CN2378735Y - Portable elevator speed limiter tester - Google Patents
Portable elevator speed limiter tester Download PDFInfo
- Publication number
- CN2378735Y CN2378735Y CN 98251026 CN98251026U CN2378735Y CN 2378735 Y CN2378735 Y CN 2378735Y CN 98251026 CN98251026 CN 98251026 CN 98251026 U CN98251026 U CN 98251026U CN 2378735 Y CN2378735 Y CN 2378735Y
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- pedestal
- speed
- utility
- constitute
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a portable elevator speed limiter tester which is used for the test of the installation site of an elevator. The technical proposal of the utility model comprises a photoelectric sensing device which comprises a speed-detecting rotating shaft, the shaft body of the speed-detecting rotating shaft is installed and supported on a pedestal, a pedestal cover is arranged on the pedestal, and an optical coded disc is arranged at one end of the rotating shaft; the disc edge of the optical coded disc is positioned at a groove of a photoelectric element, and the photoelectric element is arranged at the side of the optical coded disc; a permanent magnet is arranged at the suspension extending end of the rotating shaft, the photoelectric element is connected with a socket by a conducting wire and is utilized to cause an electric signal to be output to a microprocessor; thus, the working speed of the speed limiter can be received by the sensing device. The utility model has the advantages of simple structure, light weight and convenient carryover; thus, the utility model is favorable to the site measurement of the elevator.
Description
The utility model discloses a kind of testing tool that is used to test the responsiveness of elevator governor.
At present, the limiter of speed tester of selling on the home market, representative has two kinds, two kinds of the XC-I that XD-1 that promptly national elevator quality supervision test center develops and Hefei Institute Of Intelligent Machines Chinese Academy Of Sciences produce.Be characterized in all having the motor-driven governing system, under lower servo acceleration, measure the responsiveness of limiter of speed.The former is a kind of fixed equipment, and the checking table that it is suitable for limiter of speed manufacturer uses; Though the latter is portable, but test at the scene that elevator use to be installed, but complete machine weight reaches about 15Kg, and driving mechanism is also heavier, and on-the-spot supporting difficulty, especially armrest are held up rubber wheel friction-driven limiter of speed, and it is abutted against, and friction force stability is difficult to be grasped.In a word, the friction drive devices of these two kinds band bunchers, complex structure, heaviness and friction stability are difficult to be grasped, and must will influence measuring accuracy, and inconvenience is carried and used.
The purpose of this utility model is to provide a kind of tester of the on-the-spot test elevator governor that is easy to carry, and nationality magnetic assist power is adsorbed to improve the stability of friction gearing, improves the accuracy of measurement.
For achieving the above object, the technical solution adopted in the utility model is: the portable elevator speed limiter tester, it is characterized in that: sensing device comprises the rotating shaft of testing the speed, its axle body mounting support is on pedestal, pedestal is provided with flap, one end of rotating shaft is provided with optical code disk, the dish edge of optical code disk is positioned at the groove of the photoelectric device of its side setting, optical code disk, photoelectric device is positioned at the chamber that pedestal and flap surround, the projecting end that is positioned at the rotating shaft of above-mentioned chamber outside is provided with permanent magnet, and photoelectric device is connected to socket and is exported electric signal to microprocessor by lead and calculates, handle.
As shown from the above technical solution, core content of the present utility model is to design a quick photoelectric velocity measurement sensing device that relies on magnetic force self-stabilization friction gearing power, abandoned the electric machine speed regulation drive unit of complicated heaviness, adopt a traction rope, the manpower traction drives limiter of speed, mode is simple and easy to do, and the pulling traction rope manpower drives limiter of speed; Governor sheave will produce bigger transient acceleration; Pick up the critical data of this measurement elevator operation of governor tripping speed by the photoelectric velocity measurement sensing device, and pass judgment on the performance of limiter of speed in view of the above, to guarantee that elevator safety moves reliably, moreover, the utility model is simple in structure, in light weight, can be convenient for carrying, help the in-site measurement of elevator.
Description of drawings
Fig. 1 is the structural representation of sensing device;
Fig. 2 is the utility model user mode preparation figure;
Fig. 3 is the electrical schematic diagram of microprocessor.
Embodiment
Accurately measuring this important parameter of governor tripping speed, is vital to the safe operation of guaranteeing elevator, and sensing device then is a core technology content of the present utility model.The concrete structure of sensing device as shown in Figure 1; The axle body of rotating shaft 30 is equipped with socket 90 by bearing 40 supportings that are provided with on the inside and outside two sides of pedestal 10 on the flap 20, lead 80 links to each other photoelectric device 60 with socket 90, and the electric signal of being exported by socket 90 is through transfer wire 110 input microprocessors 100, referring to Fig. 2.One end of rotating shaft 30 is provided with optical code disk 50, and the dish edge hanging shape of optical code disk 50 is positioned at groove 61 places of photoelectric device 60, optical code disk 50; Photoelectric device 60 is positioned at the space that pedestal 10 and flap 20 surround, the projecting end termination that is positioned at the rotating shaft 30 of outside, above-mentioned space is provided with axial counterbore, inlay two block permanent magnets 31 in the counterbore, be provided with nonferromagnetic pad 32 between the permanent magnet 31, permanent magnet 31, pad 32 is the roundlet plate-like, is fixed in 502 glue in the counterbore of rotating shaft 30 axle heads.The photoelectric velocity measurement sensing device that is made of such scheme is to rely on magnetic force self-stabilization friction gearing power, picks up elevator governor wheel disc velocity information by sensing device and is admitted to microprocessor, carries out timing, analyzing and processing, the output measurement result of prining at last.
The microprocessor circuit that is used to measure elevator governor speed is as shown in Figure 3: little processing comprises by GK-2, R
4, R
15And U
2:BForm the photoimpact detecting device, send into U after the shaping
1(CPU) INT
0Interrupt timing measuring; U
4, U
9, U
5, U
13And R
4, R
5～R
12Constitute one four font, position Strobe Controller, and light DISLPAY; U
1(CPU) P
2～6Port lines is through U
2A.D, U
7BWith U
12, U
3Form little beating (M250) control port; U
4, U
7CAnd U
5-X6Constitute one 1 * 7 Keyboard Control array; C
1, C
2C
3, C
4, R
1, R
2And S
1Form clock, reset circuit; HOL-SENSER and GK-1, R
3, R
13, U
7AConstitute mechanical action (limiter of speed) monitor and send into U
1R * D port; R
16With S
2Then constitute limiter of speed electric contact monitor and send into U
1The TXD port lines; U
2B5 ends are the standby port of tachometric survey.
The utility model adopts the manpower pulling traction rope to drive limiter of speed, and simple and easy to do, particular content is pressed into traction rope 130 in the race of limiter of speed 120 steel wires as shown in Figure 2 in advance; Then the rotating shaft 30 of testing the speed of the sensing device of magnetic force absorption self-stabilization friction gearing is adsorbed on the wheel rim of limiter of speed 120, after pressing the one-shot measurement key then, manpower pulling traction rope 130 drives limiter of speed 120 and quickens rotation again, until limiter of speed 120 actions (the stuck or mechanical run of wheel disc), measure and finish and demonstration, speed, the electric contact speed of output limiter of speed 120 actions of prining.
Adopt the utility model to measure, on the wheel disc of an all speed governer, speed is from 0.5,1.0 ... 5m/s changes, and its reading error is in 3～10cm/s, and measuring accuracy reaches 2～3%, and is respond well.
Claims (3)
1. portable elevator speed limiter tester, it is characterized in that: photoelectric sensing apparatus comprises the rotating shaft of testing the speed (30), its axle body mounting support is on pedestal (10), pedestal (10) is provided with flap (20), one end of rotating shaft (30) is provided with optical code disk (50), the dish edge hanging shape of optical code disk (50) is positioned at the groove (61) of photoelectric device (60) and locates, optical code disk (50), photoelectric device (60) is positioned at the chamber that pedestal (10) and flap (20) surround, the projecting end that is positioned at the rotating shaft (30) of above-mentioned chamber outside is provided with permanent magnet (31), and photoelectric device (60) exports electric signal to microprocessor through lead (80) and calculates, handle.
2. portable elevator speed limiter tester according to claim 1, it is characterized in that: rotating shaft (30) is positioned at the outside projecting end termination of pedestal (10) and is provided with axial counterbore, inlay two block permanent magnets (31) in the counterbore, be provided with nonferromagnetic pad (32) between the permanent magnet (31), the axle body of rotating shaft (30) is by bearing (40) supporting that is provided with on the inside and outside two side of pedestal (10), socket (90) is installed on the flap (20), lead (80) links to each other photoelectric device (60) with socket (90), by the electric signal input microprocessor of lead with socket (90) output.
3. portable elevator speed limiter tester according to claim 1 and 2 is characterized in that: little processing comprises by GK=2, R
4, R
15And U
2:BForm the photoimpact detecting device, send into U after the shaping
1(CPU) INT
0Interrupt timing measuring; U
4, U
9, U
5, U
13And R
4, R
5～R
12Constitute one four font, position Strobe Controller, and light DISPLAY; U
1(CPU) P
2-6Port lines is through U
2A.D, U
7BWith U
12, U
8Form little beating (M250) control port; U
4, U
7CAnd U
5-X8Constitute one 1 * 7 Keyboard Control array; C
1, C
2, C
3, C
4, R
1, R
2And S
1Form clock, reset circuit; HOL-SENSER and GK-1, R
8, R13, U
7AConstitute the mechanical action monitor and send into U
1R * D port; R
16With S
2Constitute limiter of speed electric contact monitor and send into U
1The TXD port lines; U
2B5 ends are the standby port of tachometric survey.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98251026 CN2378735Y (en) | 1998-12-17 | 1998-12-17 | Portable elevator speed limiter tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98251026 CN2378735Y (en) | 1998-12-17 | 1998-12-17 | Portable elevator speed limiter tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2378735Y true CN2378735Y (en) | 2000-05-17 |
Family
ID=33995295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98251026 Expired - Fee Related CN2378735Y (en) | 1998-12-17 | 1998-12-17 | Portable elevator speed limiter tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2378735Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101537954B (en) * | 2009-04-21 | 2011-06-22 | 抚顺市锅炉压力容器检验研究所 | Elevator speed limiter detector |
| CN104535092A (en) * | 2014-12-28 | 2015-04-22 | 浙江风尚科技有限公司 | Servo motor encoder and signal generating method |
| CN106241545A (en) * | 2016-07-29 | 2016-12-21 | 上海汉神机电股份有限公司 | Multifunctional lift limiter of speed automated watch-keeping facility |
| CN109678026A (en) * | 2019-01-30 | 2019-04-26 | 珠海市安粤科技有限公司 | A kind of elevator governor detection device and method |
-
1998
- 1998-12-17 CN CN 98251026 patent/CN2378735Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101537954B (en) * | 2009-04-21 | 2011-06-22 | 抚顺市锅炉压力容器检验研究所 | Elevator speed limiter detector |
| CN104535092A (en) * | 2014-12-28 | 2015-04-22 | 浙江风尚科技有限公司 | Servo motor encoder and signal generating method |
| CN106241545A (en) * | 2016-07-29 | 2016-12-21 | 上海汉神机电股份有限公司 | Multifunctional lift limiter of speed automated watch-keeping facility |
| CN109678026A (en) * | 2019-01-30 | 2019-04-26 | 珠海市安粤科技有限公司 | A kind of elevator governor detection device and method |
| CN109678026B (en) * | 2019-01-30 | 2023-09-05 | 珠海市安粤科技有限公司 | Elevator speed limiter detection device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |