Fertilizer spreader

Abstract

The utility model provides a fertilizer spreading vehicle, which belongs to the technical field of fertilizer spreading, and comprises a tractor, a vehicle hopper is arranged at the rear part of the tractor, a fertilizer spreading system is arranged at the upper part of the vehicle hopper, the fertilizer spreading system comprises a storage bin, a crushing and conveying assembly, a fertilizer spreading machine and a spiral conveyer, and a discharge pipe II is arranged at the lower part of the storage bin. The second discharging pipe is arranged above a stock bin of the smashing and conveying assembly, the tail end of the smashing and conveying assembly extends into the fertilizer distributor, a third discharging pipe arranged downwards is arranged at the tail end of the smashing and conveying assembly, and the fertilizer distributor is arranged at the tail end of the vehicle hopper and faces the rear portion of the vehicle hopper.

Description

Technical Field

[0001] This utility model belongs to the field of fertilizer spreading technology, specifically relating to a fertilizer spreading vehicle. Background Technology

[0002] Fertilizer spreaders are an important piece of agricultural equipment in modern agriculture. They are classified into two types: solid fertilizer spreaders and liquid fertilizer spreaders, suitable for applying solid and liquid fertilizers respectively. Most fertilizer spreaders on the market are single-function, capable of applying only one type of fertilizer. Furthermore, their application is coarse and lacks precise control over the amount of fertilizer applied, leading to over-application. They cannot provide on-demand fertilization, failing to meet market demands or the need for applying fertilizers of various properties as required. Utility Model Content

[0003] This utility model proposes a fertilizer spreading vehicle.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A fertilizer spreading vehicle includes a tractor unit with a cargo bed at the rear. A fertilizer spreading system is installed on the upper part of the cargo bed. The fertilizer spreading system includes a storage bin, a crushing and conveying assembly, a fertilizer spreader, and a screw conveyor. A second discharge pipe is installed at the lower part of the storage bin, and the second discharge pipe is located above the hopper of the crushing and conveying assembly. The end of the crushing and conveying assembly extends into the fertilizer spreader, and a third discharge pipe facing downwards is installed at the end of the crushing and conveying assembly. The fertilizer spreader is located at the end of the cargo bed and faces the rear of the cargo bed.

[0006] Furthermore, the storage bin includes several material cylinders, each open at both ends, and each end of the material cylinder is provided with a connecting flange. The multiple material cylinders are connected end to end to form a storage cylinder. The lowest material cylinder is fixedly connected to a support. The lower end of the lowest material cylinder is provided with a bottom cover. The bottom cover is provided with a discharge pipe 1 and a discharge pipe 2. The discharge pipe 1 is provided with a removable baffle 1, and the discharge pipe 2 is provided with a removable baffle 2. The uppermost material cylinder is provided with a top cover. The top cover is provided with a feed pipe 1.

[0007] Furthermore, a viewing window is provided on one of the material cylinders.

[0008] Further, the pulverizing and conveying assembly comprises a second barrel, a support two is arranged at each end of the second barrel, two bearing seats one are arranged on each support two, two parallel rotating shafts one are arranged in the second barrel, the rotating shafts one pass through the inner rings of bearing four of the bearing seats one, a spiral body one is fixed on the rotating shafts one in the second barrel, a gear one is fixed on the end of each rotating shaft one, a bunker one is arranged on the upper part of the second barrel, the bunker one is communicated with the second barrel, a rotating shaft three is arranged in the bunker one, a plurality of stirring blocks are fixed on the rotating shaft three, a bearing one is arranged at one end of the rotating shaft three, a bearing two is arranged at the other end of the rotating shaft three, the outer rings of the bearing one and the bearing two are fixed on the bunker one, a gear two is fixed on the end of the rotating shaft three, the gear two is engaged with one of the gear ones, one of the rotating shafts one is connected with the output shaft of the hydraulic motor three, a discharge pipe three and a feeding pipe three are arranged at the end of the second barrel, the discharge pipe three is arranged downward, the feeding pipe three is arranged upward, a control panel one is arranged on the discharge pipe three, a discharge pipe four is arranged at the front end of the second barrel, a control panel two is arranged on the discharge pipe four, the discharge pipe four is arranged downward.

[0009] Further, the fertilizer spreader comprises a base, a stand is fixed on the base, a mounting frame is fixed on the upper end of the stand, a bunker two is fixed on the mounting frame, mounting holes are arranged on the bunker two, the pulverizing and conveying assembly extends into the bunker through the mounting holes, a discharge pipe five is arranged at the lower end of the bunker, a control valve is arranged on the discharge pipe five, a fixed plate one is fixed on the base, a hydraulic motor one is arranged on the fixed plate one, a spreading plate is arranged on the output shaft of the hydraulic motor one, the discharge pipe five is arranged above the spreading plate, the spreading plate comprises a conical part, a plurality of throwing plates are arranged on the upper end face of the conical part.

[0010] Further, a connecting pipe one is arranged on the lower end face of the spreading plate, the connecting pipe one is connected with the output shaft of the hydraulic motor one.

[0011] Further, a baffle is fixed on the fixed plate one, the baffle is arranged on the back side of the spreading plate.

[0012] Further, a sieve plate is arranged in the bunker two.

[0013] Further, the lower end of the discharge pipe four of the pulverizing and conveying assembly is provided with the feeding end of the spiral conveying assembly, the discharge end of the upper end of the spiral conveying assembly is arranged above the feeding pipe one of the storage bunker.

[0014] Further, the screw conveyor comprises a fixed plate two, a hydraulic motor two is fixed on the fixed plate two, an output shaft of the hydraulic motor two is connected with a rotating shaft two, one end of the rotating shaft two is provided with a bearing seat two, the other end of the rotating shaft two is provided with a bearing seat three, a shell is arranged on the rotating shaft two, two bearing fives are arranged at the both ends of the shell, the inner ring of the bearing five is fixed on the rotating shaft two, a spiral body two is fixed on the rotating shaft two in the shell, the maximum diameter of the spiral body two is not greater than the inner diameter of the shell, a feeding pipe six is arranged at the lower end of the shell, a feeding hopper is arranged on the feeding pipe six, a discharging pipe six is arranged at the upper end of the shell, a discharging hopper is arranged on the discharging pipe six, and the lower part of the fixed plate two is fixedly connected with the support frame three.

[0015] Further, the feeding hopper comprises a bottom plate, one side plate one is fixed at the both sides of the bottom plate, a side plate two is fixed at the rear end of the bottom plate, the both sides of the side plate two are connected with the side plate one, a receiving plate is fixed at the front end of the bottom plate, the both sides of the receiving plate are connected with the side plate one, the included angle between the receiving plate and the horizontal plane is smaller than the included angle between the side plate two and the horizontal plane, and one side plate one is provided with a connecting pipe two, and the connecting pipe two is connected with the feeding pipe six.

[0016] The fertilizer in the storage bin falls into the bin one through the discharging pipe two, under the driving of the hydraulic motor three, the rotating shaft one and the rotating shaft three are axially rotated, the stirring block on the rotating shaft three carries out primary crushing on the fertilizer, then the fertilizer falls into the bin two, the control plate two on the discharging pipe four is in a closed state, under the driving of the hydraulic motor three, the two rotating shafts one rotate towards each other, the fertilizer is secondarily crushed, the fertilizer in the bin two is transported to the end of the bin two through the spiral body one on the rotating shaft one, and is discharged from the bin two through the discharging pipe three at the end of the bin two, the control plate one on the discharging pipe three is in an open state, then the fertilizer falls into the bin two, the control valve on the discharging pipe five is in an open state, the fertilizer falls on the spreading plate through the discharging pipe five, under the driving of the hydraulic motor one, the spreading plate is axially rotated, the fertilizer on the spreading plate is centrifuged through the throwing plate on the spreading plate, and the fertilizer is thrown away, under the action of the baffle, the fertilizer is only thrown to the rear side of the car hopper. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the three-dimensional schematic view of the utility model Figure 1 ;

[0018] Figure 2 It is the three-dimensional schematic view of the utility model Figure 2 ;

[0019] Figure 3 This is a schematic diagram of the fertilizer spreading system in this utility model;

[0020] Figure 4 The three-dimensional storage silo of this utility model Figure 1 ;

[0021] Figure 5 This utility model Figure 4 The right view;

[0022] Figure 6 This is a front view of the crushing and conveying assembly in this utility model;

[0023] Figure 7 This utility model Figure 6 The left view;

[0024] Figure 8 The three-dimensional fertilizer spreader in this utility model Figure 1 ;

[0025] Figure 9 The three-dimensional fertilizer spreader in this utility model Figure 2 ;

[0026] Figure 10 In this utility model Figure 9 The left view;

[0027] Figure 11 In this utility model Figure 9 The right view;

[0028] Figure 12 In this utility model Figure 9 Top view;

[0029] Figure 13 The three-dimensional material spreading plate in this utility model Figure 1 ;

[0030] Figure 14 The three-dimensional material spreading plate in this utility model Figure 2 ;

[0031] Figure 15 This is a front view of the material spreading plate in this utility model;

[0032] Figure 16 This is a schematic diagram of the screw conveyor in this utility model;

[0033] Figure 17 This utility model Figure 16 Three-dimensional feed hopper Figure 1 ;

[0034] Figure 18 This utility model Figure 16 Three-dimensional feed hopperFigure 2 ;

[0035] Figure 19 The utility model discloses Figure 17 The front view of the utility model;

[0036] In the figure, 1 is a tractor, 2 is a car hopper, 3 is a storage bin, 4 is a crushing conveying assembly, 5 is a fertilizer distributor, 6 is a spiral conveyor;

[0037] 301 support one, 302 material cylinder one, 303 visible window, 304 discharge pipe one, 305 baffle one, 306 discharge pipe two, 307 baffle two, 308 top cover, 309 feeding pipe one, 310 bottom cover;

[0038] 401 support two, 402 material cylinder two, 403 rotating shaft one, 404 bearing one, 405 stirring block, 406 bearing seat one, 407 gear one, 408 coupling, 409 gear two, 410 bearing two, 411 discharge pipe three, 412 feeding pipe three, 413 discharge pipe four, 414 control panel one, 415 control panel two, 416 material bin, 417 rotating shaft three;

[0039] 501 base, 502 stand, 503 mounting bracket, 504 material bin two, 505 mounting hole, 506 baffle, 507 fixed plate one, 508 hydraulic motor one, 509 spreading plate, 510 discharge pipe five, 511 sieve plate;

[0040] 50901 conical part, 50902 throwing plate, 50903 connecting pipe one;

[0041] 601 hydraulic motor two, 602 bearing seat two, 603 rotating shaft two, 604 shell, 605 feeding pipe six, 606 feeding hopper, 607 spiral body two, 608 bearing seat three, 609 discharge pipe six, 610 discharge hopper, 611 fixed plate two, 612 support frame three;

[0042] 60601 bottom plate, 60602 side plate one, 60603 side plate two, 60604 receiving plate, 60605 connecting pipe two. DETAILED DESCRIPTION

[0043] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0044] In the description of the utility model, need understanding is, the term "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply the device or element indicated must have a particular orientation, with a particular orientation structure and operation, therefore can not be understood as the limitation of the utility model.

[0045] With reference to Figures 1-19 A fertilizer spreading vehicle, comprising a tractor 1, a vehicle hopper 2 is arranged at the rear of the tractor 1, a fertilizer spreading system is arranged at the upper portion of the vehicle hopper 2, the fertilizer spreading system comprises a storage bin 3, a crushing and conveying assembly 4, a fertilizer spreader 5 and a screw conveyor 6, a second discharge pipe 306 is arranged at the lower portion of the storage bin 3, the second discharge pipe 306 is arranged above a first material bin 416 of the crushing and conveying assembly 4, the crushing and conveying assembly 4 extends into the fertilizer spreader 5, and a third discharge pipe 411 is arranged at the end of the crushing and conveying assembly 4 and faces downward, the fertilizer spreader 5 is arranged at the end of the vehicle hopper 2 and faces the rear of the vehicle hopper 2.

[0046] With reference to Figures 4-5 The storage bin 3 comprises a plurality of material barrels 302, the material barrels 302 are open at both ends, and a connecting flange is arranged at each end of the material barrels 302, the material barrels 302 are connected to form a storage barrel, the lowermost material barrel 302 is fixedly connected to a support 301, a bottom cover 310 is arranged at the lower end of the lowermost material barrel 302, a first discharge pipe 304 and a second discharge pipe 306 are arranged on the bottom cover 310, a detachable baffle 506 one 305 is arranged on the first discharge pipe 304, a detachable baffle 506 two 307 is arranged on the second discharge pipe 306, a top cover 308 is arranged at the upper end of the uppermost material barrel 302, and a first feeding pipe 309 is arranged on the top cover 308. A visible window 303 is arranged on one of the material barrels 302.

[0047] With reference to Figures 6-7The pulverizing and conveying assembly 4 comprises a barrel two 402, each end of the barrel two 402 is provided with a support two 401, each support two 401 is provided with two bearing seats one 406, the barrel two 402 is provided with two parallel rotating shafts one 403, the rotating shafts one 403 pass through the inner rings of bearing fours of the bearing seats one 406, the rotating shafts one 403 in the barrel are fixed with helixes one, the ends of each rotating shaft one 403 are fixed with a gear one 407, the upper part of the barrel two 402 is provided with a hopper one 416, the hopper one 416 is connected with the barrel two 402, the hopper one 416 is provided with a rotating shaft three 417, the rotating shaft three 417 is fixed with a plurality of stirring blocks 405, one end of the rotating shaft three 417 is provided with a bearing one 404, the other end of the rotating shaft three 417 is provided with a bearing two 410, the outer rings of the bearing one 404 and the bearing two 410 are fixed on the hopper one 416, the end of the rotating shaft three 417 is fixed with a gear two 409, the gear two 409 is engaged with one of the gear ones 407, one of the rotating shafts one 403 is connected with the output shaft of the hydraulic motor three through a shaft coupling 408, the end of the barrel two 402 is provided with a discharge pipe three 411 and a feeding pipe three 412, the discharge pipe three 411 is arranged downward, the feeding pipe three 412 is arranged upward, the discharge pipe three 411 is provided with a control panel one 414, the front end of the barrel is provided with a discharge pipe four 413, the discharge pipe four 413 is provided with a control panel two 415, the discharge pipe four 413 is arranged downward.

[0048] With reference to Figures 8-15 The fertilizer distributor 5 comprises a base 501, the base 501 is fixed with a stand 502, the upper end of the stand 502 is fixed with a mounting frame 503, the mounting frame 503 is fixed with a hopper two 504, the hopper two 504 is provided with mounting holes 505, the pulverizing and conveying assembly 4 extends into the hopper one 416 through the mounting holes 505, the lower end of the hopper one 416 is provided with a discharge pipe five 510, the discharge pipe five 510 is provided with a control valve, the base 501 is fixed with a fixed plate one 507, the fixed plate one 507 is provided with a hydraulic motor one 508, the output shaft of the hydraulic motor one 508 is provided with a distributing plate 509, the discharge pipe five 510 is arranged above the distributing plate 509, the distributing plate 509 comprises a conical part 50901, the upper end surface of the conical part 50901 is provided with a plurality of distributing plates 50902. The lower end surface of the distributing plate 509 is provided with a connecting pipe one 50903, the connecting pipe one 50903 is connected with the output shaft of the hydraulic motor one 508. The fixed plate one 507 is fixed with a baffle 506, the baffle 506 is arranged at the back side of the distributing plate 509. The hopper two 504 is provided with a sieve plate 511.

[0049] The lower end of the discharge pipe four 413 of the pulverizing and conveying assembly 4 is provided with the feeding end of the screw conveying assembly, and the discharge end of the upper end of the screw conveying assembly is arranged above the feeding pipe one 309 of the storage bin one 416.

[0050] With reference to Figure 16 , the screw conveyor 6 comprises a fixed plate two 611, a hydraulic motor two 601 is fixed on the fixed plate two 611, an output shaft of the hydraulic motor two 601 is connected with a rotating shaft two 603, one end of the rotating shaft two 603 is provided with a bearing seat two 602, the other end of the rotating shaft two 603 is provided with a bearing seat three 608, a shell 604 is arranged on the rotating shaft two 603, two bearing fives are arranged at two ends of the shell 604 respectively, the inner ring of the bearing five is fixed on the rotating shaft two 603, a spiral body two 607 is fixed on the rotating shaft two 603 inside the shell 604, the maximum diameter of the spiral body two 607 is not greater than the inner diameter of the shell 604, a feeding pipe six 605 is arranged at the lower end of the shell 604, a feeding hopper 606 is arranged on the feeding pipe six 605, a discharge pipe six 609 is arranged at the upper end of the shell 604, a discharge hopper 610 is arranged on the discharge pipe six 609, and the lower part of the fixed plate two 611 is fixedly connected with a support frame three 612.

[0051] With reference to Figures 17-19 , the feeding hopper 606 comprises a bottom plate 60601, one side plate one 60602 is fixed at each side of the bottom plate 60601, a side plate two 60603 is fixed at the rear end of the bottom plate 60601, the two sides of the side plate two 60603 are connected with the side plate one 60602, an interface plate 60604 is fixed at the front end of the bottom plate 60601, the two sides of the interface plate 60604 are connected with the side plate one 60602, the included angle between the interface plate 60604 and the horizontal plane is smaller than the included angle between the side plate two 60603 and the horizontal plane, the interface plate 60604 is arranged below the discharge pipe four 413 of the pulverizing and conveying assembly 4, and one side plate one 60602 is provided with a connecting pipe two 60605 which is connected with the feeding pipe six 605.

[0052] When fertilizing, the fertilizer is loaded in the storage bin 3, at this time the baffle 506 one 305 is inserted into the discharge pipe one 304, and the baffle 506 two 307 is pulled out of the discharge pipe two 306, so that the fertilizer in the storage bin 3 falls into the hopper one 416 through the discharge pipe two 306, under the drive of the hydraulic motor three, the rotating shaft one 403 and the rotating shaft three 417 are axially rotated, when the rotating shaft three 417 rotates, the stirring block 405 on it performs primary crushing on the fertilizer, then the fertilizer falls into the barrel two 402, at this time the control plate two 415 on the discharge pipe four 413 is in a closed state, under the drive of the hydraulic motor three, the two rotating shafts one 403 rotate towards each other to further crush the fertilizer, and through the helix one on the rotating shaft one 403, the fertilizer in the barrel two 402 is transported to the end of the barrel two 402, and discharged from the barrel two 402 through the discharge pipe three 411, at this time the control plate one 414 on the discharge pipe three 411 is in an open state, then the fertilizer falls into the hopper two 504, at this time the control valve on the discharge pipe five 510 is in an open state, the fertilizer falls on the spreading plate 509 through the discharge pipe five 510, under the drive of the hydraulic motor one 508, the spreading plate 509 is axially rotated, the fertilizer on the spreading plate 509 is centrifuged through the throwing plate 50902 on the spreading plate 509, and the waste is thrown away, under the action of the baffle 506, the fertilizer is only thrown to the rear side of the hopper 2.

[0053] When the grain needs to be stored, first, the whole device is cleaned and dried, and then the grain storage can be carried out, at this time the control valve on the discharge pipe five 510 at the bottom of the hopper two 504 is in a closed state, the grain in the hopper two 504 enters the barrel two 402 through the feeding pipe three 412, at this time the control plate one 414 on the discharge pipe three 411 is in a closed state, at this time the hydraulic motor three is reversed to transport the grain in the barrel two 402 from the end to the front, at this time the discharge pipe four 413 on the barrel two 402 is in an open state (the control plate two 415 is pulled out), the grain falls on the feeding hopper 606 of the screw conveyor 6 through the discharge pipe four 413, and enters the housing 604 of the screw conveyor 6 through the feeding hopper 606, under the drive of the hydraulic motor two 601, the rotating shaft two 603 is axially rotated, and the grain is transported from the bottom to the top through the helix two 607 on the rotating shaft two 603, and then falls into the feeding pipe one 309 through the discharge pipe six 609 and the discharge hopper 610, and enters the barrel one 302 through the feeding pipe one 309 for storage, at this time the baffle 506 two 307 in the discharge pipe two 306 of the hopper one 416 is inserted into the discharge pipe two 306, when the grain needs to be discharged, the baffle 506 one 305 in the discharge pipe one 304 is pulled out to discharge the grain.

[0054] The above-described specific embodiments further specifically describe the purpose, technical solutions and beneficial effects of the present application, and it should be understood that the above-described specific embodiments are merely examples of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A spreader vehicle characterized by: The utility model provides a kind of trailer, the trailer rear is provided with car hopper, the upper portion of the car hopper is provided with fertilizer spreading system, the fertilizer spreading system includes storage bin, pulverizing and conveying component, fertilizer distributor and screw conveyor, the lower portion of the storage bin is provided with discharge pipe two, the discharge pipe two is arranged above the hopper of pulverizing and conveying component, the end of the pulverizing and conveying component is inserted into fertilizer distributor, and the end of pulverizing and conveying component is provided with downwardly arranged discharge pipe three, the fertilizer distributor is arranged at the end of car hopper, and fertilizer distributor is towards the rear of car hopper.

2. A spreader as claimed in claim 1, wherein: The storage bin includes a plurality of barrels, the two ends of the barrel are open, and a connecting flange is arranged at each end of the barrel, the barrels are connected to form a storage barrel, the lowermost barrel is fixedly connected to a support, the lower end of the lowermost barrel is provided with a bottom cover, the bottom cover is provided with a discharge pipe one and a discharge pipe two, the discharge pipe one is provided with a detachable baffle one, the discharge pipe two is provided with a detachable baffle two, the upper end of the uppermost barrel is provided with a top cover, and the top cover is provided with a feed pipe one.

3. A spreader as claimed in claim 1 wherein: The pulverizing and conveying component includes a barrel, the two ends of the barrel are provided with a support, two bearing seats are arranged on each support, two parallel rotating shafts are arranged in the barrel, the rotating shafts pass through the inner ring of bearing four of the bearing seat, a spiral body is fixed on the rotating shaft in the barrel, a gear is fixed on the end of each rotating shaft, a hopper is arranged on the upper portion of the barrel, the hopper is connected to the barrel, a rotating shaft is arranged in the hopper, a plurality of stirring blocks are fixed on the rotating shaft, a bearing is arranged at one end of the rotating shaft, a bearing is arranged at the other end of the rotating shaft, the outer rings of the bearings are fixed on the hopper, a gear is fixed on the end of the rotating shaft, the gear is engaged with one of the gears, one of the rotating shafts is connected to the output shaft of the hydraulic motor, the end of the barrel is provided with a discharge pipe and a feed pipe, the discharge pipe is downwardly arranged, the feed pipe is upwardly arranged, a control panel is arranged on the discharge pipe, a discharge pipe is arranged at the front end of the barrel, the discharge pipe is downwardly arranged, and a control panel is arranged on the discharge pipe.

4. The spreader of claim 1 wherein: The fertilizer distributor includes a base, a stand is fixed on the base, a mounting bracket is fixed on the upper end of the stand, a hopper is fixed on the mounting bracket, a mounting hole is arranged on the hopper, the pulverizing and conveying component extends into the hopper through the mounting hole, a discharge pipe is arranged at the lower end of the hopper, a control valve is arranged on the discharge pipe, a fixed plate is fixed on the base, a hydraulic motor is arranged on the fixed plate, a spreading plate is arranged on the output shaft of the hydraulic motor, the discharge pipe is arranged above the spreading plate, the spreading plate includes a conical body, a plurality of throwing plates are arranged on the upper end surface of the conical body.

5. A spreader as claimed in claim 4, wherein: A connecting pipe is arranged on the lower end surface of the spreading plate, and the connecting pipe is connected to the output shaft of the hydraulic motor.

6. A spreader as claimed in claim 4 wherein: A baffle is fixed on the fixed plate, and the baffle is arranged on the rear side of the spreading plate.

7. A spreader as claimed in claim 4 wherein: The second bin is provided with a sieve plate.

8. A spreader as claimed in claim 1 wherein: The outlet pipe four of the crushing and conveying assembly is provided with an inlet end of the screw conveying assembly, and the outlet end of the upper end of the screw conveying assembly is arranged above the inlet pipe one of the storage bin.

9. A spreader as claimed in claim 8, wherein: The screw conveyor comprises a second fixed plate, a second hydraulic motor fixed on the second fixed plate, an output shaft of the second hydraulic motor connected with a second rotating shaft, a bearing seat two arranged on one end of the second rotating shaft, a bearing seat three arranged on the other end of the second rotating shaft, a shell arranged on the second rotating shaft, a bearing five arranged on each end of the shell, an inner ring of the bearing five fixed on the second rotating shaft, a second spiral body fixed on the second rotating shaft in the shell, a maximum diameter of the second spiral body not greater than an inner diameter of the shell, an inlet pipe six arranged on a lower end of the shell, a feeding hopper arranged on the inlet pipe six, an outlet pipe six arranged on an upper end of the shell, an outlet hopper arranged on the outlet pipe six, and the second fixed plate fixedly connected with the third supporting frame.

10. A spreader as claimed in claim 9, wherein: The feeding hopper comprises a bottom plate, one first side plate fixed on each side of the bottom plate, a second side plate fixed on a rear end of the bottom plate, the second side plate connected with the first side plate on both sides, an interface plate fixed on a front end of the bottom plate, the interface plate connected with the first side plate on both sides, an included angle between the interface plate and a horizontal plane smaller than an included angle between the second side plate and the horizontal plane, the interface plate arranged below the outlet pipe four of the crushing and conveying assembly, and a connecting pipe two arranged on one first side plate and connected with the inlet pipe six.

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