JPH0412874Y2 - - Google Patents
Info
- Publication number
- JPH0412874Y2 JPH0412874Y2 JP1985109903U JP10990385U JPH0412874Y2 JP H0412874 Y2 JPH0412874 Y2 JP H0412874Y2 JP 1985109903 U JP1985109903 U JP 1985109903U JP 10990385 U JP10990385 U JP 10990385U JP H0412874 Y2 JPH0412874 Y2 JP H0412874Y2
- Authority
- JP
- Japan
- Prior art keywords
- wheel
- stopper
- lower rolling
- frame
- rolling wheel
- 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
Links
- 238000005096 rolling process Methods 0.000 claims description 39
- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Handcart (AREA)
- Agricultural Machines (AREA)
Description
【考案の詳細な説明】
(イ) 産業上の利用分野
本考案は、動力運搬車の下部転動輪ストツパー
構造に関するものである。[Detailed description of the invention] (a) Industrial application field The present invention relates to a lower rolling wheel stopper structure for a power carrier.
(ロ) 従来の技術
従来、クローラ式に構成した動力運搬車の走行
部は、走行フレームの前後端に駆動輪と遊動輪と
を連結し、同フレームの上側中央部には上部転動
輪を設け、また、同フレーム下側には所要個数の
下部転動輪を支持ブラケツトを介して揺動自在に
垂設して、駆動輪と遊動輪との間に懸架した履帯
を上記各転動輪にて支持せしめるべく構成してい
る。(b) Conventional technology Conventionally, the running section of a power carrier constructed in a crawler type has a drive wheel and an idler wheel connected to the front and rear ends of a running frame, and an upper rolling wheel is provided at the upper center of the frame. In addition, a required number of lower rolling wheels are vertically swingably mounted on the lower side of the frame via support brackets, and the crawler track suspended between the drive wheel and the idler wheel is supported by each of the rolling wheels. It is designed to encourage people.
そして、支持ブラケツトを介して揺動自在に垂
設した下部転動輪は、走行路面の凹凸形状に追随
して上下動すべく構成しているのであり、しか
も、同転動輪の上昇変動時に支持ブラケツトが走
行フレームに直接干渉するのを防止すべく、同フ
レーム下側面には弾性ゴム体等のクツシヨン機能
を果す部材を設けることにより、同ゴム体等にて
支持ブラケツトと走行フレームとの損傷を回避し
ていた。 The lower rolling wheels, which are swingably hung vertically via the support brackets, are configured to move up and down following the uneven shape of the running road surface, and when the rolling wheels move upward, the support brackets In order to prevent the support bracket from directly interfering with the running frame, a member that functions as a cushion, such as an elastic rubber body, is provided on the underside of the frame, thereby preventing damage to the support bracket and the running frame. Was.
(ハ) 考案が解決しようとする問題点
ところが、クローラ式の走行部を有する動力運
搬車の走行する所は、きわめて凹凸の激しい場所
が多く、そのために下部転動輪の上下揺動の回数
も非常に多くなつて、弾性ゴム体等の損耗度合は
大きなものとなつている。(c) Problems to be solved by the invention However, the places where power carriers with crawler-type running parts travel are often extremely uneven, and as a result, the number of vertical swings of the lower rolling wheels is extremely large. As a result, the degree of wear and tear on elastic rubber bodies, etc. is increasing.
従つて、上記弾性ゴム体等の干渉部材の修復作
業が頻繁に行われなければならないという不具合
があつた。 Therefore, there has been a problem in that the interference member such as the elastic rubber body must be repaired frequently.
(ニ) 問題点を解決するための手段
そこで、本考案では、クローラ式の走行部１に
おいて、前後端に駆動輪９と遊動輪１０とを連結
支持している走行フレーム８の前後部に、各々前
後ストツパー兼補強体１７，１７′を嵌装し、各
補強体１７，１７′には各々支持ブラケツト１４
を介して下部転動輪１２を多数上下揺動自在に連
結支持させ、しかも、同補強体１７，１７′の下
側端で、駆動輪近接側、乃至遊動輪近接側に、
各々最前後端部に位置する下部転動軸受止め用の
前後ストツパー部を設けると共に、各ストツパー
部を、下部転動輪１２の周面形状に相対すべく凹
状弯曲面に形成して、各ストツパー部の下端面に
より上動変位する上記転動輪を嵌合状態にて受止
めるように構成してなる動力運搬車の下部転動輪
ストツパー構造を提供せんとするものである。(d) Means for solving the problem Therefore, in the present invention, in the crawler type running section 1, at the front and rear of the running frame 8, which connects and supports the driving wheel 9 and the idler wheel 10 at the front and rear ends, Front and rear stoppers and reinforcing bodies 17 and 17' are respectively fitted, and support brackets 14 are fitted to each of the reinforcing bodies 17 and 17'.
A large number of lower rolling wheels 12 are connected and supported so as to be able to swing up and down, and at the lower end of the reinforcing bodies 17, 17', the lower rolling wheels 12 are connected to the drive wheel proximal side or the idler wheel proximal side.
Front and rear stopper portions for lower rolling bearing retaining are provided at the front and rearmost ends, respectively, and each stopper portion is formed into a concave curved surface to face the circumferential shape of the lower rolling wheel 12. It is an object of the present invention to provide a lower rolling wheel stopper structure for a power transport vehicle, which is configured to receive the above-mentioned rolling wheel, which is displaced upwardly, in a fitted state by the lower end surface of the vehicle.
(ホ) 作用
クローラ式の走行部が凹凸路面を走行する際に
は、下部転動輪が同路面形状に追随して上下揺動
するものであり、この際、駆動輪、及び、遊動輪
に近接位置する下部転動輪が、最もよく上下動す
るものであるが、大きく上動変位する同転動輪
は、走行フレームの前後部に嵌装すると共に、同
転動輪自体位を支持ブラケツトを介して支持して
いる前後ストツパー兼補強体の前後ストツパー部
にて受止められるために、同転動輪、及び、他の
干渉部材が損傷等せられることなく円滑な走行が
なされるものである。(E) Function When the crawler type running section travels on an uneven road surface, the lower rolling wheels follow the shape of the road surface and swing up and down. The lower rolling wheels that are located are the ones that move up and down most often, but the rolling wheels that have a large upward displacement are fitted to the front and rear of the traveling frame, and the position of the rolling wheels themselves is supported via support brackets. Since it is received by the front and rear stopper portions of the front and rear stopper/reinforcement body, the rolling wheels and other interfering members are not damaged and run smoothly.
しかも、ストツパー部は、下部転動輪の周面形
状に相対すべく凹状弯曲面に形成して、上動変位
する転動輪を嵌合状態にて受止めるようにしてい
るために、転動輪を確実に受止めることができる
と共に、受止め時に転動輪を損傷等するのを防止
することもできる。 Moreover, the stopper part is formed into a concave curved surface to face the circumferential shape of the lower rolling wheel, and receives the rolling wheel displacing upward in a fitted state, so that the rolling wheel can be securely held. It is possible to prevent the rolling wheels from being damaged during the catching.
さらに、上記補強体は、走行フレームの補強機
能をも果すことより、同フレームの強度がアツプ
するものである。 Furthermore, the reinforcing body also functions to reinforce the traveling frame, thereby increasing the strength of the frame.
(ヘ) 効果
本考案によれば、走行フレームの前後部に、
各々前後ストツパー兼補強体を嵌装しているため
に、同補強体にて下部転動輪の支持と上動変位時
の受止め機能が確実に果されて、走行が円滑に行
われると共に、走行フレームの補強がなされて、
強度性能が大きく向上するという効果を奏する。(f) Effects According to the present invention, at the front and rear of the traveling frame,
Since the front and rear stoppers and reinforcing bodies are fitted on each side, the reinforcing bodies can reliably support the lower rolling wheels and catch the upward displacement, allowing smooth running and smooth running. The frame has been reinforced,
This has the effect of greatly improving strength performance.
(ト) 実施例
本考案の実施例を図面をもとづき詳説すれば、
Ａは動力運搬車であり、同運搬車Ａはクローラ式
の左右走行部１，１間に機体フレーム２を架設
し、同フレーム２上の前部左側に運転部３を設
け、そして、前部右側に原動機部４と燃料タンク
５とを前後に各々配設して、同フレーム２後部に
は荷台６をダンプシリンダ７を介して後方へダン
プ作動可能構成している。(G) Example The example of the present invention will be explained in detail based on the drawings.
A is a power transport vehicle, and the transport vehicle A has a body frame 2 installed between crawler-type left and right running sections 1, 1, a driving section 3 on the front left side of the frame 2, and a front section. A prime mover section 4 and a fuel tank 5 are disposed on the right side in the front and rear, and a cargo platform 6 is arranged at the rear of the frame 2 so as to be capable of being dumped rearward via a dump cylinder 7.
走行部１は、前後長手矩形筒状に形成した走行
フレーム８の前後端に駆動輪９と遊動輪１０とを
連結し、同フレーム８の上側中央部には上部転動
輪１１を遊転自在に取付け、また、同フレーム８
の下側には下部転動輪１２を多数取付けて、駆動
輪９と遊動輪１０との間に履帯１３を懸架すると
共に、同履帯１３の上下側内面を上記転動輪１
１，１２により緊張支持せしめるべく構成してい
る。 The running section 1 has a drive wheel 9 and an idler wheel 10 connected to the front and rear ends of a running frame 8 formed in a longitudinally rectangular cylindrical shape, and an upper rolling wheel 11 is arranged in the upper center of the frame 8 so as to freely rotate. Installation, also the same frame 8
A large number of lower rolling wheels 12 are attached to the lower side, and a crawler belt 13 is suspended between the driving wheel 9 and the idler wheel 10, and the upper and lower inner surfaces of the crawler belt 13 are connected to the rolling wheels 1.
1 and 12 for tension support.
そして、下部転動輪１２は、前後上側斜辺の長
さの異なる不等辺五角形状に形成した左右側支持
ブラケツト１４，１４の前後部間に、各同枢軸１
５を介して遊転自在に軸支され、同ブラケツト１
４，１４の上側中央部に張出し形成した頂部１４
−１，１を走行フレーム８の前後部、及び、中央
部に枢支ピン１６を介して揺動自在に枢支連結し
ているものであり、同フレーム８の前後部に連結
する同ブラケツト１４，１４については、同フレ
ーム８に設けた前後ストツパー兼補強体１７，１
７′に取付けている。 The lower rolling wheels 12 are mounted between the front and rear support brackets 14, 14 of the left and right sides, which are formed into a scalene pentagonal shape with different lengths of the front and rear upper hypotenuses.
The bracket 1 is rotatably supported via the bracket 5.
4, 14 The top part 14 is formed in an overhanging central part on the upper side.
- 1 and 1 are pivotally connected to the front and rear of the traveling frame 8 and the central part via a pivot pin 16, and the same bracket 14 is connected to the front and rear of the frame 8. , 14, the front and rear stoppers/reinforcing bodies 17, 1 provided on the same frame 8
It is installed at 7'.
すなわち、上記補強体１７，１７′は、矩形板
体を断面略逆Ｕ字状に折曲形成して、走行フレー
ム８の左右側面、及び、上側面を当接囲繞すべく
構成すると共に、左右側下端中央部１７−１，
１，１７′−１，１を各々下方へ膨出状に形成し、
各中央部１７−１，１，１７′−１，１にはピン
挿通孔１８，１８を設けて、同挿通孔１８，１８
を介して左右側支持ブラケツト１４，１４の頂部
１４−１，１を枢支ピン１６にて枢支しているも
のである。 That is, the reinforcing bodies 17, 17' are formed by bending rectangular plates to have a substantially inverted U-shaped cross section, and are constructed so as to abut and surround the left and right side surfaces and the upper side of the traveling frame 8. Lower side center part 17-1,
1,17'-1,1 are each formed in a downwardly bulging shape,
Pin insertion holes 18, 18 are provided in each central portion 17-1, 1, 17'-1, 1.
The top portions 14-1, 1 of the left and right side support brackets 14, 14 are pivotally supported by a pivot pin 16 via.
しかも、前ストツパー兼補強体１７は、走行フ
レーム８の駆動輪９近接位置に装着し、同補強体
１７の下側端前部には前ストツパー部１７−２を
設けており、同前ストツパー部１７−２は、最前
部に位置する下部転動輪１２の周面形状に相対す
べく凹状弯曲面に形成し、走行路面に追随して上
動変位する同下部転動輪１２が同前ストツパー部
１７−２に嵌合状態にて受止められるように構成
している。 Moreover, the front stopper/reinforcing body 17 is attached to the driving frame 8 at a position close to the driving wheel 9, and a front stopper part 17-2 is provided at the front part of the lower end of the reinforcing body 17. 17-2 is formed into a concave curved surface to face the circumferential shape of the lower rolling wheel 12 located at the frontmost part, and the lower rolling wheel 12, which moves upwardly following the running road surface, is connected to the front stopper part 17. -2 in a fitted state.
また、後ストツパー兼補強体１７′は、走行フ
レーム８の遊動輪１０近接位置に装着し、同補強
体１７′の下側端後部には後ストツパー部１７′−
２を、前ストツパー部１７−２と同様に凹状弯曲
面に形成して、最後部に位置する下部転動輪１２
が受止められるように構成している。 The rear stopper/reinforcement body 17' is attached to the traveling frame 8 at a position close to the idler wheel 10, and the rear stopper portion 17' is attached to the rear of the lower end of the reinforcement body 17'.
2 is formed into a concave curved surface similar to the front stopper part 17-2, and the lower rolling wheel 12 located at the rearmost part
It is configured so that it can be accepted.
そして、前ストツパー兼補強体１７に取付ける
左右側支持ブラケツト１４，１４は、長さの異な
る前後上側斜辺において、長さの短い斜辺が前部
に位置するようにし、また、後ストツパー兼補強
体１７′に取付ける左右側支持ブラケツト１４，
１４は、上記とは反対に長さの短い斜辺が後部に
位置するようにして、最前後部に位置する各下部
転動輪１２，１２と、各ストツパー部１７−２，
１７′−２との間の非干渉空間Ｓ，Ｓが可及的に
大きくなるように構成している。 The left and right support brackets 14, 14 attached to the front stopper/reinforcing body 17 are arranged such that the short oblique side is located at the front of the front and rear upper oblique sides having different lengths, and the rear stopper/reinforcing body 17 is Left and right side support brackets 14 to be attached to '
14, each of the lower rolling wheels 12, 12 located at the front and rear, and each stopper portion 17-2, with the short oblique side located at the rear, contrary to the above.
17'-2 is constructed so that the non-interference space S, S between the two is as large as possible.
従つて、凹凸の激しい路面上を走行する際に
は、最前後部に位置する各下部転動輪１２，１２
が頻繁に上下動するものであるが、前後ストツパ
ー部１７−２，１７′−２との非干渉空間Ｓが大
きいことより、各転動輪１２，１２が各ストツパ
ー部１７−２，１７′−２に干渉することが少な
く、また、干渉時にも１７′−２により確実に受
止められて、走行が円滑に行われるものであり、
しかも、同ストツパー部１７−２，１７′−２を
有する前後ストツパー兼補強体１７，１７′は、
走行フレーム８の補強をも兼用していることよ
り、同フレーム８の強度がアツプするものであ
る。 Therefore, when driving on a highly uneven road surface, each of the lower rolling wheels 12, 12 located at the front and rear ends
The wheels frequently move up and down, but since the non-interference space S with the front and rear stopper parts 17-2, 17'-2 is large, each rolling wheel 12, 12 moves up and down each stopper part 17-2, 17'-2. 2, and even in the event of interference, it is reliably caught by 17'-2, allowing smooth running.
Moreover, the front and rear stopper/reinforcement bodies 17, 17' having the same stopper parts 17-2, 17'-2,
Since it also serves as reinforcement for the traveling frame 8, the strength of the frame 8 is increased.
第１図は、本考案による下部転動輪ストツパー
構造を示す側面図、第２図は、同要部の拡大斜視
図、第３図は、同要部の断面図、第４図は、同要
部を有する動力運搬車の側面図。
Ａ……動力運搬車、１４……左右側支持ブラケ
ツト、１７，１７′……前後ストツパー兼補強体。
Fig. 1 is a side view showing the lower rolling wheel stopper structure according to the present invention, Fig. 2 is an enlarged perspective view of the main part, Fig. 3 is a sectional view of the main part, and Fig. 4 is the main part. FIG. A... Power transport vehicle, 14... Left and right side support brackets, 17, 17'... Front and rear stoppers/reinforcing bodies.
Claims (1)
輪９と遊動輪１０とを連結支持している走行フレ
ーム８の前後部に、各々前後ストツパー兼補強体
１７，１７′を嵌装し、各補強体１７，１７′には
各々支持ブラケツト１４を介して下部転動輪１２
を多数上下揺動自在に連結支持させ、しかも、同
補強体１７，１７′の下側端で、駆動輪近接側、
乃至遊動輪近接側に、各々最前後端部に位置する
下部転動輪受止め用の前後ストツパー部１７−
２，１７′−２を設けると共に、各ストツパー部
１７−２，１７′−２を、下部転動輪１２の周面
形状に相対すべく凹状弯曲面に形成して、各スト
ツパー部１７−２，１７′−２の下端面により上
動変位する上記転動輪１２を嵌合状態にて受止め
るように構成してなる動力運搬車の下部転動輪ス
トツパー構造。 In the crawler-type running section 1, front and rear stoppers and reinforcing bodies 17 and 17' are respectively fitted to the front and rear parts of the running frame 8, which connects and supports the driving wheel 9 and the idler wheel 10 at the front and rear ends. A lower rolling wheel 12 is connected to the bodies 17, 17' through a support bracket 14, respectively.
A large number of the reinforcing bodies 17, 17' are connected and supported so as to be able to freely swing up and down, and at the lower end of the reinforcing bodies 17, 17', the side near the drive wheel,
Front and rear stopper portions 17- for receiving lower rolling wheels located at the front and rearmost ends, respectively, on the side near the idler wheel.
2, 17'-2 are provided, and each stopper part 17-2, 17'-2 is formed into a concave curved surface to face the peripheral surface shape of the lower rolling wheel 12, so that each stopper part 17-2, A lower rolling wheel stopper structure for a power transport vehicle configured to receive the rolling wheel 12 which is displaced upwardly in a fitted state by the lower end surface of 17'-2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985109903U JPH0412874Y2 (en) | 1985-07-17 | 1985-07-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985109903U JPH0412874Y2 (en) | 1985-07-17 | 1985-07-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6216572U JPS6216572U (en) | 1987-01-31 |
| JPH0412874Y2 true JPH0412874Y2 (en) | 1992-03-26 |
Family
ID=30988435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985109903U Expired JPH0412874Y2 (en) | 1985-07-17 | 1985-07-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0412874Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2604690Y2 (en) * | 1992-04-02 | 2000-05-22 | 三菱農機株式会社 | Roller support structure in crawler running section |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS528178U (en) * | 1975-07-07 | 1977-01-20 |
-
1985
- 1985-07-17 JP JP1985109903U patent/JPH0412874Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS528178U (en) * | 1975-07-07 | 1977-01-20 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6216572U (en) | 1987-01-31 |
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