CN210710472U - Alarm device for vertical angle deviation of steel wire rope of crane - Google Patents
Alarm device for vertical angle deviation of steel wire rope of crane Download PDFInfo
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- CN210710472U CN210710472U CN201920811748.8U CN201920811748U CN210710472U CN 210710472 U CN210710472 U CN 210710472U CN 201920811748 U CN201920811748 U CN 201920811748U CN 210710472 U CN210710472 U CN 210710472U
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Abstract
The utility model discloses an alarm device for the deviation of a steel wire rope of a crane from a vertical angle, which comprises a device body, wherein the device body comprises an angle detection mechanism and an alarm mechanism, and the angle detection mechanism comprises a multidimensional adjustment part, an angle alarm unit and a power supply unit, wherein the angle alarm unit comprises an angle judgment module and an early warning signal output module; the angle alarm unit and the alarm mechanism comprise an early warning signal receiving module, a buzzer and a power supply unit; the angle judgment module receives an inclination angle signal transmitted by the multi-dimensional adjusting component and then judges the inclination angle signal with a preset value; if the preset value is exceeded, a starting signal is sent to the early warning signal output module; otherwise, continuing monitoring; the early warning signal output module demodulates the early warning signal and sends the early warning signal to the warning mechanism; the device can ensure that the steel wire rope of the crane deviates from the vertical angle to give an alarm to an operator in time.
Description
Technical Field
The utility model relates to a cantilever crane, to the wire rope of cantilever crane and the alarm device of the skew perpendicular angle design of gib head, be directed against the skew perpendicular angle alarm device of offshore platform hoist wire rope very much.
Background
At present, more than one hundred offshore platform cranes are used in Bohai Bay areas, the working time per day is 3-8 hours, and due to the compact structure, multiple layers and equipment blocking influence of the offshore platform, a driver of the crane cannot accurately see the relative position of a cargo and a suspension arm in the hoisting process, a large included angle is formed between the angle of a steel wire rope and the vertical angle, and the steel wire rope is obliquely pulled and obliquely pulled to cause abnormal collision; simultaneously the hoist is doing armed lever, gib head, gyration triple linkage's in-process, in case the gib head whipping angle is great takes place the hook with the armed lever, collides with probably unable in time discovery, the damage of armed lever appears, the time of colliding with of production all has tens of because of drawing askew to one side every year, hook, the collision of gib head and armed lever take place when even, greatly influences hoist and mount safety and hoist equipment safety.
In case take place to collide with, the hook incident, not only influence the normal use of equipment, have very big threat to personnel and equipment safety simultaneously, cost of maintenance is very high, how to avoid producing this type of problem, has consequently designed offshore platform crane wire rope deviation angle alarm device.
Disclosure of Invention
The utility model aims at solving the technical problem that the skew perpendicular angle driver of the wire rope of hoist especially offshore platform use hoist fails in time to learn the abnormal conditions, and the device can ensure the skew perpendicular angle of hoist wire rope and in time report to the police to controlling personnel, and very big degree improves the hoisting equipment security.
In order to solve the problems of the prior art, the utility model adopts the following technical scheme to implement:
an alarm device for the deviation of a steel wire rope of a crane from a vertical angle is composed of a device body, wherein the device body is composed of an angle detection mechanism and an alarm mechanism, and the angle detection mechanism comprises a multi-dimensional adjusting part, an angle alarm unit and a power supply unit, wherein the angle alarm unit is composed of an angle judgment module and an early warning signal output module; the angle alarm unit and the alarm mechanism comprise an early warning signal receiving module, a buzzer and a power supply unit; wherein:
the angle judgment module receives an inclination angle signal transmitted by the multi-dimensional adjusting component and then judges the inclination angle signal with a preset value; if the preset value is exceeded, a starting signal is sent to the early warning signal output module; otherwise, continuing monitoring;
and the early warning signal output module demodulates the early warning signal and sends the early warning signal to the warning mechanism.
The angle judging module and the early warning signal output module comprise a phase inverter CD4069, a crystal oscillator and an electromagnetic induction L2; when the hook head is hooked to other positions of the suspension arm or an obvious oblique pulling state occurs, the angle judgment module detects that the inclination angle of the crane exceeds a preset value, outputs an inclination angle electric signal, generates an electromagnetic wave for the combined action of a phase inverter CD4069 in the early warning signal output module and a crystal oscillator, and transmits an alarm signal to the alarm mechanism through electromagnetic induction L2.
The early warning signal receiving module comprises Q1, L2, C1 and C2 oscillation receivers, namely after the Q1, L2, C1 and C2 oscillation receivers receive detection after receiving the early warning signals, the signals are shaped and amplified through CD4069, high-frequency clutter is filtered by the filter circuit, and the output signals are shaped and amplified and then sent to the buzzer to give an alarm.
The multi-dimensional adjustment component includes at least one inclinometer.
The utility model has the advantages that:
1. the utility model discloses can replace the people for the vertical angle problem of visual control wire rope, can in time report to the police when skew great. The utility model discloses well angle measurement mechanism supports the multi-angle measurement, no matter wire rope's skew angle all can instruct to accomplish according to the set angle in arbitrary direction and measure, adopts wireless transmission mode between angle measurement mechanism and the alarm mechanism to solved wire rope in the motion process, the problem of the abnormal conditions warning feedback that appears during different length.
2. The utility model discloses extensive application is on the hoist, uses on the hooklet of two loop wheel machines of QHD32-6 oil field CEPJ platform promptly, has reached anticipated design effect, and functional test is normal monthly, once early warning many times in the use, has guaranteed the safe handling of offshore platform hoist.
3. The utility model discloses simple structure, it is multiple functional, especially be non-shelter regional transmission distance and can reach 100 and give other sound 200M, satisfy the long-distance operation requirement of marine hoist.
4. The utility model adopts a direct measuring mode for the deviation angle of the steel wire rope, adopts non-line transmission for transmission, and meets the requirements of angle measurement and alarm under the dynamic condition of the steel wire rope; the installation mode adopts a short-distance wireless signal transmission mode of the one-to-one (or one-to-two) angle detection mechanism of the cab alarm mechanism, and each crane cab alarm can adopt a one-to-one correspondence mode between single hook heads and also can adopt a mode that a large hook and a small hook correspond to one cab receiver to alarm.
Drawings
FIG. 1: the utility model relates to a structural schematic diagram of an alarm device aiming at the deviation of a steel wire rope of a crane from a vertical angle;
FIG. 2: the utility model relates to a circuit diagram of an angle detection mechanism in an alarm device aiming at the deviation of a steel wire rope of a crane from a vertical angle;
FIG. 3: the utility model relates to a structural schematic diagram of a multidimensional adjusting part in an alarm device aiming at the deviation of a steel wire rope of a crane from a vertical angle;
FIG. 4: the utility model relates to an alarm mechanism circuit diagram among skew vertical angle alarm device to hoist wire rope.
Detailed Description
The present invention is described in detail below with reference to the accompanying drawings:
as shown in fig. 1, the utility model provides an offshore platform hoist wire rope deviation vertical angle alarm device, the device include angle detection mechanism 101 and alarm mechanism 201, the utility model discloses in angle detection mechanism 101 mounted position is in gib head 301 swivel department or gib head top fixed department of hoist, and alarm mechanism 201 installs in the control room 401 of hoist. Normally, the end of the crane is connected to the hook head by a wire rope, and the angle detection mechanism 101 is provided on the hook head 301.
As shown in fig. 2, the angle detection mechanism 101 includes a multi-dimensional angle adjustment component 102, an angle early warning unit 103, and a power supply unit 104. The multi-dimensional adjusting component 102 is composed of a plurality of inclinometers 110, the inclinometers 110 are connected in parallel on a circuit board 112, and the circuit board 112 sends acquired inclination angle signals of the crane hook 301 to the angle early warning unit 103 through two connection points A-B on the circuit board 112;
the angle early warning unit 103 comprises an angle judgment module 113 and an early warning signal output module 114; the angle determining module 113 determines whether the hook head inclination angle signal exceeds a preset value after receiving the hook head inclination angle signal, wherein the preset angle value is usually between 5 ° and 15 °, and preferably 10 °. If the hook head inclination angle signal exceeds the preset value, the early warning signal output module 114 is triggered to demodulate and send an early warning signal to the warning mechanism 201. The angle judgment module 113 and the early warning signal output module 114 comprise an inverter CD4069, a crystal oscillator and an electromagnetic induction L2; when the hook head is hooked to other positions of the suspension arm or an obvious oblique pulling state occurs, the angle judgment module detects that the inclination angle of the crane exceeds a preset value, outputs an inclination angle electric signal, generates an electromagnetic wave for the combined action of a phase inverter CD4069 in the early warning signal output module and a crystal oscillator, and transmits an alarm signal to the alarm mechanism through electromagnetic induction L2.
As shown in fig. 3, the multi-dimensional angle adjustment component 102 includes at least one inclinometer 110. The utility model adopts four unidirectional fixed inclination angle instruments 110; the four unidirectional fixed inclinometers are connected in parallel and then are respectively connected with two wiring positions of the circuit boards A-B, and signals are output outwards. According to practical application, the utility model discloses well multidimension degree angle adjustment part 102 can also be adjusted to 8 to, and the angularly adjustable carries out angular adjustment according to the site conditions, encapsulates after the angle is confirmed, and simple to operate uses reliably, and 4 angle detection to adjustable angle needs 4 fixed inclination meters to realize. The working principle of the four-dimensional angle adjusting part is as follows: when the four unidirectional fixed inclinometers are in a normal state, the two points A-B are in an open state, when any one of the four unidirectional fixed inclinometers exceeds the horizontal angle, a closed signal is triggered, the signal is transmitted to the outside through the two points A-B, and at the moment, an alarm state is triggered.
The power supply unit 104 supplies power to the angle detection mechanism.
In order to ensure the utility model discloses can normally supply power at the battery during the use, specially set up manual test switch 115, can carry out the test of alarming function before the equipment operation of every turn, manual test operation mode is the same with the testing process in the operation mode (according to the field usage see that battery live time is generally about 3 months).
As shown in fig. 4, the alarm mechanism 201 includes an early warning signal receiving module 202, a buzzer 203, and a power supply unit 204. The early warning signal receiving module 202 demodulates the early warning signal output by the angle detecting mechanism 101 when receiving the angle, and triggers the buzzer to alarm. The early warning signal 202 receiving module comprises Q1, L2, C1 and C2 oscillation receivers, namely after the early warning signal is received, the Q1, L2, C1 and C2 oscillation receivers are detected, the signal is shaped and amplified through a CD4069, high-frequency noise waves are filtered through a filter circuit, the output signal is shaped and amplified, the early warning signal is sent to a buzzer to give an alarm, a driver is reminded to pay attention to the abnormal working state of the steel wire rope and the lifting hook, and further equipment risks and faults are reduced. The power supply unit provides power for the alarm mechanism.
It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (4)
1. The utility model provides a constitute by the device body to deviating perpendicular angle alarm device of hoist wire rope which characterized in that: the device body consists of an angle detection mechanism and an alarm mechanism, wherein the angle detection mechanism comprises a multi-dimensional adjusting part, an angle alarm unit consisting of an angle judgment module and an early warning signal output module, and a power supply unit; the alarm mechanism comprises an early warning signal receiving module, a buzzer and a power supply unit; wherein:
the angle judgment module receives an inclination angle signal transmitted by the multi-dimensional adjusting component and then judges the inclination angle signal with a preset value; if the preset value is exceeded, a starting signal is sent to the early warning signal output module; otherwise, continuing monitoring;
and the early warning signal output module demodulates the early warning signal and sends the early warning signal to the warning mechanism.
2. The device for warning about the deviation of a crane wire rope from a vertical angle as claimed in claim 1, wherein: the angle judging module and the early warning signal output module comprise inverters, crystal oscillators and electromagnetic induction L2; when the hook head is hooked to other positions of the suspension arm or an obvious oblique pulling state occurs, the angle judgment module detects that the inclination angle of the crane exceeds a preset value, outputs an inclination angle electric signal, generates an electromagnetic wave for the combined action of a phase inverter in the early warning signal output module and a crystal oscillator, and transmits a warning signal to the warning mechanism through electromagnetic induction L2.
3. The device for warning about the deviation of a crane wire rope from a vertical angle as claimed in claim 1, wherein: the early warning signal receiving module comprises an oscillation receiver, after the oscillation receiver receives detection, the oscillation receiver shapes and amplifies signals through an inverter, high-frequency clutter is filtered through a filter circuit, and output signals are shaped and amplified and then sent to a buzzer to give an alarm.
4. The device for warning about the deviation of a crane wire rope from a vertical angle as claimed in claim 1, wherein: the multi-dimensional adjustment component includes at least one inclinometer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920811748.8U CN210710472U (en) | 2019-05-31 | 2019-05-31 | Alarm device for vertical angle deviation of steel wire rope of crane |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920811748.8U CN210710472U (en) | 2019-05-31 | 2019-05-31 | Alarm device for vertical angle deviation of steel wire rope of crane |
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| CN210710472U true CN210710472U (en) | 2020-06-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110356987A (en) * | 2019-05-31 | 2019-10-22 | 中国海洋石油集团有限公司 | A kind of offshore platform crane rope deviation vertical angle warning device |
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2019
- 2019-05-31 CN CN201920811748.8U patent/CN210710472U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110356987A (en) * | 2019-05-31 | 2019-10-22 | 中国海洋石油集团有限公司 | A kind of offshore platform crane rope deviation vertical angle warning device |
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