CN220842745U - Balanced bearing wheel crawler belt running gear - Google Patents

Abstract

The utility model relates to the technical field of tracked vehicles, in particular to a balanced type bearing wheel track traveling device which comprises a balanced bearing wheel structure and a track, wherein the balanced bearing wheel structure is arranged on the track and is rotationally connected with a chassis, a driving wheel is arranged at one side of the inside of the track, a tensioning device is arranged at the upper side of the balanced bearing wheel structure and inside of the track, a tensioning wheel is arranged at one side of the tensioning device, which is far away from the driving wheel, and the balanced type bearing wheel traveling device has the advantages of simple integral structure, capability of reducing instant impact caused by balancing the bearing wheels, simple structure, stability and long service life.

Description

Balanced bearing wheel crawler belt running gear

Technical Field

The utility model relates to the technical field of tracked vehicles, in particular to a balanced bearing wheel crawler travelling device.

Background

The crawler is a crawler carrier designed for complex terrain transportation, can effectively run on mountains, hills, snowlands, paddy fields, orchards, greenhouses and other scenes, and has the following defects that the crawler running device adopted by the conventional crawler still has the following specific steps: because of adopting the floating wheel type structure, the bearing is too many, the sealing is too complicated, the cost is high, the assembly difficulty is high, and the maintenance is difficult.

Therefore, there is a need to design a balanced bearing wheel crawler belt running device to solve the above-mentioned problems in the prior art.

Disclosure of utility model

The utility model aims to provide a balanced bearing wheel crawler belt running device so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a balanced bearing wheel track running gear, includes balanced bearing wheel structure and track, balanced bearing wheel structure installs on the track to rotate with the chassis and be connected, the drive wheel is installed to inside one side of track, overspeed device tensioner is installed to the inside of track and the upside that is located balanced bearing wheel structure, overspeed device tensioner installs the take-up pulley in one side of driving wheel that keeps away from, balanced bearing wheel structure includes installing support, bearing wheel pivot, bearing wheel, deep groove ball bearing, gland, bolt, inner frame oil blanket, outer frame oil blanket, floating pivot and axle sleeve.

As a preferable scheme of the utility model, the mounting bracket is provided with the bearing wheel rotating shaft and the floating rotating shaft, the floating rotating shaft penetrates through the mounting bracket and is positioned between the two bearing wheel rotating shafts, and the floating rotating shaft and the bearing wheel rotating shaft are mutually parallel.

As the preferable scheme of the utility model, the two bearing wheel rotating shafts are arranged in total, the two ends of the two bearing wheel rotating shafts penetrate through the front end and the rear end of the mounting bracket respectively, the mounting bracket can move up and down along with the bearing wheels in a balanced mode, the bearing wheels and the crawler belt keep a degree of coincidence in the balanced movement process, the bearing wheel material is high polymer nylon, and when the balanced movement angle of the bearing wheels is larger, the deformation of the crawler belt is larger.

As a preferable scheme of the utility model, an inner side groove is arranged on the inner side of the middle shaft hole of the bearing wheel, an inner skeleton oil seal is arranged on the inner side groove, an outer side groove is arranged on the outer side of the middle shaft hole of the bearing wheel, an outer skeleton oil seal is arranged on the outer side groove, the bearing wheel rotating shaft penetrates through the shaft hole from the inner side groove of the bearing wheel and stretches into a mounting bearing on the outer side of the shaft hole, the inner skeleton oil seal and the bearing wheel rotating shaft form an inner side oil seal structure, the outer skeleton oil seal and the bearing wheel rotating shaft form an outer side oil seal structure, a deep groove ball bearing is arranged between the inner side groove and the outer side groove of the bearing wheel, the deep groove ball bearing is arranged on the circumference of the bearing wheel rotating shaft, a gland is further arranged on the outer side of the shaft hole and is arranged between the bearing wheel skeleton and the mounting bearing, the outer side of the mounting bearing is tightly sealed by a bolt mounting gland, and the gland is tangential with the end face of the bearing wheel rotating shaft.

As a preferable scheme of the utility model, the shaft sleeve is rotatably connected with the mounting bracket, and the shaft sleeve is used for mounting the balance bearing wheel structure on the chassis and can rotate around the chassis.

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

1. according to the utility model, the two bearing wheel rotating shafts and the floating rotating shaft are arranged on the mounting bracket, the bearing wheel rotating shaft comprises a first bearing wheel rotating shaft penetrating through the mounting bracket and arranged at one end of the mounting bracket, a second bearing wheel rotating shaft penetrating through the mounting bracket and arranged at the other end of the mounting bracket, the two ends of the two bearing wheel rotating shafts are respectively provided with bearing wheels, the bearing wheels at the same side of the two bearing wheel rotating shafts are respectively front and rear bearing wheels, the floating rotating shaft penetrates through the mounting bracket and is positioned between the two bearing wheel rotating shafts, the two ends of the floating rotating shaft are respectively provided with the shaft sleeve, and the shaft sleeve is positioned between the front bearing wheel and the rear bearing wheel, so that the front bearing wheel and the rear bearing wheel at the same side of the bearing wheel rotating shaft rotate around the shaft sleeve. In the running on special road surface, there is no concern about the influence of dust and the like entering the bearing.

Drawings

FIG. 1 is an overall front view of the present utility model;

FIG. 2 is a schematic diagram of a balance weight wheel structure according to the present utility model;

FIG. 3 is a top view of the balance weight wheel structure of the present utility model;

fig. 4 is a schematic side view of the balance weight bearing wheel structure of the present utility model.

In the figure: 1. a tensioning wheel; 2. a balance weight wheel structure; 21. a mounting bracket; 22. a bearing wheel rotating shaft; 23. a bearing wheel; 24. deep groove ball bearings; 25. a gland; 26. a bolt; 27. an inner framework oil seal; 28. an outer framework oil seal; 29. a floating rotating shaft; 210. a shaft sleeve; 3. a driving wheel; 4. a track; 5. a tensioning device.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

In order that the utility model may be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which, however, the utility model may be embodied in many different forms and are not limited to the embodiments described herein, but are instead provided for the purpose of providing a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In an embodiment, please refer to fig. 1-4, the present utility model provides a technical solution:

The utility model provides a balanced bearing wheel track running gear, including balanced bearing wheel structure 2 and track 4, balanced bearing wheel structure 2 installs on track 4 to rotate with the chassis and be connected, drive wheel 3 is installed to inside one side of track 4, and overspeed device tensioner 5 is installed to the inside of track 4 and the upside that lies in balanced bearing wheel structure 2, and overspeed device tensioner 5 is installed in one side that is away from drive wheel 3, and balanced bearing wheel structure 2 includes installing support 21, bearing wheel pivot 22, bearing wheel 23, deep groove ball bearing 24, gland 25, bolt 26, inner skeleton oil blanket 27, outer skeleton oil blanket 28, floating pivot 29 and axle sleeve 210 are constituteed.

In this embodiment, referring to fig. 1, 2, 3 and 4, a bearing wheel rotating shaft 22 and a floating rotating shaft 29 are provided on a mounting bracket 21, the floating rotating shaft 29 passes through the mounting bracket 21 and is located between the two bearing wheel rotating shafts 22, the floating rotating shaft 29 and the bearing wheel rotating shaft 22 are parallel to each other, the bearing wheel rotating shafts 22 are provided with two bearing wheel 23, two ends of the two bearing wheel rotating shafts 22 penetrate through front and rear ends of the mounting bracket 21 respectively, the mounting bracket 21 can move up and down along with the bearing wheel 23 in a balanced manner, the bearing wheel 23 keeps 2/3 overlapping ratio with the track 4 in the balanced movement process, the bearing wheel 23 is made of polymer nylon, when the balanced movement angle of the bearing wheel 23 is larger, the deformation of the track 4 is larger, the inner side of the middle shaft hole of the bearing wheel 23 is provided with an inner frame oil seal 27, the outer side of the middle shaft hole of the bearing wheel 23 is provided with an outer side groove, wherein the outer side groove is provided with an outer skeleton oil seal 28, the bearing wheel rotating shaft 22 passes through the shaft hole from the inner side groove of the bearing wheel 23 and stretches into an installation bearing at the outer side of the shaft hole, the inner skeleton oil seal 27 and the bearing wheel rotating shaft 22 form an inner side oil seal structure, the outer skeleton oil seal 28 and the bearing wheel rotating shaft 22 form an outer side oil seal structure, a deep groove ball bearing 24 is arranged between the inner side groove and the outer side groove of the bearing wheel 23, the deep groove ball bearing 24 is positioned at the circumferential direction of the bearing wheel rotating shaft 22, the outer side of the shaft hole is also provided with a gland 25 and positioned between the framework of the bearing wheel 23 and the installation bearing, the outer side of the installation bearing is provided with a gland 25 through a bolt 26 to compress the seal, the gland 25 is tangent with the end surface of the bearing wheel rotating shaft 22, a shaft sleeve 210 is rotationally connected with the installation support 21, and the shaft sleeve 210 is used for installing the balance bearing wheel structure on a chassis, and is rotatable about the chassis.

Working principle: when the device is used, the two bearing wheel rotating shafts 22 and the floating rotating shaft 29 are arranged on the mounting support 21, the bearing wheel rotating shaft 22 comprises a first bearing wheel rotating shaft penetrating through the mounting support 21 and arranged at one end of the mounting support, a second bearing wheel rotating shaft penetrating through the mounting support and arranged at the other end of the mounting support 21, the bearing wheels 23 are respectively arranged at two ends of the two bearing wheel rotating shafts 22, the bearing wheels 23 at the same side of the two bearing wheel rotating shafts 22 are respectively front and rear bearing wheels, the floating rotating shaft 29 penetrates through the mounting support 21 and is positioned between the two bearing wheel rotating shafts 22, the shaft sleeves 210 are respectively arranged at two ends of the floating rotating shaft 29, and the shaft sleeves 210 are positioned between the front bearing wheels 23 and the rear bearing wheels 23, so that the front bearing wheel 23 and the rear bearing wheel 23 at the same side of the bearing wheel rotating shaft 22 rotate around the shaft sleeves 210. In the running on special road surface, there is no concern about the influence of dust entering the bearing, and the stability and practicality are higher, thus having certain popularization value.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a balanced bearing wheel crawler belt running gear, includes balanced bearing wheel structure (2) and track (4), its characterized in that: the balance bearing wheel structure (2) is installed on the crawler belt (4) and is rotationally connected with the chassis, the driving wheel (3) is installed on one side of the inside of the crawler belt (4), the tensioning device (5) is installed on the inside of the crawler belt (4) and located on the upper side of the balance bearing wheel structure (2), the tensioning device (5) is installed on one side, far away from the driving wheel (3), of the balance bearing wheel structure (2), the balance bearing wheel structure (2) comprises a mounting bracket (21), a bearing wheel rotating shaft (22), a bearing wheel (23), a deep groove ball bearing (24), a gland (25), bolts (26), an inner framework oil seal (27), an outer framework oil seal (28), a floating rotating shaft (29) and a shaft sleeve (210).

2. The balanced load-bearing wheel crawler belt running gear according to claim 1, wherein: the bearing wheel rotating shafts (22) and the floating rotating shafts (29) are arranged on the mounting support (21), the floating rotating shafts (29) penetrate through the mounting support (21) and are located between the two bearing wheel rotating shafts (22), and the floating rotating shafts (29) and the bearing wheel rotating shafts (22) are arranged in parallel.

3. The balanced load-bearing wheel crawler belt running gear according to claim 1, wherein: the bearing wheel rotating shafts (22) are provided with two in total, two bearing wheels (23) are respectively arranged at the front end and the rear end of the mounting bracket (21) in a penetrating mode, the mounting bracket (21) can move up and down along with the bearing wheels (23), 2/3 contact ratio is kept between the bearing wheels (23) and the crawler belt (4) in the balancing movement process, the material of the bearing wheels (23) is high-molecular nylon, and the deformation of the crawler belt (4) is larger as the balance movement angle of the bearing wheels (23) is larger.

4. A balanced load-bearing wheel crawler belt assembly as in claim 3 wherein: the inside in shaft hole is equipped with inboard recess in the middle of bearing wheel (23), and wherein inboard recess is equipped with inner frame oil blanket (27), the outside in shaft hole is equipped with outside recess in the middle of bearing wheel (23), and wherein outside recess is equipped with outer frame oil blanket (28), bearing wheel pivot (22) by the inboard recess in bearing wheel (23) passes in the shaft hole and stretches into on the installation bearing in the shaft hole outside, inner frame oil blanket (27) with bearing wheel pivot (22) form inboard oil blanket structure, outer frame oil blanket (28) with bearing wheel pivot (22) form outside oil blanket structure, be equipped with deep groove ball bearing (24) between the inboard recess and the outside recess of bearing wheel (23), just deep groove ball bearing (24) are located the circumference of bearing wheel pivot (22), the outside in shaft hole still is equipped with gland (25), and be located between bearing wheel (23) skeleton and the installation bearing, installation bearing outside is through bolt (26) installation gland (25) compress tightly sealing, gland (25) with the terminal surface tangency of bearing wheel pivot (22).

5. The balanced load-bearing wheel crawler belt running gear according to claim 1, wherein: the shaft sleeve (210) is rotatably connected with the mounting bracket (21), and the shaft sleeve (210) is used for mounting the balance bearing wheel structure on the chassis and can rotate around the chassis.