CN210555232U

CN210555232U - Guide wheel device of crawler tractor

Info

Publication number: CN210555232U
Application number: CN201921693884.8U
Authority: CN
Inventors: 刘德林
Original assignee: Yiyang Delin Machinery Co ltd
Current assignee: Yiyang Delin Machinery Co ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-05-19
Anticipated expiration: 2029-10-11

Abstract

The utility model discloses a crawler tractor's leading wheel device, include the mount pad and weld in the fixed cross beam of mount pad bottom, the top of mount pad is rotated and is connected with bull stick one, and a bull stick key-type connection has the action wheel, fixed cross beam's one end is rotated through the bearing and is connected with bull stick two, and two key-types of bull stick are connected with the tight pulley, fixed cross beam's the other end is opened there is the mounting groove, and the inner wall of mounting groove has hydraulic buffer through the bolt fastening, hydraulic buffer's tip has the mounting bracket through the bolt fastening, and the mounting bracket rotates through the bearing and is connected with the take-up pulley. The utility model discloses a mutually support between the smooth section of thick bamboo of screw thread, the slide bar that set up, can utilize its limiting displacement, stability when effectively improving this take-up pulley and remove, and the connected mode through screw thread, bolt for after wearing and tearing appear in the long-time use of this smooth section of thick bamboo of screw thread, slide bar, can carry out quick change, increase the device's practicality.

Description

Guide wheel device of crawler tractor

Technical Field

The utility model relates to the technical field of agricultural machinery, especially, relate to a leading wheel device of crawler tractor.

Background

A track-type tractor, also called a caterpillar tractor or a caterpillar tractor, is one type of tractor, and is different from a wheeled tractor in that a coiled endless track is supported on the ground. The caterpillar belt contacts the ground, and the caterpillar spikes are inserted into the soil. The crawler tractor has the advantages of small pressure per unit area of soil, good adhesion performance to the soil and the like, has better passing performance in moist and soft soil areas, and is high in traction efficiency. Track tractors are often equipped with guide wheel assemblies to ensure track tightness.

The most designs of traditional leading wheel device are comparatively simple, and in order to improve the stability of leading wheel, the location of sliding is handled mostly need carry out, but uses the back for a long time, and great wearing and tearing appear easily in the department that slides, and subsequent maintenance is comparatively inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a guide wheel device of a crawler tractor.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a crawler tractor's leading wheel device, includes the mount pad and welds in the fixed cross beam of mount pad bottom, the top of mount pad is rotated and is connected with bull stick one, and bull stick key-type connection has the action wheel, fixed cross beam's one end is rotated through the bearing and is connected with bull stick two, and two key-types of bull sticks are connected with the tight pulley, fixed cross beam's the other end is opened there is the mounting groove, and the inner wall of mounting groove has hydraulic buffer through the bolt fastening, hydraulic buffer's tip has the mounting bracket through the bolt fastening, and the mounting bracket rotates through the bearing and is connected with the take-up pulley, the screw thread tube groove that has equidistance annular distribution is opened to the tip of fixed cross beam, and the inner wall in screw thread tube groove has the smooth section of thick bamboo of screw thread through threaded connection, the equal sliding connection of.

Furthermore, the first rotating rod and the second rotating rod are both rotatably connected with the same reinforcing connecting rod through bearings.

Furthermore, fixed blocks distributed at equal intervals are welded on two sides of the bottom end of the fixed cross beam, and the two corresponding fixed blocks are rotatably connected with a third rotating rod through bearings.

Furthermore, the outer wall key-type connection of bull stick three has the walking wheel, and bull stick one, bull stick two and bull stick three all are connected with actuating mechanism.

Further, the key connection is specifically a spline connection.

Further, the mounting seat and the mounting frame are provided with a reinforcing mechanism, the reinforcing mechanism comprises a reinforcing plate horizontally welded on one side of the mounting seat, and two sides of the outer wall of the bottom of the reinforcing plate are provided with T-shaped sliding grooves.

Further, the T-shaped sliding grooves are connected with sliding blocks in a sliding mode, and fixing rods are welded on the two sliding blocks and the opposite side of the mounting rack.

Compared with the prior art, the utility model provides a crawler tractor's leading wheel device possesses following beneficial effect:

1. this crawler tractor's leading wheel device mutually supports between screw thread sliding barrel, the slide bar through setting up, can utilize its limiting displacement, effectively improves the stability when this take-up pulley removes, and the connected mode through screw thread, bolt for wear and tear back appears in long-time use of this screw thread sliding barrel, slide bar, can carry out quick change, increases the device's practicality.

2. This crawler tractor's leading wheel device through the strengthening link who sets up, has the benefit that improves the device bulk strength performance.

3. This crawler tractor's leading wheel device through the strengthening mechanism who sets up, can utilize mutually supporting between T shape spout, the slider, stability when further improving the take-up pulley and removing, and then be favorable to ensureing the tensioning effect of take-up pulley.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses the principle is simple, the practicality is strong.

Drawings

Fig. 1 is a schematic view of the overall structure of a guide wheel device of a crawler tractor according to the present invention;

fig. 2 is a schematic structural view of a threaded sliding cylinder of a guide wheel device of a crawler tractor according to the present invention;

fig. 3 is a schematic structural view of a reinforcing mechanism of a guide wheel device of a crawler tractor according to the present invention.

In the figure: the hydraulic buffer comprises a mounting base 1, a fixing cross beam 2, a fixing block 3, a traveling wheel 4, a fixing wheel 5, a reinforcing connecting rod 6, a driving wheel 7, a reinforcing plate 8, a T-shaped sliding groove 9, a sliding block 10, a tensioning wheel 11, a mounting frame 12, a sliding rod 13, a hydraulic buffer 14, a threaded sliding cylinder 15, a threaded cylinder groove 16 and a fixing rod 17.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-2, a guide wheel device of a crawler tractor comprises a mounting seat 1 and a fixed cross beam 2 welded at the bottom end of the mounting seat 1, wherein the top end of the mounting seat 1 is rotatably connected with a first rotating rod, and the first rotating rod is connected with a driving wheel 7, one end of the fixed beam 2 is rotatably connected with a second rotating rod through a bearing, the rotating rod is connected with a fixed wheel 5 in a two-key way, the other end of the fixed beam 2 is provided with a mounting groove, the inner wall of the mounting groove is fixed with a hydraulic buffer 14 through a bolt, the end part of the hydraulic buffer 14 is fixed with a mounting frame 12 through a bolt, the mounting rack 12 is rotatably connected with a tension wheel 11 through a bearing, the end part of the fixed cross beam 2 is provided with threaded cylinder grooves 16 which are distributed in an annular shape at equal intervals, and the inner wall of the threaded cylinder groove 16 is connected with a threaded sliding cylinder 15 through threads, the threaded sliding cylinders 15 are all connected with sliding rods 13 in a sliding mode, and the end portions of the sliding rods 13 are all fixed to one side of the mounting frame 12 through bolts.

The utility model discloses in, bull stick one and bull stick two all are connected with same enhancement connecting rod 6 through the bearing rotation.

Wherein, the fixed block 3 that the equidistance distributes is all welded to the bottom both sides of fixed cross beam 2, and just corresponds two fixed blocks 3 and is connected with same bull stick three through the bearing rotation.

Wherein, the equal key-type of outer wall of bull stick three is connected with walking wheel 4, and bull stick one, bull stick two and bull stick three all are connected with actuating mechanism.

Wherein, the key connection is spline connection.

The working principle is as follows: during the use, under the mating reaction of hydraulic buffer 14 and take-up pulley 11, ensure that the track remains certain rate of tension throughout to guarantee the normal operating of tractor, in the use, utilize mutually supporting between screw thread slide cartridge 15, the slide bar 13, stability when improving this take-up pulley 11 and remove, and through the connected mode of screw thread, bolt, make screw thread slide cartridge 15, slide bar 13 use for a long time and appear wearing and tearing after, can carry out quick change, convenience when improving the device and using.

Example 2

Referring to fig. 1 and 3, a leading wheel device of crawler tractor, in order to reach the purpose of further improving the stability of the movement of the take-up pulley 11, this embodiment includes that the mounting base 1 and the mounting bracket 12 are installed with the reinforcing mechanism in comparison with embodiment 1, and the reinforcing mechanism includes the reinforcing plate 8 that the level is welded in one side of the mounting base 1, and the bottom outer wall both sides of the reinforcing plate 8 are all opened with the T-shaped chute 9.

Wherein, equal sliding connection of T shape spout 9 has slider 10, and two sliders 10 all weld with the relative one side of mounting bracket 12 has dead lever 17.

The working principle is as follows: when the tensioning device is used, the T-shaped sliding groove 9 and the sliding block 10 are matched with each other, and the limiting and supporting effects are utilized, so that the stability of the tensioning wheel 11 during movement is further improved, and the tensioning effect of the tensioning wheel 11 is ensured.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A guide wheel device of a crawler tractor comprises a mounting seat (1) and a fixed cross beam (2) welded at the bottom end of the mounting seat (1), and is characterized in that the top end of the mounting seat (1) is rotatably connected with a first rotating rod, the first rotating rod is connected with a driving wheel (7) in a key mode, one end of the fixed cross beam (2) is rotatably connected with a second rotating rod through a bearing, the second rotating rod is connected with a fixed wheel (5) in a key mode, the other end of the fixed cross beam (2) is provided with a mounting groove, a hydraulic buffer (14) is fixed on the inner wall of the mounting groove through a bolt, the end part of the hydraulic buffer (14) is fixed with a mounting frame (12) through a bolt, the mounting frame (12) is rotatably connected with a tensioning wheel (11) through a bearing, the end part of the fixed cross beam (2) is provided with threaded cylinder grooves (16) distributed in an annular mode at equal intervals, and the, the threaded sliding cylinders (15) are all connected with sliding rods (13) in a sliding mode, and the end portions of the sliding rods (13) are all fixed to one side of the mounting frame (12) through bolts.

2. The guide wheel device of a crawler tractor according to claim 1, wherein the first rotating rod and the second rotating rod are rotatably connected with the same reinforcing connecting rod (6) through bearings.

3. The guide wheel device of the crawler tractor according to claim 1, wherein the fixed blocks (3) are welded on both sides of the bottom end of the fixed beam (2) and are distributed equidistantly, and the same rotating rod III is rotatably connected to the two corresponding fixed blocks (3) through a bearing.

4. The guide wheel device of the crawler tractor as claimed in claim 3, wherein the outer wall of the third rotating rod is connected with a traveling wheel (4) in a key mode, and the first rotating rod, the second rotating rod and the third rotating rod are connected with a driving mechanism.

5. Guide wheel arrangement of a crawler tractor according to claim 4, wherein the key connection is in particular a splined connection.

6. The guide wheel device of the crawler tractor according to claim 1, wherein the mounting base (1) and the mounting frame (12) are provided with a reinforcing mechanism, the reinforcing mechanism comprises a reinforcing plate (8) horizontally welded on one side of the mounting base (1), and both sides of the outer wall of the bottom of the reinforcing plate (8) are provided with T-shaped sliding chutes (9).

7. Guide wheel device of a crawler tractor according to claim 6, characterized in that the T-shaped runners (9) are each slidably connected with a slider (10) and that the two sliders (10) are welded with a fixing rod (17) on the opposite side of the mounting frame (12).