CN215285041U - Triangular speed-increasing chassis and working vehicle - Google Patents
Triangular speed-increasing chassis and working vehicle Download PDFInfo
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- CN215285041U CN215285041U CN202120212131.1U CN202120212131U CN215285041U CN 215285041 U CN215285041 U CN 215285041U CN 202120212131 U CN202120212131 U CN 202120212131U CN 215285041 U CN215285041 U CN 215285041U
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Abstract
The utility model discloses a triangle acceleration rate chassis, include: the crawler belt comprises a crawler belt, a crawler belt support, a driving wheel, a driving disc and a driven disc, wherein the driving wheel, the driving disc and the driven disc are arranged on the inner side of the crawler belt; the driving disk is driven by an external driving mechanism; the driven disc is meshed with the driving disc and is used for driving the driving wheel to rotate; the number of teeth Z1 of the driving disk is greater than the number of teeth Z2 of the driven disk, so that the rotational speed n2 of the driven disk is greater than the rotational speed n1 of the driving disk, thereby raising the rotational speed of the driving wheel. The working vehicle comprises a steering device with steering wheels, a crawler device with a triangular speed-increasing chassis and a connecting device for connecting the steering device and the crawler device. This operation vehicle's steering device has the wheel that turns to, can guarantee to turn to the device and still adopt wheeled to make turning radius unchangeable, and as the crawler attachment of rear wheel, can satisfy the tractor and walk at complicated topography such as mire, pothole, improve work efficiency greatly.
Description
Technical Field
The utility model relates to a triangle acceleration rate chassis to and contain the operation vehicle on this triangle acceleration rate chassis.
Background
The front wheel and the rear wheel are both wheel-type tractors, so that the tractor is easy to slip in muddy or swamp terrain during field operation, and the tires are easy to sink into pits when the tractor encounters uneven terrain, so that the wheel-type tractors are not suitable for complex field terrain. Therefore, the two-wheel tractor is improved, and the tractor with the front and the rear wheels which are all triangular crawler wheels is adopted. However, although the tractor can solve the problem of being suitable for complex terrains compared with a wheeled tractor, the tractor with four wheels in a triangular crawler type still has many problems, for example, the turning radius of the front triangular crawler wheel is too large, so that the driver is difficult to operate, and fatigue is easy to occur when long-time operation is performed; the radius of the modified driving wheel is reduced, so that the operation speed is reduced, and the working efficiency is greatly influenced. In addition, after the front and rear four wheels are all modified into the triangular crawler type, the weight of the tractor body is inevitably increased, so that the load of the tractor is overlarge, the oil consumption is increased, and the oil consumption cost is increased.
In addition, the chain transmission is adopted in the triangular crawler type, but the chain transmission is unstable and easy to loosen, so that the durability is insufficient, and the service life is short.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect among the prior art, the embodiment of the utility model provides a triangle acceleration rate chassis is provided, include:
a crawler belt;
a track support disposed inside the track;
the driving wheel is arranged on the inner side of the crawler belt and drives the crawler belt to roll;
a drive disk driven by an external drive mechanism;
the driven disc is meshed with the driving disc and is used for driving the driving wheel to rotate;
the driving disc and the driven disc are arranged on the crawler support, the number of teeth Z1 of the driving disc is larger than the number of teeth Z2 of the driven disc, so that the rotating speed n2 of the driven disc is larger than the rotating speed n1 of the driving disc, and the rotating speed of the driving wheel is increased.
Furthermore, the device also comprises an intermediate gear, wherein the intermediate gear is arranged between the driving disc and the driven disc and is respectively meshed with the driving disc and the driven disc.
Further, the crawler belt type crawler belt device further comprises a guide wheel, wherein the guide wheel is arranged on the inner side of the crawler belt and forms three vertexes of a triangle with the driving wheel, and the guide wheel rolls in contact with the crawler belt.
Further, the crawler belt device further comprises at least one thrust wheel, wherein the thrust wheel is arranged on the inner side of the crawler belt and located between the two guide wheels, and the thrust wheel rolls in contact with the crawler belt.
Further, the crawler support comprises a lower support and an upper support fixedly arranged above the lower support, the upper support is fixedly connected with a gearbox body, and the driving disc and the driven disc are fixedly arranged on the gearbox body.
Further, the lower support is configured as a long cross rod, the two guide wheels are respectively and fixedly arranged at two ends of the lower support, and the supporting wheel is fixedly arranged on the lower support and positioned between the two guide wheels.
Furthermore, the upper bracket is provided with two beams which are parallel to each other, a mounting seat is arranged between the two beams, the gearbox body is fixedly arranged on the mounting seat, the beams are perpendicular to the lower bracket, and the gearbox body is perpendicular to the mounting seat.
Further, the intermediate gear is fixedly arranged in the gear box body, and the driven disc, the intermediate gear and the driving disc are sequentially arranged from top to bottom.
Further, the hydraulic tensioner is arranged on the upper bracket.
Further, the utility model discloses still include an operation vehicle, include:
a steering device having steered wheels;
the crawler device is the triangular speed-increasing chassis;
a connecting device connecting the steering device and the crawler device.
The utility model has the advantages as follows:
1. the triangular speed-increasing chassis is in meshing transmission with a driven disk through a driving disk, and the number of teeth Z1 of the driving disk is greater than the number of teeth Z2 of the driven disk, so that the rotating speed n2 of the driven disk is greater than the rotating speed n1 of the driving disk, and the rotating speed of a driving wheel is increased;
2. the track support in the triangular speed-increasing chassis is composed of three parts, so that the triangular speed-increasing chassis is convenient to maintain and replace;
3. the steering device of the working vehicle is provided with the steering wheels, can ensure that the steering device still adopts a wheel type to ensure that the turning radius is unchanged, and can meet the requirement that a tractor travels on complicated terrains such as mud and potholes as a crawler device of the rear wheels, thereby greatly improving the working efficiency;
4. the track device of the working vehicle adopts the triangular speed-increasing chassis, so that the rotating speed of the track device is consistent with that of the steering wheels.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a triangular speed increasing chassis according to an embodiment of the present invention;
FIG. 2 is a schematic view of another view angle of the triangular acceleration chassis according to the embodiment of the present invention;
FIG. 3 is a rear view of the triangular speed increasing chassis according to the embodiment of the present invention;
FIG. 4 is a schematic structural view of the triangular speed increasing chassis in the crawler area of the embodiment of the present invention;
fig. 5a is a schematic view of a lower bracket in an embodiment of the invention;
fig. 5b is a schematic view of an upper bracket in an embodiment of the present invention;
fig. 5c is a schematic view of a gear housing according to an embodiment of the present invention.
Reference numerals of the above figures: a triangular speed increasing chassis-100; a crawler belt-1; a driving wheel-2; a driving disk-3; a driven disc-4; an intermediate gear-5; a guide wheel-6; a thrust wheel-7; a track support-8; a lower bracket-81; an upper bracket-82; beam-821; a mounting seat-822; a gear housing-83.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.
To achieve the above object, the present invention provides a triangular speed increasing chassis 100, as shown in fig. 1-3. This triangle acceleration rate chassis 100 includes:
a crawler belt 1;
a track frame 8, the track frame 8 being disposed inside the track 1;
the driving wheel 2 is arranged on the inner side of the crawler 1, and the driving wheel 2 drives the crawler 1 to roll;
a driving disk 3, the driving disk 3 being driven by an external driving mechanism;
a driven disc 4, wherein the driven disc 4 is meshed with the driving disc 3, and the driven disc 4 is used for driving the driving wheel 2 to rotate;
the driving disk 3 and the driven disk 4 are arranged on the track frame 8, the number of teeth Z1 of the driving disk 3 is greater than the number of teeth Z2 of the driven disk 4, so that the rotation speed n2 of the driven disk 4 is greater than the rotation speed n1 of the driving disk 3, thereby raising the rotation speed of the driving wheel 2.
This triangle acceleration rate chassis 100 adopts the gear engagement transmission, compares in the chain power transmission, and gear engagement's transmission performance is more stable, and the durability is better. In addition, since the number of teeth Z1 of the driving disk 3 of the triangular step-up base 100 is greater than the number of teeth Z2 of the driven disk 4, the number of revolutions n2 of the driven disk 4 is greater than the number of revolutions n1 of the driving disk 3. Since the driven disk 4 drives the driving wheel 2 to rotate, the rotation speed of the driving wheel 2 is the same as that of the driven disk 4, and therefore, the rotation speed of the driving wheel 2 can be increased.
In this embodiment, the triangular speed increasing chassis 100 further includes an intermediate gear 5, and the intermediate gear 5 is disposed between the driving disk 3 and the driven disk 4 and is meshed with the driving disk 3 and the driven disk 4, respectively. After the driving disc 3 is in meshing transmission with the intermediate gear 5, the intermediate gear 5 is meshed with the driven disc 4 to drive the driven disc 4 to rotate, so that the rotating direction of the driven disc 4 is the same as that of the driving disc 3.
The triangular speed-increasing chassis 100 further comprises two guide wheels 6, the two guide wheels 6 are arranged on the inner side of the crawler 1 and form three vertexes of a triangle with the driving wheel 2, and the guide wheels 6 and the crawler 1 can roll relatively.
The triangular speed-increasing chassis 100 further comprises at least one thrust wheel 7, the thrust wheel 7 is arranged on the inner side of the crawler 1 and located between the two guide wheels 6, and the thrust wheel 7 and the crawler 1 can roll relatively.
In a preferred embodiment, the track roller 7 has three track rollers 7, the track rollers 7 are aligned with the guide rollers 6, and the guide rollers 6 and the track rollers 7 support the track 1 for walking. The driving wheel 2 and the guide wheel 6 form an isosceles triangle, the vertex angle of the driving wheel 2 is 60-100 degrees, and the guide wheels 6 are respectively arranged in the base angles of the isosceles triangle.
Referring to fig. 4, the track frame 8 includes a lower frame 81 and an upper frame 82 fixedly disposed above the lower frame 81, the upper frame 82 is fixedly connected with a gear housing 83, and the driving plate 3, the driven plate 4 and the intermediate gear 5 are sequentially and fixedly disposed in the gear housing 83 from top to bottom.
As shown in fig. 5a, the lower bracket 81 is configured as a long cross bar, the guide wheels 6 are fixedly disposed at both ends of the lower bracket 81, and the supporting wheels 7 are fixedly disposed at the lower bracket 81 and between the two guide wheels 6.
As shown in fig. 5b, the upper bracket 82 has two beams 821 parallel to each other, a mounting seat 822 is provided between the two beams 821, the gear box 83 is fixedly disposed on the mounting seat 822, the beams 821 are perpendicular to the lower bracket 81, and the gear box 83 is perpendicular to the mounting seat 822.
In order to reasonably utilize the space in the crawler 1, the driving wheel 2 and the driven disc 4 are on the same horizontal line, and the heights of the driven disc 4, the intermediate gear 5, the driving disc 3, the guide wheel 6 or the thrust wheel 7 in the vertical direction are sequentially reduced.
The crawler support 8 is formed by the upper support 82, the lower support 81 and the gearbox body 83, the crawler support 8 can be disassembled, if a certain part is damaged, the whole part is not required to be replaced, only the corresponding part needs to be maintained and replaced, and maintenance and replacement are facilitated. In addition, the integral track support 8 is dispersed into a plurality of parts, and the production and the manufacture are convenient.
The triangular speed increasing chassis 100 further comprises a hydraulic tensioner arranged on the upper bracket 82. The hydraulic tensioner is used to tension the track 1 maintaining the pressure of the track 1. The hydraulic tensioner is urged against the track 1. The hydraulic tensioner can ensure that the track 1 always keeps the set pressure, and avoid the corresponding fault caused by the looseness of the track 1 due to long-term operation.
In addition, in the embodiment, the track 1, the driving wheel 2, the driving disc 3 and the driven disc 4 can be replaced by adopting different sizes and specifications so as to meet the requirements of terrains in different regions and enhance the universality of the triangular speed-increasing chassis 100.
The present invention also includes a work vehicle (not shown). The work vehicle includes:
a steering device having steered wheels;
the crawler 1 device is the triangular speed-increasing chassis 100;
and the connecting device is used for connecting the steering device and the crawler 1 device.
The steering device of the work vehicle serves as a front wheel, and the crawler 1 device serves as a rear wheel. Therefore, the front wheels of the working vehicle still adopt wheels, and the rear wheels are in a triangular crawler belt 1 type, so that the technical problem that the working vehicle with the front wheels and the rear wheels both in wheels is not suitable for complex terrains can be solved, and the problems that the working vehicle with the front wheels and the rear wheels both in triangular crawler belt 1 type is difficult to operate and easy to fatigue drivers due to overlarge front wheel turning radius can be solved.
However, since the front and rear wheels are wheels of different forms, the rotation speed of the rear wheel is lower than that of the front wheel. The rear wheels of the working vehicle adopt a triangular speed-increasing chassis 100 capable of increasing speed, and the rotating speed of a crawler 1 device serving as the rear wheels can be increased, so that the rotating speeds of the rear wheels and the front wheels are consistent.
In addition, in the wheel-track type matching, the rear wheels are only required to be replaced by the triangular track 1 type, and the front wheels and the rear wheels are not required to be refitted, the weight of the front wheels and the rear wheels accounts for 30% of the weight of the whole structure of the working vehicle, so that the weight of the front wheels and the rear wheels does not greatly increase after the rear wheels are refitted, and the fuel consumption is not greatly influenced.
In the embodiment, the crawler 1, the driving wheel 2, the driving disc 3 and the driven disc 4 can adopt different sizes and specifications according to different requirements of the working vehicle so as to meet the requirements of terrains in different regions.
In a particular embodiment, the work vehicle may be a tractor.
The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (10)
1. A triangular speed-increasing chassis is characterized by comprising:
a crawler belt;
a track support disposed inside the track;
the driving wheel is arranged on the inner side of the crawler belt and drives the crawler belt to roll;
a drive disk driven by an external drive mechanism;
the driven disc is meshed with the driving disc and is used for driving the driving wheel to rotate;
the driving disc and the driven disc are arranged on the crawler support, the number of teeth Z1 of the driving disc is larger than the number of teeth Z2 of the driven disc, so that the rotating speed n2 of the driven disc is larger than the rotating speed n1 of the driving disc, and the rotating speed of the driving wheel is increased.
2. The triangular speed increasing chassis according to claim 1, further comprising an intermediate gear, wherein the intermediate gear is disposed between the driving disk and the driven disk and is engaged with the driving disk and the driven disk respectively.
3. The triangular speed increasing chassis according to claim 2, further comprising guide wheels disposed inside the crawler, the guide wheels rolling in contact with the crawler.
4. The triangular speed increasing chassis according to claim 3, further comprising at least one thrust wheel disposed inside the track, the thrust wheel rolling in contact with the track.
5. The triangular speed increasing chassis according to claim 4, wherein the track support comprises a lower support and an upper support fixedly arranged above the lower support, a gear box body is fixedly connected with the upper support, and the driving disc and the driven disc are fixedly arranged on the gear box body.
6. The triangular speed increasing chassis according to claim 5, wherein the lower bracket is configured as a long cross bar, the guide wheels are provided with two ends fixedly arranged on the lower bracket respectively, and the thrust wheel is fixedly arranged on the lower bracket and positioned between the two guide wheels.
7. The triangular speed increasing chassis according to claim 6, wherein the upper bracket is provided with two beams parallel to each other, a mounting seat is arranged between the two beams, the gear box body is fixedly arranged on the mounting seat, the beams are perpendicular to the lower bracket, and the gear box body is perpendicular to the mounting seat.
8. The triangular speed increasing chassis according to claim 7, wherein the intermediate gear is fixedly arranged on the gear box body, and the driven disc, the intermediate gear and the driving disc are sequentially arranged from top to bottom.
9. The triangular speed increasing chassis according to claim 8, further comprising a hydraulic tensioner disposed on the upper bracket.
10. A work vehicle, characterized by comprising:
a steering device having steered wheels;
the crawler device is the triangular speed-increasing chassis as claimed in any one of claims 1-9;
a connecting device connecting the steering device and the crawler device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120212131.1U CN215285041U (en) | 2021-01-26 | 2021-01-26 | Triangular speed-increasing chassis and working vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120212131.1U CN215285041U (en) | 2021-01-26 | 2021-01-26 | Triangular speed-increasing chassis and working vehicle |
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| Publication Number | Publication Date |
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| CN215285041U true CN215285041U (en) | 2021-12-24 |
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| CN202120212131.1U Active CN215285041U (en) | 2021-01-26 | 2021-01-26 | Triangular speed-increasing chassis and working vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112706846A (en) * | 2021-01-26 | 2021-04-27 | 嘉兴泰特橡胶有限公司 | Triangular speed-increasing chassis and working vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112706846A (en) * | 2021-01-26 | 2021-04-27 | 嘉兴泰特橡胶有限公司 | Triangular speed-increasing chassis and working vehicle |
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Effective date of registration: 20220406 Address after: 154000 No. 2, building K, Shengli community, middle section of Anqing Road, Sheng'an community, Qianjin District, Jiamusi City, Heilongjiang Province Patentee after: Jiamusi Jiti Agricultural Machinery Manufacturing Co.,Ltd. Address before: No. 20, Tianshan Road, Jiashan Economic Development Zone, Jiaxing City, Zhejiang Province, 314100 Patentee before: JIAXING TAITE RUBBER Co.,Ltd. |