JPH0713673U - Wheel crawler traveling device idler - Google Patents
Wheel crawler traveling device idlerInfo
- Publication number
- JPH0713673U JPH0713673U JP4827593U JP4827593U JPH0713673U JP H0713673 U JPH0713673 U JP H0713673U JP 4827593 U JP4827593 U JP 4827593U JP 4827593 U JP4827593 U JP 4827593U JP H0713673 U JPH0713673 U JP H0713673U
- Authority
- JP
- Japan
- Prior art keywords
- guide
- crawler shoe
- idler
- outer periphery
- shoe
- 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
Landscapes
- Harvester Elements (AREA)
Abstract
(57)【要約】
【目的】 無端帯状のゴム製クローラシューを装着した
装軌車両の走行装置の緊張用アイドラを、走行中、クロ
ーラシューの脱輪を起こさない構造にする。
【構成】 緊張用アイドラ２の外周に、クローラシュー
１０に設けたガイド突起１３の頂部１５に当接する当接
面２０を設け、その外周に突出して、ガイド突起１３が
形成する案内面１６に係合する案内部２１を設ける。案
内部２１の外周に突出して、クローラシュー１０の長手
方向に所定の間隔で設けられた排土穴１７に遊挿する係
合歯２２を設け、この係合歯２２を１歯おきに排除す
る。これによりクローラシュー１０が片側を石等に乗り
上げ、傾斜した場合でも係合歯２２がガイド突起１３に
当接して脱輪を起こさない。また、アイドラ２の当接面
２０とガイド突起１３の頂部１５との間に堆積しようと
する泥土も、係合歯２２を排除したＤ部から排出し、脱
輪を防止する。
(57) [Summary] [Purpose] An idler for tensioning a traveling device of a tracked vehicle equipped with an endless belt-shaped rubber crawler shoe has a structure that does not cause the crawler shoe to derail during traveling. A contact surface 20 is provided on the outer periphery of the tensioning idler 2 for contacting the top portion 15 of a guide protrusion 13 provided on the crawler shoe 10. The contact surface 20 protrudes to the outer periphery and engages with a guide surface 16 formed by the guide protrusion 13. A matching guide portion 21 is provided. Engagement teeth 22 are provided which project to the outer periphery of the guide portion 21 and are loosely inserted into the earth removal holes 17 provided at predetermined intervals in the longitudinal direction of the crawler shoe 10, and the engagement teeth 22 are eliminated every other tooth. As a result, the crawler shoe 10 rides on a stone or the like on one side, and even if the crawler shoe 10 is inclined, the engaging teeth 22 abut on the guide protrusions 13 so that derailing does not occur. In addition, the mud that is about to accumulate between the contact surface 20 of the idler 2 and the top 15 of the guide protrusion 13 is also discharged from the portion D where the engaging teeth 22 have been removed, and wheel slippage is prevented.
Description
【０００１】[0001]
本考案は履帯式建設機械等の足回り装置において、ゴム製のクローラシューを 装着した場合のアイドラからのクローラシュー脱輪防止構造に関する。 The present invention relates to a structure for preventing wheel derailment from an idler when a rubber crawler shoe is attached to an underbody device of a crawler type construction machine or the like.
【０００２】[0002]
図１はゴム製クローラシューを装着した足回り装置の側面図であり、１はトラ ックフレーム、２は緊張用のアイドラ、３は駆動スプロケット、４は上転輪、５ は下転輪であり、無端帯状に一体成形されたゴム製のクローラシュー１０が卷装 されている。 Fig. 1 is a side view of an underbody device equipped with a rubber crawler shoe, 1 is a track frame, 2 is an idler for tensioning, 3 is a drive sprocket, 4 is an upper wheel, 5 is a lower wheel, A rubber crawler shoe 10, which is integrally molded in an endless belt shape, is mounted.
【０００３】 図２はクローラシュー１０の斜視図であり、図３は図２のＡ−Ａ断面図である 。無端帯状のゴムベルト１１には所定の間隔で芯金１２が埋設されている。芯金 １２のゴムベルト１１の内周側には左右一対のガイド突起１３が設けられ、ガイ ド突起１３の対向間隙には駆動スプロケット３に噛合する係止部１４が成形され ている。ガイド突起１３の頂部１５は係止部１４よりも突出して案内面１６を形 成している。隣接する係止部１４の間にはゴムベルト１１を貫通する排土穴１７ が設けられている。FIG. 2 is a perspective view of the crawler shoe 10, and FIG. 3 is a sectional view taken along line AA of FIG. The metal bars 12 are embedded in the endless belt-shaped rubber belt 11 at predetermined intervals. A pair of left and right guide projections 13 is provided on the inner peripheral side of the rubber belt 11 of the core metal 12, and a locking portion 14 that meshes with the drive sprocket 3 is formed in a facing gap between the guide projections 13. The top portion 15 of the guide protrusion 13 projects beyond the locking portion 14 to form a guide surface 16. An earth discharging hole 17 penetrating the rubber belt 11 is provided between the adjacent locking portions 14.
【０００４】 図７は従来のアイドラ２とクローラシュー１０の関係を示す断面図であり、ア イドラ２の外周にはクローラシュー１０のガイド突起１３の頂部１５に当接する 当接面２０を設け、当接面２０の外周から突出してクローラシュー１０に形成さ れた案内面１６に係合する案内部２１を設ける。案内部２１の当接面２０からの 突出量Ｌは、クローラシュー１０のガイド突起１３の頂部１５の係止部１４から の突出量Ｍよりも少なく設定されている。 アイドラ２の案内部２１はクローラシュー１０の案内面１６に係合し、図示し ない足回り装置のアイドラクッションの張力と合わせてクローラシュー１０のア イドラ２からの脱輪を防止している。FIG. 7 is a cross-sectional view showing the relationship between the conventional idler 2 and the crawler shoe 10. An outer peripheral surface of the idler 2 is provided with a contact surface 20 for contacting the top 15 of the guide protrusion 13 of the crawler shoe 10. A guide portion 21 is provided which projects from the outer periphery of the contact surface 20 and engages with the guide surface 16 formed on the crawler shoe 10. The amount of protrusion L of the guide portion 21 from the contact surface 20 is set to be smaller than the amount of protrusion M of the top portion 15 of the guide protrusion 13 of the crawler shoe 10 from the locking portion 14. The guide portion 21 of the idler 2 engages with the guide surface 16 of the crawler shoe 10 and, together with the tension of the idler cushion of a suspension device (not shown), prevents the crawler shoe 10 from slipping off the idler 2.
【０００５】[0005]
しかしながら、上記構成によれば、アイドラ２の案内部２１の突出量Ｌはクロ ーラシュー１０のガイド突起１３の頂部１５の係止部１４からの突出量Ｍより少 ないため、図８に示すようにクローラシュー１０が片側を石等に乗り上げた場合 、アイドラ２の案内部２１がクローラシュー１０のガイド突起１３に乗り上げて 脱輪する。あるいは、アイドラ２の当接面２０とクローラシュー１０のガイド突 起１３の頂部１５との間に泥土が付着したような場合、走行中に脱輪する場合が ある。 However, according to the above configuration, the protrusion amount L of the guide portion 21 of the idler 2 is smaller than the protrusion amount M of the top portion 15 of the guide protrusion 13 of the chloro shoe 10 from the locking portion 14, and therefore, as shown in FIG. When the crawler shoe 10 rides on a stone or the like on one side, the guide portion 21 of the idler 2 rides on the guide protrusion 13 of the crawler shoe 10 and derails. Alternatively, when mud adheres between the contact surface 20 of the idler 2 and the top portion 15 of the guide protrusion 13 of the crawler shoe 10, the wheel may derail during traveling.
【０００６】 本考案は上記の問題点に着目してなされたもので、走行中、脱輪の恐れのない ゴムクローラ走行装置の脱輪防止アイドラを提供することを目的としている。The present invention has been made in view of the above problems, and an object of the present invention is to provide a wheel removal preventing idler for a rubber crawler traveling device that does not cause wheel removal during traveling.
【０００７】[0007]
上記の目的達成のため、本考案に係るゴムクローラ走行装置の脱輪防止アイド ラにおいては、無端帯状のゴム製クローラシューの長手方向に所定間隔に芯金の 基部を埋設し、前記芯金に前記クローラシューの内周面から突出する左右一対の ガイド突起、および該左右一対のガイド突起の対向間隙に駆動スプロケットと噛 合する係止部をそれぞれ形成し、隣接する前記係止部の間にクローラシューを貫 通する排土穴を設けるとともに、前記ガイド突起の頂部を前記係止部よりもクロ ーラシューの内周方向に突出して案内面を形成し、駆動スプロケットと緊張用ア イドラとに卷装して成るゴムクローラ走行装置において、前記緊張用アイドラの 外周に前記ガイド突起の頂部に当接する当接面と、前記当接面から突出して前記 案内面に係合する案内部と、前記案内部の外周から突出して前記排土穴に遊挿す る係合歯とを設け、前記係合歯を所定の間隔で排除せることを特徴としている。 To achieve the above object, in a wheel slip prevention idler of a rubber crawler traveling device according to the present invention, a base of a metal core is embedded at a predetermined interval in the longitudinal direction of an endless belt-shaped rubber crawler shoe, and the metal core is attached to the metal core. A pair of left and right guide protrusions projecting from the inner peripheral surface of the crawler shoe, and a locking portion that meshes with a drive sprocket are formed in opposed gaps between the pair of left and right guide protrusions, respectively, and between the adjacent locking portions. An earth-draining hole is provided through the crawler shoe, and the top of the guide projection is projected more toward the inner circumference of the chlora shoe than the locking part to form a guide surface, which is mounted on the drive sprocket and the tension idler. In the rubber crawler traveling device configured as described above, an abutment surface that abuts the top of the guide protrusion on the outer periphery of the tension idler, and a protrusion surface that engages the guide surface The guide portion protrudes from the outer periphery of the guide portion is provided and a loosely inserted to Rukakarigoha the dumping hole, is characterized by causing eliminating the engagement tooth at a predetermined interval.
【０００８】[0008]
上記構成によれば、ゴムクローラ走行装置の緊張用アイドラの外周に、クロー ラシューに埋設された芯金に形成されたガイド突起の頂部に当接する当接面と、 当接面から突出し、芯金に形成された案内面に係合する案内部と、案内部の外周 にクローラシューの隣接する芯金の間に設けられた排土穴に遊挿する係合歯を設 け、係合歯を所定の間隔で排除したので、係合歯がクローラシューのガイド突起 に係合して脱輪を防止するとともに、係合歯を所定間隔で排除したため、当接面 等に付着した泥土等の排土性も向上する。 According to the above configuration, the contact surface that abuts on the top of the guide protrusion formed on the cored bar embedded in the claw shoe, and the cored bar that protrudes from the contacted surface on the outer periphery of the tensioning idler of the rubber crawler traveling device. The guide part that engages with the guide surface formed on the guide part and the engagement tooth that is loosely inserted into the earth discharging hole provided between the adjacent cores of the crawler shoes are provided on the outer periphery of the guide part, and the engagement tooth is predetermined. Since the engaging teeth engage with the guide protrusions of the crawler shoe to prevent derailment, the engaging teeth are removed at predetermined intervals, so that the dirt such as mud adhered to the contact surface is discharged. The property is also improved.
【０００９】[0009]
以下に本考案に係るゴムクローラ走行装置の脱輪防止アイドラの実施例につい て、図面を参照して説明する。なお、ゴムクローラシューの構成は図２および図 ３ですでに説明した通りである。 図４はアイドラの側面断面図であり、図５は図４のＢ−Ｂ断面図である。アイ ドラ２の外周にはクローラシュー１０のガイド突起１３の頂部１５に当接する当 接面２０が設けられ、当接面２０の外周にはクローラシュー１０の案内面１６に 係合する案内部２１が設けられている。案内面２１の外周にはクローラシュー１ ０に設けられた排土穴１７に遊挿する係合歯２２が設けられ、係合歯２２は１歯 おきに排除されている（図４のＣ部）、また排除は１歯おきと限るものではない 。 Embodiments of a wheel slip prevention idler of a rubber crawler traveling device according to the present invention will be described below with reference to the drawings. The structure of the rubber crawler shoe is as described above with reference to FIGS. 2 and 3. 4 is a side sectional view of the idler, and FIG. 5 is a sectional view taken along line BB of FIG. A contact surface 20 is provided on the outer periphery of the idler 2 for contacting the top 15 of the guide protrusion 13 of the crawler shoe 10, and a guide portion 21 for engaging the guide surface 16 of the crawler shoe 10 is provided on the outer periphery of the contact surface 20. Is provided. On the outer periphery of the guide surface 21, there are provided engaging teeth 22 that are loosely inserted into the soil discharge holes 17 provided in the crawler shoe 10, and the engaging teeth 22 are eliminated every other tooth (C in FIG. 4). , And exclusion is not limited to every other tooth.
【００１０】 したがって、図６に示すようにクローラシュー１０が片側を石等に乗り上げた 場合でも、アイドラ２の係合歯２２がクローラシュー１０のガイド突起１３に当 接して脱輪には至らない。また、アイドラ２の当接面２０とガイド突起１３の頂 部１５との間に堆積する泥土も、係合歯２２の無い図５のＤ部から排出され、排 土性も良好である。Therefore, as shown in FIG. 6, even when the crawler shoe 10 rides on a stone or the like on one side, the engaging teeth 22 of the idler 2 come into contact with the guide protrusions 13 of the crawler shoe 10 to prevent wheel removal. . Further, the mud accumulated between the contact surface 20 of the idler 2 and the top 15 of the guide protrusion 13 is also discharged from the portion D of FIG.
【００１１】[0011]
以上説明したごとく、本考案は、所定間隔に芯金を埋設した無端帯状のゴム製 クローラシューの芯金に、左右一対のガイド突起と、ガイド突起の間隙に駆動ス プロケットに噛合する係止部とを設け、隣接する係止部の間に排土穴を設けると ともに、ガイド突起の頂部を係止部より突出させて案内面を形成したゴムクロー ラを、駆動スプロケットと緊張用アイドラとに卷装したゴムクローラ走行装置の 、アイドラの外周にクローラシューのガイド突起の頂部に当接する当接面と、ク ローラシューの案内面に係合する案内部と、案内部の外周にクローラシューの排 土穴に係合する係合歯とを設け、所定間隔で係合歯を排除したため、クローラシ ューが片側を石等に乗り上げ、傾斜しても係合歯がガイド突起に係合して脱輪す ることはない。また、当接面とガイド突起の頂部との間に堆積した泥土も係合歯 の排除部から排出され、脱輪することのないゴムクローラ走行装置の脱輪防止ア イドラが得られる。 As described above, according to the present invention, a pair of left and right guide protrusions and a locking portion that engages with a drive sprocket in a gap between the guide protrusions are attached to a core metal of an endless belt-shaped rubber crawler shoe in which core metals are embedded at predetermined intervals. And a soil drainage hole between adjacent locking parts, and a rubber crawler with a guide surface formed by protruding the top of the guide projection from the locking part is mounted on the drive sprocket and the tension idler. In the rubber crawler traveling device, the contact surface that contacts the top of the guide protrusion of the crawler shoe on the outer periphery of the idler, the guide portion that engages with the guide surface of the crawler shoe, and the crawler shoe discharge hole on the outer periphery of the guide portion. Since the engaging teeth for engaging with the engaging teeth are provided and the engaging teeth are removed at a predetermined interval, the crawler shoe rides on one side on a stone, etc. There is no such thing. In addition, mud accumulated between the contact surface and the top of the guide projection is also discharged from the part where the engaging teeth are excluded, and a wheel removal prevention idler for the rubber crawler traveling device that does not wheel off can be obtained.
【図１】ゴムクローラを装着した足回り装置の側面図で
ある。FIG. 1 is a side view of an underbody device equipped with a rubber crawler.
【図２】ゴムクローラの斜視図である。FIG. 2 is a perspective view of a rubber crawler.
【図３】ゴムクローラの横断面図である。FIG. 3 is a cross-sectional view of a rubber crawler.
【図４】本考案の脱輪防止アイドラの側面断面図であ
る。FIG. 4 is a side sectional view of a wheel slip prevention idler of the present invention.
【図５】本考案の脱輪防止アイドラの正面断面図であ
る。FIG. 5 is a front sectional view of a wheel slip prevention idler according to the present invention.
【図６】本考案の脱輪防止アイドラの脱輪防止作用の説
明図である。FIG. 6 is an explanatory view of a wheel slip prevention effect of the wheel slip prevention idler of the present invention.
【図７】従来のアイドラの断面図である。FIG. 7 is a cross-sectional view of a conventional idler.
【図８】従来のアイドラの脱輪状況の説明図である。FIG. 8 is an explanatory diagram of a wheel removal state of a conventional idler.
２ アイドラ １０ クローラシュー １３ ガイド突起 １４ 係止部 １５ 頂部 １６ 案内面 １７ 排土穴 ２０ 当接面 ２１ 案内部 ２２ 係合歯 2 Idler 10 Crawler shoe 13 Guide protrusion 14 Locking part 15 Top part 16 Guide surface 17 Excavation hole 20 Contact surface 21 Guide part 22 Engaging tooth
Claims (1)
手方向に所定間隔に芯金の基部を埋設し、前記芯金に前
記クローラシューの内周面から突出する左右一対のガイ
ド突起、および該左右一対のガイド突起の対向間隙に駆
動スプロケットに噛合する係止部をそれぞれ形成し、隣
接する前記係止部の間にクローラシューを貫通する排土
穴を設けるとともに、前記ガイド突起の頂部を前記係止
部よりもクローラシューの内周方向に突出して案内面を
形成し、駆動スプロケットと緊張用アイドラとに卷装し
て成るゴムクローラ走行装置において、前記緊張用アン
ドラの外周に前記ガイド突起の頂部に当接する当接面
と、前記当接面から突出して前記案内面に係合する案内
部と、前記案内部の外周から突出して前記クローラシュ
ーの排土穴に遊挿する係合歯とを設け、前記係合歯を所
定の間隔で排除せることを特徴とするゴムクローラ走行
装置の脱輪防止アイドラ。1. A pair of left and right guide projections, in which a base of a cored bar is embedded at a predetermined interval in the longitudinal direction of an endless belt-shaped rubber crawler shoe, and the cored bar projects from an inner peripheral surface of the crawler shoe. Locking portions that mesh with the drive sprocket are formed in the facing gaps of the pair of left and right guide protrusions, and an earth discharging hole that penetrates the crawler shoe is provided between the adjacent locking portions. In a rubber crawler traveling device formed by forming a guide surface projecting inward of the crawler shoe from the stop portion and mounting the drive sprocket and a tensioning idler on the outer periphery of the tensioning andra, the top of the guide protrusion is provided. An abutment surface that abuts against the guide surface, a guide portion that protrudes from the abutment surface and engages with the guide surface, and a guide portion that protrudes from the outer periphery of the guide portion and is loosely inserted into the earth discharging hole of the crawler shoe. An idler prevention idler for a rubber crawler traveling device, characterized in that engaging teeth are provided and the engaging teeth can be removed at a predetermined interval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4827593U JPH0713673U (en) | 1993-08-13 | 1993-08-13 | Wheel crawler traveling device idler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4827593U JPH0713673U (en) | 1993-08-13 | 1993-08-13 | Wheel crawler traveling device idler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0713673U true JPH0713673U (en) | 1995-03-07 |
Family
ID=12798894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4827593U Pending JPH0713673U (en) | 1993-08-13 | 1993-08-13 | Wheel crawler traveling device idler |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0713673U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09273067A (en) * | 1996-04-02 | 1997-10-21 | Asahi Seni Kikai Hanbai Kk | Apparatus for finishing and forming garment |
-
1993
- 1993-08-13 JP JP4827593U patent/JPH0713673U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09273067A (en) * | 1996-04-02 | 1997-10-21 | Asahi Seni Kikai Hanbai Kk | Apparatus for finishing and forming garment |
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