CN2685306Y - Tower type crane monitoring instrument - Google Patents

Tower type crane monitoring instrument Download PDF

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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
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China
Prior art keywords
resistance
aerotron
weight sensor
capacitor
link
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Expired - Fee Related
Application number
CN 200420030955
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Chinese (zh)
Inventor
马振权
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Individual
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Individual
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Priority to CN 200420030955 priority Critical patent/CN2685306Y/en
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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

The tower crane monitor
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.
CN 200420030955 2004-03-25 2004-03-25 Tower type crane monitoring instrument Expired - Fee Related CN2685306Y (en)

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)

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CN2685306Y true CN2685306Y (en) 2005-03-16

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CN 200420030955 Expired - Fee Related CN2685306Y (en) 2004-03-25 2004-03-25 Tower type crane monitoring instrument

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CN (1) CN2685306Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
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

Cited By (4)

* Cited by examiner, † Cited by third party
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

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20050316