CN108910647B - Balanced rescue device of elevator - Google Patents

Balanced rescue device of elevator Download PDF

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Publication number
CN108910647B
CN108910647B CN201810953787.1A CN201810953787A CN108910647B CN 108910647 B CN108910647 B CN 108910647B CN 201810953787 A CN201810953787 A CN 201810953787A CN 108910647 B CN108910647 B CN 108910647B
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China
Prior art keywords
wheel
elevator
transmission rod
gear
rotating
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CN201810953787.1A
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CN108910647A (en
Inventor
黄涛
陈东
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Hitachi Elevator China Co Ltd
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Hitachi Elevator China Co Ltd
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Priority to CN201810953787.1A priority Critical patent/CN108910647B/en
Publication of CN108910647A publication Critical patent/CN108910647A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B17/00—Hoistway equipment
    • B66B17/12—Counterpoises
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Types And Forms Of Lifts (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Abstract

The invention discloses an elevator balance rescue device, which comprises a primary transmission device and a secondary transmission device which are in transmission connection with each other; the primary transmission device comprises a rotating wheel arranged in an elevator running shaft and an operation part used for controlling the rotating wheel to rotate, and the operation part is arranged outside the elevator running shaft; the secondary transmission device comprises a transmission rod arranged corresponding to the elevator main machine and a gear arranged on a rotating shaft of the elevator main machine, one end of the transmission rod is hinged to the rotating wheel, the other end of the transmission rod is provided with a sliding mechanism for the transmission rod to reciprocate along with the rotation of the rotating wheel, and the transmission rod is provided with a tooth-shaped structure which can be meshed with the gear. The invention provides an elevator balance rescue device, which aims to solve the problem that in a machine room-free elevator product, even if the weight of an elevator car is close to that of a counterweight block and people are trapped, the rescue can be conveniently and quickly carried out.

Description

Balanced rescue device of elevator
Technical Field
The invention belongs to the technical field of elevators, and particularly relates to an elevator balance rescue device.
Background
At present, the elevator without a machine room is developed very rapidly, along with the further popularization and application of the elevator without a machine room, the product demand of the elevator without a machine room in the market is increased day by day, but when the elevator without a machine room is trapped and needs to be rescued, the particularity brought by the structural characteristics of the elevator without a machine room becomes a non-negligible problem. In the elevator without the machine room in the prior art, a main machine of the elevator is arranged in a hoistway, and when people are trapped and the like, people cannot directly carry out barring operation on the main machine to implement rescue like the elevator with the machine room; in addition, when the elevator cage is close to the weight of the counterweight block and people are trapped, the cage cannot move even after the brake is released, so that rescue cannot be timely implemented.
Disclosure of Invention
In order to solve the above problems, the present invention is directed to provide a balanced rescue device for an elevator, which can help rescue quickly even if a car of the elevator is close to a weight of a counterweight and is trapped by people in a machine-roomless elevator product.
In order to achieve the purpose, the invention is realized according to the following technical scheme:
an elevator balance rescue device comprises a primary transmission device and a secondary transmission device which are in transmission connection with each other; the primary transmission device comprises a rotating wheel arranged in an elevator running shaft and an operation part used for controlling the rotating wheel to rotate, and the operation part is arranged outside the elevator running shaft; the secondary transmission device comprises a transmission rod arranged corresponding to the elevator main machine and a gear arranged on a rotating shaft of the elevator main machine, one end of the transmission rod is hinged to the rotating wheel, the other end of the transmission rod is provided with a sliding mechanism for the transmission rod to reciprocate along with the rotation of the rotating wheel, and the transmission rod is provided with a tooth-shaped structure which can be meshed with the gear.
Preferably, the rotating wheel comprises a driving wheel and a driven wheel; the elevator is characterized in that the driving wheel is arranged on the inner side wall of the elevator running shaft, the driven wheel is arranged on a guide rail in the elevator running shaft, and a conveying belt or a conveying chain is arranged between the driving wheel and the driven wheel.
As preferred, correspond the action wheel is provided with the base, the base is including being used for placing the holding chamber of action wheel, being used for fixed mounting the mounting panel of base, the mounting panel symmetry sets up the both sides in holding chamber, the base is provided with one side of mounting panel is provided with the opening.
Preferably, a plane on which the wheel surface of the rotating wheel is located and a plane on which the wheel surface of the gear is located are parallel to each other or overlap each other.
Preferably, the operation portion comprises an outer-hall hand wheel and a hand wheel rotating shaft, one end of the hand wheel rotating shaft is connected with the outer-hall hand wheel, the other end of the hand wheel rotating shaft is provided with a driving bevel gear, and a driven bevel gear is arranged on the driving wheel corresponding to the driving bevel gear.
Preferably, the sliding mechanism comprises a sliding block bracket fixedly arranged on a guide rail in an elevator running shaft and a sliding block, one end of the sliding block is hinged on the sliding block bracket, and the other end of the sliding block is connected with the transmission rod in a sliding manner.
Preferably, the transmission rod is provided with a groove corresponding to the sliding block, the sliding block can slide in the groove, and the sliding block is provided with a bulge corresponding to the groove and matched with the groove.
Preferably, the opening length value of the groove is larger than the distance value of one circle of rotation at the hinged point of the transmission rod and the rotating wheel.
Preferably, the sliding connection end of the transmission rod is arranged above the gear, and the tooth-shaped structure is arranged on one side of the transmission rod facing the gear.
Preferably, the opening length value of the tooth-shaped structure is larger than the distance value of one circle of rotation at the hinged point of the transmission rod and the rotating wheel.
Compared with the prior art, the invention has the beneficial effects that:
1. the elevator balance rescue device is ingeniously provided with the primary transmission device and the secondary transmission device, and the secondary transmission device is driven to move through the primary transmission device, so that a transmission rod and a gear which are arranged on the secondary transmission device are mutually matched to move, and an elevator main machine is driven to intermittently rotate; therefore, the technical problem that people are trapped when the elevator without the machine room is solved, and the cage and the counterweight block are in a relative balance state and cannot be moved to rescue in time is solved.
2. The primary transmission device arranged in the invention drives the driving wheel to rotate by rotating the hand wheel outside the hall, and then drives the driven wheel to rotate by the driving wheel through the conveying belt or the conveying chain; the rotation adjustment of the gear by an operator can be realized without spending excessive force, and the whole operation process is carried out outside the well; therefore, the rescue device provided by the invention is safe, reliable and easy to install.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the rescue device.
Fig. 2 is a schematic structural view of the transmission rod of the present invention.
Fig. 3 is a schematic structural diagram of the base of the present invention.
FIG. 4 is a schematic structural diagram of a slider according to the present invention.
Wherein:
1-elevator running hoistway, 11-guide rail, 12-car, 13-counterweight, 14-elevator main machine, 21-driving wheel, 211-base, 212-accommodating cavity, 213-mounting plate, 22-driven wheel, 221-driven wheel bracket, 23-conveyor belt, 3-hall external hand wheel, 31-hand wheel rotating shaft, 311-driving bevel gear, 312-driven bevel gear, 4-transmission rod, 41-tooth-shaped structure, 42-groove, 5-gear, 6-slide block, 61-slide block bracket and 62-protrusion.
Detailed Description
So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. In addition, the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the following description, numerous specific details are set forth to provide a thorough understanding of the present invention, and the described embodiments are merely a subset of the embodiments of the present invention, rather than a complete embodiment. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example 1
As shown in fig. 1-4, the present embodiment provides a balanced rescue device for an elevator, which mainly includes a primary transmission device and a secondary transmission device that are in transmission connection with each other.
The primary transmission device comprises a rotating wheel arranged in the elevator running shaft 1 and an operation part used for controlling the rotating wheel to rotate, and the operation part is arranged outside the elevator running shaft 1. Preferably, the rotating wheel includes a driving wheel 21 and a driven wheel 22, the driving wheel 21 is disposed on an inner side wall of the elevator operation hoistway 1, the driven wheel 22 is disposed on the guide rail 11 in the elevator operation hoistway 1, and a transmission belt 23 is disposed between the driving wheel 21 and the driven wheel 22, where the transmission belt 23 may also use a transmission chain as a transmission member between the driving wheel 21 and the driven wheel 22.
In addition, be provided with on the inside wall of elevator operation well 1 and be used for the installation the base 211 of action wheel 21, base 211 is including being used for placing the holding chamber 212 of action wheel 21, being used for fixed mounting the mounting panel 213 of base 211, mounting panel 213 symmetry sets up the both sides in holding chamber 212, base 211 is provided with one side of mounting panel 213 is provided with the opening. In the present embodiment, a driven wheel bracket 221 is provided corresponding to the driven wheel 22, and the driven wheel bracket 221 is provided on the guide rail 11.
The operation portion includes hand wheel 3 and hand wheel pivot 31 outside the hall, the one end of hand wheel pivot 31 is connected hand wheel 3 outside the hall, the other end of hand wheel pivot 31 is provided with drive bevel gear 311, correspond on the action wheel 21 drive bevel gear 311 is provided with driven bevel gear 312.
The secondary transmission device comprises a transmission rod 4 arranged corresponding to the elevator main machine 14 and a gear 5 arranged on a rotating shaft of the elevator main machine 14, one end of the transmission rod 4 is hinged on the rotating wheel, and further, the transmission rod 4 is hinged on the circumferential surface of the driven wheel 22; the other end of the transmission rod 4 is provided with a sliding mechanism for the transmission rod 4 to reciprocate along with the rotation of the driven wheel 22, and the transmission rod 4 is provided with a tooth-shaped structure 41 which can be meshed and connected with the gear 5.
The sliding mechanism comprises a sliding block 6 and a sliding block bracket 61 which are fixedly arranged on a guide rail 11 in an elevator running well 1, one end of the sliding block 6 is hinged on the sliding block bracket 61, and the other end of the sliding block 6 is connected with the transmission rod 4 in a sliding manner. The transmission rod 4 is provided with a groove 42 corresponding to the sliding block 6 for the sliding block 6 to slide, and the sliding block 6 is provided with a bulge 62 corresponding to the groove 42 and matched with the groove 42. Specifically, the opening length of the groove 42 is greater than the distance value of one rotation at the hinge point of the transmission rod 4 and the driven wheel 22. The sliding connection end of the transmission rod 4 is arranged above the gear 5, and the tooth-shaped structure 41 is arranged on one side of the transmission rod 4 facing the gear 5; the opening length value of the tooth-shaped structure 41 is larger than the distance value of one rotation at the hinged point of the transmission rod 4 and the driven wheel 22.
In order to facilitate the installation and use of the rescue device in the present scheme, it is preferable that the planes on which the wheel surfaces of the driving wheel 21, the driven wheel 22 and the gear 5 are located are set to be parallel to each other, and as a way of embodying the above, the wheel surfaces of the driving wheel 21, the driven wheel 22 and the gear 5 are all coplanar.
When the elevator is trapped, after the elevator is released manually or electrically, the hall hand wheel 3 is rotated to drive the driving wheel 21 and the driven wheel 22 to rotate, and when the hinged point of the driven wheel 22 and the transmission rod 4 rotates from the highest point to the lowest point, the tooth-shaped structure 41 on the transmission rod 4 and the gear 5 are gradually meshed from a completely disengaged state, so that the gear 5 is driven to rotate; when the hinge point of the driven wheel 22 and the transmission rod 4 rotates from the lowest point to the highest point, the transmission rod 4 and the gear 5 are gradually disengaged from the meshed state, and the transmission rod 4 and the gear 5 are completely separated. The driven wheel 22 makes the transmission rod 4 do reciprocating motion to drive the gear 5 to intermittently rotate, so that the traction sheave of the elevator main machine 14 intermittently rotates, and finally the up-and-down movement of the car 12 or the weight 13 is realized to achieve the rescue purpose; when the rescue is finished, the hand wheel 3 outside the hall is rotated, so that the tooth-shaped structure 41 is separated from the gear 5, and the normal operation of the elevator is not influenced.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.

Claims (8)

1. An elevator balance rescue device is characterized by comprising a primary transmission device and a secondary transmission device which are in transmission connection with each other;
the primary transmission device comprises a rotating wheel arranged in an elevator running shaft and an operation part used for controlling the rotating wheel to rotate, and the operation part is arranged outside the elevator running shaft;
the secondary transmission device comprises a transmission rod arranged corresponding to the elevator main machine and a gear arranged on a rotating shaft of the elevator main machine, one end of the transmission rod is hinged to the rotating wheel, the other end of the transmission rod is provided with a sliding mechanism for the transmission rod to reciprocate along with the rotation of the rotating wheel, and the transmission rod is provided with a tooth-shaped structure which can be meshed with the gear;
the sliding mechanism comprises a sliding block bracket fixedly arranged on a guide rail in an elevator running shaft and a sliding block, one end of the sliding block is hinged on the sliding block bracket, and the other end of the sliding block is connected with the transmission rod in a sliding manner; a groove for the sliding block to slide is formed in the transmission rod corresponding to the sliding block, and a bulge matched with the groove is formed in the sliding block corresponding to the groove;
when the hinge point of the rotating wheel and the transmission rod rotates from the lowest point to the highest point, the transmission rod and the gear are gradually disengaged from the meshing state, and the transmission rod and the gear are completely separated.
2. The elevator balance rescue apparatus according to claim 1, wherein the rotating wheels comprise a driving wheel and a driven wheel; the elevator is characterized in that the driving wheel is arranged on the inner side wall of the elevator running shaft, the driven wheel is arranged on a guide rail in the elevator running shaft, and a conveying belt or a conveying chain is arranged between the driving wheel and the driven wheel.
3. The elevator balance rescue device according to claim 2, wherein a base is arranged corresponding to the driving wheel, the base comprises an accommodating cavity for accommodating the driving wheel and a mounting plate for fixedly mounting the base, the mounting plate is symmetrically arranged on two sides of the accommodating cavity, and an opening is arranged on one side of the base, which is provided with the mounting plate.
4. The elevator balance rescue apparatus according to claim 1 or 2, wherein the plane of the wheel surface of the rotating wheel and the plane of the wheel surface of the gear are parallel or overlapped with each other.
5. The elevator balance rescue device according to claim 2, wherein the operation portion comprises an outside-hall hand wheel and a hand wheel rotating shaft, one end of the hand wheel rotating shaft is connected with the outside-hall hand wheel, the other end of the hand wheel rotating shaft is provided with a driving bevel gear, and the driving bevel gear is arranged on the driving wheel and corresponds to the driving bevel gear.
6. The elevator balance rescue apparatus according to claim 1, wherein the opening length of the groove is greater than the distance between the transmission rod and the rotating wheel at the hinge point of the transmission rod and the rotating wheel.
7. An elevator balance rescue apparatus as defined in claim 1 or 6, wherein the sliding connection end of the transmission rod is disposed above the gear wheel, and the tooth structure is disposed on a side of the transmission rod facing the gear wheel.
8. The elevator balance rescue apparatus according to claim 7, wherein the opening length of the tooth-shaped structure is greater than the distance between the transmission rod and the rotating wheel at the hinge point of the transmission rod and the rotating wheel.
CN201810953787.1A 2018-08-21 2018-08-21 Balanced rescue device of elevator Active CN108910647B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810953787.1A CN108910647B (en) 2018-08-21 2018-08-21 Balanced rescue device of elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810953787.1A CN108910647B (en) 2018-08-21 2018-08-21 Balanced rescue device of elevator

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CN108910647A CN108910647A (en) 2018-11-30
CN108910647B true CN108910647B (en) 2020-05-12

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Application Number Title Priority Date Filing Date
CN201810953787.1A Active CN108910647B (en) 2018-08-21 2018-08-21 Balanced rescue device of elevator

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5090529A (en) * 1990-05-16 1992-02-25 Ivg Australia Pty. Limited Brake mechanism
EP0947460A1 (en) * 1998-03-30 1999-10-06 Inventio Ag Emergency release apparatus
CN1876548A (en) * 2005-06-08 2006-12-13 上海三菱电梯有限公司 Elevator device without equipment room
CN202687711U (en) * 2012-06-29 2013-01-23 林澄海 Elevator device
CN105016162B (en) * 2014-04-30 2017-06-30 日立电梯（中国）有限公司 A kind of lift rescue device

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