JPH0542063U - Crawler guide mechanism with an equalizer - Google Patents

Abstract

(57) [Summary] [Purpose] To prevent crawler disengagement and lateral slippage when crossing ridges of crawler type traveling devices of mobile work machines such as combine harvesters. In a crawler type traveling device equipped with an equalizer, a crawler guide is arranged outside or inside an equalizer roller rotatably supported by an equalizer frame, and the crawler guide is fixed to the equalizer frame.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a structure of a crawler guide for preventing a crawler-type traveling device mounted on a mobile work machine such as a combine from coming off the crawler.

[0002]

[Prior Art]

 BACKGROUND ART Conventionally, a technique related to a crawler type traveling device equipped in a mobile work machine such as a combine has been publicly known, and is, for example, a technique disclosed in Japanese Utility Model Laid-Open No. 1-106379. A cored bar is projected on the inner surface of the crawler so that the crawler of these crawler type traveling devices does not come off from the track roller.

[0003]

[Problems to be solved by the device]

 However, the equalizer is arranged so that it can be stably passed over a convex road such as a ridge, but in the case of the middle wheel type in which the roller of the equalizer supports the core metal, the lateral displacement of the crawler is prevented. However, there is a problem that noise is increased, and if the equalizer roller is of the outer wheel type, there is a danger that if the equalizer is used a lot, the crawler will come loose easily.

[0004]

[Means for Solving the Problems]

 The problem to be solved by the present invention is as described above. Next, in order to solve the problem, in a crawler type traveling device equipped with an equalizer, an equalizer roller is rotatably supported by an equalizer frame, and is mounted on the outside or inside of the equalizer roller. A crawler guide is arranged and the crawler guide is fixed to the equalizer frame.

[0005]

[Action]

 The operation of the present invention will be described. By providing a crawler guide mechanism on the equalizer frame of each equalizer device, it has become possible to prevent lateral crawling and disengagement of the crawler.

[0006]

【Example】

 The problem to be solved and the means to solve the present invention are as described above. Next, the specific configuration of the present invention will be described with reference to the accompanying drawings. FIG. 1 is an overall perspective view of a combine, and FIG. 2 is a crawler type traveling. A side view of the apparatus, FIG. 3 is a rear view of an outer wheel type equalizer in which a middle collar is attached to the equalizer, FIG. 4 is a rear view of a middle wheel type equalizer similarly having an outer collar, and FIG. 5 is an outer wheel type. FIG. 6 is a side view in which a crawler guide is attached to the equalizer, FIG. 6 is a rear cross-sectional view of the same, FIG. 7 is a side view in which a crawler guide is attached to a middle wheel type equalizer, and FIG. 8 is a rear view of the same.

Explaining the overall structure of the combine in FIG. 1, the combine mounts the machine frame 2 on the crawler type traveling device A, and the threshing device, the selecting device, the Glen tank 5, etc. are mounted on the machine frame 2. A driver's seat 6 is mounted on the front of the Glen tank 5, a canopy roof 3 is arranged above the driver's seat 6, and the columns 3a and 3a supporting the canopy roof 3 are the Glen tank 5 In addition to reinforcing each other at the front, they are also arranged to serve as a safety frame.

A raising and / or mowing device 7 is arranged in front of the threshing device 4, and the raising and / or mowing device 7 causes a tine 9 to raise a grain culm which is raised by a sward plate 8 provided at the front end. The stock is cut off with a cutting blade, and the cut grain culm is sent backward by the upper transfer device, the lower transfer device, and the vertical transfer device, and the stock source is taken over by the feed chain, Thus, the grain culms are sandwiched and then threshed by the threshing device 4, the grain after the threshing is sorted by the sorting device, and the refined grains are stored in the grain tank 5.

Next, the configuration of the crawler type traveling device A will be described with reference to FIG. 2. The crawler type traveling device A includes a track frame 15 supporting a pair of left and right crawlers 14, a plurality of rolling wheels (track rollers), and an equalizer 16. 17 and a drive sprocket 18. The drive sprocket 18 is fixed to a drive shaft protruding laterally from the mission case, and the track frame 15 is supported by the lower frame 2b of the machine body frame 2. The swing arm 21 pivotally supported by the fulcrum pipe 20 is pivotally supported at the lower end of the swing arm 21. The swing arm 21 is arranged at four positions in the front, rear, left, and right. The lifting cylinder 22 has a base portion pivotally supported on the upper frame 2a. A connecting rod 23 is pivotally supported on a swing arm 21 below the pivotal support portion with the rod 22a and pivotally connected to the front swing arm 21F, and the lifting cylinder 22 is operated by an input from a horizontal sensor or manually to operate the track frame 15 Is configured so that it can be controlled to move up and down.

A first transfer wheel 24, a front equalizer 16, a rear equalizer 17, a second transfer wheel 25, and a third transfer wheel 26 are arranged in this order from the front end to the rear end of the track frame 15, and the track frame is provided. A tension roller 27 and a carrier roller 34 that guides the upper side of the crawler 14 are provided on the rear part of the fifteen, and the respective rolling wheels and equalizer rollers are rotatably and pivotally supported. The crawler 14 is wound around the wheel 24, the equalizer rollers 16c and 16d of the front equalizer 16, the equalizer rollers 17c and 17d of the rear equalizer 17, the second wheel 25, the third wheel 26, and the tension roller 27. The device A is capable of traveling.

The equalizer 16 is provided with rotation fulcrums 16a and 17a at the upper center of the equalizer frames 16b and 17b, and rotatably supports equalizer rollers 16c, 16d, 17c, and 17d on both lower sides of the equalizer frames 16b and 17b. -ing The equalizers 16 and 17 can smoothly move the center of gravity when crossing the ridge, but when the crawler 14 is loosened, the equalizers 16 and 17 are easily disengaged. Torque springs 33 and 33 are interposed between the equalizer frame 17a and the equalizer frames 16b and 17b, and the equalizer 16 located in front of the center of the machine body (center of installation length) arranges the torque spring 33 so that the front equalizer roller 16c pushes it downward. A torque spring 33 is provided so that the rear equalizer roller 17d pushes down the equalizer 17 located behind the center of the machine body.

In order to prevent the crawler 14 from coming off, in the present invention, as shown in FIG. 3, in the case of the outer wheel type equalizer 16 (17), the crawler 14 is positioned on the equalizer roller shaft 16e between the cored bars 14a and 14a. The brim 35 is installed. Further, as shown in FIG. 4, in the case of the inner wheel type equalizer 16 ′, the collar 35 is provided on both sides of the core metal 14 (there may be only one side) on the equalizer roller shafts 16e ′. 35 'is installed.

It is also possible to use a crawler guide instead of the brim so that the crawler 14 does not come off, and a case where the crawler guide is attached to the front side equalizer 16 will be described. As shown in FIGS. 28 is formed in a “C” shape on both sides so as to face each other, and is formed in an arc shape that circumscribes the front and rear equalizer rollers 16c and 16d around a rotation fulcrum 16a arranged in the upper center of the equalizer 16 as a center. The center of 28 is fixed to the lower part of the center of the equalizer frame 16b as a fixed portion 28a, and the crawler guide 28 is located inside the core metal 14a of the crawler. However, the rear equalizer 17 has the same configuration as the front equalizer 16.

7 and 8, the crawler guide of the intermediate wheel type equalizer will be described. The crawler guide 31 is provided outside the core metal 14a of the crawler, and the intermediate wheel type of the crawler metal cores 14a and 14a. The equalizer roller 16c 'of the equalizer 16' is arranged, the crawler guide 31 has substantially the same shape as the crawler guide 28, the center is recessed upward, and the center is fixed to the equalizer frame 16b 'with bolts or the like. As described above, the crawler guide 31 can swing about the rotation fulcrum 16a of the equalizer. The rear equalizer 17 ′ has the same structure as that of the intermediate wheel type equalizer 30.

[0015]

EFFECTS OF THE INVENTION Since the present invention is configured as described above, it has the following effects. That is, the equalizer roller or crawler guide will forcibly follow the crawler even if it slacks when crossing ridges, etc., and prevents the crawler from slipping off, lateral displacement, and noise even when a lateral force is applied during turning. I was able to do it. In addition, the crawler guide was conventionally configured not to project from the outer circumference of the rolling wheel, but since the crawler guide is configured to rotate together with the equalizer frame, the crawler can be prevented from coming off and sticking to the crawler. Is gone.

[Brief description of drawings]

FIG. 1 is an overall perspective view of a combine.

FIG. 2 is a side view of a crawler type traveling device.

FIG. 3 is a rear view of an outer wheel type equalizer in which a middle collar is attached to the equalizer.

FIG. 4 is a rear view of the inner race wheel type equalizer, which is also provided with a flange on the outer side.

FIG. 5 is a side view in which a crawler guide is attached to an outer wheel type equalizer.

FIG. 6 is a rear sectional view of the same.

FIG. 7 is a side view in which a crawler guide is mounted on a center wheel type equalizer.

FIG. 8 is a rear view of the same.

[Explanation of symbols]

 A Crawler type traveling device 14 Crawler 28 Crawler guide 31 Crawler guide 35 Tsuba

Claims (1)

[Scope of utility model registration request] 1. A crawler type traveling device equipped with an equalizer, wherein a crawler guide is arranged outside or inside of an equalizer roller rotatably supported by an equalizer frame, and the crawler guide is fixed to the equalizer frame. Crawler guide mechanism with an equalizer.