Movable grain drying device

Abstract

The utility model discloses a movable grain drying device which comprises a vehicle body, a lifting device, a grain barrel, a conveying device and a drying assembly, the lifting device comprises a first frame body and a second frame body, and a feeding port and a driven shaft are arranged at the bottom of the first frame body; a driving shaft, a first discharging port, a second discharging port and a discharging baffle are arranged at the top of the second frame body, the grain barrel comprises a first barrel body, a second barrel body and a third barrel body which are sequentially arranged in a sleeving mode from outside to inside, a second telescopic assembly is arranged on the outer side of the grain barrel, and a grain discharging device is arranged at an outlet in the bottom of the first barrel body. The two ends of the conveying device are matched with the grain discharging device and the first frame body respectively, the drying assembly comprises a hot air assembly and a drying cylinder, and the drying cylinder is installed in the grain cylinder. The grain barrel can stretch out and draw back, and the lifting device can be bent, so that the grain drying machine is small in size, low in height, convenient to move and transport and high in grain drying efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to grain drying equipment field, especially is involved in a mobile grain drying device. BACKGROUND

[0002] Grain is usually dried after harvesting in order to prolong its storage time. Traditionally, the drying of grain is usually natural airing, which is greatly affected by the weather. When it is continuous rainy days, the grain cannot be dried in time. In order to realize the timely drying of the harvested grain, some grain drying equipment has been developed in China. Among them, the mobile grain dryer is more commonly used in some planters, family farms and other places due to its flexible moving advantage. The existing mobile grain dryer is large in size and high in height, and is not very convenient to move. SUMMARY

[0003] The utility model aims at providing a mobile grain drying device, which can be telescopic, and the lifting device can be bent, so that it is small in size, low in height, convenient to move and transport, and high in grain drying efficiency.

[0004] In order to achieve the above object and other related objects, the utility model provides a mobile grain drying device, it includes: car body, lifting device, grain cylinder, conveying device and drying assembly, the bottom of car body is equipped with wheel assembly, one end of car body is equipped with the hitch assembly, the lifting device includes first frame body and second frame body, first frame body installs in the other end of car body, the bottom of first frame body is equipped with feed inlet and driven shaft, the bearing of driven shaft both ends is slidably installed on first frame body, first frame body is equipped with first locking assembly, first locking assembly is used for fixing the bearing of driven shaft both ends on first frame body, the top of second frame body is equipped with drive shaft, first discharge port, second discharge port and discharge baffle, the discharge baffle is used for closing first discharge port or second discharge port, the top of first frame body is rotatably connected with the bottom of second frame body towards the side of car body, the other side of first frame body top is equipped with first telescopic assembly, and the both ends of first telescopic assembly are rotatably connected with first frame body and second frame body respectively, the grain cylinder is installed on the car body below first discharge port, the grain cylinder includes first cylinder body, second cylinder body and third cylinder body that are sequentially sleeved from outside to inside, the outside of grain cylinder is equipped with second telescopic assembly, and second telescopic assembly is matched with first cylinder body, second cylinder body and third cylinder body respectively, a plurality of first ventilation holes are formed in first cylinder body, second cylinder body and third cylinder body, and the outlet of first cylinder body bottom is equipped with grain outlet device, the grain outlet device is used for adjusting the grain outlet amount of first cylinder body, the conveying device is installed on the car body, and the both ends of conveying device are matched with grain outlet device and first frame body respectively, the drying assembly includes hot air assembly and drying cylinder, the drying cylinder is installed in the grain cylinder, a plurality of second ventilation holes are formed in the drying cylinder, and the hot air assembly is connected with the drying cylinder through pipeline.

[0005] In the utility model mobile grain drying device one example, the hitch assembly includes hitch rod, one end of hitch rod is hinged with car body, and the other end of hitch rod is equipped with hitch structure.

[0006] In the utility model mobile grain drying device one example, the feed inlet is installed on the side of first frame body away from car body, and first opening matched with feed inlet is formed in first frame body, and the side of first frame body towards car body is equipped with second opening matched with conveying device.

[0007] In the utility model mobile grain drying device one example, the both sides of first frame body are equipped with a first support rod respectively, and the both ends of each first support rod are fixedly connected with the top of first frame body and the end of vehicle body respectively.

[0008] In the utility model mobile grain drying device one example, the both sides of first frame body are equipped with a first support rod respectively, and the both ends of each first support rod are fixedly connected with the top of first frame body and the end of vehicle body respectively.

[0009] In the utility model mobile grain drying device one example, the top of second frame body is equipped with a third opening downward towards one side of vehicle body, a discharge box is installed at third opening, the bottom of discharge box is equipped with first discharge port away from one side of second frame body, the bottom of discharge box is equipped with second discharge port towards one side of second frame body, discharge baffle is rotatably installed in discharge box, and the outside of discharge box is equipped with baffle switch matched with discharge baffle.

[0010] In the utility model mobile grain drying device one example, the first discharge port extends towards one side of grain cylinder, and the discharge position of first discharge port is above the center of grain cylinder.

[0011] In the utility model mobile grain drying device one example, the first telescopic assembly is air cylinder or oil cylinder.

[0012] In the utility model mobile grain drying device one example, the second telescopic assembly includes a plurality of first sleeves, second sleeves and third sleeves, the bottom of each first sleeve is fixedly connected with vehicle body, the top of each first sleeve is fixedly connected with the top of first cylinder body, a plurality of second sleeves are respectively arranged in a plurality of first sleeves, the top of each second sleeve is fixedly connected with the top of second cylinder body, a plurality of third sleeves are respectively arranged in a plurality of second sleeves, the top of each third sleeve is fixedly connected with the top of third cylinder body, the bottom of each third sleeve is equipped with a lifting plate, the lifting plate is slidably installed in second sliding slot on first sleeve, the lifting plate is matched with the bottom of second sleeve, steel wire rope winding and unwinding assembly is arranged on vehicle body, a plurality of steel wire ropes on steel wire rope winding and unwinding assembly are connected with a plurality of lifting plates through pulley assembly, and a plurality of lifting plates are controlled to ascend or descend.

[0013] In the utility model mobile grain drying device one example, each first sleeve top is equipped with a second pulley, the second pulley below the car body is equipped with a first pulley, each steel wire rope passes one first pulley, one second pulley in proper order and is connected with the lifting plate.

[0014] In the utility model mobile grain drying device one example, two guide rails are symmetrically arranged on the second sleeve along the extension direction of the second sleeve, two guide grooves are arranged on the inner wall of the first sleeve and matched with the two guide rails, the two guide rails are slidingly installed in the two guide grooves, and two ball bearings are arranged at the two ends of the inner wall of the second sleeve.

[0015] In the utility model mobile grain drying device one example, the grain outlet device comprises a shell, the top and bottom of the shell are open, a plurality of first rotating shafts are rotatably installed in the shell, four blades are uniformly distributed on each first rotating shaft, the blades are arranged along the extension direction of the first rotating shaft, the blades on adjacent two first rotating shafts are matched, one end of the plurality of first rotating shafts is provided with a first gear, adjacent two first gears are engaged, a first motor is arranged on the shell, and the output end of the first motor is drivingly connected with the first gear.

[0016] In the utility model mobile grain drying device one example, the hot air assembly comprises a hot air box and a fan, the input end of the fan is connected with the outlet of the hot air box, the output end of the fan is connected with the drying cylinder through a pipeline, the first cylinder body is provided with a fourth opening matched with the pipeline, the top of the drying cylinder is a conical surface, and the drying cylinder and the grain cylinder are coaxially arranged.

[0017] In the utility model mobile grain drying device one example, the car body is provided with a supporting plate assembly, and the supporting plate assembly is matched with the second frame body after rotation and bending.

[0018] The utility model discloses a mobile grain drying device passes through the hitch subassembly and connects the vehicle body to the tractor etc. head, can control the second frame body to carry out the rotary bending using the first telescopic subassembly, thereby reduces the height of hoisting device, can control the first cylinder, second cylinder and third cylinder to contract using the second telescopic subassembly, thereby reduces the height of grain cylinder, and the grain outlet device can adjust the grain outlet of first cylinder, to cooperate the conveying capacity of conveying device, hoisting device, avoids the grain of the grain that the grain is too much, conveying capacity is insufficient and leads to spilling, and hot -blast subassembly sends the hot blast to the drying cylinder, then the hot blast is sent to the grain cylinder through a plurality of second vent, carries out the drying operation to the grain, and the first discharge gate is used for the circulation of grain drying, and the second discharge gate is used for the discharge of grain after drying, and the opening and closing of first discharge gate and second discharge gate can be controlled through the discharge baffle. The grain cylinder of the utility model can contract and expand, and the hoisting device can be bent, so that its volume is smaller, and the height is lower, and it is convenient to move and transport, and the drying efficiency of grain is also higher. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is side view for the embodiment of the utility model mobile grain drying device;

[0020] Figure 2 It is the three-dimensional structure schematic diagram for the embodiment of the utility model mobile grain drying device;

[0021] Figure 3 It is the structure schematic diagram for drying subassembly in the embodiment of the utility model mobile grain drying device;

[0022] Figure 4 It is the local structure schematic diagram for the first frame in the embodiment of the utility model mobile grain drying device;

[0023] Figure 5 It is the structure schematic diagram for the second telescopic subassembly in the embodiment of the utility model mobile grain drying device;

[0024] Figure 6 It is the structure schematic diagram for the grain outlet device in the embodiment of the utility model mobile grain drying device.

[0025] Element sign:

[0026] 100, vehicle body; 110, wheel assembly; 120, hitch assembly; 130, pallet assembly; 200, lifting device; 210, first frame body; 211, feeding port; 212, driven shaft; 213, first chute; 214, bearing seat; 215, first support rod; 220, second frame body; 221, driving shaft; 222, first discharge port; 223, second discharge port; 224, baffle switch; 225, discharge box; 230, first locking assembly; 240, first telescopic assembly; 300, grain cylinder; 310, first cylinder body; 320, second cylinder body; 330, third cylinder body; 340, second telescopic assembly; 341, first sleeve; 342, second sleeve; 343, third sleeve; 344, lifting plate; 345, second chute; 350, steel wire rope winding and unwinding assembly; 360, first pulley; 370, second pulley; 400, grain discharging device; 410, shell; 420, first rotating shaft; 430, blade; 440, first gear; 450, first motor; 500, conveying device; 600, drying assembly; 610, hot air assembly; 611, hot air box; 612, fan; 613, pipeline; 620, drying cylinder; 621, second ventilation hole. DETAILED DESCRIPTION

[0027] The above and other advantages and effects of the present application will become readily apparent to those of ordinary skill in the art from the following description in conjunction with the accompanying drawings. The present application can also be applied or implemented in different ways, and the details in the specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict. It should also be understood that the terms used in the embodiments of the present application are used to describe specific embodiments, but are not intended to limit the protection scope of the present application. The test methods in the following embodiments are not specified, and are usually performed according to conventional conditions or according to the conditions recommended by the manufacturers.

[0028] When the embodiments give numerical ranges, it should be understood that, unless otherwise specified by the present application, each numerical range has two endpoints and any numerical value between the two endpoints can be selected. Unless otherwise defined, all technical and scientific terms used in the present application are used by those skilled in the art in the prior art and the description of the present application, and any method, device and material of the prior art similar or equivalent to the method, device and material in the embodiments of the present application can be used to realize the present application.

[0029] Please refer to Figures 1 to 4The utility model provides a mobile grain drying device, it includes: car body 100, lifting device 200, grain cylinder 300, conveying device 500 and drying assembly 600, the bottom of car body 100 is equipped with wheel assembly 110, one end of car body 100 is equipped with the hitch assembly 120. Lifting device 200 includes first frame body 210 and second frame body 220, first frame body 210 is installed in the other end of car body 100, the bottom of first frame body 210 is equipped with feed inlet 211 and driven shaft 212, the bearing of driven shaft 212 both ends is slidably installed on first frame body 210, first frame body 210 is equipped with first locking assembly 230, first locking assembly 230 is used for fixing the bearing of driven shaft 212 both ends on first frame body 210, the top of second frame body 220 is equipped with drive shaft 221, first discharge port 222, second discharge port 223 and discharge baffle, the discharge baffle is used for closing first discharge port 222 or second discharge port 223, the bottom end of first frame body 210 and second frame body 220 is rotationally connected to the side of car body 100, the other side of first frame body 210 top end is equipped with first telescopic assembly 230, and the both ends of first telescopic assembly 230 are rotationally connected with first frame body 210 and second frame body 220 respectively. Grain cylinder 300 is installed on car body 100 below first discharge port 222, and grain cylinder 300 includes first cylinder body 310, second cylinder body 320 and third cylinder body 330, which are sequentially sleeved from outside to inside, second telescopic assembly 340 is arranged on the outside of grain cylinder 300, and second telescopic assembly 340 is matched with first cylinder body 310, second cylinder body 320 and third cylinder body 330 respectively, a plurality of first ventilation holes are arranged on first cylinder body 310, second cylinder body 320 and third cylinder body 330, and an outlet of the bottom of first cylinder body 310 is equipped with grain outlet device 400, and grain outlet device 400 is used for adjusting the grain outlet amount of first cylinder body 310. Conveying device 500 is installed on car body 100, and the both ends of conveying device 500 are matched with grain outlet device 400 and first frame body 210 respectively. Drying assembly 600 includes hot air assembly 610 and drying cylinder 620, drying cylinder 620 is installed in grain cylinder 300, a plurality of second ventilation holes 621 are arranged on drying cylinder 620, and hot air assembly 610 is connected with drying cylinder 620 through pipeline 613.

[0030] The utility model discloses a grain cylinder 300 is in the state of contraction, and the lifting device 200 is in the state of bending when moving and transporting. Before use, first control the first telescopic component 240 to contract, drive the second frame body 220 to rotate, make the bottom end of the second frame body 220 and the top end of the first frame body 210 close, then control the driven shaft 212 to slide down along the first frame body 210, make the belt in the lifting device 200 be in the state of tension, utilize first locking assembly 230 again and fix the driven shaft 212 on the first frame body 210. Then control the second telescopic component 340 drive the second cylinder body 320, the third cylinder body 330 rise, make the grain cylinder 300 completely unfold, complete the preparation before use. When using, grain is thrown from the feed inlet 211, utilizes the lifting device 200 and promotes the grain to the top of the second frame body 220, controls the discharge baffle and closes the second discharge port 223, and the grain is discharged from the first discharge port 222 and enters the grain cylinder 300, so that the grain is accumulated to a certain amount in the grain cylinder 300, for example 70~80% of the total volume of the grain cylinder 300, stop grain throwing, open the conveying device 500 and the grain outlet device 400 in turn, and the grain in the grain cylinder 300 is discharged from the grain outlet device 400 and enters the conveying device 500, then utilizes the conveying device 500 and conveys the grain to the first frame body 210, is lifted after the lifting device 200, and is discharged from the first discharge port 222 and enters the grain cylinder 300, completes the circulation of grain. Open the hot air assembly 610, and the hot air generated by the hot air assembly 610 enters the drying cylinder 620 through the pipeline 613, then the hot air enters the grain cylinder 300 through a plurality of second air vents 621 on the drying cylinder 620 and dries the grain. After the grain is dried, control the discharge baffle and close the first discharge port 222, and the grain will be discharged from the second discharge port 223, and a long guide pipe can be installed at the second discharge port 223 to convey the grain to a specified position.

[0031] Repeat the above grain drying operation until all the grain is dried, then close the hot air assembly 610, the conveying device 500 and the grain outlet device 400, control the second telescopic component 340 drive the second cylinder body 320, the third cylinder body 330 drop, make the grain cylinder 300 be in the state of contraction, then unlock the locking of the driven shaft 212 two ends by the first locking assembly 230, make the belt in the lifting device 200 be in the relaxed state, control the first telescopic component 240 to lengthen, drive the second frame body 220 to rotate and bend, complete the preparation before moving and transporting.

[0032] Please refer to Figure 1In the mobile grain drying device example of the utility model, the hanging assembly 120 includes a hanging rod, one end of the hanging rod is hinged to the vehicle body 100, and the other end of the hanging rod is provided with a hanging structure. The feeding port 211 is installed on the side of the first frame body 210 away from the vehicle body 100, the first frame body 210 is provided with a first opening matched with the feeding port 211, and the first frame body 210 is provided with a second opening matched with the conveying device 500 on the side facing the vehicle body 100.

[0033] Please refer to Figure 1 and Figure 4 In the mobile grain drying device example of the utility model, the two side walls of the first frame body 210 are respectively provided with a first sliding groove 213 matched with the driven shaft 212, one bearing seat 214 is rotatably installed at the two ends of the driven shaft 212 respectively, the bearing seat 214 is slidably installed in the first sliding groove 213, the first locking assembly 230 includes four first locking plates, one first locking plate is arranged on the two sides of each first sliding groove 213, and the first locking plate is fixedly connected with the bearing seat 214 through bolts.

[0034] Please refer to Figure 1 and Figure 2 In the mobile grain drying device example of the utility model, the top of the second frame body 220 is provided with a downward third opening on the side facing the vehicle body 100, a discharge box 225 is installed at the third opening, the bottom of the discharge box 225 is provided with the first discharge port 222 away from the second frame body 220, the bottom of the discharge box 225 is provided with the second discharge port 223 on the side facing the second frame body 220, the discharge baffle is rotatably installed in the discharge box 225, and the outer side of the discharge box 225 is provided with a baffle switch 224 matched with the discharge baffle. The discharge baffle can be controlled by using the baffle switch 224, and the first discharge port 222 or the second discharge port 223 is adjusted.

[0035] Please refer to Figure 1 In the mobile grain drying device example of the utility model, the first discharge port 222 extends to the side of the grain cylinder 300, and the discharge position of the first discharge port 222 is located above the center of the grain cylinder 300. The first telescopic assembly 240 is a pneumatic cylinder or an oil cylinder.

[0036] Please refer to Figure 1And Figure 5 In the mobile grain drying device example of the utility model, the second telescopic assembly 340 includes a plurality of first sleeves 341, second sleeves 342 and third sleeves 343, the bottom of the plurality of first sleeves 341 is fixedly connected with the vehicle body 100, the top of the plurality of first sleeves 341 is fixedly connected with the top of the first cylinder 310, the plurality of second sleeves 342 is respectively arranged in the plurality of first sleeves 341, the top of the plurality of second sleeves 342 is fixedly connected with the top of the second cylinder 320, the plurality of third sleeves 343 is respectively arranged in the plurality of second sleeves 342, the top of the plurality of third sleeves 343 is fixedly connected with the top of the third cylinder 330, the bottom of each third sleeve 343 is provided with a lifting plate 344, the lifting plate 344 is slidably installed in the second sliding groove 345 on the first sleeve 341, the lifting plate 345 is matched with the bottom of the second sleeve 342, the vehicle body 100 is provided with a steel wire rope winding and unwinding assembly 350, the plurality of steel wire ropes on the steel wire rope winding and unwinding assembly 350 are connected with the plurality of lifting plates 344 through pulley assemblies, and the steel wire rope winding and unwinding assembly 350 is used to control the lifting plate 344 to ascend or descend. The top of each first sleeve 341 is provided with a second pulley 370, and the vehicle body 100 below the second pulley 370 is provided with a first pulley 360. Each steel wire rope is connected with the lifting plate 344 after sequentially penetrating a first pulley 360 and a second pulley 370. Two guide rails are symmetrically arranged on the second sleeve 342 along the extension direction of the second sleeve 342, two guide grooves matched with the two guide rails are arranged on the inner wall of the first sleeve 341, and two guide rails are slidably installed in two guide grooves. Two ball bearings are respectively arranged at the two ends of the inner wall of the second sleeve 342, and the two ball bearings are slidably connected with the third sleeve 343.

[0037] When the second telescopic assembly 340 is controlled to be telescoped, the steel wire rope winding and unwinding assembly 350 is controlled to loosen or tighten the steel wire rope, and under the guidance of the first pulley 360 and the second pulley 370, the steel wire rope can drive the lifting plate 345 to slide along the second sliding groove 345, the lifting plate 345 drives the second sleeve 342 and the third sleeve 343 to ascend or descend, and the steel wire rope winding and unwinding assembly 350 can drive the lifting plate 345 to ascend or descend synchronously.

[0038] Please refer to Figure 6In the mobile grain drying device example of the utility model, the grain outlet device 400 includes a shell 410, the top and bottom of the shell 410 are open, a plurality of first rotating shafts 420 are rotatably installed in the shell 410, four blades 430 are uniformly distributed on each first rotating shaft 420, the blades 430 are arranged along the extension direction of the first rotating shaft 420, the blades 430 on the adjacent two first rotating shafts 420 cooperate, one end of the plurality of first rotating shafts 420 is provided with a first gear 440, the adjacent two first gears 440 are engaged, a first motor 450 is arranged on the shell 410, and the output end of the first motor 450 is drivingly connected with the first gear 440. One first gear 440 is driven to rotate by the first motor 450, thereby driving other first gears 440 to rotate, further driving the plurality of first rotating shafts 420 and the blades 430 to rotate, in the rotating process, the blades 430 can throw the grain in the grain cylinder 300 into the conveying device 500, the grain outlet speed can be controlled by controlling the rotation of the first motor 450, so that the speed of the grain outlet device 400 is matched with the speed of the conveying device 500 and the speed of the lifting device 200.

[0039] Please refer to Figure 2 and Figure 3 In the mobile grain drying device example of the utility model, the hot air assembly 610 includes a hot air box 611 and a fan 612, the input end of the fan 612 is connected with the outlet of the hot air box 611, the output end of the fan 612 is connected with the drying cylinder 620 through a pipeline 613, the first cylinder body 310 is provided with a fourth opening matched with the pipeline 613, the top of the drying cylinder 620 is a conical surface, and the drying cylinder 620 is coaxially arranged with the grain cylinder 300.

[0040] Please refer to Figure 1 and Figure 2 In the mobile grain drying device example of the utility model, the vehicle body 100 is provided with a supporting plate assembly 130, and the supporting plate assembly 130 is matched with the second frame body 220 after rotation and bending. The supporting plate assembly 130 can support the second frame body 220, preventing the second frame body 220 from being damaged due to excessive bending.

[0041] The above embodiment only exemplarily illustrates the principle and effect of the utility model, and is not used to limit the utility model. Any person skilled in the art can modify or change the above embodiment without departing from the spirit and scope of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.

Claims

1. A mobile grain drying apparatus, characterized by, The utility model provides a kind of grain drying machine, including: Vehicle body, the bottom of the vehicle body is equipped with wheel assembly, one end of the vehicle body is equipped with hitch assembly; Lifting device, the lifting device includes first frame body and second frame body, the first frame body is installed in the other end of the vehicle body, the bottom of the first frame body is equipped with feed inlet and driven shaft, the bearing of both ends of the driven shaft is slidably installed on the first frame body, the first frame body is equipped with first locking assembly, the first locking assembly is used to fix the bearing of both ends of the driven shaft on the first frame body, the top of the second frame body is equipped with driving shaft, first discharge port, second discharge port and discharge baffle, the discharge baffle is used to close the first discharge port or the second discharge port, the top of the first frame body is rotatably connected to the bottom of the second frame body towards the side of the vehicle body, the other side of the top of the first frame body is equipped with first telescopic assembly, both ends of the first telescopic assembly are rotatably connected with the first frame body and the second frame body respectively; Grain cylinder, the grain cylinder is installed on the vehicle body below the first discharge port side, the grain cylinder includes first cylinder body, second cylinder body and third cylinder body, which are sequentially sleeved from outside to inside, the grain cylinder outside is equipped with second telescopic assembly, the second telescopic assembly is matched with the first cylinder body, the second cylinder body and the third cylinder body respectively, the first cylinder body, the second cylinder body and the third cylinder body are equipped with a plurality of first ventilation holes, the outlet of the first cylinder body bottom is equipped with grain outlet device, the grain outlet device is used to adjust the grain outlet amount of the first cylinder body; Conveying device, the conveying device is installed on the vehicle body, both ends of the conveying device are matched with the grain outlet device and the first frame body respectively; Drying assembly, the drying assembly includes hot air assembly and drying cylinder, the drying cylinder is installed in the grain cylinder, the drying cylinder is equipped with a plurality of second ventilation holes, the hot air assembly is connected with the drying cylinder through pipeline.

2. The mobile grain drying apparatus of claim 1, wherein The feed inlet is installed on the side of the first frame body away from the vehicle body, the first frame body is equipped with first opening matched with the feed inlet, the side of the first frame body towards the vehicle body is equipped with second opening matched with the conveying device.

3. The mobile grain drying apparatus of claim 2, wherein Both sides of the first frame body are respectively equipped with a first sliding groove matched with the driven shaft, both ends of the driven shaft are rotatably installed with a bearing seat respectively, the bearing seat is slidably installed in the first sliding groove, the first locking assembly includes four first locking plates, both sides of each first sliding groove are respectively equipped with a first locking plate, the first locking plate is fixedly connected with the bearing seat through bolt.

4. The mobile grain drying apparatus of claim 1, wherein The top of the second frame body towards the side of the vehicle body is equipped with downward third opening, the discharge box is installed at the third opening, the bottom of the discharge box away from the side of the second frame body is equipped with the first discharge port, the bottom of the discharge box towards the side of the second frame body is equipped with the second discharge port, the discharge baffle is rotatably installed in the discharge box, the discharge baffle outside is equipped with baffle switch matched with the discharge baffle.

5. The mobile grain drying apparatus of claim 1, wherein The second telescopic assembly comprises a plurality of first sleeves, second sleeves and third sleeves, the bottoms of the first sleeves are fixedly connected with the vehicle body, the tops of the first sleeves are fixedly connected with the top of the first cylinder, the second sleeves are respectively arranged in the first sleeves, the tops of the second sleeves are fixedly connected with the top of the second cylinder, the third sleeves are respectively arranged in the second sleeves, the tops of the third sleeves are fixedly connected with the top of the third cylinder, the bottom of each third sleeve is provided with a lifting plate, the lifting plate is slidingly installed in a second sliding groove on the first sleeve, the lifting plate is matched with the bottom of the second sleeve, the vehicle body is provided with a steel wire rope winding and unwinding assembly, a plurality of steel wire ropes on the steel wire rope winding and unwinding assembly are connected with the lifting plates through pulley assemblies, and the lifting plates are controlled to ascend or descend.

6. The mobile grain drying apparatus of claim 5, wherein The top of each first sleeve is provided with a second pulley, the vehicle body below the second pulley is provided with a first pulley, and each steel wire rope is connected with the lifting plate after sequentially passing through the first pulley and the second pulley.

7. The mobile grain drying apparatus of claim 5, wherein Two guide rails are symmetrically arranged on the second sleeve along the extension direction of the second sleeve, two guide grooves matched with the two guide rails are arranged on the inner wall of the first sleeve, the two guide rails are slidingly installed in the two guide grooves, and two ball bearings are arranged at the two ends of the inner wall of the second sleeve and slidingly connected with the third sleeve.

8. The mobile grain drying apparatus of claim 1, wherein The grain discharging device comprises a shell, the top and bottom of the shell are open, a plurality of first rotating shafts are rotatingly installed in the shell, four blades are uniformly distributed on each first rotating shaft, the blades are arranged along the extension direction of the first rotating shaft, the blades on adjacent first rotating shafts are matched, one end of each first rotating shaft is provided with a first gear, adjacent first gears are meshed, a first motor is arranged on the shell, and the output end of the first motor is drivingly connected with the first gear.

9. The mobile grain drying apparatus of claim 1, wherein The hot air assembly comprises a hot air box and a fan, the input end of the fan is connected with the outlet of the hot air box, the output end of the fan is connected with the drying cylinder through a pipeline, the first cylinder is provided with a fourth opening matched with the pipeline, the top of the drying cylinder is a conical surface, and the drying cylinder and the grain cylinder are coaxially arranged.

10. The mobile grain drying apparatus of claim 1, wherein The vehicle body is provided with a supporting plate assembly matched with the second frame body after rotation and bending. The vehicle body is provided with a supporting plate assembly matched with the second frame body after rotation and bending.

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