CN208240210U - A kind of sand reel automatic alarm anticollision system - Google Patents
A kind of sand reel automatic alarm anticollision system Download PDFInfo
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- CN208240210U CN208240210U CN201820664100.8U CN201820664100U CN208240210U CN 208240210 U CN208240210 U CN 208240210U CN 201820664100 U CN201820664100 U CN 201820664100U CN 208240210 U CN208240210 U CN 208240210U
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Abstract
The utility model provides a kind of sand reel automatic alarm anticollision system, including magnetizer and magnetic induction switch, the magnetic induction switch is mounted at the top dead centre of sand reel wirerope, the magnetizer a little magnetizes to magnetizing on sand reel wirerope, when magnetize a little go upward to top dead centre when, after the magnetic induction switch detects the magnetic signal to magnetize a little, signal is passed into control device, the control device signal is connected to executing agency, and control the alarm equipment alarm of executing agency, if operating the hand brake, the executing agency is not reoperated；If manipulator does not brake, the control device controls executing agency's self-actuating brake.Sand reel automatic alarm anticollision system described in the utility model, the perfect manipulation function of sand reel, it is automatic to issue alarm signal and brake instruction when in oil field, swabbing operation is up to top dead centre, effectively avoid sand reel from encountering well head or even overhead traveling crane to crash.
Description
Technical field
The utility model belongs to petroleum drilling engineering field, more particularly, to a kind of sand reel automatic alarm anti-collision system
System.
Background technique
The workover rig sand reel of petroleum well workover industry is the special equipment of oil field swabbing operation, when above mentioning (when uplink),
When does pumping tool in oil well reach well head (top dead centre), and when the roller of rotation slows down? when brake? it needs accurately
Identification and security protection system.Field operation is when avoiding uplink, to touch well head or even touch overhead traveling crane accident, generally use at present
Two methods: 1) by the way that how much judgements of sand reel steel wire rope be wrapped in.2) a certain section of wirerope is rived plus nylon
Band, cotton yarn etc. are marked, and manipulator, which sees, slows down again, brakes after mark comes out from well head.Once mark is worn away or fallen by strip,
Dislocation can make manipulator judge the position of uplink by accident, easily cause and touch well head and overhead traveling crane accident.In addition, manipulator worries that accident occurs,
Pre-decelerating causes pumping efficiency to reduce.In order to solve the above problem, it is necessary to develop sand reel automatic alarm anticollision system
Summary of the invention
In view of this, the utility model is directed to a kind of sand reel automatic alarm anticollision system, to provide a kind of energy
Enough accurate automatic sending deceleration alarm signals and brake instruction, effectively control sand reel speed, sand reel are avoided to touch well head
Or even overhead traveling crane accident is touched, improve the sand reel automatic alarm anticollision system of working efficiency.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of sand reel automatic alarm anticollision system, including magnetizer, magnetize point, magnetic induction switch, control device
And executing agency, the magnetic induction switch are mounted at the top dead centre of sand reel wirerope, the magnetizer is to fishing sand rolling
Described magnetize on cylinder wirerope is a little magnetized, when it is described magnetize a little go upward to top dead centre along wirerope when, the magnetic induction switch
After detecting the magnetic signal to magnetize a little, signal is passed into the control device, the control device signal is connected to institute
Executing agency is stated, and controls the alarm equipment alarm of the executing agency, if the operation hand brake, the executing agency are no longer dynamic
Make；If manipulator does not brake, the control device controls executing agency's self-actuating brake.
Further, described magnetize a little is not less than 20m to the distance of pumping tool.
Further, distance of the magnetic induction switch apart from wirerope is not more than 60mm.
Further, the magnetizer includes rectifier bridge, capacitor and induction coil, the rectifier bridge by diode D21,
The tie point of diode D22, diode D23 and diode D24 composition, the diode D21 and the diode D22 are described
The tie point of the first end of rectifier bridge, the diode D22 and the diode D23 are the second end of the rectifier bridge, described
The tie point of diode D23 and the diode D24 are the third end of the rectifier bridge, the diode D24 and two pole
The tie point of pipe D21 is the 4th end of the rectifier bridge；The third end of the rectifier bridge is respectively connected to the standard of selection switch S2
For position, one end of resistance R21, the other end of the resistance R21 is connected to the first end of the rectifier bridge through indicator light LED1,
4th end of the rectifier bridge is connected to positive pole, and the selection switch S2 is connected to the first of the rectifier bridge through capacitor C
The position of magnetizing at end, the selection switch S2 is respectively connected to the N of resistance R22, one end of resistance R23 and the induction coil
Pole, the pole S of the induction coil are connected to the other end of the resistance R23, the other end of the resistance R22 through diode D25
The pole S of the induction coil is connected to through indicator light LED2, the load side of power supply is equipped with switch S1.
Further, the magnetic induction switch includes induction coil L, transistor, relay J, No.1 rectifier bridge and No. two
Rectifier bridge, the No.1 rectifier bridge include diode D4, diode D5, diode D6 and diode D7, No. two rectifier bridges
Including diode D8, diode D9, diode D10 and diode D11, the negative sense electromotive force of the induction coil L is through capacitor C1
It is connected to positive pole, positive electromotive force successively enters triode Q1 through resistance R8, swept resistance VR, resistance R9 and diode D1
Be knot, the collector of the triode Q1 connects power supply after capacitor C2, diode D2, the base stage of triode Q2, resistance R11
One end of cathode, the capacitor C2 is connected to positive pole through resistance R1, and the other end is connected to positive pole through resistance R2, described
The collector of triode Q2 is connected to positive pole through resistance R4；The base stage of the triode Q1 is connected to power supply through resistance R10 and bears
The base stage of pole, the triode Q1 is followed by through resistance R3, resistance R5, the base stage of triode Q3 and resistance R12 to power cathode, institute
It states resistance R3 and is connected in parallel with a capacitor C3, the collector of the triode Q3 is connected to the No.1 through the relay J, resistance R7
The first end of rectifier bridge is connected in parallel with a capacitor C4 between the first end and third end of the No.1 rectifier bridge, the relay J is simultaneously
Join a diode D3, the first end of the No.1 rectifier bridge is connected to positive pole through resistance R6, between positive pole and GND
Equipped with zener diode ZD1, zener diode ZD2 is equipped between GND and power cathode.
Further, the circuit of the control device include rotary switch SA1, relay KA1, relay KA2, the time after
One end of electric appliance KT, indicator light HL, buzzer HA and solenoid valve, the normally opened contact KA1-1 of the relay KA1 is connected to power supply
Anode, the other end are connected to power cathode through the coil of the relay KA1, and the normally opened contact KA1-1 of the relay KA1 is in parallel
The close switch SQ of one magnetic induction；One end of the normally opened contact KA2-1 of the relay KA1 is connected to positive pole, the other end
Power cathode is connected to through the indicator light HL respectively, is connected to power cathode through the buzzer HA；The relay KA1's
One end of normally opened contact KA3-1 is connected to positive pole, and the other end is connected to power cathode through the coil of the time relay KT,
One end of normally opened contact of the time relay KT is connected to positive pole, and the other end is connected to electricity through the coil of the relay KA2
Source cathode, one end of normally opened contact of the relay KA2 are connected to positive pole, and the other end is connected to electricity through the coil QA1 of solenoid valve
The power supply load side of source cathode, the control circuit is equipped with rotary switch SA1.
Further, the gas circuit of the control device include No.1 it is normally closed after air valve, No. two it is normally closed after air valve and shuttle valve, institute
Stating executing agency includes brake cylinder, air clutch, and it is normally closed after gas that the solenoid valve through shuttle valve signal is connected to the No.1
Valve, the No.1 is normally closed after air valve air circuit connection to the brake cylinder, and the brake cylinder pushes brake strap to make sand reel quilt
Brake strap locking；The solenoid signal be connected to described No. two it is normally closed after air valve, described No. two it is normally closed after air valve through quick release valve gas
Road is connected to the air clutch.
Further, the alarm is combined aural and visual alarm.
Further, the intensity of sound of the alarm is greater than 120 decibels.
Compared with the existing technology, sand reel automatic alarm anticollision system described in the utility model has the advantage that
(1) sand reel automatic alarm anticollision system described in the utility model, the perfect manipulation function of sand reel,
It is automatic to issue alarm signal and brake instruction when in oil field, swabbing operation is up to top dead centre, effectively sand reel is avoided to touch
To well head or even overhead traveling crane to crash.
(2) sand reel automatic alarm anticollision system described in the utility model, high degree of automation, response time are fast
It is prompt, accurate, the safety of sand reel operation is substantially increased, is improved work efficiency.
(3) sand reel automatic alarm anticollision system described in the utility model, resistance R3 and diode D5 are damping member
Part effectively prevent generation oscillating current to influence the effect that magnetizes.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is sand reel automatic alarm anticollision system structural schematic diagram described in the utility model embodiment；
Fig. 2 is the schematic diagram that magnetizes of magnetizer described in the utility model embodiment；
Fig. 3 is magnetic induction switch schematic diagram described in the utility model embodiment；
Fig. 4 is the circuit diagram of control device described in the utility model embodiment；
Fig. 5 is anti-collision pneumatic diagram described in the utility model embodiment.
Description of symbols:
1- magnetizer；2- magnetizes a little；3- magnetic induction switch；4- control device；41- No.1 is normally closed after air valve；42- bis-
It is normally closed after air valve；5- executing agency.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of sand reel automatic alarm anticollision system, as shown in Figures 1 to 5, including magnetizer 1, magnetize a little 2, magnetic
Inductive switch 3, control device 4 and executing agency 5,
The magnetic induction switch 3 is mounted at the top dead centre of sand reel wirerope, and the magnetizer 1 is to sand reel
Described magnetize on wirerope a little 2 is magnetized, when it is described magnetize a little 2 go upward to top dead centre when, the magnetic induction switch 3 detects institute
State magnetize a little 2 magnetic signal, and magnetic signal is converted into electric signal, is sent to the combined aural and visual alarm alarm of executing agency 5, prompts
Manipulator slows down and brakes；If manipulator does not hear, the time relay is acted after the time relay is delayed 10 seconds, the tenth second, is beaten
Open electromagnetic valve automatically controls gas circuit by solenoid valve, through gas circuit to air clutch and is allowed to separate, cutting power input, meanwhile,
Through another gas circuit to sand brake cylinder, brake ribbon is pushed to embrace Sha Che Grains, pumping work by sand brake cylinder
Tool stops uplink.To reach warning, anti-collision improves efficiency purpose.
As shown in Fig. 2, the magnetizer 1 includes rectifier bridge, capacitor and induction coil, the rectifier bridge includes diode
D21, diode D22, diode D23 and diode D24, the diode D21 and the diode D22 tie point be rectification
The tie point of the first end of bridge, the diode D22 and the diode D23 are the second end of rectifier bridge, the diode D23
Tie point with the diode D24 is the third end of rectifier bridge, the tie point of the diode D24 and the diode D21
For the 4th end of rectifier bridge；The alternating current cathode of 220V, 50Hz are respectively connected to select through the third end of switch S1 and rectifier bridge
One end of the ready position of switch S2, resistance R21, the other end of the resistance R21 are connected to rectifier bridge through indicator light LED1
First end, the 4th end of rectifier bridge are connected to the anode of AC power source, and switch S2 is selected to be connected to the first of rectifier bridge through capacitor C
End selects the position of magnetizing of switch S2 to be respectively connected to the pole N of resistance R22, one end of resistance R23 and the induction coil, institute
The pole S for stating induction coil is connected to the other end of the resistance R23 through diode D25, and the other end of the resistance R22 is through indicating
Lamp LED2 is connected to the pole S of the induction coil；The alternating current of 220V, 50Hz are charged by bridge rectifier to capacitor C.It will
Capacitor C is filled with DC high voltage 300V, then the induction coil electric discharge minimum to a resistance by selection switch S2.To shape
At high-intensitive, peak value pulse current, this current impulse generates a powerful magnetic field in induction coil, which makes to set
Hard magnetic material (wirerope) permanent magnetization in coil.
S1 is connected, S2 connects to be electrically charged rapidly on ready position, capacitor C, and voltage is up to 300V or so, opens when selection
It closes S2 to push when magnetizing position, capacitor C discharges to magnetizing coil, at this point, there is stronger electric current to flow through induction coil in circuit, makes
Wirerope in it is magnetized, and wherein D21~D24 is rectifier diode, and resistance R21 and indicator light LED1 composition capacitor charging refer to
Show that lamp, resistance R22 and indicator light LED2 composition magnetize discharge indicating lamp, resistance R23 and diode D25 as damping element, prevent
Generating oscillating current influences the effect that magnetizes.
The production of induction coil: enameled wire is wound on a coil rack made of nylon or bakelite, the number of turns is
3000~4000 circles or so select thicker conducting wire to reduce the D.C. resistance of coil as far as possible, and being typically chosen must 0.5~0.9mm
Enameled wire be advisable.
The magnetization method of wirerope: magnet-wire snare is magnetized a position in wirerope, be powered 1~2s.It magnetizes and finishes
Afterwards, upper positive negative flag is done at coil both ends, in order to avoid polarity reversal occur when next time magnetizes and cause signal errors.
It magnetizes the establishment of point (alarm point or deceleration point): being joined according to sand reel rotation speed and wirerope speed uplink etc.
Number determines alarm signal point position (magnetizing a little) on a steel cord, determines at 20 meters from steel cord ends.
As shown in figure 3, the magnetic induction switch 3 includes induction coil L, transistor, relay J, No.1 rectifier bridge and two
Number rectifier bridge, the No.1 rectifier bridge include diode D4, diode D5, diode D6 and diode D7, No. two rectifications
Bridge includes diode D8, diode D9, diode D10 and diode D11, and the negative sense electromotive force of the induction coil L is through capacitor
C1 is connected to positive pole, and positive electromotive force successively enters triode through resistance R8, swept resistance VR, resistance R9 and diode D1
The be of Q1 is tied, and the collector of the triode Q1 connects electricity after capacitor C2, diode D2, the base stage of triode Q2, resistance R11
One end of source cathode, the capacitor C2 is connected to positive pole through resistance R1, is connected to positive pole electricity through resistance R2 anotherly
Source anode (+EC), the collector of the triode Q2 is connected to positive pole through resistance R4；The base stage of the triode Q1 is through electricity
Resistance R10 is connected to power cathode, and the base stage of the triode Q1 is after resistance R3, resistance R5, the base stage of triode Q3 and resistance R12
It is connected to power cathode, the resistance R3 is connected in parallel with a capacitor C3, and the collector of the triode Q3 is through the relay J and resistance
R7 is connected to the first end of No.1 rectifier bridge, is connected in parallel with a capacitor C4 between the first end and third end of the No.1 rectifier bridge,
One diode D3 of the relay J parallel connection, the first end of the No.1 rectifier bridge are connected to positive pole, power supply through resistance R6
It is equipped with zener diode ZD1 between anode and GND, zener diode ZD2 is equipped between GND and power cathode；
In triode Q2In the phase inverter of composition, since resistance R2 directly meets the (+E on positive pole positive poleC), only
Reasonably select resistance R2, resistance R4 and triode Q2Amplification factor β2, so that it may so that triode Q2Stablize in saturation state,
By triode Q1In the phase inverter of composition, input is connect in triode Q2Collector, as triode Q2Work is in saturation state
When, VC2=VCES=0.3V, in triode Q1Base stage, resistance R10 connects (- Ec=-10V) with power cathode, thus from 0.3V to
Power cathode -10V interlaminated resistance R3 and resistance R10, the result of the two electric resistance partial pressures make triode Q1Base potential be negative,
Lower than the current potential (0V) of emitter, therefore triode Q1 pipe must end, VC1=+Ec (+15V or so) is at this point, circuit is in three poles
Pipe Q2Saturation, triode Q1The stable state of cut-off, if noninductive induction signal, this stable state can be maintained down always, this
Sample, the relay J in figure will not be acted, and during stable state, positive pole+Ec is through R1 → C2 → D2 → b2→ GND is to capacitor C2
Charging, is finally charged to V2C=+Ec-VBES=+Ec=15V；Induction coil L, which induces inductive signal, makes circuit be turned to temporary stable state,
When the wirerope for magnetic of substituting the bad for the good enters induction coil L, induction coil L induces the electromotive force of positive and negative both direction, and polarity is lower "+"
Upper "-", positive electromotive force enter triode Q1's by capacitor C6, resistance R8, slide rheostat VR, resistance R9, diode D1
Be knot, makes VB1Rise, VC1Decline, couples through capacitor C2, makes VB2Decline, VC2Rise, is coupled through resistance R3, capacitor C3, make VB1
The further up therefore following positive feedback of generation: inductive signal → VB1↑→VC1↓→VB2↓→VC2↑→VB1This process of ↑ → ...
Terminate quickly.Triode Q2Cut-off, triode Q are become by saturation1Saturation is become by cut-off, in this way, VC2Just by VCESIt is jumped on (about 0.3V)
It arrives: VC2=+Ec- (Ec-VBES)·R4/(R3+R4)≈+ECThis voltage of R4/ (R3+R4) is added on triode Q3Base stage makes
Triode Q3Saturation conduction, at this point, series connection is in triode Q3Relay J in collector loop is attracted, relay moving together contact
Closure connects control signal.Magnetic induction switch is non-mechanical contact magnetic approach switch, it is by Magnetic Sensor, electronic circuit
And output switch composition.When a little 2 induction regions for entering Magnetic Sensor that magnetize on wirerope export switch by magnetic fields
Signal.Magneto-receptive switch can identify Movement in Magnetic Field direction；Magnetic Sensor detects external influence magnetic field N-S extreme direction magnetic field
When zero passage, 2s is converted in switch motion.Magnetic field is in transition status when the static zero point, loses external magnetic field effect and automatically resets,
It is not converted when S-N extreme direction magnetic field zero passage.
As shown in Figure 4 and Figure 5, shown control device includes control circuit and anti-collision gas circuit, and the control circuit includes rotation
Button switch SA1, relay KA1, relay KA2, time relay KT, indicator light HL and buzzer HA, the relay KA1's
One end of normally opened contact KA1-1 is connected to positive pole, and the other end is connected to power cathode through the relay KA1 coil, described
The close switch SQ of the normally opened contact KA1-1 of a relay KA1 magnetic induction in parallel；The normally opened contact KA2-1 of the relay KA1
One end be connected to positive pole, the other end is connected to power cathode through the indicator light HL respectively, connects through the buzzer HA
Be connected to power cathode, one end of the normally opened contact KA3-1 of the relay KA1 is connected to positive pole, the other end through it is described when
Between the coil of relay KT be connected to power cathode；One end of normally opened contact of the time relay KT is connected to positive pole, another
Coil of the end through the relay KA2 is connected to power cathode, and one end of normally opened contact of the relay KA2 is connected to positive pole,
The other end is connected to power cathode through the coil QA1 of solenoid valve, and the power supply load side of the control circuit is equipped with rotary switch SA1,
The anti-collision gas circuit includes that No.1 is normally closed normally closed after air valve 42 and shuttle valve after air valve 41, two, and the executing agency 5 includes brake
Cylinder, air clutch, it is normally closed after air valve 41 that the solenoid valve through shuttle valve signal is connected to the No.1, the No.1 it is normally closed after
41 air circuit connection of air valve to the brake cylinder, the brake cylinder pushes brake strap to make sand reel by brake strap locking；The electricity
Magnet valve signal be connected to described No. two it is normally closed after air valve 42, described No. two it is normally closed after air valve 42 through quick release valve air circuit connection to described
Air clutch.
When rotary switch SA1 is closed, 24V power supply is connected in contact 1~3, when magnetic induction is closed close to switch SQ, contact 3
~5 connect, and the coil of relay KA1 obtains electric, normally opened contact KA1-1 closure, self-locking.Normally opened contact KAI-2 closure, which is connected, makes 3
~7, indicator light HL lamp is bright at this time, buzzer HA obtains electric sending warning note, reminds manipulator.Normally opened contact KA1-3 closure, connects
Logical 3~9, time relay KT coil obtains electric and starts timing, when the delay moving together contact for arriving setting time time relay KT
When closure, 1~11 is connected, and the coil of relay KA2 obtains electric, and the normally opened contact KA2-1 of relay KA2 closure connects 3~13,
Coil QA1 obtains electric, the coil actuation of solenoid valve, opens or closes control gas circuit, controls solenoid valve when time relay KT passes through
When controlling the first gas circuit and connecting, normally closed after air valve 41, normally closed to be opened after air valve 41, air pressure entrance that gas circuit by shuttle valve enters No.1
Sand brake cylinder, brake cylinder push brake strap to make sand reel by brake strap locking；Time relay KT passes through control electricity
When magnet valve controls the connection of the second gas circuit, first is normally opened normally closed after the unlatching of air valve 42 after the closing of air valve 41, second, and quick release valve is opened,
Air clutch is deflated, and clutch is separated；When rotary switch SA1 is closed, air-operated solenoid valve is powered off, valve core reset, and gas circuit is extensive
Multiple normality.
Alarm intensity of sound is greater than 120 decibels.
A kind of working principle of sand reel automatic alarm anticollision system are as follows:
The magnetic induction switch 3 is mounted at the top dead centre of sand reel wirerope, and the magnetizer 1 is to sand reel
Described magnetize on wirerope a little 2 is magnetized, when it is described magnetize a little 2 go upward to top dead centre when, the magnetic induction switch 3 detects institute
State magnetize a little 2 magnetic signal, and magnetic signal is converted into electric signal, is sent to the combined aural and visual alarm alarm of executing agency 5, prompts
Manipulator slows down and brakes；If manipulator does not hear, the time relay is acted after the time relay is delayed 10 seconds, the tenth second, is beaten
Open electromagnetic valve automatically controls gas circuit by solenoid valve, through gas circuit to air clutch and is allowed to separate, cutting power input, meanwhile,
Through another gas circuit to sand brake cylinder, brake ribbon is pushed to embrace Sha Che Grains, pumping work by sand brake cylinder
Tool stops uplink, to reach warning, anti-collision improves efficiency purpose.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (9)
1. a kind of sand reel automatic alarm anticollision system, it is characterised in that: including magnetizer (1), magnetize point (2), magnetic strength
Inductive switch (3), control device (4) and executing agency (5),
The magnetic induction switch (3) is mounted at the top dead centre of sand reel wirerope, and the magnetizer (1) is to sand reel
The point (2) that magnetizes on wirerope magnetizes, and when the point (2) that magnetizes goes upward to top dead centre, the magnetic induction switch (3) is visited
After the magnetic signal for measuring point (2) of magnetizing, signal is passed to the control device (4), control device (4) signal connects
The executing agency (5) are connected to, and control the alarm equipment alarm of the executing agency (5), if the operation hand brake, the execution
Mechanism (5) does not reoperate；If manipulator does not brake, the control device (4) controls executing agency (5) automatic brake
Vehicle.
2. a kind of sand reel automatic alarm anticollision system according to claim 1, it is characterised in that: described to magnetize a little
It (2) is not less than 20m to the distance of pumping tool.
3. a kind of sand reel automatic alarm anticollision system according to claim 1, it is characterised in that: the magnetic induction is opened
It closes the distance of (3) apart from wirerope and is not more than 60mm.
4. a kind of sand reel automatic alarm anticollision system according to claim 1, it is characterised in that: the magnetizer
It (1) include rectifier bridge, capacitor and induction coil, the rectifier bridge is by diode D21, diode D22, diode D23 and two poles
The tie point of pipe D24 composition, the diode D21 and the diode D22 are the first end of the rectifier bridge, the diode
The tie point of D22 and the diode D23 are the second end of the rectifier bridge, the diode D23 and the diode D24's
Tie point is the third end of the rectifier bridge, and the tie point of the diode D24 and the diode D21 are the rectifier bridge
4th end；The third end of the rectifier bridge is respectively connected to one end of the ready position of selection switch S2, resistance R21, the electricity
The other end of resistance R21 is connected to the first end of the rectifier bridge through indicator light LED1, and the 4th end of the rectifier bridge is connected to electricity
Source anode, the selection switch S2 are connected to the first end of the rectifier bridge, the position of magnetizing of the selection switch S2 through capacitor C
It is respectively connected to the pole N of resistance R22, one end of resistance R23 and the induction coil, the pole S of the induction coil is through diode
D25 is connected to the other end of the resistance R23, and the other end of the resistance R22 is connected to the line of induction through indicator light LED2
The load side of the pole S of circle, power supply is equipped with switch S1.
5. a kind of sand reel automatic alarm anticollision system according to claim 1, it is characterised in that: the magnetic induction is opened
Closing (3) includes induction coil L, transistor, relay J, No.1 rectifier bridge and No. two rectifier bridges, and the No.1 rectifier bridge includes two
Pole pipe D4, diode D5, diode D6 and diode D7, No. two rectifier bridges include diode D8, diode D9, diode
The negative sense electromotive force of D10 and diode D11, the induction coil L are connected to positive pole through capacitor C1, and positive electromotive force is successively
Enter the be knot of triode Q1, the collector warp of the triode Q1 through resistance R8, swept resistance VR, resistance R9 and diode D1
Power cathode is connected after capacitor C2, diode D2, the base stage of triode Q2, resistance R11, one end of the capacitor C2 is through resistance R1
It is connected to positive pole, the other end is connected to positive pole through resistance R2, and the collector of the triode Q2 is connected through resistance R4
To positive pole；The base stage of the triode Q1 is connected to power cathode through resistance R10, and the base stage of the triode Q1 is through resistance
R3, resistance R5, the base stage of triode Q3 and resistance R12 are followed by power cathode, and the resistance R3 is connected in parallel with a capacitor C3, described
The collector of triode Q3 is connected to the first end of the No.1 rectifier bridge, the No.1 rectification through the relay J, resistance R7
C4, relay J diode D3 in parallel, the No.1 rectification are connected in parallel with a capacitor between the first end and third end of bridge
The first end of bridge is connected to positive pole through resistance R6, and zener diode ZD1, GND and power supply are equipped between positive pole and GND
Zener diode ZD2 is equipped between cathode.
6. a kind of sand reel automatic alarm anticollision system according to claim 1, it is characterised in that: the control device
(4) circuit include rotary switch SA1, relay KA1, relay KA2, time relay KT, indicator light HL, buzzer HA and
Solenoid valve, one end of the normally opened contact KA1-1 of the relay KA1 are connected to positive pole, and the other end is through the relay KA1
Coil be connected to power cathode, the normally opened contact KA1-1 of a relay KA1 magnetic induction in parallel is close to switch SQ；It is described
One end of the normally opened contact KA2-1 of relay KA1 is connected to positive pole, and the other end is connected to electricity through the indicator light HL respectively
Source cathode is connected to power cathode through the buzzer HA；One end of the normally opened contact KA3-1 of the relay KA1 is connected to
Positive pole, the other end are connected to power cathode, the normally opened touching of the time relay KT through the coil of the time relay KT
One end of point is connected to positive pole, and the other end is connected to power cathode through the coil of the relay KA2, and the relay KA2's is normal
It opens one end of contact and is connected to positive pole, the other end is connected to power cathode through the coil QA1 of solenoid valve, the control device (4)
Circuit power load side is equipped with rotary switch SA1.
7. a kind of sand reel automatic alarm anticollision system according to claim 6, it is characterised in that: the control device
(4) anti-collision gas circuit include No.1 it is normally closed after air valve (41), No. two it is normally closed after air valve (42) and shuttle valve, the executing agency (5)
Including brake cylinder, air clutch, it is normally closed after air valve (41) that the solenoid valve through shuttle valve signal is connected to the No.1, described
No.1 is normally closed after air valve (41) air circuit connection to the brake cylinder, and the brake cylinder pushes brake strap to make sand reel by brake strap
Locking；The solenoid signal be connected to described No. two it is normally closed after air valve (42), described No. two normally closed to be put fastly after air valve (42)
Valve air circuit connection is to the air clutch.
8. a kind of sand reel automatic alarm anticollision system according to claim 1, it is characterised in that: the alarm is
Combined aural and visual alarm.
9. a kind of sand reel automatic alarm anticollision system according to claim 1, it is characterised in that: the alarm
Intensity of sound is greater than 120 decibels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820664100.8U CN208240210U (en) | 2018-05-07 | 2018-05-07 | A kind of sand reel automatic alarm anticollision system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820664100.8U CN208240210U (en) | 2018-05-07 | 2018-05-07 | A kind of sand reel automatic alarm anticollision system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208240210U true CN208240210U (en) | 2018-12-14 |
Family
ID=64582083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820664100.8U Expired - Fee Related CN208240210U (en) | 2018-05-07 | 2018-05-07 | A kind of sand reel automatic alarm anticollision system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208240210U (en) |
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2018
- 2018-05-07 CN CN201820664100.8U patent/CN208240210U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181214 Termination date: 20190507 |