Quick dismounting mechanism for chassis crawler belt of agricultural machine

Abstract

The utility model belongs to the technical field of agricultural devices, and particularly relates to an agricultural machine chassis caterpillar band quick-release mechanism which comprises a chassis and a caterpillar band and further comprises a supporting rod, an adjusting mechanism and telescopic ejector blocks, the telescopic ejector blocks are arranged at the two ends of a mounting frame, the supporting rod is rotationally mounted on a mounting plate, and the adjusting mechanism is arranged on the supporting rod. The telescopic cylinders are arranged at the bottom of the base plate, the sliding blocks are installed on the telescopic cylinders, the sliding grooves matched with the sliding blocks are formed in the tops of the supporting rods, the symmetrical limiting grooves are formed in the side walls of the sliding grooves, and cylindrical protrusions matched with the limiting grooves are arranged on the side walls of the sliding blocks; by arranging the adjusting mechanism and the supporting rod, a user can conveniently support the agricultural machine, the labor intensity of the user is reduced, the stability of the supporting rod in the moving process is guaranteed through cooperation of a side wall protrusion of a sliding block and a limiting groove, and by arranging a telescopic top block, the user can conveniently disassemble and assemble a crawler belt.

Description

Technical Field

[0001] The utility model belongs to the technical field of agricultural devices, and in particular relates to a quick-disassembly mechanism for a chassis crawler of an agricultural machine. Background Art

[0002] Various agricultural machinery are used in the process of agricultural production. In order to make the agricultural machinery suitable for various complex terrains, tracked agricultural machinery is used. After the agricultural machinery is used for a long time, the user needs to replace the track of the agricultural machinery. When replacing the track of the existing agricultural machinery, the user needs to prop up one side of the agricultural machinery. The labor intensity required for the user to lift the entire agricultural machinery and maintain it at a certain height is relatively high, which is inconvenient for the user to replace the track. Utility Model Content

[0003] The utility model provides a quick-release mechanism for a chassis crawler of an agricultural machinery, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a quick-release mechanism for the crawler track of an agricultural machinery chassis, comprising a chassis and a crawler track, and also comprising a support rod, an adjustment mechanism and a telescopic top block, wherein a symmetrical mounting frame is provided on the bottom surface of the chassis, the crawler track is provided on the mounting frame, the telescopic top blocks are provided at both ends of the mounting frame, a plurality of mounting plates are provided on the bottom surface of the chassis, the support rod is rotatably mounted on the mounting plate, a plurality of symmetrical adjustment mechanisms are provided on the bottom surface of the chassis, and the adjustment mechanism is connected to the support rod;

[0005] The adjustment mechanism includes a slider, a telescopic cylinder, a roller, a limit groove, a movable groove, a pull wire and a slide groove. Several telescopic cylinders are provided at the bottom of the chassis, and the slider is installed on the telescopic cylinder. The top of the support rod is provided with the slide groove that cooperates with the slider. The side wall of the slide groove is provided with symmetrical limit grooves. The side wall of the slider is provided with a protrusion that cooperates with the limit groove, and the shape of the protrusion on the side wall of the slider is cylindrical.

[0006] Preferably, the roller is rotatably mounted on the side wall protrusion of the slider, and the center of the roller overlaps with the center of the side wall protrusion of the slider.

[0007] Preferably, a support plate is installed at the other end of the support rod through a torsion spring shaft, and a rubber pad is provided on the bottom surface of the support plate.

[0008] Preferably, the support rod is provided with the movable groove inside, the pull wire passes through the movable groove, and two ends of the pull wire are respectively connected to the slider and the torsion spring shaft.

[0009] Preferably, a plurality of rollers are installed on the side walls of the movable groove, and the pull wire passes around the rollers arranged on the side walls of the movable groove.

[0010] Preferably, a protrusion cooperating with the crawler track is provided on the side wall of the telescopic top block.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model provides an adjustment mechanism and a support rod, so that the user can prop up the side of the crawler track of the agricultural machinery that needs to be replaced, thereby reducing the labor intensity of the user; the cooperation of the side wall protrusion of the slider and the limit groove can ensure the stability of the support rod during movement; the provision of a support plate can ensure the stability of the agricultural machinery after being lifted up; the provision of a torsion spring shaft can ensure the stability of the support plate during the use of the device; the provision of a pull wire can enable the support plate to contact the ground at a suitable angle, thereby ensuring the working effect of the support plate; the provision of a roller can reduce the damage to the pull wire and extend the service life of the pull wire; the provision of a telescopic top block can facilitate the user to disassemble and install the crawler track. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a side view structural schematic diagram of the utility model;

[0015] Figure 3 It is a structural schematic diagram of the adjustment mechanism in the utility model;

[0016] Figure 4 It is a structural schematic diagram of the support rod in the utility model;

[0017] Figure 5 It is a structural schematic diagram of the telescopic top in the utility model.

[0018] In the figure: 1, chassis 11, mounting frame 12, mounting plate 2, crawler track 3, support rod 31, support plate 32, torsion spring shaft 4, adjustment mechanism 41, slider 42, telescopic cylinder 43, roller 44, limit groove 45, moving groove 46, pull wire 47, slide groove 5, telescopic top block. DETAILED DESCRIPTION

[0019] See also Figure 1-5 The utility model provides the following technical solutions: a quick-release mechanism for the crawler track of an agricultural machinery chassis, comprising a chassis 1 and a crawler track 2, and also comprising a support rod 3, an adjustment mechanism 4 and a telescopic top block 5. A symmetrical mounting frame 11 is provided on the bottom surface of the chassis 1, and the crawler track 2 is provided on the mounting frame 11. Telescopic top blocks 5 are provided at both ends of the mounting frame 11. A plurality of mounting plates 12 are provided on the bottom surface of the chassis 1, and the support rod 3 is rotatably mounted on the mounting plate 12. A plurality of symmetrical adjustment mechanisms 4 are provided on the bottom surface of the chassis 1, and the adjustment mechanism 4 is connected to the support rod 3;

[0020] The adjustment mechanism 4 includes a slider 41, a telescopic cylinder 42, a roller 43, a limit groove 44, a movable groove 45, a pull wire 46 and a slide groove 47. Several telescopic cylinders 42 are provided at the bottom of the chassis 1, and the slider 41 is installed on the telescopic cylinder 42. The top of the support rod 3 is provided with a slide groove 47 that cooperates with the slider 41. The side wall of the slide groove 47 is provided with symmetrical limit grooves 44. The side wall of the slider 41 is provided with a protrusion that cooperates with the limit groove 44. The shape of the protrusion on the side wall of the slider 41 is cylindrical.

[0021] The mounting frame 11 is used to install the crawler 2. Several belt-pressing wheels and tensioning wheels are arranged on the bottom surface of the mounting frame 11 to ensure the stability of the crawler 2 during the movement of the chassis 1. The movement of the crawler 2 is achieved by the power wheel arranged on the mounting frame 11. The telescopic top block 5 plays a role in blocking the crawler 2. When the user installs the crawler 2 on the mounting frame 11, the telescopic top block 5 can prevent the user from applying too much force when installing the crawler 2, causing the crawler 2 to detach from the mounting frame 11, resulting in the user's installation efficiency of the crawler 2 being affected. The user can adjust the position of the telescopic top block 5 to avoid the telescopic top block 5 and the crawler 2 from being in use during the use of the device. The track 2 and the telescopic top block 5 are in contact during the movement of the device, resulting in wear of the track 2 and the telescopic top block 5 during the movement of the device, thereby extending the service life of the track 2 and the telescopic top block 5. The mounting plate 12 is used to mount the support rod 3. The position of the support rod 3 can be adjusted by the adjusting mechanism 4. The moved support rod 3 can lift the chassis 1 off the ground, which is convenient for the user to replace the track 2. The mounting positions of the support rod 3 and the adjusting mechanism 4 ensure that the support rod 3 can lift one side of the chassis 1 off the ground, which is convenient for the user to replace the track 2. The chassis 1 is supported by arranging an array of matched support rods 3 and the adjusting mechanism 4, thereby ensuring the working effect of the support rod 3.

[0022] The position of the slider 41 can be adjusted by controlling the telescopic cylinder 42 to extend and retract. During the extension of the telescopic cylinder 42, the slider 41 moves inside the slide groove 47. During the movement, the slider 41 rotates with the support rod 3, thereby achieving the support of the device by the support rod 3. The stability of the slider 41 during the movement is ensured by the cooperation of the side wall protrusion of the slider 41 and the limit groove 44. The shape of the side wall protrusion of the slider 41 ensures that the movement of the slider 41 will not be hindered by the rotating support rod 3. When the telescopic cylinder 42 is retracted, The cooperation between the side wall protrusion and the limit groove 44 of the slider 41 enables the support rod 3 to be brought back to its original position by the retracted telescopic cylinder 42, thereby releasing the support of the device by the support rod 3. The shape of the slide groove 47 cooperates with the slider 41 to ensure that the slider 41 can enter the interior of the slide groove 47 during movement, and to ensure that the slide groove 47 will not hinder the movement of the slider 41. The connection between the slider 41 and the telescopic cylinder 42 has a certain distance from the top of the support rod 3, ensuring that the support rod 3 will not contact the telescopic cylinder 42 during rotation, thereby ensuring the working effect of the support rod 3.

[0023] Specifically, the roller 43 is rotatably mounted on the side wall protrusion of the slider 41 , and the center of the roller 43 overlaps with the center of the side wall protrusion of the slider 41 .

[0024] The roller 43 plays the role of supporting the slider 41, reducing the damage to the slider 41 during the process of pushing the support rod 3. The roller 43 is rotatably installed on the slider 41, reducing the friction encountered by the slider 41 during the movement. When the slider 41 rotates with the support rod 3, the installation position of the roller 43 ensures that the roller 43 is always in contact with the bottom side wall of the slide groove 47, ensuring the working effect of the roller 43.

[0025] Specifically, a support plate 31 is installed at the other end of the support rod 3 through a torsion spring shaft 32 , and a rubber pad is provided on the bottom surface of the support plate 31 .

[0026] The support plate 31 increases the contact area between the support rod 3 and the ground, and improves the stability of the device after being lifted up by the support rod 3. When the support rod 3 is not in use, the support plate 31 is fixed by the torsion spring shaft 32, ensuring the stability of the support plate 31 during the use of the device. The rubber pad arranged on the support plate 31 increases the friction between the support plate 31 and the ground, ensuring the stability of the device after being lifted up by the support rod 3.

[0027] Specifically, a moving groove 45 is formed inside the support rod 3 , and a pull wire 46 passes through the moving groove 45 . Two ends of the pull wire 46 are respectively connected to the slider 41 and the torsion spring shaft 32 .

[0028] The slider 41 will pull the pull wire 46 during the movement, and a part of the pull wire 46 is wound around the torsion spring shaft 32. The pulled pull wire 46 will rotate with the torsion spring shaft 32, and the rotating torsion spring shaft 32 will rotate with the support plate 31, so that the support plate 31 can contact the bottom surface at a suitable angle, thereby ensuring the working effect of the support plate 31. The pull wire 46 has a certain elasticity to prevent the support plate 31 from being obstructed by the pull wire 46 when being pushed by the ground. The movable groove 45 plays a guiding role, thereby ensuring the working effect of the pull wire 46. The movable groove 45 also ensures the stability of the pull wire 46 during the movement.

[0029] Specifically, a plurality of rollers are installed on the side wall of the movable groove 45 , and the pull wire 46 passes around the rollers arranged on the side wall of the movable groove 45 .

[0030] The roller provided on the movable groove 45 plays the role of supporting the pull wire 46, reducing the portion of the pull wire 46 in contact with the side wall of the movable groove 45, thereby reducing the wear of the pull wire 46 during movement and extending the service life of the pull wire 46. The roller is rotatably installed on the movable groove 45, and the pull wire 46 will rotate with the roller during the movement process, reducing the wear of the pull wire 46 during the movement process.

[0031] Specifically, a protrusion that cooperates with the crawler track 2 is provided on the side wall of the telescopic top block 5 .

[0032] The protrusion on the side wall of the telescopic top block 5 allows the telescopic top block 5 to push the track 2. After the tensioning wheel of the mounting frame 11 is released to fix the track 2, the telescopic top block 5 located on one end of the power wheel of the mounting frame 11 is controlled to extend. The extended telescopic top block 5 will push the track 2 and push the track 2 off the power wheel of the mounting frame 11, making it convenient for the user to replace the track 2.

[0033] The working principle and use process of the utility model are as follows: when replacing the crawler track 2, the telescopic cylinder 42 located on one side of the crawler track 2 to be replaced is controlled to extend, and the telescopic cylinder 42 will move with the slider 41 during the extension process, and the slider 41 will rotate with the support rod 3 during the movement, and as the slider 41 moves, the pull wire 46 is pulled by the slider 41, and the pulled pull wire 46 rotates with the torsion spring shaft 32, and the support plate 31 starts to rotate under the action of the torsion spring shaft 32, so that the support plate 31 contacts the ground, and the rotating support rod 3 lifts up one side of the chassis 1, releasing the tension of the tensioning wheel on the crawler track 2, and controlling the telescopic top block 5 located on one side of the power wheel to extend, and the extended The telescopic top block 5 will push the track 2 off the power wheel of the mounting frame 11, remove the track 2 from the mounting frame 11, control another telescopic top block 5 to extend, and install the new track 2 on the mounting frame 11. The telescopic top block 5 plays the role of blocking the track 2, which is convenient for the user to install the track 2 on the mounting frame 11 and fix the track 2 by the tensioning wheel. After the track 2 is replaced, the telescopic cylinder 42 and the telescopic top block 5 are controlled to shrink, and the support rod 3 returns to its original position under the action of the shrinking telescopic cylinder 42. As the support rod 3 rotates, the support plate 31 and the pull wire 46 return to their original position under the action of the torsion spring shaft 32, and the propped-up end of the device falls back to the ground.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A quick-release mechanism for a chassis and crawler tracks of an agricultural machinery, comprising a chassis (1) and a crawler track (2), characterized in that: It also comprises a support rod (3), an adjustment mechanism (4) and a telescopic top block (5); a symmetrical mounting frame (11) is provided on the bottom surface of the chassis (1); the crawler (2) is provided on the mounting frame (11); the telescopic top blocks (5) are provided at both ends of the mounting frame (11); a plurality of mounting plates (12) are provided on the bottom surface of the chassis (1); the support rod (3) is rotatably mounted on the mounting plates (12); a plurality of symmetrical adjustment mechanisms (4) are provided on the bottom surface of the chassis (1); the adjustment mechanisms (4) are connected to the support rod (3); The adjustment mechanism (4) comprises a slider (41), a telescopic cylinder (42), a roller (43), a limiting groove (44), a movable groove (45), a pull wire (46) and a slide groove (47); a plurality of the telescopic cylinders (42) are arranged at the bottom of the chassis (1); the slider (41) is mounted on the telescopic cylinder (42); a slide groove (47) cooperating with the slider (41) is arranged at the top of the support rod (3); a symmetrical limiting groove (44) is arranged on the side wall of the slide groove (47); a protrusion cooperating with the limiting groove (44) is arranged on the side wall of the slider (41); and the protrusion on the side wall of the slider (41) is in the shape of a cylinder.

2. The agricultural machinery chassis crawler quick release mechanism according to claim 1, characterized in that: The roller (43) is rotatably mounted on the side wall protrusion of the slider (41), and the center of the roller (43) overlaps with the center of the side wall protrusion of the slider (41).

3. The agricultural machinery chassis crawler quick release mechanism according to claim 1, characterized in that: The other end of the support rod (3) is mounted with a support plate (31) via a torsion spring shaft (32), and a rubber pad is provided on the bottom surface of the support plate (31).

4. The agricultural machinery chassis crawler quick release mechanism according to claim 3, characterized in that: The support rod (3) is provided with the movable groove (45) inside, the pull wire (46) passes through the movable groove (45), and the two ends of the pull wire (46) are respectively connected to the slider (41) and the torsion spring shaft (32).

5. The agricultural machinery chassis crawler quick release mechanism according to claim 4, characterized in that: A plurality of rollers are installed on the side wall of the movable groove (45), and the pull wire (46) passes around the rollers arranged on the side wall of the movable groove (45).

6. The agricultural machinery chassis crawler quick release mechanism according to claim 1, characterized in that: A protrusion that cooperates with the crawler (2) is provided on the side wall of the telescopic top block (5).

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