Quantitative automatic loading and anti-overflow device

Through the quantitative automatic loading and anti-overflow device, the humidity sensor and radar material measurement system are used to solve the overflow problem during the loading of liquid materials, realize uniform feeding, emergency stop and overflow recovery, and ensure the stability and accuracy of the loading process.

CN116902899BActive Publication Date: 2025-09-23GUANGDONG KEDA METROLOGY TECH CO LTD
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Patent Information

Application Number
CN202310992535.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-08-08
Publication Date
2025-09-23
Estimated Expiration
2043-08-08

AI Technical Summary

Technical Problem

The existing liquid material loading system is prone to deviation and short circuit during the flow meter flow signal transmission process, resulting in overflow, and temperature measurement errors affect the flow rate, making the system unstable.

Method used

A quantitative automatic loading and overflow prevention device is adopted, including a loading hopper, a radar measuring system, an overflow detection mechanism, a sealing mechanism and an overflow prevention and recovery mechanism. Overflow is detected by a humidity sensor, the electric telescopic rod seals the feed port, negative pressure is used to recover overflow, and the radar measuring system is used to monitor the vehicle loading height in real time.

Benefits of technology

It achieves uniform and accurate feeding of liquid materials, stops overflowing in an emergency, prevents material from overflowing and spreading, reduces waste, and ensures the stability and accuracy of the loading process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a quantitative automatic loading and overflow prevention device, comprising a loading hopper, a connecting flange installed on the top surface of the loading hopper and a radar material measuring system, a discharge pipe is installed on the bottom surface of the loading hopper, an overflow detection mechanism is installed on the outer surface of the discharge pipe, a sealing mechanism is installed on the outer surface of the overflow detection mechanism, and an overflow prevention and recovery mechanism is installed on the outer surface of the loading hopper; the quantitative automatic loading and overflow prevention device allows excess material in the loading hopper to enter the material storage box from the discharge pipe due to negative pressure, thereby further preventing the spread of material and reminding staff to inspect the quantitative discharge system at the same time. After confirming that there is no more material leakage, the electromagnet is energized and has magnetism. Under the action of the magnetic repulsive force, the magnet push plate moves upward along the inside of the material storage box, thereby leading the material in the material storage box from the recovery pipe to the loading hopper for continued feeding without causing material waste.
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Description

Technical Field

[0001] The invention relates to the technical field of quantitative automatic loading systems, in particular to a quantitative automatic loading anti-overflow device. Background Art

[0002] In the exploration of automated loading of liquid materials, the quantitative loading system is used to measure the liquid materials. At the same time, it is interlocked with thermometers, liquid level switches, grounding switches, control valves, process / PLC controllers and other safety devices to achieve automated filling of liquid materials, ensuring high safety, high precision and high efficiency of batch delivery of materials. The system can be operated independently and monitored on-site by operators, or it can be connected to the computer in the control room via a communication cable. The on-site loading situation is summarized in the control room, and various loading reports are centrally monitored, managed, displayed and printed by the computer.

[0003] The existing technology has the following defects or problems:

[0004] 1. The oil in the existing oil tank flows through the transfer pump, enters the oil inlet valve, passes through the flow meter, passes through the electro-hydraulic valve, and then passes through the loading valve and is loaded into the vehicle body through the crane pipe. However, during the loading process, the flow meter's flow signal is transmitted in real time, and flow deviation or flow short circuit often occurs, causing instability of the entire filling system and possible overflow.

[0005] 2. Since temperature has a certain influence on the volume of light oil products, when there is a large deviation in temperature measurement, there will be a certain error in the flow of the filling system, which will also cause the entire filling system to be unstable, and may cause overflow. Summary of the Invention

[0006] The purpose of the present invention is to provide a quantitative automatic loading and overflow prevention device to address the deficiencies of the prior art and to solve the problems raised in the background art.

[0007] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a quantitative automatic loading and overflow prevention device, comprising a loading hopper, a connecting flange installed on the top surface of the loading hopper and a radar measuring system; a discharge pipe is installed on the bottom surface of the loading hopper, and the vehicle drives under the loading hopper, and the control system controls the movement of the loading hopper to insert the discharge pipe into the vehicle feed port; an overflow detection mechanism is installed on the outer surface of the discharge pipe, and the overflow detection mechanism is used to detect whether overflow occurs at the discharge pipe; a sealing mechanism is installed on the outer surface of the overflow detection mechanism, and the sealing mechanism is used to prevent material from spreading after overflow occurs; an overflow prevention recovery mechanism is installed on the outer surface of the loading hopper, and the overflow prevention recovery mechanism is used to recover overflow after overflow occurs.

[0008] As a preferred technical solution of the present invention, the overflow detection mechanism includes a fixed cover plate and a detection component, the fixed cover plate is sleeved on the outer surface of the discharge pipe, and the detection component is installed on the outer surface of the fixed cover plate.

[0009] As a preferred technical solution of the present invention, the detection component includes a sponge ring and a humidity sensor. An annular groove is provided on the bottom surface of the fixed cover plate. The sponge ring is installed on the inner wall of the annular groove. The fixed cover plate covers the outside of the vehicle feed port, so that the sponge ring is pressed tightly against the vehicle feed port. The amount and flow rate of the material entering the loading hopper are controlled by the flow valve to achieve uniform and accurate feeding.

[0010] Several humidity sensors are evenly distributed inside the sponge ring. When overflow occurs, the material first immerses into the sponge ring. At this time, the humidity sensor detects that the humidity inside the sponge ring increases. The humidity sensor sends the detection result to the control system, which indicates that overflow occurs. The control system controls the flow valve to close and stops the discharge urgently.

[0011] As a preferred technical solution of the present invention, the sealing mechanism includes a driving assembly and a sealing assembly. The driving assembly is installed on the outer surface of the fixed cover plate, and the sealing assembly is installed on the outer surface of the driving assembly.

[0012] As a preferred technical solution of the present invention, the driving assembly includes an electric telescopic rod and a movable cover plate. The movable cover plate is movably mounted on the outer surface of the fixed cover plate. The electric telescopic rod is installed between the top surface of the movable cover plate and the outer surface of the loading hopper. The electric telescopic rod is controlled to extend so that the movable cover plate moves to the outside of the vehicle feed port. When the heating wire is energized, it heats up, causing the hot melt rubber ring to melt, thereby sealing the movable cover plate and the vehicle feed port to prevent material overflow.

[0013] As a preferred technical solution of the present invention, the sealing assembly includes a heating wire and a hot-melt adhesive ring. A receiving groove is provided on the bottom surface of the movable cover plate, and a plurality of thermal conductive plates are installed on the inner wall of the receiving groove. The heating wire is installed on one side surface of the thermal conductive plate, and the hot-melt adhesive ring is installed on the other side surface of the thermal conductive plate. When the heating wire is energized, it generates heat, causing the hot-melt adhesive ring to melt, thereby sealing the movable cover plate and the vehicle feed port to prevent material overflow.

[0014] As a preferred technical solution of the present invention, the overflow prevention and recovery mechanism includes an overflow prevention component and a recovery component. The overflow prevention component is installed on the outer surface of the loading hopper, and the recovery component is installed inside the overflow prevention component.

[0015] As a preferred technical solution of the present invention, the anti-overflow component includes a material storage box and a solenoid valve, a fixed bracket is installed on the bottom end surface of the connecting flange, the material storage box is installed on the bottom end surface of the fixed bracket, a derivation pipe is installed between the material storage box and the loading hopper, and the solenoid valve is installed inside the derivation pipe. When the solenoid valve is opened, the excess material in the loading hopper enters the material storage box from the derivation pipe due to the negative pressure, thereby further preventing the material from spreading and reminding the staff to inspect the quantitative discharging system.

[0016] A recovery pipe is installed between the storage box and the loading hopper, and a one-way valve is installed inside the recovery pipe. The material in the storage box is discharged from the recovery pipe to the loading hopper for continued feeding without causing material waste.

[0017] As a preferred technical solution of the present invention, the recovery component includes a magnet push plate and an electromagnet. The magnet push plate is movably installed on the inner wall of the storage box. A movable groove is provided at the bottom end of the inner wall of the storage box. A connecting spring is installed between the bottom end of the inner wall of the movable groove and the magnet push plate. The electromagnet is installed inside the storage box below the magnet push plate, so that the electromagnet has magnetism when energized. Under the action of the magnetic repulsive force, the magnet push plate moves upward along the inside of the storage box, and the material in the storage box is discharged from the recovery pipe to the loading hopper.

[0018] As a preferred technical solution of the present invention, the radar material measurement system includes a radar scanning unit, a vehicle measurement unit, a material discharge calculation unit and a control unit;

[0019] The radar scanning unit uses a set of high-frequency precision multi-line laser radars to perform real-time cloud map scanning of vehicles entering the loading area of ​​the scale, and sends the scanning results to the vehicle measurement unit;

[0020] After obtaining the cloud map, the vehicle measurement unit performs necessary filtering and graphic algorithm calculations on the cloud map to obtain the length, width, tailgate size, rear position, parking position, and the real-time position of the front tailgate relative to the unloading port of the vehicle. During the entire process of vehicle arrival and loading, the height of the loaded material is obtained in real time and the real-time data is sent to the unloading calculation unit.

[0021] The unloading calculation unit calculates the remaining loading amount of the vehicle based on the vehicle data obtained by the vehicle measurement unit and sends it to the control unit. At the same time, it compares the real-time height of the vehicle loading with the height difference of the sideboard and sends the abnormal height difference result to the control unit.

[0022] The control unit obtains the calculation results of the unloading calculation unit, controls the unloading amount according to the amount to be loaded, until the pre-loaded amount is reached and the loading is completed, and broadcasts a reminder for the vehicle to pick up the weighing order and unload; after receiving the abnormal height difference information, it issues a command to stop unloading or move the belt, controls the bulk loader to close the valve to stop unloading or move the belt to drive the bulk loader to continue unloading.

[0023] Compared with the prior art, the present invention provides a quantitative automatic loading and overflow prevention device with the following features:

[0024] Beneficial effects:

[0025] 1. This quantitative automatic loading and overflow prevention device inserts the discharge pipe into the vehicle feed port. At this time, the fixed cover covers the outside of the vehicle feed port, so that the sponge ring is pressed tightly at the vehicle feed port. The flow valve controls the amount of material entering the loading hopper and the material flow rate to achieve uniform and accurate feeding.

[0026] 2. The quantitative automatic loading and anti-overflow device detects the increase of humidity in the sponge ring through the humidity sensor. The humidity sensor sends the detection result to the control system, which indicates that overflow has occurred. The control system controls the flow valve to close and stops the discharge urgently. At the same time, the electric telescopic rod is controlled to extend so that the movable cover moves to the outside of the vehicle feed port. When the heating wire is energized, it heats up and melts the hot melt rubber ring, thereby making the movable cover and the vehicle feed port sealed and preventing material overflow.

[0027] 3. The quantitative automatic loading anti-overflow device, due to the negative pressure, the excess material in the loading hopper is discharged from the outlet pipe into the storage box, further preventing the spread of material, and at the same time reminding the staff to inspect the quantitative discharge system. After confirming that there is no more leakage, the electromagnet is energized and becomes magnetic. Under the action of magnetic repulsion, the magnet push plate moves upward along the inside of the storage box, thereby discharging the material in the storage box from the recovery pipe to the loading hopper for continued feeding without causing material waste.

[0028] 4. The quantitative automatic loading and anti-overflow device uses a radar measuring system to perform real-time cloud map scanning of vehicles entering the loading area of ​​the scale, and performs necessary filtering and graphic algorithm operations on the cloud map. It obtains the height of the loaded material in real time during the entire process of vehicle arrival and loading, and compares it with the height of the sideboard. When the material height exceeds the height limit of the sideboard, the real-time position data is sent to the unloading control PLC, and the PLC issues a command to stop unloading or move the belt to avoid overflow. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a schematic diagram of the overall external structure of the present invention;

[0030] Figure 2 This is a schematic diagram of the overall external structure of the present invention from another angle;

[0031] Figure 3 Schematic diagram of the internal structure of the present invention;

[0032] Figure 4 For the present invention Figure 3A schematic diagram of the structure of part A in the middle;

[0033] Figure 5 This is a schematic diagram of the internal structure of the present invention from another angle.

[0034] In the figure: 1. Loading hopper; 2. Connecting flange; 3. Discharge pipe; 4. Fixed cover; 5. Sponge ring; 6. Humidity sensor; 7. Movable cover; 8. Electric telescopic rod; 9. Receiving slot; 10. Thermal conductive plate; 11. Heating wire; 12. Hot melt adhesive ring; 13. Fixed bracket; 14. Storage box; 15. Discharge pipe; 16. Solenoid valve; 17. Recovery pipe; 18. One-way valve; 19. Magnet push plate; 20. Movable slot; 21. Connecting spring; 22. Electromagnet. DETAILED DESCRIPTION

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0036] See also Figure 1-5 In this embodiment: a quantitative automatic loading and overflow prevention device includes a loading hopper 1, a connecting flange 2 installed on the top surface of the loading hopper 1 and a radar measuring system. A discharge pipe 3 is installed on the bottom surface of the loading hopper 1. When the vehicle drives under the loading hopper 1, the control system controls the loading hopper 1 to move and inserts the discharge pipe 3 into the vehicle feed port. An overflow detection mechanism is installed on the outer surface of the discharge pipe. The overflow detection mechanism is used to detect whether overflow occurs at the discharge pipe 3. A sealing mechanism is installed on the outer surface of the overflow detection mechanism. The sealing mechanism is used to prevent the spread of material after overflow occurs. An overflow prevention and recovery mechanism is installed on the outer surface of the loading hopper 1. The overflow prevention and recovery mechanism is used to recover overflow after overflow occurs.

[0037] Specifically, the overflow detection mechanism includes a fixed cover plate 4 and a detection component. The fixed cover plate 4 is sleeved on the outer surface of the discharge pipe 3 , and the detection component is installed on the outer surface of the fixed cover plate 4 .

[0038] Furthermore, the detection component includes a sponge ring 5 and a humidity sensor 6. An annular groove is provided on the bottom surface of the fixed cover plate 4. The sponge ring 5 is installed on the inner wall of the annular groove. The fixed cover plate 4 covers the outside of the vehicle feed port, so that the sponge ring 5 is pressed tightly against the vehicle feed port. The amount and flow rate of the material entering the loading hopper 1 are controlled by the flow valve to achieve uniform and accurate feeding.

[0039] Several humidity sensors 6 are evenly distributed inside the sponge ring 5. When overflow occurs, the material first immerses in the sponge ring 5. At this time, the humidity sensor 6 detects that the humidity inside the sponge ring 5 increases. The humidity sensor 6 sends the detection result to the control system, which indicates that overflow occurs. The control system controls the flow valve to close and stops the discharge urgently.

[0040] Furthermore, the sealing mechanism includes a driving assembly and a sealing assembly. The driving assembly is mounted on the outer surface of the fixed cover plate 4 , and the sealing assembly is mounted on the outer surface of the driving assembly.

[0041] Furthermore, the driving assembly includes an electric telescopic rod 8 and a movable cover 7. The movable cover 7 is movably mounted on the outer surface of the fixed cover 4. The electric telescopic rod 8 is installed between the top surface of the movable cover 7 and the outer surface of the loading hopper 1. The electric telescopic rod 8 is controlled to extend so that the movable cover 7 moves to the outside of the vehicle feed port. The heating wire 11 heats up after being energized, causing the hot melt rubber ring 12 to melt, thereby sealing the connection between the movable cover 7 and the vehicle feed port to prevent material overflow.

[0042] Furthermore, the sealing assembly includes a heating wire 11 and a hot-melt adhesive ring 12. A receiving groove 9 is provided on the bottom surface of the movable cover 7. Several thermal conductive plates 10 are installed on the inner wall of the receiving groove 9. The heating wire 11 is installed on one side surface of the thermal conductive plate 10, and the hot-melt adhesive ring 12 is installed on the other side surface of the thermal conductive plate 10. When the heating wire 11 is energized, it generates heat, causing the hot-melt adhesive ring 12 to melt, thereby sealing the connection between the movable cover 7 and the vehicle feed port to prevent material overflow.

[0043] Furthermore, the overflow prevention and recovery mechanism includes an overflow prevention component and a recovery component. The overflow prevention component is installed on the outer surface of the loading hopper 1, and the recovery component is installed inside the overflow prevention component.

[0044] Furthermore, the overflow prevention component includes a storage box 14 and a solenoid valve 16. A fixing bracket 13 is installed on the bottom surface of the connecting flange 2. The storage box 14 is installed on the bottom surface of the fixing bracket 13. A derivation pipe 15 is installed between the storage box 14 and the loading hopper 1. The solenoid valve 16 is installed inside the derivation pipe 15. When the solenoid valve 16 is opened, the excess material in the loading hopper 1 enters the storage box 14 from the derivation pipe 15 due to the negative pressure, further preventing the spread of the material and reminding the staff to inspect the quantitative discharging system.

[0045] A recovery pipe 17 is installed between the storage box 14 and the loading hopper 1, and a one-way valve 18 is installed inside the recovery pipe 17. The material in the storage box 14 is discharged from the recovery pipe 17 to the loading hopper 1 for continued feeding without causing material waste.

[0046] Furthermore, the recycling component includes a magnet push plate 19 and an electromagnet 22. The magnet push plate 19 is movably installed on the inner wall of the storage box 14. A movable groove 20 is provided at the bottom end of the inner wall of the storage box 14. A connecting spring 21 is installed between the bottom end of the inner wall of the movable groove 20 and the magnet push plate 19. The electromagnet 22 is installed inside the storage box 14 below the magnet push plate 19, so that the electromagnet 22 is magnetic when energized. Under the action of the magnetic repulsive force, the magnet push plate 19 moves upward along the inside of the storage box 14, and the material in the storage box 14 is discharged from the recovery pipe 17 to the loading hopper 1.

[0047] Furthermore, the radar material measurement system includes a radar scanning unit, a vehicle measurement unit, a material discharge calculation unit and a control unit;

[0048] The radar scanning unit uses a set of high-frequency precision multi-line laser radars to perform real-time cloud map scanning of vehicles entering the loading area of ​​the scale, and sends the scanning results to the vehicle measurement unit;

[0049] After obtaining the cloud map, the vehicle measurement unit performs necessary filtering and graphic algorithm calculations on the cloud map to obtain the length, width, tailgate size, rear position, parking position, and the real-time position of the front tailgate relative to the unloading port of the vehicle. During the entire process of vehicle arrival and loading, the height of the loaded material is obtained in real time and the real-time data is sent to the unloading calculation unit.

[0050] The unloading calculation unit calculates the remaining loading amount of the vehicle based on the vehicle data obtained by the vehicle measurement unit and sends it to the control unit. At the same time, it compares the real-time height of the vehicle loading with the height difference of the sideboard and sends the abnormal height difference result to the control unit.

[0051] The control unit obtains the calculation results of the unloading calculation unit, controls the unloading amount according to the amount to be loaded, until the pre-loaded amount is reached and the loading is completed, and broadcasts a reminder for the vehicle to pick up the weighing order and unload; after receiving the abnormal height difference information, it issues a command to stop unloading or move the belt, controls the bulk loader to close the valve to stop unloading or move the belt to drive the bulk loader to continue unloading.

[0052] The working principle and use process of the present invention are as follows: when quantitative loading is performed, the vehicle drives under the loading hopper 1, the control system controls the movement of the loading hopper 1, and the discharge pipe 3 is inserted into the vehicle feed port. At this time, the fixed cover plate 4 covers the outside of the vehicle feed port, so that the sponge ring 5 is pressed tightly at the vehicle feed port. The amount of material entering the loading hopper 1 and the material flow rate are controlled by the flow valve to achieve uniform and accurate feeding;

[0053] When overflow occurs, the material first immerses in the sponge ring 5. At this time, the humidity sensor 6 detects that the humidity in the sponge ring 5 increases. The humidity sensor 6 sends the detection result to the control system, which indicates that overflow occurs. The control system controls the flow valve to close, stops the discharge urgently, and controls the electric telescopic rod 8 to extend, so that the movable cover plate 7 moves to the outside of the vehicle feed port. The heating wire 11 is energized and heats up, so that the hot melt adhesive ring 12 melts, thereby making the movable cover plate 7 and the vehicle feed port sealed and connected to prevent material overflow.

[0054] At the same time, the solenoid valve 16 is opened. At this time, the excess material in the loading hopper 1 enters the storage box 14 from the outlet pipe 15 due to the negative pressure, further preventing the material from spreading. At the same time, the staff is reminded to inspect the quantitative discharging system. After confirming that there is no more leakage, the electric telescopic rod 8 drives the movable cover 7 to reset, and the movable cover 7 is peeled off from the vehicle feed port. Then the electromagnet 22 is energized and magnetic. Under the action of magnetic repulsion, the magnet push plate 19 moves upward along the inside of the storage box 14, thereby leading the material in the storage box 14 from the recovery pipe 17 to the loading hopper 1, and continuing to add material will not cause material waste.

[0055] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or substitute equivalents for some of the technical features. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. Quantitative automatic loading and anti-overflow device, characterized by: The invention comprises a loading hopper (1), a connecting flange (2) installed on the top surface of the loading hopper (1) and a radar material measuring system, wherein a discharge pipe (3) is installed on the bottom surface of the loading hopper (1), an overflow detection mechanism is installed on the outer surface of the discharge pipe, the overflow detection mechanism is used to detect whether overflow occurs at the discharge pipe (3), a sealing mechanism is installed on the outer surface of the overflow detection mechanism, the sealing mechanism is used to prevent the material from spreading after overflow occurs, an anti-overflow recovery mechanism is installed on the outer surface of the loading hopper (1), the anti-overflow recovery mechanism is used to recover overflow after overflow occurs, the overflow detection mechanism comprises a fixed cover plate (4) and a detection component, the fixed cover plate (4) is sleeved on the outer surface of the discharge pipe (3), the detection component is installed on the outer surface of the fixed cover plate (4), the sealing mechanism comprises a driving component and a sealing component, the driving component is installed on the outer surface of the fixed cover plate (4), the sealing component is installed On the outer surface of the driving assembly, the driving assembly includes an electric telescopic rod (8) and a movable cover (7), the movable cover (7) is movably mounted on the outer surface of the fixed cover (4), the electric telescopic rod (8) is installed between the top surface of the movable cover (7) and the outer surface of the loading hopper (1), the driving assembly includes an electric telescopic rod (8) and a movable cover (7), the movable cover (7) is movably mounted on the outer surface of the fixed cover (4), the electric telescopic rod (8) is installed between the top surface of the movable cover (7) and the outer surface of the loading hopper (1), The rod (8) is installed between the top surface of the movable cover (7) and the outer surface of the loading hopper (1), and the sealing component includes a heating wire (11) and a hot melt adhesive ring (12). The bottom surface of the movable cover (7) is provided with a receiving groove (9), and a plurality of thermal conductive plates (10) are installed on the inner wall of the receiving groove (9). The heating wire (11) is installed on one side surface of the thermal conductive plate (10), and the hot melt adhesive ring (12) is installed on the other side surface of the thermal conductive plate (10).

2. The quantitative automatic loading and overflow prevention device according to claim 1 is characterized in that: The detection component comprises a sponge ring (5) and a humidity sensor (6); an annular groove is provided on the bottom surface of the fixed cover plate (4); the sponge ring (5) is installed on the inner wall of the annular groove; and a plurality of humidity sensors (6) are evenly distributed inside the sponge ring (5).

3. The quantitative automatic loading and overflow prevention device according to claim 1 is characterized in that: The overflow prevention and recovery mechanism comprises an overflow prevention component and a recovery component, wherein the overflow prevention component is installed on the outer surface of the loading hopper (1), and the recovery component is installed inside the overflow prevention component.

4. The quantitative automatic loading and overflow prevention device according to claim 3 is characterized in that: The anti-overflow assembly includes a material storage box (14) and a solenoid valve (16); a fixing bracket (13) is installed on the bottom end surface of the connecting flange (2); the material storage box (14) is installed on the bottom end surface of the fixing bracket (13); a discharge pipe (15) is installed between the material storage box (14) and the loading hopper (1); the solenoid valve (16) is installed inside the discharge pipe (15); a recovery pipe (17) is installed between the material storage box (14) and the loading hopper (1); and a one-way valve (18) is installed inside the recovery pipe (17).

5. The quantitative automatic loading and overflow prevention device according to claim 3 is characterized in that: The recovery component includes a magnet push plate (19) and an electromagnet (22), wherein the magnet push plate (19) is movably mounted on the inner wall of the storage box (14), a movable groove (20) is provided at the bottom end of the inner wall of the storage box (14), a connecting spring (21) is installed between the bottom end of the inner wall of the movable groove (20) and the magnet push plate (19), and the electromagnet (22) is mounted inside the storage box (14) below the magnet push plate (19).

6. The quantitative automatic loading and overflow prevention device according to claim 1 is characterized in that: The radar material measurement system includes a radar scanning unit, a vehicle measurement unit, a material discharge calculation unit and a control unit; The radar scanning unit uses a set of high-frequency precision multi-line laser radars to perform real-time cloud map scanning of vehicles entering the loading area of ​​the scale, and sends the scanning results to the vehicle measurement unit; After obtaining the cloud map, the vehicle measurement unit performs necessary filtering and graphic algorithm calculations on the cloud map to obtain the length, width, tailgate size, rear position, parking position, and the real-time position of the front tailgate relative to the unloading port of the vehicle. During the entire process of vehicle arrival and loading, the height of the loaded material is obtained in real time and the real-time data is sent to the unloading calculation unit. The unloading calculation unit calculates the remaining loading amount of the vehicle based on the vehicle data obtained by the vehicle measurement unit and sends it to the control unit. At the same time, it compares the real-time height of the vehicle loading with the height difference of the sideboard and sends the abnormal height difference result to the control unit. The control unit obtains the calculation results of the unloading calculation unit, controls the unloading amount according to the amount to be loaded, until the pre-loaded amount is reached and the loading is completed, and broadcasts a reminder for the vehicle to pick up the weighing order and unload; after receiving the abnormal height difference information, it issues a command to stop unloading or move the belt, controls the bulk loader to close the valve to stop unloading or move the belt to drive the bulk loader to continue unloading.

Citation Information

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