CN105865761A - Vibrating screen fault detection device and stem block excavator - Google Patents
Vibrating screen fault detection device and stem block excavator Download PDFInfo
- Publication number
- CN105865761A CN105865761A CN201510037268.7A CN201510037268A CN105865761A CN 105865761 A CN105865761 A CN 105865761A CN 201510037268 A CN201510037268 A CN 201510037268A CN 105865761 A CN105865761 A CN 105865761A
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- vibrosieve
- excavator
- stem block
- failure detector
- observation circuit
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Abstract
The present invention discloses a vibrating screen fault detection device which is used for a stem block excavator. The device comprises a proximity sensor, a monitoring circuit and a fault indication device. The proximity sensor is arranged at the vibrating screen, the distance between the chain of the vibrating screen and the proximity sensor is converted to corresponding electrical signals, and the monitoring circuit is configured to control the switching of the fault indication device according to the electrical signals. Therefore, the vibrating screen fault detection device is able to detect the fault of the vibrating screen and prompt the occurrence of faults so as to reduce the probability of continuous work of the vibrating screen in the faults and ensure the safety of the stem block excavator. Besides, the present invention further discloses a stem block excavator including the vibrating screen fault detection device.
Description
Technical field
The present invention relates to failure detector technical field, particularly relate to the event of a kind of vibrosieve
Barrier detection device and stem block excavator.
Background technology
Stem block excavator is a kind of auxiliary harvesting tool of farmland operation, can be effectively improved results
Efficiency, saves the time, saves manpower.Current stem block excavator is fitted without detecting vibrosieve
Device, when carrying out farmland operation, when vibrosieve breaks down, if can not find in time
And process, the work efficiency of results can be affected, time serious, also result in the damage of parts.
Summary of the invention
It is an object of the invention to provide the failure detector of a kind of vibrosieve, be used for detecting vibration
Whether sieve exists fault.Additionally, the purpose of the present invention also provides for a kind of stem block comprising this device
Excavator.
For solving above-mentioned technical problem, the present invention provides the failure detector of a kind of vibrosieve,
For stem block excavator, including: proximity transducer, observation circuit and accident indicator；
Described proximity transducer is arranged at stem block excavator vibrosieve, for by described vibrosieve
The chain distance away from described proximity transducer be converted to the corresponding signal of telecommunication；
Described observation circuit is connected with described proximity transducer, is used for monitoring the described signal of telecommunication, and
The break-make of described accident indicator is controlled according to the described signal of telecommunication；
Described accident indicator is connected with described observation circuit, breaks down for prompting.
Preferably, described observation circuit is arranged at described vibrosieve frame, described indicating fault
Device is arranged at the driver's cabin of described stem block excavator.
Preferably, also include: cable and adapter；
Wherein, the two ends of described cable are provided with described adapter, and described accident indicator leads to
Cross described adapter and cable to be connected with described observation circuit.
Preferably, described proximity transducer is inductive proximity sensor.
Preferably, described accident indicator includes: light emitting diode and current-limiting resistance；
The positive pole of described light emitting diode is connected with power supply, the negative pole of light emitting diode and described limit
Leakage resistance connects.
Preferably, described observation circuit includes: NE555 integration module and peripheral circuit；
The input of described peripheral circuit is connected with the outfan of described inductive proximity sensor；
Described NE555 integration module is connected with described peripheral circuit, its output pin and described limit
Leakage resistance connects；
In the case of described inductive proximity sensor output pulse signal, described NE555 collection
Become the output pin output high level signal of module；Otherwise, described NE555 integration module is defeated
Go out pin output low level signal.
Preferably, described power supply is the power supply of stem block excavator.
A kind of stem block excavator, including: driver's cabin, frame, digger blade and vibrosieve, also wrap
Include the failure detector of vibrosieve as described above.
The failure detector of vibrosieve provided by the present invention, by arranging proximity transducer
At vibrosieve, when the metal bracelet of vibrosieve is periodically closer or far from proximity transducer,
Proximity transducer can export the corresponding signal of telecommunication, and observation circuit controls fault according to this signal of telecommunication
Switching on and off of instruction device.Therefore the failure detector of this vibrosieve can not only detect
It has the fault of vibrosieve to point out and break down, thus reduce vibrosieve at failed trunk
The probability of continuous operation, it is ensured that the safety of stem block excavator.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention, will use required in embodiment below
Accompanying drawing do simple introduction, it should be apparent that, the accompanying drawing in describing below is only the present invention
Some embodiments, for those of ordinary skill in the art, do not paying creative work
On the premise of, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
The structure chart of the failure detector of a kind of vibrosieve that Fig. 1 provides for the present invention；
The structure chart of the failure detector of the another kind of vibrosieve that Fig. 2 provides for the present invention；
The structure chart of the failure detector of the another kind of vibrosieve that Fig. 3 provides for the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, to the technical side in the embodiment of the present invention
Case is clearly and completely described, it is clear that described embodiment is only the present invention one
Divide embodiment rather than whole embodiment.Based on the embodiment in the present invention, this area is common
Technical staff under not making creative work premise, the every other embodiment obtained,
Broadly fall into scope.
The core of the present invention is to provide the failure detector of a kind of vibrosieve, further, it would be desirable to provide one
Plant the stem block excavator comprising this device.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with the accompanying drawings
The present invention is described in further detail with detailed description of the invention.
Embodiment one
A kind of failure detector of vibrosieve, for stem block excavator, including: close to sensing
Device, observation circuit and accident indicator；
Described proximity transducer is arranged at stem block excavator vibrosieve, for by described vibrosieve
The chain distance away from described proximity transducer be converted to the corresponding signal of telecommunication；
Described observation circuit is connected with described proximity transducer, is used for monitoring the described signal of telecommunication, and
The break-make of described accident indicator is controlled according to the described signal of telecommunication；
Described accident indicator is connected with described observation circuit, breaks down for prompting.
The structure chart of the failure detector of a kind of vibrosieve that Fig. 1 provides for the present invention.Stem block
Excavator is when normal operation, under the promotion of the driving wheel of vibrosieve, in work surface up-down vibration.
Proximity transducer 10 is arranged at the vibrosieve of stem block excavator, in vibrosieve work process,
The metal bracelet of vibrosieve is periodically closer or far from proximity transducer 10.At certain distance model
In enclosing, the chain of the vibrosieve distance away from himself can be converted to telecommunications by proximity transducer 10
Number output.
Observation circuit 11 is connected with proximity transducer 10, it is possible to obtains proximity transducer 10 and exports
The signal of telecommunication, after observation circuit 11 gets the signal of telecommunication, according to this signal of telecommunication control fault refer to
The break-make of showing device 12.When observation circuit 11 controls accident indicator 12 according to the signal of telecommunication
During connection, then show that current vibration sieve breaks down；When observation circuit 11 is according to signal of telecommunication control
When accident indicator 12 disconnects, then show the normal work of current vibration sieve.Staff is permissible
Judge that current vibration sieve the most normally works by accident indicator 12.
The failure detector of the vibrosieve that the present embodiment provides, by arranging proximity transducer
At vibrosieve, when the metal bracelet of vibrosieve is periodically closer or far from proximity transducer,
Proximity transducer can export the corresponding signal of telecommunication, and observation circuit controls fault according to this signal of telecommunication
Switching on and off of instruction device.Therefore the failure detector of this vibrosieve can not only detect
It has the fault of vibrosieve to point out and break down, thus reduce vibrosieve at failed trunk
The probability of continuous operation, it is ensured that the safety of stem block excavator.
Periodic closer or far from proximity transducer described in the present embodiment, this cycle is not
There is concrete restriction, need the parameter according to vibrosieve to set.
As one preferred embodiment, described observation circuit is arranged at described vibrosieve frame
Place, described accident indicator is arranged at the driver's cabin of described stem block excavator.
Due to stem block excavator operationally, staff operates at driver's cabin, by fault
Instruction device is arranged at driver's cabin, and when vibrosieve breaks down, staff is at driver's cabin just
It can be seen that the prompting of fault cues device 12.Observation circuit 11 needs proximity transducer 10
The signal of telecommunication of output is monitored, and circuit is complex, if testing circuit 11 and close sensing
Device 10 away from too far away, then layout scope is relatively big, and the connecting line of needs is the longest, is unfavorable for letter
Number transmission, be also easily damaged.
It should be noted that observation circuit is arranged at vibrosieve frame, indicating fault is filled
Install be placed in the driver's cabin of stem block excavator be one preferred embodiment, only represent
There is this kind of embodiment.
Embodiment two
On the basis of embodiment one, the failure detector of vibrosieve, also include: cable and
Adapter；
Wherein, the two ends of described cable are provided with described adapter, and described accident indicator leads to
Cross described adapter and cable to be connected with described observation circuit.
The structure chart of the failure detector of the another kind of vibrosieve that Fig. 2 provides for the present invention.By
In the present embodiment and the proximity transducer of embodiment one, observation circuit and the work of accident indicator
Make principle identical, the most only explanation cable and the concrete connected mode of adapter.
In being embodied as, dismounting for convenience, accident indicator 12 can pass through cable
13 and adapter 14 be connected with observation circuit 11.The two ends of cable 13 have adapter 14.
When mounted, the adapter 14 of cable 13 one end is connected with accident indicator 12, another
The adapter 14 of end is connected with observation circuit 11.
The present embodiment, on the basis of embodiment one, adds cable and adapter, and the two is permissible
Accident indicator and observation circuit are connected, it is simple to installation and removal.
Embodiment three
On the basis of embodiment one, as the most described proximity transducer of one
For inductive proximity sensor.
The structure chart of the failure detector of the another kind of vibrosieve that Fig. 3 provides for the present invention.As
Shown in Fig. 3, the pin 3 of inductive proximity sensor 30 is connected with power supply VCC, pin 1
Ground connection, pin 2 is as the outfan of inductive proximity sensor 30.Inductive proximity sensor
30 according to the metal bracelet of vibrosieve periodically near and away from mode, the corresponding electricity of output
Signal, is transmitted the signal of telecommunication to observation circuit 11 by pin 2.
As one preferred embodiment, described accident indicator includes: light emitting diode
And current-limiting resistance；
The positive pole of described light emitting diode is connected with power supply, the negative pole of light emitting diode and described limit
Leakage resistance connects.
As it is shown on figure 3, accident indicator 12 includes: light emitting diode D1 and a current limliting
Resistance R4.The positive pole of light emitting diode D1, is connected with power supply VCC, light emitting diode D1
Negative pole be connected with current-limiting resistance R4, the other end of current-limiting resistance R4 and observation circuit 11 are even
Connect.
Use light emitting diode and current-limiting resistance little as accident indicator power consumption, can save
Cost.
As one preferred embodiment, described observation circuit includes: NE555 integration module
And peripheral circuit；
The input of described peripheral circuit is connected with the outfan of described inductive proximity sensor；
Described NE555 integration module is connected with described peripheral circuit, its output pin and described limit
Leakage resistance connects；
In the case of described inductive proximity sensor output pulse signal, described NE555 collection
Become the output pin output high level signal of module；Otherwise, described NE555 integration module is defeated
Go out pin output low level signal.
As it is shown on figure 3, observation circuit 11 includes NE555 integration module 31 and peripheral circuit
32.One end of resistance R1 is as input and the inductive proximity sensor 30 of peripheral circuit 32
Outfan connect, the other end of resistance R1 is connected with audion Q1.
Vibrosieve metal bracelet periodically near and away from inductive proximity sensor 30
Time, inductive proximity sensor 30 output pulse signal is in the case of high level signal, logical
Crossing audion Q1 to discharge delay capacitor C1, the pin 3 of NE555 integration module 30 exports
High level signal.Owing to the positive pole of light emitting diode D1 is connected with power supply VCC, current-limiting resistance
The pin 3 of R4 with NE555 integration module 30 is connected, and therefore light emitting diode D1 is in and cuts
Only state, light emitting diode D1 is the most luminous, i.e. vibrosieve is in normal work.Inductance type connects
Nearly sensor 30 output is pulse signal, when low level signal, and the end of delay capacitor C1
Voltage, when not less than 2/3VCC, becomes again high level signal.As long as therefore inductance type is close
Sensor 30 output pulse signal, light emitting diode D1 is in cut-off state.
When vibrosieve breaks down, vibrosieve cannot periodically near and connect away from inductance type
Nearly sensor 30, therefore inductive proximity sensor 30 output low level signal, now, three
Pole pipe Q1 is in cut-off state, and delay capacitor C1 charges, when its terminal voltage is more than 2/3VCC
Time, the pin 3 output low level signal of NE555 integration module 30.Due to light emitting diode
The positive pole of D1 is connected with power supply VCC, drawing of current-limiting resistance R4 and NE555 integration module 30
Foot 3 connects, and therefore light emitting diode D1 is in the conduction state, and light emitting diode D1 is lit,
During i.e. vibrosieve is in fault.
As one preferred embodiment, described power supply is the power supply of stem block excavator.
Owing to the failure detector of vibrosieve is the detection vibrosieve when stem block excavator works
Fault, therefore can be using the power supply of stem block excavator as the failure detector of vibrosieve
Power supply, powers for inductive proximity sensor, observation circuit and light emitting diode.
The present embodiment chooses each of the failure detector that power supply is vibrosieve of stem block excavator
Individual parts are powered, and do not have and additionally increase power supply, can be cost-effective, reduce components and parts.
Embodiment four
A kind of stem block excavator, including: driver's cabin, frame, digger blade and vibrosieve, also wrap
Include the failure detector of vibrosieve as described in the various embodiments described above.
Owing to embodiment one to embodiment three has been described in detail the fault detect dress of vibrosieve
Put, wouldn't repeat here.Staff is driving the kinestate of in-house operation stem block excavator,
And control the excavation direction of digger blade and dynamics, after digger blade digs out crops, by farming
Thing is placed in vibrosieve, and vibrosieve is shaked off by vibration, the earth that will be attached on crops,
Thus complete the results of crops.
Failure detector and stem block excavator to vibrosieve provided by the present invention enter above
Go and be discussed in detail.Principle and the embodiment of the present invention are entered by specific case used herein
Having gone elaboration, the explanation of above example is only intended to help to understand method and the core thereof of the present invention
Thought is thought.It should be pointed out that, for those skilled in the art, without departing from
On the premise of the principle of the invention, it is also possible to the present invention is carried out some improvement and modification, these change
Enter and modify in the protection domain also falling into the claims in the present invention.
Claims (8)
1. a failure detector for vibrosieve, for stem block excavator, it is characterised in that
Including: proximity transducer, observation circuit and accident indicator；
Described proximity transducer is arranged at stem block excavator vibrosieve, for by described vibrosieve
The chain distance away from described proximity transducer be converted to the corresponding signal of telecommunication；
Described observation circuit is connected with described proximity transducer, is used for monitoring the described signal of telecommunication, and
The break-make of described accident indicator is controlled according to the described signal of telecommunication；
Described accident indicator is connected with described observation circuit, breaks down for prompting.
The failure detector of vibrosieve the most according to claim 1, it is characterised in that
Described observation circuit is arranged at described vibrosieve frame, and described accident indicator is arranged at institute
State the driver's cabin of stem block excavator.
The failure detector of vibrosieve the most according to claim 1, it is characterised in that
Also include: cable and adapter；
Wherein, the two ends of described cable are provided with described adapter, and described accident indicator leads to
Cross described adapter and cable to be connected with described observation circuit.
The failure detector of vibrosieve the most according to claim 1, it is characterised in that
Described proximity transducer is inductive proximity sensor.
The failure detector of vibrosieve the most according to claim 4, it is characterised in that
Described accident indicator includes: light emitting diode and current-limiting resistance；
The positive pole of described light emitting diode is connected with power supply, the negative pole of light emitting diode and described limit
Leakage resistance connects.
The failure detector of vibrosieve the most according to claim 5, it is characterised in that
Described observation circuit includes: NE555 integration module and peripheral circuit；
The input of described peripheral circuit is connected with the outfan of described inductive proximity sensor；
Described NE555 integration module is connected with described peripheral circuit, its output pin and described limit
Leakage resistance connects；
In the case of described inductive proximity sensor output pulse signal, described NE555 collection
Become the output pin output high level signal of module；Otherwise, described NE555 integration module is defeated
Go out pin output low level signal.
7. according to the failure detector of the vibrosieve described in claim 5 or 6, its feature
Being, described power supply is the power supply of stem block excavator.
8. a stem block excavator, including: driver's cabin, frame, digger blade and vibrosieve,
It is characterized in that, also include that the fault of the vibrosieve as described in claim 1-7 any one is examined
Survey device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510037268.7A CN105865761A (en) | 2015-01-23 | 2015-01-23 | Vibrating screen fault detection device and stem block excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510037268.7A CN105865761A (en) | 2015-01-23 | 2015-01-23 | Vibrating screen fault detection device and stem block excavator |
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| Publication Number | Publication Date |
|---|---|
| CN105865761A true CN105865761A (en) | 2016-08-17 |
Family
ID=56623502
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510037268.7A Pending CN105865761A (en) | 2015-01-23 | 2015-01-23 | Vibrating screen fault detection device and stem block excavator |
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|---|---|---|---|---|
| CN2089041U (en) * | 1991-03-30 | 1991-11-20 | 孟宪东 | Touch type self illuminating lock for door |
| CN201616026U (en) * | 2010-03-12 | 2010-10-27 | 西安锦程振动科技有限责任公司 | Monitoring and maintaining system for vibrating screen |
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| US20140262975A1 (en) * | 2013-03-15 | 2014-09-18 | Michael McGrath, JR. | Backing screen panels for vibrating screen separator |
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