CN111661182A

CN111661182A - Triangular crawler wheel and engineering vehicle

Info

Publication number: CN111661182A
Application number: CN202010353678.3A
Authority: CN
Inventors: 相辉玉; 梁康; 张勇
Original assignee: Construction Machinery Branch of XCMG
Current assignee: Construction Machinery Branch of XCMG
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-09-15

Abstract

The invention relates to a triangular crawler wheel and an engineering vehicle, wherein the triangular crawler wheel comprises: a crawler belt (1); a support frame (2) arranged on the inner side of the crawler belt (1); the driving wheel (9) is arranged at the top end of the support frame (2) and is in transmission fit with the crawler belt (1); the two tensioning wheel assemblies (4) are respectively installed at the front end and the rear end of the bottom of the support frame (2) and are in transmission fit with the crawler belt (1), and both the two tensioning wheel assemblies (4) can swing in a vertical plane relative to the support frame (2) so as to adjust the front inclination angle and the rear inclination angle of the triangular crawler belt wheel. By applying the technical scheme of the invention, the forward inclination angle and the backward inclination angle of the triangular crawler wheel can be adjusted, and the shape of the triangular crawler wheel can be changed according to the terrain, so that the capability of the triangular crawler wheel for adapting to complex terrain is improved, and the passing performance of the triangular crawler wheel is also improved.

Description

Triangular crawler wheel and engineering vehicle

Technical Field

The invention relates to the field of engineering mechanical equipment, in particular to a triangular crawler wheel and an engineering vehicle.

Background

China is wide in territory, and disasters such as fire disasters, flood disasters, snow disasters, earthquakes and the like frequently occur. However, the technical level of the disaster emergency rescue equipment in China is seriously lagged, the function is single, the specialization degree is low, and the rescue is not timely and the efficiency is low. Especially, the complex terrain and geological conditions after the disaster severely restrict the maneuvering performance of the emergency rescue equipment.

Disclosure of Invention

The invention aims to provide a crawler wheel and an engineering vehicle which are beneficial to adapting to complex terrain.

According to an aspect of the present invention, there is provided a v-wheel comprising:

a crawler belt;

the support frame is arranged on the inner side of the crawler;

the driving wheel is arranged at the top end of the supporting frame and is in transmission fit with the crawler;

the two tensioning wheel assemblies are respectively arranged at the front end and the rear end of the bottom of the support frame and are in transmission fit with the track, and the two tensioning wheel assemblies can swing in a vertical plane relative to the support frame so as to adjust the front inclination angle and the rear inclination angle of the triangular track wheel.

In some embodiments, the v-track wheel further comprises:

the first end of the rotary hydraulic cylinder is hinged with the support frame, and the second end of the rotary hydraulic cylinder is connected with the tensioning wheel assembly and used for driving the tensioning wheel assembly to rotate around a rotating axis parallel to the axis of the driving wheel relative to the support frame;

and the first end of the adjusting hydraulic cylinder is hinged with the supporting frame, and the second end of the adjusting hydraulic cylinder is connected with the tensioning wheel assembly and used for adjusting the distance between the supporting frame and the tensioning wheel.

In some embodiments, the adjustment cylinder extends in a horizontal direction when the bottom edge of the triangular track wheel is in a horizontal state.

In some embodiments, the rotary hydraulic cylinder and the adjusting hydraulic cylinder are arranged in a V-shape, with the tip of the V-shape facing the tension wheel assembly.

In some embodiments, the second end of the adjusting hydraulic cylinder is fixedly connected to the tensioning wheel assembly and is hinged to the rotating hydraulic cylinder by a pin.

In some embodiments, the tensioner assembly includes an axle connected to the rotary hydraulic cylinder and the adjustment hydraulic cylinder and a tensioner mounted at both ends of the axle.

In some embodiments, the device further comprises a bogie wheel assembly, wherein the bogie wheel assembly is arranged on the supporting frame and can swing around a rotation axis parallel to the axis of the driving wheel.

In some embodiments, the road wheel assembly comprises:

the swinging frame is arranged on the supporting frame and can swing around a rotating axis parallel to the axis of the driving wheel; and

and the loading wheel is arranged on the swing frame and is in transmission fit with the crawler.

In some embodiments, the bogie wheel assembly further comprises an axle, the axle and the bogie wheel are mounted on both ends of the axle, and the axle is mounted on the swing frame and can swing around a rotation axis which extends along the horizontal direction and is perpendicular to the axle relative to the swing frame.

According to another aspect of the invention, a work vehicle is also provided, which comprises the triangular crawler wheel.

By applying the technical scheme of the invention, both the front inclination angle and the rear inclination angle of the triangular crawler wheel can be adjusted, and the shape of the triangular crawler wheel can be changed according to the terrain, so that the capability of the triangular crawler wheel for adapting to complex terrain is improved, and the passing performance of the triangular crawler wheel is also improved.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or technical solutions in related arts, the drawings used in the description of the embodiments or related arts will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 illustrates a perspective view of a triangular track wheel according to an embodiment of the present invention;

FIG. 2 illustrates a front view structural schematic of a triangular track wheel of an embodiment of the present invention;

FIG. 3 illustrates a cross-sectional structural view at A-A of the triangular track wheel of an embodiment of the present invention;

FIG. 4 illustrates a structural schematic view of a forward leaning, backward leaning track cam wheel of an embodiment of the present invention;

FIG. 5 illustrates a schematic structural view of the interior of the triangular track wheel of an embodiment of the present invention;

FIG. 6 shows a schematic view of a knot of the triangular track wheel in a horizontal state of an embodiment of the present invention;

FIG. 7 shows a schematic view of a knot of the triangular track wheel in a forward leaning state of an embodiment of the present invention;

FIG. 8 illustrates a schematic view of a knot of the triangular track wheel in a reclined state in accordance with an embodiment of the present invention;

FIG. 9 illustrates a schematic view of a knot of a triangular crawler wheel in a forward leaning and backward leaning state of an embodiment of the present invention;

FIG. 10 is a schematic view showing a structure of a rotary hydraulic cylinder of the triangular crawler wheel according to the embodiment of the present invention;

FIG. 11 illustrates a schematic structural view of an adjusting cylinder of the triangular track wheel of the embodiment of the present invention;

FIG. 12 illustrates a schematic diagram of a control system for the triangular track wheel of an embodiment of the present invention;

FIG. 13 shows a schematic structural view of the bogie wheel assembly of the v-track wheel of an embodiment of the present invention; and

FIG. 14 shows an exploded view of the bogie assembly of the triangular track wheel of an embodiment of the present invention.

In the figure:

1. a crawler belt; 2. a support frame; 3. a rotary hydraulic cylinder; 31. a first cylinder; 32. a first piston rod; 4. a tension wheel assembly; 5. adjusting a hydraulic cylinder; 51. a second cylinder; 52. a second piston rod; 53. a third hinge; 6. a load bearing wheel assembly; 61. a swing frame; 62. a load wheel; 63. a fourth pin shaft; 64. a fourth bolt; 65. a pin shaft hole; 66. a wheel axle; 7. a first pin shaft; 8. a first bolt; 9. a drive wheel; 10. a third pin shaft; 11. a third bolt; 12. A second pin shaft; 13. a second bolt; 14. and (7) a pin shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

FIG. 1 is a schematic perspective view of a triangular crawler wheel according to the present embodiment; FIG. 2 is a front view schematically illustrating the triangular crawler wheel according to the present embodiment; fig. 3 shows a schematic sectional structure view at a-a of the triangular crawler wheel of the present embodiment.

As shown in fig. 1 to 3, the triangular crawler wheel of the present embodiment includes a crawler 1, a support frame 2, and two tensioning wheel assemblies 4, the support frame 2 being disposed inside the crawler 1; the driving wheel 9 is arranged at the top end of the support frame 2 and is in transmission fit with the crawler 1; two take-up pulley assemblies 4 are respectively installed at the front end and the rear end of the bottom of the support frame 2 and are in transmission fit with the crawler 1, and the two take-up pulley assemblies 4 can swing in a vertical plane relative to the support frame 2 so as to adjust the front inclination angle and the back inclination angle of the triangular crawler wheel.

As shown in fig. 4, the rake angle a: an included angle is formed between the front side of the triangular crawler belt and the ground in the running direction of the vehicle; back rake angle b: the included angle formed between the rear side of the triangular crawler belt and the ground in the running direction of the vehicle. The direction of the arrow in fig. 4 represents the advancing direction of the triangular crawler wheel.

As shown in fig. 1 to 5, the v-wheel further includes a rotary hydraulic cylinder 3 and a regulating hydraulic cylinder 5. The first end of rotary hydraulic cylinder 3 is articulated with support frame 2, and the second end of rotary hydraulic cylinder 3 is connected with take-up pulley subassembly 4 for drive take-up pulley subassembly 4 rotates around the axis of rotation parallel with the axis of drive wheel 9 for support frame 2.

The first end of adjusting hydraulic cylinder 5 is articulated with support frame 2, and the second end of adjusting hydraulic cylinder 5 is connected with take-up pulley subassembly 4 for adjust the distance between support frame 2 and the take-up pulley subassembly 4.

In this embodiment, take-up pulley subassembly 4 is connected with support frame 2 through two pneumatic cylinders, makes the adjustment of the relative position of support frame 2 of take-up pulley subassembly 4 have more flexibility, and the triangle crawler wheel can be adjusted to more shapes, through adjusting the change to the multiple shape of triangle crawler wheel, realizes different topography condition ground pressure adjustment, improves the adaptability on the complicated ground of triangle crawler vehicle in-process of traveling, further improves the cross-country ability of triangle crawler vehicle.

As shown in fig. 1 and 2, in the present embodiment, the first end of the rotary hydraulic cylinder 3 is connected to the support frame 2 through a first pin 7. The first pin 7 is fixed on the support frame 2 through a first bolt 8. The tip of first round pin axle 7 is provided with along its radial convex connecting portion, and connecting portion are attached on the surface of support frame 2 and are connected with support frame 2 through first bolt 8.

As shown in fig. 1 and 2, in the present embodiment, the first end of the adjusting hydraulic cylinder 5 is connected to the supporting frame 2 through a second pin 12. The second pin 12 is fixed on the support frame 2 by a second bolt 13.

In some embodiments, the adjusting hydraulic cylinder 5 extends in the horizontal direction when the bottom edge of the triangular track wheel is in the horizontal state, so as to adjust the distance between the tension wheel assembly 4 and the support frame 2 in the horizontal direction.

The rotary hydraulic cylinder 3 and the adjusting hydraulic cylinder 5 are arranged in a V shape, and the tip of the V shape faces the tension wheel assembly 4.

Fig. 10 shows a schematic structural diagram of the rotary hydraulic cylinder 3 of the present embodiment, and as shown in fig. 10, the rotary hydraulic cylinder 3 includes a first cylinder 31 and a first piston rod 31 that can extend out and retract into the first cylinder 31, the first cylinder 31 is provided with a first hinge, the piston rod 32 is provided with a second hinge, one of the first hinge and the second hinge is connected to the tensioning wheel assembly 4, and the other is connected to the supporting frame 2. The rotary hydraulic cylinders 3 respectively connected with the two tensioning wheel assemblies 4 are the same type of hydraulic cylinder.

Fig. 11 shows a schematic structural diagram of the adjusting hydraulic cylinder 5 of the present embodiment, and as shown in fig. 11, the adjusting hydraulic cylinder 5 includes a second cylinder body 51 and a second piston rod 52 capable of extending and retracting the second cylinder body 51, a third hinge 53 is provided on the second cylinder body 51, a fourth hinge is provided on the second piston rod 52, one of the third hinge 53 and the fourth hinge is connected to the tensioning wheel assembly 4, and the other is connected to the supporting frame 2.

As shown in fig. 3, the second end of the adjusting hydraulic cylinder 5 is fixedly connected with the tensioning wheel assembly 4 through a bolt, and is hinged with the rotating hydraulic cylinder 3 through a pin 14.

FIG. 6 is a schematic view showing a knot of the triangular crawler wheel of the present embodiment in a horizontal state; fig. 7 shows a schematic view of a knot of the v-wheel of the present embodiment in a forward tilted state; FIG. 8 is a schematic view of the knot of the triangular track wheel of the present embodiment in a reclined position; fig. 9 shows a schematic view of a knot of the triangular crawler wheel of the present embodiment in a forward-inclined and backward-inclined state.

As shown in fig. 3 and 5, the tension pulley assembly 4 includes a wheel shaft connected to the rotary cylinder 3 and the adjusting cylinder 5, and tension pulleys mounted on both ends of the wheel shaft. The rotary hydraulic cylinder 3 and the adjusting hydraulic cylinder 5 adjust the position of the tension wheel by adjusting the position of the wheel shaft, so that the shape of the triangular track wheel is adjusted.

FIG. 12 illustrates a schematic diagram of a control system for the triangular track wheel of an embodiment of the present invention; the operator (operator) adjusts the operation knob, the length change of the oil cylinder is adjusted through the control module, the length change is converted into the inclination angle of the triangular crawler belt and is fed back to the operator (operator), and finally the inclination angle adjustment of the triangular crawler belt is achieved, namely the changes of the horizontal, forward-leaning, backward-leaning, forward-leaning and the like of the triangular crawler belt are achieved.

As shown in fig. 1 and 2, the v-wheel further comprises a bogie wheel assembly 6, the bogie wheel assembly 6 being mounted on the support frame 2 and being swingable about an axis of rotation parallel to the axis of the drive wheel 9.

As shown in fig. 13 and 14, the bogie wheel assembly 6 includes a swing frame 61 and a bogie wheel 62, the swing frame 61 being mounted on the support frame 2 and being swingable about a rotation axis parallel to the axis of the drive wheel 9; the bogie wheels 62 are mounted on the swing frame 61 and are in driving engagement with the tracks 1.

As shown in fig. 1, 2, 13 and 14, the swing frame 61 is connected to the support frame 2 by a third pin 10. The third pin 10 is fixed on the support frame 2 by a third bolt 11. The third pin shaft 10 is parallel to the axis of the drive wheel 9 so that the swing frame 61 can swing about a rotation axis parallel to the axis of the drive wheel 9. The swing frame 61 is provided with a pin shaft hole 65 adapted to the third pin shaft 10.

The bogie wheel assembly 6 further comprises an axle 66, the axle 66 and the bogie wheels 62 are mounted on both ends of the axle 66, and the axle 66 is mounted on the swing frame 61 and can swing relative to the swing frame 61 around a rotation axis extending in the horizontal direction and perpendicular to the axle 66.

The bogie wheel assembly further comprises a fourth pin 63, the axle 66 being mounted on the swing frame 61 by means of the fourth pin 63, the fourth pin 63 extending in a horizontal direction and perpendicular to the axle, such that the axle 66 can swing relative to the swing frame 61 about an axis of rotation extending in the horizontal direction and perpendicular to the axle 66. The fourth pin 63 is fixed to the axle 66 by a fourth bolt 64.

According to another aspect of the invention, a work vehicle is also provided, and the work vehicle further comprises the triangular crawler wheel.

The present invention is not limited to the above exemplary embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A v-wheel, comprising:

a crawler belt (1);

a support frame (2) arranged on the inner side of the crawler belt (1);

the driving wheel (9) is arranged at the top end of the support frame (2) and is in transmission fit with the crawler belt (1);

the two tensioning wheel assemblies (4) are respectively installed at the front end and the rear end of the bottom of the support frame (2) and are in transmission fit with the crawler belt (1), and both the two tensioning wheel assemblies (4) can swing in a vertical plane relative to the support frame (2) so as to adjust the front inclination angle and the rear inclination angle of the triangular crawler belt wheel.

2. The v-wheel of claim 1, further comprising:

a rotary hydraulic cylinder (3) with a first end hinged with the supporting frame (2) and a second end connected with the tensioning wheel assembly (4) and used for driving the tensioning wheel assembly (4) to rotate around a rotation axis parallel to the axis of the driving wheel (9) relative to the supporting frame (2);

and the first end of the adjusting hydraulic cylinder (5) is hinged with the supporting frame (2), and the second end of the adjusting hydraulic cylinder is connected with the tensioning wheel assembly (4) and is used for adjusting the distance between the supporting frame (2) and the tensioning wheel assembly (4).

3. The v-wheel according to claim 2, wherein the adjusting cylinder (5) extends in a horizontal direction when the bottom edge of the v-wheel track is in a horizontal state.

4. The V-wheel according to claim 2, characterized in that said rotating hydraulic cylinder (3) and said adjusting hydraulic cylinder (5) are arranged in a V-shape, the tip of said V-shape facing said tension wheel assembly (4).

5. The v-wheel according to claim 2, wherein the second end of the adjusting cylinder (5) is fixedly connected to the tension wheel assembly (4) and is articulated to the rotary cylinder (3) by means of a pin (14).

6. The v-wheel according to claim 2, wherein said tension wheel assembly (4) comprises a wheel axle connected to said rotary hydraulic cylinder (3) and said adjusting hydraulic cylinder (5) and tension wheels mounted at both ends of the wheel axle.

7. The v-wheel according to claim 1, further comprising a weight wheel assembly (6), said weight wheel assembly (6) being mounted on said supporting frame (2) and being oscillatable about an axis of rotation parallel to the axis of said driving wheel (9).

8. The v-wheel according to claim 7, wherein said load wheel assembly (6) comprises:

a swing frame (61) mounted on the support frame (2) and capable of swinging around a rotation axis parallel to the axis of the drive wheel (9); and

and the loading wheel (62) is arranged on the swinging frame (61) and is in transmission fit with the crawler belt (1).

9. The v-wheel according to claim 8, wherein the bogie assembly (6) further comprises an axle (66), the axle (66) and the bogie (62) are mounted with the bogie (62) at both ends of the axle (66), the axle (66) being mounted on the swing frame (61) and being swingable relative to the swing frame (61) about a rotation axis extending in a horizontal direction and perpendicular to the axle (66).

10. A work vehicle comprising a v-wheel according to any one of claims 1 to 9.