CN217533047U - Caterpillar band - Google Patents

Abstract

The utility model provides a track, this track includes: the elastic layer 10 is annular or long-strip-shaped, the longitudinal thread body layer 20 extends along the length direction of the elastic layer 10 and is embedded in the elastic layer 10, and the transverse monofilament body extends along the width direction of the elastic layer 10 and is embedded in the elastic layer 10; wherein, the transverse monofilament body of the transverse cord body layer 30 and the longitudinal cord body of the longitudinal cord body layer 20 have an angle α, α ≠ 0 ° to improve the torsional rigidity of the track. The driving wheel transmits a pulling force through the longitudinal thread body layer 20 to enable the elastic layer 10 of the track to move relative to the vehicle, and the transverse thread body layer 30 provides transverse rigidity for the track, and when the track is subjected to a torsional force, the transverse thread body layer 30 can provide a reaction force opposite to the torsional force, namely the torsional resistance of the track is improved, the transverse rigidity and the torsional rigidity of the elastic track are improved, and the phenomenon that the track is separated from a bogie wheel to cause belt separation is prevented.

Description

Caterpillar band

Technical Field

The utility model relates to a tracked vehicle is with belt track core gold technical field relates to the track.

Background

The elastic body belt type crawler belt has the excellent performances of small ground pressure, small vibration, low noise, good wet field passing performance, no damage to a road surface, high speed, light mechanical weight and the like, is widely applied to various fields of industry, engineering, agriculture, petroleum, scientific investigation, tourism, military, national defense and the like, and partially replaces a steel crawler belt and a tire. The development and application of the elastomer crawler greatly expand the application range of crawler-type and wheeled transport vehicles and overcome the restriction of various unfavorable terrain conditions and environments on mechanical equipment.

The prior elastomer belt type crawler is generally a rubber crawler or a polyurethane crawler, and basically only longitudinal steel wires and elastomers are connected between a framework and the framework, so that the belt body is soft, the transverse rigidity and the torsional rigidity are very small, the belt body is not easy to recover after climbing teeth, the space utilization rate of the crawler width is not high, and the like. When the vehicle turns or runs at high speed on uneven road surfaces, muddy road surfaces, sandy lands and the like, the crawler cannot well transversely slide on the ground along with the loading wheels, so that the crawler is separated from the loading wheels to cause belt separation.

The transverse rigidity and the torsional rigidity of the existing elastomer track are poor, so that a high-speed heavy-duty vehicle cannot be used, and the progress of a moving system of a high-speed light-duty track vehicle is severely restricted.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a track to solve the poor transverse rigidity and torsional rigidity problems of the elastomer track in the prior art.

In order to achieve the above object, according to an aspect of the present invention, there is provided a crawler belt, comprising: the elastic layer is annular or strip-shaped; the longitudinal thread body layer extends along the length direction of the elastic layer and is embedded in the elastic layer; the transverse line body layer extends along the width direction of the elastic layer and is embedded in the elastic layer; the angle alpha is formed between the transverse single line body of the transverse line body layer and the longitudinal line body of the longitudinal line body layer, and alpha is not equal to 0 degrees so as to improve the torsional rigidity of the crawler.

Furthermore, the transverse line body layers are at least two layers, the adjacent transverse line body layers are arranged at intervals, a shear band is arranged between the two adjacent transverse line body layers, the shear band is a part of the elastic layer, and the multilayer transverse line body layers are positioned on two sides of the longitudinal line body layer, or the multilayer transverse line body layers are positioned on one side of the longitudinal line body layer.

Further, when the crawler belt is bent along the length direction, the elastic layer is bent to bend the longitudinal line body layers, and the distance between the transverse single line bodies of each transverse line body layer is changed; when the crawler belt is twisted, the two adjacent transverse linear body layers perform shearing action on the shear band to prevent the crawler belt from being twisted, the 100% stress at definite elongation of the shear band is k, and k is more than or equal to 5Mp.

Further, α =90 °.

Furthermore, the transverse monofilament body layer comprises a plurality of transverse monofilament bodies, the transverse monofilament bodies extend along the width direction of the elastic layer and are parallel to each other, and the transverse monofilament bodies are at least one of metal wires, metal ropes, natural fibers and synthetic fibers.

Further, the elastic layer is composed of one elastomer or a plurality of elastomers.

Further, the elastic layer comprises a first elastic body and a second elastic body, the first elastic body is a shear band, the second elastic body is a pattern surface portion and a raceway surface portion, and the first elastic body is one of rubber, polyurethane and polyurethane rubber compound; the second elastomer is one of rubber, polyurethane and polyurethane gross rubber.

Further, the longitudinal thread body layer comprises a plurality of longitudinal monofilament bodies, the longitudinal monofilament bodies extend along the length direction of the crawler, the plurality of transverse monofilament bodies are parallel to each other, and the transverse monofilament bodies are at least one of metal wires, metal ropes, natural fibers and synthetic fibers.

Further, the crawler belt further comprises: the core gold is at least partially embedded in the elastic layer and is made by mixing the multilayer wire body layer and the elastic body.

Use the technical scheme of the utility model, the track includes: the elastic layer 10 is annular or long-strip-shaped, the longitudinal thread body layer 20 extends along the length direction of the elastic layer 10 and is embedded in the elastic layer 10, and the transverse monofilament body extends along the width direction of the elastic layer 10 and is embedded in the elastic layer 10; the angle between the transverse monofilament body of the transverse thread body layer 30 and the longitudinal thread body of the longitudinal thread body layer 20 is alpha, and alpha is not equal to 0 degrees, so that the torsional rigidity of the crawler belt is improved. The drive wheel transmits a pulling force through the longitudinal wire body layer 20 to move the elastic layer 10 of the track with respect to the vehicle, while the transverse wire body layer 30 provides transverse rigidity to the track, and when the track is subjected to a torsional force, the transverse line body 30 can provide a reaction force opposite to the torsional force, namely, the torsional force of the crawler belt is improved, the transverse rigidity and the torsional rigidity of the elastic crawler belt are improved, and the phenomenon that the crawler belt is separated from the bogie wheels to cause belt separation is prevented.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the scope of the invention. In the drawings:

figure 1 shows a schematic side view of an embodiment of a track according to the present invention;

FIG. 2 shows a schematic cross-sectional view at B-B in FIG. 1;

FIG. 3 showsbase:Sub>A cross-sectional structural view of the first embodiment at A-A in FIG. 1;

FIG. 4 showsbase:Sub>A cross-sectional structural view of the second embodiment at A-A in FIG. 1;

fig. 5 showsbase:Sub>A schematic cross-sectional structure of the third embodiment atbase:Sub>A-base:Sub>A in fig. 1.

Wherein the figures include the following reference numerals:

10. an elastic layer; 20. a longitudinal strand layer; 30. a transverse wire body layer; 40. shearing the band; 50. and (4) gold core.

Detailed Description

It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

For ease of description, spatially relative terms such as "above … …", "above … …", "above … … upper surface", "above", etc. may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

Referring to fig. 1 to 5, according to an embodiment of the present invention, there is provided a crawler.

As shown in fig. 1 and 2, the crawler includes: the elastic layer 10 is annular or long-strip-shaped, the longitudinal thread body layer 20 extends along the length direction of the elastic layer 10 and is embedded in the elastic layer 10, and the transverse thread body layer 30 extends along the width direction of the elastic layer 10 and is embedded in the elastic layer 10; the angle between the transverse monofilament body of the transverse thread body layer 30 and the longitudinal thread body of the longitudinal thread body layer 20 is alpha, and alpha is not equal to 0 degrees, so that the torsional rigidity of the crawler belt is improved. The driving wheel transmits a pulling force through the longitudinal thread body layer 20 to enable the elastic layer 10 of the track to move relative to the vehicle, and the transverse thread body layer 30 provides transverse rigidity for the track, and when the track is subjected to a torsional force, the transverse thread body layer 30 can provide a reaction force opposite to the torsional force, namely the torsional resistance of the track is improved, the transverse rigidity and the torsional rigidity of the elastic track are improved, and the phenomenon that the track is separated from a bogie wheel to cause belt separation is prevented.

As shown in fig. 4 and 5, the transverse string body layers 30 are at least two layers, the adjacent transverse string body layers 30 are arranged at intervals, the shear band 40 is arranged between the adjacent two transverse string body layers 30, the shear band 40 is a part of the elastic layer 10, and the multi-layer transverse string body layer 30 is positioned on both sides of the longitudinal string body layer 20, or the multi-layer transverse string body layer 30 is positioned on one side of the longitudinal string body layer 20. The existence of the transverse line body layers 30 can not influence the bending performance of the normal running of the crawler, when the crawler runs normally, the distance between a plurality of transverse single line bodies of the same transverse line body layer 30 is close to or is far away, when the crawler has a torsion trend or the lateral bending of the crawler is changed, the shearing action is generated between two adjacent transverse line body layers 30 on the shearing band 40, the transverse rigidity and the torsion rigidity of the elastomer crawler are improved, and the phenomenon that the crawler is separated from the bogie wheels to cause the band separation is prevented. Of course, the plurality of transverse wire body layers 30 can be freely arranged on the two sides of the longitudinal wire body layer 20 according to the processing requirement, and the transverse rigidity and the torsional rigidity of the elastomer crawler track can be improved.

Wherein, when the crawler belt is bent in the length direction, the elastic layer 10 is bent to bend the longitudinal thread body layers 20 and change the distance between the respective transverse single threads of each transverse thread body layer 30; when the track is twisted, the two adjacent transverse line body layers 30 perform a shearing action on the shear band 40 to prevent the track from being twisted, the 100% stress at definite elongation of the shear band 40 is k, and k is more than or equal to 5Mp. When k is larger than or equal to 5Mpa, the shear band has enough performance, so that the shear band has enough supporting force, and the transverse rigidity and the torsional rigidity of the elastomer crawler belt can be improved. The shear band may be rubber, polyurethane, or a polyurethane compound having a 100% stress at elongation of 5MPa or more.

Preferably, α =90 °. When the angle between the transverse unit body of the transverse line body layer 30 and the longitudinal line body of the longitudinal line body layer 20 is 90 degrees, the normal running bending of the crawler can be ensured, the transverse rigidity and the torsional rigidity of the elastomer crawler can be improved by the transverse line body layer 30, and the phenomenon that the crawler is separated from the bogie wheels to cause belt stripping is prevented.

The transverse thread body 30 includes a plurality of transverse monofilament bodies, the transverse monofilament bodies extend along the width direction of the elastic layer 10, the plurality of transverse monofilament bodies are parallel to each other, and the transverse monofilament bodies are at least one of metal wires, metal ropes, natural fibers and synthetic fibers. Of course, the longitudinal monofilament body may also be at least one of a metal wire, a metal cord, a natural fiber, and a synthetic fiber.

In addition, the elastic layer 10 is composed of one elastomer or a plurality of elastomers. The shear band can be replaced by an elastic body different from other parts according to the requirement so as to improve the transverse rigidity and the torsional rigidity of the crawler.

In the present embodiment, the elastic layer 10 includes a first elastic body and a second elastic body, the first elastic body is the shear band 40, the second elastic body is the pattern surface portion and the raceway surface portion, and the first elastic body is one of rubber, polyurethane and polyurethane rubber compound; the second elastomer is one of rubber, polyurethane and polyurethane gross rubber.

In this embodiment, the longitudinal thread body layer 20 includes a plurality of longitudinal monofilament bodies, the longitudinal monofilament bodies extend along the length direction of the track, the plurality of transverse monofilament bodies are all parallel to each other, and the transverse monofilament bodies are at least one of metal wires, metal ropes, natural fibers and synthetic fibers.

According to the utility model discloses a further embodiment, the track still includes: the core 50, at least part of the core 50 is embedded in the elastic layer 10, the core 50 is made by mixing a plurality of layers of wire layers and an elastic body. The core 50 may be vulcanized in a mold by arranging new longitudinal wire layers and/or new transverse wire layers and elastomeric material. The new longitudinal thread layer is made of at least one of metal wires, metal ropes, natural fibers and synthetic fibers, and the new transverse thread layer is made of at least one of metal wires, metal ropes, natural fibers and synthetic fibers.

In addition to the foregoing, it should be noted that reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally throughout this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A track, comprising:

the elastic layer (10), the elastic layer (10) is annular or long strip-shaped;

a longitudinal thread body layer (20), wherein the longitudinal thread body layer (20) extends along the length direction of the elastic layer (10) and is embedded in the elastic layer (10);

a transverse thread body layer (30), wherein the transverse thread body layer (30) extends along the width direction of the elastic layer (10) and is embedded in the elastic layer (10);

the angle alpha is formed between the transverse single line body of the transverse line body layer (30) and the longitudinal line body of the longitudinal line body layer (20), and alpha is not equal to 0 degrees, so that the torsional rigidity and the lateral rigidity of the crawler are improved.

2. The track according to claim 1, wherein the transverse thread layers (30) are at least two layers, adjacent transverse thread layers (30) are arranged at intervals, a shear band (40) is arranged between two adjacent transverse thread layers (30), the shear band (40) is a part of the elastic layer (10), a plurality of layers of transverse thread layers (30) are arranged on two sides of the longitudinal thread layer (20), or a plurality of layers of transverse thread layers (30) are arranged on one side of the longitudinal thread layer (20).

3. Track according to claim 2, characterized in that when the track is bent in the length direction, the elastic layer (10) is bent to bend the longitudinal thread layers (20) and to vary the mutual distance of the individual transverse single threads of each transverse thread layer (30); when the crawler belt is twisted, the two adjacent transverse line body layers (30) perform a shearing action on the shearing belt (40) to prevent the crawler belt from being twisted, the 100% stress at definite elongation of the shearing belt (40) is k, and k is larger than or equal to 5Mp.

4. The track of claim 1, wherein a =90 °.

5. The track according to claim 1, wherein the transverse layer of threads (30) comprises a plurality of transverse monofilament threads extending along the width of the elastic layer (10), said plurality of transverse monofilament threads being parallel to each other, said transverse monofilament threads being at least one of a metal wire, a metal cord, a natural fiber, a synthetic fiber.

6. Track according to claim 2, characterized in that the elastic layer (10) is constituted by an elastomer or elastomers.

7. The track according to claim 6, wherein said elastomeric layer (10) comprises a first elastomer and a second elastomer, said first elastomer being said shear band (40), said second elastomer being a tread portion, a raceway portion, said first elastomer being one of a rubber, a polyurethane compound; the second elastomer is one of rubber, polyurethane and polyurethane rubber compound.

8. The track of claim 1, wherein the longitudinal thread layer (20) comprises a plurality of longitudinal monofilaments extending along the length of the track, wherein the plurality of transverse monofilaments are parallel to each other, and wherein the transverse monofilaments are at least one of a wire, a metal cord, a natural fiber, and a synthetic fiber.

9. The track of claim 1, further comprising:

the core metal (50), at least part of core metal (50) is buried in the elastic layer (10), and the core metal (50) is made by mixing a plurality of wire body layers and an elastic body.

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