Small elevator and corn harvester header thereof

Abstract

The utility model discloses a small elevator and a corn harvester header thereof, and relates to the technical field of agricultural harvester equipment, the small elevator comprises a small elevator driving shaft and a small elevator driven shaft, the small elevator driving shaft is in transmission connection with a power supply device through a transmission system; the small elevator driven shaft comprises a small elevator driven inner shaft and a small elevator driven outer shaft; the small elevator driven shaft comprises the driven shaft inner shaft and the driven shaft outer shaft which are arranged in a nested mode, the driving shaft and the driven outer shaft are in transmission connection through the conveying belt, the small elevator driven shaft is different from the prior art, the small elevator driven shaft is arranged in the small elevator driven shaft, the small elevator driven shaft is arranged in the small elevator driven shaft, and the small elevator driven shaft is arranged in the small elevator driven shaft in a sleeved mode and is connected with the small elevator driven inner shaft in a sleeved mode. The driving shaft and the driven shaft of the small elevator are in transmission connection through the chain, when the seedling pulling chain is clamped and cannot rotate normally, the driving shaft of the small elevator keeps normal operation, the driven outer shaft of the small elevator is driven by the conveying belt to continue to rotate, and normal work of the small elevator is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery field, concretely is a small elevator and corn harvester header and corn harvester. BACKGROUND

[0002] The existing corn harvester header, a pair of prong chains corresponding to the ear picking roller, one of the prong chains is driven by the ear picking box through the transmission shaft to provide power for the prong chain, and the other prong chain is driven by the small elevator to provide power for the prong chain, and the prior art is specifically referred to the prior patent CN215957213U, wherein the side prong chain and the left middle prong chain are a pair of prong chains, and the output shaft of the gearbox is the transmission shaft of the ear picking box.

[0003] For the small elevator, the engine transmits power to the small elevator driving shaft through the transmission system, the small elevator driving shaft is drivingly connected with the small elevator driven shaft through a chain or a belt to drive the small elevator driven shaft to rotate, and the rotation of the driving shaft and the driven shaft of the small elevator drives the transmission of the conveying belt to realize the conveying of the corn ears. UTILITY MODEL CONTENTS

[0004] The technical problem of the utility model is to overcome the shortcomings of the prior art and provide a small elevator and a corn harvester header.

[0005] The technical solution of the utility model is a small elevator, which comprises a small elevator driving shaft and a small elevator driven shaft, the small elevator driving shaft is drivingly connected with a power supply device through a transmission system, the small elevator driven shaft comprises a small elevator driven inner shaft and a small elevator driven outer shaft, the small elevator driven outer shaft is sleeved outside the small elevator driven inner shaft and is rotationally connected with the small elevator driven inner shaft.

[0006] Further, the small elevator driving shaft and the small elevator driven outer shaft are drivingly connected through a conveying belt.

[0007] Further, the small elevator driving shaft is provided with a small elevator driving shaft first transmission wheel, and the small elevator driving shaft first transmission wheel is drivingly connected with the power supply device through the transmission system.

[0008] Further, the small elevator driving shaft is provided with a small elevator driving shaft second transmission wheel, and the small elevator driving shaft second transmission wheel is in transmission connection with the header auger transmission.

[0009] The corn harvester header comprises the small elevator, a husking box, a prong assembly and a husking roller, a pair of prong assemblies corresponding to a husking roller pair are in transmission connection with the husking box through a transmission device.

[0010] Further, the husking box comprises a power input part, a first power output part, a second power output part, a third power output part and a fourth power output part.

[0011] Further, the small elevator driven inner shaft is in transmission connection with the first power output part of the husking box and a first prong assembly in the prong assembly.

[0012] Further, the small elevator driven inner shaft is provided with a small elevator driven inner shaft first transmission wheel; the small elevator driven inner shaft first transmission wheel is in transmission connection with the first power output part of the husking box through a belt or a chain.

[0013] Further, the small elevator driven inner shaft is provided with a small elevator driven inner shaft second transmission wheel; the small elevator driven inner shaft second transmission wheel is in transmission connection with a first prong assembly first transmission wheel of a first prong assembly through a belt or a chain, and the first prong assembly first transmission wheel is in transmission connection with a first prong assembly second transmission wheel.

[0014] Further, the second power output part of the husking box is in transmission connection with a second prong assembly first transmission wheel of a second prong assembly through a second power output transmission shaft, and the second prong assembly first transmission wheel is in transmission connection with a second prong assembly second transmission wheel.

[0015] The utility model has the advantages that compared with the prior art, the utility model has the advantages that:

[0016] 1、 the utility model discloses a small elevator, and the driven shaft is arranged as the nested driven shaft inner shaft and driven shaft outer shaft, the driving shaft and the driven outer shaft are in transmission connection through the conveying belt, unlike the prior art, the small elevator driving shaft and the driven shaft are in transmission connection through the chain, and when the prong chain is stuck and cannot rotate normally, the small elevator driving shaft keeps normal operation, the small elevator driven outer shaft continues to rotate through the conveying belt, and the normal work of the small elevator is ensured.

[0017] 2、 the utility model discloses a corn harvester header, and a small elevator driving shaft second transmission wheel is arranged on the small elevator driving shaft, the small elevator driving shaft second transmission wheel is in transmission connection with the header auger transmission, and the transmission of the header auger is realized.

[0018] 3. The corn harvester header of the utility model, the driven shaft in the small elevator is provided as the nested driven shaft inner shaft and driven shaft outer shaft, the power of the weeding assembly is not transmitted through the power transmission of the small elevator and is directly provided by the ear picking box, that is, the series connection mode that the power of the weeding assembly is first transmitted to the small elevator driving shaft, then to the small elevator driven shaft and then to the weeding assembly in the prior art is upgraded to the parallel transmission mode that the power of the small elevator driving shaft and the weeding assembly is respectively provided by different components.

[0019] 4. The corn harvester header of the utility model creatively connects a pair of weeding assemblies corresponding to the ear picking roller pair composed of adjacent ear picking rollers through the transmission device and the ear picking box, that is, the power of the pair of weeding assemblies is provided by the ear picking box, thereby solving the problem that the chain or belt connecting the small elevator driving shaft and the small elevator driven shaft and the conveying belt are broken or damaged when the weeding chain is stuck and cannot rotate normally in the prior art.

[0020] 5. The corn harvester header of the utility model, the ear picking box provides power to the ear picking roller pair and the weeding assembly corresponding to the ear picking roller pair, the power source is single, and the stability is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structure schematic view under the overhead perspective of the corn harvester header of the utility model;

[0022] Figure 2 It is a structure schematic view under the overhead perspective of the corn harvester header of the utility model;

[0023] Figure 3 It is a structure schematic view of the small elevator in the corn harvester header of the utility model;

[0024] Figure 4 It is a structure schematic view of the small elevator driven shaft in the corn harvester header of the utility model;

[0025] Figure 5 It is an internal structure schematic view of the small elevator driven shaft in the corn harvester header of the utility model;

[0026] Figure 6 It is an internal structure schematic view of the ear picking box and the small elevator assembly part in the corn harvester header of the utility model;

[0027] Figure 7 It is an internal structure schematic view of the ear picking box, the small elevator and the weeding assembly assembly part in the corn harvester header of the utility model;

[0028] Figure 8 It is a structure schematic view of the power input part and the power output part in the corn harvester header of the utility model;

[0029] Figure 9 For the corn harvester header of the utility model, the internal structure diagram of the ear picking box is shown in the figure.

[0030] Figure 10 For the corn harvester header of the utility model, the mechanism diagram of the small elevator driven shaft and the mint assembly part is shown in the figure.

[0031] Reference signs:

[0032] 100: ear picking box;

[0033] 110: power input part, 111: transmission shaft, 112: power input transmission wheel;

[0034] 120: first power output part, 121: first power output transmission wheel;

[0035] 130: second power output part, 131: second power output transmission shaft;

[0036] 140: third power output part;

[0037] 150: fourth power output part;

[0038] 200: small elevator;

[0039] 210: small elevator driving shaft, 211: small elevator driving shaft first transmission wheel, 212: small elevator driving shaft second transmission wheel;

[0040] 220: small elevator driven shaft, 221: small elevator driven inner shaft, 222: small elevator driven outer shaft, 223: small elevator driven inner shaft first transmission wheel, 224: small elevator driven inner shaft second transmission wheel;

[0041] 230: conveying belt;

[0042] 300: weeding assembly;

[0043] 310: first weeding assembly, 311: first weeding assembly first transmission wheel, 312: first weeding assembly second transmission wheel; 313: first weeding chain;

[0044] 320: second weeding assembly, 321: second weeding assembly first transmission wheel, 322: second weeding assembly second transmission wheel; 323: second weeding chain;

[0045] 400: ear picking roller pair;

[0046] 410: first ear picking roller;

[0047] 420: second ear picking roller; DETAILED DESCRIPTION

[0048] As shown in the description accompanying drawings Figures 1-10 The embodiment provides a corn harvester header, which comprises a small elevator 200, the small elevator 200 comprising a small elevator driving shaft 210, a small elevator driven shaft 220 and a conveying belt 230, the small elevator driving shaft 210 and the small elevator driven shaft 220 being drivingly connected through the conveying belt 230.

[0049] The small elevator driving shaft 210 is drivingly connected with a power supply device through a transmission system; preferably, the small elevator driving shaft 210 is provided with a small elevator driving shaft first transmission wheel 211, the small elevator driving shaft first transmission wheel 211 being drivingly connected with the power supply device through the transmission system, so that the small elevator 200 is powered by the power supply device; further preferably, the small elevator driving shaft 210 is further provided with a small elevator driving shaft second transmission wheel 212, the small elevator driving shaft second transmission wheel 212 being drivingly connected with an auger, so as to power the auger.

[0050] The small elevator driven shaft 220 comprises a small elevator driven inner shaft 221 and a small elevator driven outer shaft 222; the small elevator driven outer shaft 222 is sleeved on the small elevator driven inner shaft 221 and is rotatably connected with the small elevator driven inner shaft 221, preferably, the small elevator driven inner shaft 221 and the small elevator driven outer shaft 222 are rotatably connected through a bearing; the small elevator driven outer shaft 220 is drivingly connected with the conveying belt 230 and the small elevator driving shaft 210.

[0051] The corn harvester header further comprises a ear picking box 100, a weeding assembly 300 and ear picking rollers, a pair of weeding assemblies 300 composed of a first weeding assembly 310 and a second weeding assembly 320 are drivingly connected with the ear picking box 100 through a transmission device; the small elevator 200 is drivingly connected with a power supply device through a transmission system.

[0052] The ear picking box 100 comprises a power input portion 110, a first power output portion 120, a second power output portion 130, a third power output portion 140 and a fourth power output portion 150; a power input transmission wheel 112 on a transmission shaft 111 of the power input portion 110 is drivingly connected with a power supply device through a transmission system; a first power output transmission wheel 121 and a second power output transmission wheel 122 on the first power output portion 120 are coaxially drivingly connected on the transmission shaft 111; the power input portion 110 is drivingly connected with the second power output portion 130, the third power output portion 140 and the fourth power output portion 150 through a gear assembly; the gear assembly can refer to the related structure in the prior patent CN219795978U of the applicant, which will not be described in detail here.

[0053] The small elevator driven inner shaft 221 is in transmission connection with the first power output transmission wheel 121 of the first power output part 120, and the first power output part 120 is in transmission connection with the first sweeping group 310 through a transmission device.

[0054] The second power output part 130 provides power for the second sweeping group 320 through the second power output transmission shaft 131, and drives the second sweeping group 320 to be connected.

[0055] The third power output part 140 and the fourth power output part 150 are respectively connected with the first ear picking roller 410 and the second ear picking roller 420 in the ear picking roller pair 400. The power transmitted by the power input part 110 is respectively transmitted to the first ear picking roller 410 and the second ear picking roller 420 by the third power output part 140 and the fourth power output part 150, so as to drive the first ear picking roller 410 and the second ear picking roller 420 to rotate and work, and pick the crop fruits.

[0056] Preferably, the small elevator driven inner shaft 221 is provided with a small elevator driven inner shaft first transmission wheel 223 and a small elevator driven inner shaft second transmission wheel 224; the first transmission wheel 223 and the second transmission wheel 224 are coaxially transmitted. The first transmission wheel 223 is in transmission connection with the first power output part 120 through a belt or a chain.

[0057] Further preferably, the first transmission wheel 223 is in transmission connection with the first power output transmission wheel 121 of the first power output part 120 through a belt or a chain. The second transmission wheel 224 is in transmission connection with the first sweeping group 310 through a belt or a chain. Further preferably, the second transmission wheel 224 is in transmission connection with the first sweeping group first transmission wheel 311 of the first sweeping group 310 through a belt or a chain.

[0058] In the raking assembly 300, the first raking assembly 310 comprises a first raking assembly first transmission wheel 311, a first raking assembly second transmission wheel 312 and a first raking chain 313; wherein the first raking chain 313 is sleeved on the first raking assembly second transmission wheel 312; the first raking assembly first transmission wheel 311 drives the first raking assembly second transmission wheel 312 to rotate, and the first raking assembly second transmission wheel 312 drives the first raking chain 313 to work. The second raking assembly 320 comprises a second raking assembly first transmission wheel 321, a second raking assembly second transmission wheel 322 and a second raking chain 323; wherein the second raking chain 323 is sleeved on the second raking assembly second transmission wheel 322; the second raking assembly first transmission wheel 321 drives the second raking assembly second transmission wheel 322 to rotate, and the second raking assembly second transmission wheel 322 drives the second raking chain 323 to work. The first raking chain and the second raking chain form a raking gap for crops to enter, and the first raking chain and the second raking chain cooperate to complete the raking work.

[0059] For the first raking assembly 310 in the raking assembly 300, the power input part 110 is in transmission connection with the first power output transmission wheel 121 through the transmission shaft 111, and the first power output transmission wheel 121, the small elevator driven inner shaft first transmission wheel 223, the first raking assembly first transmission wheel 311 and the first raking assembly second transmission wheel 312 are in transmission connection in sequence.

[0060] For the second raking assembly 320 in the raking assembly 300, the power input part 110, the second power output transmission shaft 131, the second raking assembly first transmission wheel 321 and the second raking assembly second transmission wheel 322 are in transmission connection in sequence.

[0061] The working process of the embodiment is as follows:

[0062] The power supply device transmits power to the power input transmission wheel 112 and the small elevator driving shaft first transmission wheel 211 through the transmission system; the power input transmission wheel 112 drives the small elevator driven outer shaft 222 to rotate through the conveying belt 230, thereby realizing the conveying function of the small elevator. The power input transmission wheel 112 drives the first power output transmission wheel 121, the second power output transmission shaft 131, the first ear picking roller 410 and the second ear picking roller 420 to rotate, and the rotation of the first ear picking roller 410 and the second ear picking roller 420 realizes the ear picking function. The first power output transmission wheel 121 transmits power to the small elevator driven inner shaft first transmission wheel 223, the first grass lifting assembly first transmission wheel 311 and the first grass lifting assembly second transmission wheel 312 in turn, the first grass lifting assembly second transmission wheel 312 drives the first grass lifting chain 313 to work, and the second power output transmission shaft 131 transmits power to the second grass lifting assembly first transmission wheel 321 and the second grass lifting assembly second transmission wheel 322 in turn. The second grass lifting assembly second transmission wheel 322 drives the second grass lifting chain 323 to work, and the first grass lifting chain 313 and the second grass lifting chain 323 form a grass lifting gap for facilitating the entry of crops, and the cooperation of the first grass lifting chain 313 and the second grass lifting chain 323 completes the grass lifting work.

[0063] Since the small elevator driven inner shaft 221 is installed in the small elevator driven outer shaft 222 in a nested form, the small elevator driven inner shaft 221 and the small elevator driven outer shaft 222 do not interfere with each other when rotating, the small elevator driving shaft 210 normally operates when the grass lifting chain is stuck and cannot rotate normally, the small elevator driven outer shaft 222 is rotated by the conveying belt 230, and the normal operation of the small elevator 200 is ensured. Since the ear picking box 100 is provided with a safety device, the safety device is prior art, and will not be described in detail here, so the ear picking box 100 will not be damaged, and the small elevator driving shaft 210, the small elevator driven outer shaft 222 and the conveying belt 230 are not affected and can still operate normally, so that the "burning belt" phenomenon can be avoided.

[0064] The power supply device of the utility model can be an engine, and the transmission system described in the utility model is a conventional term in the prior art, and when no specific structure is limited, the structure of the transmission system is not limited.

[0065] In the description of the utility model, it needs to understand that, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, it can not be understood as the limitation of the utility model. In addition, the features limited by "first", "second" can be explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two.

[0066] In the description of the utility model, it needs to be explained that, unless otherwise specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0067] In the description of the utility model, the description of the terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0068] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, the scope of the utility model is defined by the claims and its equivalents.

Claims

1. A small elevator, characterized in that: It includes a small elevator drive shaft (210) and a small elevator driven shaft (220). The small elevator drive shaft (210) is connected to the power supply device through a transmission system. The small elevator driven shaft (220) includes a small elevator driven inner shaft (221) and a small elevator driven outer shaft (222). The small elevator driven outer shaft (222) is sleeved outside the small elevator driven inner shaft (221) and is rotatably connected to the small elevator driven inner shaft (221).

2. A small elevator according to claim 1, characterized in that: It also includes a conveyor belt (230), and the small elevator drive shaft (210) and the small elevator driven outer shaft (222) are connected by the conveyor belt (230).

3. A small elevator according to claim 1, characterized in that: The small elevator drive shaft (210) is provided with a small elevator drive shaft first transmission wheel (211), and the small elevator drive shaft first transmission wheel (211) is connected to the power supply device through the transmission system.

4. A small elevator according to claim 1, characterized in that: The small elevator drive shaft (210) is provided with a second drive wheel (212), which is connected to the auger of the cutting table.

5. A header for a corn harvester, comprising the small elevator as described in any one of claims 1-4, characterized in that: It also includes a picking box (100), a picking assembly (300), and a picking roller. The pair of picking assemblies (300) corresponding to the picking rollers (400) formed by adjacent picking rollers are connected to the picking box (100) via a transmission device.

6. The header of a corn harvester according to claim 5, characterized in that: The picking box (100) includes a power input unit (110), a first power output unit (120), a second power output unit (130), a third power output unit (140), and a fourth power output unit (150).

7. The header of a corn harvester according to claim 5, characterized in that: The driven inner shaft (221) of the small elevator is connected to the first power output part (120) of the ear-picking box (100) and the first ear-picking assembly (310) in the ear-picking assembly (300).

8. The header of a corn harvester according to claim 5, characterized in that: The driven inner shaft (221) of the small lifter is provided with a first drive wheel (223); the first drive wheel (223) of the driven inner shaft of the small lifter is connected to the first power output part (120) of the picking box (100) via a belt or chain.

9. The header of a corn harvester according to claim 5, characterized in that: The driven inner shaft (221) of the small elevator is provided with a second drive wheel (224); the second drive wheel (224) of the driven inner shaft of the small elevator is connected to the first drive wheel (311) of the first reeling assembly (310) via a belt or chain, and the first drive wheel (311) of the first reeling assembly is connected to the second drive wheel (312) of the first reeling assembly.

10. A header for a corn harvester according to claim 5, characterized in that: The second power output unit (130) of the ear-picking box (100) is connected to the first transmission wheel (321) of the second ear-picking assembly (320) via the second power output transmission shaft (131), and the first transmission wheel (321) of the second ear-picking assembly is connected to the second transmission wheel (322) of the second ear-picking assembly.

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