CN206485925U - A kind of sandstone conveying device - Google Patents
A kind of sandstone conveying device Download PDFInfo
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- CN206485925U CN206485925U CN201720079263.5U CN201720079263U CN206485925U CN 206485925 U CN206485925 U CN 206485925U CN 201720079263 U CN201720079263 U CN 201720079263U CN 206485925 U CN206485925 U CN 206485925U
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- coupled
- sandstone
- signal
- pressure
- conveyer belt
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Abstract
The utility model discloses a kind of sandstone conveying device, it is arranged between drying oven and sandstone filter, the motor being connected including frame and the conveyer belt being arranged in frame, driving shaft, driven shaft with driving shaft, motor connection has automatic start-stop device, and the automatic start-stop device includes, detection unit, it is arranged on driving shaft or driven shaft, for detecting that conveyer belt, to driving shaft or the pressure of driven shaft, judges whether there is sandstone on conveyer belt, and output pressure detection signal；Control unit, is coupled to the detection unit, for receiving and responding to the pressure detecting signal, with the start and stop of controlled motor；And power subsystem, for providing operating voltage for the automatic start-stop device.The utility model detects that conveyer belt, to driving shaft or the pressure of driven shaft, judges whether there is sandstone on conveyer belt, in the start and stop with control unit controlled motor, effectively prevent the waste of electric energy by setting automatic start-stop device by detection unit.
Description
Technical field
The utility model is related to, more specifically, it relates to a kind of sandstone conveying device.
Background technology
It is the important step in building trade sandstone to be transported to drying is carried out in drying oven, at present, typically all using such as
Under mode sandstone is transported in drying oven：Sandstone raw material is transported in filter, in the presence of filter,
Impurity in sandstone raw material is filtered, and dropping the sandstone after filtering by elevator is transported in drying oven.
But sandstone raw material is not to be continuously admitted in filter, is carried so being fallen into from filter
Sandstone of the machine of liter after filtering also will not continually, therefore, when the sandstone not after filtering needs elevator to convey,
The unlatching of elevator has resulted in certain waste of energy, and goes switch to seem pretty troublesome manually.
Therefore need to propose a kind of new scheme to solve this problem.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of sandstone conveying device, pass through
Set automatic start-stop device, by detection unit detect conveyer belt to driving shaft or the pressure of driven shaft, judge be on conveyer belt
It is no to have sandstone, in the start and stop with control unit controlled motor, it effectively prevent the waste of electric energy.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of sandstone conveying dress
Put, be arranged between drying oven and sandstone filter, including frame and be arranged in frame conveyer belt, driving shaft, from
The motor that moving axis is connected with driving shaft, motor connection has automatic start-stop device, and the automatic start-stop device includes, and detection is single
Member, is arranged on driving shaft or driven shaft, for detecting conveyer belt to driving shaft or the pressure of driven shaft, judge be on conveyer belt
It is no to have sandstone, and output pressure detection signal；Control unit, is coupled to the detection unit, described for receiving and responding to
Pressure detecting signal, with the start and stop of controlled motor；And power subsystem, for providing work electricity for the automatic start-stop device
Pressure.
By using above-mentioned technical proposal, by motor connection automatic start-stop device, by being arranged on driving shaft or driven
Detection unit on axle, detection conveyer belt is to driving shaft or the pressure of driven shaft, so as to judge that output takes and whether had
The sandstone of conveying, and output pressure detects signal, then control unit receives and responds to the pressure detecting signal, controlled motor
Start and stop, when not having sandstone conveying on conveyer belt, then the pressure detecting signal that control unit is exported according to detection unit is controlled
Motor is stopped, it is to avoid the waste of electric energy.
The utility model is further arranged to：The hopper for containing sandstone, the hopper are provided with the conveyer belt
It is arranged in parallel, and is in contact with the conveyer belt with the driving shaft.
By using above-mentioned technical proposal, it is provided for containing the hopper of sandstone on the conveyor belt, can causes from sandstone
The sandstone that filter exports out is dropped in the hopper on conveyer belt, and hopper is in contact with conveyer belt, it is ensured that sandstone is not
It can be slipped down from conveyer belt, will all be transported in drying oven, and improve the transfer efficiency of sandstone.
The utility model is further arranged to：The frame is provided with dust cover.
By using above-mentioned technical proposal, dust cover is set in frame, sandstone can be avoided to be produced in course of conveying
Excessive dust, influences environment.
The utility model is further arranged to：The dust cover is provided with multiple unlatching doors.
By using above-mentioned technical proposal, multiple unlatching doors are set on dust cover, can be by opening opening for specified location
Qi Men, is observed the position or conveniently the conveyer belt of the position is cleared up, and do not influence the dust-proof of other positions
Function.
The utility model is further arranged to：The detection unit includes pressure sensor, and the pressure sensor is set
In driving shaft or driven shaft surface, the pressure sensor is coupled with control unit, and output pressure detection signal.
The utility model is further arranged to：Described control unit according to the start and stop of pressure detecting signal controlled motor, when
After the pressure detecting signal of pressure sensor output is less than preset value and predetermined hold-time, control unit starts motor.
The utility model is further arranged to：Described control unit includes, comparison circuit, is coupled to the detection unit,
A comparison signal is exported for the pressure detecting signal received to be compared with preset value；Anti-clutter circuit, is coupled to described
Comparison circuit, for controlling OFF signal according to the situation of change output one of comparison signal in the scheduled time；On-off circuit, is coupled to institute
Anti-clutter circuit is stated, for according to the break-make between control OFF signal controlled motor and power subsystem.
The utility model is further arranged to：The comparison circuit includes, reference voltage generating circuit, with one first electricity
Resistance, its one end is coupled to the second direct current, and the other end is grounded after being connected with a second resistance；Wherein, from first resistor and second
The reference voltage is produced between resistance；Comparator, it is described with an in-phase input end, an inverting input and an output end
In-phase input end is coupled to the output end of pressure sensor, and inverting input is coupled to reference voltage, and output end output one is compared
Signal.
The utility model is further arranged to：The anti-clutter circuit includes, delay circuit, and its input is coupled to described
The output end of comparison circuit simultaneously exports a delay comparison signal；With door, with two inputs and an output end, it is first defeated
Enter end and the output end of delay circuit is coupled, the output end of the second input and comparison circuit is coupled, the output control of its output end is closed
Signal.
The utility model is further arranged to：The on-off circuit includes, NPN triode, its grounded emitter, and base stage is led to
Cross a 3rd resistor be coupled to the control OFF signal and by one the 4th resistance and emitter stage altogether；Relay, its coil one end
The first direct current is coupled to, the other end is coupled to the colelctor electrode of the NPN triode, and its normally opened contact switch is serially connected with power subsystem
Between motor；Diode, its negative electrode is coupled to first direct current, anode be coupled to the colelctor electrode of NPN triode with should be after
The tie point of the coil of electrical equipment.
In summary, the utility model has the advantages that：When sandstone filter has sandstone to deliver in transmission belt
When, transmission belt becomes big to the pressure of driving shaft or driven shaft, and the pressure detecting signal for causing pressure sensor to export becomes big, now
Pressure detecting signal is more than reference voltage, and comparator output high level is input to after delay circuit, delay predetermined time and exported,
If comparator output instantly is still high level, it is high level with the control OFF signal that door is exported, turns on NPN triode, relay
It is powered, inner-core adhesive normally opened contact switch turns on AC power and motor, and motor is started working；When sandstone filter
When not having the sandstone to deliver in transmission belt, transmission belt diminishes to the pressure of driving shaft or driven shaft, and now pressure detecting signal is less than
Reference voltage, comparator output low level, the then control OFF signal exported through anti-clutter circuit is also low level, it is impossible to turn on NPN
Triode, is disconnected AC power and motor, motor is stopped, it is to avoid the waste of electric energy.
Brief description of the drawings
Fig. 1 is structural representation one of the present utility model；
Fig. 2 is Fig. 1 A portions close-up schematic view；
Fig. 3 is circuit diagram of the present utility model；
Fig. 4 is the circuit diagram of power subsystem.
In figure：1st, frame；2nd, conveyer belt；3rd, driving shaft；4th, driven shaft；5th, motor；6th, control unit；7th, hopper；8th, prevent
Dust hood；81st, door is opened；9th, pressure sensor；10th, comparison circuit；11st, anti-clutter circuit；12nd, on-off circuit；13rd, reference voltage
Generative circuit；14th, drying oven；15th, sandrock filter.
Embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
A kind of sandstone conveying device, as shown in Figure 1, Figure 2, Figure 3 shows, installed in drying oven 14 and sandstone filter 15 it
Between, including frame 1 is mounted with conveyer belt 2, driving shaft 3 and driven shaft 4 in frame 1, conveyer belt 2 be set in driving shaft 3 with from
Between moving axis 4, and the one end of conveyer belt 2 is in the top of the import of drying oven 14, and the other end is in what sandstone filter 15 was exported
Bottom, driving shaft 3 is connected with motor 5, and motor 5 is reducing motor, can have larger torque at the low rotational speed, it is ensured that conveying
It is stable；Hopper 7 is there is also mounted on conveyer belt 2, hopper 7 be arranged in parallel with driving shaft 3, and the side of hopper 7 is consolidated with conveyer belt 2
Fixed connection so that export sandstone out from sandstone filter 15 and drop in the hopper 7 on conveyer belt 2, to improve sandstone
Transfer efficiency；Dust cover 8 is installed in frame 1, and dust cover 8 is provided with multiple unlatching doors 81 so that can be by opening
The unlatching door 81 of specified location, is observed the position or conveniently the conveyer belt 2 of the position is cleared up, and do not influenceed
The dust reduction capability of other positions dust cover 8.
Motor 5 is connected with automatic start-stop device, and automatic start-stop device includes, and detection unit is arranged at driving shaft 3 or driven
On axle 4, for detecting that conveyer belt 2, to driving shaft 3 or the pressure of driven shaft 4, judges whether there is sandstone on conveyer belt 2, and export
Pressure detecting signal；Control unit 6, is coupled to detection unit, for receiving and responding to pressure detecting signal, with controlled motor
5 start and stop；And power subsystem, for providing operating voltage for automatic start-stop device.
In the utility model, power unit circuit figure passes through as shown in figure 4, its input is coupled to 220V AC powers
The first direct current Vout_1 is exported after rectification decompression filtering, first direct current Vout_1 is 12V；Second direct current Vout_2,
Second direct current Vout_2 is 5V, so that control unit 6 is used, in addition, directly being supplied from the input of power subsystem to motor 5
Electricity, the i.e. power supply of motor 5 are 220V AC powers.
Detection unit includes pressure sensor 9, and pressure sensor 9 is annular pressure sensor, and pressure sensor 9 is entrenched in
The surface of driving shaft 3, pressure sensor 9 is coupled with control unit 6, and output pressure detection signal.
The control unit 6 of detection unit is coupled to according to the start and stop of pressure detecting signal controlled motor 5, works as pressure sensor
After the pressure detecting signal of 9 outputs is less than preset value and predetermined hold-time, control unit 6 starts motor 5.
Control unit 6 of the present utility model includes comparison circuit 10, is coupled to detection unit, for by the pressure received
Detection signal exports a comparison signal compared with preset value；Anti-clutter circuit 11, is coupled to comparison circuit 10, for according to pre-
Fix time interior comparison signal situation of change output one control OFF signal；On-off circuit 12, is coupled to anti-clutter circuit 11, for root
According to the break-make between control OFF signal controlled motor 5 and power subsystem.
Wherein, comparison circuit 10 includes, reference voltage generating circuit 13, and with a first resistor R1, its one end is coupled to
Second direct current Vout_2, the other end is grounded after being connected with a second resistance R2；Wherein, from first resistor R1 and second resistance R2
Between produce reference voltage；Comparator A, with an in-phase input end, an inverting input and an output end, in-phase input end coupling
The output end of pressure sensor 9 is connected to, inverting input is coupled to reference voltage, and output end exports a comparison signal.Comparator A
For active voltage comparator, its power access end is coupled to the second direct current Vout_2, earth terminal ground connection.
Wherein, anti-clutter circuit 11 includes, delay circuit, and its input is coupled to the output end of comparison circuit 10 and output
One delay comparison signal；With door AND_1, with two inputs and an output end, its first input end and delay circuit
Output end is coupled, and the output end of the second input and comparison circuit 10 is coupled, its output end output control OFF signal.
Delay circuit can select the delay circuit being made up of 555 chips for core in the utility model, due to delay electricity
Road has been disclosed, and is prior art, and those skilled in the art should be understood its operation principle, no longer goes to live in the household of one's in-laws on getting married tell herein.
In addition, on-off circuit 12 includes, a NPN triode Q1, its grounded emitter, base stage passes through a 3rd resistor R3 couplings
Be connected to control OFF signal and by one the 4th resistance R4 and emitter stage altogether；One relay KM, it is straight that its coil one end is coupled to first
Electricity Vout_1 is flowed, the other end is coupled to the colelctor electrode of the NPN triode Q1, its normally opened contact switch is serially connected with power subsystem and electricity
Between machine 5；One diode D1, its negative electrode is coupled to first direct current Vout_1, and anode is coupled to the current collection of NPN triode Q1
Pole and the tie point of relay KM coil.
Operation principle of the present utility model is as follows：When sandstone filter 15 has sandstone to deliver in transmission belt 2, transmission belt
The pressure of 2 pairs of driving shafts 3 becomes big, and the pressure detecting signal for causing pressure sensor 9 to export becomes big, and now pressure detecting signal is big
In reference voltage, comparator A output high level is input to after delay circuit, delay predetermined time and exported, if comparator A instantly
Output is still high level, then the control OFF signal exported with door AND_1 is high level, turns on NPN triode Q1, and relay KM leads to
Electricity, inner-core adhesive normally opened contact switch S, conducting AC power and motor 5, motor 5 are started working；When sandstone filter
When 15 no sandstones are delivered in transmission belt 2, transmission belt 2 diminishes to the pressure of driving shaft 3, and now pressure detecting signal is less than reference
Voltage, comparator A output low levels, the then control OFF signal exported with door AND_1 is also low level, it is impossible to turn on NPN triode
Q1, is disconnected AC power and motor 5, motor 5 is stopped, it is to avoid the waste of electric energy.
It the above is only preferred embodiment of the present utility model, protection domain of the present utility model is not limited merely to above-mentioned
Embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.It should be pointed out that pair
For those skilled in the art, some improvements and modifications under the premise of the utility model principle is not departed from,
These improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of sandstone conveying device, is arranged on drying oven（14）With sandstone filter（15）Between, including frame（1）And
It is arranged on frame（1）On conveyer belt（2）, driving shaft（3）, driven shaft（4）With driving shaft（3）The motor being connected（5）, it is special
Levy and be：Motor（5）Automatic start-stop device is connected with, the automatic start-stop device includes,
Detection unit, is arranged at driving shaft（3）Or driven shaft（4）On, for detecting conveyer belt（2）To driving shaft（3）Or it is driven
Axle（4）Pressure, judge conveyer belt（2）On whether have a sandstone, and output pressure detection signal；
Control unit（6）, the detection unit is coupled to, for receiving and responding to the pressure detecting signal, to control electricity
Machine（5）Start and stop；
And power subsystem, for providing operating voltage for the automatic start-stop device.
2. a kind of sandstone conveying device according to claim 1, it is characterised in that：The conveyer belt（2）On be provided with use
In the hopper for containing sandstone（7）, the hopper（7）With the driving shaft（3）Be arranged in parallel, and with the conveyer belt（2）Connect
Touch.
3. a kind of sandstone conveying device according to claim 1, it is characterised in that：The frame（1）It is provided with dust cover
（8）.
4. a kind of sandstone conveying device according to claim 3, it is characterised in that：The dust cover（8）It is provided with multiple
Open door（81）.
5. a kind of sandstone conveying device according to claim 1, it is characterised in that：The detection unit includes pressure sensing
Device（9）, the pressure sensor（9）It is arranged at driving shaft（3）Or driven shaft（4）Surface, the pressure sensor（9）With control
Unit（6）Coupling, and output pressure detection signal.
6. a kind of sandstone conveying device according to claim 5, it is characterised in that：Described control unit（6）According to pressure
Detect signal control motor（5）Start and stop, work as pressure sensor（9）The pressure detecting signal of output is less than preset value and continues pre-
After fixing time, control unit（6）Start motor（5）.
7. a kind of sandstone conveying device according to claim 6, it is characterised in that：Described control unit（6）Including,
Comparison circuit（10）, the detection unit is coupled to, for the pressure detecting signal received to be compared with preset value
Export a comparison signal；
Anti-clutter circuit（11）, it is coupled to the comparison circuit（10）, for the change feelings according to comparison signal in the scheduled time
OFF signal is controlled in condition output one；
On-off circuit（12）, it is coupled to the anti-clutter circuit（11）, for according to control OFF signal controlled motor（5）With power supply list
Break-make between member.
8. a kind of sandstone conveying device according to claim 7, it is characterised in that：The comparison circuit（10）Including,
Reference voltage generating circuit（13）, with a first resistor, its one end is coupled to the second direct current, the other end and one second
It is grounded after resistant series；Wherein, the reference voltage is produced between first resistor and second resistance；
Comparator, with an in-phase input end, an inverting input and an output end, the in-phase input end is coupled to pressure biography
Sensor（9）Output end, inverting input is coupled to reference voltage, and output end exports a comparison signal.
9. a kind of sandstone conveying device according to claim 8, it is characterised in that：The anti-clutter circuit（11）Including,
Delay circuit, its input is coupled to the comparison circuit（10）Output end and export one be delayed comparison signal；
With door, with two inputs and an output end, the output end of its first input end and delay circuit is coupled, and second is defeated
Enter end and comparison circuit（10）Output end coupling, its output end output control OFF signal.
10. a kind of sandstone conveying device according to claim 9, it is characterised in that：The on-off circuit（12）Including,
NPN triode, its grounded emitter, base stage is coupled to the control OFF signal and by one the 4th electricity by a 3rd resistor
Resistance and emitter stage are altogether；
Relay, its coil one end is coupled to the first direct current, and the other end is coupled to the colelctor electrode of the NPN triode, and its is normally opened
Contact switch is serially connected with power subsystem and motor（5）Between；
Diode, its negative electrode is coupled to first direct current, and anode is coupled to the colelctor electrode of NPN triode and the line of the relay
The tie point of circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720079263.5U CN206485925U (en) | 2017-01-21 | 2017-01-21 | A kind of sandstone conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720079263.5U CN206485925U (en) | 2017-01-21 | 2017-01-21 | A kind of sandstone conveying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206485925U true CN206485925U (en) | 2017-09-12 |
Family
ID=59765800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720079263.5U Expired - Fee Related CN206485925U (en) | 2017-01-21 | 2017-01-21 | A kind of sandstone conveying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206485925U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108974836A (en) * | 2018-08-29 | 2018-12-11 | 安徽金贺财建筑工程有限公司 | A kind of single transmission equipment of building block and its working method |
| CN110844481A (en) * | 2019-11-20 | 2020-02-28 | 枣庄鑫金山智能机械股份有限公司 | Wear-resisting grit aggregate closed conveying chute device of guaranteeing quality |
-
2017
- 2017-01-21 CN CN201720079263.5U patent/CN206485925U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108974836A (en) * | 2018-08-29 | 2018-12-11 | 安徽金贺财建筑工程有限公司 | A kind of single transmission equipment of building block and its working method |
| CN110844481A (en) * | 2019-11-20 | 2020-02-28 | 枣庄鑫金山智能机械股份有限公司 | Wear-resisting grit aggregate closed conveying chute device of guaranteeing quality |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170912 Termination date: 20210121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |