Electric transport device for agricultural products

Abstract

The invention discloses an electric agricultural product conveying device which comprises a conveying mechanism, a washing mechanism, a rack, a viscosity monitoring mechanism and a controller. The viscosity monitoring mechanism is provided with a plurality of monitoring heads which are sequentially arranged in the width direction so as to monitor local surface viscosity of the belt body, and the flushing mechanism is provided with a spray head which can move in the width direction and spray high-pressure water flow towards the belt body. The controller is electrically connected with the conveying mechanism, the flushing mechanism and the viscosity monitoring mechanism, the purposes of monitoring the belt surface adhesion degree in real time and positioning and cleaning a polluted area can be achieved, and the efficient and water-saving cleaning effect is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of transportation devices, especially the technical field of agricultural product transportation. Background Art

[0002] An agricultural product conveyor is a device that forms a continuous conveying path using a conveyor belt, capable of achieving continuous, efficient, and safe transportation of agricultural products (agricultural products are usually placed on the conveyor belt and move forward with the movement of the conveyor belt). For example, an agricultural product transportation device with auxiliary functions with the publication number CN119734957A, an automatic loading and unloading device for intelligent transportation of agricultural products with the publication number CN118047240A, and an intelligent conveyor specifically for fresh agricultural products with the announcement number CN117657683B.

[0003] When an agricultural product conveyor is applied to the transportation of fruits, especially during the transportation of fruits with rich juice such as oranges, the surface of the belt is easily adhered with the juice exuded from the fruits due to bumping and squeezing; dirt such as fructose and pectin remaining in the juice will gradually accumulate on the surface of the belt and cause hygiene hazards (the accumulation of viscous substances is likely to breed bacteria or molds and contaminate the fruits transported subsequently, not meeting the food safety production standards), and at the same time, it will lead to transportation congestion (affecting transportation efficiency and quality).

[0004] Traditional agricultural product conveyors rely on manual periodic shutdown for flushing, which is very time-consuming and laborious; in addition, there are also some transportation devices on the market that adopt the design of adding a water pipe above the belt for full-section flushing, such as a belt water flushing and cleaning device with the announcement number CN114919963B; however, such devices are not only difficult to treat local adhesion areas specifically (if the high-pressure water flow does not scour the high-viscosity area separately, it may not be able to completely remove stubborn residues), but also have the problem of resource waste (unable to accurately identify the adhesion area and can only perform full-coverage flushing, resulting in waste of water resources and energy consumption). Summary of the Invention

[0005] The purpose of the present invention is to solve the problems in the prior art, and propose an electric agricultural product transportation device, which can achieve the purpose of real-time monitoring of the adhesion degree of the belt surface and positioning and cleaning of the polluted area, and realize efficient and water-saving cleaning effects.

[0006] To achieve the above purpose, the present invention proposes an electric agricultural product transportation device, including a conveying mechanism, a flushing mechanism, a frame, a viscosity monitoring mechanism, and a controller. The conveying mechanism makes the belt horizontally or inclined through the frame. The viscosity monitoring mechanism has a number of monitoring heads arranged in sequence along the width direction to respectively monitor the local surface viscosity of the belt. The flushing mechanism has a nozzle that can move along the width direction and spray high-pressure water flow towards the belt. The controller is electrically connected to the conveying mechanism, the flushing mechanism, and the viscosity monitoring mechanism respectively.

[0007] Preferably, the conveying mechanism includes a belt, a driven roller, a driving roller, a conveying motor and a tensioner. The belt is sleeved outside the driven roller and the driving roller at the same time and is tensioned by the tensioner. The driving roller is driven by the conveying motor to rotate self - sufficiently.

[0008] Preferably, the tensioner includes a tensioning roller, a connecting rod and a base. The base is fixed to the frame. One end of the connecting rod is threadedly connected to the base through a fastener, and the other end is rotatably connected with the tensioning roller. The tensioning roller can swing with the rotation of the connecting rod to approach and support or move away from and relax the belt.

[0009] Preferably, a roller brush is rotatably connected to the frame. The roller brush is arranged opposite to the driven roller or the driving roller and brushes the belt synchronously along the outer surface.

[0010] Preferably, the flushing mechanism includes a track, a traveling seat and a nozzle. The track is indirectly connected to the frame through a bracket and is arranged perpendicular to the conveying direction. The traveling seat can drive the nozzle to move back and forth along the track. The nozzle is connected to the water source through a liquid pipe equipped with a liquid pump, a flow meter and a solenoid valve.

[0011] Preferably, the track includes an upper plate body, a lower plate body and a connecting plate. The connecting plate is fixed between the upper plate body and the lower plate body which are horizontally arranged one above the other. The traveling seat includes a housing, a traveling motor, a gear and a transmission belt. The track penetrates through the housing along a notch. The traveling motor is built in the housing and can drive the gear to rotate self - sufficiently through the transmission belt. The gear is rotatably connected to the housing and meshes with the upper plate body or the lower plate body through a rack synchronously.

[0012] Preferably, sealing plates are respectively arranged at both ends of the track to prevent the gear from turning out along the upper plate body or the lower plate body.

[0013] Preferably, a guide wheel is also rotatably connected in the housing. The guide wheel rolls along a guide groove located at the adjacent surface of the upper plate body and the lower plate body.

[0014] Preferably, the viscosity monitoring mechanism includes a base cylinder and a monitoring head. The base cylinder is indirectly connected to the frame through a cylinder frame and is arranged perpendicular to the conveying direction. The monitoring head is jointly composed of a tension sensor and a tension piece. The tension sensor is built in the base cylinder. One end of the tension piece penetrates through the base cylinder and is connected to the tension sensor, and the other end abuts against the belt.

[0015] Preferably, the tension piece is an elastic metal piece.

[0016] The beneficial effects of the present invention: 1) By arranging a number of monitoring heads along the width direction through the viscosity monitoring mechanism, the local surface viscosity of the belt at the corresponding width positions can be monitored separately by each monitoring head during the rotation of the belt. Then, the flushing mechanism moves the nozzle to the width range where stickiness is detected and sprays high-pressure water towards the belt, ultimately achieving the purpose of real-time monitoring of the adhesion degree of the belt surface and positioning and cleaning of the contaminated area, and realizing an efficient and water-saving cleaning effect; 2) By adopting an I-shaped track formed by the upper plate body, the lower plate body and the connecting plate to jointly constitute the flushing mechanism, and installing a walking seat formed by combining a machine shell, a walking motor, a gear, a transmission belt and a guide wheel on the track, the walking motor can be used to drive the gear to rotate along the upper plate body or the lower plate body with a rack to drive the walking seat to move and adjust the width position, and the guide wheel rolling between the upper plate body and the lower plate body can also be used to enhance the moving stability of the walking seat; 3) By adopting a base cylinder and a number of monitoring heads composed of a tension sensor and a tension piece arranged along the base cylinder to form a viscosity monitoring mechanism, not only can this modular design be used to realize the separate disassembly, replacement and maintenance of some monitoring heads, but also the installation density of the monitoring heads can be adjusted according to requirements to improve the monitoring accuracy of the viscosity monitoring mechanism for covering the dirt range; 4) By adding a rotatable roller brush on the frame and setting the roller brush to oppose the passive roller or the active roller, the outer surface of the belt can be brushed synchronously by the roller brush to further improve the belt washing efficiency.

[0017] The features and advantages of the present invention will be described in detail through embodiments in conjunction with the accompanying drawings. Description of the Drawings

[0018] Figure 1 is the front view of Embodiment 1; Figure 2 is the assembly schematic diagram of the conveying mechanism (removing the conveying motor) and the viscosity monitoring mechanism (removing the base cylinder) of Embodiment 1; Figure 3 is the front view of the flushing mechanism of Embodiment 1; Figure 4 is the front view of the flushing mechanism of Embodiment 1 when the machine shell is removed; Figure 5 is the right view of the flushing mechanism of Embodiment 1 when the machine shell is removed; Figure 6 is the front view of the viscosity monitoring mechanism of Embodiment 1; Figure 7 is the assembly schematic diagram of the conveying mechanism (removing the conveying motor), the roller brush and the viscosity monitoring mechanism (removing the base cylinder) of Embodiment 2.

[0019] In the figure: 1 - conveying mechanism, 11 - belt body, 12 - driven roller, 13 - driving roller, 14 - conveying motor, 15 - tensioning roller, 16 - connecting rod, 17 - base, 2 - roller brush, 3 - flushing mechanism, 31 - track, 311 - upper plate body, 312 - lower plate body, 313 - connecting plate, 314 - sealing plate, 32 - traveling seat, 321 - housing, 322 - traveling motor, 323 - gear, 324 - transmission belt, 325 - guide wheel, 33 - nozzle, 4 - frame, 5 - viscosity monitoring mechanism, 51 - base cylinder, 52 - tension sensor, 53 - tension piece, 6 - controller. Detailed implementation mode

[0020] Embodiment 1: Refer to Figures 1 to 6 , this embodiment includes a conveying mechanism 1, a flushing mechanism 3, a frame 4, a viscosity monitoring mechanism 5 and a controller 6. The conveying mechanism 1 makes the belt body 11 set horizontally or obliquely through the frame 4. The viscosity monitoring mechanism 5 has a plurality of monitoring heads arranged in sequence along the width direction to respectively monitor the local surface viscosity of the belt body 11. The flushing mechanism 3 has a nozzle 33 that can move along the width direction and spray high-pressure water flow towards the belt body 11. The controller 6 is electrically connected to the conveying mechanism 1, the flushing mechanism 3 and the viscosity monitoring mechanism 5 respectively. Among them, the flushing mechanism 3 raises the pressure of water to dozens or even hundreds of megapascals through a pressurizing mechanism and sprays a high-speed jet along the belt body 11. When the high-speed jet impacts the outer surface of the belt body 11, on the one hand, the kinetic energy of the high-speed water flow can directly act on the dirt, overcome the adhesion between the dirt and the belt body 11, and disperse and strip the dirt (that is, clean the dirt by using the mechanical stripping effect of the high-speed jet). On the other hand, the high-speed jet can also generate a shear force in the tiny gaps inside the dirt, further expand the cracks, destroy the self-structure of the dirt, and accelerate the shedding of the dirt (that is, clean the dirt by using the water wedge effect of the high-speed jet).

[0021] The viscosity monitoring mechanism 5 and the flushing mechanism 3 are respectively installed on the frame 4 and arranged in sequence along the conveying direction.

[0022] The conveying mechanism 1 includes a belt body 11, a driven roller 12, a driving roller 13, a conveying motor 14 and a tensioner. The belt body 11 is simultaneously sleeved outside the driven roller 12 and the driving roller 13 and is tensioned by the tensioner. The driving roller 13 is driven to rotate by the conveying motor 14.

[0023] The tensioner includes a tensioning roller 15, a connecting rod 16 and a base 17. The base 17 is fixed to the frame 4. One end of the connecting rod 16 is threadedly connected to the base 17 through a fastener, and the other end is rotatably connected with a tensioning roller 15. The tensioning roller 15 can swing with the rotation of the connecting rod 16 to approach and support or move away from and relax the belt body 11.

[0024] The rinsing mechanism 3 includes a track 31, a traveling seat 32, and a spray head 33. The track 31 is indirectly connected to the frame 4 through a bracket and is arranged perpendicular to the conveying direction. The traveling seat 32 can drive the spray head 33 to move back and forth along the track 31. The spray head 33 is connected to a water source through a liquid pipe equipped with a liquid pump, a flow meter, and a solenoid valve. Among them, the liquid pump is responsible for pressurizing the water from the water source through mechanical action (such as piston, centrifugal force, or diaphragm), significantly increasing the water pressure (bringing the water to a high-pressure state); the flow meter is used to monitor the water flow rate in real time to ensure that the flow rate meets the set value (if the flow rate is abnormal, it can feedback and adjust the pump speed or valve opening to maintain the system stability); the solenoid valve acts as a switch, which can open the pipeline when powered on and cut off the water flow when powered off, and its fast response characteristic (millisecond level) supports precise start-stop control, which is very suitable for the pulse or intermittent spraying scenario of this embodiment; with the mutual cooperation of the liquid pump, the flow meter, and the solenoid valve, the spray head 33 can intelligently adjust the cleaning intensity.

[0025] The track 31 includes an upper plate body 311, a lower plate body 312, and a connecting plate 313. The connecting plate 313 is fixed between the upper plate body 311 and the lower plate body 312 which are horizontally arranged one above the other. The traveling seat 32 includes a housing 321, a traveling motor 322, a gear 323, and a transmission belt 324. The track 31 penetrates through the housing 321 along a notch. The traveling motor 322 is built into the housing 321 and can drive the gear 323 to rotate by itself through the transmission belt 324. The gear 323 is rotatably connected to the housing 321 and synchronously meshes with the upper plate body 311 or the lower plate body 312 through a rack.

[0026] Sealing plates 314 are respectively provided at both ends of the track 31 to prevent the gear 323 from rotating out along the upper plate body 311 or the lower plate body 312.

[0027] A guide wheel 325 is also rotatably connected inside the housing 321, and the guide wheel 325 rolls along a guide groove located at the adjacent surface of the upper plate body 311 and the lower plate body 312.

[0028] The viscosity monitoring mechanism 5 includes a base cylinder 51 and a monitoring head. The base cylinder 51 is indirectly connected to the frame 4 through a cylinder frame and is arranged perpendicular to the conveying direction. The monitoring head is jointly composed of a tensile sensor 52 and a tensile piece 53. The tensile sensor 52 is built into the base cylinder 51. One end of the tensile piece 53 penetrates through the base cylinder 51 and is connected to the tensile sensor 52, and the other end abuts against the belt body 11.

[0029] The tensile piece 53 is an elastic metal piece.

[0030] The working process of the present invention: When there is a lot of dirt adhering to the belt body 11 and targeted autonomous cleaning is required, first use the conveyor motor 14 to drive the driving roller 13 to rotate self - sufficiently so that the belt body 11 rotates accordingly (during this period, the free ends of the tension pieces 53 of each monitoring head will respectively sweep across the outer surface of the belt body 11); at this time, if the free end of a certain tension piece 53 adheres to the belt body 11 briefly due to dirt, it will be pulled by the belt body 11 to synchronously pull the tension sensor 52 until the dirt - sticking section rotates away; subsequently, the traveling seat 32 moves along the track 31 to the corresponding position in the width direction and sprays high - pressure water on the belt body 11 until the dirt is washed away (that is, the tension piece 53 is no longer pulled); among them, the traveling seat 32 drives the gear 323 to rotate along the rack located on the upper plate body 311 or the lower plate body 312 through the traveling motor 322 to achieve the adjustment of the position in the width direction.

[0031] When the number of installed flushing mechanisms 3 is only one group, the flushing mechanism 3 carries out flushing work one by one according to the time when each monitoring head detects dirt; if the number of installed flushing mechanisms 3 is large, each group of flushing mechanisms 3 can flush the dirt at different width positions respectively to improve the belt - washing efficiency.

[0032] In addition, the flushing mechanism 3 can also make the traveling seat 32 move back and forth along the track 31 during the conveyance of the belt body 11 to perform non - targeted full - coverage flushing of the belt body 11.

[0033] Embodiment Three: Refer to Figure 7 , a roller brush 2 is rotatably connected to the frame 4, and the roller brush 2 is arranged opposite to the driven roller 12 or the driving roller 13 and brushes the belt body 11 synchronously along the outer surface.

[0034] Others are the same as Embodiment One.

[0035] In this embodiment, the roller brush 2 will rotate with the rotation of the belt body 11 under the action of friction, so as to brush the belt body 11 synchronously on the outer surface and assist the auxiliary nozzle 33 to clean the dirt as soon as possible.

[0036] The above embodiments are descriptions of the present invention, not limitations of the present invention. Any simply transformed scheme of the present invention belongs to the protection scope of the present invention.

Claims

1. Electric transport device for agricultural products, characterized by: The invention comprises a conveying mechanism (1), a flushing mechanism (3), a frame (4), a viscosity monitoring mechanism (5) and a controller (6); the conveying mechanism (1) allows the belt body (11) to be arranged horizontally or inclined via the frame (4); the viscosity monitoring mechanism (5) comprises a plurality of monitoring heads arranged in sequence along the width direction for respectively monitoring the local surface viscosity of the belt body (11); the flushing mechanism (3) comprises a nozzle (33) which can move along the width direction and spray a high-pressure water flow toward the belt body (11); and the controller (6) is electrically connected to the conveying mechanism (1), the flushing mechanism (3) and the viscosity monitoring mechanism (5) respectively.

2. The electric agricultural product transport device according to claim 1, characterized in that: The conveying mechanism (1) comprises a belt body (11), a passive roller (12), an active roller (13), a conveying motor (14) and a tensioner. The belt body (11) is simultaneously sleeved outside the passive roller (12) and the active roller (13) and is tensioned by the tensioner. The active roller (13) is driven to rotate by the conveying motor (14).

3. The electric agricultural product transport device according to claim 2, characterized in that: The tensioner comprises a tensioning roller (15), a connecting rod (16) and a base (17); the base (17) is fixed to the frame (4); one end of the connecting rod (16) is threadedly connected to the base (17) via a fastener and the other end is rotatably connected to the tensioning roller (15); the tensioning roller (15) can swing with the rotation of the connecting rod (16) to approach and support or move away from and relax the belt body (11).

4. The electric agricultural product transport device according to claim 2, characterized in that: A roller brush (2) is rotatably connected to the frame (4); the roller brush (2) is arranged opposite to the passive roller (12) or the active roller (13) and brushes the belt body (11) synchronously along the outer surface.

5. The electric agricultural product transport device according to claim 1, characterized in that: The flushing mechanism (3) comprises a track (31), a travel seat (32) and a nozzle (33); the track (31) is indirectly connected to the frame (4) via a bracket and is arranged perpendicular to the conveying direction; the travel seat (32) can drive the nozzle (33) to move back and forth along the track (31); the nozzle (33) is connected to a water source via a liquid pipe equipped with a liquid pump, a flow meter and a solenoid valve.

6. The electric agricultural product transport device according to claim 5, characterized in that: The track (31) comprises an upper plate (311), a lower plate (312) and a connecting plate (313); the connecting plate (313) is fixed between the upper plate (311) and the lower plate (312) which are arranged horizontally one above the other; the travel seat (32) comprises a housing (321), a travel motor (322), a gear (323) and a transmission belt (324); the track (31) passes through the housing (321) along a notch; the travel motor (322) is built into the housing (321) and can drive the gear (323) to rotate via the transmission belt (324); the gear (323) is rotatably connected to the housing (321) and is synchronously meshed with the upper plate (311) or the lower plate (312) via a rack.

7. The electric agricultural product transport device according to claim 6, characterized in that: Both ends of the track (31) are respectively provided with sealing plates (314) for preventing the gear (323) from rotating along the upper plate body (311) or the lower plate body (312).

8. The electric agricultural product transport device according to claim 6, characterized in that: A guide wheel (325) is also rotatably connected inside the housing (321), and the guide wheel (325) rolls along a guide groove located at adjacent surfaces of the upper plate body (311) and the lower plate body (312).

9. The electric agricultural product transport device according to any one of claims 1 to 8, characterized in that: The viscosity monitoring mechanism (5) comprises a base cylinder (51) and a monitoring head. The base cylinder (51) is indirectly connected to the frame (4) via a cylinder frame and is arranged perpendicular to the conveying direction. The monitoring head is composed of a tension sensor (52) and a tension sheet (53). The tension sensor (52) is built into the base cylinder (51). One end of the tension sheet (53) passes through the base cylinder (51) and is connected to the tension sensor (52), while the other end abuts against the belt body (11).

10. The electric agricultural product transport device according to claim 9, characterized in that: The tension sheet (53) is an elastic metal sheet.

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