CN105392728B - Lift appliance - Google Patents
Lift appliance Download PDFInfo
- Publication number
- CN105392728B CN105392728B CN201380078297.7A CN201380078297A CN105392728B CN 105392728 B CN105392728 B CN 105392728B CN 201380078297 A CN201380078297 A CN 201380078297A CN 105392728 B CN105392728 B CN 105392728B
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- CN
- China
- Prior art keywords
- tension force
- component
- friction element
- hawser
- tension
- 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.)
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Classifications
-
- 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
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
-
- 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
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The present invention provide can while suppressing to enable the function of tension weight to lose, damage due to the flexible of hawser in brake hard when suppression tension weight spring lift appliance, including：The lifting body (3,4) for being suspended in midair by main push-towing rope rope (1) and being lifted in lift path (2)；Speed regulator hawser (11)；Tension force with tension weight (12) applies component (21)；Union body (13)；And emergency braking apparatus (22), hang over to speed regulator hawser (11) endless between the tension pulley block (10) that governor sheave (9) and tension force apply included by component (21), the lift appliance (100) includes：Apply the guide rail (14) that the movement of the above-below direction of component (21) is guided to tension force；And the friction element (16) of guide rail (14) is slidably mounted on, tension force applies component (21) and linked with friction element (16).
Description
Technical field
The present invention relates to lift appliance.
Background technology
Lift appliance is generally comprised to be monitored and enters defined hypervelocity shape in car always to the lifting speed of car
Make the speed regulator of car emergent stopping during state.Specifically, speed regulator exceedes normal speed in the lifting speed of car and reached
During the first hypervelocity (being usually 1.3 times or so of normal speed), the power supply and control for being each turned off driving the hoist engine of car should
The power supply of the control device of hoist engine.In addition, speed regulator is causing the decrease speed of car more than the first surpassing for some reason
Speed and when reaching the second hypervelocity 1.4 times or so of normal speed (be usually), carry out the emergency braking device for being arranged at car
Action, makes car emergent stopping from machinery.
Moreover, as the background technology of this speed regulator, there is Japanese Patent Laid-Open 2001-19312 publication (patent documents
1).Having been recorded in the publication has：The lower end of the speed regulator hawser of above-below direction configuration along lift path is wound
Pulley；The movable link rotatably installed with the pulley；It is arranged at the tension weight of the free end of the movable link
(tension weight)；And support, the support is via guide rail clamping plate installed in the guide rail for standing up lift path
Bottom, and rotatably e axle supporting movable link.
Prior art literature
Patent document
Patent document 1：Japanese Patent Laid-Open 2001-19312 publications
The content of the invention
The technical problems to be solved by the invention
In speed regulator, for some reason, acted by brake for making to be installed on hoist engine etc., make promptly to stop
Locking apparatus is acted, and buffer is collided, so that car brake hard.Now, link via union body and car
Cage side speed regulator hawser and the deceleration of car linkedly slowed down, but anti-cage side speed regulator hawser is held due to inertia
Continuous to rise, the tension weight thus suspended in midair in speed regulator hawser lower end is it some times happens that spring.However, in above-mentioned prior art
In, enough counter-measures are not carried out in the spring for the tension weight, if occurring larger spring, may result in speed governing
Device main body, speed regulator hawser, tension weight and the equipment near being arranged at are damaged.Particularly, in recent years, it is more in demand
High speed, the problem is more notable in high-lift lift appliance.
On the other hand, tension weight is limited in the vertical direction and is believed to due to all the year round in order to prevent above-mentioned spring
Speed regulator hawser stretching, seasonal humidity change caused by speed regulator hawser shrink so that the position of tension weight not with
With speed regulator hawser, so that the function of occurring tension weight is lost, damaged.
The present invention is completed according to above-mentioned actual conditions of the prior art, and its object is to there is provided can be in suppression
While system due to the flexible of hawser so that the function of tension weight is lost, damaged, tension weight is suppressed in brake hard
Spring lift appliance.
Technical teaching for solving the problem was
In order to achieve the above object, lift appliance involved in the present invention includes：Lifting body, the lifting body is hanged by main push-towing rope rope
Hang and lifted in lift path；Speed regulator hawser, the speed regulator hawser is accordingly driven with the lifting of the lifting body
It is dynamic；Tension force applies component, and the tension force, which applies component, has the tension weight for being used for applying tension force to the speed regulator hawser；Link
The lifting body and the speed regulator hawser are entered joining line by body, the union body；And emergency braking apparatus, if detecting described
Then the emergency braking apparatus applies the emergency brake lifting body hypervelocity to the lifting body, hangs over to the speed regulator hawser endless
The governor sheave that is configured above the lift path and below the lift path and it is configured at the speed regulator and slides
The tension force of the relative position of wheel applies between the tension pulley block included by component,
It is characterised in that it includes：Guide rail, the guide rail draws to the mobile of above-below direction that the tension force applies component
Lead；And friction element, the friction element is slidably mounted on the guide rail, and the tension force applies component and the friction is single
Member links.
Invention effect
According to the present invention, it is possible to provide can suppress due to the flexible of hawser so that the function forfeiture of tension weight, damage
Bad while, suppress the lift appliance of the spring of tension weight in brake hard.
Brief description of the drawings
Fig. 1 is the brief configuration figure of lift appliance.
Fig. 2 is the front view of the one embodiment for representing lift appliance involved in the present invention.
Fig. 3 is the enlarged drawing of friction element.
Fig. 4 is the front view for the other embodiment for representing lift appliance involved in the present invention.
Embodiment
Below, the embodiment of lift appliance involved in the present invention is illustrated based on accompanying drawing.
Embodiment 1
Lift appliance 100 in present embodiment as shown in figure 1, including：Car 3 and to pouring weight 4, the car 3 and counterweight
Block 4 is the lifting body for being suspended in midair by main push-towing rope rope 1 and being lifted in lift path 2；Hoist engine 5, the hoist engine 5 is configured at lift path
2 top and the brake including driving main push-towing rope rope 1；Beam pulley 6, the beam pulley 6 is configured at the vicinity of the hoist engine 5；Compensation
Hawser 7, the compensation hawser 7 links with car 3 and to the bottom of pouring weight 4；Compensating sheave 8, the compensating sheave 8 is configured at the compensation
The lower end of hawser 7；The governor sheave 9 of speed regulator, the governor sheave 9 of the speed regulator is configured at the top of lift path 2；
Tight pulley 10, the tension pulley block 10 is located at the lower section of lift path 2 and is configured at the relative position of governor sheave 9；Speed regulator
Hawser 11, hangs between governor sheave 9 and tension pulley block 10 to the endless of speed regulator hawser 11；Tension weight 12, this
Close-fitting weighs 12 and applies load to tension pulley block 10 to apply tension force to speed regulator hawser 11；Union body 13, the union body 13 will
Car 3 and speed regulator hawser 11 enter joining line；Emergency braking device 22, the emergency braking device 22 has reached rule according to car 3
The situation of fixed hypervelocity carries out brake hard to car 3；And buffer 15, the buffer 15, which reduces, to be impacted and stops car
Make it that the personnel in car in the case that car collides lift path bottom are also safe.In present embodiment
Tension pulley block 10 and tension weight 12 are arranged at tension force and apply component 21.Because speed regulator hawser 11 passes through union body 13 and car
3 link, therefore the lifting in present embodiment with the car 3 as lifting body is accordingly driven.In addition, the quilt of car 3
Car guide rail 25 is guided and lifted in lift path 2, and emergency braking device 22 catches guide rail 25 so that car 3 is tight in action
Anxious braking.
Moreover, in first embodiment, having carried out following improvement：It will not be caused due to the flexible of hawser to speed regulator hawser
The function that 11 tension force for applying tension force apply component 21 is lost, and by being acted brake etc., making emergent stopping
When device is acted, buffer is collided and causes 3 brake hard of car, suppress tension force and apply the generation bullet of component 21
Jump.Specifically, as shown in Fig. 2 including in the bottom of lift path 2：Guide rail 14, a pair of guide rails 14 stands up tension force and applied
Plus the left and right sides of component 21, and the movement that tension force applies component 21 is guided；Friction element 16, the friction element 16 is set
It is placed in tension force to apply between component 21 and guide rail 14, and the sliding contact of guide rail 14, and suppresses the spring that tension force applies component 21；Bar
17, the bar 17 is arranged at the top that tension force applies component 21；Support 18, the frame of support 18 is between friction element 16；Buffering elastic
Insert has bar 17 in spring 19, the buffer spring 19, and configures between tension force application component 21 and support 18；And supporting member
20, the supporting member 20 is located at the position higher than support 18 and is installed on bar 17.Thus, friction element 16 is respectively arranged in a pair
Guide rail 14.Moreover, tension force, which applies component 21, links the friction element 16 for being installed on a pair of guide rails 14 by support 18, via insert
Link in the bar 17 of support 18 with friction element 16.In addition, between buffer spring 19 and support 18, and in support 18 and supporting
Between component 20, defined space is provided with when usual respectively.
Friction element 16 is as shown in figure 3, with being rotatably supported in a pair of arm 16a of support 18, be inserted through a pair
The bar portion 16b on arm 16a top, for being exerted a force a pair of arm 16a with clamp rail 14 towards the direction of guide rail 14
Spring 16c and supported by arm 16a and slideably constituted with the boots portion 16d of the sliding contact of guide rail 14.
In the first embodiment, stretched with speed regulator hawser 11 all the year round and cause tension force apply component 21 little by little
In the case of moving downward, the gap between support 18 and support plate 20 can disappear, if tension force application component 21 is further
Move downward, then due to support plate 20, can make it that, via support 18, friction element 16 is slided by boots portion 16d along guide rail 14
Moved downward together with tension force application component 21 while dynamic.
On the other hand, in moisture larger season etc., hawser shrinks sometimes, is causing tension force with hawser contraction
Apply in the case that component 21 gradually moves upward, support 18 and be installed on tension force and apply set on the bar 17 of component 21 slow
The gap rushed between spring 19 can disappear, if tension force applies component 21 and further moved upward, by buffer spring 19, and
Via support 18, friction element 16 is moved upward.As noted previously, as speed regulator hawser 11 flexible and to friction element 16
Position be adjusted.
Thus, tension force applies in component 21 and friction element 16, when tension force applies component 21 in the range of predetermined distance
The locomotivity is not transmitted to friction element 16 when moving along the vertical direction, when tension force applies component 21 in rule mobile along the vertical direction
The locomotivity is transmitted when more than set a distance to friction element 16, friction element 16 is followed and moved while producing frictional force
It is dynamic.Thus, it is possible to ensure fully to prevent due to the flexible of hawser so that the state that the function of tension weight is lost.
On the other hand, on preventing that tension force application component 21 bounces during 3 brake hard of car, for some reason,
In 3 brake hard of car, the deceleration of the cage side speed regulator hawser linked via union body 13 and car 3 and car 3 is interlocked
Ground is slowed down, but the lasting rising due to inertia of anti-cage side speed regulator hawser, thus, in the suspention of the lower end of speed regulator hawser 11
Tension force apply component 21 can bounce.The tension force bounced applies component 21 by applying component 21 between the tension force
Buffer spring 19 between support 18 enters row buffering, and because buffer spring 19 is collided and upwardly-directed by larger
Power support 18 due to boots portion 16d and the sliding contact of guide rail 14 of friction element 16 so as to be slowed down using frictional resistance,
Then stop, so as to suppress to rise to more than assigned position.
Thus, according to present embodiment, according to first embodiment, will not be caused due to the flexible of hawser tension weight and
The function of friction element is lost, and by suppressing the spring that tension force applies component 21 in brake hard, so as to prevent
Speed regulator main body, speed regulator hawser, tension force, which apply component and is arranged at neighbouring equipment, to be damaged.
In addition, on bar 17, applying the position between component 21 in support 18 and tension force and being provided with buffer spring 19, therefore
The impact that component 21 can be applied in the tension force to being bounced transmits the power while entering row buffering to support 18, fails to utilize
The power that buffering is offset also can slowly be offset by the slip of friction element 16 and guide rail 14, therefore can be suppressed more well
Tension force applies the spring of component 21.
Embodiment 2
Here, the second embodiment of lift appliance involved in the present invention is illustrated based on Fig. 4.In addition, pair with it is upper
State identical part and add identical label.
The lift appliance of second embodiment is as shown in figure 4, the difference from above-mentioned first embodiment is, friction element 16
It is configured at the lower section that tension force applies component 21.That is, include in the bottom of lift path 2：Guide rail 24, the guide rail 24 is erect in couples
Set, and the movement that tension force applies component 21 is guided；Friction element 26, the friction element 26 is arranged at tension force and applies structure
Between part 21 and guide rail 24, and the sliding contact of guide rail 24, and suppress the spring that tension force applies component 21；Bar 27, the bar 27 is set
Apply the bottom of component 21 in tension force；Support 28, the frame of support 28 is between friction element 26；Buffer spring 29, the buffering elastic
Insert has bar 27 in spring 29, and configures between tension force application component 21 and support 28；And supporting member 30, the supporting member
30 are located at the position lower than support 28 and are installed on bar 27.
It is similar with above-mentioned first embodiment according to second embodiment, tension weight will not be caused due to the flexible of hawser
Function lose, and by brake hard suppress tension force apply component 21 spring, so as to prevent speed regulator master
Body, speed regulator hawser, tension force, which apply component and is arranged at neighbouring equipment, to be damaged.
In addition, having enumerated by union body 13 to link as the car 3 of lifting body and speed governing in above-described embodiment 1 and 2
The example of device hawser 11 is illustrated, but also can be to using this structure to pouring weight 4 as lifting body.
In addition, in present embodiment, as the structure for linking tension force application component 21 and friction element 16, having used support
18 and bar 17, but it is not limited merely to this.For example, can also use following structure：It is not provided with a pair of guide rails and only erects setting one
Root pole is as guide rail, to set the friction element with the sliding surface of the pole slideably cylinder type of sliding contact, by it
Apply component with tension force to link.
Label declaration
1 main push-towing rope rope
2 lift paths
3 cars
4 pairs of pouring weights
5 hoist engines
6 beam pulleys
7 compensation hawsers
8 compensating sheaves
9 governor sheaves
10 tension pulley blocks
11 speed regulator hawsers
12 tension weights
13 union bodies
14th, 24 guide rail
15 buffers
16th, 26 friction element
16a arms
16b bar portions
16c springs
16d boots portion
17th, 27 bar
18th, 28 support
19th, 29 buffer spring
20th, 30 supporting member
21 tension force apply component
22 emergency braking apparatus
25 car guide rails
100 lift appliances
Claims (3)
1. a kind of lift appliance, including：
Lifting body, the lifting body is suspended in midair by main push-towing rope rope and lifted in lift path；Speed regulator hawser, the speed regulator hawser and institute
The lifting for stating lifting body is accordingly driven；Tension force applies component, and the tension force, which applies component, to be had for the speed governing
Device hawser applies the tension weight of tension force；The lifting body and the speed regulator hawser are entered joining line by union body, the union body；
And emergency braking apparatus, the emergency braking apparatus applies urgent system to the lifting body if the lifting body hypervelocity is detected
It is dynamic, hang over to the speed regulator hawser endless governor sheave that is configured above the lift path and positioned at the lifting
Below path and be configured at the governor sheave relative position the tension force apply tension pulley block included by component it
Between, it is characterised in that
Including：Guide rail, the movement that the guide rail applies the above-below direction of component to the tension force is guided；And friction element,
The friction element is slidably mounted on the guide rail, and the tension force applies component and linked with the friction element,
Apply component and the friction element for the tension force, when the tension force applies component edge in the range of predetermined distance
Above-below direction does not transmit locomotivity when moving to the friction element, when the tension force applies component regulation mobile along the vertical direction
Locomotivity is transmitted during apart from the above to the friction element, the friction element is followed and moved while producing frictional force
It is dynamic.
2. lift appliance as claimed in claim 1, it is characterised in that guide rail described in a pair stands up the tension force and applied
The left and right sides of component, the friction element is respectively arranged in guide rail described in a pair, and the tension force applies component and connected by support
Knot is installed on the friction element of guide rail described in a pair, is connected via the bar for being inserted through the support with the friction element
Knot.
3. lift appliance as claimed in claim 2, it is characterised in that on the bar, is applied in the support and the tension force
Plus the position between component is provided with buffer spring.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2013/070963 WO2015015632A1 (en) | 2013-08-02 | 2013-08-02 | Elevator device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105392728A CN105392728A (en) | 2016-03-09 |
| CN105392728B true CN105392728B (en) | 2017-11-07 |
Family
ID=52431204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380078297.7A Active CN105392728B (en) | 2013-08-02 | 2013-08-02 | Lift appliance |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6147858B2 (en) |
| CN (1) | CN105392728B (en) |
| WO (1) | WO2015015632A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6368689B2 (en) * | 2015-06-29 | 2018-08-01 | 株式会社日立製作所 | Tie-down device and elevator equipped with tie-down device |
| JP6476142B2 (en) * | 2016-01-22 | 2019-02-27 | 株式会社日立製作所 | Tie-down device, elevator equipped with tie-down device, and return method of tie-down device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101100259A (en) * | 2006-07-05 | 2008-01-09 | 东芝电梯株式会社 | Tensioner for elevator overspeed preventer device |
| CN102548887A (en) * | 2009-10-08 | 2012-07-04 | 三菱电机株式会社 | Tension pulley device for elevator |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59128182A (en) * | 1983-01-14 | 1984-07-24 | 株式会社東芝 | Vibration damper for elevator governor |
| JP2000344440A (en) * | 1999-06-04 | 2000-12-12 | Hitachi Building Systems Co Ltd | Method of operation for hanging main rope of 2:1 roping elevator and main rope guide device therefor |
| JP2001019312A (en) * | 1999-07-06 | 2001-01-23 | Hitachi Building Systems Co Ltd | Tension weight adjusting device for elevator speed governor |
-
2013
- 2013-08-02 JP JP2015529301A patent/JP6147858B2/en active Active
- 2013-08-02 WO PCT/JP2013/070963 patent/WO2015015632A1/en active Application Filing
- 2013-08-02 CN CN201380078297.7A patent/CN105392728B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101100259A (en) * | 2006-07-05 | 2008-01-09 | 东芝电梯株式会社 | Tensioner for elevator overspeed preventer device |
| CN102548887A (en) * | 2009-10-08 | 2012-07-04 | 三菱电机株式会社 | Tension pulley device for elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105392728A (en) | 2016-03-09 |
| WO2015015632A1 (en) | 2015-02-05 |
| JP6147858B2 (en) | 2017-06-14 |
| JPWO2015015632A1 (en) | 2017-03-02 |
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