CN216761957U

CN216761957U - Crawler attachment of adjustable tensioning degree

Info

Publication number: CN216761957U
Application number: CN202220430089.5U
Authority: CN
Inventors: 戴振武
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-06-17
Anticipated expiration: 2032-03-01

Abstract

The utility model provides a track device capable of adjusting the tensioning degree, which comprises a rack, wherein two sides of the rack are rotatably connected with a rotating wheel and a driving gear, the rack is connected with a tensioning wheel through a tensioning mechanism, and two sides of the rack are provided with tracks in sliding connection with the rotating wheel, the driving gear and the tensioning wheel. The adjustable crawler belt tensioning device is simple in structure, strong in practicability, capable of adjusting the tensioning degree of the crawler belt conveniently and quickly, capable of ensuring that the crawler belt is stably connected with a running wheel system on a rack, suitable for various road surfaces, capable of adjusting the tensioning degree of the crawler belt timely and capable of avoiding derailment and deviation.

Description

Crawler attachment of adjustable tensioning degree

Technical Field

The utility model relates to the technical field of agricultural vehicles, in particular to a crawler device with adjustable tensioning degree.

Background

The existing crawler device has the problems that the distance between the crawler tooth sheets is increased, the whole perimeter of the crawler is increased, and the problems of belt falling and deviation are easy to occur due to different hardness degrees of a running road surface and long-time running work in the using process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a track device with adjustable tensioning degree, which can adjust the tensioning degree of a track in time according to different road surfaces and avoid derailment and offset.

The utility model provides a track device capable of adjusting the tensioning degree, which comprises a rack, wherein two sides of the rack are rotatably connected with a rotating wheel and a driving gear, the rack is connected with a tensioning wheel through a tensioning mechanism, the outer surface of the tensioning wheel is provided with toothed bulges, two sides of the rack are provided with tracks, the tracks are in sliding connection with the rotating wheel, and the tracks are in meshing transmission connection with the driving gear and the tensioning wheel.

Furthermore, the frame includes the backup pad of two relative settings, the backup pad passes through the frame support arm and connects, two be equipped with between the backup pad with the backup pad sets up perpendicularly and fixed connection's gearbox semi-axis shoulder pipe, two are run through at the both ends of gearbox semi-axis shoulder pipe the backup pad.

Furthermore, a rotating shaft is connected in the shoulder pipe of the half shaft of the gearbox in a rotating mode, and two ends of the rotating shaft are connected with the driving teeth respectively.

Furthermore, the track is provided with a plurality of metal tooth sheets which are hinged to form a flexible chain ring, and tooth holes meshed with the driving teeth are formed in the surfaces of the tooth sheets.

Furthermore, the runner includes a plurality of with the backup pad rotates the thrust wheel of being connected, thrust wheel top be equipped with the backup pad rotates the tow band wheel of being connected.

Furthermore, a crawler guide rail detachably connected with the supporting plate is arranged between the thrust wheels.

Furthermore, the tensioning mechanism comprises a fixed plate fixed on the edge of the supporting plate, a moving plate is connected to one side of the fixed plate close to the center of the supporting plate through a reciprocating driving device, the tensioning wheel is located on one side of the fixed plate far away from the moving plate, and the tensioning wheel is connected with the moving plate through a cross rod.

Furthermore, a sleeve sleeved outside the cross rod is arranged on the fixing plate.

Furthermore, the outer surface of the tooth sheet is provided with a reinforced anti-skid rib.

Further, the distance between the crawler belts on the two sides is thirty centimeters.

The adjustable crawler tensioning device is simple in structure and strong in practicability, can conveniently and quickly adjust the tensioning degree of the crawler, ensures that the crawler is stably connected with a running gear train on a rack, is suitable for various road surfaces, can timely adjust the tensioning degree of the crawler, and avoids derailment and offset.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the frame structure of the present invention;

description of reference numerals:

in the figure: 1-a support plate, 2-a frame support arm, 3-a gearbox half shaft shoulder pipe, 4-a driving tooth, 5-a thrust wheel, 6-a towing pulley, 7-a tensioning wheel, 8-a track, 9-a track guide rail, 10-a fixed plate, 11-a movable plate, 12-a screw rod, 13-a cross rod and 14-a sleeve;

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. 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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1 and 2:

the utility model provides a crawler attachment of adjustable tensioning degree, includes two backup pads 1 that set up relatively, fixedly connected with between backup pad 1 and the perpendicular frame support arm 2 that sets up of backup pad 1, frame support arm 2 can regard as the installation base of driver's cabin.

Still be equipped with gearbox half shaft shoulder pipe 3 between the backup pad 1, gearbox half shaft shoulder pipe 3 sets up and fixed connection with two backup pads 1 are perpendicular, and two backup pads 1 are run through and extend to the backup pad 1 outside at the both ends of gearbox half shaft shoulder pipe 3.

The transmission case half shaft shoulder pipe 3 internal rotation is connected with the pivot, and both ends of pivot extend to the transmission case half shaft outside and fixedly connected with drive tooth 4.

Every backup pad 1 is kept away from frame support arm 2 and is connected with the walking train on the surface, including rotating the thrust wheel 5 of being connected with backup pad 1, and thrust wheel 5 top is equipped with tow band pulley 6, and tow band pulley 6 passes through the connecting plate and is connected with backup pad 1.

The crawler track guide rails 9 detachably connected with the supporting plates 1 are arranged between the supporting wheels 5, arc-shaped warping portions are arranged at two ends of each crawler track guide rail 9, the arc-shaped warping portions at two ends of each crawler track guide rail 9 are located below the adjacent supporting wheels 5, and the height of the joint of each crawler track guide rail 9 and the corresponding supporting plate 1 is lower than the central height of each supporting wheel 5, so that the position where the crawler track 8 is raised and sunk in the position is limited, and the central height of each supporting wheel 5 cannot be raised generally. Meanwhile, the use reliability and the service life of the guide wheel and the tension wheel 7 are improved, and meanwhile, the caterpillar band 8 is not derailed.

As shown in fig. 2, the traveling gear train further includes a tension wheel 7 only on the right side of the support plate 1, and the tension wheel 7 is connected to the support plate 1 through a tension mechanism.

As shown in fig. 1 and 2, the tensioning mechanism includes a fixed plate 10 fixed on the supporting plate 1, a movable plate 11 is disposed on one side of the fixed plate 10 away from the tensioning wheel 7, the movable plate 11 is connected to the fixed plate 10 through a screw 12 rotatably connected to the fixed plate 10, an internal thread matched with the external thread of the screw 12 is disposed on the movable plate 11, a bearing is disposed between the internal thread and the movable plate, when the internal thread rotates, the movable plate 11 does not rotate, the screw 12 extends to one side away from the fixed plate 10 through the movable plate 11, and one end of the screw 12 close to the fixed plate 10 is connected to a driving device such as a motor.

Two cross rods 13 parallel to the screw 12 are fixedly mounted on the moving plate 11, a sleeve 14 sleeved outside the cross rods 13 is mounted on the fixed plate 10, the cross rods 13 penetrate through the sleeve 14 and extend to the outside of the sleeve 14, the middle positions of the two cross rods 13 far away from the moving plate 11 are mounting positions of the tension wheel 7, and the two cross rods 13 are rotatably connected with the tension wheel 7 through connecting rod pieces.

The motor drives the screw 12 to rotate, the position of the screw 12 is fixed, the internal thread on the moving plate 11 and the screw 12 perform thread transmission, the moving plate 11 can move leftwards or rightwards, and meanwhile, the position of the tension wheel 7 is adjusted through the cross rod 13, so that the purpose of controlling the tension degree of the crawler 8 is achieved.

One side of the supporting plate 1, which is far away from the frame supporting arm 2, is provided with a crawler belt 8, the crawler belt 8 is a flexible chain ring formed by hinging sixty sections of tooth sheets, and the surface of the tooth sheets, which is close to the walking wheel system, is provided with a hole groove.

The thrust wheel 5 and the tow band wheel 6 are rotatably connected with the inner surface of the track 8, the outer wall of the tension wheel 7 is provided with the dentate bulges, the dentate bulges on the tension wheel 7 and the teeth on the driving teeth 4 are respectively meshed with the hole grooves, the driving teeth 4 are meshed with the hole grooves to drive the track 8 to work, and the dentate bulges of the tension wheel 7 ensure that the track 8 cannot deviate when walking, so that the derailment condition is avoided.

The outer surface of the crawler 8 is provided with reinforced anti-skid ribs.

The utility model has simple structure and strong practicability, can conveniently and quickly adjust the tensioning degree of the crawler, ensures the stable connection of the crawler and the running wheel system on the frame, is suitable for various road surfaces, can timely adjust the tensioning degree of the crawler, and can ensure that the dentate bulge on the guide wheel can be meshed with the hole groove of the crawler in real time, thereby avoiding the derailment and the offset.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A crawler attachment of adjustable tensioning degree which characterized in that: the automatic belt conveyor comprises a frame, wherein rotating wheels and driving teeth are rotationally connected to two sides of the frame, the frame is connected with a tensioning wheel through a tensioning mechanism, tooth-shaped protrusions are arranged on the outer surface of the tensioning wheel, tracks are arranged on two sides of the frame, the tracks are in sliding connection with the rotating wheels, and the tracks are in meshing transmission connection with the driving teeth and the tensioning wheel.

2. An adjustable tension track assembly as defined in claim 1, wherein: the frame includes the backup pad of two relative settings, the backup pad passes through the frame support arm and connects, two be equipped with between the backup pad with the backup pad sets up perpendicularly and fixed connection's gearbox semi-axis shoulder pipe, two are run through at the both ends of gearbox semi-axis shoulder pipe the backup pad.

3. An adjustable tension track assembly as defined in claim 2, wherein: the transmission case half shaft shoulder pipe is connected with a rotating shaft in a rotating mode, and two ends of the rotating shaft are connected with the driving teeth respectively.

4. An adjustable tension track assembly as defined in claim 1, wherein: the crawler belt is provided with a plurality of metal tooth sheets which are hinged to form a flexible chain ring, and tooth holes meshed with the driving teeth are formed in the surfaces of the tooth sheets.

5. An adjustable tension track assembly as defined in claim 2, wherein: the rotating wheel comprises a plurality of thrust wheels which are rotatably connected with the supporting plate, and a towing wheel which is rotatably connected with the supporting plate is arranged above the thrust wheels.

6. An adjustable tension track assembly as claimed in claim 5, wherein: and a track guide rail detachably connected with the supporting plate is arranged between the thrust wheels.

7. An adjustable tension track assembly as defined in claim 2, wherein: the tensioning mechanism comprises a fixed plate fixed on the edge of the supporting plate, one side, close to the center of the supporting plate, of the fixed plate is connected with a movable plate through a reciprocating driving device, the tensioning wheel is located on one side, far away from the movable plate, of the fixed plate, and the tensioning wheel is connected with the movable plate through a cross rod.

8. An adjustable tension track assembly as claimed in claim 7, wherein: the fixing plate is provided with a sleeve which is sleeved outside the cross rod.

9. An adjustable tension track assembly as defined in claim 4, wherein: and reinforcing anti-skid ribs are arranged on the outer surface of the tooth sheet.

10. An adjustable tension track assembly as defined in claim 1, wherein: the distance between the crawler belts on the two sides is thirty centimeters.