CN110191854A - Lift appliance - Google Patents
Lift appliance Download PDFInfo
- Publication number
- CN110191854A CN110191854A CN201780083093.0A CN201780083093A CN110191854A CN 110191854 A CN110191854 A CN 110191854A CN 201780083093 A CN201780083093 A CN 201780083093A CN 110191854 A CN110191854 A CN 110191854A
- Authority
- CN
- China
- Prior art keywords
- carriage
- limit switch
- lift appliance
- lifting
- operating member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
-
- 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
- B66B5/08—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for preventing overwinding
- B66B5/10—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for preventing overwinding electrical
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The present invention provides a kind of lift appliance, the safety device that there are the size and weight in the lifting direction for inhibiting carriage to increase.Lift appliance of the invention is characterised by comprising: the limit switch (21) being set near the terminating layer up and down of lifting hoistway；With setting in carriage (1) for operating the operating member (24) of limit switch (21), lift appliance has the following structure: can be contacted by operating member (24) with limit switch (21), detect the case where carriage (1) has been more than common range of operation, make the movement stopping of traction machine so that the lifting of carriage (1) stops, operating member (24) is the component that the component parts (8a) of carriage (1) is utilized.
Description
Technical field
The present invention relates to a kind of lift appliances.
Background technique
In lift appliance, as a kind of safety device, it is provided with mechanical limit switch, being used to detect carriage is more than
The case where common range of operation of terminating layer.Such mechanical limit switch is set to the lower terminating layer of lifting hoistway
Nearby and near upper terminating layer.The mechanical limit switch has the following structure: in cage side, being provided with the liter with the carriage
The cam (cam) that direction is length direction drops, when carriage intrusion has been more than the region of common range of operation, the cam of carriage
It is contacted with the limit switch of lifting hoistway and becomes on state and correspondingly carriage is braked by brake apparatus, or
Person is by the power supply cutting etc. to main circuit of the power inverter supplied electric power to traction machine, so that carriage stops.
As the example for the lift appliance for being provided with mechanical limit switch, such as there is patent document 1.Patent document 1
Describe a kind of elevator characterized by comprising be set to the operating member of carriage body；It is set to the position detection of lifting hoistway
Switch, when above-mentioned carriage body, which is moved on carriage body, to take position by aforesaid operations operation of components；And control device, above-mentioned
Carriage body can be taken on above-mentioned carriage body after position moves, receive the signal from above-mentioned position detecting switch and can be into
Exercise the switching that mode and normal mode of operation are taken on the carriage body that above-mentioned carriage body stops.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 09-286575 bulletin
Summary of the invention
Technical problems to be solved by the inivention
However, being set to the cam of cage side in the lift appliance recorded in already described patent document 1, advance in carriage
More than need to make in the maximum distance that can also be moved after terminating layer limit switch action state continue, it is therefore desirable to grown
Degree size be set to it is bigger, will lead to weight increase, increased costs such problems.
In view of the above circumstances, the purpose of the present invention is to provide a kind of lift appliances, have the lifting side for inhibiting carriage
To size and weight increase safety device.
For solving the technological means of technical problem
In order to achieve the above objectives, lift appliance of the invention is characterised by comprising: being set to the upper and lower of lifting hoistway
Limit switch near terminating layer；With the operating member for being used to operate limit switch that carriage is arranged in, which has
Such as flowering structure: being contacted by operating member with limit switch, to detect the case where carriage has been more than common range of operation, make to drag
The movement for drawing machine stops so that the lifting of carriage stops, and operating member is the component that the component parts of carriage is utilized.
Invention effect
In accordance with the invention it is possible to provide a kind of lift appliance, there are the size and weight in the lifting direction for inhibiting carriage
The safety device of increase.
In addition, project other than the above, structure and effect, it can be definitely by the explanation of the following embodiments and the accompanying drawings.
Detailed description of the invention
Fig. 1 is the schematic diagram for indicating an example of lift appliance of the invention.
Fig. 2 is the carriage 1 for indicating Fig. 1 and its side view on periphery.
Fig. 3 is the carriage 1 for indicating Fig. 1 and its top view on periphery.
Specific embodiment
Hereinafter, referring to Fig.1~Fig. 3, is illustrated lift appliance of the invention.
Fig. 1 is the schematic diagram for indicating an example of lift appliance of the invention.As shown in Figure 1, lift appliance 100 of the invention
It include: the carriage 1 and counterweight 20 for being set to lifting hoistway 10；The hoist cable (main hoist cable) 16 that carriage 1 is connect with counterweight 20；With with
In the traction machine 4 of driving hoist cable 16.Lift appliance 100 shown in FIG. 1 is the lift appliance of mode of traction, has following knot
Structure: traction machine 4 carries out friction-driven to the hoist cable 16 (tractive force hoist cable) for being wound in rope sheave (driving traction sheave) 4a, utilizes pulley
12,25 make 20 oscilaltion of carriage 1 and counterweight.
Fig. 2 is the carriage 1 for indicating Fig. 1 and its side view on periphery, and Fig. 3 is the carriage 1 for indicating Fig. 1 and its vertical view on periphery
Figure.As shown in Figures 2 and 3, carriage body guide rail 2 for guiding carriage 1 is additionally provided with, for guiding counterweight in lifting hoistway 10
To reusing guide rail 3, control device 5, position detecting device 6 and governor 7.In addition, being provided with carriage body on the carriage body of carriage 1
Upper railing (handrail) 8.
Carriage body guide rail 2 is fixed on the wall surface of lifting hoistway 10 via guide rail bracket 11.Carriage 1 and carriage body guide rail 2 can be slided
Cooperate dynamicly, is guided with guide rail 2 and gone up and down in lifting hoistway 10 by carriage body.
To the wall surface for reusing guide rail 3 and being fixed on lifting hoistway 10, counterweight 20 (Fig. 2 and Fig. 3 in not shown) is led with to reuse
Rail 3 slidably engages, and is gone up and down in lifting hoistway 10 to the guidance of guide rail 3 is reused.In addition, by carriage 1 and 20 liters of counterweight
The direction of drop is as lifting direction.That is, guide rail 2,3 boots up carriage 1 and counterweight 20 in lifting side respectively.
About hoist cable 16, intermediate position wound on the carriage body lower sheave 12 being configured under carriage 1, and its end with set
Be placed in lifting 10 top of hoistway hoist cable end carriage port 13 link, hanging holding carriage 1.
The middle position of lifting hoistway 10 is arranged in traction machine 4, and the driving traction sheave 4a at it is wound with 1 He of hanging holding carriage
The hoist cable 16 of counterweight 20.The traction machine 4 drives traction sheave 4a rotation to carry out friction-driven to hoist cable 16 by making, and makes carriage 1
It is gone up and down with counterweight 20.
The middle position of lifting hoistway 10 is arranged in control device 5, generally controls the safety of traction machine 4, lift appliance
Device etc..
Position detecting device 6 includes: the shutter 14 for being set to position corresponding with lifting each floor of hoistway 10；And peace
Rangefinder (PosiTector) 15 that can be opposite with shutter 14 loaded on carriage 1 has and passes through shutter 14 and rangefinder
15 structures that are opposite and being able to detect the position of carriage 1.
Governor 7 detects the lifting speed of carriage 1, when carriage 1 is more than normal speed and reaches defined speed excessively, makes
1 emergent stopping of carriage.
Carriage body upper railing 8 is the fixed component being arranged along the periphery of the upper surface of carriage 1, is carried out in maintenance personnel
Ensure safe component when rided on the carriage body of carriage 1 when upkeep operation.Carriage body upper railing 8 includes in the lifting side of carriage 1
Multiple vertical frame 8a, 8b, 8c, 8d for upwardly extending and the horizontal frame 8e across multiple vertical frame 8a~8d settings.
Include: mechanical limit switch 21 as safety device in lift appliance 100 of the invention, detects carriage 1
The case where being more than the common range of operation of terminating layer；It is opened with (such as connection) limit that can operate for being set to carriage 1
Close 21 operating member 24.In Fig. 2 and Fig. 3, as limit switch, upper limit limit switch 21 is shown.Upper limit limit
Bit switch 21 is arranged near the upper terminating layer of lifting hoistway 10, supplies electric power as it is cut off by operation to traction machine 4
The power supply to main circuit of power inverter can make carriage 1 become the state that cannot run (rising).
Upper limit limit switch 21 is installed on one end of limit switch frame 22, and the other end benefit of limit switch frame 22
(co-fastening) is fastened together with guide rail bracket 11 and carriage body guide rail 2 and is fixed on the wall surface for going up and down hoistway 10.Though in addition,
It is so not shown, but it is similarly provided with lower extreme limit switch near the lower terminating layer of lifting hoistway 10, with its quilt
It operates and cutting off to the power supply of main circuit by the power inverter supplied electric power to traction machine 4.
In Fig. 2, as operating member 24 include: be set to can be opposite with upper limit limit switch 21 position
The vertical frame 8a of carriage body upper railing 8；With operation of cam 23 under the carriage body for the lower part for being set to carriage 1, being set to can be with lower part
Limit spacing switchs (not shown) opposite position.Vertical frame 8a, which has, does not have indent and convex flat table along the lifting direction of carriage 1
Face, so that upper limit limit switch 21 can slide when it is contacted with upper limit limit switch 21.
As described above, lift appliance 100 of the invention has the feature that as the operation for making limit spacing switch motion
Component utilizes the component parts (being carriage body upper railing in present embodiment) of carriage 1.By utilizing such structure, Neng Gouti
For a kind of lift appliance, there is the safety device of the size and weight increase in the lifting direction for inhibiting carriage.In addition, limit is opened
The shape of pass is not particularly limited, and can apply existing shape.
Then, the movement of upper limit limit switch 21 is illustrated.
As defined in carriage 1 is traveled beyond due to certain abnormal from the standard stop position of common range of operation, that is, top layer
Apart from when while rising (excessively), the vertical frame 8a of carriage body upper railing 8 contacted with upper limit limit switch 21 and as on state,
From upper limit limit switch 21 to 5 output switching signal of control device.The control device 5 for having received the output will be to traction machine
Cutting off to the power supply of main circuit for 4 power inverters supplied electric power, stops carriage 1.
From the vertical frame 8a of carriage body upper railing 8 is contacted with upper limit limit switch 21 become on state, Zhi Daoshi
Until carriage 1 stops on border, there are time lags.Therefore, indulge frame 8a contacted with upper limit limit switch 21 after carriage 1 still on
It rises, but upper limit limit switch 21 slides on the surface of vertical frame 8a during this, upper limit limit switch 21 is maintained
On state.
On the other hand, carriage 1 due to certain abnormal from most descend the standard stop position of rank be traveled beyond as defined in apart from when
(when excessive descent), operation of cam 23 contacts with lower extreme limit switch (not shown) and becomes on state under carriage body, from
Lower extreme limit switch is to 5 output switching signal of control device.The control device 5 for having received the output will supply traction machine 4
To electric power power inverter to the power supply of main circuit cut off, make carriage 1 stop.
Such as above-mentioned patent document 1, all the time, by the operating member contacted with upper limit limit switch and and lower part
The operating member of limit spacing switch contact makes integral component, is installed on carriage.This is because compared with by operating member
It is divided into two components, the mode for being fabricated to a component is advantageous in terms of production property and cost.
On the other hand, in the present embodiment, as described above, by component parts (the carriage body upper railing of maintenance of carriage 1
The component of 8 a part, i.e., vertical frame 8a) be used as the operating member of operation upper part limit spacing switch 21, thus without
The operating member of operation upper part limit spacing switch 21 need to be set, therefore, limited with setting as described in Patent Document 1 with upper limit
The operating member that the operating member of bit switch contact and the operating member contacted with lower extreme limit switch are formed as one
Situation is compared, and can reduce the weight of carriage.
In addition, as noted previously, as carriage 1 is persistently gone up and down after operating member and limit spacing switch contact, therefore herein
Period must make operating member and limit spacing switchs continuous contact, for ensuring when the vertical frame 8a of carriage body upper railing 8 is maintenance
The component with prespecified height dimension of safety, therefore with can also rise after carriage 1 is traveled beyond terminating layer
Maximum distance in enable upper limit limit switch 21 action state continue enough sizes.It is therefore not necessary to be arranged
The operating member also longer than vertical frame 8a, is able to suppress the additional size of carriage 1.That is, being able to suppress the ruler in the lifting direction of carriage 1
Very little increase.
The component parts of carriage 1 as the operating member for operating upper limit limit switch 21, in above-mentioned embodiment party
The vertical frame 8a of carriage body upper railing 8 has been used in formula, but not limited to this.It is contacted with limit spacing switch 21 and can as long as having
The component for the structure slided on the ascent direction of carriage 1.In addition, being not limited to grasp upper limit limit switch 21
Operation of cam 23 under the carriage body of Fig. 2 can also be used for the component parts of carriage 1 by the operating member of work.
More than, it according to lift appliance of the invention, shows following content: being capable of providing with the lifting side for inhibiting carriage
To size and weight increase safety device lift appliance.
Lift appliance of the invention is not limited to above-mentioned embodiment, sends out without departing from documented by the scope of the claims
There can be various modifications embodiment in the range of bright purport.
For example, in the above-described embodiment, the limit switch operated by the vertical frame 8a of carriage body upper railing 8 is only setting
Near the upper terminating layer of lifting hoistway 10, with by operation and by the power inverter that traction machine 4 is supplied electric power to
The upper limit limit switch 21 of the power supply cutting of main circuit, but the invention is not limited thereto, can also apply will be multiple
Limit switch is set to the mode near terminating layer.
That is, can constitute are as follows: lift appliance include limit switch and limit spacing switch, the limit switch carriage 1 from
Movement when the standard stop position of terminating layer has been traveled beyond predetermined distance, limit spacing switch are gone again outside the predetermined distance
Into be more than certain distance when movement, limit switch and limit spacing switch operated respectively by the vertical frame 8a of carriage body upper railing 8.
Additionally, this invention is not limited to the lift appliances of machine House-less type.The present invention is in the lift appliance with Machine Room
Structure is also identical, therefore same as the lift appliance of machine House-less type, can also apply to the lift appliance with Machine Room.
Description of symbols
1 ... carriage, 2 ... carriage body guide rails, 3 ... to guide rail, 4 ... traction machines is reused, and 4a ... rope sheave (drives
Traction sheave), 5 ... control devices, 6 ... position detecting devices, 7 ... governors, 8 ... carriage body upper railings, 8a, 8b, 8c,
8d ... indulges frame, the horizontal frame of 8e ..., 10 ... lifting hoistways, 11 ... guide rail brackets, 12 ... carriage body lower sheaves, 13 ... hoist cables
End carriage port, 14 ... shutters, 15 ... rangefinders, 16 ... hoist cables, 20 ... counterweights, the limit of 21 ... upper limits are opened
It closes, 22 ... limit switch framves, operation of cam under 23 ... carriage bodies, 24 ... operating members, 25 ... to reusing pulley,
100 ... lift appliances.
Claims (5)
1. a kind of lift appliance comprising: it is set to the carriage of lifting hoistway；Counterweight；It is reconnected with the carriage and described pair
Hoist cable；With for driving the traction machine of the hoist cable,
The lift appliance is characterised by comprising:
The limit switch being set near the terminating layer up and down of the lifting hoistway；Be arranged in the carriage for operating institute
The operating member of limit switch is stated,
The lift appliance has the following structure: can be contacted by the operating member with the limit switch, detect institute
The case where carriage has been more than common range of operation is stated, the movement of the traction machine is made to stop stopping the lifting of the carriage
Only,
The operating member is the component that the component parts of the carriage is utilized.
2. lift appliance as described in claim 1, it is characterised in that:
The component parts of the carriage is the carriage body upper railing for being set to the top of the carriage,
The carriage body upper railing has the multiple vertical frames upwardly extended in the lifting side of the carriage and sets across the multiple vertical frame
The horizontal frame set,
The vertical frame that the position opposite with the limit switch is configured in the multiple vertical frame constitutes the operating member.
3. lift appliance as claimed in claim 2, it is characterised in that:
The face of the vertical frame of the operating member contacted with the limit switch is constituted, the lifting direction along the carriage is
Flat.
4. lift appliance as claimed in claim 2, it is characterised in that:
The limit switch is the component being set near the upper terminating layer of the lifting hoistway.
5. lift appliance according to any one of claims 1 to 4, it is characterised in that:
The limit switch is to limit the limit of the power supply cutting to main circuit of power inverter with by operation
Bit switch, wherein the power inverter is for supplying electric power the traction machine.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2017/003316 WO2018142447A1 (en) | 2017-01-31 | 2017-01-31 | Elevator apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110191854A true CN110191854A (en) | 2019-08-30 |
| CN110191854B CN110191854B (en) | 2020-09-25 |
Family
ID=63040349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780083093.0A Active CN110191854B (en) | 2017-01-31 | 2017-01-31 | Elevator device |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN110191854B (en) |
| SG (1) | SG11201905983SA (en) |
| WO (1) | WO2018142447A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08324921A (en) * | 1995-06-06 | 1996-12-10 | Hitachi Building Syst Eng & Service Co Ltd | Safety device for elevator installing construction work |
| JP2002145545A (en) * | 2000-11-09 | 2002-05-22 | Mitsubishi Electric Corp | End safety device of elevator and maintenance of elevator by using the safety device |
| JP2006089196A (en) * | 2004-09-22 | 2006-04-06 | Toshiba Elevator Co Ltd | Safety device for elevator |
| CN202124382U (en) * | 2011-06-28 | 2012-01-25 | 苏州新达电扶梯部件有限公司 | Extreme limiting device |
| CN203048349U (en) * | 2012-12-31 | 2013-07-10 | 浙江虎霸建设机械有限公司 | Non-contact type top-bumping-proof safety protection device of building hoist |
| CN204847642U (en) * | 2015-08-03 | 2015-12-09 | 张言华 | Construction elevator stop device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3599754A (en) * | 1969-06-30 | 1971-08-17 | Westinghouse Electric Corp | Motor control system |
| JP2013010604A (en) * | 2011-06-29 | 2013-01-17 | Hitachi Ltd | Elevator apparatus |
-
2017
- 2017-01-31 SG SG11201905983SA patent/SG11201905983SA/en unknown
- 2017-01-31 WO PCT/JP2017/003316 patent/WO2018142447A1/en active Application Filing
- 2017-01-31 CN CN201780083093.0A patent/CN110191854B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08324921A (en) * | 1995-06-06 | 1996-12-10 | Hitachi Building Syst Eng & Service Co Ltd | Safety device for elevator installing construction work |
| JP2002145545A (en) * | 2000-11-09 | 2002-05-22 | Mitsubishi Electric Corp | End safety device of elevator and maintenance of elevator by using the safety device |
| JP2006089196A (en) * | 2004-09-22 | 2006-04-06 | Toshiba Elevator Co Ltd | Safety device for elevator |
| CN202124382U (en) * | 2011-06-28 | 2012-01-25 | 苏州新达电扶梯部件有限公司 | Extreme limiting device |
| CN203048349U (en) * | 2012-12-31 | 2013-07-10 | 浙江虎霸建设机械有限公司 | Non-contact type top-bumping-proof safety protection device of building hoist |
| CN204847642U (en) * | 2015-08-03 | 2015-12-09 | 张言华 | Construction elevator stop device |
Also Published As
| Publication number | Publication date |
|---|---|
| SG11201905983SA (en) | 2019-08-27 |
| CN110191854B (en) | 2020-09-25 |
| WO2018142447A1 (en) | 2018-08-09 |
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