CN216660083U

CN216660083U - Two-section type crawler belt walking mechanism for hilly and mountainous regions

Info

Publication number: CN216660083U
Application number: CN202120621870.6U
Authority: CN
Inventors: 王辉; 王峻; 傅杰; 刘莉滋
Original assignee: Chongqing Three Gorges University
Current assignee: Chongqing Three Gorges University
Priority date: 2021-03-27
Filing date: 2021-03-27
Publication date: 2022-06-03
Anticipated expiration: 2031-03-27

Abstract

The utility model provides a two-section type crawler travel mechanism for hilly and mountainous regions, which comprises a main frame, a rear frame, a front crawler, a rear crawler, a pull rod type hydraulic cylinder, a gasoline engine, a gearbox and a motor, wherein the main frame is provided with the gasoline engine, the gearbox and the front crawler; the two-section type double-power traveling mechanism has the advantages that the power of the two-section type double-power traveling mechanism is enhanced, in addition, the two-section type double-power traveling mechanism can be better suitable for the road surface of hilly and mountainous regions by adjusting the postures of the two sections of tracks, the shock absorption device can reduce the impact of the road surface, and the integral climbing and obstacle crossing capability is enhanced.

Description

Two-section type crawler belt walking mechanism for hilly and mountainous regions

Technical Field

The utility model relates to the field of cargo transportation, in particular to a crawler-type travelling mechanism suitable for hilly and mountainous regions.

Background

According to the difference of the arrangement and the wheel train of power transmission, the current walking type agricultural transportation mechanism is mainly divided into a tire type transportation mechanism and a single-section crawler type transportation mechanism. The tire type transportation mechanism is mainly used for the road with small straight gradient; the single-section crawler type conveying mechanism has certain gradient climbing capacity, but shows certain limitation for hilly and mountainous regions with large gradient and wide gully.

In hilly and mountain areas, the road surface of cultivated land has the characteristics of bumpiness and large gradient, so that the popularization and application of agricultural mechanical equipment in hilly and mountain areas are restricted by a plurality of factors, and the climbing and obstacle crossing capability of the agricultural mechanical equipment is improved, so that the problems can be effectively solved.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a two-section type crawler belt walking mechanism for hilly and mountainous regions, which can start double power when climbing and gully crossing are needed, and prevent slipping and side turning by adjusting the postures of two sections of crawler belts to enhance the contact area with the road surface.

In order to achieve the purpose, the utility model adopts the technical scheme that the two-section type crawler traveling mechanism for hilly and mountainous regions comprises a main frame, a rear frame, a front crawler, a rear crawler, a hydraulic system, a gasoline engine, a gearbox and a motor, wherein the gasoline engine and the gearbox are fixed on the main frame, the front crawler is arranged on two sides of the main frame, the main frame is connected with the rear frame through a connecting shaft and a pull rod type hydraulic cylinder, the pull rod type hydraulic cylinder can stretch out and draw back within a certain range, so that the rear frame can swing within a certain angle along the main frame, and the rear crawler is arranged on two sides of the rear frame.

Preferably, a front driving wheel, a driven wheel, a tensioning device and a damping device are arranged in the front crawler belt, the damping device is provided with a floating buffer support, a front spring damper and a front bearing wheel, the front floating buffer support is connected with the front spring damper through bolts, and the front floating buffer support and the front spring damper can swing at a certain angle; the tensioning device is provided with a front driven wheel at one end connected with the front driven wheel through a bolt, the tensioning and contraction of the crawler belt are controlled through the stroke changed by the bolt, and the front crawler belt rotates by means of power transmitted by the gasoline engine and the gearbox.

Preferably, a rear driving wheel, a driven wheel and a damping device are arranged in the rear crawler belt, the rear damping device is provided with a rear spring damper and a rear bearing wheel, a shaft is movably hinged in the rear damping device, and the rear crawler belt rotates by means of power transmitted by a motor on the rear frame.

Preferably, the front caterpillar band, the rear caterpillar band, the motor, the front driving wheel, the rear driving wheel, the front driven wheel, the rear driven wheel, the front caterpillar band transmission shaft, the rear caterpillar band transmission shaft, the pull rod type hydraulic cylinder, the motor fixing seat and the tensioning device are respectively in two groups and are respectively positioned on two sides of the main frame and the rear frame.

Preferably, the floating buffer support, the front spring shock absorber, the front bearing wheel, the rear spring shock absorber and the rear bearing wheel are four groups and are positioned on two sides of the main frame and the rear frame.

Preferably, the two sides of the pull rod type hydraulic cylinder are hinged through connecting shafts, the front and rear damping devices are connected with the frame fixing shaft, the floating buffer support and the front spring damper are hinged with the front bearing wheel, and the main frame is hinged with the rear frame connecting shaft.

The utility model has the advantages that: the two independent tracks are adopted, the postures of the two tracks are adjusted through a hydraulic system, the tracks at the two ends can swing at a certain angle according to the road surface condition, and in addition, the damping devices inside the tracks can enable the tracks to be in better contact with the uneven road surface. The front crawler belt is driven by a gasoline engine, the rear crawler belt is driven by a motor, the grounding area is increased by two-section design, the internal damping device can widely cope with the buffering brought by different grounds, and the overall climbing and obstacle crossing capability is enhanced by the design scheme of the double-power double-crawler belt.

Drawings

Fig. 1 is a front view of a two-stage crawler unit for hilly and mountainous areas according to the present invention.

Fig. 2 is a top view of the two-stage crawler for hilly and mountainous areas of the present invention.

Fig. 3 is a left side view of the two-stage crawler for hilly and mountainous terrain according to the present invention.

Fig. 4 is a schematic view showing the internal structure of the crawler belt on the removed side of fig. 2.

Fig. 5 is an isometric view of a shock absorber device in a two-stage crawler unit for hilly and mountainous terrain in accordance with the present invention.

Illustration of the drawings:

1. a rear frame; 2. a hydraulic cylinder connecting shaft; 3. a rear crawler belt; 4. a pull rod type hydraulic cylinder; 5. a motor fixing seat; 6. an electric motor; 7. a rear track drive shaft; 8. a frame connecting shaft; 9. a main frame; 10. a front track drive shaft; 11. a front track; 12. a gasoline engine; 13. a small belt pulley; 14. a belt; 15. a large belt pulley; 16. a gearbox; 17. a front crawler belt driving wheel; 18. a front track spring damper; 19. a bolt fixing shaft; 20. a floating buffer support; 21. a front track carrier wheel; 22. a front track tensioning device; 23. a front track driven wheel; 24. a rear crawler belt driving wheel; 25. a rear track spring damper; 26. a rear track carrier wheel; 27. hinging a shaft; 28. the driven wheel 29 of the rear crawler belt and the internal connecting shaft of the bearing wheel; 30. the damping mechanism is fixed on the shaft; 31. a small wheel.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Referring to fig. 1-5, a two-section type crawler travel mechanism for hilly and mountainous regions comprises a main frame 9, a rear frame 1, a front crawler 11, a rear crawler 3, a pull rod type hydraulic cylinder 4, a gasoline engine 12, a transmission case 16 and a motor 6, wherein the gasoline engine 12 and the transmission case 16 are fixed on the main frame 9, the front crawler 11 is arranged on two sides of the main frame 9, the main frame 9 is connected with the rear frame 1 through a connecting shaft 8 and the pull rod type hydraulic cylinder 4, the pull rod type hydraulic cylinder 4 can stretch out and draw back within a certain range, so that the rear frame 1 swings within a certain angle along the main frame 9, the rear crawler 3 is arranged on two sides of the rear frame 1, the motor 6 is arranged inside the rear frame 1, and the motor 6 transmits power to a rear driving wheel 24 through a rear crawler transmission shaft 7.

Further, a front driving wheel 17, a driven wheel 23, a tensioning device 22 and a damping device are arranged in the front crawler 11, the damping device is provided with a floating buffer support 20, a front spring damper 18 and a front bearing wheel 21, the front floating buffer support 20 and the front spring damper 18 are connected through bolts, and the front floating buffer support 20 and the front spring damper 18 can swing at a certain angle; the tensioning device 22 effects tensioning of the front track 11 depending on the position of the adjusting bolt.

Further, a rear driving wheel 24, a driven wheel 28 and a damping device are arranged inside the rear crawler 3, the rear damping device is provided with a rear spring damper 25 and a rear bearing wheel 26, a shaft 27 is movably hinged inside the rear damping device, and the devices inside the rear crawler are all mounted on the rear frame through fixing bolts 30.

Further, the number of the front caterpillar band 11, the rear caterpillar band 3, the motor 6, the front driving wheel 17, the rear driving wheel 24, the front driven wheel 23, the rear driven wheel 28, the number of the front caterpillar band transmission shaft 10, the number of the rear caterpillar band transmission shaft 7, the number of the pull rod type hydraulic cylinder 4, the number of the motor fixing seat 5 and the number of the tensioning devices 22 are two, and the two sets are respectively positioned on two sides of the frame.

Further, the floating buffer bracket 20, the front spring damper 18, the front bearing wheel 21, the rear spring damper 25 and the rear bearing wheel 26 are four groups, and are located on two sides of the main frame 1 and the rear frame 9.

Furthermore, two sides of the pull rod type hydraulic cylinder 4 are hinged through connecting shafts, the front damping device and the rear damping device are connected with a frame fixing shaft, the floating buffer support 20 and the front spring damper 18 are connected with a front bearing wheel 21 fixing shaft, and the main frame 9 is hinged with a connecting shaft of the rear frame 1.

Claims

1. A two segmentation crawler travel mechanisms for hilly mountain region, including main frame (9), back frame (1), preceding track (11), back track (3), pull rod formula pneumatic cylinder (4), gasoline engine (12), gearbox (16) and motor (6), its characterized in that: the gasoline engine (12) and the gearbox (16) are fixed on a main frame (9), front tracks (11) are arranged on two sides of the main frame (9), the main frame (9) is connected with a rear frame (1) through a connecting shaft (8) and a pull rod type hydraulic cylinder (4), the pull rod type hydraulic cylinder (4) can stretch out and draw back within a certain range, so that the rear frame (1) swings within a certain angle along the main frame (9), the rear tracks (3) are arranged on two sides of the rear frame (1), a motor (6) is arranged in the rear frame (1), the motor (6) transmits power to a rear driving wheel (24) through a rear track transmission shaft (7), a front driving wheel (17), a driven wheel (23), a tensioning device (22), a front floating buffer support (20), a front spring damper (18) and a front bearing wheel (21) are arranged in the front track (11), the front floating buffer support (20) is connected with the front spring shock absorber (18) through bolts and can swing at a certain angle, the tensioning device (22) achieves tensioning of the front crawler belt (11) through the position of an adjusting bolt, a rear driving wheel (24), a rear driven wheel (28), a rear spring shock absorber (25) and a rear bearing wheel (26) are arranged inside the rear crawler belt (3), and the rear spring shock absorber (25) is movably hinged with the rear bearing wheel (26) through a shaft (27) and is installed on the rear frame (1) through a fixing bolt (30).

2. The two-stage crawler attachment for hilly and mountainous terrain of claim 1, wherein: the front crawler belt (11), the rear crawler belt (3), the motor (6), the front driving wheel (17), the rear driving wheel (24), the front driven wheel (23), the rear driven wheel (28), the front crawler belt transmission shaft (10), the rear crawler belt transmission shaft (7), the pull rod type hydraulic cylinder (4), the motor fixing seat (5) and the tensioning device (22) are respectively two in number and are respectively positioned on two sides of the frame.

3. The two-stage crawler attachment for hilly and mountainous areas of claim 1, wherein: the floating buffer support (20), the front spring shock absorber (18), the front bearing wheel (21), the rear spring shock absorber (25) and the rear bearing wheel (26) are four groups and are located on two sides of the main frame (9) and the rear frame (1), the two sides of the pull rod type hydraulic cylinder (4) are hinged through a connecting shaft, the front shock absorber and the rear shock absorber are connected with a frame fixing shaft, the floating buffer support (20), the front spring shock absorber (18) and the front bearing wheel (21) are connected through a fixing shaft, and the main frame (9) is hinged to the connecting shaft of the rear frame (1).