JPH0268273A - Carrier roller of caterpillar vehicle - Google Patents
Carrier roller of caterpillar vehicleInfo
- Publication number
- JPH0268273A JPH0268273A JP21952188A JP21952188A JPH0268273A JP H0268273 A JPH0268273 A JP H0268273A JP 21952188 A JP21952188 A JP 21952188A JP 21952188 A JP21952188 A JP 21952188A JP H0268273 A JPH0268273 A JP H0268273A
- Authority
- JP
- Japan
- Prior art keywords
- roller
- shaft
- carrier roller
- bearing
- high density
- 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.)
- Pending
Links
- 239000002184 metal Substances 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 229920003023 plastic Polymers 0.000 claims abstract description 8
- 239000004033 plastic Substances 0.000 claims abstract description 8
- 229920000642 polymer Polymers 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- 125000003118 aryl group Chemical group 0.000 abstract description 4
- 229920000728 polyester Polymers 0.000 abstract description 4
- 241001131688 Coracias garrulus Species 0.000 abstract 7
- 150000002739 metals Chemical class 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 9
- 239000000314 lubricant Substances 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000012050 conventional carrier Substances 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は建設機械等の装軌車両の腹帯上側を支持する回
転円筒形キャリアローラの構造に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to the structure of a rotating cylindrical carrier roller that supports the upper side of a belly belt of a tracked vehicle such as a construction machine.
（従来の技術）
従来のキャリアローラは、第３図に示すように、サポー
ト２に軸支した鋼製のシャフト３に、ブツシュ４を止着
した耐摩耗鋼製のローラ５を、適度のすきまをもって嵌
通した構造となっている。(Prior art) As shown in Fig. 3, a conventional carrier roller has a wear-resistant steel roller 5 with a bushing 4 fixedly attached to a steel shaft 3 which is pivotally supported on a support 2. It has a structure in which it is fitted with.
ローラのサポート側の端部には、ダストシール８とブラ
ケット９を、また、他端にはスラスト受はプレート６と
カバー７を装着して、外部からのごみの進入と、ローラ
内部に充填した潤滑剤の流出を防止している。A dust seal 8 and a bracket 9 are attached to the support side end of the roller, and a thrust receiver plate 6 and cover 7 are attached to the other end to prevent dust from entering from the outside and lubrication filled inside the roller. This prevents the agent from flowing out.
（発明が解決しようとする課Ｈ）
かかる様式では、ローラとシャフトの鉄鋼同士の接触に
よるかじりを防ぐために、非鉄金属や合成樹脂系のブツ
シュの装着を必要とし、また、内部に潤滑剤を充填する
必要もあるため、構造が複雑となる。なお、ローラと履
板リンクは金属同士の当接となるため、走行中の騒音が
高いという欠点もある。(Problem H to be solved by the invention) In this style, in order to prevent galling due to contact between the steel of the roller and the shaft, it is necessary to install a bushing made of non-ferrous metal or synthetic resin, and it is also necessary to fill the inside with a lubricant. This makes the structure complicated. In addition, since the rollers and the track links are in contact with metal, there is also the drawback that the noise during running is high.
本発明は、かかる課題を解決することを目的としている
。The present invention aims to solve this problem.
（課題を解決するための手段）
上記目的を達成するため、本発明は、キャリアローラの
主要構成品であるローラを、超高密度分子プラスチック
によって形成している。(Means for Solving the Problems) In order to achieve the above object, in the present invention, a roller, which is a main component of the carrier roller, is made of ultra-high density molecular plastic.
（作 用）
上記構造によれば、かじりの原因となるローラとシャフ
トにおける金属同士の接触が避けられるため、ローラ内
面の軸受が不要となり、また、ローラ外周と履板リンク
との金属間の当接も避けることができる。(Function) According to the above structure, metal-to-metal contact between the roller and shaft, which causes galling, can be avoided, so bearings on the inner surface of the roller are not required, and metal-to-metal contact between the roller outer periphery and the track link is avoided. contact can also be avoided.
（実施例） 以下に、本発明を図に示す実施例について説明する。(Example) DESCRIPTION OF THE PREFERRED EMBODIMENTS Below, embodiments of the present invention shown in the drawings will be described.
第１図は、第一実施例に係るもので、装軌車両のトラン
クフレーム１の上面に付設されたサポート２に、鋼製の
シャフト３を軸止し、このシャフトに芳香族ポリエステ
ル系などの超高密度分子プラスチックで形成した円筒状
ローラ５ａを適度のすきまをもって嵌通している。ロー
ラ５ａのサポート側端部には、ダストシール８とブラケ
ット９を、また、他端にはスラスト受はプレート６とカ
バー７を装着して、外部からのごみの進入と、着脱式の
プラグ１０を通じてローラ内部に充填した潤滑剤の流出
を防止している。FIG. 1 shows the first embodiment, in which a steel shaft 3 is fixed to a support 2 attached to the upper surface of a trunk frame 1 of a tracked vehicle, and this shaft is made of aromatic polyester or the like. A cylindrical roller 5a made of ultra-high-density molecular plastic is fitted with an appropriate clearance. A dust seal 8 and a bracket 9 are attached to the support side end of the roller 5a, and a thrust receiver plate 6 and cover 7 are attached to the other end to prevent dust from entering from the outside and to prevent dust from entering through the removable plug 10. This prevents the lubricant filled inside the roller from leaking out.
次に第２図によって、第二実施例を説明する。Next, a second embodiment will be explained with reference to FIG.
第２図で、芳香族ポリエステル系などの超高密度分子プ
ラスチックで形成した円筒状ローラ５ｂを、シャフト３
ｂに焼付けまたは接着によって固着し、スラスト受けを
兼ねるカラー１３をシャフト３ｂに通し、さらにサポー
ト２ｂに固着したブツシュ１４の穴に適度のすきまをも
って嵌通し、端部にスラスト受はプレート６をボルト１
５で取り付けた構造としている。このとき、軸方向にも
すきまを設けであるので、ローラ５ｂを固着したシャー
フト３ｂは、ブツシュ１４の嵌通部で回転が可能である
。また、ブツシュ１４の両端部にはダストシール１６を
嵌装し、さらにニップル１７を通じて潤滑剤を充填し、
シャフト３ｂとブツシュ１４の間の摩擦力を減する構造
となっている。In FIG. 2, a cylindrical roller 5b made of ultra-high density molecular plastic such as aromatic polyester is connected to the shaft 3.
The collar 13, which is fixed to the shaft 3b by baking or adhesive, and also serves as a thrust receiver, is passed through the shaft 3b, and then fitted into the hole of the bushing 14 fixed to the support 2b with an appropriate clearance.
The structure is as follows. At this time, since a clearance is also provided in the axial direction, the shaft 3b to which the roller 5b is fixed can rotate at the fitting portion of the bushing 14. Further, dust seals 16 are fitted to both ends of the bushing 14, and lubricant is filled through nipples 17.
The structure is such that the frictional force between the shaft 3b and the bushing 14 is reduced.
（発明の効果）
以上説明したように、本発明によれば、ローラを芳香族
ポリエステル系などの超高密度分子プラスチックで形成
する事によって、所要の強度を保持しながら、シャフト
との鋼鉄同士の接触が避けられるため、第一実施例では
ローラ内側のブツシュが不要となり、構造が簡素化され
る。また、第二実施例では、ローラがシャフトに挿着さ
れているため、従来構造のようなローラとシャフトの接
触部に対する潤滑機構が不要となり、代りにサポートの
軸支部に設けるブツシュのダストシール及び潤滑剤の供
給機構も、この部分が直接泥の付着するＨ仮すンクとロ
ーラの当接部から離れているため、簡単な構造のもので
よい、しかも、第一第二実施例ともローラと履板リンク
との金属同士の接触が避けられるため、当接部から発生
する騒音も低下する。(Effects of the Invention) As explained above, according to the present invention, by forming the roller with ultra-high density molecular plastic such as aromatic polyester, the steel-to-steel bond with the shaft can be maintained while maintaining the required strength. Since contact is avoided, the first embodiment eliminates the need for a bushing inside the roller, simplifying the structure. In addition, in the second embodiment, since the roller is inserted into the shaft, there is no need for a lubrication mechanism for the contact portion between the roller and the shaft as in the conventional structure, and instead a dust seal and lubrication mechanism are provided in the bushing provided on the shaft support of the support. The agent supply mechanism also has a simple structure because this part is away from the contact area between the roller and the roller where mud directly adheres. Since metal-to-metal contact with the plate link is avoided, noise generated from the contact portion is also reduced.
第１図は、本発明の第一実施例に係るキャリアローラ及
び軸支部の断面図、第２図は第二実施例の同じく断面図
、また第３図は従来のキャリアローラ及び軸支部の断面
図である。
・トラックフレーム
・サポート
・シャフト
・ブツシュ
５ｂ・・ローラ
・スラスト受はプレート
・ カ ノイ −
・ダストシール
・ブラケット
・プラグ
・履板リンク
・履板シュー
・カラー
・ブツシュ
・ボルト
・ダストシール
・ニップルFIG. 1 is a cross-sectional view of a carrier roller and a shaft support according to a first embodiment of the present invention, FIG. 2 is a cross-sectional view of the second embodiment, and FIG. 3 is a cross-section of a conventional carrier roller and a shaft support. It is a diagram.・Track frame・Support・Shaft・Button 5b・・Roller・Thrust receiver is a plate ・・Dust seal・Bracket・Plug・Cracket link・Cracket shoe・Color・Button・Bolt・Dust seal・Nipple
Claims (2)
したサポートに取付け、他側に金属製ローラを軸受けを
介して回動自在に軸支したキャリアローラにおいて、前
記ローラを超高密度分子プラスチックで形成すると共に
、このローラを前記シャフトに直接軸支したことを特徴
とする装軌車両のキャリアローラ。(1) In a carrier roller in which one side of the shaft is attached to a support attached to the top surface of the track frame, and a metal roller is rotatably supported on the other side via a bearing, the roller is made of ultra-high density molecular plastic. 1. A carrier roller for a tracked vehicle, characterized in that the roller is directly supported on the shaft.
たローラを挿着し、他側を前記サポートに軸受を介して
軸支したことを特徴とする請求項（１）記載の装軌車両
のキャリアローラ。(2) A tracked vehicle according to claim (1), characterized in that a roller made of ultra-high polymer plastic is inserted into one side of the shaft, and the other side is pivotally supported by the support via a bearing. carrier roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21952188A JPH0268273A (en) | 1988-08-31 | 1988-08-31 | Carrier roller of caterpillar vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21952188A JPH0268273A (en) | 1988-08-31 | 1988-08-31 | Carrier roller of caterpillar vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0268273A true JPH0268273A (en) | 1990-03-07 |
Family
ID=16736777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21952188A Pending JPH0268273A (en) | 1988-08-31 | 1988-08-31 | Carrier roller of caterpillar vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0268273A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6364438B1 (en) * | 2000-04-20 | 2002-04-02 | Caterpillar Inc. | Press fit roller assemblies of an undercarriage assembly of a work machine and method of making the same |
| US6422664B1 (en) * | 2000-04-20 | 2002-07-23 | Caterpillar Inc. | Carrier roller assembly of an undercarriage assembly of a work machine having a roller shaft with integrated thurst surfaces |
| US6457786B1 (en) * | 2000-04-20 | 2002-10-01 | Caterpillar Inc. | Roller assembly of an undercarriage assembly having an integrated retainer and thrust bushing and method for making the same |
-
1988
- 1988-08-31 JP JP21952188A patent/JPH0268273A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6364438B1 (en) * | 2000-04-20 | 2002-04-02 | Caterpillar Inc. | Press fit roller assemblies of an undercarriage assembly of a work machine and method of making the same |
| US6422664B1 (en) * | 2000-04-20 | 2002-07-23 | Caterpillar Inc. | Carrier roller assembly of an undercarriage assembly of a work machine having a roller shaft with integrated thurst surfaces |
| US6457786B1 (en) * | 2000-04-20 | 2002-10-01 | Caterpillar Inc. | Roller assembly of an undercarriage assembly having an integrated retainer and thrust bushing and method for making the same |
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