel, 5-guide wheel, 6-counterweight, 7-car, 8-emergency device, 81-electromagnet, 82-magnetic part, 83-hinge part, 84-connecting rod, 85-clamping part, 86-sliding block, 861-bulge, 862-limit groove, 87-fixing block, 871-rotating rod, 872-fixing rod, 873-elastic part, 874-pushing block, 875-clamping block, 876-third through hole, 877-limit plate, 88-partition plate, 9-hoisting ropes, 10-buffers.

Detailed Description

In order to more clearly illustrate embodiments and/or technical solutions in the prior art, embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort. In addition, the term "orientation" merely indicates a relative positional relationship between the respective members, not an absolute positional relationship.

Please refer to fig. 1. The elevator transmission structure with the emergency device of this embodiment includes an elevator shaft 1, a first partition plate 2, a second partition plate 3, a traction sheave 4, a guide sheave 5, a counterweight 6, a car 7, and an emergency device 8, the first partition plate 2 and the second partition plate 3 are fixedly disposed on an inner wall of the elevator shaft 1, the traction sheave 4 and the guide sheave 5 are disposed above the first partition plate 2, the traction sheave 4 is driven by a motor 11 disposed on the inner wall of the elevator shaft 1, a traction rope 9 wound on the traction sheave 4 and the guide sheave 5 is disposed between the counterweight 6 and the car 7, the first partition plate 2 is provided with a first through hole 21 for the traction rope 9 to pass through, the second partition plate 3 is provided with a second through hole 31 for the traction rope 9 to pass through, the emergency device 8 is disposed between the first partition plate 2 and the second partition plate 3, and the emergency device 8 includes an electromagnet 81 disposed below the first partition plate 2, The elevator safety device comprises a magnetic part 82 arranged below the electromagnet 81, hinge parts 83 arranged at two sides of the magnetic part 82, a connecting rod 84 hinged with the hinge parts 83 and a clamping part 85 arranged at one end of the connecting rod 84, wherein the clamping part 85 is arranged above the second partition plate 3, when the elevator is in an emergency, the magnetic part 82 moves vertically downwards under the action of gravity because the electromagnet 81 loses magnetism, and the clamping part 85 is driven by the connecting rod 84 to move towards the hauling rope 9 until the hauling rope 9 is fixed, so that the elevator car 7 stops dropping.

In a preferred embodiment, a generator 22 connected with the electromagnet 81 for supplying power to the electromagnet 81 is further arranged above the first partition plate 2; the generator 22 and the motor 11 of the embodiment can be both electrically connected with a controller, the controller is used for controlling the on-off of the generator 22 and the motor 11, the controller of the siemens controller, which can be S7-200, can be wirelessly connected with an emergency button arranged in the car, when the elevator falls, a trapped person can press the emergency button to control the generator 22 and the motor 11 to be closed, the motor 11 is used for controlling and driving the hauling rope 9, when the motor 11 is closed, the hauling rope 9 is dragged by the gravity of the car 7 to move upwards, and the car 7 is fixed to move downwards by the gravity of the weight which is larger than the tension of the counterweight; at this time, the electromagnet 81 is powered off and loses magnetism, the magnetic member 82 magnetically attracted to the electromagnet 81 falls vertically downward along a horizontal plane, and the clamping members 85 disposed at both sides of the magnetic member 82 move toward the hoist ropes 9 at both sides and fix the hoist ropes 9.

Please refer to fig. 2 and 3 as a preferred embodiment. The clamping member 85 includes a sliding block 86 connected to the connecting rod 84 and a fixing block 87 disposed at one side of the second through-hole 31, a protrusion 861 and a limit slot 862 are arranged on one side of the sliding block 86 close to the fixed block 87, the hauling cable 9 penetrates out of the limit slot 862, a rotating rod 871, a fixing rod 872 hinged with the middle part of the rotating rod 871, an elastic member 873, a pushing block 874 arranged at the two ends of the rotating rod 871, a clamping block 875 and a third through hole 876 are arranged in the fixing block 87, the elastic members 873 are disposed at both ends of the rotating rod 871 to provide elastic force to make the rotating rod 871 return to be perpendicular to the fixing rod 872, the third through hole 876 is formed at one side of the fixing block 87 close to the sliding block 86, when the magnetic member 82 moves downward, the connecting rod 84 drives the sliding block 86 to move towards the fixed block 87, the protrusion 861 passes through the third through hole 876 to abut against the pushing block 874 and move towards the rotating rod 871, and the clamping block 875 is pushed by the rotating rod 871 to move towards the limiting groove 862 until abutting against the hoist rope 9.

When the magnetic element 82 falls down, the sliding block 86 moves towards the sliding block 86, the protrusion 861 of the sliding block passes through the third through hole 876 to abut against the pushing block 874, the pushing block 874 abuts against one end of the rotating rod 871 and moves along the moving direction of the pushing block 874, the other end of the rotating rod 871 can move along the opposite direction of the moving direction of the pushing block 874 according to the lever principle, and then the clamping block 875 is pushed to move towards the third through hole 876 until the clamping block 875 extends into the limit groove 862 and is clamped with the hauling rope 9 placed in the limit groove 862; in order to fix the hauling rope 9 better, the end part of the clamping block 875 and the inner wall of the limit slot 862 can enclose an approximately circular channel, and the hauling rope 9 is fixed in the channel; when the device is reset, the two ends of the rotating rod 871 can be pulled by the elastic force of the elastic member 873 to make the rotating rod 871 return to be perpendicular to the fixing rod 872, and the pushing block 874 and the clamping block 875 are both arranged in the limit plate 877 without affecting the next emergency action.

In particular, the fixing block 87 further includes limiting plates 877 respectively disposed at two sides of the pushing block 874 and the clamping block 875 to form a channel for the pushing block 874 and the clamping block 875 to slide, and the limiting plates 877 are fixedly disposed at two ends of the third through hole 876.

In order to facilitate the sliding block 86 to move on the second partition 3, the second partition 3 is further provided with a sliding rail 32.

In particular, the second partition board 3 is further provided with a support plate 33 for supporting the magnetic member 82; the magnetic element 82, after falling, rests against the support plate 33 at the bottom, while the sliding block 86 cooperates with the fixed block 87 to fix the traction rope 9.

In particular, the emergency device 8 further comprises separating plates 88 disposed on either side of the electromagnet 81, the separating plates 88 being configured to isolate magnetically attracted impurities carried by the electromagnet 81 when energized.

Referring to fig. 1, the embodiment further includes buffers 10 respectively disposed at the bottoms of the counterweight 6 and the car 7; buffer 10 here may be the hydraulic buffer of an elevator of HYD 40-100.

In addition, a fixed seat 12 for fixing the motor 11 is arranged below the motor 11, and one end of the fixed seat 12 is fixedly arranged on the inner wall of the elevator shaft 1.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The utility model provides an elevator transmission structure with emergency device which characterized in that: the elevator comprises an elevator shaft (1), a first partition plate (2), a second partition plate (3), a traction sheave (4), a guide wheel (5), a counterweight (6), a car (7) and an emergency device (8), wherein the first partition plate (2) and the second partition plate (3) are fixedly arranged on the inner wall of the elevator shaft (1), the traction sheave (4) and the guide wheel (5) are arranged above the first partition plate (2), the traction sheave (4) is driven by a motor (11) arranged on the inner wall of the elevator shaft (1), a traction rope (9) wound on the traction sheave (4) and the guide wheel (5) is arranged between the counterweight (6) and the car (7), the first partition plate (2) is provided with a first through hole (21) through which the traction rope (9) penetrates out, the second partition plate (3) is provided with a second through hole (31) through which the traction rope (9) penetrates out, and the emergency device (8) is arranged in the first partition plate (2), Between the second partition plates (3), the emergency device (8) comprises an electromagnet (81) arranged below the first partition plate (2), a magnetic part (82) arranged below the electromagnet (81), hinged parts (83) arranged at two sides of the magnetic part (82), a connecting rod (84) hinged to the hinged parts (83) and a clamping part (85) arranged at one end of the connecting rod (84), the clamping part (85) is arranged above the second partition plate (3), the magnetic part (82) vertically moves downwards under the action of gravity due to the fact that the electromagnet (81) loses magnetism when the elevator is in an emergency, and the clamping part (85) is driven by the connecting rod (84) to move towards the traction rope (9) until the traction rope (9) is fixed so that the elevator car (7) stops dropping.

2. The transmission structure of an elevator with an emergency device according to claim 1, characterized in that: the clamping piece (85) comprises a sliding block (86) connected with the connecting rod (84) and a fixing block (87) arranged on one side of the second through hole (31), a protrusion (861) and a limiting groove (862) are arranged on one side, close to the fixing block (87), of the sliding block (86), the hauling rope (9) penetrates through the limiting groove (862), a rotating rod (871), a fixing rod (872) hinged to the middle of the rotating rod (871), an elastic piece (873), pushing blocks (874) arranged at two ends of the rotating rod (871), a clamping block (875) and a third through hole (876) are arranged in the fixing block (87), the elastic piece (873) is arranged at two ends of the rotating rod (871) to enable the rotating rod (871) to return to be perpendicular to the fixing rod (872), the third through hole (876) is arranged on one side, close to the sliding block (86), and the sliding block (86) is driven by the connecting rod (84) to move towards the fixing block (87) when the magnetic piece (82), the bulge (861) penetrates through the third through hole (876) to abut against the pushing block (874) to move towards the rotating rod (871), and the clamping block (875) is pushed by the rotating rod (871) to move towards the limiting groove (862) until abutting against the hauling rope (9).

3. The transmission structure of an elevator with an emergency device according to claim 2, characterized in that: the fixing block (87) further comprises limiting plates (877) which are respectively arranged on two sides of the pushing block (874) and the clamping block (875) and used for forming a channel for the pushing block (874) and the clamping block (875) to slide, and the limiting plates (877) are fixedly arranged at two ends of the third through hole (876).

4. The transmission structure of an elevator with an emergency device according to claim 2, characterized in that: and the second partition plate (3) is also provided with a sliding rail (32) for moving the sliding block (86).

5. The transmission structure of an elevator with an emergency device according to claim 1, characterized in that: and a generator (22) connected with the electromagnet (81) and used for supplying power to the electromagnet (81) is also arranged above the first partition plate (2).

6. The transmission structure of an elevator with an emergency device according to claim 1, characterized in that: the second clapboard (3) is also provided with a supporting plate (33) for supporting the magnetic part (82).

7. The transmission structure of an elevator with an emergency device according to claim 1, characterized in that: the elevator car further comprises buffers (10) which are respectively arranged at the bottoms of the counterweight (6) and the car (7).

8. The transmission structure of an elevator with an emergency device according to claim 1, characterized in that: the emergency device (8) further comprises partition plates (88) arranged on two sides of the electromagnet (81).

9. The transmission structure of an elevator with an emergency device according to claim 8, characterized in that: the isolation plate (88) is L-shaped.

10. The transmission structure of an elevator with an emergency device according to claim 1, characterized in that: a fixed seat (12) for fixing the motor (11) is arranged below the motor (11), and one end of the fixed seat (12) is fixedly arranged on the inner wall of the elevator shaft (1).