CN111661183B

CN111661183B - Triangular crawler wheel and engineering vehicle

Info

Publication number: CN111661183B
Application number: CN202010353719.9A
Authority: CN
Inventors: 相辉玉; 梁康; 张勇
Original assignee: Construction Machinery Branch of XCMG
Current assignee: Jiangsu XCMG Construction Machinery Institute Co Ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2021-10-12
Anticipated expiration: 2040-04-29
Also published as: CN111661183A

Abstract

The invention relates to a triangular crawler wheel and an engineering vehicle, wherein the triangular crawler wheel comprises: a crawler belt; the driving wheel is arranged on the inner side of the crawler and is in transmission fit with the crawler; the support frame is arranged on the inner side of the crawler belt, connected with the driving wheel and used for bearing the driving wheel; heavy burden wheel subassembly, establish the inboard at the track, the heavy burden wheel subassembly includes the heavy burden wheel, the swing span, fixing base and fixed pin axle, the heavy burden wheel cooperates with the track transmission that is in the bottom, the swing span is installed on the support frame and can is swung around the first axis, the first axis is parallel with the axis of heavy burden wheel, the fixing base is installed on the swing span and can be rotated around the second axis, the second axis extends and the first axis of perpendicular to along the horizontal direction, fixed pin axle extends and rotationally installs on the fixing base along vertical direction, the heavy burden wheel is connected with the fixed pin axle, so that the heavy burden wheel swings around the third axis that extends along vertical direction. The loading wheel of the triangular crawler wheel can swing with multiple degrees of freedom, and the capability of the triangular crawler wheel to adapt to complex terrains is 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 disaster emergency rescue equipment in China has the defects of serious technical level lag, single function and low specialization degree, so that the rescue is not timely and the efficiency is low. Especially, the mobility of emergency rescue equipment is seriously restricted by complicated topographic and geological conditions after disasters, and precious rescue time is lost.

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 driving wheel is arranged on the inner side of the crawler and is in transmission fit with the crawler;

the support frame is arranged on the inner side of the crawler belt, connected with the driving wheel and used for bearing the driving wheel;

heavy burden wheel subassembly, establish the inboard at the track, the heavy burden wheel subassembly includes the heavy burden wheel, the swing span, fixing base and fixed pin axle, the heavy burden wheel cooperates with the track transmission that is in the bottom, the swing span is installed on the support frame and can is swung around the first axis, the first axis is parallel with the axis of heavy burden wheel, the fixing base is installed on the swing span and can be rotated around the second axis, the second axis extends and the first axis of perpendicular to along the horizontal direction, fixed pin axle extends and rotationally installs on the fixing base along vertical direction, the heavy burden wheel is connected with the fixed pin axle, so that the heavy burden wheel swings around the third axis that extends along vertical direction.

In some embodiments, a swing frame comprises:

a first pin shaft hole configured to allow a first pin shaft connecting the swing frame and the support frame to pass through; and

and the second pin shaft hole is configured to allow a second pin shaft arranged on the fixed seat to pass through so that the fixed seat is installed on the swing frame.

In some embodiments, a swing frame comprises:

the two vertical plates are arranged along the width direction of the loading wheel and are used for arranging a first pin shaft hole on the loading wheel; and

and the bent plate is arranged between the two vertical plates, connects the two vertical plates together and is used for arranging a second pin shaft hole on the bent plate.

In some embodiments, the bogie wheel assembly further comprises a first damping spring member disposed between the fixed pin and the fixed seat.

In some embodiments, the bogie wheel assembly further comprises a second damping spring member disposed between the swing frame and the fixed seat.

In some embodiments, the holder comprises:

the two plate-shaped components are arranged side by side along the vertical direction, and third pin shaft holes allowing the fixed pin shafts to penetrate through are formed in the plate-shaped components; and

and the connecting plate is connected between the two plate-shaped parts and is connected with the second pin shaft.

In some embodiments, a first buffering elastic component is arranged between the connecting plate and the fixed pin shaft.

In some embodiments, a limiting cylinder is arranged on one side of the connecting plate adjacent to the fixed pin shaft, and the first buffering elastic component is sleeved on the limiting cylinder.

In some embodiments, a second damping spring is disposed between the attachment plate and the swing frame.

In some embodiments, the fixing pin is fixedly connected with the plate-shaped member, one end of the fixing pin is provided with a connecting portion protruding in a radial direction of the fixing pin, and the connecting portion and the plate-shaped member are connected together by the first bolt.

In some embodiments, the front and rear ends of the swing frame are provided with second pin shaft holes, and an operation space is provided between the second pin shaft holes provided at the front and rear ends of the swing frame.

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

By applying the technical scheme of the invention, the bogie wheel of the triangular crawler wheel can swing in multiple degrees of freedom, 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 the technical solutions in the related art, the drawings needed to be used in the description of the embodiments or the related art will be briefly introduced below, 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 perspective view of the bogie wheel assembly of the v-track wheel of an embodiment of the present invention;

FIG. 4 illustrates a cross-sectional structural view of the bogie assembly of the invention showing the triangular track wheel of an embodiment of the invention;

FIG. 5 shows an enlarged partial view of a schematic cross-sectional structural view of the bogie assembly of the v-track wheel of an embodiment of the present invention;

FIG. 6 is a schematic cross-sectional view of the swing frame of the bogie assembly of the v-track wheel of the embodiment of the present invention;

FIG. 7 is a side view schematic of the swing frame of the bogie assembly of the v-track wheel of the embodiment of the present invention;

FIG. 8 shows a cross-sectional structural view at A-A of the swing frame of the bogie assembly of the v-track wheel of an embodiment of the present invention;

FIG. 9 is a schematic view showing the structure of the holder of the bogie wheel assembly of the v-crawler according to the embodiment of the present invention;

fig. 10 shows a schematic view of the structure of the first cushioning spring member of the bogie assembly of the embodiment of the present invention.

In the figure:

1. a crawler belt; 2. a drive wheel; 3. a support frame; 4. a guide wheel; 5. a load bearing wheel assembly; 51. a loading wheel; 52. a swing frame; 521. bending a plate; 522. a reinforcing plate; 523. a sleeve; 524. a vertical plate; 525. a pin bush; 53. a fixed seat; 531. a second pin shaft; 532. a threaded segment; 533. a limiting cylinder; 534. a threaded hole; 535. a third pin shaft hole; 536. a third axis; 537. a second axis; 538. a plate-like member; 539. a connecting plate; 54. fixing a pin shaft; 55. a first bolt; 56. a first cushion elastic member; 561. mounting holes; 57. a second cushion elastic member; 58. a second fixing plate; 59. a nut; 6. a tension wheel; 7. a first pin shaft; 8. a first fixing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 shows a front view structural diagram of the triangular crawler wheel of the embodiment. Referring to fig. 1 and 2, the v-track wheel of the present embodiment includes a track 1, a driving wheel 2, a support frame 3, and a bogie wheel assembly 5.

Wherein, the driving wheel 2 is arranged at the inner side of the crawler 1 and is in transmission fit with the crawler 1. The support frame 3 is arranged on the inner side of the crawler 1 and connected with the driving wheel 2 to bear the driving wheel 2. The bogie wheel assembly 5 is provided on the inside of the track 1 and mounted on the support frame 3.

The triangular crawler wheel also comprises a guide wheel 4 which is arranged on the inner side of the crawler 1 and is in transmission fit with the crawler 1, and a tension wheel 6 which is arranged on the inner side of the crawler 1.

The weight bearing wheel assembly 5 is connected with the support frame 3 through a first pin shaft 7, wherein the first pin shaft 7 is parallel to the axial direction of the driving wheel 2. The bogie wheel assembly 5 is pivotable relative to the support frame 3 about a first pivot 7, i.e. the bogie wheel assembly 5 is pivotable about the Z-axis. Wherein the Z axis is perpendicular to the surface formed by the X axis and the Y axis. The X-axis is perpendicular to the Y-axis.

One end of the first pin 7 is further provided with a first fixing plate 8 to mount the first pin 7 on the support frame 3.

Fig. 3 shows a schematic structural view of the bogie assembly 5 of the present embodiment, fig. 4 shows a schematic structural sectional view of the bogie assembly 5 of the present embodiment, and fig. 5 shows a partially enlarged view of the bogie assembly 5 of the present embodiment. As shown in fig. 3 to 5, the bogie wheel assembly 5 includes a bogie wheel 51, a swing frame 52, a fixed seat 53 and a fixed pin 54, and the bogie wheel 51 is in driving engagement with the track 1 at the bottom.

The swing frame 52 is mounted on the support frame 3 and is swingable about a first axis parallel to the axis of the bogie wheel 51. The first axis is oriented in the Z-axis direction.

As shown in connection with figures 1 to 4 and 9. The fixed seat 53 is mounted on the swing frame 52 and is rotatable about a second axis 537. The second axis 537 extends in a horizontal direction and is perpendicular to the first axis.

The second axis is oriented along the X-axis.

The fixed pin 54 extends in the vertical direction and is rotatably mounted on the fixed base 53, and the road wheel 51 is connected to the fixed pin 54 so that the road wheel 51 swings about a third axis 536 extending in the vertical direction. The direction of the third axis is the Y axis.

In summary, the bogie 51 of the v-track wheel of the present embodiment can swing with multiple degrees of freedom, which improves the ability of the v-track wheel to adapt to complex terrain, and is also beneficial to improving the passing performance of the v-track wheel.

Fig. 6 shows a schematic structural view of the swing frame 52 of the present embodiment, fig. 7 shows a schematic structural view of the swing frame 52 of the present embodiment from the side, fig. 8 shows a schematic structural view of a cross section at a-a of the swing frame 52, and fig. 9 shows a schematic structural view of the fixing base 53 of the present embodiment.

As shown in fig. 6 to 9, the swing frame 52 includes a first pin-shaft hole configured to allow the first pin shaft 7 connecting the swing frame 52 and the support frame 3 to pass through, and a second pin-shaft hole. The second pin hole is configured to allow the second pin 531 provided on the fixed base 53 to pass therethrough, so that the fixed base 53 is mounted on the swing frame 52. The second pin 531 is rotatable in the second pin hole so that the mount 53 is rotatable about the second axis 537.

Second pin shaft holes are formed in the front end and the rear end of the swing frame 52, and an operation space is formed between the second pin shaft holes formed in the front end and the rear end of the swing frame 52, so that an assembler can connect the fixed base 53 and the swing frame 52 together.

As shown in fig. 5, 6 and 9, a threaded section 532 is disposed at one end of the second pin 531, the threaded section 532 passes through the second pin hole, a nut 59 is connected to the threaded section 532, and a second fixing plate 58 is disposed between the nut 59 and the swing frame 52. The second pin 531 is sleeved with a pin bush 525. The pin boss 525 is disposed within the second pin bore. A sleeve 523 is sleeved in the first pin hole of the swing frame 52.

The front end and the rear end of the swing frame 52 are both connected with a fixed seat 53, each fixed seat 53 is connected with a fixed pin shaft 54, and each fixed pin shaft 54 is also connected with a loading wheel 51.

The swing frame 52 includes two vertical plates 524 and a bent plate 521 connected between the two vertical plates 524, the two vertical plates 524 are arranged side by side along the width direction of the bogie wheel 51 for providing a first pin hole thereon, and the bent plate 521 is disposed between the two vertical plates 524 and connects the two vertical plates 524 together for providing a second pin hole thereon.

In some embodiments, the bent plate 521 and the vertical plate 524 are integrally provided.

In some embodiments, the swing frame 52 further includes a reinforcement plate 522 connected between two riser plates 524.

The fixing base 53 includes two plate members 538 and a connecting plate 539, the two plate members 538 are arranged side by side in a vertical direction, the plate members 538 are provided with third pin shaft holes 535 for allowing the fixing pin shafts 54 to pass through, and the connecting plate 539 is connected between the two plate members 538 and connected with the second pin shafts 531. A threaded segment 532 is provided at an end of the second pin 531 remote from the connection plate 539.

As shown in fig. 4, 5 and 9, a first buffering elastic member 56 is disposed between the connection plate 539 and the fixing pin 54. One side of the connecting plate 539 adjacent to the fixed pin 54 is provided with a limiting cylinder 533, and the first buffer elastic component 56 is sleeved on the limiting cylinder 533. Fig. 10 shows a schematic structural view of the first buffer elastic member 56 of the present embodiment.

The limiting cylinder 533 is used for mounting the first buffering elastic component 56 and is matched with the mounting hole 561 on the first buffering elastic component 56 to limit the movement of the first buffering elastic component 56.

A second damping elastic member 57 is provided between the connecting plate 539 and the swing frame 52. The second buffer elastic member 57 can reduce friction and vibration of the bogie wheel 51.

The fixed pin 54 is fixedly connected to the plate member 538, one end of the fixed pin 54 is provided with a connecting portion protruding in a radial direction thereof, and the connecting portion and the plate member 538 are connected together by a first bolt 55. As shown in fig. 9, the plate member 538 of the fixing base 53 is further provided with a screw hole 534 adapted to the first bolt 55.

In some embodiments, the road wheel assembly 5 includes a shaft connected to the road wheel 51, the shaft being disposed coaxially with the road wheel 51, and one road wheel 51 being mounted on each end of the shaft. The shaft is provided with a shaft hole for allowing the fixing pin 54 to pass through, and the fixing pin 54 is inserted into the shaft hole. The shaft is clamped between the two plate members 538 of the holder 53.

According to another aspect of the invention, the engineering vehicle is further provided, and the vehicle comprises the triangular crawler wheel. The engineering vehicle is provided with the rubber crawler suitable for high speed heavy load, the self-adaptive bogie wheels can realize the swing of multiple degrees of freedom, the self-adaptive bogie wheels can be adjusted along with the swing and the deformation of the rubber crawler, the adaptability of the complex terrain of the tracked vehicle is improved, and the off-road capability of the triangular tracked vehicle is further improved.

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);

the driving wheel (2) is arranged on the inner side of the crawler belt (1) and is in transmission fit with the crawler belt (1);

the support frame (3) is arranged on the inner side of the crawler (1), is connected with the driving wheel (2) and is used for bearing the driving wheel (2);

the heavy weight wheel assembly (5) is arranged on the inner side of the crawler belt (1), the heavy weight wheel assembly (5) comprises a heavy weight wheel (51), a swinging frame (52), a fixed seat (53) and a fixed pin shaft (54), the heavy weight wheel (51) is in transmission fit with the crawler belt (1) at the bottom, the swinging frame (52) is installed on the supporting frame (3) and can swing around a first axis, the first axis is parallel to the axis of the heavy weight wheel (51), the fixed seat (53) is installed on the swinging frame (52) and can rotate around a second axis (537), the second axis (537) extends along the horizontal direction and is perpendicular to the first axis, the fixed pin shaft (54) extends along the vertical direction and is rotatably installed on the fixed seat (53), the heavy weight wheel (51) is connected with the fixed pin shaft (54) so that the heavy weight wheel (51) can swing around a third axis (536) extending along the vertical direction,

the swing frame (52) includes:

a first pin shaft hole configured to allow a first pin shaft (7) connecting the swing frame (52) and the support frame (3) to pass through; and

a second pin shaft hole configured to allow a second pin shaft (531) provided on the fixing base (53) to pass therethrough so that the fixing base (53) is mounted on the swing frame (52),

the holder (53) includes:

two plate-shaped parts (538) which are arranged side by side in the vertical direction, wherein a third pin shaft hole (535) allowing the fixed pin shaft (54) to pass through is arranged on each plate-shaped part (538); and

and the connecting plate (539) is connected between the two plate-shaped components (538) and is connected with the second pin shaft (531).

2. The v-wheel according to claim 1, wherein said swing frame (52) comprises:

two vertical plates (524) which are arranged along the width direction of the loading wheel (51) and are used for arranging the first pin shaft holes on the loading wheel; and

and the bent plate (521) is arranged between the two vertical plates (524) and connects the two vertical plates (524) together, and is used for arranging the second pin shaft hole on the bent plate.

3. The v-wheel according to claim 1, wherein said weight wheel assembly (5) further comprises a first damping elastic member (56) interposed between said fixed pin (54) and said fixed seat (53).

4. The v-wheel according to claim 1, wherein said weight wheel assembly (5) further comprises a second damping elastic member (57) interposed between said oscillating frame (52) and said fixed seat (53).

5. The v-wheel according to claim 1, characterized in that a first damping spring (56) is arranged between said connecting plate (539) and said fixed pin (54).

6. The triangular track wheel according to claim 5, wherein a side of the connecting plate (539) adjacent to the fixed pin (54) is provided with a limiting cylinder (533), and the first buffer elastic member (56) is fitted over the limiting cylinder (533).

7. The v-wheel according to claim 1, wherein a second damping spring (57) is arranged between the link plate (539) and the oscillating frame (52).

8. The v-wheel according to claim 1, wherein said fixing pin (54) is fixedly connected to said plate-like member (538), one end of said fixing pin (54) being provided with a connecting portion projecting in a radial direction thereof, said connecting portion and said plate-like member (538) being connected together by a first bolt (55).

9. The v-wheel according to claim 1, wherein the second pin hole is provided at each of front and rear ends of the swing frame (52), and an operation space is provided between the second pin holes provided at the front and rear ends of the swing frame (52).

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