JPH0228150Y2 - - Google Patents
Info
- Publication number
- JPH0228150Y2 JPH0228150Y2 JP1986156738U JP15673886U JPH0228150Y2 JP H0228150 Y2 JPH0228150 Y2 JP H0228150Y2 JP 1986156738 U JP1986156738 U JP 1986156738U JP 15673886 U JP15673886 U JP 15673886U JP H0228150 Y2 JPH0228150 Y2 JP H0228150Y2
- Authority
- JP
- Japan
- Prior art keywords
- hub
- wheel hub
- starting wheel
- sprocket
- bolt
- 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
- 239000002184 metal Substances 0.000 claims description 17
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 229910001234 light alloy Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Gears, Cams (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案は装軌車両例えば装甲車両の起動輪に関
するものである。[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a starting wheel for a tracked vehicle, such as an armored vehicle.
（従来の技術）
従来の装甲車両の起動輪を第５，６，７図によ
り説明すると、Ｓが装軌車両、ａが起動輪ハブ、
ｂがスプロケツト、ｃが履帯、ｄが転輪、ｅが誘
導輪、ｆがナツト、ｇがハブボルトで、同ハブボ
ルトｇ及び同ナツトｆによりスフロケツトｂが起
動輪ハブａに取付けられている。またｈがドライ
ブシヤフト、ｙが車体、ｉが同車体ｙ側のケーシ
ング、ｊが上記ドライブシヤフトｈを同ケーシン
グｉに回転可能に支持する軸受、ｋがハブナツ
ト、ｌが同ハブナツトｋとで起動輪ハブａをドラ
イブシヤフトｈに固定するハブボルト、ｍがテー
パスリーブで、起動輪ハブａと転輪ｄと誘導輪ｃ
との間に懸装した履帯ｃが起動輪ハブａのスプロ
ケツトｂにより駆動されるようになつている。(Prior Art) The starting wheels of conventional armored vehicles are explained with reference to Figs. 5, 6, and 7. S is a tracked vehicle, a is a starting wheel hub,
b is a sprocket, c is a track, d is a rolling wheel, e is a guide wheel, f is a nut, and g is a hub bolt, and the sprocket b is attached to the starting wheel hub a by the same hub bolt g and the same nut f. In addition, h is a drive shaft, y is a vehicle body, i is a casing on the Y side of the vehicle body, j is a bearing that rotatably supports the drive shaft h on the casing i, k is a hub nut, and l is a starting wheel with the same hub nut k. Hub bolt that fixes hub a to drive shaft h, m is a tapered sleeve, starting wheel hub a, rolling wheel d, and guide wheel c
A crawler track c suspended between the two wheels is driven by a sprocket b of the starting wheel hub a.
次に装甲車両の起動輪の他の従来例を第８，９
図により説明すると、c′が履帯、ｏが起動輪ハ
ブ、ｐがスプロケツト、ｎがゴム製サブホイー
ル、ｓが同ゴム制サブホイールｎの裏面に焼付き
固定した鍔付裏金、ｑがハブナツト、ｒが同ハブ
ナツトｑとでスプロケツトｐと鍔付裏金ｓとを起
動輪ハブｏに固定するハブボルトで、履帯c′が起
動輪ハブｏのスプロケツトｐにより駆動されるよ
うになつていいる。 Next, other conventional examples of starting wheels for armored vehicles are shown in Nos. 8 and 9.
To explain with a diagram, c' is the crawler track, o is the starting wheel hub, p is the sprocket, n is the rubber subwheel, s is the flanged back metal sewn and fixed to the back of the rubber subwheel n, q is the hub nut, r is a hub bolt that fixes a sprocket p and a flanged back metal s to the starting wheel hub o with the same hub nut q, and the crawler track c' is driven by the sprocket p of the starting wheel hub o.
（考案が解決しようとする問題点）
前記第５，６，７図に示す従来の装甲車両の起
動輪では、起動輪ハブａのスプロケツトｂに第６
図に示す履帯張力Fsにより2Fscos θ／２の合力
が働く。また同スプロケツトｂには、この合力の
外に本来の履帯駆動力Ftが働くが、同起動輪ハブ
ａには、上記合力2Fscos θ／２を支持する部材
がなくて、噛み合い音や振動が発生する上に、ス
プロケツトｂが早期に摩耗する。(Problems to be Solved by the Invention) In the conventional armored vehicle starting wheels shown in FIGS.
A resultant force of 2Fscos θ/2 acts due to the crawler tension F s shown in the figure. In addition to this resultant force, the original crawler driving force Ft acts on the sprocket b, but the starting wheel hub a has no member to support the resultant force 2Fscos θ/2, which causes meshing noise and vibration. In addition to this, sprocket b wears out prematurely.
この点、第８，９図に示す従来の装甲車両の起
動輪では、ゴム製サブホイールｎが上記合力
2Fscos θ／２を支持するので（第９図参照）、
スプロケツトｐの摩耗防止及び騒音低減に有効で
あるが、ゴム製サブホイールｎに焼付き固定した
鍔付裏金ｓをスプロケツトｐと起動輪ハブｏとの
間にサンドイツチ状に挟持、固定しているので、
履帯駆動力Ftによりゴム製サブホイールｎが回
転し、起動輪ハブｏと鍔付裏金ｓとの嵌合面に土
砂が侵入し、この部分が損傷して、長期間の間に
ゴム製サブホイールｎがガタつくようになる。そ
のため、ゴム製サブホイールｎ及び鍔付裏金ｓの
交換が必要になるが、上記のようにゴム製サブホ
イールｎに焼付き固定した鍔付裏金ｓをスプロケ
ツトｐと起動輪ハブｏとの間にサンドイツチ状に
挟持、固定しているので、履帯c′及びスプロケツ
トｐを取り外さないと、ゴム製サブホイールｎ及
び鍔付裏金ｓの交換を行えないという問題があつ
た。 In this respect, in the starting wheels of conventional armored vehicles shown in Figures 8 and 9, the rubber subwheel n is
Since it supports 2Fscos θ/2 (see Figure 9),
This is effective in preventing wear of the sprocket p and reducing noise, since the flanged backing metal s, which is seize-fixed to the rubber subwheel n, is sandwiched and fixed in a sandwich-like manner between the sprocket p and the starting wheel hub o. ,
The rubber subwheel n rotates due to the crawler drive force Ft, and dirt enters the fitting surface between the starting wheel hub o and the flanged back metal s, damaging this part and causing the rubber subwheel to become damaged over a long period of time. n becomes shaky. Therefore, it is necessary to replace the rubber subwheel n and the flange back metal s, but as described above, the flange back metal s sewn and fixed to the rubber subwheel n is placed between the sprocket p and the starting wheel hub o. Since they are clamped and fixed in a sandwich-like manner, there was a problem in that the rubber subwheel n and the flanged back metal s could not be replaced unless the crawler track c' and sprocket p were removed.
（問題点を解決するための手段）
本考案は前記の問題点に対処するもので、複数
個の凹部を起動輪ハブの外周面円周方向に間隔を
おいて設け、ボルト孔を有するスプロケツト取付
部を同起動輪ハブの外周端縁に上記各凹部に対向
して設け、同各凹部及び同各ボルト孔からスプロ
ケツトのボルト孔に挿入したハブボルトの外端部
にハブナツトを螺合して、同スプロケツトを同起
動輪ハブに取付け、上記起動輪ハブの外周面を覆
うゴム製サブホイールを円周方向に複数個に分割
して、それぞれの裏面に板状裏金を焼付け固定
し、ボルトを同各ゴム製サブホイールの一部に設
けた切欠部及び同裏金に設けたボルト孔から上記
起動輪ハブのボルト孔にねじ込んで、同各ゴム製
サブホイールを同起動輪ハブに着脱自在に取付け
たことを特徴とする装軌車両の起動輪に係わり、
その目的とする処は、スプロケツトに働く合力を
支持できて、摩耗防止及び騒音低減を達成でき
る。また履帯やスプロケツトを取り外さなくて
も、ゴム製サブホイールを交換できる改良された
装軌車両の起動輪を供する点にある。(Means for Solving the Problems) The present invention addresses the above-mentioned problems by providing a plurality of recesses at intervals in the circumferential direction on the outer circumferential surface of the starting wheel hub, and mounting a sprocket with bolt holes. A part is provided on the outer peripheral edge of the starting wheel hub facing each of the recesses, and a hub nut is screwed onto the outer end of a hub bolt inserted into the bolt hole of the sprocket through each of the recesses and each bolt hole. Attach the sprocket to the starting wheel hub, divide the rubber sub-wheel that covers the outer circumferential surface of the starting wheel hub into multiple parts in the circumferential direction, fix a plate-shaped metal backing to the back of each part, and attach the same bolt to each part. Each of the rubber subwheels is removably attached to the starting wheel hub by screwing into the bolt hole of the starting wheel hub through a notch provided in a part of the rubber subwheel and a bolt hole provided in the back metal. Concerning the starting wheel of a tracked vehicle characterized by
Its purpose is to support the resultant force acting on the sprocket, thereby preventing wear and reducing noise. Another object of the present invention is to provide an improved starting wheel for a tracked vehicle that allows the rubber subwheel to be replaced without removing the track or sprocket.
（作用）
本考案の装軌車両の起動輪は前記のようにボル
トを各ゴム製サブホイールの一部に設けた切欠部
及び裏金に設けたボルト孔から起動輪ハブのボル
ト孔にねじ込んで、各ゴム製サブホイールを起動
輪ハブに着脱自在に取付けているので、スプロケ
ツトに働く合力をゴム製サブホイールにより支持
できて、摩耗防止及び騒音低減を達成できる。ま
た各ゴム製サブホイールを上記のように取付ける
一方、複数個の凹部を起動輪ハブの外周面円周方
向に間隔をおいて設け、ボルト孔を有するスプロ
ケツト取付部を起動輪ハブの外周端縁に上記各凹
部に対向して設け、同各凹部及び同各ボルト孔か
らスプロケツトのボルト孔に挿入したハブボルト
の外端部にハブナツトを螺合して、スプロケツト
を同起動輪ハブに取付けているので、履帯やスプ
ロケツトを取り外さなくても、ゴム製サブホイー
ルを交換できる。(Function) As mentioned above, the starting wheel of the tracked vehicle of the present invention is made by screwing a bolt into the bolt hole of the starting wheel hub through a notch provided in a part of each rubber subwheel and a bolt hole provided in the back metal. Since each rubber subwheel is detachably attached to the starting wheel hub, the rubber subwheel can support the resultant force acting on the sprocket, thereby achieving wear prevention and noise reduction. In addition, while each rubber sub-wheel is installed as described above, a plurality of recesses are provided at intervals in the circumferential direction of the outer circumferential surface of the starting wheel hub, and the sprocket mounting portion with bolt holes is attached to the outer circumferential edge of the starting wheel hub. The sprocket is attached to the driving wheel hub by screwing the hub nut onto the outer end of the hub bolt, which is provided opposite each of the above recesses and inserted into the bolt hole of the sprocket through the recess and each bolt hole. , rubber subwheels can be replaced without removing tracks or sprockets.
（実施例）
次に本考案の装起車両の起動輪を第１図乃至第
４図に示す一実施例により説明すると、１が起動
輪で、同起動輪１の外周面には、複数個の凹部１
ａが円周方向に間隔をおいて設けられており、同
起動輪１の外周面が歯車状になつている。また１
ｂが同起動輪１の外周端縁に設けた複数個のスプ
ロケツト取付部で、同各スプロケツト取付部１ｂ
が上記各凹部１ａに対向している。また２がスプ
ロケツト、３がハブボルト、３ａが同ハブボルト
３の頭部に設けた切欠部（凹部１ａ底面に接触す
る切欠部）、４がハブナツト、５ａが円周方向に
複数個に分割したゴム製サブホイール、５ｂが同
各ゴム製サブホイール５ａの裏面に焼付き固定し
た板状裏金、６がボルト、７が履帯、７ａが同履
帯７のリンクボデイ、７ｂが同履帯７のエンドコ
ネクタで、ハブボルト３が起動輪ハブ１の外周面
に設けた各凹部１ａ及び各スプロケツト取付部１
ｂに設けたボルト孔からスプロケツト２のボルト
孔に挿入し、ハブナツト４を同ハブボルト３の外
端部に螺合して、スプロケツト２を起動輪ハブ１
に着脱自在に固定する。また各ゴム製サブホイー
ル５ａの裏金５ｂを起動輪ハブ１の外周面に当て
がつて、起動輪ハブ１の外周面を各ゴム製サブホ
イール５ａにより被覆し、ボルト６を同各ゴム製
サブホイール５ａの一部に設けた切欠部及び各裏
金５ｂに設けたボルト孔から起動輪ハブ１のボル
ト孔にねじ込んで、同各ゴム製サブホイール５ａ
を起動輪ハブ１の外周面に着脱自在に固定する。
なお起動輪ハブ１には、肉抜きの鋳造品を使用
し、板状裏金５ｂに、軽合金製のものを使用し
て、軽量化する。また起動輪ハブ１の外周面に設
けた凹部１ａの数（ハブボルト３の数）をスプロ
ケツト２の歯数と同じにして、スプロケツト２を
起動輪ハブ１に強固に取付ける。(Example) Next, the starting wheel of the powered vehicle of the present invention will be described with reference to an example shown in FIGS. recess 1
a are provided at intervals in the circumferential direction, and the outer peripheral surface of the driving wheel 1 is gear-shaped. Also 1
b denotes a plurality of sprocket mounting portions provided on the outer peripheral edge of the driving wheel 1, each sprocket mounting portion 1b
are opposed to each of the recesses 1a. In addition, 2 is a sprocket, 3 is a hub bolt, 3a is a notch provided in the head of the hub bolt 3 (the notch that contacts the bottom surface of the recess 1a), 4 is a hub nut, and 5a is made of rubber divided into multiple pieces in the circumferential direction. A subwheel, 5b is a plate-shaped backing metal baked and fixed to the back side of each rubber subwheel 5a, 6 is a bolt, 7 is a crawler track, 7a is a link body of the same crawler track 7, 7b is an end connector of the same crawler track 7, Each recess 1a provided by the hub bolt 3 on the outer peripheral surface of the starting wheel hub 1 and each sprocket mounting portion 1
Insert the sprocket 2 into the bolt hole of the sprocket 2 through the bolt hole provided at b, screw the hub nut 4 onto the outer end of the hub bolt 3, and attach the sprocket 2 to the starting wheel hub 1.
It is removably fixed to the In addition, the back metal 5b of each rubber subwheel 5a is applied to the outer peripheral surface of the starting wheel hub 1, the outer peripheral surface of the starting wheel hub 1 is covered with each rubber subwheel 5a, and the bolt 6 is attached to each rubber subwheel. Each rubber sub-wheel 5a is screwed into the bolt hole of the starting wheel hub 1 through a notch provided in a part of 5a and a bolt hole provided in each back metal 5b.
is removably fixed to the outer peripheral surface of the starting wheel hub 1.
It should be noted that the starting wheel hub 1 is made of a hollow cast product, and the plate-shaped back metal 5b is made of a light alloy to reduce weight. Further, the number of recesses 1a (the number of hub bolts 3) provided on the outer peripheral surface of the starting wheel hub 1 is set to be the same as the number of teeth of the sprocket 2, and the sprocket 2 is firmly attached to the starting wheel hub 1.
（考案の効果）
本考案の装軌車両の起動輪は前記のようにボル
トを各ゴム製サブホイールの一部に設けた切欠部
及び裏金に設けたボルト孔から起動輪ハブのボル
ト孔にねじ込んで、各ゴム製サブホイールを起動
輪ハブに着脱自在に取付けているので、スプロケ
ツトに働く合力をゴム製サブホイールにより支持
できて、摩耗防止及び騒音低減を達成できる。ま
た各ゴム製サブホイールを上記のように取付ける
一方、複数個の凹部を起動輪ハブの外周面円周方
向に間隔をおいて設け、ボルト孔を有するスプロ
ケツト取付部を起動輪ハブの外周端縁に上記各凹
部に対向して設け、同各凹部及び同各ボルト孔か
らスプロケツトのボルト孔に挿入したハブボルト
の外端部にハブナツトを螺合して、スプロケツト
を同起動輪ハブに取付けているので、履帯やスプ
ロケツトを取り外さなくても、ゴム製サブホイー
ルを交換できる効果がある。(Effect of the invention) As mentioned above, the starting wheel of the tracked vehicle of this invention is screwed into the bolt hole of the starting wheel hub through the notch provided in a part of each rubber subwheel and the bolt hole provided in the back metal. Since each rubber subwheel is removably attached to the starting wheel hub, the rubber subwheel can support the resultant force acting on the sprocket, thereby preventing wear and reducing noise. In addition, while each rubber sub-wheel is installed as described above, a plurality of recesses are provided at intervals in the circumferential direction of the outer circumferential surface of the starting wheel hub, and the sprocket mounting portion with bolt holes is attached to the outer circumferential edge of the starting wheel hub. The sprocket is attached to the driving wheel hub by screwing the hub nut onto the outer end of the hub bolt, which is provided opposite each of the recesses and inserted into the bolt hole of the sprocket through the recess and the bolt hole. , the rubber subwheel can be replaced without removing the track or sprocket.
第１図は本考案に係わる装軌車両の起動輪の一
実施例を示す側面図、第２図はその縦断正面図、
第３図は起動輪ハブ及びゴム製サブホイール部
分の縦断側面図、第３図はゴム製サブホイール
の平面図、第４図はスプロケツト取付部の斜視
図、第５図は従来の装軌車両を示す側面図、第６
図は起動輪ハブに働く合力を示す説明図、第７図
は第５図の矢視−線に沿う起動輪ハブの縦断
正面図、第８図は起動輪ハブの他の従来例を示す
縦断正面図、第９図は同起動輪ハブの作用説明図
である。
１……起動輪ハブ、１ａ……凹部、１ｂ……ボ
ルト孔を有するスプロケツト取付部、２……スプ
ロケツト、３……ハブボルト、４……ハブナツ
ト、５ａ……ゴム製サブホイール、５ｂ……板状
裏金、６……ボルト、７……履帯。
FIG. 1 is a side view showing an embodiment of the starting wheel of a tracked vehicle according to the present invention, FIG. 2 is a longitudinal sectional front view thereof,
Figure 3 is a vertical cross-sectional side view of the starting wheel hub and rubber subwheel, Figure 3 is a plan view of the rubber subwheel, Figure 4 is a perspective view of the sprocket attachment part, and Figure 5 is a conventional tracked vehicle. 6th side view showing
The figure is an explanatory diagram showing the resultant force acting on the starting wheel hub, FIG. 7 is a longitudinal cross-sectional front view of the starting wheel hub along the arrow line in FIG. 5, and FIG. 8 is a longitudinal cross-sectional view showing another conventional example of the starting wheel hub. The front view and FIG. 9 are explanatory views of the operation of the driving wheel hub. DESCRIPTION OF SYMBOLS 1... Starting wheel hub, 1a... Recessed part, 1b... Sprocket mounting part with bolt hole, 2... Sprocket, 3... Hub bolt, 4... Hub nut, 5a... Rubber subwheel, 5b... Plate 6...Bolts, 7...Crawler tracks.
Claims (1)
け、さらに複数個の凹部を起動輪ハブの外周面円
周方向に間隔をおいて設け、ボルト孔を有するス
プロケツト取付部を同起動輪ハブの外周端縁に上
記各凹部に対向して設け、同各凹部及び同各ボル
ト孔からスプロケツトのボルト孔に挿入したハブ
ボルトの外端部にハブナツトを螺合して、同スプ
ロケツトを同起動輪ハブに取付け、上記起動輪ハ
ブの外周面を覆う履帯と面接合をなす多角形状の
ゴム製サブホイールを円周方向に複数個に分割し
て、それぞれの裏面に板状裏金を焼付け固定し、
ボルトを同各ゴム製サブホイールの一部に設けた
切欠部及び同裏金に設けたボルト孔から上記起動
輪ハブのボルト孔にねじ込んで、同各ゴム製サブ
ホイールを同起動輪ハブに着脱自在に取付けたこ
とを特徴とする装軌車両の起動輪。 A plurality of holes for discharging dirt are provided in the center of the starting wheel hub, and a plurality of recesses are provided at intervals in the circumferential direction on the outer circumferential surface of the starting wheel hub, and a sprocket mounting portion with bolt holes is attached to the starting wheel hub. A hub bolt is provided on the outer circumferential edge of the sprocket to face each of the recesses, and a hub nut is screwed onto the outer end of a hub bolt that is inserted into the bolt hole of the sprocket through the recess and each bolt hole. The polygonal rubber sub-wheel which makes surface contact with the crawler track covering the outer peripheral surface of the above-mentioned starting wheel hub is divided into a plurality of parts in the circumferential direction, and a plate-shaped backing metal is baked and fixed on the back surface of each part.
Each rubber subwheel can be freely attached to and removed from the starting wheel hub by screwing a bolt into the bolt hole of the starting wheel hub through a notch provided in a part of each rubber subwheel and a bolt hole provided in the back metal. A starting wheel for a tracked vehicle characterized by being attached to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986156738U JPH0228150Y2 (en) | 1986-10-15 | 1986-10-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986156738U JPH0228150Y2 (en) | 1986-10-15 | 1986-10-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6363279U JPS6363279U (en) | 1988-04-26 |
| JPH0228150Y2 true JPH0228150Y2 (en) | 1990-07-27 |
Family
ID=31078641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986156738U Expired JPH0228150Y2 (en) | 1986-10-15 | 1986-10-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0228150Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7394698B2 (en) * | 2020-04-30 | 2023-12-08 | 三菱重工業株式会社 | Rubber crawler starting wheel, drive mechanism, and vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4831722U (en) * | 1971-08-19 | 1973-04-17 |
-
1986
- 1986-10-15 JP JP1986156738U patent/JPH0228150Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6363279U (en) | 1988-04-26 |
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