CN112061707A - Efficient feeding system and method for asphalt mixture grade batching bin - Google Patents
Efficient feeding system and method for asphalt mixture grade batching bin Download PDFInfo
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- CN112061707A CN112061707A CN202011002007.9A CN202011002007A CN112061707A CN 112061707 A CN112061707 A CN 112061707A CN 202011002007 A CN202011002007 A CN 202011002007A CN 112061707 A CN112061707 A CN 112061707A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G35/00—Mechanical conveyors not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G67/00—Loading or unloading vehicles
- B65G67/02—Loading or unloading land vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G13/00—Weighing apparatus with automatic feed or discharge for weighing-out batches of material
- G01G13/16—Means for automatically discharging weigh receptacles under control of the weighing mechanism
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Abstract
The invention discloses an efficient feeding system and method for an asphalt mixture level batching bin, which comprises a material transporting vehicle, an operation track for the material transporting vehicle to run and a first weighing sensor for sensing the weight of the material transporting vehicle, wherein the material transporting vehicle is provided with a driving mechanism, the driving mechanism comprises a motor controlled by a frequency converter, the operation track is arranged above a plurality of parallel distributed bins in parallel, the bottom of each bin is respectively provided with a second weighing sensor for sensing the weight of the material transporting vehicle, the operation track is provided with a material receiving position and a plurality of discharging positions distributed at intervals, the material receiving position is provided with a first position switch for sensing the return of the material transporting vehicle, the discharging positions are respectively provided with a second position switch for sensing the in-place position of the material transporting vehicle, the first weighing sensor and the frequency converter, the automatic brake mechanism, the second weighing sensor, the first position switch and the second position switch are all electrically connected to the controller. The automatic feeding device realizes automatic feeding, improves the operation efficiency of the material transporting vehicle, and further improves the feeding efficiency of the storage bin.
Description
Technical Field
The invention belongs to the technical field of feeding of bins, and particularly relates to an efficient feeding system and method for an asphalt mixture grade batching bin.
Background
In the production process of the asphalt mixture, primary aggregate needs to be graded, and if recycled aggregate is used, the recycled aggregate also needs to be graded. Wherein, primary aggregate has contained multiple primary material, and the regeneration aggregate has contained multiple regeneration recovery material, and these materials are all deposited in respective feed bin generally, all by the manual work at ordinary times and load in the feed bin, and it is very low to load the efficiency.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide an efficient feeding system and method for an asphalt mixture grade batching bin.
In order to achieve the purpose, the invention adopts the following technical scheme: an efficient feeding system of an asphalt mixture grade batching bin comprises a material transporting vehicle, a running track for the material transporting vehicle to run and a first weighing sensor for sensing the weight of the material transporting vehicle, the material transporting vehicle is provided with a driving mechanism and an automatic braking mechanism, the driving mechanism comprises a motor controlled by a frequency converter, the running tracks are arranged above a plurality of parallel bins, the bottom of each bin is respectively provided with a second weighing sensor for sensing the weight of the bin, the operation track is provided with a material receiving position and a plurality of material discharging positions which are distributed at intervals, the material receiving position is provided with a first position switch for sensing the return of the material transporting vehicle, the plurality of material discharging positions are respectively provided with a second position switch for sensing the in-place of the material transporting vehicle, the first weighing sensor, the frequency converter, the automatic brake mechanism, the second weighing sensor, the first position switch and the second position switch are all electrically connected to the controller.
Preferably, the material receiving positions are arranged in the middle of the running track, and the plurality of discharging positions are symmetrically distributed around the material receiving positions; the first position switches are arranged in two numbers, and the two first position switches are sequentially arranged at the material receiving position along the length direction of the moving track and used for sensing that the material conveying vehicle returns to the position from any end of the moving track.
Preferably, both ends of the operation track are respectively provided with a limit position protection switch for preventing the material conveying vehicle from exceeding a limit position, and the limit position protection switches are connected to the controller.
Preferably, the extreme position protection switch is a travel switch.
Preferably, the running rail is arranged on the underframe in a liftable mode, and the first weighing sensor is arranged between the top of the underframe and the bottom of the running rail and is positioned on the same horizontal plane and used for sensing the sum of the weights of the running rail and the material conveying vehicle.
Preferably, the first weighing sensors are provided with a plurality of first weighing sensors, and the plurality of first weighing sensors are uniformly distributed along the length direction of the running track and are positioned on the same horizontal plane.
Preferably, the material transporting vehicle comprises a vehicle body and a chassis, the vehicle body is arranged on the chassis in a lifting way, and the first weighing sensor is arranged between the top of the chassis and the bottom of the vehicle body and used for sensing the weight of the vehicle body.
Preferably, the first position switch and the second position switch are both photoelectric proximity switches.
Preferably, the controller is a PLC.
Preferably, the controller is connected to an industrial computer.
The invention also provides an efficient feeding method for the asphalt mixture grade batching bin, which adopts the efficient feeding system for the asphalt mixture grade batching bin, and comprises the following steps:
s1, selecting a target unloading position, loading materials required by a storage bin corresponding to the target unloading position on a material receiving position by a material conveying vehicle, sensing that the load weight of the material conveying vehicle is gradually increased by a first weighing sensor, transmitting a corresponding first weight signal to a controller in real time, and receiving and processing the first weight signal by the controller;
s2, when the controller identifies that the load weight of the material conveying vehicle is larger than or equal to a first weight threshold value, the controller sends a starting instruction to the frequency converter, and the frequency converter drives the material conveying vehicle to operate to a target unloading position at a first speed through the motor;
s3, when the second position switch of the target unloading position detects that the material transporting vehicle is in place, the automatic brake mechanism works, the material transporting vehicle stops running and starts to unload materials to the corresponding storage bin, the first weighing sensor senses that the load weight of the material transporting vehicle gradually decreases and transmits a corresponding first weight signal to the controller in real time, and the controller receives and processes the first weight signal;
s4, when the controller identifies that the load weight of the material conveying vehicle is smaller than or equal to a second weight threshold value, the controller sends a return instruction to the frequency converter, and the frequency converter drives the material conveying vehicle to operate to the material receiving position at a second speed through the motor; wherein the second speed is greater than the first speed;
and S5, when the first position switch of the material receiving position detects that the material transporting vehicle returns, the automatic brake mechanism works, and the material transporting vehicle stops running.
Preferably, in step S1, the method for selecting the target discharge position includes:
s1.1, sensing the weight change of a storage bin corresponding to the unloading position by a second weighing sensor, transmitting a corresponding second weight signal to a controller in real time, and receiving and processing the second weight signal by the controller;
s1.2, when the controller identifies that the weight of any one bin is smaller than or equal to a third weight threshold value, the controller selects the discharging position where the material shortage bin is located as a target discharging position.
Preferably, in step S1, the method for loading the material transporting vehicle at the material receiving position includes: and conveying the materials required by the material bin corresponding to the target unloading position to the material conveying vehicle through the automatic material conveying mechanism.
Compared with the prior art, the invention has the following beneficial effects: the invention combines the material transporting vehicle, the running track, the first position switch, the second position switch and the controller, realizes the automatic transportation of materials and improves the loading efficiency of the storage bin; according to the invention, the combination of the first weighing sensor, the frequency converter and the controller is adopted, so that the material transporting vehicle can be controlled to switch different running speeds according to the self weight, the running speed is slower when the weight is large, and the running speed is faster when the weight is small, the running efficiency of the material transporting vehicle can be improved, and the material loading efficiency of the storage bin is further improved; the invention combines the second weighing sensor and the controller, which is beneficial to the material transportation vehicle to feed the material to the storage bin in time and prevent the material shortage during the aggregate grading. The invention is not only suitable for feeding of the asphalt mixture grade proportioning bin, but also suitable for material supply in other fields, and can convey the same material and different materials.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic block diagram of a first embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 4 is a schematic partial structure diagram of a fourth embodiment of the present invention.
Fig. 5 is a schematic partial structure diagram of a fifth embodiment of the present invention.
Fig. 6 is a schematic block diagram of a sixth embodiment of the present invention.
The labels in the figure are: 1. a material transporting vehicle; 11. a vehicle body; 12. a chassis; 2. running the track; 3. a first weighing sensor; 4. a drive mechanism; 41. a frequency converter; 42. an electric motor; 5. an automatic braking mechanism; 6. a first position switch; 7. a second position switch; 8. an extreme position protection switch; 9. a chassis; 10. a storage bin; 13. a second load cell; A. receiving a material position; B. and (7) discharging the material.
Detailed Description
In order to make the aforementioned and other features and advantages of the invention more comprehensible, embodiments accompanied with figures are described in detail below.
The first embodiment is as follows: as shown in fig. 1 to 5, an efficient feeding system for an asphalt mixture level batching bin comprises a material transporting vehicle 1, an operation track 2 for driving the material transporting vehicle 1 and a first weighing sensor 3 for sensing the weight of the material transporting vehicle 1, wherein the material transporting vehicle 1 is provided with a driving mechanism 4 and an automatic brake mechanism 5, the driving mechanism 4 comprises a motor 42 controlled by a frequency converter 41, the operation track 2 is arranged above a plurality of parallel distributed bins 10 in parallel, the bottom of each bin 10 is respectively provided with a second weighing sensor 13 for sensing the self weight (all the second weighing sensors are sequentially numbered and are convenient to control), the operation track 2 is provided with a material receiving position a and a plurality of unloading positions B distributed at intervals (all the unloading positions can be sequentially marked as B1, B2, B3, B4, … and Bn), the material receiving position a is provided with a first position switch 6 for sensing the return of the material transporting vehicle 1, a plurality of the unloading positions B are respectively provided with a second position switch 7 (all the second position switches are sequentially numbered and are convenient to control) for sensing the material conveying vehicle 1 to be in place, and the first weighing sensor 3, the frequency converter 41, the automatic brake mechanism 5, the second weighing sensor 13, the first position switch 6 and the second position switch 7 are electrically connected to the controller.
In this embodiment, the first load cell 3, the frequency converter 41, the motor 42, the automatic brake mechanism 5, the second load cell 13, the first position switch 6, the second position switch 7 and the controller may all adopt the existing mature technologies, and the specific model is not limited. Further, the first position switch 6 and the second position switch 7 are preferably, but not limited to, electro-optical proximity switches, and may be travel switches, etc. Further, the controller is preferably, but not limited to, a PLC, and the specific model is not limited, and existing mature products, such as a siemens S7-200 series PLC (which includes a weighing module) and the like, can be adopted.
The embodiment also provides an efficient feeding method for the asphalt mixture grade proportioning bin, which adopts the efficient feeding system for the asphalt mixture grade proportioning bin, and the feeding method comprises the following steps:
s1, selecting a target unloading position B, loading materials required by a bin 10 corresponding to the target unloading position B on the material receiving position A by the material transport vehicle 1, sensing that the load weight of the material transport vehicle 1 is gradually increased by the first weighing sensor 3, transmitting a corresponding first weight signal to a controller in real time, and receiving and processing the first weight signal by the controller;
s2, when the controller recognizes that the load weight of the material transporting vehicle 1 is greater than or equal to the first weight threshold (for example, full load is reached), the controller sends a start command to the frequency converter 41, and the frequency converter 41 drives the material transporting vehicle 1 to operate at the first speed to the target unloading position B through the motor 42;
s3, when the second position switch 7 of the target unloading position B detects that the material transporting vehicle 1 is in place, the automatic brake mechanism 5 works, the material transporting vehicle 1 stops running and starts to unload materials to the corresponding storage bin 10, the first weighing sensor 3 senses that the load weight of the material transporting vehicle 1 gradually decreases and transmits a corresponding first weight signal to the controller in real time, and the controller receives and processes the first weight signal;
s4, when the controller recognizes that the load weight of the material transporting vehicle 1 is less than or equal to the second weight threshold (e.g. no load is reached), the controller sends a return instruction to the frequency converter 41, and the frequency converter 41 drives the material transporting vehicle 1 to operate at the material receiving level a at the second speed through the motor 42; wherein the second speed is greater than the first speed;
s5, when the first position switch 6 of the material receiving position A detects that the material transporting vehicle 1 returns, the automatic brake mechanism 5 works, and the material transporting vehicle 1 stops running.
In the present embodiment, in step S1, the method of selecting the target discharge level B preferably, but not exclusively, includes:
s1.1, sensing the weight change of the bin 10 corresponding to the unloading position B by a second weighing sensor 13, and transmitting a corresponding second weight signal to a controller in real time, wherein the controller receives and processes the second weight signal;
s1.2, when the controller identifies that the weight of any one bin 10 is less than or equal to the third weight threshold value, the controller selects the discharging position B where the starved bin 10 is located as the target discharging position B.
In this embodiment, in step S1, the method for loading the material transporting vehicle 1 at the receiving location a is preferably, but not limited to: and conveying the materials required by the bin 10 corresponding to the target unloading position B to the material conveying vehicle 1 through the automatic material conveying mechanism. The automatic material conveying mechanism can be electrically connected to a control device (such as the above-mentioned controller or an industrial computer described below), when the material shortage of the bin 10 occurs, the control device controls the automatic material conveying mechanism to convey the material required by the material shortage bin 10 to the material transporting vehicle 1, and when the load weight of the material transporting vehicle 1 is greater than or equal to a first weight threshold value, the automatic material conveying mechanism stops feeding; the automatic material conveying mechanism can comprise at least one of a spiral material lifting machine and a belt type material conveying machine.
In the present embodiment, in step S3, the discharging is preferably, but not limited to, automatic discharging by an automatic discharging mechanism on the cart 1. The automatic discharging mechanism can adopt the existing mature technology, such as the opening and closing of a discharge hole are controlled through an electric valve and the like, so that the automatic discharging is realized.
The working principle of the embodiment is as follows: the inertia of the object in motion is related to the weight of the object, and the operation speed is controlled by using the change of the weight, so that the operation efficiency can be improved. When the material transporting vehicle 1 is heavy (such as full load), the inertia is large, if the running speed is too fast, the stopping position is easy to be very inaccurate when the material transporting vehicle stops, and therefore the material transporting vehicle runs at a first slow speed; when the weight of the material transporting vehicle 1 is small (such as no load), the inertia is small, so that the material transporting vehicle runs at a faster second speed, the running efficiency can be improved, and the feeding efficiency of the storage bin 10 is further improved.
Example two: as shown in fig. 2 to 6, an efficient feeding system for an asphalt mixture grade batching bin is different from the first embodiment in that: the material receiving position A is arranged in the middle of the operation track 2, and the plurality of discharging positions B are symmetrically distributed relative to the material receiving position A; the first position switches 6 are provided with two, and two first position switches 6 (all first position switches are numbered in sequence and are convenient to control) are sequentially arranged at the material receiving position A along the length direction of the moving track and are used for sensing that the material transporting vehicle 1 returns to the position from any end of the moving track 2. According to the embodiment, the discharging positions B which are symmetrically distributed about the receiving position A are designed, so that the efficiency of conveying materials can be improved; through the sequence of the two first position switches 6 being triggered, whether the material conveying vehicle 1 is in place when returning from any end of the running track 2 can be judged.
Example three: as shown in fig. 1 to 6, an efficient feeding system for an asphalt mixture grade batching bin is different from the first embodiment or the second embodiment in that: the two ends of the running track 2 are respectively provided with a limit position protection switch 8 for preventing the material transporting vehicle 1 from exceeding a limit position, the limit position protection switch 8 is connected to the controller, and when the limit position protection switch 8 is triggered by the material transporting vehicle 1, the controller controls the material transporting vehicle 1 to stop running or to run reversely and controls the stop position of the material transporting vehicle 1 through the first position switch 6 or the second position switch 7. The setting of extreme position protection switch 8 is passed through to this embodiment, can prevent that the operation dolly from breaking away from orbit 2, safe and reliable more.
In the present embodiment, the limit position protection switch 8 is preferably, but not limited to, a travel switch, and the specific model is not limited, and existing mature products can be adopted; of course, electro-optical proximity switches and the like may also be employed.
Example four: as shown in fig. 1 to 4 and fig. 6, an efficient feeding system of an asphalt mixture grade batching bin is different from the first embodiment, the second embodiment or the third embodiment in that: the operation track 2 is arranged on the bottom frame 9 in a liftable mode, and the first weighing sensor 3 is arranged between the top of the bottom frame 9 and the bottom of the operation track 2 and is located on the same horizontal plane and used for sensing the sum of the weights of the operation track 2 and the material conveying vehicle 1. In the embodiment, the first weighing sensor 3 is arranged on the operation track 2, the weight of the operation track 2 is deducted and reduced to obtain the weight of the material transporting vehicle 1 by sensing the sum of the weights of the operation track 2 and the material transporting vehicle 1, and the weight of the material transporting vehicle 1 is deducted and reduced to obtain the weight of the material, so that the material transporting vehicle 1 can be known to be fully loaded or unloaded.
In this embodiment, first weighing sensor 3 can be provided with a plurality ofly, and is a plurality of first weighing sensor 3 just is located same horizontal plane along 2 length direction evenly distributed of orbit, and through the parallelly connected use of a plurality of first weighing sensor 3, measuring result is more accurate.
In this embodiment, a lifting guide mechanism (omitted in the figure) may be disposed between the running rail 2 and the bottom frame 9, and the lifting guide mechanism preferably, but not limited to, includes a guide rod and a guide sleeve that are slidably fitted to each other, one of the guide rod and the guide sleeve is fixed to the running rail 2, and the other of the guide rod and the guide sleeve is fixed to the bottom frame 9. The embodiment guides the running track 2 to float up and down relative to the underframe 9 through the lifting guide mechanism, so that the running track 2 is more stable.
Example five: as shown in FIGS. 1-3 and 5-6, an efficient feeding system of an asphalt mixture grade batching bin is different from the first embodiment, the second embodiment or the third embodiment in that: the material transporting vehicle 1 comprises a vehicle body 11 and a chassis 12, wherein the vehicle body 11 is arranged on the chassis 12 in a liftable mode, and the first weighing sensor 3 is arranged between the top of the chassis 12 and the bottom of the vehicle body 11 and located on the same horizontal plane and used for sensing the weight of the vehicle body 11. In the embodiment, the first weighing sensor 3 is arranged on the chassis 12, and the weight of the material can be calculated by deducting the self weight of the material transporting vehicle 1 by sensing the weight of the material transporting vehicle 1, so that whether the material transporting vehicle 1 is full load or no load can be known.
In this embodiment, the first weighing sensors 3 may be provided in a plurality of numbers, and the plurality of first weighing sensors 3 are uniformly distributed and located on the same horizontal plane, and the plurality of first weighing sensors 3 are used in parallel, so that the measurement result is more accurate.
In the present embodiment, a lifting guide mechanism (omitted in the drawings) may be disposed between the vehicle body 11 and the chassis 12, and the lifting guide mechanism preferably, but not limited to, includes a guide rod and a guide sleeve slidably engaged with each other, one of the guide rod and the guide sleeve is fixed to the vehicle body 11, and the other of the guide rod and the guide sleeve is fixed to the chassis 12. The running rail 2 is arranged fixedly, for example on the base frame 9.
Example six: as shown in fig. 1 to 6, an efficient feeding system of an asphalt mixture grade batching bin is different from the first, second, third, fourth or fifth embodiment in that: the controller is electrically connected to the industrial computer. The embodiment is convenient to control the operation trolley to load and unload materials through the centralized control of the industrial computer, and is convenient to control.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention in any way, and it should be understood by those skilled in the art that the above embodiments can be modified and equally varied without departing from the technical spirit of the present invention.
Claims (10)
1. The utility model provides a high-efficient charge-in system in bituminous mixture level batching storehouse which characterized in that: comprises a material transporting vehicle, a running track for the material transporting vehicle to run and a first weighing sensor for sensing the weight of the material transporting vehicle, the material transporting vehicle is provided with a driving mechanism and an automatic braking mechanism, the driving mechanism comprises a motor controlled by a frequency converter, the running tracks are arranged above a plurality of parallel bins, the bottom of each bin is respectively provided with a second weighing sensor for sensing the weight of the bin, the operation track is provided with a material receiving position and a plurality of material discharging positions which are distributed at intervals, the material receiving position is provided with a first position switch for sensing the return of the material transporting vehicle, the plurality of material discharging positions are respectively provided with a second position switch for sensing the in-place of the material transporting vehicle, the first weighing sensor, the frequency converter, the automatic brake mechanism, the second weighing sensor, the first position switch and the second position switch are all electrically connected to the controller.
2. The efficient feeding system and method for the asphalt mixture grade batching bin according to claim 1, characterized in that: the material receiving positions are arranged in the middle of the operation track, and the plurality of discharging positions are symmetrically distributed around the material receiving positions; the first position switches are arranged in two numbers, and the two first position switches are sequentially arranged at the material receiving position along the length direction of the moving track and used for sensing that the material conveying vehicle returns to the position from any end of the moving track.
3. The efficient asphalt mixture grade batching bin feeding system according to claim 1, characterized in that: two ends of the running track are respectively provided with a limit position protection switch for preventing the material conveying vehicle from exceeding a limit position, and the limit position protection switches are connected to the controller; the limit position protection switch is a travel switch.
4. The efficient asphalt mixture grade batching bin feeding system according to claim 1, characterized in that: the running track is arranged on the underframe in a lifting manner, and the first weighing sensor is arranged between the top of the underframe and the bottom of the running track, is positioned on the same horizontal plane and is used for sensing the sum of the weights of the running track and the material transporting vehicle; the first weighing sensors are arranged in a plurality of numbers, and the first weighing sensors are uniformly distributed along the length direction of the running track and are positioned on the same horizontal plane.
5. The efficient asphalt mixture grade batching bin feeding system according to claim 1, characterized in that: the material transporting vehicle comprises a vehicle body and a chassis, wherein the vehicle body is arranged on the chassis in a liftable mode, and the first weighing sensor is arranged between the top of the chassis and the bottom of the vehicle body and used for sensing the weight of the vehicle body.
6. The efficient asphalt mixture grade batching bin feeding system according to claim 1, characterized in that: the first position switch and the second position switch are both photoelectric proximity switches.
7. The efficient asphalt mixture grade batching bin feeding system according to claim 1, characterized in that: the controller is a PLC and is connected to an industrial computer.
8. An efficient feeding method for an asphalt mixture grade proportioning bin, which is characterized in that the efficient feeding system for the asphalt mixture grade proportioning bin of any one of claims 1 to 7 is adopted, and the feeding method comprises the following steps:
s1, selecting a target unloading position, loading materials required by a storage bin corresponding to the target unloading position on a material receiving position by a material conveying vehicle, sensing that the load weight of the material conveying vehicle is gradually increased by a first weighing sensor, transmitting a corresponding first weight signal to a controller in real time, and receiving and processing the first weight signal by the controller;
s2, when the controller identifies that the load weight of the material conveying vehicle is larger than or equal to a first weight threshold value, the controller sends a starting instruction to the frequency converter, and the frequency converter drives the material conveying vehicle to operate to a target unloading position at a first speed through the motor;
s3, when the second position switch of the target unloading position detects that the material transporting vehicle is in place, the automatic brake mechanism works, the material transporting vehicle stops running and starts to unload materials to the corresponding storage bin, the first weighing sensor senses that the load weight of the material transporting vehicle gradually decreases and transmits a corresponding first weight signal to the controller in real time, and the controller receives and processes the first weight signal;
s4, when the controller identifies that the load weight of the material conveying vehicle is smaller than or equal to a second weight threshold value, the controller sends a return instruction to the frequency converter, and the frequency converter drives the material conveying vehicle to operate to the material receiving position at a second speed through the motor; wherein the second speed is greater than the first speed;
and S5, when the first position switch of the material receiving position detects that the material transporting vehicle returns, the automatic brake mechanism works, and the material transporting vehicle stops running.
9. The efficient feeding method of the asphalt mixture grade batching bin according to claim 8, characterized in that: in step S1, the method for selecting the target discharge level includes:
s1.1, sensing the weight change of a storage bin corresponding to the unloading position by a second weighing sensor, transmitting a corresponding second weight signal to a controller in real time, and receiving and processing the second weight signal by the controller;
s1.2, when the controller identifies that the weight of any one bin is smaller than or equal to a third weight threshold value, the controller selects the discharging position where the material shortage bin is located as a target discharging position.
10. The efficient feeding method of the asphalt mixture grade batching bin according to claim 8, characterized in that: in step S1, the method for loading the material transporting vehicle at the material receiving position includes: and conveying the materials required by the material bin corresponding to the target unloading position to the material conveying vehicle through the automatic material conveying mechanism.
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| CN202011002007.9A CN112061707A (en) | 2020-09-22 | 2020-09-22 | Efficient feeding system and method for asphalt mixture grade batching bin |
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| CN113561335A (en) * | 2021-06-10 | 2021-10-29 | 三一汽车制造有限公司 | Method and device for calculating residual aggregate amount of aggregate bin and mixing station |
| CN114249142A (en) * | 2022-01-10 | 2022-03-29 | 中煤科工智能储装技术有限公司 | Multi-channel warehouse allocation container packing equipment and method |
| CN114380080A (en) * | 2021-12-30 | 2022-04-22 | 牧原食品股份有限公司 | Method, system and readable storage medium for automatically counting poultry and livestock solid manure yield |
| CN114890078A (en) * | 2022-05-18 | 2022-08-12 | 嘉兴学院 | AGV high accuracy production material butt joint operation control system |
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