Power Transmission System of Simple Single-row Garlic Combine Harvester

Abstract

The invention relates to a power transmission system of a simple single-row garlic combine harvester, comprising a base plate, wherein two base plates are symmetrically arranged and fixedly connected as a whole through a crossbeam; shaft holes are symmetrically arranged on the upper and lower parts of the base plate, and bearing flange mounting holes are arranged around the shaft holes for mounting the bearing flanges; a small bearing flange located at the upper part is connected to a clutch shaft by a key, and a large bearing flange located at the lower part is connected to a digging knife driving shaft by a key; one end of the clutch shaft is fixedly connected to a clutch shaft output sprocket, and the other end is used for mounting a power input wheel and a clutch; one end of the digging knife driving shaft is keyed to a digging knife working sprocket and a clamping driving sprocket, and the digging knife working sprocket is connected to the clutch shaft output sprocket through a chain; the clamping driving sprocket drives a clamping part power system through the chain; the clamping part power system is installed at the front part of a clamping support arm, and the rear part of the clamping support arm is rotatably connected to the base plate, and the rotation angle of the clamping support arm is controlled through a positive and negative buckle assembly.

Description

Technical Field

[0001] The invention relates to the field of agricultural machinery, and in particular provides a power transmission system of a simple single-row garlic combine harvester. Background Art

[0002] When working, the garlic harvester needs to control the walking mechanism, clamping mechanism, and digging knife mechanism. If each working mechanism is equipped with a power device, the weight and volume of the harvester will be greatly increased, and the manufacturing cost will be increased. In addition, since garlic is mainly planted in small plots in the main garlic producing areas of my country, there are certain restrictions on the volume of the harvester. Therefore, how to solve the problem of controlling several working mechanisms with one power system at the same time is an urgent problem to be solved. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides a power transmission system for a simple single-row garlic combine harvester.

[0004] The technical scheme adopted by the present invention is: a power transmission system of a simple single-row garlic combine harvester, comprising a base plate, a bearing flange, a clamping support arm, a positive and negative buckle assembly, a clutch shaft, a digging knife drive shaft, a clutch shaft transmission sprocket, a digging knife working sprocket, a clamping drive sprocket and a clamping part power system; two base plates are provided, the two base plates are symmetrically arranged, and are fixedly connected as a whole through a crossbeam; shaft holes are symmetrically arranged on the upper and lower parts of the base plate, and bearing flange mounting holes are arranged around the shaft holes for mounting the bearing flanges; the small bearing flange located at the upper part is internally keyed to connect the clutch shaft, and the large bearing flange located at the lower part is internally keyed to connect the clutch shaft. An inner key is connected to the digging knife driving shaft, one end of the clutch shaft is fixedly connected to the clutch shaft output sprocket, and the other end is used to install the power input wheel and the clutch, and is connected to the power system of the harvester through the power input wheel; one end of the digging knife driving shaft is keyed to the digging knife working sprocket and the clamping drive sprocket, and the digging knife working sprocket is connected to the clutch shaft output sprocket through a chain; the clamping drive sprocket drives the clamping part power system through the chain; the clamping part power system is installed at the front part of the clamping support arm, the rear part of the clamping support arm is rotatably connected to the base plate, and the rotation angle of the clamping support arm is controlled by the forward and reverse buckle assembly.

[0005] The small bearing flange and the large bearing flange respectively include a flange, a bearing body and a shell; the bearing body is installed in the shell, a flange is fixedly connected to the bottom of the shell, and a mounting hole is provided on the flange, which can be connected to the bearing flange mounting hole on the base plate by bolts; the shell of the large bearing flange extends outward to form a sleeve, and a circle of grooves is provided at the front of the sleeve.

[0006] The clamping arm includes two support rods parallel to each other, the front ends of the support rods are welded together through a crossbeam, and the rear ends are respectively fixedly connected to the shaft sleeves, the shaft sleeves are installed with clearance fit between the sleeve body of the large bearing flange, and a clamp is installed on the slot to limit the shaft sleeve, and the outer diameter of the clamp is larger than the inner diameter of the shaft sleeve.

[0007] A positive and negative buckle mounting seat is welded on the crossbeam of the clamping support arm, and the support arm is extended forward from the upper part of the base plate. The support arm has positive and negative buckle mounting holes symmetrically arranged on it, serving as another positive and negative buckle mounting seat.

[0008] The forward and reverse buckle assembly includes a hollow rod with forward and reverse nuts fixed at both ends, and the two ends of the hollow rod are respectively connected to threaded rods through nuts, and fastening nuts are installed on the threaded rods. The end of one of the threaded rods is connected to a connecting head with a mounting hole, and the connecting head is connected to the forward and reverse buckle mounting seat on the clamping arm crossbeam through bolts and nuts; a cross bar is welded to the end of the other threaded rod, and threads are set at both ends of the cross bar; the cross bar can be connected to the forward and reverse buckle mounting holes on the base plate and fixed by nuts.

[0009] The clamping part power system includes a commutator and a gear box. The input shaft of the commutator is equipped with a clamping working sprocket. The clamping working sprocket is connected to the clamping driving sprocket through a chain. The output shaft of the commutator is connected to the gear box.

[0010] The commutator is installed on the gear box, and the gear box is installed on the front end of the clamping support arm.

[0011] The beneficial effects of the present invention are as follows: the power transmission system of the simple single-row garlic combine harvester of the present invention supports the power system of the clamping part through the clamping arm, and adjusts and fixes the angle of the clamping arm through the positive and negative buckle assembly; the base plate is used as a supporting component to support the clamping arm, the clutch shaft, the digging knife driving shaft, the clutch shaft driving sprocket, the digging knife working sprocket and the clamping driving sprocket, and the digging knife device and the clamping device are driven by the digging knife working sprocket and the clamping driving sprocket, so that the entire power system is simplified, and each device can complete the work by sharing one engine, so that the whole machine is small in size, light in weight, flexible and convenient, and saves cost at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a power transmission system for a simple single-row garlic combine harvester.

[0013] Figure 2 The front view of the power transmission system of a simple single-row garlic combine harvester.

[0014] Figure 3 for Figure 2 There is AA view.

[0015] Figure 4It is a structural schematic diagram of the positive and negative buckle assembly. DETAILED DESCRIPTION

[0016] like Figures 1-3 As shown, a power transmission system of a simple single-row garlic combine harvester includes a base plate 1, a bearing flange 2, a clamping arm 9, a forward and reverse buckle assembly 10, a clutch shaft 3, a digging knife drive shaft 4, a clutch shaft transmission sprocket 5, a digging knife working sprocket 6, a clamping drive sprocket 7 and a clamping part power system 8.

[0017] like Figure 1 , 3 As shown, two base plates 1 are provided, the two base plates 1 are symmetrically arranged and fixedly connected as a whole by a crossbeam 1-2; shaft holes are symmetrically arranged on the upper and lower parts of the base plate 1, and bearing flange mounting holes 1-1 are arranged around the shaft holes for mounting bearing flanges 2; the small bearing flange 2-1 located at the upper part is keyed to the clutch shaft 3, and the large bearing flange 2-2 located at the lower part is keyed to the digging knife driving shaft 4, one end of the clutch shaft 3 is fixedly connected to the clutch shaft output sprocket 5, and the other end is used to install the power input wheel and the clutch, and is connected to the power system of the harvester through the power input wheel; one end of the digging knife driving shaft 4 is keyed to the digging knife working sprocket 6 and the clamping drive sprocket 7, and the digging knife working sprocket 6 is connected to the clutch shaft output sprocket 5 through a chain; the clamping drive sprocket 7 drives the clamping part power system 8 through the chain; the clamping part power system 8 is installed at the front of the clamping support arm 9, and the rear of the clamping support arm 9 is rotatably connected to the base plate 1, and the rotation angle of the clamping support arm 9 is controlled by the positive and negative buckle assembly 10.

[0018] like Figure 3 As shown, the small bearing flange 2-1 and the large bearing flange 2-2 respectively include flanges 2-11 and 2-21, bearing bodies 2-12 and 2-22 and shells 2-13 and 2-23; the bearing bodies 2-12 and 2-22 are installed in the shells 2-13 and 2-23, the bottoms of the shells 2-13 and 2-23 are fixedly connected with flanges 2-11 and 2-21, the flanges 2-11 and 2-21 are provided with mounting holes, which can be connected to the bearing flange mounting holes 1-1 on the base plate 1 by bolts; the shell 2-23 of the large bearing flange 2-2 extends outwardly with a sleeve 2-24, and the front part of the sleeve 2-24 is provided with a circle of grooves 2-25.

[0019] like Figure 1 As shown, the clamping arm 9 includes two support rods 9-1 parallel to each other. The front ends of the support rods 9-1 are welded together through a crossbeam, and the rear ends are respectively fixedly connected to the shaft sleeves 9-2. The shaft sleeves 9-2 are installed with clearance fit between the sleeve body 2-24 of the large bearing flange 2-2, and a clamp is installed on the groove 2-25 to limit the shaft sleeve 9-2, and the outer diameter of the clamp is larger than the inner diameter of the shaft sleeve 9-2.

[0020] A positive and negative buckle mounting seat 11 is welded on the crossbeam of the clamping support arm 9, and the support arm extends forward from the upper part of the base plate 1. The support arm has positive and negative buckle mounting holes 1-3 symmetrically arranged on the support arm, serving as another positive and negative buckle mounting seat.

[0021] like Figure 4 As shown, the forward and reverse buckle assembly 10 includes a hollow rod 10-1 with forward and reverse nuts 10-2 fixed at both ends, and the two ends of the hollow rod 10-1 are connected to threaded rods 10-3 through nuts 10-2 respectively, and fastening nuts 10-4 are installed on the threaded rods 10-3. The end of one of the threaded rods is connected to a connector 10-5 with a mounting hole, and the connector 10-4 is connected to the forward and reverse buckle mounting seat 11 on the crossbeam of the clamping arm 9 through bolts and nuts; a cross bar 10-6 is welded to the end of the other threaded rod, and threads are set at both ends of the cross bar 10-6; the cross bar 10-6 can be connected to the forward and reverse buckle mounting holes 1-3 on the substrate 1 and fixed by nuts.

[0022] The clamping part power system 8 includes a commutator 8-1 and a gear box 8-2. A clamping working sprocket 8-3 is installed on the input shaft of the commutator 8-1. The clamping working sprocket 8-3 is connected to the clamping driving sprocket 7 through a chain. The output shaft of the commutator 8-1 is connected to the gear box 8-2.

[0023] The commutator 8 - 1 is mounted on the gear box 8 - 2 , and the gear box 8 - 2 is mounted on the front end of the clamping arm 9 .

[0024] The base plate 1 is also provided with a base plate connecting hole for connecting the base plate 1 and the overall frame; the clutch shaft 3 can be installed with a power input wheel and a clutch. The power system of the harvester generally includes an engine and a reduction device. The output gear of the reduction device is connected to the power input wheel of the clutch shaft through a chain. The clutch adopts a conventional installation method. Since its installation and use methods are common knowledge in the field, they will not be repeated here.

[0025] The commutator 8-1 described in this article is a cross-coupling commutator, and the gear box 8-2 is set with the number of gears according to the use requirements, with the purpose of transmitting power to the clamping part. The commutator 8-1 and the gear box 8-2 are both conventional products and will not be described in detail in this article.

Claims

1. A power transmission system for a simple single-row garlic combine harvester. It is characterized in that It includes a base plate, a bearing flange, a clamping support arm, a positive and negative buckle assembly, a clutch shaft, a digging knife drive shaft, a clutch shaft output sprocket, a digging knife working sprocket, a clamping drive sprocket and a clamping part power system; two base plates are provided, the two base plates are symmetrically arranged, and are fixedly connected as a whole through a crossbeam; the upper and lower parts of the base plate are symmetrically provided with shaft holes, and the bearing flange mounting holes are arranged around the shaft holes for mounting the bearing flanges; the small bearing flange located at the upper part is connected to the clutch shaft by an internal key, and the large bearing flange located at the lower part is connected to the digging knife drive shaft by an internal key, and one end of the clutch shaft is connected to the clutch shaft by an internal key. The clutch shaft output sprocket is fixedly connected, and the other end is used to install the power input wheel and the clutch, and is connected to the power system of the harvester through the power input wheel; one end of the digging knife drive shaft is keyed to the digging knife working sprocket and the clamping drive sprocket, and the digging knife working sprocket is connected to the clutch shaft output sprocket through a chain; the clamping drive sprocket drives the clamping part power system through the chain; the clamping part power system is installed at the front part of the clamping support arm, and the rear part of the clamping support arm is rotatably connected to the base plate, and the rotation angle of the clamping support arm is controlled by the positive and negative buckle assembly; The small bearing flange and the large bearing flange respectively include a flange, a bearing body and a housing; the bearing body is installed in the housing, a flange is fixedly connected to the bottom of the housing, and a mounting hole is provided on the flange, which can be connected to the bearing flange mounting hole on the base plate by bolts; the housing of the large bearing flange extends outward to form a sleeve, and a circle of grooves is provided at the front of the sleeve; The clamping part power system includes a commutator and a gear box. The input shaft of the commutator is equipped with a clamping working sprocket. The clamping working sprocket is connected to the clamping driving sprocket through a chain. The output shaft of the commutator is connected to the gear box.

2. A power transmission system for a simple single-row garlic combine harvester according to claim 1, It is characterized in that The clamping arm includes two support rods parallel to each other, the front ends of the support rods are welded together through a crossbeam, and the rear ends are respectively fixedly connected to the shaft sleeves, the shaft sleeves are installed with clearance fit between the sleeve body of the large bearing flange, and a clamp is installed on the slot to limit the shaft sleeve, and the outer diameter of the clamp is larger than the inner diameter of the shaft sleeve.

3. A power transmission system for a simple single-row garlic combine harvester according to claim 2, It is characterized in that A positive and negative buckle mounting seat is welded on the crossbeam of the clamping support arm, and the support arm is extended forward from the upper part of the base plate. The support arm has positive and negative buckle mounting holes symmetrically arranged on it, serving as another positive and negative buckle mounting seat.

4. A power transmission system for a simple single-row garlic combine harvester according to claim 3, It is characterized in that The positive and negative buckle assembly includes a hollow rod with positive and negative nuts fixedly connected to both ends. The two ends of the hollow rod are respectively connected with threaded rods through nuts, and fastening nuts are installed on the threaded rods. One end of one threaded rod is connected with a connector with an installation hole, and the connector is connected with the positive and negative buckle mounting seat on the clamping support arm crossbeam through bolts and nuts; the end of the other threaded rod is welded with a crossbar, and threads are provided at both ends of the crossbar; the crossbar can be connected with the positive and negative buckle installation holes on the substrate and fixed by nuts.

5. The power transmission system of a simple single-row garlic combine harvester according to claim 1, characterized in that the commutator is installed on the gearbox, and the gearbox is installed at the front end of the clamping support arm.

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