CN206857762U - A kind of mixing plant feeding device - Google Patents
A kind of mixing plant feeding device Download PDFInfo
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- CN206857762U CN206857762U CN201720470540.5U CN201720470540U CN206857762U CN 206857762 U CN206857762 U CN 206857762U CN 201720470540 U CN201720470540 U CN 201720470540U CN 206857762 U CN206857762 U CN 206857762U
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- pressure sensor
- conveyance conduit
- operational amplifier
- storage warehouse
- feeding device
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Abstract
The utility model discloses a kind of mixing plant feeding device, storage warehouse including transport mechanism, for the storage of raw materials, transport mechanism is in the lower end of storage warehouse, the conveyance conduit and the first auger conveyer, the second auger conveyer of the bottom of storage warehouse are arranged in the storage warehouse, the bottom of conveyance conduit is provided with opening/closing device, conveyance conduit is respectively arranged on the left side and the right side first pressure sensor, second pressure sensor, and the 3rd pressure sensor is provided with conveyance conduit；Comparison circuit, coupled with three pressure sensors, and corresponding computing signal is exported according to the output valve of three pressure sensors；Execution circuit, coupled with comparison circuit, and the operation values exported according to comparison circuit control the first auger conveyer, the second auger conveyer to be turned on and off.The raw material that above technical scheme solves conveyance conduit surrounding can not export away, the problem of reducing the raw material output rating of feeding device.
Description
Technical field
Technical field of concrete is the utility model is related to, more particularly to a kind of mixing plant feeding device.
Background technology
Mixing plant is mainly used in concrete works, and main application is also concrete mixing station to be stirred concrete.Mixing plant
Classification have it is a variety of, such as concrete mixing plant, bituminous mixing plant etc..Concrete can be often seen in large-scale job site to stir
Station is mixed, this mixing plant is carried out by the way that the raw materials such as cement, sand, stone, water are placed into teeter chamber according to a certain percentage
It is sufficiently mixed stirring.
The raw materials such as cement, sand, stone are being transported in teeter chamber before stirring, are generally disposed in storage warehouse.Storage
The bottom of storage sets a conveyance conduit, and in the bottom of conveyance conduit sets transport mechanism, it is necessary to when giving teeter chamber's feeding,
Raw material to be mixed is transported in teeter chamber out of storage warehouse by transport mechanism.Largely stirred in order that storage warehouse can have been accumulated
Raw material is mixed, the volume of storage warehouse can be increased, increases the bottom area of storage warehouse.The original in conveyance conduit top can so be made
Expect that the raw material prior to conveyance conduit surrounding exports, and remaining substantial amounts of raw material in storage warehouse can be caused not to be fully utilized, drop
The raw material output rating of low feeding device.
Utility model content
The purpose of this utility model is to provide a kind of mixing plant feeding device, and the raw material for solving conveyance conduit surrounding can not
Output is gone out, the problem of reducing the raw material output rating of feeding device.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of mixing plant feeding dress
Put, including transport mechanism, the storage warehouse for the storage of raw materials, transport mechanism is in the lower end of storage warehouse, in the storage warehouse
Bottom, which is provided with, to be used for the conveyance conduit on feedstock transportation to transport mechanism and is respectively arranged at use at left and right sides of conveyance conduit
In the first auger conveyer from left and right sides raw material to passage in the middle part of storage warehouse, the second auger conveyer by, the bottom of conveyance conduit
Portion is provided with opening/closing device, and conveyance conduit is respectively arranged on the left side and the right side first pressure sensor, second pressure sensor, conveyance conduit
Inside it is provided with the 3rd pressure sensor；
The side wall of storage warehouse is provided with controlling organization, and controlling organization includes：
Comparison circuit, couple with first pressure sensor, second pressure sensor, the 3rd pressure sensor, and make first
The output valve computing compared with the output valve of the 3rd pressure sensor respectively of pressure sensor, second pressure sensor, and
Operation values are exported；
Execution circuit, with comparison circuit couple, and according to comparison circuit export operation values control the first auger conveyer,
Second auger conveyer is turned on and off.
By using above-mentioned technical proposal：Storage warehouse is used to deposit concrete material, and conveyance conduit has in storage warehouse
Feedstock transportation to transport mechanism in effect, transport mechanism by the feedstock delivery exported out of conveyance conduit to stir chamber,
The first auger conveyer, the second auger conveyer in storage warehouse are played the raw material of conveyance conduit both sides to conveyance conduit
Direction passage effect；
First pressure sensor, second pressure sensor have the work by the pressure conversion of conveyance conduit both sides into electric signal
Have the function that with, the 3rd pressure sensor by the pressure conversion in conveyance conduit into electric signal；Comparison circuit passes through the first pressure
Force snesor, the magnitude of voltage of second pressure sensor output are transported compared with the magnitude of voltage of the 3rd pressure sensor output respectively
Calculate, and obtain two operation values, and operation values are conveyed to execution circuit.Execution circuit is selected according to detected value makes the first auger
Conveyer or the second auger conveyer are opened, or the first auger conveyer, the second auger conveyer are all turned on.Design above
Serve when conveyance conduit is opened, entered the internal pressure of conveyance conduit and the pressure of conveyance conduit both sides by triggers circuit
Row compares, and pressure is more than to the screw conveyor at conveyance conduit internal pressure and opened, and pushes raw material herein to delivery pipe
At road, therefore the raw material for solving conveyance conduit surrounding can not export away, the problem of reducing the raw material output rating of feeding device.
Preferably, the controlling organization includes triggers circuit, and triggers circuit couples with comparison circuit, when opening/closing device is opened
Trigger comparison circuit and export corresponding trigger signal.
By using above-mentioned technical proposal：Triggers circuit unlocking condition is that opening/closing device is opened, and be that is to say when conveyance conduit is opened
Qi Shi, triggers circuit send the trigger signal for opening comparison circuit triggering, make comparison circuit logical in conveying so as to reach
Road could send operation values when starting transferring raw material to execution circuit, execution circuit is started the first auger conveyer or the second strand
Imperial conveyer.
Preferably, the opening/closing device includes hydraulic cylinder, has inside hydraulic cylinder and controls what opening/closing device was turned on and off respectively
First magnet coil, the second magnet coil；
Triggers circuit includes coupling with the first magnet coil, the second magnet coil and being used to select controlling the first electrical measurement coil
Or second magnet coil conducting combination switch, and diode, divider resistance；
One end of divider resistance is connected with the first magnet coil, and the other end of divider resistance and the positive pole of diode connect,
Output end of the other end of diode as trigger signal.
By using above-mentioned technical proposal：Triggers circuit is connected with the first magnet coil, played when the first magnet coil
During energization, triggers circuit is set to send the effect of trigger signal；Diode has the function that AC conversion into direct current, partial pressure
Resistance has the function that partial pressure.
Preferably, the comparison circuit includes the first operational amplifier, the second operational amplifier；
The output end of the first pressure sensor is connected with the input in the same direction of the first operational amplifier, the 3rd pressure
The output end of force snesor is connected with the input in the same direction of the second operational amplifier, the output end point of the second pressure sensor
Reverse input end, the reverse input end of the second operational amplifier not with the first operational amplifier are connected；
The output end of first operational amplifier is connected with the first switching element for controlling operation values to export, first switch
Element, which has, is used for the first control door for receiving trigger signal；The output end of second operational amplifier is connected with for controlling computing
It is worth the second switch element of output, second switch element, which has, is used for the second control door for receiving trigger signal.
By using above-mentioned technical proposal：When the magnitude of voltage of first pressure sensor output is defeated more than the 3rd pressure sensor
During the magnitude of voltage gone out, the operation values of the first operational amplifier output are high voltage, otherwise are low-voltage；Together should second pressure biography
When the magnitude of voltage of sensor output is more than the magnitude of voltage of the 3rd pressure sensor output, the operation values of the second operational amplifier output are
High voltage, on the contrary it is low-voltage；
First switching element, second switch element play a part of switch, when the first control door or the second control door receive
Make to corresponding trigger signal, open first switching element, second switch element.
Preferably, the first switching element, the second control element are NPN triode.
By using above-mentioned technical proposal：NPN triode plays the application target of switch control.
Preferably, the first auger conveyer has the first motor, and the second auger conveyer has the second motor, performs
Circuit includes two the first bidirectional thyristors being connected in parallel, the second bidirectional thyristor；
First bidirectional thyristor is connected in series with the first motor, and the second bidirectional thyristor is connected in series with the second motor, the
One bidirectional thyristor, the second bidirectional thyristor are respectively provided with the grid for receiving trigger signal.
By using above-mentioned technical proposal：First bidirectional thyristor, the conducting of the second bidirectional thyristor make with indirect current
Function, while the first bidirectional thyristor, the second bidirectional thyristor as switch use.
Preferably, the opening/closing device includes being used for the material retaining hood for sealing conveyance conduit, and the hydraulic cylinder has hydraulic stem, liquid
Depression bar and the dynamic connection of material retaining hood hinge, when hydraulic cylinder stretches out, material retaining hood blocks conveyance conduit.
By using above-mentioned technical proposal：Material retaining hood plays the purpose of sealing conveyance conduit, and hydraulic cylinder has driving hydraulic pressure
The effect of bar, hydraulic stem drive lower rotation of the material retaining hood along conveyance conduit, are turned on and off so as to reach when doing stretching motion
The purpose of conveyance conduit.
In summary, the utility model has the advantages that：
1. the raw material for solving conveyance conduit surrounding can not export away, conveyance conduit both sides are caused to leave substantial amounts of original
Material accumulation, causes the overall utilization rate of storage warehouse to reduce, while also reduces the raw material output rating of feeding device.
Brief description of the drawings
Fig. 1 is the partial sectional view of the present embodiment；
Fig. 2 is the enlarged drawing of details A in Fig. 1；
Fig. 3 is the circuit diagram of the present embodiment.
In figure：1st, transport mechanism；2nd, storage warehouse；3rd, conveyance conduit；4th, the first auger conveyer；5th, the second auger transmits
Machine；6th, opening/closing device；7th, controlling organization；8th, comparison circuit；9th, execution circuit；10th, triggers circuit；11st, hydraulic cylinder；12nd, material retaining hood；
13rd, teeter chamber；14th, supporting plate；15th, fixed station；16th, the first motor；17th, the second motor.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
A kind of mixing plant feeding device, as shown in figure 1, the storage warehouse 2 including transport mechanism 1, for the storage of raw materials, storage
Storehouse 2 is arranged on ground, and transport mechanism 1 is used in the feedstock transportation in storage warehouse 2 to teeter chamber 13, the bottom of storage warehouse 2
The conveyance conduit 3 that the feedstock transportation in storage warehouse 2 is gone out is provided for, transport mechanism 1 is divided to for two sections, and one section is horizontally disposed with simultaneously
In the lower end of the bottom conveyance conduit 3 of storage warehouse 2.Another section of transport mechanism 1 is obliquely installed, and is provided for supporting on the ground
The supporting plate 14 of conveyer belt, and for placing the fixed station 15 of teeter chamber 13.
As shown in Figure 1,3, conveyance conduit 3 is arranged at the bottom of storage warehouse 2, and conveyance conduit 3 is used for feedstock transportation to water
In the flat transport mechanism 1 set, the first auger conveyer 4, the second auger conveyer 5 are set in storage warehouse 2, the first auger passes
Send machine 4, the second auger conveyer 5 to be respectively arranged at the left and right sides of conveyance conduit 3, play the left and right sides raw material of conveyance conduit 3
To the effect of the middle part of storage warehouse 2 passage.Conveyance conduit 3 is respectively arranged on the left side and the right side first pressure sensor Y1, second pressure
Sensor Y2.The lower end that first pressure sensor Y1 is in the first auger conveyer 4 is used for the amount for measuring left side raw material.Second pressure
Power conveyer Y2 is in the lower end of the second auger conveyer 5, and for detecting the storage capacity of the right side raw material of storage warehouse 2.Conveying
The 3rd pressure sensor Y3 is provided with pipeline 3, the 3rd pressure sensor Y3 is used for the storage for measuring the raw material in conveyance conduit 3
Amount.
As shown in Figure 1, 2, opening/closing device 6 is provided with the bottom of conveyance conduit 3, opening/closing device 6 includes hydraulic cylinder 11, material retaining hood
12, material retaining hood 12 is used for the effect of closure or openness conveyance conduit 3, and material retaining hood 12 is in the bottom of conveyance conduit 3, and with it is defeated
Send pipeline 3 be hinged.Hydraulic cylinder 11 is fixed in the side wall of conveyance conduit 3, and hydraulic cylinder 11 has hydraulic cylinder 11, hydraulic cylinder 11 and gear
Material cover 12 is be hinged, drives lower rotation of the baffle plate along conveyance conduit 3 during telescopic hydraulic bar.
As shown in Figure 1,3, hydraulic cylinder 11 has magnetic valve, and the both sides of magnetic valve have does flexible fortune with control hydraulic stem
Dynamic the first magnet coil S1, the second magnet coil S2, when the first magnet coil S1 is powered, hydraulic cylinder 11 drive hydraulic stem to
It is overhanging；When the second magnet coil S2 is powered, hydraulic cylinder 11 drives hydraulic stem to inside contracting.
As shown in Figure 1,3, controlling organization 7 is provided with the side wall of storage warehouse 2, controlling organization 7 includes comparison circuit 8, held
Row circuit 9, triggers circuit 10 is coupled with comparison circuit 8.Triggers circuit 10 includes and the first magnet coil S1, the second electromagnetic wire
Circle S2 is coupled and is used to select the combination switch SB for controlling the first electrical measurement coil S1 or the second magnet coil S2 to turn on, and two poles
Pipe D, divider resistance R.First magnet coil S1, the second magnet coil S2 are connected in parallel.Divider resistance R one end and the first electromagnetism
Coil S1 connections, the divider resistance R other end are connected with diode D positive pole, and diode D negative electrode is as the defeated of trigger signal
Go out end.
As shown in Figure 1,3, the first auger conveyer 4 has the first motor 16, and the second auger conveyer 5 has the second motor
17, execution circuit 9 includes two the first bidirectional thyristor Q4 being connected in parallel, the second bidirectional thyristor Q5.First bidirectional thyristor
Q4 is connected in series with the first motor 16, and the second bidirectional thyristor Q5 is connected in series with the second motor 17, the first bidirectional thyristor Q4,
Second bidirectional thyristor Q5 uses as switch, and the first bidirectional thyristor Q4, the second bidirectional thyristor Q5 are respectively provided with and connect
Receive the grid of trigger signal.
As shown in figure 3, comparison circuit 8 includes passing with first pressure sensor Y1, second pressure sensor Y2, the 3rd pressure
The first operational amplifier T1, the second operational amplifier T2 of sensor Y3 couplings.First pressure sensor Y1 output end and first
Operational amplifier T1 input in the same direction connection, the 3rd pressure sensor Y3 output end are in the same direction with the second operational amplifier T2's
Input connects.Second pressure sensor Y2 output end respectively transport by the reverse input end with the first operational amplifier T1, second
Calculate amplifier T2 reverse input end connection.
As shown in figure 3, the first operational amplifier T1 output end is connected with the first switch for controlling operation values to export
Element Q1, first switching element Q1, which have, is used for the first control door for receiving trigger signal, and first switching element Q1 is the poles of NPN tri-
Pipe.The emitter stage of NPN triode herein is connected with the first operational amplifier T1 output end, the colelctor electrode of NPN triode with
First bidirectional thyristor Q4 grid connection, the base stage of NPN triode are connected as the first control door with diode D negative electrode.
Second operational amplifier T2 output end is connected with the second switch element Q2 for controlling operation values to export, and second
Switch element Q2, which has, is used for the second control door for receiving trigger signal, the second preferred NPN triodes of control element Q2.Herein
The colelctor electrode of NPN triode is connected with the second bidirectional thyristor Q5 grid, the base stage of NPN triode as the second control door with
Diode D negative electrode connection.
Use process：First standby concrete is first positioned in storage warehouse 2, it is necessary to which concrete is sent into teeter chamber 13
When interior, make composite S B switches in the state for making the first magnet coil S1 be powered.After first magnet coil S1 is powered, hydraulic cylinder 11
Drive hydraulic stem to stretch out, and drive material retaining hood 12 to open conveyance conduit 3, make the raw material in storage warehouse 2 out of conveyance conduit 3
Output.
During raw material exports, the raw material in the top of conveyance conduit 3 persistently exports, in the side wall of conveyance conduit 3
Pressure is gradually reduced, so as to cause the magnitude of voltage of the 3rd pressure sensor Y3 output to be less than first pressure sensor Y1 or second
The magnitude of voltage of pressure sensor Y2 output.After three magnitudes of voltage entered the progress computing of comparison circuit 8, corresponding computing is exported
Value.
When the magnitude of voltage of first pressure sensor Y1 outputs is more than the 3rd pressure sensor Y3 magnitude of voltage, fortune now
Calculation value is high level voltage, and triggers the first bidirectional thyristor Q4 conductings, and the first auger conveyer 4 is opened, and will be in delivery pipe
The raw material in the left side of road 3 is to elapsing at conveyance conduit 3.
With should second pressure sensor Y2 output magnitude of voltage be more than the 3rd pressure sensor Y3 magnitude of voltage when, now
Magnitude of voltage for high level voltage and trigger the first bidirectional thyristor Q4 conductings, the second screw conveyor 5 opens, and will be in conveying
Pipeline 3 has the raw material of side to elapsing at conveyance conduit 3.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (7)
1. a kind of mixing plant feeding device, including transport mechanism (1), the storage warehouse (2) for the storage of raw materials, transport mechanism (1)
In the lower end of storage warehouse (2), it is characterised in that：Bottom in the storage warehouse (2), which is provided with, to be used for feedstock transportation to transmission
Conveyance conduit (3) in mechanism (1) and being respectively arranged at left and right sides of conveyance conduit (3) be used for by left and right sides raw material to
First auger conveyer (4) of passage, the second auger conveyer (5) in the middle part of storage warehouse (2), the bottom of conveyance conduit (3) is provided with
Opening/closing device (6), conveyance conduit (3) are respectively arranged on the left side and the right side first pressure sensor, second pressure sensor, conveyance conduit
(3) the 3rd pressure sensor is provided with；
The side wall of storage warehouse (2) is provided with controlling organization (7), and controlling organization (7) includes：
Comparison circuit (8), couple with first pressure sensor, second pressure sensor, the 3rd pressure sensor, and make the first pressure
The output valve computing compared with the output valve of the 3rd pressure sensor respectively of force snesor, second pressure sensor, and will
Operation values export；
Execution circuit (9), coupled with comparison circuit (8), and the operation values exported according to comparison circuit (8) control the first auger to pass
Machine (4), the second auger conveyer (5) is sent to be turned on and off.
A kind of 2. mixing plant feeding device according to claim 1, it is characterised in that：The controlling organization (7) includes touching
Power Generation Road (10), triggers circuit (10) are coupled with comparison circuit (8), and comparison circuit (8) output is triggered when opening/closing device (6) is opened
Corresponding trigger signal.
A kind of 3. mixing plant feeding device according to claim 2, it is characterised in that：The opening/closing device (6) includes hydraulic pressure
Cylinder (11), hydraulic cylinder (11) is internal to have the first magnet coil, the second electromagnetic wire for controlling opening/closing device (6) to be turned on and off respectively
Circle；
Triggers circuit (10) includes coupling with the first magnet coil, the second magnet coil and being used to select controlling the first electrical measurement coil
Or second magnet coil conducting combination switch, and diode, divider resistance；
One end of divider resistance is connected with the first magnet coil, and the other end of divider resistance and the positive pole of diode connect, two poles
Output end of the other end of pipe as trigger signal.
A kind of 4. mixing plant feeding device according to claim 1, it is characterised in that：The comparison circuit (8) includes the
One operational amplifier, the second operational amplifier；
The output end of the first pressure sensor is connected with the input in the same direction of the first operational amplifier, and the 3rd pressure passes
The output end of sensor is connected with the input in the same direction of the second operational amplifier, the output end of the second pressure sensor respectively with
The reverse input end connection of the reverse input end of first operational amplifier, the second operational amplifier；
The output end of first operational amplifier is connected with the first switching element for controlling operation values to export, first switching element
With the first control door for receiving trigger signal；The output end of second operational amplifier is connected with for controlling operation values defeated
The second switch element gone out, second switch element, which has, is used for the second control door for receiving trigger signal.
A kind of 5. mixing plant feeding device according to claim 4, it is characterised in that：The first switching element, second
Control element is NPN triode.
A kind of 6. mixing plant feeding device according to claim 3, it is characterised in that：The first auger conveyer (4)
With the first motor (16), the second auger conveyer (5) has the second motor (17), and execution circuit (9) is connected in parallel including two
The first bidirectional thyristor, the second bidirectional thyristor；
First bidirectional thyristor is connected in series with the first motor (16), the second bidirectional thyristor and the second motor (17) company of series connection
Connect, the first bidirectional thyristor, the second bidirectional thyristor are respectively provided with the grid for receiving trigger signal.
A kind of 7. mixing plant feeding device according to claim 3, it is characterised in that：The opening/closing device (6) includes being used for
The material retaining hood (12) of sealing pipeline, the hydraulic cylinder (11) have hydraulic stem, hydraulic stem and the dynamic connection of material retaining hood (12) hinge, work as liquid
Material retaining hood (12) blocks conveyance conduit (3) when cylinder pressure (11) stretches out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720470540.5U CN206857762U (en) | 2017-04-28 | 2017-04-28 | A kind of mixing plant feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720470540.5U CN206857762U (en) | 2017-04-28 | 2017-04-28 | A kind of mixing plant feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206857762U true CN206857762U (en) | 2018-01-09 |
Family
ID=60822934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720470540.5U Active CN206857762U (en) | 2017-04-28 | 2017-04-28 | A kind of mixing plant feeding device |
Country Status (1)
| Country | Link |
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| CN (1) | CN206857762U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109352832A (en) * | 2018-12-18 | 2019-02-19 | 四川骏峰建筑工程机械有限公司 | A kind of tele-control system and method for mixing plant |
-
2017
- 2017-04-28 CN CN201720470540.5U patent/CN206857762U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109352832A (en) * | 2018-12-18 | 2019-02-19 | 四川骏峰建筑工程机械有限公司 | A kind of tele-control system and method for mixing plant |
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