CN220053986U

CN220053986U - Agricultural frame structure with adjustable wheel track

Info

Publication number: CN220053986U
Application number: CN202321168864.5U
Authority: CN
Inventors: 黄富宇; 庞新华; 朱鹏锦
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2023-11-21
Anticipated expiration: 2033-05-16

Abstract

The utility model discloses an agricultural frame structure with an adjustable wheel track, and belongs to the technical field of agricultural frame structures. The agricultural frame structure with the adjustable wheel track comprises a walking assembly; the walking assembly comprises a crawler belt, a driving wheel, a guiding wheel, a thrust wheel and a supporting plate; the driving wheel, the guiding wheel and the thrust wheel are all movably arranged on the supporting plate; the support plate is positioned in the crawler belt; the outlines of the driving wheel, the guiding wheel and the thrust wheel are all contacted with the inner wall of the crawler belt; the connecting assembly comprises a frame body and a telescopic connecting rod; the frame body is positioned between the two walking components; the frame body and the two walking components are arranged at intervals in parallel; the telescopic connecting rods are arranged on the frame body; the movable end of the telescopic connecting rod faces the supporting plate and is connected with the supporting plate; the driving device is arranged on the frame body; the movable end of the driving device faces to the supporting plate and is connected with the supporting plate. The utility model has strong flexibility, and can adjust the distance between the two walking components and the frame so as to adapt to complex road conditions.

Description

Agricultural frame structure with adjustable wheel track

Technical Field

The utility model belongs to the technical field of agricultural frames, and particularly relates to an agricultural frame structure with an adjustable wheel track.

Background

With the continuous progress of technology, agricultural machinery in China is continuously developed, various agricultural machinery vehicles are endless, planting machines, harvesters and pesticide spraying machines for different plants are generated, and agricultural frames are used as the basis of the agricultural machinery vehicles, and the types of the agricultural machinery vehicles are various. The existing agricultural machinery vehicle mainly uses high horsepower wheels or tracks to walk, wherein the tracks have large landing area, small landing pressure, strong ground grabbing force and strong obstacle crossing capability, and can move under severe and complex environments, so that the existing agricultural machinery vehicle is adopted by most agricultural machinery vehicles.

However, the existing crawler-type agricultural frame is relatively fixed in structure, the distance between the two crawlers and the frame cannot be adjusted, and the crawler-type agricultural frame cannot walk on roads which are complicated and difficult, such as mountain lands, terraces, partially muddy and partially dry roads and the like. In addition, when the agricultural machinery vehicle walks forward, inclination or side tilting easily occurs when the agricultural machinery vehicle encounters a road with uneven height, and even the condition of turning over the vehicle.

Disclosure of Invention

The utility model provides an agricultural frame structure with an adjustable wheel track, and aims to solve the problems in the background technology.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an agricultural vehicle frame structure with adjustable wheel track comprises a walking assembly; the walking assembly comprises a crawler belt, a driving wheel, a guiding wheel, a supporting wheel and a supporting plate; the driving wheel, the guide wheel and the thrust wheel are movably arranged on the supporting plate; the supporting plate is positioned in the crawler belt; the outlines of the driving wheel, the guide wheel and the thrust wheel are all in contact with the inner wall of the crawler belt; the connecting assembly comprises a frame body and a telescopic connecting rod; the frame body is positioned between the two walking components; the frame body and the two walking components are arranged at intervals in parallel; the telescopic connecting rods are arranged on the frame body; the movable end of the telescopic connecting rod faces the supporting plate and is connected with the supporting plate; the driving device is arranged on the frame body; the movable end of the driving device faces the supporting plate and is connected with the supporting plate.

As a further improvement of the technical solution, the driving device comprises a first hydraulic cylinder; at least two first hydraulic cylinders are arranged on the frame body side by side; the movable end of the first hydraulic cylinder faces one supporting plate and is connected with the supporting plate.

As a further improvement of the technical solution, the driving device comprises a second hydraulic cylinder; the at least two second hydraulic cylinders are arranged at one end of the frame body, which is far away from the first hydraulic cylinder, in parallel; the movable end of the second hydraulic cylinder faces away from the supporting plate of the first hydraulic cylinder and is connected with the supporting plate.

As a further improvement of the technical scheme, the telescopic connecting rod comprises a first rod body and a second rod body; the first rod bodies are respectively arranged at two ends of the frame body, which are close to the supporting plate; the first rod body faces the supporting plate; a notch is formed in one end, close to the supporting plate, of the first rod body; one end of the second rod body is inserted into the notch and is in sliding connection with the first rod body, and the other end of the second rod body is connected with the supporting plate.

As a further improvement of the technical scheme, the notch is a spline groove; one end of the second rod body inserted into the notch is of a spline structure corresponding to the notch.

As a further improvement of the technical scheme, the agricultural frame structure with the adjustable wheel track also comprises an anti-falling component; the anti-falling assembly comprises a connecting rod and a travelling wheel; one end of the connecting rod is connected with one end of the supporting plate, which is far away from the frame body, and the other end of the connecting rod is movably connected with the travelling wheel.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model has strong flexibility, and can adjust the distance between the two walking components and the frame so as to adapt to complex road conditions; when the crawler belt type vehicle is used, the whole vehicle frame is lifted, the crawler belt is separated from the ground, the driving device is started, the movable end of the driving device starts to stretch or shrink, the supporting plate is driven to stretch or shrink, the movable end of the telescopic connecting rod stretches or shrinks with the movable end of the driving device, the telescopic connecting rod supports the vehicle frame, the gravity born by the driving device is relieved, the crawler belt, the driving wheel, the guiding wheel and the supporting wheel stretch or shrink along with the supporting plate, the distance between the two traveling assemblies and the vehicle frame is enlarged or reduced, the distance between the two traveling assemblies and the vehicle frame is adjusted according to the specific condition of a traveling road, the flexibility is enhanced, road conditions are adapted, and the crawler belt is convenient to travel on the complex road.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an agricultural frame structure with adjustable wheel track;

FIG. 2 is a schematic diagram of a second embodiment of the present utility model;

FIG. 3 is a schematic diagram III of the structure provided by the present utility model;

fig. 4 is a schematic structural view of the telescopic connecting rod provided by the utility model;

FIG. 5 is a schematic diagram of a fourth embodiment of the present utility model;

FIG. 6 is a schematic diagram of a fifth embodiment of the present utility model;

reference numerals: the device comprises a 1-walking assembly, a 11-crawler belt, a 12-driving wheel, a 13-guiding wheel, a 14-thrust wheel, a 15-supporting plate, a 2-connecting assembly, a 21-frame body, a 22-telescopic connecting rod, a 221-first rod body, a 222-second rod body, a 223-notch, a 3-driving device, a 31-first hydraulic cylinder, a 32-second hydraulic cylinder, a 4-fall preventing assembly, a 41-connecting rod and a 42-walking wheel.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present utility model fall within the protection scope of the present utility model. Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs.

The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. Also, unless the context clearly indicates otherwise, singular forms "a," "an," or "the" and similar terms do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "comprises," "comprising," or the like are intended to cover a feature, integer, step, operation, element, and/or component recited as being present in the element or article that "comprises" or "comprising" does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. "up", "down", "left", "right" and the like are used only to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed accordingly.

Embodiment one:

as shown in fig. 1, an agricultural vehicle frame structure with adjustable wheel track comprises a walking assembly 1; the walking assembly 1 comprises a crawler belt 11, a driving wheel 12, a guiding wheel 13, a thrust wheel 14 and a supporting plate 15; the driving wheel 12, the guiding wheel 13 and the thrust wheel 14 are all movably arranged on the supporting plate 15; the support plate 15 is located inside the crawler belt 11; the profiles of the driving wheel 12, the guiding wheel 13 and the thrust wheel 14 are all in contact with the inner wall of the crawler belt 11; the connecting assembly 2, the connecting assembly 2 includes a frame 21 and a telescopic connecting rod 22; the frame body 21 is positioned between the two walking components 1; the frame body 21 and the two walking components 1 are arranged at intervals in parallel, and the support plates 15 of the two walking components 1 face each other; the telescopic connecting rods 22 are arranged on two sides of the frame body 21 at intervals in parallel, namely the telescopic connecting rods 22 are positioned on two ends of the frame body 21 close to the supporting plate 15; the fixed end of the telescopic connecting rod 22 is fixed on the frame body 21 through welding, the movable end of the telescopic connecting rod 22 faces towards the adjacent supporting plate 15 and is fixedly connected with the adjacent supporting plate 15 through welding, and preferably, the movable end of the telescopic connecting rod 22 is perpendicular to the supporting plate 15; a driving device 3, wherein the driving device 3 is arranged on the frame body 21; the number of the driving devices 3 is 1, 2, 3, 4 and the like, the driving devices 3 are used for adjusting the distance between the telescopic two walking components and the frame, the driving devices 3 can be unidirectional hydraulic cylinders, bidirectional hydraulic cylinders and air cylinders, when the agricultural vehicle is of a small structure, the air cylinders can be used as driving devices when the overall weight of the agricultural vehicle is lighter, and the hydraulic cylinders can be used for driving the large, medium and small agricultural vehicle structure; the driving device 3 is connected with the control part of the agricultural vehicle, the movable end of the driving device 3 faces the supporting plate 15 and is connected with the supporting plate 15, and the orientation of the driving device 3 is consistent with the orientation of the telescopic connecting rod 22. In addition, it should be noted that the walking assembly is a crawler walking structure, belongs to the prior art, and the structure, the connection mode and the driving transmission structure are all conventional structures, which are not improvements of the present utility model, and will not be described in detail herein.

The working mode is as follows:

when the crawler belt type vehicle is used, the whole vehicle frame is lifted (a lifting device such as a jack can be adopted) so that the crawler belt 11 is separated from the ground, then the driving device 3 is started, the movable end of the driving device 3 starts to extend or retract to drive the supporting plate 15 to extend or retract, the movable end of the telescopic connecting rod 22 extends or contracts with the movable end of the driving device 3, the telescopic connecting rod 22 supports the vehicle frame 21 to lighten the gravity born by the driving device 3, the crawler belt 11, the driving wheel 12, the guiding wheel 13 and the supporting wheel 14 extend or contract along with the supporting plate 15, the distance between the two traveling assemblies 1 and the vehicle frame 21 is enlarged or reduced, the distance between the two traveling assemblies 1 and the vehicle frame 21 is adjusted according to the specific condition of a traveling road, the flexibility is enhanced so as to adapt to road conditions, and the crawler belt 11 is convenient to travel on the road.

As shown in fig. 4, the telescopic link 22 preferably includes a first rod 221 and a second rod 222; the first rod bodies 221 are fixed to both ends of the frame body 21 near the support plate 15 by welding, respectively; the first rod 221 faces the support plate 15; the end of the first rod 221 near the supporting plate 15 is provided with a notch 223, and the notch 223 is in a circular, rectangular or polygonal structure and other structures; one end of the second rod body 222 is inserted into the notch 223 corresponding to the shape of the notch 223, the outer wall of one end of the second rod body 222 inserted into the notch 223 is attached to the inner wall of the notch 223, and the second rod body 222 can slide along the first rod body 221, so that the sliding connection between the first rod body 221 and the second rod body 222 is realized, and the other end of the second rod body 222 is fixedly connected with the supporting plate 15 through welding; when the movable end of the driving device 3 is extended or contracted, the second rod 222 slides in the notch 223 along with the movement direction of the driving device 3.

As shown in FIG. 4, preferably, the notch 223 is a spline groove; the second rod 222 is inserted into one end of the notch 223 corresponding to the notch 223 and has a spline structure shape; the spline grooves restrict the second rod 222 from being offset, enhancing sliding guide of the first rod 221 and the second rod 222.

Embodiment two:

as shown in fig. 2 and 3, the difference from the first embodiment is that: a structural form of the drive 3 is given; the drive means 3 comprises a first hydraulic cylinder 31; at least two first hydraulic cylinders 31 are fixedly arranged at one end of the frame body 21 side by side; the movable end of the first hydraulic cylinder 31 faces towards and is fixedly connected with a supporting plate 15; when the distance between the two traveling assemblies 1 needs to be adjusted, the first hydraulic cylinder 31 is started, the movable end of the first hydraulic cylinder 31 starts to extend or shrink, the first hydraulic cylinder 31 drives the supporting plate 15 to start to move, the first hydraulic cylinder 31 drives the connected traveling assemblies 1 to move, and the distance between the two traveling assemblies 1 is enlarged or reduced, so that complex and difficult road conditions can be met.

As shown in fig. 2, 5 and 6, the driving device 3 preferably comprises a second hydraulic cylinder 32; at least two second hydraulic cylinders 32 are arranged side by side at one end of the frame body 21 far away from the first hydraulic cylinder 31, and the positions of the second hydraulic cylinders 32 correspond to the first hydraulic cylinder 31 and are on the same straight line with the first hydraulic cylinder 31; the movable end of the second hydraulic cylinder 32 faces the support plate 15 far from the first hydraulic cylinder 31 and is connected with the same; when the distance between the two traveling assemblies 1 needs to be adjusted, the first hydraulic cylinder 31 or the second hydraulic cylinder 32 is started, the movable end of the first hydraulic cylinder 31 or the second hydraulic cylinder 32 starts to stretch or shrink, the first hydraulic cylinder 31 or the second hydraulic cylinder 32 drives the supporting plate 15 to start to move, the first hydraulic cylinder 31 or the second hydraulic cylinder 32 drives the connected traveling assemblies 1 to move, the distance between the two traveling assemblies 1 is enlarged or reduced, the first hydraulic cylinder 31 or the second hydraulic cylinder 32 can be adjusted according to the specific condition of the road condition, and the flexibility is enhanced so as to cope with the complex and difficult road condition. In addition, it should be noted that the specific types of the first hydraulic cylinder and the second hydraulic cylinder are not improvements of the present utility model, and will not be described herein.

Embodiment III:

as shown in fig. 5 and 6, the difference from the first embodiment is that: an anti-falling component 4 is added; the fall prevention assembly 4 includes a connection rod 41 and a traveling wheel 42; one end of connecting rod 41 and backup pad 15 keep away from the one end fixed connection of frame 21, better, connecting rod 41 is connected with the middle part of backup pad 15, wherein connecting rod 41 is not with thrust wheel 14 contact, its other end and walking wheel 42 swing joint, so that support body 21 is located between the fall-proof subassembly 4, walking wheel 42's bottom surface is higher than the bottom surface of track 11, when the road is level, walking wheel 42 is overhead state, do not contact with the bottom surface, when the agricultural vehicle falls into the height or the pothole, when carrying out the reclamation or the cultivation, the track enters into the pothole of low, walking wheel 42 contacts with the bottom surface of eminence, support falls into low one side, prevent falling into low one side and take place to lean or the side and fall, avoid the car. In addition, the connection mode of the travelling wheel and the connecting rod is conventional connection, and only rotation is needed, so that the travelling wheel is similar to the small wheels on two sides of a children bicycle, and the travelling wheel and the connecting rod are not described in detail herein.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. An agricultural vehicle frame structure with adjustable wheel track comprises a traveling assembly (1); the walking assembly (1) comprises a crawler belt (11), a driving wheel (12), a guiding wheel (13), a thrust wheel (14) and a supporting plate (15); the driving wheel (12), the guide wheel (13) and the thrust wheel (14) are movably arranged on the supporting plate (15); the support plate (15) is located inside the track (11); the outlines of the driving wheel (12), the guide wheel (13) and the thrust wheel (14) are all contacted with the inner wall of the crawler belt (11); characterized by further comprising: the connecting assembly (2), the connecting assembly (2) comprises a frame body (21) and a telescopic connecting rod (22); the frame body (21) is positioned between the two walking assemblies (1); the frame body (21) and the two walking components (1) are arranged at intervals in parallel; the telescopic connecting rods (22) are arranged on the frame body (21); the movable end of the telescopic connecting rod (22) faces the supporting plate (15) and is connected with the supporting plate (15);

a driving device (3), wherein the driving device (3) is arranged on the frame body (21); the movable end of the driving device (3) faces the supporting plate (15) and is connected with the supporting plate (15).

2. The track-adjustable agricultural frame structure of claim 1, wherein the driving means (3) comprises a first hydraulic cylinder (31); at least two first hydraulic cylinders (31) are arranged on the frame body (21) side by side; the movable end of the first hydraulic cylinder (31) faces one supporting plate (15) and is connected with the supporting plate.

3. The track-adjustable agricultural frame structure of claim 2, wherein the driving means (3) comprises a second hydraulic cylinder (32); at least two second hydraulic cylinders (32) are arranged at one end of the frame body (21) far away from the first hydraulic cylinders (31) in parallel; the movable end of the second hydraulic cylinder (32) faces away from the support plate (15) of the first hydraulic cylinder (31) and is connected with the support plate.

4. The track-adjustable agricultural frame structure of claim 1, wherein the telescopic connecting rod (22) comprises a first rod body (221) and a second rod body (222); the first rod bodies (221) are respectively arranged at two ends of the frame body (21) close to the supporting plate (15); the first rod body (221) faces the supporting plate (15); a notch (223) is formed in one end, close to the supporting plate (15), of the first rod body (221); one end of the second rod body (222) is inserted into the notch (223) and is in sliding connection with the first rod body (221), and the other end of the second rod body is connected with the supporting plate (15).

5. The track-adjustable agricultural frame structure of claim 4, wherein the notch (223) is a spline groove; one end of the second rod body (222) inserted into the notch (223) is in a spline structure corresponding to the notch (223).

6. The track-adjustable agricultural frame structure of any one of claims 1-5, further comprising a fall prevention assembly (4); the fall-preventing assembly (4) comprises a connecting rod (41) and a travelling wheel (42); one end of the connecting rod (41) is connected with one end of the supporting plate (15) far away from the frame body (21), and the other end of the connecting rod is movably connected with the travelling wheel (42).