CN213262667U

CN213262667U - Triangular crawler wheel with strong obstacle crossing capability

Info

Publication number: CN213262667U
Application number: CN202021967164.9U
Authority: CN
Inventors: 邓开忠
Original assignee: Ningbo Zhongning Hydraulic Co ltd
Current assignee: Ningbo Zhongning Hydraulic Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-05-25
Anticipated expiration: 2030-09-11

Abstract

The utility model provides a triangle athey wheel that obstacle-surmounting ability is strong. The triangular crawler wheel is arranged on the basis of the existing structure to improve a tensioning mechanism, so that the tensioning mechanism consists of an energy accumulator, an energy accumulator connecting block, a pressure gauge, a one-way valve, a hose, an oil cylinder seat, a swing guide assembly and a U-shaped bolt, the oil cylinder seat is fixed on a walking frame, one side of the oil cylinder is fixed on the oil cylinder seat through a pin shaft, the oil cylinder is of a single oil port structure, an oil port end is connected with an energy accumulator connecting piece through the hose, the pressure gauge is also fixed on the energy accumulator connecting piece, and the energy accumulator connecting block is fixed on the oil cylinder base through a bolt, the upper end of the swing guide assembly is used for inserting and fixing a cylinder shaft of the oil cylinder through a pin shaft, the lower end of the swing guide assembly is connected with the walking frame through a pin shaft, a wheel shaft is arranged at the middle side of the swing guide assembly, the wheel shaft is fixed through U-shaped bolts clamped on two bolt mounting bases, the wheel shaft is fixed on the swing guide assembly, and two tensioning guide wheels are sleeved at two ends of the wheel shaft respectively.

Description

Triangular crawler wheel with strong obstacle crossing capability

Technical Field

The utility model relates to a triangle athey wheel.

Background

The triangular crawler wheel is a mechanical structure for replacing tires, and can ensure that a vehicle runs on special road surfaces such as gravel, ice and snow, mud, wading and the like. The triangular crawler belt on the market at present comprises a rubber crawler belt, a walking frame, a driving wheel, a tensioning guide wheel, a tensioning mechanism, a guide wheel and a bearing wheel, wherein the walking frame is composed of a walking box beam and a tripod, the driving wheel, the tensioning guide wheel, the bearing wheel and the guide wheel are all fixed on the walking frame through wheel shafts, the driving wheel is installed at the top of the walking frame, the bearing wheel is installed at the bottom of the walking frame, the guide wheel and the tensioning guide wheel are installed at two ends of the bottom of the walking frame, the guide wheel is directly connected with the bottom of the walking frame through the wheel shafts, the tensioning guide wheel is connected with the tensioning mechanism through the wheel shafts, the tensioning mechanism is connected with the bottom of the walking frame, and the rubber crawler belt is sleeved on the outer sides of the driving wheel, the guide wheel, the tensioning guide wheel and the bearing wheel. The crawler wheels are commonly used on uneven road surfaces, so the obstacle crossing capability is an important performance index of the triangular crawler wheels, the obstacle crossing capability of the triangular crawler wheels on the market at present is limited, the requirement that the vehicles can be kept under the condition of bad terrain cannot be met, meanwhile, the oil leakage phenomenon can occur to a hydraulic system on the existing tensioning mechanism along with the increase of the service time of the triangular crawler wheels, the tensioning state between the rubber crawler and the wheel train can be gradually weakened, and finally, the crawler falls off and the crawler wheels are damaged if the situation is not found for a long time.

SUMMERY OF THE UTILITY MODEL

In view of the defect that current triangle athey wheel exists, the utility model aims to solve the technical problem that: the triangular crawler wheel with better buffering and shock absorbing effects is provided; and the triangular crawler wheel is convenient for observing the lubricating state.

In order to achieve the above object, according to one aspect of the present invention, the present invention is realized by the following technical measures: a triangular crawler wheel with high obstacle crossing capability comprises: a rubber track, a walking frame, a driving wheel, a tension guide wheel, a tension mechanism, a guide wheel and a bearing wheel,

the tensioning mechanism consists of an energy accumulator, a one-way valve, a hose, an oil cylinder seat, a swing guide assembly and a U-shaped bolt,

the oil cylinder base is fixed on the walking frame, one side of the oil cylinder is fixed on the oil cylinder base through a pin shaft, the oil cylinder is of a single oil port structure, an oil port end is connected with an energy accumulator through a hose,

the upper end of the swing guide assembly is used for inserting and fixing a cylinder shaft of the oil cylinder through a pin shaft, the lower end of the swing guide assembly is connected with the walking frame through the pin shaft, a wheel shaft is arranged on the middle side of the swing guide assembly and fixed through U-shaped bolts clamped on two bolt mounting seats, the wheel shaft is fixed on the swing guide assembly, and two tensioning guide wheels are sleeved at two ends of the wheel shaft respectively.

When the triangular crawler wheel encounters an obstacle, the obstacle extrudes the rubber crawler and the tension guide wheel and is influenced by pressure in the horizontal direction, the tension guide wheel pushes the swing guide assembly to enable the cylinder shaft of the oil cylinder to contract, hydraulic oil in the oil cylinder enters the energy accumulator through the hose and stores pressure energy into the energy accumulator, meanwhile, the upper end of the swing guide assembly is pulled by the cylinder shaft, the whole assembly moves upwards, the assembly drives the middle wheel shaft to move upwards, the tension guide wheel sleeved on the wheel shaft moves upwards in the whole position, and therefore the triangular crawler wheel can easily climb over the obstacle.

Furthermore, a groove is formed in the left side of the swing guide assembly, a convex surface is arranged in the middle of the wheel shaft, and the convex surface is matched with the groove to ensure that the wheel shaft is axially fixed.

Furthermore, all be equipped with the trunnion on the round pin axle.

Furthermore, the triangular crawler wheel further comprises an energy accumulator connecting block, the energy accumulator connecting block is fixed on the oil cylinder seat through bolts, the energy accumulator connecting block is a cube, communicating holes are formed in the centers of the upper face, the front face, the left face and the right face of the energy accumulator connecting block, a pressure gauge is arranged at the communicating hole in the front side face, the communicating hole in the left side face is connected with a hose through a connector, the communicating hole in the right side face is connected with the energy accumulator through a connector, and a one-way valve is arranged in the communicating hole in the upper side face. The oil cylinder is filled with oil through the check valve arranged on the energy accumulator connecting block, hydraulic oil enters the oil cylinder through the hose, and the pressure gauge on the connecting block can observe the oil pressure condition of the hydraulic system of the tensioning mechanism in real time.

Further, an instrument cover is arranged on the outer side of the pressure gauge.

Compared with the prior art, the utility model has the advantages of: the obstacle-crossing capability is greatly improved, the hydraulic system is more suitable for the field environment, the oil pressure condition of the hydraulic system can be conveniently observed, and oil can be prevented from being supplemented in time after oil leakage.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:

fig. 1 is a schematic view of a triangular crawler wheel with strong obstacle crossing capability of the present invention.

Fig. 2 is a schematic structural view of the swing guide assembly of the present invention.

Fig. 3 is a schematic structural diagram of the energy accumulator connecting block of the present invention.

Description of reference numerals: 1. a rubber track; 2. a walking frame; 3. a drive wheel; 4. tensioning guide wheels; 5. a tensioning mechanism; 6. a guide wheel; 7. a load-bearing wheel; 8. an accumulator; 9. an accumulator connecting block; 10. a pressure gauge; 11. a hose; 12. an oil cylinder; 13. a cylinder block; 14. a swing guide assembly; 15. a U-shaped bolt; 16. an instrument cover; 17. a trunnion; 18. a bolt mounting seat; 19. and (4) a groove.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "bottom", "top", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1, the present invention provides a triangular crawler wheel with strong obstacle-crossing capability, which has the same overall structure as the existing triangular crawler wheel, and is composed of a rubber crawler 1, a walking frame 2, a driving wheel 3, a tension guide wheel 4, a tension mechanism, a guide wheel 6 and a bearing wheel 7, the triangular crawler wheel tension mechanism provided by the present invention is composed of an energy accumulator 8, an energy accumulator connecting block 9, a pressure gauge 10, a check valve, a hose 11, an oil cylinder 12, a swing guide assembly 14 and a U-shaped bolt 15, the oil cylinder 12 is installed on an oil cylinder seat 13 on the walking frame 2 through a pin shaft and a trunnion 17, the oil cylinder 12 is of a single oil port structure, the oil port end is connected to the energy accumulator connecting block 9 through the hose 11, the energy accumulator connecting block 9 is also fixed on the oil cylinder seat 13 through a bolt, as described further with reference to fig. 2, bolt mounting seats 18 are fixed on the front and back sides of the, the upper end of the swing guide assembly 14 is inserted and fixed by a pin shaft for the cylinder shaft of the oil cylinder 12, the lower end of the swing guide assembly 14 is connected with the walking frame 2 by the pin shaft, the pin shaft is provided with a trunnion 17, the left side of the middle of the swing guide assembly 14 is provided with a groove 19, a wheel shaft is inserted in the groove 19, the middle part of the wheel shaft is a convex surface, the convex surface is matched with the groove 19 of the swing guide assembly 14 to ensure the axial fixation of the wheel shaft, the wheel shaft is fixed by a U-shaped bolt 15 clamped on two bolt mounting seats 18 to ensure the radial fixation of the shaft on the swing guide assembly 14, two ends of the wheel shaft are respectively sleeved with a tensioning guide wheel 4, the tensioning guide wheels 4 are fixed on the wheel shaft by a bearing and a screw, the description is continued with reference to fig. 3, the energy accumulator connecting block 9 is in a cubic structure, and the centers of the four upper, the pressure gauge 10 is arranged at the communicating hole on the front side, the meter cover 16 is arranged on the outer side of the pressure gauge 10, the communicating hole on the left side is connected with the hose 11 through a joint, the communicating hole on the right side is connected with the energy accumulator 8 through a joint, and the communicating hole on the upper side is provided with the check valve.

When the triangular crawler wheel is used, the driving wheel 3 of the triangular crawler wheel replaces a common wheel of a vehicle and is arranged on a wheel shaft, the wheel shaft rotates to drive the driving wheel 3 to rotate, the driving wheel 3 drives the rubber crawler 1 to rotate, the rubber crawler 1 drives the tension guide wheel 4, the guide wheel 6 and the bearing wheel 7 to rotate, so that the vehicle moves, the left side of the tension guide wheel 4 is the advancing direction of the triangular crawler wheel, when the triangular crawler wheel encounters an obstacle, the obstacle extrudes the rubber crawler 1 and the tension guide wheel 4 and is influenced by pressure in the horizontal direction, the tension guide wheel 4 pushes the swing guide assembly 14 to contract the cylinder shaft of the oil cylinder 12, hydraulic oil in the oil cylinder 12 enters the energy accumulator 8 through the hose 11 and the energy accumulator connecting block 9, so that pressure energy is stored in the energy accumulator 8, meanwhile, the upper end of the swing guide assembly 14 is pulled by the cylinder shaft, the whole swing guide assembly 14 moves upwards, the swing guide assembly 14 drives the, the integral position of the tensioning guide wheel 4 sleeved on the wheel shaft is moved upwards, so that the triangular crawler wheel can easily climb over an obstacle, when the triangular crawler wheel passes through the obstacle, the horizontal pressure of the tensioning guide wheel 4 disappears, the pressure in the energy accumulator 8 can enable the hydraulic oil in the energy accumulator 8 to return to the oil cylinder 12 through the energy accumulator connecting block 9 and the hose 11, the cylinder shaft of the oil cylinder 12 extends to push the swing guide assembly 14 to move downwards, the swing guide assembly 14 drives the wheel shaft to move downwards, the tensioning guide wheel 4 resets, through the design of the tensioning mechanism, the triangular crawler wheel can climb over a high obstacle when encountering the obstacle, the damping effect is achieved, meanwhile, the one-way valve on the energy accumulator connecting block 9 can inject oil into the oil cylinder 12, the hydraulic oil enters the oil cylinder 12 through the hose 11, the pressure gauge 10 on the energy accumulator connecting block 9 can observe the oil pressure condition of the hydraulic system of the tensioning mechanism in real time, oil is supplemented when the oil pressure is insufficient, the oil pressure is ensured to enable the rubber crawler 1 and the wheel train to be in the best tensioning state, and the triangular crawler wheel damage caused by the falling of the rubber crawler is avoided.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various changes and modifications 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

1. A triangular crawler wheel with high obstacle crossing capability comprises: a rubber track, a walking frame, a driving wheel, a tension guide wheel, a tension mechanism, a guide wheel and a bearing wheel,

2. The triangular crawler wheel with the high obstacle crossing capability according to claim 1, wherein a groove is formed in the left side of the swing guide assembly, a convex surface is formed in the middle of the wheel shaft, and the convex surface and the groove are matched to ensure that the wheel shaft is axially fixed.

3. The v-track wheel with high obstacle detouring capability according to claim 1, wherein trunnions are arranged on the pin shafts.

4. The v-track wheel with the high obstacle crossing capability according to any one of claims 1 to 3, wherein the v-track wheel further comprises an energy accumulator connecting block, the energy accumulator connecting block is fixed on the oil cylinder seat through a bolt, the energy accumulator connecting block is a cube, communication holes are formed in the centers of the front, the left and the right surfaces of the v-track wheel, a pressure gauge is arranged at the communication hole in the front side surface, the communication hole in the left side surface is connected with a hose through a joint, the communication hole in the right side surface is connected with an energy accumulator through a joint, and a check valve is arranged in the communication hole in the upper side surface.

5. The triangular track wheel with high obstacle crossing capability according to claim 4, wherein an instrument cover is arranged on the outer side of the pressure gauge.