CN205998810U - A kind of elevator that can detect traction foot wheel abrasion - Google Patents
A kind of elevator that can detect traction foot wheel abrasion Download PDFInfo
- Publication number
- CN205998810U CN205998810U CN201621005225.7U CN201621005225U CN205998810U CN 205998810 U CN205998810 U CN 205998810U CN 201621005225 U CN201621005225 U CN 201621005225U CN 205998810 U CN205998810 U CN 205998810U
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- traction
- elevator
- sheave
- main control
- control board
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Abstract
The utility model discloses a kind of elevator that can detect traction foot wheel abrasion, including elevator hoistways, car and counterweight, hoist ropes winds on the traction sheave, lift car is provided with the limiter of speed coordinated with cage guide, the elevator also includes elevator main control board, and elevator main control board is connected with traction machine by frequency converter, and the elevator also includes traction machine encoder and limiter of speed encoder, traction machine encoder is connected with frequency converter, and limiter of speed encoder is connected with elevator main control board；Elevator main control board calculates the real radius of traction sheave to judge the abrasion condition of traction sheave according to the anglec of rotation of the anglec of rotation of governor sheave, the radius of governor sheave and traction sheave.The elevator can pass through the real radius of the radius calculation traction sheave for gathering the rotation amount of governor sheave and the rotation amount of traction machine and combining governor sheave, thus the wear extent of traction sheave can be judged according to the contrast of traction sheave real radius and original radius, realize the automatic detection to traction foot wheel abrasion, simple and convenient, efficiency high.
Description
Technical field
The utility model is related to elevator safety control technology field, especially a kind of elevator that can detect traction foot wheel abrasion.
Background technology
Used as main vertical transport instrument in building, its primary structure is car with counterweight by traction steel to elevator
The connection of cord, drives traction steel-cable by traction machine to control the operation of elevator.Traction steel-cable winds on the traction sheave, and one
End hangs car, and one end hangs counterweight, drives sedan-chair by the friction produces driving force between traction steel-cable and traction race
Railway carriage or compartment moves up and down.Traction wheel groove shape is nicked semicircle groove shape, with the rotation of traction sheave, using steel wire rope to wheel
The frictional force drives elevator operation that relative motion between the pressure of groove and steel wire rope and race is produced.
With the increase of traction race service life, the race of traction sheave occurs abrasion, with the increase of wear extent, restricts
Groove shape changes, and causes the frictional force between traction steel-cable and grooving to reduce, and car slipping, the car surprisingly thing such as certain occurs
Therefore.According to related request, when the race of traction sheave wears up to certain limit, need to place under repair traction sheave in time or more
Change, such as keep in repair not in time or change and will impact to elevator safety operation and to personal safety.But existing elevator safety control
Lack effective detection means in system, it is impossible in time detection, the race wear condition of discovery traction sheave, be typically only capable to elevator
The wear condition of manual measurement traction sheave during periodic inspection.
Utility model content
The utility model provides a kind of elevator that can detect traction foot wheel abrasion, can not detect for solving existing elevator
The problem of traction foot wheel abrasion.
In order to solve the above problems, the utility model provides a kind of elevator that can detect traction foot wheel abrasion, including elevator
Road, is provided with lift car in elevator hoistways, and the lift car is connected with counterweight by hoist ropes, and the hoist ropes is wrapped in and drags
On running wheel, the lift car is provided with the limiter of speed coordinated with cage guide, and the limiter of speed is by speed limit rope and limiter of speed
Rope sheave connects, and the elevator also includes elevator main control board, and the elevator main control board is connected with traction machine by frequency converter, described drags
Draw in the rotating shaft of machine and the traction sheave is fixed with, the elevator also includes to encode for gathering the traction machine of the traction sheave anglec of rotation
Device and the limiter of speed encoder for gathering the elevator governor rope sheave anglec of rotation, the traction machine encoder and the frequency converter
It is connected and the traction sheave anglec of rotation of collection is passed to the elevator main control board, the limiter of speed coding by the frequency converter
Device is connected with the elevator main control board；The elevator main control board according to the anglec of rotation of governor sheave, governor sheave half
The anglec of rotation of footpath and traction sheave calculates the real radius of traction sheave to judge the abrasion condition of traction sheave.
The elevator that can detect traction foot wheel abrasion that the utility model is provided also has following technical characteristic：
Further, the elevator main control board is also associated with the hot-wire coil of traction machine relay, the traction machine normal
Open contact to be serially connected in the frequency converter and the supply line of the traction machine.
The utility model has the advantages that：Traction steel-cable and speed limit rope are each attached on lift car, traction
Steel wire rope is identical with the amount of movement of speed limit rope, because the speed limit rope load very little of limiter of speed, the abrasion of governor sheave can be neglected
Slightly；The elevator is respectively used to the traction machine encoder for gathering traction sheave rotation amount and collection governor sheave rotation amount by arranging
Limiter of speed encoder, can be by gathering the rotation amount of the rotation amount of governor sheave and traction machine and with reference to governor sheave
The real radius of radius calculation traction sheave, thus can judge traction sheave according to the contrast of traction sheave real radius and original radius
Wear extent, realizes the automatic detection to traction foot wheel abrasion, simple and convenient, efficiency high.
Description of the drawings
Fig. 1 is the structural representation of the elevator that can detect traction foot wheel abrasion of the utility model embodiment；
Fig. 2 is the schematic block circuit diagram of the elevator that can detect traction foot wheel abrasion of the utility model embodiment；
Fig. 3 is the electrical block diagram of the elevator that can detect traction foot wheel abrasion of the utility model embodiment.
Specific embodiment
Below with reference to accompanying drawing and in conjunction with the embodiments describing the utility model in detail.It should be noted that not rushing
In the case of prominent, the embodiment in the utility model and the feature in embodiment can be mutually combined.
In one embodiment of the elevator that can detect traction foot wheel abrasion of the present utility model as shown in Figure 1 to Figure 3, the energy
The elevator of detection traction foot wheel abrasion includes elevator hoistways, is provided with lift car 51 in elevator hoistways, and lift car 51 passes through traction
Rope 52 is connected with counterweight 53, and hoist ropes 52 is wrapped on traction sheave 54, and lift car 51 is provided with the limit coordinated with cage guide
Fast device, the limiter of speed are connected with governor sheave 56 by speed limit rope 55, and the elevator also includes elevator main control board 10, elevator master
Control plate 10 is connected with traction machine 30 by frequency converter 20, is fixed with traction sheave 54 in the rotating shaft of traction machine 30, and the elevator also includes
For gathering the traction machine encoder 41 of 54 anglec of rotation of traction sheave and for gathering 56 anglec of rotation of elevator governor rope sheave
Limiter of speed encoder 42, traction machine encoder 41 are connected with frequency converter 30 and by 54 anglec of rotation of traction sheave of collection by frequency conversion
Device 30 passes to elevator main control board 10, and limiter of speed encoder 42 is connected with elevator main control board 10；Elevator main control board 10 is according to speed limit
The rotation amount of the rotation amount of device rope sheave, the radius of governor sheave and traction sheave calculates the real radius of traction sheave to judge traction
The abrasion condition of wheel.Specifically, traction steel-cable and speed limit rope are each attached on lift car, traction steel-cable and speed limit rope
Amount of movement identical because the speed limit rope load very little of limiter of speed, the abrasion of governor sheave can ignore；The elevator is by setting
The limiter of speed encoder of the traction machine encoder and collection governor sheave rotation amount for being respectively used to gather traction sheave rotation amount is put,
Can be by gathering the rotation amount of governor sheave and the rotation amount of traction machine the radius calculation traction sheave with reference to governor sheave
Real radius, thus can judge the wear extent of traction sheave according to the contrast of traction sheave real radius and original radius, it is right to realize
The automatic detection of traction foot wheel abrasion, simple and convenient, efficiency high.
In the above-described embodiments, this can detect that the elevator of traction foot wheel abrasion also has following technical characteristic：Elevator main control board
10 hot-wire coils for being also associated with traction machine relay K1, the normally opened contact of traction machine relay K1 are serially connected in frequency converter 20 and drag
Draw in the supply line of machine 30.Specifically, the elevator traction sheave wear detector in above-described embodiment, when elevator is normal
Under pattern and when being in idle condition, elevator enters traction sheave wire casing wear testing pattern, and elevator main control board 10 passes through port
The V1+ signal of J3.3 output public port J3.4, traction machine relay K1 energized action, 20 output end U, V of frequency converter, W pass through
The normally opened contact closure of traction machine relay K1 causes traction machine conducting, and traction machine obtains electric operation.When traction machine runs, traction machine
, to frequency converter 20, frequency converter 20 is by port J1.1 to port J1.6 terminal reception traction machine for 41 action of encoder output umber of pulse
Signal is transmitted to elevator main control board 10, electricity by port J2.2 to port J2.5 terminal by the signal of encoder 41 through processing
Terraced master control borad 10 receives pulse signal A+, B+, A-, B- that frequency converter 20 is divided by port；Sedan-chair is driven as traction machine runs
The operation in railway carriage or compartment, therefore limiter of speed also begins to operation, traction machine traction steel-cable hauls car movement, and speed limiter wire rope and car
Rigid connection is moved with car, the amount of movement of traction steel-cable with the amount of movement of speed limiter wire rope be consistent, thus
The umber of pulse gathered by encoder can install the rotational angle of wheel with calculation code device, can be entered by radius of the angle with wheel
The calculating of row traction sheave wear extent.
The wear extent computing formula of traction sheave is：
Rm = R-Φx*Rx/Φ；
Wherein, Rm refers to the wear extent of traction sheave radius, and R refers to the original radius of traction sheave, and Φ refers to the rotation of traction sheave
Turn amount, Φ x refers to the rotation amount of governor sheave, and Rx refers to the radius of governor sheave.
Finally it should be noted that：Above example only in order to the technical solution of the utility model to be described, rather than a limitation；
Although being described in detail to the utility model with reference to the foregoing embodiments, it will be understood by those within the art that：
Which still can be modified to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, do not make the essence of appropriate technical solution depart from each embodiment technology of the utility model
The spirit and scope of scheme.
Claims (2)
1. a kind of elevator that can detect traction foot wheel abrasion, including elevator hoistways, is provided with lift car in elevator hoistways, the elevator
Car is connected with counterweight by hoist ropes, and the hoist ropes winds on the traction sheave, it is characterised in that set on the lift car
There is the limiter of speed coordinated with cage guide, the limiter of speed is connected with governor sheave by speed limit rope, and the elevator also includes
Elevator main control board, the elevator main control board are connected with traction machine by frequency converter, are fixed with described in the rotating shaft of the traction machine
Traction sheave, the elevator are also included for gathering the traction machine encoder of the traction sheave anglec of rotation and for gathering elevator governor
The limiter of speed encoder of the rope sheave anglec of rotation, the traction machine encoder are connected with the frequency converter and the traction sheave rotation by collection
Gyration passes to the elevator main control board, the limiter of speed encoder and the elevator main control board phase by the frequency converter
Even；The elevator main control board is according to the anglec of rotation of the anglec of rotation of governor sheave, the radius of governor sheave and traction sheave
The real radius of traction sheave is calculated to judge the abrasion condition of traction sheave.
2. the elevator that traction foot wheel abrasion can be detected according to claim 1, it is characterised in that the elevator main control board also connects
The hot-wire coil of traction machine relay is connected to, the normally opened contact of the traction machine is serially connected in the frequency converter with the traction machine
In supply line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621005225.7U CN205998810U (en) | 2016-08-30 | 2016-08-30 | A kind of elevator that can detect traction foot wheel abrasion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621005225.7U CN205998810U (en) | 2016-08-30 | 2016-08-30 | A kind of elevator that can detect traction foot wheel abrasion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205998810U true CN205998810U (en) | 2017-03-08 |
Family
ID=58196425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621005225.7U Expired - Fee Related CN205998810U (en) | 2016-08-30 | 2016-08-30 | A kind of elevator that can detect traction foot wheel abrasion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205998810U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107352353A (en) * | 2017-08-15 | 2017-11-17 | 日立电梯（中国）有限公司 | Elevator rope pulley sliding frictional wear life-span test system and its method of testing |
| CN112173912A (en) * | 2020-11-12 | 2021-01-05 | 山东科技大学 | Elevator brake wheel wear degree monitoring system |
| CN113109065A (en) * | 2021-03-15 | 2021-07-13 | 日立电梯电机（广州）有限公司 | Static load test bed and test method |
-
2016
- 2016-08-30 CN CN201621005225.7U patent/CN205998810U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107352353A (en) * | 2017-08-15 | 2017-11-17 | 日立电梯（中国）有限公司 | Elevator rope pulley sliding frictional wear life-span test system and its method of testing |
| CN107352353B (en) * | 2017-08-15 | 2019-05-03 | 日立电梯（中国）有限公司 | Elevator rope pulley sliding frictional wear life-span test system and its test method |
| CN112173912A (en) * | 2020-11-12 | 2021-01-05 | 山东科技大学 | Elevator brake wheel wear degree monitoring system |
| CN112173912B (en) * | 2020-11-12 | 2024-05-24 | 山东科技大学 | Elevator brake wheel wear degree monitoring system |
| CN113109065A (en) * | 2021-03-15 | 2021-07-13 | 日立电梯电机（广州）有限公司 | Static load test bed and test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 Termination date: 20180830 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |