CN2685306Y - Tower type crane monitoring instrument - Google Patents
Tower type crane monitoring instrument Download PDFInfo
- Publication number
- CN2685306Y CN2685306Y CN 200420030955 CN200420030955U CN2685306Y CN 2685306 Y CN2685306 Y CN 2685306Y CN 200420030955 CN200420030955 CN 200420030955 CN 200420030955 U CN200420030955 U CN 200420030955U CN 2685306 Y CN2685306 Y CN 2685306Y
- Authority
- CN
- China
- Prior art keywords
- resistance
- aerotron
- weight sensor
- capacitor
- link
- 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
Links
Images
Abstract
The utility model relates to a tower type crane monitor applied in building trades, which is composed of a weight sensor, a carriage range sensor, a hook height sensor, a microprocessor, a display, and a horn. The utility model is characterized in that a wire rope is pressed on four driven wheels A, B, C, D of the tower type crane hoisting machine, the iron core of the weight sensor is fixed to the wheel carrier of the driven wheel B, and the circuit board of the weight sensor is connected with the conducting wire and an energizing coil in the weight sensor casing. The 220V alternating current is transformed through coils L <1>, L <3>, is commutated through commutation bridges VD <1>-VD <4>, is filtered through electrolyzers E <1>, E <3>, is stabilized by voltage regulation diodes W <1>, W <2>, and is converted into the stable alternating current voltage of 6V and 1000HZ by an oscillator which is composed of triodes VT <1>, VT <2> to serve as the excitation voltage of the sensor. The utility model can measure the weight and the height of the hung article exactly, with the functions of voice prompting alarm and automatic stopping, which effectively prevents from wrong operation and accident, and ensures the safety in production.
Description
Technical field
The utility model belongs to the elevator machinery monitoring alarm, relates to the tower crane monitor of using in a kind of construction trade.
Background technology
At present, technique known does not also design or the device monitoring warning facility in the elevator machinery that construction trade is used, and crane operator is to carry out work with working experience with feeling.In practical operation, there is the factor of proofreading, repeat work repeatedly, lose time and exist the influence safety in production.
Summary of the invention
The purpose of this utility model is for overcoming the defective of above-mentioned existence, for the safety in production that ensures, save man-hour, provides a kind of effective measures tower crane monitor of elevator machinery safety precaution.
The utility model tower crane monitor content Description:
The utility model tower crane monitor, form by weight sensor, dolly rang sensor, height under hook sensor, microprocessor, telltale, loudspeaker, it is characterized in that: steel rope is pressed on A, B, C, the D wheel of 4 flower wheels on the tower crane crane, the iron core of weight sensor is fixed on the B wheel carrier of flower wheel, and the circuit card that weight sensor is set in the weight sensor shell is connected with lead, field winding;
The circuit of the circuit card of weight sensor is by coil L
1Be connected coil L with the 220V power supply
3With rectifier bridge VD
1-VD
4Ac input end connect rectifier bridge VD
1-VD
4Positive electricity output and resistance R
1, electrolysis E
1, anodal connect resistance R
1The other end and resistance R
2An end, zener diode W
1Anodal connection, resistance R
2The other end and zener diode W
2, electrolysis E
2The anodal connection, and then and resistance R
3, resistance R
4An end, field winding L
4Centre tap connect; Resistance R
3The other end be connected aerotron VT
2Base stage, be connected in capacitor C then
1An end, resistance R
4The other end be connected aerotron VT
1Base stage, be connected in capacitor C then
2An end, rectifier bridge VD
1-VD
4The negative pole of output connects electrolysis E
1Negative pole, zener diode W
1, W
2, electrolysis E
2Negative pole, aerotron VT
1, VT
2Emitter; Capacitor C
3An end be connected in aerotron VT
1Base electrode, the other end is connected in aerotron VT
2Base electrode, capacitor C
1The other end be connected in aerotron VT
1Base electrode, capacitor C
2The other end be connected in aerotron VT
2Base electrode, aerotron VT
1Base electrode be connected in field winding L
4An end, aerotron VT
2Base electrode be connected in field winding L
4The other end form: transformation, rectification, filtering, voltage stabilizing, oscillating circuit; Coil L
5An end and coil L
6Link to each other, again with variable resistance RP
1Two pin link to each other, coil L
5The other end and rectifier diode D
2Anodal continuous, rectifier diode D
2Negative pole and resistance R
6One end links to each other, again with capacitor C
4, resistance R
8An end link to each other; Coil L
6One end and rectifier diode D
1Anodal continuous, rectifier diode D
1Negative pole and resistance R
5, capacitor C
4, resistance R
7An end link to each other variable resistance RP
1A pin and resistance R
5Link to each other variable resistance RP
1Tripod and resistance R
6An end link to each other variable resistance RP
2A pin and resistance R
7An end link to each other variable resistance RP
2Tripod and resistance R
8An end link to each other, form phase-sensitive detection circuit, by variable resistance RP
2Two pin, rectifier diode D
2Negative pole is done voltage output, by U
DOutput is delivered to microprocessor by after computing, amplifying, and demonstrates the result by telltale.
The utility model tower crane monitor can accurately be measured the weight of the article that hang, highly, and can accurately measure the weight that every section stroke institute of dolly the subject of knowledge and the object of knowledge can be sling.To overweight voice prompt alarm and the automatic train stop of carrying out.Actv. has prevented the generation of operation error and accident, guarantees safe production.Have characteristics rational in infrastructure, that performance is safe and reliable, easy to install, cheap.
Description of drawings
Fig. 1 is a tower crane monitor structural representation
Fig. 2 is a tower crane monitor weight sensor circuit diagram
Fig. 3 is a tower crane monitor weight sensor work scheme drawing
The specific embodiment
Embodiment 1
The utility model tower crane monitor is to realize like this, specify below in conjunction with accompanying drawing, see Fig. 1, form by weight sensor 1, dolly rang sensor 2, height under hook sensor 3, microprocessor 4, telltale 5, loudspeaker 6, data are through microprocessor computing, amplification, show that by telltale when measurement of comparison exceeded rating number, electronic buzzer carried out voice prompt alarm and automatic train stop.
See Fig. 2, be the circuit diagram of weight sensor,
The 220V alternating current is by coil L
1, L
3Transformation, rectifier bridge VD
1-VD
4Rectification, electrolysis E
1, E
3Filtering, zener diode W
1, W
2Quilt is by aerotron VT after the voltage stabilizing
1, VT
2The oscillator of forming becomes 6V with the 220V alternating current, and the stable alternating-current voltage/AC voltage of 1000Hz is as the driving voltage of sensor.L
5, L
6, D
1, D
2, R
5, R
6, R
7, R
8, RP
1, RP
2C
4Form phase-sensitive detection circuit, by variable resistance RP
2Two pin, rectifier diode D
2Negative pole is done voltage output, by U
DOutput is delivered to microprocessor by after computing, amplifying, and demonstrates the result by telltale.
See Fig. 3 tower crane monitor weight sensor work scheme drawing, steel rope 7 is pressed on A, B, C, the D wheel of 4 flower wheels 8 on the tower crane crane, the iron core 9 of weight sensor is fixed on the B wheel carrier of flower wheel 8, and the circuit card 11 that weight sensor is set in weight sensor shell 10 is connected with lead 12, field winding 13.
Pass through the variation of steel rope 7 lower end weight weight during work, make the B wheel of flower wheel 8 move forward and backward the generation stroke, the B of flower wheel 8 wheel can horizontal displacement, drive iron core 9 parallel shifted of weight sensor, changed the output voltage of weight sensor, obtain different voltage at the weight sensor mouth, computing draws data through microprocessor then, demonstrates the weight of object by telltale.
Claims (2)
1, a kind of tower crane monitor, form by weight sensor (1), dolly rang sensor (2), height under hook sensor (3), microprocessor (4), telltale (5), loudspeaker (6), it is characterized in that: steel rope (7) is pressed on A, B, C, the D wheel of 4 flower wheels (8) on the tower crane crane, the iron core of weight sensor (9) is fixed on the B wheel carrier of flower wheel (8), the circuit card (11) of weight sensor is set in weight sensor shell (10), and circuit card (11) is connected with lead (12), field winding (13).
2, tower crane monitor according to claim 1 is characterized in that: the circuit of the circuit card of weight sensor (11) is by coil L
1Be connected coil L with the 220V power supply
3With rectifier bridge VD
1-VD
4Ac input end connect rectifier bridge VD
1-VD
4Positive electricity output and resistance R
1, electrolysis E
1, anodal connect resistance R
1The other end and resistance R
2An end, zener diode W
1Anodal connection, resistance R
2The other end and zener diode W
2, electrolysis E
2The anodal connection, and then and resistance R
3, resistance R
4An end, field winding L
4Centre tap connect; Resistance R
3The other end be connected aerotron VT
2Base stage, be connected in capacitor C then
1An end, resistance R
4The other end be connected aerotron VT
1Base stage, be connected in capacitor C then
2An end, rectifier bridge VD
1-VD
4The negative pole of output connects electrolysis E
1Negative pole, zener diode W
1, W
2, electrolysis E
2Negative pole, aerotron VT
1, VT
2Emitter; Capacitor C
3An end be connected in aerotron VT
1Base electrode, the other end is connected in aerotron VT
2Base electrode, capacitor C
1The other end be connected in aerotron VT
1Base electrode, capacitor C
2The other end be connected in aerotron VT
2Base electrode, aerotron VT
1Base electrode be connected in field winding L
4An end, aerotron VT
2Base electrode be connected in field winding L
4The other end form: transformation, rectification, filtering, voltage stabilizing, oscillating circuit; Coil L
5An end and coil L
6Link to each other, again with variable resistance RP
1Two pin link to each other, coil L
5The other end and rectifier diode D
2Anodal continuous, rectifier diode D
2Negative pole and resistance R
6One end links to each other, again with capacitor C
4, resistance R
8An end link to each other; Coil L
6One end and rectifier diode D
1Anodal continuous, rectifier diode D
1Negative pole and resistance R
5, capacitor C
4, resistance R
7An end link to each other variable resistance RP
1A pin and resistance R
5Link to each other variable resistance RP
1Tripod and resistance R
6An end link to each other variable resistance RP
2A pin and resistance R
7An end link to each other variable resistance RP
2Tripod and resistance R
8An end link to each other, form phase-sensitive detection circuit, by variable resistance RP
2Two pin, rectifier diode D
2Negative pole is done voltage output, by U
DOutput is delivered to microprocessor by after computing, amplifying, and demonstrates the result by telltale.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200420030955 CN2685306Y (en) | 2004-03-25 | 2004-03-25 | Tower type crane monitoring instrument |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200420030955 CN2685306Y (en) | 2004-03-25 | 2004-03-25 | Tower type crane monitoring instrument |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2685306Y true CN2685306Y (en) | 2005-03-16 |
Family
ID=34670501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200420030955 Expired - Fee Related CN2685306Y (en) | 2004-03-25 | 2004-03-25 | Tower type crane monitoring instrument |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2685306Y (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100378433C (en) * | 2005-10-08 | 2008-04-02 | 武汉科技大学 | Large industrial hock and crane positioning measuring apparatus based on FPGA |
CN101774509A (en) * | 2010-03-08 | 2010-07-14 | 上海三一科技有限公司 | System for automatic control of distance between object and ground and control method thereof |
CN102730562A (en) * | 2012-06-11 | 2012-10-17 | 常州市南港港口机械有限公司 | Weighing apparatus of container suspender |
-
2004
- 2004-03-25 CN CN 200420030955 patent/CN2685306Y/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100378433C (en) * | 2005-10-08 | 2008-04-02 | 武汉科技大学 | Large industrial hock and crane positioning measuring apparatus based on FPGA |
CN101774509A (en) * | 2010-03-08 | 2010-07-14 | 上海三一科技有限公司 | System for automatic control of distance between object and ground and control method thereof |
CN102730562A (en) * | 2012-06-11 | 2012-10-17 | 常州市南港港口机械有限公司 | Weighing apparatus of container suspender |
CN102730562B (en) * | 2012-06-11 | 2015-06-03 | 常州市南港港口机械有限公司 | Weighing apparatus of container suspender |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105486955A (en) | Electric hoist energy efficiency test method and system | |
CN2685306Y (en) | Tower type crane monitoring instrument | |
CN102337866A (en) | Energy-saving control method and system used for oil sucking machine in oil field | |
CN108502733A (en) | A kind of novel tower crane weight safety control method and system | |
CN110297122A (en) | Magnetic modulation sensor based on frequency model crosses range measurement method | |
CN204999461U (en) | Speed monitoring devices of elevator hauler when power failure is saved oneself | |
CN211180123U (en) | Climbing frame control device | |
CN200999183Y (en) | Tower machine working condition real-time supervising device | |
CN201971576U (en) | Moment limiting device and tower crane with same | |
CN209443804U (en) | A kind of construction discharging platform | |
CN105084149B (en) | Elevator traction machine is in the device for monitoring speed and method when saving oneself of having a power failure | |
CN207121361U (en) | It is a kind of can precise positioning tower crane | |
CN112285415A (en) | Cloud platform-based power equipment energy efficiency monitoring device and method | |
CN209146688U (en) | Manual capstan winch type monitoring sensor lifting device | |
CN205507606U (en) | Aerogenerator voltage control system | |
CN207142672U (en) | Intelligent tower crane | |
CN202600026U (en) | Extending current detector | |
CN111638404A (en) | Operation phase-failure fault detection display device for coal mine motor | |
CN206395633U (en) | A kind of balance coefficient of elevator detection means based on no-load current | |
CN105758325B (en) | A kind of pole distortion measurement instrument | |
CN205537536U (en) | Embrace pole deformation measurement appearance | |
CN211179339U (en) | Detection device is used in production of high strength layer board | |
CN217769833U (en) | Crane pulley power generation and energy storage system | |
CN219488688U (en) | Scraper machine fault monitoring system | |
CN204823820U (en) | Bridge crane load -lifting height measuring device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050316 |