CN218751093U - Chassis structure of crawler transporter - Google Patents

Abstract

The utility model relates to the technical field of crawler chassis, and discloses a crawler transport vehicle chassis structure, which comprises a bearing frame, wherein side frames are fixedly arranged on both sides of the bearing frame, a driving wheel, a guiding wheel and a plurality of thrust wheels are rotatably arranged on the side frames, the driving wheel, the guiding wheel and the plurality of thrust wheels are connected through a crawler, an installation shaft is fixedly arranged at the center of each thrust wheel, and the installation shaft is rotatably arranged in a rotating sleeve; run into when jolting and uneven having bellied road surface, the thrust wheel can drive through the installation axle and rotate the cover and shift up, it shifts up through L type pole drive activity post to rotate the cover, the compression spring shifts up on the activity post, utilize the deformation of spring, thereby can the arch on self-adaptation road surface, reach buffering absorbing effect, change with the solitary position of thrust wheel and replace the change on whole chassis, the comfort level of taking has been improved greatly, simultaneously also effectual pressure and the wearing and tearing that receive of track itself have been alleviateed.

Description

Chassis structure of crawler transporter

Technical Field

The utility model relates to a tracked vehicle chassis technical field specifically is a tracked transport vehicle chassis structure.

Background

Crawler-type chassis compares in wheeled chassis and has better road surface adaptability, and the wide application still has advantages such as road surface destructiveness is little, the noise is little for steel crawler-type chassis in vehicles such as loader, excavator, tank, crawler-type chassis, like chinese patent publication number: CN205186339U, a utility model patent of utility model, which provides a rubber crawler chassis of a harvester, comprising an intermediate support and a crawler assembly, wherein the crawler assembly comprises a crawler frame, a thrust wheel, a driving wheel, a guide wheel, a tow band wheel and a rubber crawler, the thrust wheel is of a double-wheel structure and is provided with a plurality of thrust wheels, and is respectively arranged below the crawler frame, the tow band wheel is arranged above the crawler frame, the driving wheel is arranged at one end of the crawler frame, the guide wheel is arranged at the other end of the crawler frame, the driving wheel is connected with a speed reducer of the harvester body through a driving shaft, and the guide wheel is supported and fixed through a tensioning mechanism arranged on the crawler frame; the middle of the inner side surface of the rubber track is provided with a guide channel for the guide wheel and the tow band wheel to walk, two sides of the guide channel are respectively provided with a track tooth path for the driving wheel to walk, and two outer sides of the track tooth path are respectively provided with a track side path for the thrust wheel to walk. The utility model discloses a rubber track chassis, the antiskid is effectual, and the track is difficult for droing.

In the above-mentioned rubber track chassis, though have antiskid effectual, the track is difficult for advantage such as drops, however in practical application we find, it still has certain shortcoming, for example:

the damping effect of the rubber track chassis is poor, the rubber track chassis is difficult to apply in hollow terrains, the whole vehicle bumping degree is large when the vehicle is on an uphill slope or in poor road conditions or the road surface fluctuates, and meanwhile the track is easy to damage.

Based on the above, we propose a chassis structure of a crawler belt conveyor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a crawler belt transport vehicle chassis structure possesses and has buffering shock-absorbing function, effectively prevents that the vehicle from jolting and the impaired advantage of track.

For realize above-mentioned have buffering shock-absorbing function, effectively prevent that the vehicle from jolting and the impaired purpose of track, the utility model provides a following technical scheme: a chassis structure of a crawler transporter comprises a bearing frame, wherein side frames are fixedly arranged on two sides of the bearing frame, a driving wheel, a guiding wheel and a plurality of thrust wheels are rotatably arranged on the side frames, the driving wheel, the guiding wheel and the plurality of thrust wheels are connected through a crawler, an installation shaft is fixedly arranged at the center of each thrust wheel and rotatably arranged in a rotating sleeve, an L-shaped rod is fixedly arranged at the top of the rotating sleeve, the tail end of the L-shaped rod extends into an inner cavity and is connected with a movable column, and the inner cavity is formed in the side frames;

the top of the movable column is fixedly connected with a pressing plate through a spring, the pressing plate is arranged in the inner cavity in a vertically movable mode, and the crawler belt is made of rubber.

As an optimal technical scheme of the utility model, it still is provided with two driving motor, two to bear on the frame driving motor is connected with two drive wheels through speed reducer and drive shaft respectively.

As a preferred technical scheme of the utility model, connecting rod fixedly connected with screw is passed through at the top of clamp plate, the inner wall threaded connection of screw has the lead screw, the bottom of lead screw is rotated and is set up on the fixed plate, fixed plate fixed mounting is on the inner wall of inner chamber.

As an optimized technical scheme of the utility model, the top of lead screw extends to the outside of side bearer and fixedly connected with revolves the handle.

As an optimal technical scheme of the utility model, the top of L type pole is rotated and is set up on the movable column, and the junction of the top of L type pole and movable column still is provided with the torsional spring.

As an optimized technical scheme of the utility model, the torsional spring provides the revolving force with track direction of advance opposite for L type pole.

Compared with the prior art, the utility model provides a crawler belt transport vehicle chassis structure possesses following beneficial effect:

1. this crawler carrier chassis structure, the thrust wheel passes through the installation hub rotation and sets up on rotating the cover, a rotation for supporting the track, run into jolt when uneven has bellied road surface, the thrust wheel can drive through the installation hub and rotate the cover and shift up, it shifts up through L type pole drive activity post to rotate the cover, the compression spring shifts up on the activity post, utilize the deformation of spring, thereby can the arch on self-adaptation road surface, reach the absorbing effect of buffering, change the whole chassis of replacement with the solitary position change of thrust wheel, the comfort level of taking has been improved greatly, simultaneously also effectual pressure and the wearing and tearing that receive of track itself have alleviateed.

2. This crawler carrier chassis structure twists and moves the position that can adjust the clamp plate in the inner chamber soon, and then adjusts the compressed degree of the spring between clamp plate and the activity post, the holding power of as required regulation spring that can be free, further improvement the result of use.

Drawings

Fig. 1 is a schematic perspective view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of the side frame portion of the present invention;

fig. 3 is a partial cross-sectional view of the side frame of the present invention.

In the figure: 1. a carrier; 2. a side frame; 3. a drive wheel; 4. a guide wheel; 5. a thrust wheel; 6. a crawler; 7. a drive motor; 8. a speed reducer; 9. installing a shaft; 10. rotating the sleeve; 11. an L-shaped rod; 12. a movable post; 13. an inner cavity; 14. a spring; 15. pressing a plate; 16. a connecting rod; 17. a screw nut; 18. a screw rod; 19. a fixing plate; 20. and (4) rotating a handle.

Detailed Description

Referring to fig. 1 to 3, a chassis structure of a crawler transporter includes a carrier 1, side frames 2 are fixedly disposed on both sides of the carrier 1, a driving wheel 3, a guiding wheel 4 and a plurality of thrust wheels 5 are rotatably disposed on the side frames 2, the driving wheel 3, the guiding wheel 4 and the plurality of thrust wheels 5 are connected by a crawler 6, in this embodiment, three thrust wheels 5 are disposed to support the rotation of the crawler 6, the crawler 6 is made of rubber, the crawler 6 made of rubber has strong bearing capacity and large traction force, and has the advantages of low noise, no damage to asphalt pavement, and good driving performance.

As shown in fig. 1, the bearing frame 1 is further provided with two driving motors 7, the two driving motors 7 are respectively connected with the two driving wheels 3 through a speed reducer 8 and a driving shaft, the two driving motors 7 can respectively drive the two tracks 6 to rotate, and further the chassis can move forward, move backward and turn, and in this embodiment, the bearing frame 1 is further provided with a storage battery for supplying power to the driving motors 7.

As shown in fig. 2 and 3, a mounting shaft 9 is fixedly disposed at the center of the thrust wheel 5, the mounting shaft 9 is rotatably disposed in a rotating sleeve 10, in this embodiment, the rotating sleeve 10 may be a bearing, and the mounting shaft 9 is directly and fixedly coupled to the inner wall of the bearing, so as to facilitate the rotation of the mounting shaft 9 and the thrust wheel 5.

The top of the rotating sleeve 10 is fixedly provided with an L-shaped rod 11, the tail end of the L-shaped rod 11 extends into an inner cavity 13 and is connected with a movable column 12, the inner cavity 13 is arranged in the side frame 2, the top of the movable column 12 is fixedly connected with a pressure plate 15 through a spring 14, and the pressure plate 15 can be arranged in the inner cavity 13 in an up-and-down moving mode.

When encountering bumpy road surface with protrusions, the thrust wheel 5 can drive the rotating sleeve 10 to move upwards through the mounting shaft 9, the rotating sleeve 10 moves upwards to drive the movable column 12 to move upwards through the L-shaped rod 11, the movable column 12 moves upwards to compress the spring 14, the deformation of the spring 14 is utilized, so that the protrusions on the road surface can be self-adapted, the effect of buffering and damping is achieved, the change of the whole chassis is replaced by the independent position change of the thrust wheel 5, the riding comfort degree is greatly improved, and meanwhile, the pressure and the abrasion of the track 6 per se are effectively reduced.

The pressing plate 15 can be arranged in the inner cavity 13 in a vertically movable mode, so that the compression degree of the spring 14 between the pressing plate 15 and the movable column 12 can be adjusted conveniently, the supporting force of the spring 14 can be adjusted freely as required, and the using effect is further improved.

The embodiment further provides a mechanism for adjusting the position of the pressing plate 15, specifically:

the top of the pressing plate 15 is fixedly connected with a screw 17 through a connecting rod 16, the inner wall of the screw 17 is in threaded connection with a screw rod 18, the bottom end of the screw rod 18 is rotatably arranged on a fixing plate 19, the fixing plate 19 is fixedly arranged on the inner wall of the inner cavity 13, and the top end of the screw rod 18 extends to the outside of the side frame 2 and is fixedly connected with a knob 20.

The screw rod 18 can be rotated by screwing the knob 20, the screw rod 18 rotates to drive the screw nut 17 in threaded connection with the outer wall of the screw rod to move up and down, and the screw nut 17 moves up and down to drive the pressing plate 15 to move up and down through the connecting rod 16.

In an optional technical solution in this embodiment, the top end of the L-shaped rod 11 is rotatably disposed on the movable column 12, and a torsion spring is further disposed at a connection position between the top end of the L-shaped rod 11 and the movable column 12, and provides a rotational force opposite to the advancing direction of the crawler 6 for the L-shaped rod 11; thus, when encountering the road surface protrusion, the L-shaped rod 11 can not only move upwards to buffer, but also swing (compression torsion spring) the relatively movable column 12, and the compression torsion spring is utilized to buffer, so that the buffering and damping effect is further improved, and the protection effect of the swinging buffer on the crawler belt 6 is better.

In the present embodiment, a corresponding torsion spring limiting mechanism is provided to make the L-shaped rod 11 in a vertical state in a normal state, and compress the torsion spring when swinging.

In practical production of the sample, the chassis described in this embodiment, which uses a battery as power, has a length of about 2.6 meters, a width of about 2 meters and a height of about 0.5 meter, and the carriage 1 and the side frame 2 are made of steel, and have a dead weight of about 2.5 tons and a running speed of 10km/h.

The utility model discloses a theory of operation and use flow:

thrust wheel 5 rotates through installation axle 9 and sets up on rotating sleeve 10, a rotation for supporting track 6, when running into jolt uneven there is bellied road surface, thrust wheel 5 can drive through installation axle 9 and rotate sleeve 10 and move up, it moves up through L type pole 11 drive activity post 12 to rotate sleeve 10 to move up, compression spring 14 moves up on activity post 12, utilize spring 14's deformation, thereby can the arch on self-adaptation road surface, reach the absorbing effect of buffering, change the whole chassis of replacement with thrust wheel 5 solitary position change, the comfort level of taking has been improved greatly, simultaneously also effectual pressure and the wearing and tearing that receive of track 6 itself have been alleviateed.

The handle 20 is screwed to adjust the position of the pressure plate 15 in the inner cavity 13, so that the degree of compression of the spring 14 between the pressure plate 15 and the movable column 12 is adjusted, the supporting force of the spring 14 can be freely adjusted as required, and the using effect is further improved.

Claims (6)

1. The utility model provides a tracked carrier chassis structure, includes and bears frame (1), the both sides of bearing frame (1) are all fixed and are provided with side bearer (2), it is provided with drive wheel (3), guide wheel (4) and a plurality of thrust wheel (5) to rotate on side bearer (2), link its characterized in that through track (6) between drive wheel (3), guide wheel (4) and a plurality of thrust wheel (5): a mounting shaft (9) is fixedly arranged at the center of the thrust wheel (5), the mounting shaft (9) is rotatably arranged in a rotating sleeve (10), an L-shaped rod (11) is fixedly mounted at the top of the rotating sleeve (10), the tail end of the L-shaped rod (11) extends into an inner cavity (13) and is connected with a movable column (12), and the inner cavity (13) is formed in the side frame (2);

the top of the movable column (12) is fixedly connected with a pressure plate (15) through a spring (14), the pressure plate (15) can be arranged in the inner cavity (13) in a vertically moving mode, and the crawler belt (6) is made of rubber.

2. The crawler carrier chassis structure according to claim 1, wherein: the bearing frame (1) is further provided with two driving motors (7), and the two driving motors (7) are respectively connected with the two driving wheels (3) through a speed reducer (8) and a driving shaft.

3. The crawler carrier chassis structure according to claim 1, wherein: the top of clamp plate (15) is through connecting rod (16) fixedly connected with screw (17), the inner wall threaded connection of screw (17) has lead screw (18), the bottom of lead screw (18) is rotated and is set up on fixed plate (19), fixed plate (19) fixed mounting is on the inner wall of inner chamber (13).

4. The crawler carrier chassis structure according to claim 3, wherein: the top end of the screw rod (18) extends to the outside of the side frame (2) and is fixedly connected with a knob (20).

5. The crawler carrier chassis structure according to claim 1, wherein: the top end of the L-shaped rod (11) is rotatably arranged on the movable column (12), and a torsional spring is further arranged at the joint of the top end of the L-shaped rod (11) and the movable column (12).

6. The crawler carrier chassis structure according to claim 5, wherein: the torsion spring provides a rotating force opposite to the advancing direction of the crawler belt (6) for the L-shaped rod (11).

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