CN219708484U

CN219708484U - Grain unloading device

Info

Publication number: CN219708484U
Application number: CN202320421041.2U
Authority: CN
Inventors: 邱杏军; 孙寿良; 张朝富; 罗承靖; 蒋晓龙
Original assignee: China Grain Wuhan Scientific Research & Design Institute Co ltd
Current assignee: China Grain Wuhan Scientific Research & Design Institute Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-09-19
Anticipated expiration: 2033-03-07

Abstract

The utility model discloses a grain unloading device, which comprises a grain unloading pit, a turning plate grain unloading device and a baffle device, wherein the grain unloading pit is formed with a turning side edge and three connecting side edges connected with the turning side edge; the turning plate grain unloading device is arranged at the turning side edge of the grain unloading pit and is used for unloading grains in the grain loading vehicle into the grain unloading pit; the baffle device comprises a baffle assembly, and the baffle assembly is arranged outside three connecting side edges of the grain unloading pit in a surrounding mode. The utility model aims to solve the problem that grains are easy to be scattered outside a grain unloading pit and the grain unloading efficiency is affected when grains are unloaded by the existing unloading device.

Description

Grain unloading device

Technical Field

The utility model relates to the technical field of grain conveying, in particular to a grain unloading device.

Background

The unloading is an essential link for grain harvesting and warehousing, after materials are unloaded from the tail of the hydraulic turning plate unloading truck, the materials automatically flow into a feeding hopper through a bearing steel grid above an unloading pit, and then grains are conveyed into a primary cleaning system or a granary through a scraper conveyor. After the hydraulic turning plate steel platform is lifted, the tail of the unloading truck is inclined to unload grains, because of the grain sliding angle and the inclination angle of the hydraulic turning plate platform, a part of grains can not flow into the feeding hopper automatically after being thrown out of the steel grating of the unloading pit, manual cleaning is needed, the cost is increased, the dust environment of the working environment is severe, and meanwhile, the unloading efficiency is greatly influenced.

Disclosure of Invention

The utility model mainly aims to provide a grain unloading device, which aims to solve the problem that grains are easy to be scattered outside a grain unloading pit and the grain unloading efficiency is affected when grains are unloaded by the existing unloading device.

In order to achieve the above object, the present utility model provides a grain unloading device, which includes:

the grain unloading pit is provided with a turnover side edge and three connecting side edges connected with the turnover side edge;

the turning plate grain unloading device is arranged at the turning side edge of the grain unloading pit and used for unloading grains in the grain loading vehicle into the grain unloading pit; the method comprises the steps of,

the baffle device comprises a baffle assembly, and the baffle assembly is arranged outside three connecting side edges of the grain unloading pit in a surrounding mode.

Optionally, a mounting pit is formed on one side of the grain unloading pit opposite to the turning plate grain unloading device;

the baffle device further includes:

the box body is arranged in the installation pit;

the lifting seat is movably arranged in the installation pit, and the baffle plate assembly is arranged on the lifting seat; the method comprises the steps of,

the lifting device is arranged in the box body and connected with the lifting seat and is used for driving the lifting seat to extend out of the installation pit or retract into the installation pit.

Optionally, the baffle device further comprises a support frame, and the support frame is fixedly installed on the lifting seat;

the baffle assembly includes:

the front baffle is fixedly arranged on the support frame and is arranged opposite to the turning plate grain unloading device;

the two side baffles are arranged on two sides of the front baffle, one end of each side baffle is hinged with the front baffle, and the other end of each side baffle can rotate towards the direction approaching to or away from the front baffle; the method comprises the steps of,

and the two first driving mechanisms are corresponding to the two side baffles and are used for driving the two side baffles to move.

Optionally, each of the first driving mechanisms includes:

the first motor is fixedly arranged on the front baffle plate and is provided with a first output shaft; the method comprises the steps of,

the connecting rod assembly comprises a first rod and a second rod, the first rod is hinged with the second rod, the first rod is fixedly connected with the first output shaft, and the second rod is connected with the side baffle.

Optionally, a plurality of buffer springs are arranged between the front baffle and the supporting frame.

Optionally, the baffle device further comprises a support frame and a lower baffle plate, one end of the lower baffle plate is hinged with the support frame, and the other end of the lower baffle plate can rotate towards a direction approaching to or away from the support frame.

Optionally, the baffle device further comprises a second driving mechanism, the second driving mechanism comprising:

a second motor having a second output shaft;

the worm gear mechanism comprises a worm wheel and a worm, the worm is connected with the second output shaft, and the worm wheel is meshed with the worm for transmission;

the screw rod nut mechanism comprises a screw rod shaft and a nut pair, the nut pair and the worm wheel coaxially rotate, and the nut pair is arranged on the screw rod shaft;

the connecting rod mechanism comprises a first transmission rod and a second transmission rod, the first transmission rod is connected with the screw rod shaft, and the second transmission rod is used for being in driving connection with the lower baffle plate.

Optionally, the panel turnover grain unloading device comprises:

one end of the bearing plate is used for installing one side of the grain unloading pit, and the other end of the bearing plate can rotate towards the direction approaching to or away from the grain unloading pit; the method comprises the steps of,

the hydraulic cylinder is arranged below the bearing plate and comprises a fixed cylinder and a telescopic cylinder, wherein the fixed cylinder is fixedly arranged on the ground, and the telescopic cylinder is connected with the bearing plate and is used for driving the bearing plate to rotate.

According to the technical scheme, a user firstly places a grain carrying vehicle loaded with grains on the turning plate grain unloading device, meanwhile, a grain unloading port of the grain carrying vehicle is opposite to the grain unloading pit, at the moment, the baffle plate assembly is enclosed on three connecting side edges of the grain unloading pit and is used for enclosing the grain unloading pit, the turning plate grain unloading device rotates in a direction away from the ground, the grain carrying vehicle is inclined, so that grains in the grain carrying vehicle drop into the grain unloading pit under the self weight, and due to the enclosing effect of the baffle plate assembly, the grains in the grain carrying vehicle can not splash everywhere and directly drop into the grain unloading pit; therefore, the waste of grains can be reduced, meanwhile, a cleaner is not required to clean, the labor cost is saved, and the grains can not splash around in the unloading process, so that dust can be prevented from being splashed around due to the grains, and the environment near the grain unloading device is better.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an embodiment of a grain unloading device according to the present utility model;

FIG. 2 is a schematic cross-sectional view of the discharge apparatus of FIG. 1;

FIG. 3 is a schematic view of the baffle assembly of FIG. 1 (excluding the housing);

FIG. 4 is a schematic diagram of the first driving mechanism in FIG. 1;

FIG. 5 is a schematic diagram of the second driving mechanism in FIG. 1;

fig. 6 is a cross-sectional view of the second drive mechanism of fig. 5 (excluding the linkage).

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

In view of the above, the present utility model provides a grain unloading device, and fig. 1 to 6 illustrate an embodiment of the grain unloading device provided by the present utility model, where the grain unloading device is capable of intercepting a grain unloading pit, so as to avoid waste caused by grain falling out of the pit; the grain storage device is mainly described below with reference to the specific drawings.

Referring to fig. 1 and 2, the grain unloading device 100 comprises a grain unloading pit 1, a turning plate grain unloading device 2 and a baffle device 3; the grain unloading pit 1 is provided with a turnover side edge 11 and three connecting side edges 12 connected with the turnover side edge 11; the turning plate grain unloading device 2 is arranged at the turning side edge 11 of the grain unloading pit 1 and is used for unloading grains in the grain loading vehicle 200 into the grain unloading pit 1; the baffle device 3 comprises a baffle assembly which is arranged outside three connecting side edges 12 of the grain unloading pit 1 in a surrounding mode.

In the technical scheme of the utility model, a user firstly parks a grain carrying vehicle 200 carrying grains on a turning plate grain unloading device 2, and simultaneously, a grain unloading port of the grain carrying vehicle 200 is opposite to a grain unloading pit 1, at the moment, the baffle plate assembly is enclosed on three connecting side edges 12 of the grain unloading pit 1 and is used for enclosing the grain unloading pit 1, the turning plate grain unloading device 2 rotates in a direction far away from the ground, so that the grain carrying vehicle 200 is obliquely arranged, grains in the grain carrying vehicle 200 drop into the grain unloading pit 1 under the self weight, and the grains in the grain carrying vehicle 200 do not splash around and directly drop into the grain unloading pit 1 due to the enclosing effect of the baffle plate assembly; therefore, the waste of grains can be reduced, meanwhile, a cleaner is not required to clean, the labor cost is saved, and the grains can be prevented from splashing everywhere in the unloading process, so that dust can be prevented from being splashed everywhere by the grains, and the environment near the grain unloading device 100 is better.

Specifically, in this embodiment, the grain storage device further includes a control system and a sensor, where the sensor is disposed on the plate-turning grain unloading device 2, and when the sensor detects that the grain carrying vehicle 200 stops on the plate-turning grain unloading device 2, the sensor transmits a signal to the control device, and the control device controls the plate-turning grain unloading device 2 to turn over, so that the grain in the grain carrying vehicle 200 flows out and flows to the grain unloading pit 1, and it is required that the specific type of the sensor is not limited, so long as the signal of the grain carrying vehicle 200 can be identified, for example, the sensor may be a pressure sensor, and by detecting the pressure change of the plate-turning grain unloading device 2, it is determined whether the grain carrying vehicle 200 is parked on the plate-turning grain unloading device 2; for example, the sensor may be a displacement sensor, the displacement sensor is disposed on the overturning side of the panel turnover grain unloading device 2, and by detecting the distance between the wheels of the grain carrying vehicle 200 and the displacement sensor, it is determined whether the grain carrying vehicle 200 is parked on the panel turnover grain unloading device 2; further, the control system may refer to a conventional arrangement in the art, which is not described in detail herein.

Referring to fig. 2 and 3, a mounting pit 4 is formed on the opposite side of the grain unloading pit 1 to the turning plate grain unloading device 2; the baffle device 3 further comprises a box body 31, a lifting seat 32 and a lifting device 33; the box body 31 is arranged in the installation pit 4; the lifting seat 32 is movably arranged in the installation pit 4, and the baffle plate assembly is arranged on the lifting seat 32; the lifting device 33 is disposed in the box 31 and connected to the lifting seat 32, and is used for driving the lifting seat 32 to extend out of the installation pit 4 or retract into the installation pit 4. Specifically, in this embodiment, an opening is formed at the upper end of the box 31, a cover plate is covered on the opening, when the grain-carrying cart 200 needs to unload grains, the cover plate is opened first to expose the opening, at this time, the lifting device 33 moves along the up-down direction to drive the lifting seat 32 to move to the outer side of the box 31, at this time, the baffle assembly is unfolded and enclosed outside the three connecting side edges 12 of the grain-unloading pit 1; after the unloading of the grain carrying cart 200 is completed, the baffle assembly is folded to push a small amount of grains splashed on the three connecting side edges 12 into the grain unloading pit 1, then the lifting device 33 drives the lifting seat 32 to move downwards to fold into the box body 31, and the cover plate is covered on the opening at this time, so that the purpose of the arrangement is to prevent grains from being taken out from the grain unloading pit 1 or not suitable for the baffle device 3, and sundries such as grains from falling into the box body 31, so that the parts such as the lifting device 33 are blocked and damaged.

It should be noted that, the opening or closing manner of the cover plate is not limited, and may be manually opened, or may be driven by a driving motor to automatically open or close, where the driving manner of the driving motor is set conventionally in the art, and will not be described in detail herein.

Further, referring to fig. 3 and 4, the baffle device 3 further includes a support frame 34, and the support frame 34 is fixedly mounted on the lifting seat 32; the baffle assembly comprises a front baffle 35, two side baffles 36 and two first drive mechanisms 37; the front baffle 35 is fixedly arranged on the support frame 34 and is arranged opposite to the turning plate grain unloading device 2; the two side baffles 36 are arranged at two sides of the front baffle 35, one end of each side baffle 36 is hinged with the front baffle 35, and the other end can rotate towards the direction approaching or separating from the front baffle 35; the two first driving mechanisms 37 correspond to the two side guards 36, and are used for driving the two side guards 36 to move. Specifically, in this embodiment, when the lifting seat 32 is lifted to the outside of the box 31, the front baffle 35 encloses the side edges of the installation pit 4 opposite to the grain unloading device 2, at this time, the two first driving mechanisms 37 drive the free ends of the two side baffles 36 to rotate in the direction away from the front baffle 35 until the free ends of the two side baffles are rotated to the side edges of the installation pit 4 (i.e., the two side edges adjacent to the side edge where the front baffle 35 is located), at this time, the front baffle 35 and the two side baffles 36 enclose an enclosing area, and the grain unloading pit 1 is located in the enclosing area, so as to realize enclosing the three connection side edges 12 of the grain unloading pit 1, and avoid that grains are ejected from the three connection side edges 12 to the outside of the grain unloading pit 1 when the grain loading car 200 is unloaded, resulting in the waste of grains.

Further, the specific structure of the first driving mechanism 37 is not limited, as long as the side baffle 36 can be driven to move, and each first driving mechanism 37 includes a first motor 371 and a connecting rod assembly; the first motor 371 is fixedly mounted on the front baffle 35, and the first motor 371 has a first output shaft; the connecting rod assembly comprises a first rod 372 and a second rod 373, the first rod 372 is hinged to the second rod 373, the first rod 372 is fixedly connected with the first output shaft, and the second rod 373 is connected with the side baffle 36. Specifically, in this embodiment, the first motor 371 rotates to drive the first output shaft to rotate, the first output shaft drives the first rod 372 to rotate, the first rod 372 is hinged to the second rod 373 to drive the second rod 373 to rotate, and the second rod 373 is connected to the side baffle 36 to drive the side baffle 36 to rotate, so that the side baffle 36 is movable, and the arrangement is such that the opening or closing of the side baffle 36 is more automatic.

It should be noted that, when the grain in the grain carrying vehicle 200 falls into the grain unloading pit 1, due to the dead weight of the grain, the generated impact force is relatively large, so that part of the grain may directly impact the front baffle 35, when the grain impacting the front baffle 35 is too much, the front baffle 35 may impact the front baffle 35, so that the front baffle 35 may be bent and deformed, and cannot be folded into the box 31.

Referring to fig. 2 and 5, the baffle device 3 further includes a support 34 and a lower baffle plate 5, wherein one end of the lower baffle plate 5 is hinged to the support 34, and the other end of the lower baffle plate can rotate in a direction approaching or separating from the support 34. In this embodiment, when the grains in the grain carrying cart 200 fall into the grain unloading pit 1, due to the gravity of the grains, the generated impact force is large, so that part of the grains can directly impact the front baffle 35, so that in order to avoid the grains accumulating on the support frame 34, the baffle device 3 is further provided with a lower baffle, when the grains are unloaded, the lower baffle rotates in a direction away from the support frame 34, so that the lower baffle is obliquely arranged in a horizontal plane, the height of one end of the lower baffle, which is close to the grain unloading pit 1, is lower than the height away from the grain unloading pit 1, and when the grains impact on the front baffle 35, the grains fall onto the lower baffle and slide into the grain unloading pit 1 from the lower baffle, thereby avoiding the grains accumulating on the support frame 34, wasting the grains and blocking the baffle device 3.

Further, referring to fig. 5 and 6, the baffle device 3 further includes a second driving mechanism 51, where the second driving mechanism 51 includes a second motor 511, a worm gear mechanism, a screw nut mechanism, and a link mechanism; the second motor 511 has a second output shaft; the worm gear mechanism comprises a worm wheel and a worm, the worm is connected with the second output shaft, and the worm wheel is meshed with the worm for transmission; the screw-nut mechanism comprises a screw shaft 514 and a nut pair 515, wherein the nut pair 515 and the worm wheel coaxially rotate, and the nut pair 515 is arranged on the screw shaft 514; the link mechanism comprises a first transmission rod 516 and a second transmission rod 517, wherein the first transmission rod 516 is connected with the screw shaft 514, and the second transmission rod 517 is used for being in driving connection with the lower baffle plate 5. Specifically, in order to avoid that sundries such as grains fall into the second driving mechanism 51, the second driving mechanism 51 further includes a transmission box 521, the second motor 511 is disposed at an outer side of the transmission box 521, the second output shaft extends into the transmission box 521 and is connected with a worm 520 located in the transmission box 521 to drive the worm 520 to rotate, so that the worm wheel 519 rotates, and further, as the nut pair 515 is connected with the worm wheel 519, the nut pair 515 rotates along with the worm wheel 519 to drive the screw shaft 514 to move along a straight line, further, two ends of the screw shaft 514 extend out of the transmission box 521, one end of the screw shaft is connected with the first transmission rod 516, and the other end of the screw shaft 514 is formed with a limiting block to limit the screw shaft 514 from being separated from the transmission box 521.

Further, with continued reference to fig. 5, the connection manner between the second transmission rod 517 and the lower striker plate 5 is not limited, and in this embodiment, the second transmission rod 517 is disposed at the lower end of the lower striker plate 5, and the second transmission rod 517 is provided with a plurality of transmission shafts 518, and each transmission shaft 518 extends along the diameter direction of the transmission shaft 518, so that when the second transmission rod 517 is driven by the first transmission rod 516, the second transmission rod 517 rotates around the axis direction of the second transmission rod 517 to drive the lower striker plate 5 to move. So arranged, the rotation process of the lower baffle plate 5 is more stable.

Referring to fig. 1, the panel turnover grain unloading device 2 includes a loading plate 21 and a hydraulic cylinder 22; one end of the bearing plate 21 is used for installing one side of the grain unloading pit 1, and the other end of the bearing plate can rotate towards the direction approaching to or away from the grain unloading pit 1; the hydraulic cylinder 22 is disposed below the bearing plate 21, the hydraulic cylinder 22 includes a fixed cylinder and a telescopic cylinder, the fixed cylinder is fixedly mounted on the ground, and the telescopic cylinder is connected with the bearing plate 21 and is used for driving the bearing plate 21 to rotate. Specifically, in this embodiment, the grain carrier 200 is parked on the carrier 21, and at this time, the hydraulic cylinder 22 starts to work to drive the free end of the carrier 21 to move, so that the whole carrier 21 is inclined, and thus grains in the grain carrier 200 can smoothly fall into the grain unloading pit 1.

Further, the inclination angle of the loading plate 21 is not limited, and specifically, is selected according to the actual situation, that is, according to the type of the grain loading vehicle 200 and the amount of the grain loaded, the inclination angle is reasonably adjusted.

In addition, the utility model also provides a grain storage system, which comprises a grain unloading device 100 and a transportation device; the grain unloading device 100 is used for unloading grains; the transporting device is used for transporting grains in the grain unloading pit 1 of the grain unloading device 100 to a granary or a primary cleaning system. The grain unloading device 100 has the specific structure referring to the above embodiments, and because the grain storage system uses all the technical solutions of all the embodiments, at least has all the beneficial effects brought by the technical solutions of the embodiments, and will not be described in detail herein.

Specifically, in the embodiment, the conveying device comprises a hopper device and a scraper conveyor, the hopper device is arranged in the grain unloading pit 1, and the scraper conveyor is connected at a discharge hole of the hopper device; in the process of unloading grains, grains in the grain carrying vehicle 200 can directly fall into a hopper device positioned in the grain unloading pit 1, and the grains fall into a scraper conveyor through a discharge hole of the hopper device, and the scraper conveyor conveys the grains to a grain bin or a primary cleaning system. The specific structures of the hopper device and the scraper conveyor are conventional in the art, and are not described in detail herein.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the specification and drawings of the present utility model or direct/indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A grain unloading device, characterized in that the grain unloading device comprises:

2. The grain unloading device of claim 1, wherein a mounting pit is formed on a side of the grain unloading pit opposite to the flap grain unloading device;

the baffle device further includes:

the box body is arranged in the installation pit;

3. The grain unloading device of claim 2, wherein the baffle device further comprises a support frame fixedly mounted on the lifting base;

the baffle assembly includes:

4. The grain unloading apparatus of claim 3, wherein each of said first drive mechanisms comprises:

5. The grain unloading device of claim 3, wherein a plurality of buffer springs are arranged between the front baffle and the supporting frame.

6. The grain unloading apparatus of claim 1, wherein the baffle means further comprises a support frame and a lower dam, one end of the lower dam being hinged to the support frame, and the other end being rotatable in a direction approaching or moving away from the support frame.

7. The grain unloading apparatus of claim 6, wherein said baffle means further comprises a second drive mechanism, said second drive mechanism comprising:

a second motor having a second output shaft;

8. The grain unloading device of claim 7, wherein the second transmission rod is arranged at the lower end of the lower baffle plate, the second transmission rod is provided with a plurality of transmission shafts, and each transmission shaft extends along the diameter direction of the transmission shaft so as to rotate around the axis direction of the second transmission rod to drive the lower baffle plate to move when the second transmission rod is driven by the first transmission rod.

9. The grain unloading device of claim 1, wherein the flap grain unloading device comprises: