JPH0210064Y2 - - Google Patents

Info

Publication number
JPH0210064Y2
JPH0210064Y2 JP15141584U JP15141584U JPH0210064Y2 JP H0210064 Y2 JPH0210064 Y2 JP H0210064Y2 JP 15141584 U JP15141584 U JP 15141584U JP 15141584 U JP15141584 U JP 15141584U JP H0210064 Y2 JPH0210064 Y2 JP H0210064Y2
Authority
JP
Japan
Prior art keywords
crawler
attached
swing
roller
traveling device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP15141584U
Other languages
Japanese (ja)
Other versions
JPS6167078U (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP15141584U priority Critical patent/JPH0210064Y2/ja
Publication of JPS6167078U publication Critical patent/JPS6167078U/ja
Application granted granted Critical
Publication of JPH0210064Y2 publication Critical patent/JPH0210064Y2/ja
Expired legal-status Critical Current

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Landscapes

  • Harvester Elements (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Jib Cranes (AREA)

Description

【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、コンバインの走行装置等として多用
されるクローラ走行装置で、詳しくは、クローラ
の接地側部分を回動案内する下部転輪のうち、前
後中央側のものをトラツクフレームに上下揺動自
在に取付けるとともに、残りの下部転輪をトラツ
クフレームに位置固定状態に取付け、前記クロー
ラの非接地側部分を回動案内する上部転輪を設け
てあるクローラ走行装置に関する。
[Detailed description of the invention] [Field of industrial application] The present invention is a crawler traveling device that is often used as a traveling device for combine harvesters. , the one on the front and rear center side is attached to the truck frame so as to be able to swing vertically, and the remaining lower rollers are attached to the truck frame in a fixed position, and an upper roller is provided for rotationally guiding the non-ground side portion of the crawler. This invention relates to a crawler traveling device.

〔従来の技術〕[Conventional technology]

この種のクローラ走行装置においては、前記前
後中央の可動下部転輪がクローラから外れるこ
と、つまり、脱輪を防止する上で、クローラの上
下動にかかわらず、可動下部転輪が常にクローラ
に接当するように、つまり、クローラの上下動に
追従して可動下部転輪が上下揺動するように、可
動下部転輪を下方に揺動付勢する必要がある。そ
のため、従来においては、第4図に示すように、
前記可動下部転輪02Aをトラツクフレーム03
に取付ける揺動ブラケツト04を下方に揺動付勢
するスプリング010を設けて、クローラ01に
追従させる構造が提案されていた。また、前記上
部転輪02Bを取付けるに、トラツクフレーム0
3に固定ブラケツト012を固着し、この固定ブ
ラケツト012にクローラ01を受止める上部転
輪02Bを支承させていた。
In this type of crawler traveling device, in order to prevent the front and rear movable lower rollers from coming off the crawler, the lower movable rollers are always in contact with the crawler regardless of the vertical movement of the crawler. In other words, it is necessary to swing the movable lower rolling wheels downward so that the movable lower rolling wheels swing up and down following the vertical movement of the crawler. Therefore, conventionally, as shown in Figure 4,
The movable lower roller 02A is attached to the track frame 03.
A structure has been proposed in which a spring 010 is provided to swing and urge the swing bracket 04 attached to the crawler 01 downward. In addition, in order to install the upper roller 02B, the track frame 0
A fixed bracket 012 was fixed to the roller 3, and an upper roller 02B for receiving the crawler 01 was supported on the fixed bracket 012.

〔考案が解決しようとする問題点〕[Problem that the invention attempts to solve]

しかしながら、前記従来手段によるときは、可
動下部転輪を付勢するためのスプリング、上部転
輪を取付けるための固定ブラケツトが必要で、そ
れらスプリングおよび固定ブラケツトの取付け構
造を含め構成部材点数が多くなり、その結果、構
造が複雑化し、かつ、組立作業に多大な手数がか
かるといつた欠点があつた。
However, when using the above-mentioned conventional means, a spring for urging the movable lower roller and a fixed bracket for mounting the upper roller are required, and the number of components including the mounting structure for these springs and the fixed bracket increases. As a result, the structure became complicated and the assembly work required a great deal of effort.

本考案の目的は、上記従来欠点を解消しようと
する点にある。
An object of the present invention is to overcome the above-mentioned conventional drawbacks.

〔問題点を解決するための手段〕 本考案によるクローラ走行装置の特徴構成は、
可動下部転輪をトラツクフレームに取付ける揺動
ブラケツトに、前記上部転輪を、可動下部転輪と
同方向に上下揺動する状態に取付けた点にある。
上記特徴構成による作用・効果は次の通りであ
る。
[Means for solving the problem] The characteristic configuration of the crawler traveling device according to the present invention is as follows:
The movable lower roller is attached to a swing bracket for attaching the lower movable roller to the truck frame, and the upper roller is attached so as to swing up and down in the same direction as the lower movable roller.
The functions and effects of the above characteristic configuration are as follows.

クローラの非接地側部分の重量および張力によ
り上部転輪が下方に押圧され、これにより、可動
下部転輪がクローラにおける接地側部分の上下動
に追従して上下に揺動するように揺動付勢され
る。
The upper roller is pressed downward by the weight and tension of the non-grounding side of the crawler, and the movable lower roller is pivoted so that it follows the vertical movement of the grounding side of the crawler and swings up and down. Forced.

〔考案の効果〕[Effect of idea]

従つて、可動下部転輪をトラツクフレームに取
付けるために必須の揺動ブラケツトを、上部転輪
を取付け得るように延長するだけの簡単な構造改
良により可動下部転輪を下方に付勢するためのス
プリングおよび上部転輪を取付けるためのブラケ
ツトが不要で、全体として構成部品点数が少な
く、構造簡単で、かつ、組立作業性に勝れたクロ
ーラ走行装置を提供できるようになつた。
Therefore, it is possible to force the movable lower rollers downward by simply improving the structure by extending the swing bracket, which is essential for attaching the lower movable rollers to the truck frame, so that the upper rollers can be attached. It is now possible to provide a crawler traveling device that does not require a bracket for attaching a spring or an upper roller, has a small number of component parts as a whole, is simple in structure, and has excellent assembly workability.

〔実施例〕〔Example〕

以下、本考案の実施例を図面に基づいて説明す
る。
Hereinafter, embodiments of the present invention will be described based on the drawings.

第1図、第3図に示すようにトラツクフレーム
3の前端に駆動スプロケツト5が、かつ、後端に
緊張輪6が、それぞれ設けられると共に、トラツ
クフレーム3の下方前部及び下方後部にそれぞれ
複数個の転輪2a・・が支軸固定状態に支承さ
れ、トラツクフレーム3の下方中央部、つまり、
前記前部及び後部の転輪2a・・に挾まれた部分
に2つの転輪2A,2Aが揺動ブラケツト4,4
を介して上下揺動自在に取付けられ、更に、これ
ら、スプロケツト5、緊張輪6、転輪2a・・,
2A,2Aにゴム製のクローラ1が巻回されて、
コンバインの走行装置等として用いられるクロー
ラ走行装置が構成されている。
As shown in FIGS. 1 and 3, a drive sprocket 5 is provided at the front end of the truck frame 3, and a tension wheel 6 is provided at the rear end. The rolling wheels 2a... are supported in a fixed state on the support shaft, and the lower central part of the truck frame 3, that is,
Two wheels 2A, 2A are mounted on swing brackets 4, 4 at a portion sandwiched between the front and rear wheels 2a.
The sprocket 5, the tension wheel 6, the roller 2a...
A rubber crawler 1 is wound around 2A, 2A,
A crawler traveling device used as a traveling device for a combine harvester or the like is configured.

前記クローラ1には、一定間隔で芯金7が埋設
されると共に、第2図に示すように、芯金7には
巻回内方に向けて夫々、左右一対の突起7a,7
aが設けられており、前記芯金7・・の前後中間
には、前記スプロケツト5が係合する貫通孔7
a・・が穿設されている。
In the crawler 1, core metals 7 are buried at regular intervals, and as shown in FIG.
A through hole 7 is provided in the middle of the front and back of the core bar 7, and the sprocket 5 engages with the through hole 7.
A... is drilled.

前記前部及び後部の転輪2a・・は、突起7
a,7aを左右方向に跨ぐ、いわゆる、外転輪型
のものであり、又、前記中央の転輪2A,2A
は、突起7a,7aの内方に入り込む、いわゆ
る、内転輪型のものであつて、いずれも、クロー
ラ1の接地側部分1Aを回動案内するものであ
る。尚、前記中央転輪2Aのみがゴム輪構造とな
つている。
The front and rear wheels 2a are provided with projections 7.
It is a so-called outer wheel type that straddles the wheels 2A and 7a in the left and right direction, and the center wheels 2A and 2A
are of the so-called inner wheel type that enter inside the protrusions 7a, 7a, and both serve to rotationally guide the ground contact side portion 1A of the crawler 1. Note that only the central roller 2A has a rubber ring structure.

前記揺動ブラケツト4は同一方向に上下揺動す
る上下2つの遊端部を備えたものであつて、第2
図に示すように、左右のアーム4a,4aから構
成され、トラツクフレーム3を側方から貫通する
支軸8に支承されている。そして、アーム4a,
4aの下部遊端間にわたつては、前記転輪2Aを
支承する支軸9が取付けられ、かつ、可動下部転
輪2A,2Aと同方向に上下揺動する上部遊端間
にわたつては、クローラ1の非接地側部分1Bを
回動案内する上部転輪2Bを支承する支軸10が
取付けられている。
The swing bracket 4 is provided with two free ends, upper and lower, which swing up and down in the same direction.
As shown in the figure, it is composed of left and right arms 4a, 4a, and is supported by a support shaft 8 that passes through the truck frame 3 from the side. And arm 4a,
A support shaft 9 for supporting the roller 2A is attached between the lower free ends of the movable lower rollers 2A, and between the upper free ends which swing up and down in the same direction as the movable lower rollers 2A. , a support shaft 10 is attached that supports an upper roller 2B that rotationally guides the non-grounding side portion 1B of the crawler 1.

もつて、クローラ走行装置は、クローラ1にお
ける非接地側部分1Bの重量および張力により上
部転輪2Bを下方に押圧させて、可動下部転輪2
Aを下方に揺動付勢することにより、クローラ1
における接地側部分1Aの上下動に追従して前記
可動下部転輪2Aを上下に揺動するように構成さ
れている。
Consequently, the crawler traveling device presses the upper roller 2B downward by the weight and tension of the non-grounding side portion 1B of the crawler 1, and moves the movable lower roller 2B downward.
By swinging and urging A downward, the crawler 1
The movable lower roller 2A is configured to swing vertically in accordance with the vertical movement of the ground contact side portion 1A.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図ないし第3図は本考案に係るクローラ走
行装置の実施例を示し、第1図は揺動ブラケツト
部の側面図、第2図は揺動ブラケツト部の縦断面
図、第3図はクローラの全体側面図である。第4
図は従来例を示す揺動ブラケツト部の側面図であ
る。 1……クローラ、1A……クローラの接地側部
分、1B……クローラの非接地側部分、2A……
可動下部転輪、2B……上部転輪、2a……下部
転輪、3……トラツクフレーム、4……揺動ブラ
ケツト。
1 to 3 show an embodiment of the crawler traveling device according to the present invention, in which FIG. 1 is a side view of the swinging bracket, FIG. 2 is a longitudinal sectional view of the swinging bracket, and FIG. 3 is a longitudinal sectional view of the swinging bracket. FIG. 3 is an overall side view of the crawler. Fourth
The figure is a side view of a swing bracket section showing a conventional example. 1... Crawler, 1A... Ground side part of crawler, 1B... Non-ground side part of crawler, 2A...
Movable lower roller, 2B... Upper roller, 2a... Lower roller, 3... Track frame, 4... Swing bracket.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] クローラ1の接地側部分1Aを回動案内する下
部転輪のうち、前後中央側のもの2Aをトラツク
フレーム3に上下揺動自在に取付けるとともに、
残りの下部転輪2aをトラツクフレーム3に位置
固定状態に取付け、前記クローラ1の非接地側部
分1Bを回動案内する上部転輪2Bを設けてある
クローラ走行装置において、前記可動下部転輪2
Aをトラツクフレーム3に取付ける揺動ブラケツ
ト4に、前記上部転輪2Bを、可動下部転輪2A
と同方向に上下揺動する状態に取付けてあるクロ
ーラ走行装置。
Among the lower rollers that rotationally guide the ground-contacting side portion 1A of the crawler 1, the one 2A on the front and rear center side is attached to the truck frame 3 so as to be swingable up and down,
In the crawler traveling device, the remaining lower roller wheels 2a are fixedly attached to the track frame 3, and an upper roller wheel 2B is provided for rotationally guiding the non-grounding side portion 1B of the crawler 1.
The upper roller 2B is attached to the swing bracket 4 which is attached to the truck frame 3, and the movable lower roller 2A is attached to the swing bracket 4.
The crawler traveling device is installed so that it can swing up and down in the same direction.
JP15141584U 1984-10-05 1984-10-05 Expired JPH0210064Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15141584U JPH0210064Y2 (en) 1984-10-05 1984-10-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15141584U JPH0210064Y2 (en) 1984-10-05 1984-10-05

Publications (2)

Publication Number Publication Date
JPS6167078U JPS6167078U (en) 1986-05-08
JPH0210064Y2 true JPH0210064Y2 (en) 1990-03-13

Family

ID=30709528

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15141584U Expired JPH0210064Y2 (en) 1984-10-05 1984-10-05

Country Status (1)

Country Link
JP (1) JPH0210064Y2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2788611B2 (en) * 1995-02-13 1998-08-20 株式会社クボタ Combine

Also Published As

Publication number Publication date
JPS6167078U (en) 1986-05-08

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