CN220577003U - Rear drive axle stabilizing mechanism of harvester - Google Patents
Rear drive axle stabilizing mechanism of harvester Download PDFInfo
- Publication number
- CN220577003U CN220577003U CN202322282879.0U CN202322282879U CN220577003U CN 220577003 U CN220577003 U CN 220577003U CN 202322282879 U CN202322282879 U CN 202322282879U CN 220577003 U CN220577003 U CN 220577003U
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- China
- Prior art keywords
- rear drive
- axle
- drive axle
- pin shaft
- harvester
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- 230000000087 stabilizing effect Effects 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000005457 optimization Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 3
- 241001124569 Lycaenidae Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
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- Vehicle Body Suspensions (AREA)
Abstract
The utility model discloses a rear drive axle stabilizing mechanism of a harvester, which comprises a supporting beam fixedly connected to a vehicle body of the harvester; the support beam is hinged with the rear drive axle through a middle shaft which is longitudinally arranged; a pair of rear axle pull rods are symmetrically arranged on the left and right sides by taking the axis of the intermediate shaft as a reference; one end of the rear axle pull rod is connected to the rear drive axle, and the other end of the rear axle pull rod is connected to a butterfly pin shaft coaxially arranged with the intermediate shaft; the butterfly pin shaft comprises a pin shaft part and a butterfly seat part; the pair of rear axle pull rods are connected to the connection point of the butterfly seat part and are bilaterally symmetrical with the axis of the pin shaft part as a reference; the pin shaft part is rotatably inserted on the vehicle body. The utility model adds a new connection point between the rear drive axle and the vehicle body, and can not influence the requirement of up-and-down swing of the left end and the right end of the rear drive axle. Therefore, the stability of connection between the rear drive axle and the vehicle body is improved, the power provided by the rear drive axle is conveniently transmitted, the work is reliable, the disassembly and assembly are convenient, and the maintenance cost is low.
Description
Technical Field
The utility model belongs to the technical field of agricultural harvesters, and particularly relates to a rear drive axle stabilizing mechanism of a harvester.
Background
Most of the existing wheat or corn harvesters adopt front axle driving, and the front axle has heavy load. The rear axle of the harvester is less loaded and is typically used for follow-up and steering. The rear axle is hinged with the frame through a middle shaft which is longitudinally arranged, so that the requirements of general bearing and up-and-down swinging of the left end and the right end of the rear axle can be met. However, as harvesting machines are advancing toward higher-end, intelligent, and larger feeds. Considering the complexity and the harshness of the operation environment of the harvester, the four-wheel drive harvester is increasingly applied along with the increase of the mass of the whole harvester. For the application of a rear drive axle of a harvester, the original follow-up axle is generally replaced by a drive axle with a transmission mechanism, and the drive axle is connected with a transmission shaft to transmit power. The problems with such harvester rear drive axles are: firstly, the four-wheel drive harvester is applied to more severe road conditions, the jolt degree of the four-wheel drive harvester is larger than that of a two-wheel drive working environment of a front axle, and the load of the intermediate shaft is high and the fracture risk is high; secondly, the driving force of the rear axle drive is only transmitted to the frame through the intermediate shaft, the stress is concentrated, the intermediate shaft is damaged, and the probability of failure is high.
Disclosure of Invention
In order to overcome the defects in the background art, the utility model provides a stabilizing mechanism for a rear drive axle of a harvester, which aims at the rear drive axle of the harvester, and aims at ensuring the connection strength between the rear axle and a frame, improving the stability, adapting to the large swing angle of the rear axle and designing an auxiliary supporting structure so as to improve the reliability of the harvester under severe working conditions.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a rear drive axle stabilizing mechanism of a harvester comprises a supporting beam, wherein the upper part of the supporting beam is fixedly connected with a vehicle body of the harvester; the lower part of the supporting beam is hinged with the middle upper part of the rear drive axle through a middle shaft which is longitudinally arranged; the method is characterized in that: a pair of rear axle pull rods are symmetrically arranged on the left and right sides by taking the axis of the intermediate shaft as a reference; one end of the rear axle pull rod is connected to the rear drive axle, and the other end of the rear axle pull rod is connected to a butterfly pin shaft coaxially arranged with the intermediate shaft;
the butterfly pin shaft comprises a pin shaft part and a butterfly seat part fixedly arranged at one end of the pin shaft part; the pair of rear axle pull rods are connected to the connection point of the butterfly seat part and are bilaterally symmetrical with the axis of the pin shaft part as a reference;
the pin shaft part is rotatably inserted on the vehicle body.
As a further optimization, the device also comprises a pull rod bracket; the upper part of the pull rod bracket is fixedly connected to the vehicle body, the lower part of the pull rod bracket is provided with a pin shaft hole, and the pin shaft part is rotatably inserted into the pin shaft hole.
As further optimization, a pair of flat plate seats are fixedly arranged on the rear drive axle; one ends of the pair of rear axle pull rods are detachably connected to the pair of flat plate seats respectively, and the connection points of the flat plate seats are bilaterally symmetrical with the axis of the intermediate shaft as a reference.
As further optimization, the rear axle pull rod is in threaded connection with the flat plate seat and is used for being detachable from the flat plate seat.
As a further optimization, the upper part of the pull rod bracket is connected to the vehicle body through a bolt and is used for being detachable.
As further optimization, one end of the rear axle pull rod is in threaded connection with the butterfly seat, and the rear axle pull rod and the butterfly pin shaft are detachable.
As a further optimization, the pull rod support is positioned in front of the rear drive axle based on the advancing direction of the harvester.
As a further optimization, the connection points of the pair of rear axle pull rods connected to the butterfly seat portion are arranged close to the pin shaft portion, the connection points of the pair of rear axle pull rods at the rear drive axle are arranged away from the intermediate shaft, and the connection lines between the pair of rear axle pull rods and the pair of rear axle pull rods at the connection points of the rear drive axle form a triangular shape.
Compared with the prior art, the utility model has the beneficial effects that: the rear drive axle of the device is additionally provided with a new connecting point with the vehicle body, the stress is dispersed, and the requirement of up-and-down swing of the left end and the right end of the rear drive axle can not be influenced. Thereby improved the steadiness of rear drive axle and automobile body connection, also be convenient for transmit the power that the rear drive axle provided, and then play and guarantee rear drive axle installation strength, stabilize the automobile body and in time the effect of righting to, reliable operation, easy dismounting, cost of maintenance is low.
Drawings
FIG. 1 is a schematic structural view of embodiment 1 of the present utility model;
fig. 2 is a schematic view of the mounting structure of the butterfly pin according to embodiment 1 of the present utility model.
In the figure: the rear axle comprises a pull rod bracket 10, a rear axle pull rod 20, a support beam 30, a rear drive axle 40, a rear wheel 50, a butterfly pin shaft 21, a pin shaft portion 211, a butterfly seat 212, an intermediate shaft 41 and a flat plate seat 42.
Detailed Description
The following description of the embodiments of the present utility model will be made more fully hereinafter with reference to the accompanying drawings, in which it is evident that the embodiments thus described are only some, but not all, of the preferred embodiments of the present utility model. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model.
Example 1: please refer to fig. 1-2;
the utility model provides the following technical scheme: a rear drive axle stabilizing mechanism of a harvester, which comprises a supporting beam 30, wherein the upper part of the supporting beam is fixedly connected with a vehicle body of the harvester; the lower part of the supporting beam 30 is hinged with the middle upper part of the rear drive axle 40 through a middle shaft 41 which is longitudinally arranged; the key point is that a pair of rear axle tie rods 20 are symmetrically arranged on the left and right with respect to the axis of the intermediate shaft 41; one end of the rear axle pull rod 20 is connected to the rear drive axle 40, and the other end is connected to a butterfly pin shaft 21 coaxially arranged with the intermediate shaft 41; the butterfly pin shaft 21 comprises a pin shaft part 211 and a butterfly seat part 212 fixedly arranged at one end of the pin shaft part 211; the connection point of the pair of rear axle tie rods 20 to the butterfly seat portion 212 is bilaterally symmetrical with respect to the axis of the pin shaft portion 211; the pin shaft portion 211 is rotatably inserted into the vehicle body.
Therefore, a new connection point is added between the rear drive axle 40 and the vehicle body, and the need of up-and-down swinging of the left and right ends of the rear drive axle 40 can be unaffected. Thereby improving the connection stability of the rear drive axle 40 and the vehicle body and facilitating the transmission of the power provided by the rear drive axle 40.
Wherein, a pair of rear axle tie rods 20 are connected at the connection point of butterfly seat portion 212 and are arranged near pin shaft portion 211, a pair of rear axle tie rods 20 are arranged away from jackshaft 41 at the connection point of rear axle 40, and the connection line between the connection point of rear axle tie rods 20 and a pair of rear axle tie rods 20 at rear axle 40 forms triangle-shaped. The triangle-shaped shape stable in structure, the tie point on the rear-drive bridge 40 of keeping away relatively has dispersed the atress, avoids the atress to concentrate, and the reliability and the life-span of rear-drive bridge 40 are higher. And the butterfly pin shaft 21 is concentrated at the connecting point, so that even if the butterfly pin shaft is damaged by faults, the butterfly pin shaft is low in value and low in replacement and maintenance cost compared with the rear drive axle 40.
Therefore, in order to avoid the high maintenance cost caused by the damage of main components, the pull rod bracket 10 is also included; the upper part of the pull rod bracket 10 is fixedly connected to the vehicle body, the lower part of the pull rod bracket is provided with a pin shaft hole, and the pin shaft part 211 is rotatably inserted in the pin shaft hole. Even if the failure occurs, the pull rod bracket 10 has low value and low maintenance cost.
Also, a pair of flat seats 42 are fixedly arranged on the rear drive axle 40; one ends of the pair of rear axle tie rods 20 are detachably connected to a pair of flat plate seats 42, respectively, and are bilaterally symmetrical with respect to the axis of the intermediate shaft 41 at the connection point of the flat plate seats 42. The flat plate seat 42 protects the main body of the rear drive axle 40, and reduces maintenance cost.
The rear axle tie rod 20 is screwed with the flat plate seat 42 for easy disassembly and maintenance, and the rear axle tie rod 20 and the flat plate seat 42 are detachable. The upper part of the pull rod bracket 10 is connected to the vehicle body through a bolt, and is used for the pull rod bracket 10 to be detachable. One end of the rear axle pull rod 20 is screwed on the butterfly seat 212, and the rear axle pull rod 20 and the butterfly pin shaft 21 are detachable. The screw connection is to connect various components and parts tightly by using threaded connectors (such as screws, bolts and nuts) and various gaskets, and is called screw connection for short. The connecting mode has the advantages of simple structure, convenient debugging, convenient assembly and disassembly and reliable work.
Illustratively, the drawbar bracket 10 is positioned in front of the rear drive axle 40 with respect to the forward direction of the harvester. The whole car has compact structure and is convenient to arrange.
In use, a pair of the rear axle tie rods 20 are connected between the rear drive axle 40 and the tie rod bracket 10, with the tie rod bracket 10 being fixedly attached to the vehicle body.
The advantage of this embodiment is that the rear drive axle 40 and the vehicle body have new connection points, are stressed in a dispersed manner, and can not affect the requirement of the left and right ends of the rear drive axle 40 to swing up and down. Thereby improved the steadiness that rear drive axle 40 and automobile body are connected, also be convenient for transmit the power that rear drive axle 40 provided, and then play the effect of guaranteeing rear drive axle installation intensity, stable automobile body and in time righting to reliable operation, easy dismounting, cost of maintenance is low.
The utility model has not been described in detail in the prior art; it should be understood by those skilled in the art that any combination of the features of the foregoing embodiments may be adopted, and that all possible combinations of the features of the foregoing embodiments are not described for brevity of description, however, such combinations are not to be considered as a contradiction between the features. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. A rear drive axle stabilizing mechanism of a harvester, comprising a supporting beam (30) fixedly connected to a vehicle body of the harvester; the lower part of the supporting beam (30) is hinged with the middle upper part of the rear drive axle (40) through a middle shaft (41) which is longitudinally arranged; the method is characterized in that: a pair of rear axle tie rods (20) are symmetrically arranged on the left and right with respect to the axis of the intermediate shaft (41); one end of the rear axle pull rod (20) is connected to the rear drive axle (40), and the other end of the rear axle pull rod is connected to a butterfly pin shaft (21) coaxially arranged with the intermediate shaft (41);
the butterfly pin shaft (21) comprises a pin shaft part (211) and a butterfly seat part (212) fixedly arranged at one end of the pin shaft part (211); the connection points of the pair of rear axle tie rods (20) connected to the butterfly seat part (212) are bilaterally symmetrical with the axis of the pin shaft part (211) as a reference;
the pin shaft part (211) is rotatably inserted on the vehicle body.
2. The harvester rear drive axle stabilizing mechanism of claim 1, wherein: also comprises a pull rod bracket (10); the upper part of the pull rod bracket (10) is fixedly connected to the vehicle body, the lower part of the pull rod bracket is provided with a pin shaft hole, and the pin shaft part (211) is rotatably inserted into the pin shaft hole.
3. The harvester rear drive axle stabilizing mechanism of claim 2, wherein: a pair of flat plate seats (42) are fixedly arranged on the rear drive axle (40); one ends of the pair of rear axle tie rods (20) are detachably connected to a pair of flat plate seats (42) respectively, and the connection points of the flat plate seats (42) are bilaterally symmetrical with the axis of the intermediate shaft (41) as a reference.
4. A harvester rear drive axle stabilizing mechanism according to claim 3, wherein: the rear axle pull rod (20) is in threaded connection with the flat plate seat (42), and is used for enabling the rear axle pull rod (20) to be detachable from the flat plate seat (42).
5. The harvester rear drive axle stabilizing mechanism as in claim 4 wherein: the upper part of the pull rod bracket (10) is connected to the vehicle body through a bolt, and the pull rod bracket (10) is detachable.
6. The harvester-rear drive axle stabilizing mechanism of claim 5, wherein: one end of the rear axle pull rod (20) is in threaded connection with the butterfly seat (212) and is used for the rear axle pull rod (20) to be detachable with the butterfly pin shaft (21).
7. The harvester rear drive axle stabilizing mechanism as in claim 6 wherein: the pull rod support (10) is positioned in front of the rear drive axle (40) based on the advancing direction of the harvester.
8. The harvester-rear drive axle stabilizing mechanism of claim 1 or 7, wherein: the connection points of the pair of rear axle pull rods (20) connected with the butterfly seat parts (212) are close to the pin shaft parts (211), the connection points of the pair of rear axle pull rods (20) at the rear drive axles (40) are far away from the intermediate shaft (41), and the connection lines of the pair of rear axle pull rods (20) and the pair of rear axle pull rods (20) between the connection points of the rear drive axles (40) form a triangular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322282879.0U CN220577003U (en) | 2023-08-24 | 2023-08-24 | Rear drive axle stabilizing mechanism of harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322282879.0U CN220577003U (en) | 2023-08-24 | 2023-08-24 | Rear drive axle stabilizing mechanism of harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220577003U true CN220577003U (en) | 2024-03-12 |
Family
ID=90115244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322282879.0U Active CN220577003U (en) | 2023-08-24 | 2023-08-24 | Rear drive axle stabilizing mechanism of harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220577003U (en) |
-
2023
- 2023-08-24 CN CN202322282879.0U patent/CN220577003U/en active Active
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