Large grain conveying device

Abstract

The utility model discloses a large grain conveying device which comprises a hopper. The first conveying auger is rotationally arranged at the bottom of the hopper in the length direction of the hopper, and one end of the first conveying auger extends out of the hopper; the second conveying auger is perpendicular to the first conveying auger, a discharging port of the first conveying auger is a feeding port of the second conveying auger, one end of the second conveying auger is arranged on the hopper through a connecting cylinder, and a rotating shaft of the first conveying auger penetrates through the connecting cylinder and extends out of the connecting cylinder; by means of the technical scheme, all grains in a harvesting bin of the combine harvester can be transferred at a time, the purpose of transferring at a time is achieved, the grains are transferred to a designated place in cooperation with traction of a tractor, and in addition, the grain conveying efficiency is improved. Grain in the transferring and conveying device is directly unloaded through the two conveying augers which are arranged in a matched mode, the operation that a hydraulic cylinder jacks up a stock bin is not needed, automatic unloading is achieved, and the unloading purpose is easily achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to conveying machinery field especially relates to a large -scale grain conveying device. BACKGROUND

[0002] China is a big agricultural country, along with the continuous development of agricultural production and operation conditions, the degree of agricultural mechanization in China is continuously improved, and the agricultural machinery is an indispensable equipment in agricultural production. At present, most of the crops basically realize the mechanized harvesting, conveying and other processes, for example, the crops such as wheat, corn, rice and soybean need to be transported to a specific place through intermediate conveying devices after being harvested by a combine harvester. At present, the conveying and transportation are mainly carried out by agricultural three-wheelers, and the agricultural three-wheelers generally use hydraulic cylinders to lift the hoppers of the agricultural three-wheelers to unload the grain, which is fast in unloading speed, but the agricultural three-wheelers carry less grain, and the grain needs to be transported multiple times, especially in large farms, the combine harvester harvests more grain at a time, and multiple agricultural three-wheelers are needed to alternate transportation, which requires the combine harvester to wait and switch the agricultural three-wheelers, thereby reducing the working efficiency of the combine harvester and the grain transportation efficiency. SUMMARY

[0003] The existing grain is unloaded into the agricultural three-wheeler after being harvested by the combine harvester for transportation, but the agricultural three-wheeler carries less grain and needs to be transported multiple times, especially in large farms, the combine harvester harvests more grain at a time, and the agricultural three-wheeler has low transportation efficiency, and different agricultural three-wheelers need to be switched during transportation, which increases the waiting time of the combine harvester and reduces the working efficiency, and the present application designs a large-scale grain conveying device, which specifically adopts the technical scheme of:

[0004] A large-scale grain conveying device, comprising:

[0005] a hopper;

[0006] a first conveying auger, the first conveying auger is rotatably arranged at the bottom of the hopper along the length direction of the hopper, and one end of the first conveying auger extends out of the hopper, and the rotating shaft of the first conveying auger is a power input shaft;

[0007] a second conveying auger, the second conveying auger is arranged in the hopper through a connecting cylinder, and the rotating shaft of the first conveying auger extends to the outside of the connecting cylinder;

[0008] a power transmission mechanism, the power transmission mechanism is connected with the rotating shaft of the first conveying auger, and the power transmission mechanism is connected with the second conveying auger.

[0009] Preferably, the second conveying auger comprises a lower auger, an upper auger, a first telescopic part and a locking part, the first telescopic part is hingedly connected between the upper auger and the lower auger, the upper auger and the lower auger are hinged, the first telescopic part connects or separates the upper auger and the lower auger through telescoping, and the locking part is arranged on the upper auger or the lower auger and can be locked after the upper auger and the lower auger are connected.

[0010] Preferably, the lower auger comprises a lower shell and lower auger blades, the upper auger comprises an upper shell and upper auger blades, the upper ends of the lower auger blades and the lower ends of the upper auger blades are connected through concave-convex parts, and the first telescopic part is hingedly connected between the edge of the upper shell and the edge of the lower shell.

[0011] Preferably, the locking part comprises a locking claw, the locking claw is hingedly connected to the lower shell, and a second telescopic part is hingedly connected between the lower side of the locking claw in the hinged position and the lower shell.

[0012] Preferably, the first telescopic part and the second telescopic part are hydraulic cylinders, pneumatic cylinders or electric cylinders.

[0013] Preferably, the connecting barrel is rotatably arranged in the hopper through a bearing, a third telescopic part is connected between the second conveying auger and the hopper, and the third telescopic part is used for fixing the second conveying auger.

[0014] Preferably, the third telescopic part is a telescopic cylinder.

[0015] Preferably, the bottom of the hopper is provided with a notch, the first conveying auger comprises a shell and auger blades, the shell is connected to the bottom of the hopper and has an opening on the side surface and communicates with the notch, the auger blades are rotatably arranged in the shell, a baffle plate is arranged above the auger blades on the bottom of the hopper, and a feeding space is left between the two edges of the baffle plate and the hopper.

[0016] Preferably, the power transmission mechanism comprises:

[0017] a first sprocket, the first sprocket is arranged on the rotating shaft of the first conveying auger;

[0018] a bevel gear reversing mechanism, the bevel gear reversing mechanism is connected to the hopper through a fixing frame, a second sprocket is connected to one of the rotating shafts of the bevel gear reversing mechanism, a chain is connected between the first sprocket and the second sprocket, and the other rotating shaft is connected to the rotating shaft of the second conveying auger.

[0019] The utility model discloses a conveying device for a combine harvester, which comprises a hopper, a first conveying auger arranged in the hopper, a second conveying auger arranged in the hopper and a power transmission mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the perspective view of the utility model;

[0021] Figure 2 is the plan view of the utility model after the material baffle is disassembled;

[0022] Figure 3 is Figure 2 the sectional view of A-A.

[0023] In the figure, 1, hopper, 2, material baffle, 3, second conveying auger, 301, upper auger, 301a, upper housing, 301b, upper auger blade, 302, lower auger, 302a, lower auger blade, 302b, lower housing, 303, first telescopic part, 304, locking part, 304a, locking claw, 304b, second telescopic part, 4, connecting cylinder, 5, bearing, 6, third telescopic part, 601, first sprocket, 602, second sprocket, 603, bevel gear reversing mechanism, 604, fixed frame, 605, chain, 7, notch, 8, first conveying auger, 801, shell, 802, auger blade, 9, concave-convex part. DETAILED DESCRIPTION

[0024] To clearly illustrate the technical features of the scheme, the utility model is described in detail below through specific implementation and in conjunction with the drawings.

[0025] In addition, in the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0026] As Figures 1-3 shown, a large grain conveying device includes a hopper 1 in the shape of a cuboid, the hopper 1 is open at the top and tapered at the bottom, a first conveying auger 8 is rotatably arranged at the bottom of the hopper 1, the first conveying auger 8 is arranged along the length direction of the hopper 1, the front end of the first conveying auger 8 (the front end is the direction in which the hopper 1 travels forward) extends out of the hopper 1, and the front end of the first conveying auger 8 is a power input shaft, the power input of the power input shaft is provided by an external traction device, and the traction device can also drive the first auger to convey materials while towing the hopper 1 to transport grain.

[0027] The second conveying auger 3 is arranged perpendicularly to the first conveying auger 8, and the discharge port of the first conveying auger 8 is the feeding port of the second conveying auger 3, so that the material discharged from the first conveying auger 8 can be directly conveyed by the second conveying auger 3, and the conveying direction is changed. The second conveying auger 3 is arranged on the hopper 1 through the connecting cylinder 4, and the rotating shaft of the first conveying auger 8 extends to the outside of the connecting cylinder 4, and the connecting cylinder 4 surrounds the blades of the first conveying auger 8 and the blades of the second conveying auger 3, so that the material discharged from the first conveying auger 8 can enter the second conveying auger 3.

[0028] In order to simplify the structure and save the cost of the structure, the power transmission mechanism is arranged, which shares the power of the external traction device for the first conveying auger 8 and the second conveying auger 3. The power transmission mechanism is connected with the rotating shaft of the first conveying auger 8, and the rotating shaft inputs the power to drive the first conveying auger 8 to rotate. At the same time, the power transmission mechanism is connected with the second conveying auger 3, and the power transmission mechanism drives the second conveying auger 3 to rotate through power transmission and direction change.

[0029] Further, the structure of the second conveying auger 3 includes a lower auger 302, an upper auger 301, a first telescopic member 303 and a locking member 304. The first telescopic member 303 is hingedly connected between the upper auger 301 and the lower auger 302. The first telescopic member 303 can be an oil cylinder, an air cylinder or an electric cylinder. The first telescopic member 303 can connect or separate the upper auger 301 and the lower auger 302 through telescoping. The locking member 304 is arranged on the upper auger 301 or the lower auger 302, and can be locked after the upper auger 301 and the lower auger 302 are connected, so as to improve the stability of the upper auger 301 and prevent the upper auger 301 and the lower auger 302 from rotating at a small angle after being connected. By arranging the second conveying auger 3 in the above form, the length of the auger can be increased, the conveying height during the conveying and transferring of the grain can be increased, and the application range can be increased (for example, the working condition of a high inlet height of a storage grain bin).

[0030] Further, the specific structure of the lower auger 302 includes a lower shell 302b and a lower auger blade 302a, and the specific structure of the upper auger 301 includes an upper shell 301a and an upper auger blade 301b. The upper end of the lower auger blade 302a and the lower end of the upper auger blade 301b are connected through concave-convex members 9 (for example, cross-shaped clamping convex and clamping groove connection, T-shaped clamping convex and clamping groove connection, and linear clamping convex and clamping groove connection) to realize connection. The first telescopic member 303 is hingedly connected between the edge of the upper shell 301a and the edge of the lower shell 302b. The first telescopic member 303 extends to drive the upper auger 301 to rotate around the hinge point until the upper auger blade 301b is connected with the lower auger blade 302a, and then the locking member 304 is locked.

[0031] Further, the specific structure of the locking member 304 includes a locking claw 304a hinged to the lower shell 302b, and a second telescopic member 304b hinged between the lower side of the hinged position of the locking claw 304a and the lower shell 302b, the second telescopic member 304b extending to push the locking claw 304a against the flange edge of the upper shell 301a to lock the upper shell 301a and the lower shell 302b, and the second telescopic member 304b retracting to pull the locking claw 304a to rotate around the hinge to disengage the locking claw 304a from the flange edge of the upper shell 301a.

[0032] The first telescopic member 303 and the second telescopic member 304b are hydraulic cylinders, air cylinders or electric cylinders.

[0033] Further, in order to adjust the different discharging heights of the second conveying auger 3, the connecting cylinder 4 is rotatably arranged on the hopper 1 through a bearing 5, and a third telescopic member 6 is further hinged between the lower shell 302b and the hopper 1, the third telescopic member 6 being realized by a telescopic cylinder and used for fixing the second conveying auger 3, and when it is necessary to adjust the discharging height of the second conveying auger 3, the third telescopic member 6 is directly controlled to realize the adjustment.

[0034] Further, the first conveying auger 8 is arranged at the bottom of the hopper 1, and specifically, a notch 7 is arranged at the bottom of the hopper 1 and extends along the length direction of the hopper 1 in a rectangular shape, the first conveying auger 8 includes an outer shell 801 and auger blades 802, the outer shell 801 is connected to the bottom of the hopper 1 and has an opening at the side surface and communicates with the notch 7, and the auger blades 802 are rotatably arranged in the outer shell 801 (or in the notch 7), a baffle plate 2 is arranged above the auger blades 802 at the bottom of the hopper 1, the baffle plate 2 avoids the direct contact between the auger blades 802 and the grain, so as to avoid the problem that the auger blades 802 are directly stuck due to the excessive load, and the two edges of the baffle plate 2 and the hopper 1 leave a feeding space, the grain enters the outer shell 801 from the side surface, and the auger rotates to feed the grain.

[0035] Further, the power transmission mechanism includes a first sprocket 601 arranged on the rotating shaft of the first conveying auger 8, and a bevel gear reversing mechanism 603 connected to the hopper 1 through a fixed frame 604, one rotating shaft of the bevel gear reversing mechanism 603 is connected with a second sprocket 602, a chain 605 is connected between the first sprocket 601 and the second sprocket 602, and the other rotating shaft is connected with the rotating shaft of the second conveying auger 3.

[0036] The specific embodiments cannot be used as a limitation to the protection scope of the present application, and any alternative improvement or change made by the person skilled in the art to the embodiments of the present application falls within the protection scope of the present application.

[0037] The utility model is not detailed, which is the known technology of the technical personnel in the technical field.

Claims

1. A large-scale grain conveying device, characterized in that, include: hopper; A first conveying auger is rotatably disposed at the bottom of the hopper along the length of the hopper, and one end of the first conveying auger extends out of the hopper. The shaft of the first conveying auger is a power input shaft. The second conveying auger is arranged perpendicularly to the first conveying auger. The discharge port of the first conveying auger is the inlet of the second conveying auger. One end of the second conveying auger is set in the hopper through a connecting cylinder. The rotating shaft of the first conveying auger extends to the outside of the connecting cylinder. A power transmission mechanism is connected to the rotating shaft of the first conveying auger and also to the second conveying auger.

2. A large-scale grain conveying device according to claim 1, characterized in that, The second conveying auger includes a lower auger, an upper auger, a first telescopic member, and a locking component. The first telescopic member is hinged between the upper auger and the lower auger. The upper auger and the lower auger are hinged together. The first telescopic member connects and separates the upper auger and the lower auger by telescoping. The locking component is disposed on the upper auger or the lower auger and can lock after the upper auger and the lower auger are connected.

3. A large-scale grain conveying device according to claim 2, characterized in that, The lower auger includes a lower housing and a lower auger blade, and the upper auger includes an upper housing and an upper auger blade. The upper end of the lower auger blade and the lower end of the upper auger blade are connected by a convex-concave joint. The first telescopic member is hinged between the edge of the upper housing and the edge of the lower housing.

4. A large-scale grain conveying device according to claim 3, characterized in that, The locking component includes a locking pawl, which is hinged to the lower housing. A second telescopic member is hinged between the locking pawl and the lower housing at the lower side of the hinged position.

5. A large-scale grain conveying device according to claim 4, characterized in that, The first telescopic component and the second telescopic component are hydraulic cylinders, pneumatic cylinders or electric cylinders.

6. A large-scale grain conveying device according to claim 1, characterized in that, The connecting cylinder is rotatably mounted on the hopper via a bearing, and a third telescopic member is provided between the second conveying auger and the hopper for fixing the second conveying auger.

7. A large-scale grain conveying device according to claim 6, characterized in that, The third telescopic component is a telescopic cylinder.

8. A large-scale grain conveying device according to claim 1, characterized in that, The bottom of the hopper has a slot. The first conveying auger includes a shell and auger blades. The shell is connected to the bottom of the hopper and the side of the shell is open and communicates with the slot. The auger blades are rotatably disposed inside the shell. A baffle plate is provided at the bottom of the hopper above the auger blades. A feeding space is left between the two edges of the baffle plate and the hopper.

9. A large-scale grain conveying device according to claim 1, characterized in that, The power transmission mechanism includes: A first sprocket is disposed on the shaft of the first conveying auger; A bevel gear reversing mechanism is provided, which is connected to the hopper via a fixed frame. A second sprocket is connected to one of the shafts of the bevel gear reversing mechanism, and a chain is connected between the first sprocket and the second sprocket. The other shaft is connected to the shaft of the second conveying auger.

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