CN115817662A

CN115817662A - Track structure and vehicle suitable for ice and snow polar region environment

Info

Publication number: CN115817662A
Application number: CN202211657194.3A
Authority: CN
Inventors: 余斌; 孙鹏; 周忠海; 曲振东; 孙书博; 孙鹭
Original assignee: Harbin Northern Defense Equipment Ltd By Share Ltd; Tsinghua University; Suzhou Automotive Research Institute of Tsinghua University
Current assignee: Harbin Northern Defense Equipment Ltd By Share Ltd; Tsinghua University; Suzhou Automotive Research Institute of Tsinghua University
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-03-21

Abstract

The invention belongs to the technical field of vehicles, and discloses a crawler belt structure suitable for an ice and snow polar region environment and a vehicle. The weight can be reduced, the contact area with the ground can be increased, the ground specific pressure is small, and the gripping ability is strong.

Description

Track structure and vehicle suitable for ice and snow polar region environment

Technical Field

The invention relates to the technical field of vehicles, in particular to a crawler belt structure suitable for an ice and snow polar region environment and a vehicle.

Background

The caterpillar is a flexible chain ring which is driven by the driving wheel and surrounds the driving wheel, the loading wheel, the inducer and the riding wheel. Tracked vehicles typically employ either steel tracks or rubber tracks. The rubber of the rubber track is directly contacted with the ground, so that the damage to the track is serious, and the service life of the track is far shorter than that of a steel track. The steel track is formed by connecting the sections of track shoes together by virtue of pin shafts penetrating through pin holes on the track shoes, wherein the pin shafts and the pin holes of the track shoes are directly subjected to dry friction, and in order to enhance the structural strength of the steel track, forging or casting is mostly adopted in the manufacturing process of the steel track, so that the steel track is heavier in mass, and the mass of the steel track accounts for the mass proportion of the whole vehicle. There is a steel sheet rubber track attached to surface among the prior art, and in this steel sheet rubber track attached to surface, the steel sheet is attached to the peripheral surface of rubber track, and the inner peripheral surface of rubber track is equipped with the iron teeth, and steel sheet, rubber track and iron teeth connect gradually fixedly through a plurality of fasteners, and a plurality of retaining members are located the both ends of steel sheet along vehicle width direction respectively. However, in the surface-attached steel plate rubber crawler, since the steel plate and the iron teeth are respectively fixed on the front side and the back side of the rubber crawler, in order to enable the locking pieces to fix both ends of the steel plate in the vehicle width direction and both ends of the rubber crawler and the iron teeth in the vehicle width direction, the length of the steel plate and the length of the iron teeth in the vehicle width direction are adapted, so that the weight of the surface-attached steel plate rubber crawler is heavier as the width of the rubber crawler in the vehicle width direction is larger, the width of the crawler in the vehicle width direction is limited, the ground contact area of the crawler and the ground is reduced, the ground specific pressure is increased, and the vehicle is difficult to run under the extremely severe climate and complicated terrain conditions.

Disclosure of Invention

The invention aims to provide a crawler belt structure and a vehicle suitable for an ice and snow polar region environment, and aims to solve the problems that the weight of a rubber crawler belt with a steel plate attached on the surface is heavier along with the width of the rubber crawler belt along the width direction of the vehicle, so that the width of the crawler belt in the width direction of the vehicle is limited, the contact area of the crawler belt and the ground is reduced, the specific ground pressure is increased, and the vehicle is difficult to run under the severe climate and complicated terrain conditions of the polar region.

In order to achieve the purpose, the invention adopts the following technical scheme:

track structure suitable for ice and snow polar region environment includes:

the two rubber belts are arranged at intervals along the width direction of the vehicle;

a plurality of track components, it is a plurality of track components are followed the extending direction interval of rubber tape sets up, track components includes support piece, two drive tooth and sawtooth structure, support piece's both ends respectively with two rubber tape fixed connection, two drive the tooth all fixed set up in support piece, two drive the tooth and follow support piece's extending direction interval sets up, two drive the tooth and all be located two between the rubber tape, the sawtooth structure fixed set up in support piece, drive the tooth with the sawtooth structure is located respectively support piece's both sides.

As a preferable scheme of the track structure suitable for the ice and snow polar region environment, the support member includes a first support plate and a second support plate, the first support plate includes a first plate, a second plate and a third plate, the third plate is respectively and fixedly connected to the first plate and the second plate along two ends of the width of the third plate, the first plate and the second plate are arranged in parallel, the first plate and the second plate are both arranged perpendicular to the third plate, the second support plate is respectively and fixedly connected to the first plate and the second plate along two ends of the width of the second support plate, the first plate is respectively and fixedly connected to the two rubber belts along two ends of the length of the first plate, the first plate is fixedly connected to the driving teeth, and the second support plate is fixedly connected to the saw tooth structure.

As a preferable mode of the track structure suitable for the ice and snow polar environment, the support further includes a reinforcing plate, the reinforcing plate abuts against the first plate and covers a part of the first support plate, two ends of the reinforcing plate are respectively fixedly connected with the second plate and the third plate, and the reinforcing plate is located between the two driving teeth.

As a preferable scheme of the track structure suitable for the ice and snow polar region environment, the first plate is fixedly provided with a first connecting block, the second plate is fixedly provided with a second connecting block, the second supporting plate is respectively provided with a first connecting hole and a second connecting hole along two ends of the width of the second supporting plate, the first connecting block is arranged in the first connecting hole in a penetrating manner, and the second connecting block is arranged in the second connecting hole in a penetrating manner.

As an above-mentioned track structure's that is applicable to ice and snow polar region environment preferred scheme, the sawtooth structure includes two first serration boards, two first serration board all fixed set up in support piece, two first serration board is followed support piece's width direction interval sets up, the one end of first serration board is fixed and is equipped with a plurality of first sawtooth, and is a plurality of first sawtooth interval sets up.

As an optimal scheme of the track structure suitable for the ice and snow polar region environment, the sawtooth structure further comprises a plurality of second sawtooth plates, the second sawtooth plates are arranged at intervals along the length direction of the supporting piece, the second sawtooth plates are located between the first sawtooth plates, two second sawteeth are fixedly arranged on the second sawtooth plates, and the second sawteeth are arranged at intervals.

As a preferable scheme of the track structure suitable for the ice and snow polar region environment, the track structure suitable for the ice and snow polar region environment further comprises a connecting assembly, the connecting assembly comprises a plurality of bolts and a plurality of nuts, the plurality of bolts and the plurality of nuts are arranged in a one-to-one correspondence manner, and the bolts penetrate through the rubber belt and the supporting member and are in threaded connection with the nuts.

As a preferable scheme of the track structure suitable for the ice and snow polar region environment, the connecting assembly further comprises a pressing plate, the bolt is arranged on the pressing plate in a penetrating mode, and the pressing plate is located between the rubber belt and a nut of the bolt.

As a preferable mode of the above crawler belt structure adapted for the icy and snowy polar region environment, the supporting member, the driving tooth and the saw tooth structure are all made of steel.

The vehicle comprises the crawler belt structure suitable for the ice and snow polar region environment.

The invention has the beneficial effects that:

the invention provides a crawler structure suitable for an ice and snow polar environment and a vehicle, wherein two ends of a support member are respectively fixedly connected with two rubber belts arranged at intervals, a driving tooth is fixedly connected with the support member and positioned between the two rubber belts, the width of the driving tooth along the width direction of the vehicle does not need to be widened along with the widening of the crawler structure suitable for the ice and snow polar environment along the width direction of the vehicle and is not limited by the width along the width direction of the vehicle, so that the weight can be reduced, the weight proportion of the whole vehicle is small, the contact area with the ground is increased, the ground specific pressure is small and even less than 0.02mpa, the noise is reduced, and the traveling speed is increased. The sawtooth structure is fixedly arranged on the support piece, and the sawtooth structure can enhance the ground gripping capability, so that the vehicle adopting the crawler belt structure suitable for the ice and snow polar region environment has the capability of running under severe climate and complicated terrain conditions of the polar region, and is suitable for running in the ice and snow polar region environment.

Drawings

FIG. 1 is a schematic view of a track structure suitable for use in icy and snowy polar environments, according to a first embodiment of the present invention;

FIG. 2 is a schematic diagram of a track structure suitable for use in an icy or snowy polar environment, according to a second perspective of the present invention;

FIG. 3 is a partial schematic structural view of a track structure suitable for use in icy and snowy polar environments according to an embodiment of the present invention from a third perspective;

FIG. 4 is a partial schematic structural view of a track structure suitable for use in an icy or snowy polar environment according to an embodiment of the present invention from a fourth perspective;

fig. 5 is a partial structural schematic diagram of a crawler structure suitable for an ice and snow polar environment according to an embodiment of the present invention along a fifth viewing angle.

In the figure:

1. a rubber belt;

2. a track assembly; 21. a support member; 22. a drive tooth; 23. a sawtooth structure; 211. a first support plate; 212. a second support plate; 213. a reinforcing plate; 2111. a first plate; 2112. a second plate; 2113. a third plate; 231. a first serrated plate; 232. a second serrated plate;

3. a connecting assembly; 31. a bolt; 32. a nut; 33. and (7) pressing a plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of operation, 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" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The invention provides a track structure suitable for an ice and snow polar region environment, as shown in fig. 1-5, the track structure suitable for the ice and snow polar region environment comprises two rubber belts 1 and a plurality of track assemblies 2, the two rubber belts 1 are arranged at intervals along the width direction of a vehicle, the plurality of track assemblies 2 are arranged at intervals along the extending direction of the rubber belts 1, each track assembly 2 comprises a support member 21, two driving teeth 22 and a saw tooth structure 23, two ends of the support member 21 are respectively and fixedly connected with the two rubber belts 1, the two driving teeth 22 are both fixedly arranged on the support member 21, the two driving teeth 22 are arranged at intervals along the extending direction of the support member 21, the two driving teeth 22 are both positioned between the two rubber belts 1, the saw tooth structure 23 is fixedly arranged on the support member 21, and the driving teeth 22 and the saw tooth structure 23 are respectively positioned on two sides of the support member 21.

This track structure suitable for ice and snow polar region environment, support piece 21's both ends respectively with two rubber band 1 fixed connection that the interval set up, drive tooth 22 fixed connection is in support piece 21, drive tooth 22 is located between two rubber bands 1, the width of drive tooth 22 along the direction of vehicle width need not widen along with this track structure suitable for ice and snow polar region environment along the width of the direction of vehicle width, can not receive the restriction along the width of vehicle width direction, thereby can lighten weight, the weight proportion who accounts for whole car is little, and the area of contact on increase and ground, so that ground connection specific pressure is little, be less than 0.02mpa even, noise reduction, the speed of travel has been promoted. The saw-toothed structure 23 is fixedly arranged on the support piece 21, and the saw-toothed structure 23 can enhance the gripping ability, so that the vehicle adopting the crawler belt structure suitable for the ice and snow polar region environment has the capability of running under the severe climate and complicated terrain conditions of the polar region, and is suitable for running in the ice and snow polar region environment.

It will be appreciated that the drive teeth 22 are located inside the support 21, the drive teeth 22 being adapted to engage with a drive wheel for driving the support 21 and the rubber belt 1 in motion.

Optionally, the supporting member 21 includes a first supporting plate 211 and a second supporting plate 212, the first supporting plate 211 includes a first plate 2111, a second plate 2112 and a third plate 2113, the third plate 2113 is respectively and fixedly connected to the first plate 2111 and the second plate 2112 along both ends of its width, the first plate 2111 and the second plate 2112 are arranged in parallel, the first plate 2111 and the second plate 2112 are both arranged perpendicular to the third plate 2113, the second supporting plate 212 is respectively and fixedly connected to the first plate 2111 and the second plate 2112 along both ends of its width, the first plate 2111 is respectively and fixedly connected to the two rubber bands 1 along both ends of its length, the first plate 2111 is fixedly connected to the driving teeth 22, and the second supporting plate 212 is fixedly connected to the sawtooth structure 23. A hollow cavity is formed between the first support plate 211 and the second support plate 212, so that the strength of the support member 21 can be enhanced while the weight is reduced. Optionally, first plate 2111, second plate 2112, and third plate 2113 are integrally formed.

Optionally, the supporting member 21 further includes a reinforcing plate 213, the reinforcing plate 213 abuts against the first plate 2111, the reinforcing plate 213 covers a portion of the first supporting plate 211, two ends of the reinforcing plate 213 are fixedly connected to the second plate 2112 and the third plate 2113, respectively, and the reinforcing plate 213 is located between the two driving teeth 22. The reinforcing plate 213 can reinforce the strength of the support 21.

Optionally, the first plate 2111 is fixedly provided with a first connecting block, the second plate 2112 is fixedly provided with a second connecting block, the second supporting plate 212 is respectively provided with a first connecting hole and a second connecting hole along both ends of the width of the second supporting plate, the first connecting block is inserted into the first connecting hole, and the second connecting block is inserted into the second connecting hole. The first connection block and the second connection block are inserted into the first connection hole and the second connection hole, respectively, to position the first support plate 211 and the second support plate 212, and then are welded.

Optionally, the sawtooth structure 23 includes two first sawtooth plates 231, the two first sawtooth plates 231 are both fixedly disposed on the support member 21, the two first sawtooth plates 231 are disposed at intervals in the width direction of the support member 21, one end of the first sawtooth plate 231 is fixedly disposed with a plurality of first sawteeth, and the plurality of first sawteeth are disposed at intervals. The gravity of vehicle can concentrate on sawtooth structure 23, produces huge pressure, rolls through the ice and snow layer to increase frictional force, not skid when making the vehicle travel on ice and snow road surface, sawtooth structure 23 can play anti-skidding effect, improves this track structure's that is applicable to ice and snow polar region environment ability of grabbing ground. The first saw teeth can facilitate the saw tooth structure 23 to roll through the ice and snow layer.

Optionally, the sawtooth structure 23 further includes a plurality of second sawtooth plates 232, the second sawtooth plates 232 are arranged at intervals along the length direction of the support member 21, the second sawtooth plates 232 are located between the two first sawtooth plates 231, the second sawtooth plates 232 are fixedly provided with two second sawteeth, and the two second sawteeth are arranged at intervals. The second serration plate 232 can improve the slip prevention effect of the serration structure 23.

Optionally, the track structure suitable for the ice and snow polar region environment further comprises a connecting assembly 3, the connecting assembly 3 comprises a plurality of bolts 31 and a plurality of nuts 32, the plurality of bolts 31 and the plurality of nuts 32 are arranged in a one-to-one correspondence, and the bolts 31 penetrate through the rubber belt 1 and the support member 21 and are screwed with the nuts 32. In this embodiment, the number of the connecting assemblies 3 is twice that of the supporting members 21, and the two connecting assemblies 3 are respectively used for connecting the two ends of the supporting members 21 with the two rubber belts 1. In this embodiment, the number of the bolts 31 and the nuts 32 in each connecting assembly 3 is 6, 3 bolts 31 are used for connecting one end of the supporting member 21 with one rubber belt 1, and the other 3 bolts 31 are used for connecting the other end of the supporting member 21 with the other rubber belt 1. It will be appreciated that the rubber belt 1 is connected end to end by the connecting assembly 3 and the support member 21 so that the rubber belt 1 is looped.

Optionally, the connecting assembly 3 further includes a pressing plate 33, the bolt 31 is disposed through the pressing plate 33, and the pressing plate 33 is located between the rubber belt 1 and the nut of the bolt 31. The pressing plate 33 can increase the contact area with the rubber belt 1, reduce the pressure of the bolt 31 on the rubber belt 1, and prevent the bolt 31 from loosening. In this embodiment, the number of the pressing plates 33 in each connecting assembly 3 is two, and 3 bolts 31 of each connecting assembly 3 share one pressing plate 33.

Alternatively, the support 21, the drive teeth 22 and the sawtooth structure 23 are all made of steel. The support part 21, the driving teeth 22 and the sawtooth structures 23 are formed by stamping and welding low-temperature-resistant high-strength thin steel plates, so that the materials and welding wires have good mechanical properties such as impact resistance and fatigue resistance in a severe cold environment (below-60 ℃).

The invention also provides a vehicle comprising the track structure suitable for the ice and snow polar region environment.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. Crawler structure suitable for ice and snow polar region environment, its characterized in that includes:

the two rubber belts (1) are arranged at intervals in the width direction of the vehicle;

a plurality of track components (2), it is a plurality of track components (2) are followed the extending direction interval of rubber band (1) sets up, track components (2) include support piece (21), two drive tooth (22) and sawtooth structure (23), the both ends of support piece (21) respectively with two rubber band (1) fixed connection, two drive tooth (22) all fixed set up in support piece (21), two drive tooth (22) are followed the extending direction interval of support piece (21) sets up, two drive tooth (22) all are located two between rubber band (1), sawtooth structure (23) fixed set up in support piece (21), drive tooth (22) with sawtooth structure (23) are located respectively the both sides of support piece (21).

2. The track structure suitable for the environment with the polar ice and snow according to claim 1, wherein the supporting member (21) comprises a first supporting plate (211) and a second supporting plate (212), the first supporting plate (211) comprises a first plate (2111), a second plate (2112) and a third plate (2113), the third plate (2113) is fixedly connected with the first plate (2111) and the second plate (2112) respectively along two ends of the width of the third plate, the first plate (2111) and the second plate (2112) are arranged in parallel, the first plate (2111) and the second plate (2112) are arranged perpendicular to the third plate (2113), the second supporting plate (212) is fixedly connected with the first plate (2111) and the second plate (2112) respectively along two ends of the width of the second plate, the first plate (2111) is fixedly connected with the two rubber belts (1) respectively along two ends of the length of the third plate, the first plate (2111) is fixedly connected with the driving plate (2111), and the second plate (2113) is fixedly connected with the driving structure (23).

3. The track structure suitable for the environment with the polar ice and snow as claimed in claim 2, wherein said support (21) further comprises a reinforcing plate (213), said reinforcing plate (213) abuts against said first plate (2111), and said reinforcing plate (213) covers part of said first support plate (211), both ends of said reinforcing plate (213) are fixedly connected with said second plate (2112) and said third plate (2113), respectively, said reinforcing plate (213) is located between two of said driving teeth (22).

4. The crawler structure suitable for the environment of ice and snow polar regions according to claim 2, wherein the first plate (2111) is fixedly provided with a first connection block, the second plate (2112) is fixedly provided with a second connection block, the second support plate (212) is respectively provided with a first connection hole and a second connection hole along both ends of its width, the first connection block is inserted through the first connection hole, and the second connection block is inserted through the second connection hole.

5. The track structure suitable for the ice and snow polar region environment according to claim 1, wherein the saw tooth structure (23) comprises two first saw tooth plates (231), the two first saw tooth plates (231) are fixedly arranged on the support member (21), the two first saw tooth plates (231) are arranged at intervals along the width direction of the support member (21), one end of the first saw tooth plate (231) is fixedly provided with a plurality of first saw teeth, and the plurality of first saw teeth are arranged at intervals.

6. The track structure suitable for the ice and snow polar environment according to claim 5, wherein the saw tooth structure (23) further comprises a plurality of second saw tooth plates (232), the plurality of second saw tooth plates (232) are arranged at intervals along the length direction of the support (21), the plurality of second saw tooth plates (232) are all located between two first saw tooth plates (231), and the second saw tooth plates (232) are fixedly provided with two second saw teeth, and the two second saw teeth are arranged at intervals.

7. The track structure suitable for the ice and snow polar region environment is characterized in that the track structure suitable for the ice and snow polar region environment further comprises a connecting assembly (3), the connecting assembly (3) comprises a plurality of bolts (31) and a plurality of nuts (32), the plurality of bolts (31) and the plurality of nuts (32) are arranged in a one-to-one correspondence mode, and the bolts (31) penetrate through the rubber belt (1) and the supporting piece (21) and are in threaded connection with the nuts (32).

8. Crawler structure suitable for use in an icy or snowy polar environment according to claim 7, characterized in that the connection assembly (3) further comprises a pressure plate (33), the bolt (31) being arranged through the pressure plate (33), the pressure plate (33) being located between the rubber belt (1) and the nut of the bolt (31).

9. Crawler structure adapted for use in an icy and snowy polar environment according to claim 1, characterized in that said support (21), said driving teeth (22) and said saw tooth structure (23) are made of steel.

10. Vehicle, characterized in that it comprises a track structure suitable for use in icy and snowy polar environments according to any one of claims 1 to 9.