CN219524064U - Variable contact surface tracked vehicle track shoe structure suitable for forest terrain - Google Patents

Abstract

The utility model relates to a variable contact surface track shoe structure of a track vehicle, which comprises a track plate body and track pins, wherein a high rib is designed in a high track piercing surrounding area at the bottom of the track plate body, a reinforcing rib is arranged in the middle area at the bottom of the track plate body, the track plate body is provided with a front end pin hole and a rear end pin hole, the diameter of the front end pin hole is larger than that of the track pin, the diameter of the rear end pin hole is in clearance fit with that of the track pin, a three-level stepped structure is formed by the main body of the track plate body, the high rib and the high track piercing, so that a three-level contact surface is formed, the contact surface is changed in the sinking process when the track shoe runs on soft road surfaces, swamps and other terrains, the ground contact pressure is changed, the different diameters of the front end pin hole and the rear end pin hole are designed to ensure the working reliability after the track plate body and the track pin are assembled, and the whole structure greatly enhances the running stability and the trafficability of the track vehicle, and the track vehicle is more suitable for the working environment of a forest region.

Description

Variable contact surface tracked vehicle track shoe structure suitable for forest terrain

Technical Field

The utility model relates to the technical field of forest logistics engineering machinery accessories, in particular to a track shoe structure of a variable contact surface tracked vehicle applicable to the forest ground.

Background

The original forest region has extremely complex topography and various landforms. The original forest area has rugged surface and soft soil, and has high requirements on the stability and trafficability of the vehicle in the running process. The track shoe of the existing forest zone tracked vehicle has single function, the road surface trafficability and running stability under different road conditions are large in difference, the movement state is unstable, the existing forest zone tracked vehicle cannot be well adapted to various and complex forest zone terrains, the original forest zone operation is more inconvenient, the variable contact surface tracks can change different contact areas of the tracks on different terrains, and accordingly the ground specific pressure and the ground friction of the tracks are changed, and the requirements of terrains such as hard ground, soft ground and swamp are met.

Disclosure of Invention

The utility model aims to provide a track shoe structure of a variable contact surface tracked vehicle, which is suitable for the topography of a forest region and can effectively solve the problems in the background technology.

In order to solve the problems in the background technology, the utility model adopts the following technical scheme:

the utility model provides a become contact surface tracked vehicle track shoe structure suitable for forest topography, includes track plate body and track pin, its characterized in that the regional design of high track thorn encirclement of track plate body bottom has high muscle, the intermediate zone of track plate body bottom is equipped with the strengthening rib, the track plate body is equipped with front end pinhole and rear end round pin hole.

The bottom of the crawler plate body, the high crawler thorn bottom surface constitutes the one-level contact surface, and high muscle bottom surface is less than high crawler thorn bottom surface and forms the second grade contact surface, and the bottom surface of crawler plate body main part is less than high muscle bottom surface and forms the tertiary contact surface, high crawler thorn, high muscle with the tertiary step structure is constituteed to the main part of crawler plate body, forms the tertiary contact surface.

The diameter of the front pin hole of the crawler plate body is larger than that of the crawler pin, the diameter of the rear pin hole is in clearance fit with that of the crawler pin, the rear pin hole of the crawler plate body is aligned with the front pin hole of the adjacent crawler plate body at the rear side, and the crawler pin penetrates through the front pin hole and the rear pin hole to connect the two crawler plate bodies adjacent to each other front and back to form a multi-section crawler.

Compared with the prior art, the utility model has the beneficial effects that: the high-track-thorn surrounding area at the bottom of the track plate body of the forest area tracked vehicle is provided with the high ribs, the main body of the track plate body, the high ribs and the high track thorns form a three-level stepped structure, three-level contact surfaces are formed, the contact surfaces of the track plate body and the ground can be changed stepwise when the tracked vehicle runs to a soft road surface, the ground contact area is increased slowly, the ground contact pressure is reduced, the tracked vehicle can be effectively prevented from suddenly sinking, the running stability and the road surface trafficability of the tracked vehicle on the soft road surface are enhanced, and meanwhile, the running stability and the trafficability of the forest area tracked vehicle on the rugged road surface are reserved; the middle area of the bottom of the crawler plate body is provided with a reinforcing rib, and the strength of the crawler plate body is ensured under the condition of hollowing out and weight reduction in the middle area; the track plate body is provided with the pinholes with different diameters from front to back, the diameter of the front pin hole is larger than the diameter of the track pin after being assembled with the track pin, the normal operation of the track is ensured, the diameter of the rear pin hole is in clearance fit with the diameter of the track pin, the normal operation of the track is ensured, the looseness of the track is reduced, the reliability of the track in the working process is improved, and the derailment of the track is avoided.

Drawings

In order to more clearly illustrate the present utility model, the present utility model will be briefly described below with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a bottom view of FIG. 1;

FIG. 4 is a schematic view of an assembly of a multi-section track;

icon: 1. the crawler belt plate body comprises a crawler belt plate body 2, a high crawler belt thorn, 3, a high rib, 4, a front end pin hole, 5, a rear end pin hole, 6, a reinforcing rib, 7 and a crawler belt pin.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement of the purposes and the effects of the present utility model realized clear and fully described below, the technical solutions of the embodiments of the present utility model will be described with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-4, the present utility model provides a technical means: the utility model provides a forest land tracked vehicle track shoe structure, including track plate body 1, compare in former track shoe, the front end of track plate body 6 bottom two high track thorns 2 with the rear end a high track thorn 2 surrounding area design highly 10mm, the width is 5 mm's high muscle 3, the terminal surface of high muscle 3 is the plane the same with high track thorn 2, the main part of track plate body 1, high muscle 3 and high track thorn 2 constitute tertiary ladder formula structure, form tertiary contact surface, when the tracked vehicle is on rugged road surface and is driven, by high track thorn 2 with ground contact, area of contact is little, the ground connection ratio of track plate body 1 is big, can be better overcome rugged road conditions and guarantee the trafficability of tracked vehicle; when the tracked vehicle runs to a soft road surface to generate a sinking condition, the high ribs 3 can be in contact with the ground, so that the effective grounding area of the tracked plate body 1 is greatly increased, the specific pressure of grounding is reduced, the tracked vehicle is effectively prevented from continuously sinking, and when the tracked vehicle continuously sinks, the main body of the tracked plate body 1 is in contact with the ground to achieve the maximum contact area and the minimum specific pressure of grounding, and the running stability and the passing performance of the tracked vehicle on the soft road surface are enhanced. Compared with the cambered surface design of the traditional rib body, the end face of the high rib 3 is a plane, and when the tracked vehicle runs on a soft road surface to be contacted with the ground, the plane end face of the high rib 3 provides a larger effective grounding area, so that the purpose of changing the contact surface of the tracked plate body 1 is better realized. The diameter of the front end pin hole 4 is 18.5mm, the tolerance is 0 to +0.5mm, the diameter of the rear end pin hole 5 is 18mm, the tolerance is 0 to +0.5mm, the diameter of the track pin 7 is 18mm, the tolerance is 0 to-0.24 mm, the diameter of the front end pin hole 4 is 18.5mm larger than the diameter of the track pin 8, the front end pin hole 4 and the track pin 7 can freely rotate after being assembled, normal transmission of the track is ensured, the diameter of the rear end pin hole 5 is 18.5mm and the diameter of the track pin 7 are the same, when the limit tolerance is reached, the clearance is only 0.74mm, normal assembly of the track pin 7 and the track plate body 1 is ensured, the looseness of the track is reduced, the transverse displacement of the track plate body 1 in the running process is effectively avoided, and the applicability of the forest land topography operation of a forest is greatly improved, and the reliability in the operation process of the forest is greatly improved.

In the present utility model, only parts relevant to the relevant disclosure are shown in the drawings for convenience of description. Embodiments of the present disclosure and features in the embodiments may be combined with each other without conflict; it should be noted that the concepts of "front end", "back end", "two", etc. in this disclosure are merely illustrative and not limiting, and are merely used to distinguish between different modules or assemblies and are not intended to limit the location or interdependence of such modules.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; while the utility model has been described in detail with reference to the foregoing embodiments, it will be appreciated by those skilled in the art that modifications, variations, or equivalents of some of the features described in the foregoing embodiments may be made; the scope of the utility model should not be limited by the description, but should be defined only in accordance with the following claims and their equivalents.

Claims (3)

1. The utility model provides a become contact surface tracked vehicle track shoe structure suitable for forest topography, includes track plate body (1) and track pin (7), its characterized in that the regional design of encircleing of high track thorn (2) of track plate body (1) bottom has high muscle (3), the middle zone of track plate body (1) bottom is equipped with strengthening rib (6), track plate body (1) is equipped with front end pinhole (4) and rear end round pin hole (5).

2. The track shoe structure of the variable contact surface tracked vehicle suitable for the forest terrain according to claim 1, wherein the bottom of the track plate body (1) is characterized in that the bottom surface of the high track thorn (2) forms a first-stage contact surface, the bottom surface of the high rib (3) is lower than the bottom surface of the high track thorn (2) to form a second-stage contact surface, the bottom surface of the main body of the track plate body (1) is lower than the bottom surface of the high rib (3) to form a third-stage contact surface, and the main bodies of the high track thorn (2), the high rib (3) and the track plate body (1) form a third-stage step structure to form a third-stage contact surface.

3. The track shoe structure of the variable contact surface tracked vehicle suitable for forest terrain according to claim 1, wherein the diameter of a front end pin hole (4) of the track plate body (1) is larger than that of a track pin (7), the diameter of a rear end pin hole (5) is in clearance fit with that of the track pin (7), the rear end pin hole (5) of the track plate body (1) is aligned with the front end pin hole (4) of a rear adjacent track plate body (1), and the track pin (7) penetrates through the front end pin hole (4) and the rear end pin hole (5) to connect the front and rear adjacent track plate bodies (1) to form a track.