CN215006333U - Intelligent safety monitoring system for crane - Google Patents
Intelligent safety monitoring system for crane Download PDFInfo
- Publication number
- CN215006333U CN215006333U CN202121568469.7U CN202121568469U CN215006333U CN 215006333 U CN215006333 U CN 215006333U CN 202121568469 U CN202121568469 U CN 202121568469U CN 215006333 U CN215006333 U CN 215006333U
- Authority
- CN
- China
- Prior art keywords
- circuit
- wind speed
- signal
- comparison
- speed detection
- 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.)
- Active
Links
Images
Landscapes
- Jib Cranes (AREA)
Abstract
The utility model discloses a hoist intelligent security monitored control system relates to the construction equipment technique, aims at solving and can take place the relative montant of horizontal pole and carry out the pivoted condition when being blown by wind, from this one causes the horizontal pole very easily for the unstable condition of montant, and its technical scheme main points are: including the montant, rotate the horizontal pole of connection on the montant through rotating pole portion, a plurality of flexible subassemblies of fixedly connected with on the montant, the flexible end fixedly connected with of flexible subassembly is used for the clutch blocks of contradicting with rotating pole portion, fixedly connected with wind speed rotation speed detection control circuit on the horizontal pole, wind speed rotation speed detection control circuit and a plurality of flexible subassembly electric connection, wind speed rotation speed detection control circuit detects the flexible subassembly extension of control when the rotational speed of environment wind speed and horizontal pole all surpasss the threshold value, the biggest deformation volume more than or equal to clutch blocks of flexible subassembly is to the interval of rotating pole portion. The utility model discloses can avoid the horizontal pole to take place the pivoted condition for the montant at strong wind weather.
Description
Technical Field
The utility model relates to a construction equipment technique, more specifically say, it relates to a hoist intelligent security monitored control system.
Background
The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. Also known as crown blocks, navigation cranes and cranes.
The bridge crane is a hoisting device which is transversely arranged above workshops, warehouses and stockyards to hoist materials. Since its two ends are seated on a tall concrete column or a metal bracket, it is shaped like a bridge. The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, so that the space below the bridge frame can be fully utilized to hoist materials without being hindered by ground equipment. The lifting machine has the widest application range and the largest quantity.
However, the existing crane mainly comprises a vertical rod and a cross rod rotatably connected to the upper end of the vertical rod, the construction on site often stops temporarily in windy weather, the crane can rotate relative to the vertical rod when being blown by wind in windy weather, and therefore the cross rod is easy to topple over relative to the unstable condition of the vertical rod, and the safety problem of the construction site is caused.
Therefore, a new solution is needed to solve this problem.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a hoist intelligent security monitored control system can avoid the horizontal pole to take place the pivoted condition for the montant at strong wind weather.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a hoist intelligent security monitored control system, includes the montant, rotates the horizontal pole of connection on the montant through rotating pole portion, a plurality of flexible subassemblies of fixedly connected with on the montant, the flexible end fixedly connected with of flexible subassembly is used for the clutch blocks of contradicting with rotating pole portion, fixedly connected with wind speed rotational speed detection control circuit on the horizontal pole, wind speed rotational speed detection control circuit and a plurality of flexible subassembly electric connection, wind speed rotational speed detection control circuit detects the flexible subassembly extension of control when the rotational speed of environment wind speed and horizontal pole all surpasss the threshold value, the biggest deformation volume more than or equal to clutch blocks to rotating pole portion's interval of flexible subassembly.
Through adopting above-mentioned technical scheme, when the horizontal pole of hoist received strong wind weather influence, wind speed rotational speed detection control circuit detected that the rotational speed of environment wind speed and horizontal pole all surpassed the flexible subassembly extension of control when the threshold value to make flexible subassembly extension push friction block contradict with the rotation pole portion, make then the horizontal pole through the relative montant in rotation pole portion when rotating, can increase and hinder horizontal pole pivoted frictional force, make the horizontal pole be difficult to take place to rotate.
The utility model discloses further set up to: the wind speed and rotating speed detection control circuit comprises a wind speed detection circuit, a wind speed detection circuit and a wind speed control circuit, wherein the wind speed detection circuit is used for detecting ambient wind speed and outputting a wind speed signal; the first comparison circuit is connected with the wind speed detection circuit and outputs a first comparison signal when the wind speed detection signal is greater than a threshold value; the rotating speed detection circuit is used for detecting the rotating speed of the cross rod and outputting a rotating speed signal; the comparison circuit II is connected with the rotating speed detection circuit and outputs a comparison signal II after the rotating speed detection signal is greater than the threshold value; the NAND gate circuit is connected with the first comparison circuit and the second comparison circuit, and outputs an initial signal after receiving the first comparison signal and the second comparison signal; the first trigger circuit is connected with the NAND gate circuit and outputs a trigger signal after receiving the initial signal; and the first switch circuit is connected with the first trigger circuit and the telescopic assembly and controls the telescopic assembly to be electrified after receiving the trigger signal.
The utility model discloses further set up to: fixedly connected with distance detection circuit on the fixed end of flexible subassembly, distance control circuit outputs a distance signal after detecting the interval between clutch blocks and it, distance detection circuit is connected with control circuit, control circuit controls flexible subassembly stop work after accepting the distance signal.
The utility model discloses further set up to: the wind speed detection circuit comprises a wind speed sensor, the rotating speed detection circuit comprises a rotating speed sensor, the wind speed sensor is fixedly connected to the cross rod, and the rotating speed sensor is fixedly connected to the rotating rod.
The utility model discloses further set up to: the first comparison circuit and the second comparison circuit are both voltage comparators.
The utility model discloses further set up to: the first trigger circuit comprises a 555 time-base chip, and the input end of the 555 time-base chip is connected with the output end of the NAND gate circuit.
The utility model discloses further set up to: the first switch circuit comprises a first triode switch, the base of the first triode switch is connected with the output end of the first trigger circuit, the emitting electrode of the first triode switch is grounded, and the collector electrode of the first triode switch is connected with the telescopic assembly and then is connected with the power supply.
The utility model discloses further set up to: the distance detection circuit includes a distance sensor.
The utility model discloses further set up to: the control circuit comprises a third comparison circuit connected with the distance detection circuit, a second trigger circuit connected with the third comparison circuit and a second switch circuit connected with the second trigger circuit, the third comparison circuit is used for outputting a third comparison signal after a distance signal is larger than a threshold value, the second trigger circuit is used for outputting a second trigger signal after receiving the third comparison signal, and the second switch circuit is used for controlling the telescopic assembly to be powered off after receiving the second trigger signal.
The utility model discloses further set up to: the second switch circuit comprises a second triode switch and a normally closed relay switch, the base of the second triode switch is connected with the output end of the second trigger circuit, the collector of the second triode switch is connected with a relay and then connected with the power supply, the emitter of the second triode switch is grounded, and the normally closed relay switch is arranged on a circuit path where the telescopic assembly is located.
To sum up, the utility model discloses following beneficial effect has:
when the horizontal pole of hoist received strong wind weather influence, the flexible subassembly extension of control when wind speed rotational speed detection control circuit detected environment wind speed and the rotational speed of horizontal pole and all surpassed the threshold value to make flexible subassembly extension push friction block contradict with rotation pole portion, then when making the horizontal pole carry out the pivoted through the relative montant in rotation pole portion, can increase and hinder horizontal pole pivoted frictional force, make the horizontal pole be difficult to take place to rotate.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is an enlarged view at B in FIG. 2;
FIG. 4 is a block diagram of the present invention;
FIG. 5 is a diagram of the first comparator, the second comparator, and the NAND gate of the present invention;
fig. 6 is a wiring diagram of a first trigger circuit and a first switch circuit of the present invention;
fig. 7 is a wiring diagram of the control circuit of the present invention.
In the figure: 1. a vertical rod; 2. a cross bar; 3. rotating the rod part; 4. a hydraulic cylinder; 5. a friction block; 6. a wind speed sensor; 7. a first comparison circuit; 8. a rotational speed sensor; 9. a second comparison circuit; 10. a NAND gate circuit; 11. a first trigger circuit; 12. a first switch circuit; 13. a distance sensor; 14. a control circuit.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Example (b):
the utility model provides a hoist intelligent security monitored control system, as shown in fig. 1-3, including montant 1, rotate the horizontal pole 2 of connection on montant 1 through rotating pole portion 3, a plurality of flexible subassemblies of fixedly connected with on montant 1, the flexible fixedly connected with of flexible subassembly is used for the clutch blocks 5 of the grey cast iron 250 material of contradicting with rotating pole portion 3, fixedly connected with wind speed rotational speed detection control circuit 14 on the horizontal pole 2, wind speed rotational speed detection control circuit 14 and a plurality of flexible subassembly electric connection, wind speed rotational speed detection control circuit 14 detects the flexible subassembly extension of control when the rotational speed of environment wind speed and horizontal pole 2 all surpasss the threshold value, the biggest deformation volume of flexible subassembly is greater than and equals the interval of clutch blocks 5 to rotating pole portion 3, and flexible subassembly is pneumatic cylinder 4.
As shown in fig. 4, the wind speed and rotation speed detection control circuit 14 includes a wind speed detection circuit, a first comparison circuit 7, a rotation speed detection circuit, a second comparison circuit 9, a nand gate circuit, a first trigger circuit 11 and a first switch circuit 12, the wind speed detection circuit is used for detecting the ambient wind speed and outputting a wind speed signal, the first comparison circuit 7 is connected with the wind speed detection circuit and outputs a first comparison signal when the wind speed detection signal is greater than a threshold value, the rotation speed detection circuit is used for detecting the rotation speed of the crossbar 2 and outputting a rotation speed signal, the second comparison circuit 9 is connected with the rotation speed detection circuit and outputs a second comparison signal when the rotation speed detection signal is greater than the threshold value, the nand gate circuit is connected with the first comparison circuit 7 and the second comparison circuit 9 and outputs a start signal after receiving the first comparison signal and the second comparison signal, the first trigger circuit 11 is connected with the nand gate circuit and outputs a trigger signal after receiving the start signal, the first switch circuit 12 is connected with the first trigger circuit 11 and the telescopic assembly, and controls the telescopic assembly to be electrified after receiving the trigger signal.
As shown in fig. 5 and 6, the wind speed detection circuit includes a wind speed sensor 6, the wind speed detection circuit includes a rotation speed sensor 8, the wind speed sensor 6 is fixedly connected to the crossbar 2, the rotation speed sensor 8 is fixedly connected to the rotating rod 3, the first comparison circuit 7 and the second comparison circuit 9 are both voltage comparators, respectively, a voltage comparator IC1 and a voltage comparator IC2, the first trigger circuit 11 includes a 555 time base chip IC3, an input terminal of the 555 time base chip IC3 is connected to an output terminal of the nand gate circuit, the first switch circuit 12 includes a triode switch VT1, an output terminal of the wind speed sensor 6 is connected to an anode of the voltage comparator IC1, a cathode of the voltage comparator IC1 is connected to a resistor R1 and then connected to the ground, a resistor R2 is connected between a cathode of the voltage comparator IC1 and a resistor R1 and then connected to the ground, an output terminal of the rotation speed sensor 8 is connected to an anode of the voltage comparator IC2, the negative pole of the voltage comparator IC2 is connected with a resistor R3 and then connected with the ground, the negative pole of the voltage comparator IC2 is connected with a resistor R4 and then connected with the ground after being connected with a resistor R3, the output end of the voltage comparator IC1 and the output end of the voltage comparator IC2 are connected with the input end of a NAND gate circuit, the output end of the NAND gate circuit is connected with a pin 2 of a 555 time base chip IC3, a pin 1 of the 555 time base chip IC3 is connected with the ground, pins 6 and 7 of the 555 time base chip IC3 are connected with a capacitor C1 and then connected with the ground, a pin 7 of the 555 time base chip IC3 is connected with the ground, a pin 5 of the 555 time base chip IC3 is connected with a capacitor C2 and then connected with the 555, pins 8 and 4 of the time base chip IC3 are connected with the ground, a pin 3 of the 555 time base chip IC3 is connected with a resistor R5 and then connected with the base of a triode VT switch 1, the emitter of the triode VT switch 1 is connected with a relay switch K1-1 and then connected with the ground after being normally closed, the collector of the triode switch I VT1 is connected with the hydraulic cylinder 4 and then is connected with the electricity, and the hydraulic cylinder 4 is connected with a voltage stabilizing diode VD1 in parallel.
As shown in fig. 4 and 7, a distance detection circuit is fixedly connected to the fixed end of the telescopic assembly, the distance control circuit 14 outputs a distance signal after detecting the distance between the friction block 5 and the distance control circuit, the distance detection circuit is connected to the control circuit 14, the control circuit 14 controls the telescopic assembly to stop working after receiving the distance signal, the distance detection circuit includes a distance sensor 13, the control circuit 14 includes a third comparison circuit connected to the distance detection circuit, a second trigger circuit connected to the third comparison circuit, and a second switch circuit connected to the second trigger circuit, the third comparison circuit is used for outputting a third comparison signal after the distance signal is greater than a threshold value, the second trigger circuit is used for outputting a second trigger signal after receiving the third comparison signal, the second switch circuit is used for controlling the telescopic assembly to be powered off after receiving the second trigger signal, the second switch circuit includes a second triode switch VT2, the second trigger circuit is a 555 time-base chip IC5, the third comparator circuit is a voltage comparator IC4, the distance sensor 13 is connected to the positive pole of the voltage comparator IC4, the negative pole of the voltage comparator IC4 is connected with a resistor R6 and then is connected with the power, a resistor R7 is connected between the negative pole of the voltage comparator IC4 and the resistor R6 and then is grounded, the output end of the voltage comparator IC4 is connected with an inverter and then is connected with a 2 pin of the 555 time-base chip IC5, a 1 pin of the 555 time-base chip IC5 is grounded, pins 6 and 7 of the 555 time-base chip IC5 are connected with a capacitor C3 and then is grounded after being short-circuited, a pin 7 of the 555 time-base chip IC5 is connected with the power, a pin 5 of the time-base chip IC5 is connected with a capacitor C4 and then is grounded, pins 8 and 4 of the 555 time-base chip IC5 are connected with the power, a pin 3 of the 555 time-base chip IC5 is connected with a resistor R42 and then is connected with the base of the triode switch II 2, the emitter of the triode switch VT 45 is connected with the power, the collector of the triode switch II VT2 is connected with a relay K1 and then is connected with the power, and the relay K1 is connected with a voltage stabilizing diode VD2 in parallel.
When the environment is windy weather and the cross bar 2 rotates relative to the vertical bar 1 through the rotating bar part 3, the wind speed sensor 6 detects the wind speed of the environment on the cross bar 2 and outputs a wind speed signal, when the cross bar 2 rotates through the rotating bar part 3, the rotating speed sensor 8 detects the rotating speed of the cross bar and outputs a rotating speed signal, the comparison circuit I7 compares the wind speed signal with a threshold value, when the wind speed signal is greater than the threshold value, a comparison signal I is output, the comparison circuit II compares the rotating speed signal with the threshold value, a comparison signal II is output when the rotating speed signal is greater than the threshold value, when the comparison signal I and the comparison signal II are simultaneously met, the NAND gate circuit outputs a starting signal to the 555 time base chip IC3, the 555 time base chip IC3 outputs a trigger signal I, the hydraulic cylinder 4 is powered on after the triode switch VT1 receives the trigger signal I, the pneumatic cylinder 4 pushes the friction block 5 to be abutted against the rotating rod part 3, so that the friction force between the rotating rod part 3 and the vertical rod 1 is increased, and the horizontal rod 2 is not easy to rotate.
And when the distance sensor 13 detects the distance between the distance sensor and the friction block 5, a distance signal is output and transmitted to the voltage comparator IC4, the voltage comparator IC4 compares the distance signal with a threshold value, a comparison signal III is output after comparison, the comparison signal III is transmitted to the 555 time base chip IC5 after passing through a phase inverter, the 555 time base chip IC5 outputs a trigger signal II, so that a collector and an emitter of the triode switch II VT2 are electrified, then the relay K1 is electrified, the relay K1 controls the normally closed relay switch K1-1 to be disconnected, the hydraulic cylinder 4 is powered off, and the hydraulic lock in the hydraulic cylinder is locked, so that the safety problems of overturning and the like caused by the rotation of the cross bar 2 in the windy weather are avoided.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a hoist intelligent security monitored control system which characterized in that: including montant (1), rotate horizontal pole (2) of connection on montant (1) through rotating pole portion (3), a plurality of flexible subassemblies of fixedly connected with on montant (1), the flexible end connection of flexible subassembly is used for the clutch blocks (5) of contradicting with rotating pole portion (3), fixedly connected with wind speed rotational speed detection control circuit (14) is gone up in horizontal pole (2), wind speed rotational speed detection control circuit (14) and a plurality of flexible subassembly electric connection, the wind speed rotational speed detects control circuit (14) and detects the rotational speed of environment wind speed and horizontal pole (2) and all surpasss the threshold value time control flexible subassembly extension, the biggest deformation volume of flexible subassembly is greater than the interval that equals clutch blocks (5) to rotating pole portion (3).
2. The intelligent safety monitoring system for cranes according to claim 1, characterized in that: the wind speed and rotation speed detection control circuit (14) comprises a wind speed detection circuit, a wind speed detection control circuit and a wind speed control circuit, wherein the wind speed detection circuit is used for detecting ambient wind speed and outputting a wind speed signal; the first comparison circuit (7) is connected with the wind speed detection circuit and outputs a first comparison signal after the wind speed detection signal is greater than a threshold value; the rotating speed detection circuit is used for detecting the rotating speed of the cross rod (2) and outputting a rotating speed signal; the second comparison circuit (9) is connected with the rotating speed detection circuit and outputs a second comparison signal after the rotating speed detection signal is greater than the threshold value; the NAND gate circuit (10) is connected with the first comparison circuit (7) and the second comparison circuit (9), receives the first comparison signal and the second comparison signal and outputs an initial signal; the trigger circuit I (11) is connected with the NAND gate circuit (10) and outputs a trigger signal after receiving the initial signal; and the first switch circuit (12) is connected with the first trigger circuit (11) and the telescopic assembly and controls the telescopic assembly to be electrified after receiving the trigger signal.
3. The intelligent safety monitoring system for cranes according to claim 2, characterized in that: fixedly connected with distance detection circuit on the fixed end of flexible subassembly, distance control circuit (14) detect clutch blocks (5) and export a distance signal after rather than the interval between them, distance detection circuit is connected with control circuit (14), control circuit (14) control flexible subassembly stop work after receiving distance signal.
4. The intelligent safety monitoring system for cranes according to claim 2, characterized in that: the wind speed detection circuit comprises a wind speed sensor (6), the rotating speed detection circuit comprises a rotating speed sensor (8), the wind speed sensor (6) is fixedly connected to the cross rod (2), and the rotating speed sensor (8) is fixedly connected to the rotating rod part (3).
5. The intelligent safety monitoring system for cranes according to claim 2, characterized in that: and the first comparison circuit (7) and the second comparison circuit (9) are both voltage comparators.
6. The intelligent safety monitoring system for cranes according to claim 2, characterized in that: the trigger circuit I (11) comprises a 555 time base chip, and the input end of the 555 time base chip is connected with the output end of the NAND gate circuit (10).
7. The intelligent safety monitoring system for cranes according to claim 2, characterized in that: the first switch circuit (12) comprises a first triode switch, the base of the first triode switch is connected with the output end of the first trigger circuit (11), the emitting electrode of the first triode switch is grounded, and the collector electrode of the first triode switch is connected with the telescopic assembly and then is connected with the power supply.
8. The intelligent safety monitoring system for cranes according to claim 3, characterized in that: the distance detection circuit includes a distance sensor (13).
9. The intelligent safety monitoring system for cranes according to claim 3, characterized in that: the control circuit (14) comprises a third comparison circuit connected with the distance detection circuit, a second trigger circuit connected with the third comparison circuit and a second switch circuit connected with the second trigger circuit, the third comparison circuit is used for outputting a third comparison signal after the distance signal is larger than a threshold value, the second trigger circuit is used for outputting a second trigger signal after receiving the third comparison signal, and the second switch circuit is used for controlling the telescopic assembly to be powered off after receiving the second trigger signal.
10. The intelligent safety monitoring system for cranes according to claim 3, characterized in that: the second switch circuit comprises a second triode switch and a normally closed relay switch, the base of the second triode switch is connected with the output end of the trigger circuit, the collector of the second triode switch is connected with a relay and then connected with the power supply, the emitter of the second triode switch is grounded, and the normally closed relay switch is arranged on a circuit path where the telescopic assembly is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121568469.7U CN215006333U (en) | 2021-07-10 | 2021-07-10 | Intelligent safety monitoring system for crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121568469.7U CN215006333U (en) | 2021-07-10 | 2021-07-10 | Intelligent safety monitoring system for crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215006333U true CN215006333U (en) | 2021-12-03 |
Family
ID=79125646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121568469.7U Active CN215006333U (en) | 2021-07-10 | 2021-07-10 | Intelligent safety monitoring system for crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215006333U (en) |
-
2021
- 2021-07-10 CN CN202121568469.7U patent/CN215006333U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215006333U (en) | Intelligent safety monitoring system for crane | |
| CN208861438U (en) | Power overhead network touch-proof device | |
| CN202785380U (en) | Small crane | |
| CN206432557U (en) | A kind of lightning arrester mounting seat for being capable of arc extinguishing | |
| CN203428662U (en) | Detecting and automatic winding and unwinding device for electric drive engineering vehicle cable | |
| CN214989780U (en) | Automatic change hoist safety monitoring device | |
| CN205068700U (en) | Transmission line overhauls protection against electric shock early warning system | |
| CN2480352Y (en) | Tower crane corrosion proof and local protector | |
| CN212111629U (en) | Intelligent line loss detection device | |
| CN210464354U (en) | Alarm device applied to cable supporting device | |
| CN205011260U (en) | Intelligent hoist lifting rope choke shakes subassembly | |
| CN210067385U (en) | Intelligent self-stabilizing movable scaffold | |
| CN207226875U (en) | Tower crane local angle and travel limiting system | |
| CN206902590U (en) | A kind of tunnel mouth prompting dumper puts down the source of early warning in compartment | |
| CN2131844Y (en) | Alarm device for crane mounted on vehicle | |
| CN220866946U (en) | Building site tower machine monitoring early warning platform | |
| CN201298698Y (en) | Movable spanning basket | |
| CN206432681U (en) | A kind of Novel lightning arrester mounting seat | |
| CN2920930Y (en) | Windproof device for rail-mounted material-storing and transporting equipment | |
| CN205224626U (en) | Steel platform of unloading | |
| CN210764052U (en) | Anti-collision device of door tower crane | |
| CN210764045U (en) | Movable arm type tower crane | |
| CN204302425U (en) | A kind of cable detecting device for building hoist | |
| CN212609093U (en) | Monorail crane | |
| CN218382756U (en) | Bridge inhaul cable corrosion wire breakage detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |