JP2501340Y2 - Crawler type vehicle running unit - Google Patents

Crawler type vehicle running unit

Info

Publication number
JP2501340Y2
JP2501340Y2 JP7067790U JP7067790U JP2501340Y2 JP 2501340 Y2 JP2501340 Y2 JP 2501340Y2 JP 7067790 U JP7067790 U JP 7067790U JP 7067790 U JP7067790 U JP 7067790U JP 2501340 Y2 JP2501340 Y2 JP 2501340Y2
Authority
JP
Japan
Prior art keywords
sprocket
type vehicle
hydraulic motor
crawler type
crawler
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 - Lifetime
Application number
JP7067790U
Other languages
Japanese (ja)
Other versions
JPH0429432U (en
Inventor
博 八柳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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 by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP7067790U priority Critical patent/JP2501340Y2/en
Publication of JPH0429432U publication Critical patent/JPH0429432U/ja
Application granted granted Critical
Publication of JP2501340Y2 publication Critical patent/JP2501340Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【考案の詳細な説明】 (産業上の利用分野) 本考案は,クローラ式車両の走行ユニツトに関するも
のである。
DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a traveling unit of a crawler type vehicle.

(従来の技術) 従来のクローラ式車両の走行ユニツトを第3図により
説明すると,(1)がクローラ式車両の走行ユニツト,
(2)が油圧モータ,(3)がパーキングブレーキ,
(4)が減速機,(5)が制御弁,(6)が車両側フレ
ーム,(7)がクローラシユ,(8)がスプロケツト,
(101)が同スプロケツト(8)の歯部で,同歯部(10
1)が上記クローラシユ(7)に噛合している。また(1
1)が上記減速機(4)の固定ケーシング,(10)が同
固定ケーシング(11)を上記車両側フレーム(6)に固
定するボルト,(12)が上記減速機(4)の出力端であ
る回転ケーシングで,同回転ケーシング(12)の外周面
にスプロケツト取付用フランジが形成されて,同スプロ
ケツト取付用フランジの反固定ケーシング側面に上記ス
プロケツト(8)がボルト(9)を介して固定されてい
る。また(13)(14)が上記減速機(4)の固定ケーシ
ング(11)と上記回転ケーシング(12)との間に介装し
たベアリングで,油圧モータ(2)に内蔵したカムの傾
斜角度を高速及び低速の2段階に切り換えて,油圧モー
タ(2)の容量を変化させることにより,油圧モータ
(2)の回転数を変化させ,この油圧モータ(2)の回
転を減速機(4)→その出力端である回転ケーシング
(12)→スプロケツト(8)→クローラシユ(7)に伝
えて,同クローラシユ(7)を駆動するようにしてい
る。
(Prior Art) A conventional traveling unit of a crawler type vehicle will be described with reference to FIG.
(2) is a hydraulic motor, (3) is a parking brake,
(4) is a speed reducer, (5) is a control valve, (6) is a vehicle side frame, (7) is a crawler, (8) is a sprocket,
(101) is the tooth portion of the sprocket (8), and the tooth portion (10)
1) meshes with the crawler shoe (7). Also (1
1) is a fixed casing of the speed reducer (4), (10) is a bolt for fixing the fixed casing (11) to the vehicle side frame (6), and (12) is an output end of the speed reducer (4). In a rotating casing, a sprocket mounting flange is formed on the outer peripheral surface of the rotating casing (12), and the sprocket (8) is fixed to the side of the non-fixed casing of the sprocket mounting flange with a bolt (9). ing. Further, (13) and (14) are bearings interposed between the fixed casing (11) and the rotating casing (12) of the speed reducer (4), and the inclination angle of the cam built in the hydraulic motor (2) is adjusted. The rotation speed of the hydraulic motor (2) is changed by switching between high speed and low speed and the capacity of the hydraulic motor (2) is changed, and the rotation of the hydraulic motor (2) is reduced by the speed reducer (4) → The output is transmitted to the rotary casing (12) → sprocket (8) → crawler shroud (7) to drive the crawler shroud (7).

(考案が解決しようとする課題) 前記第3図に示す従来のクローラ式車両の走行ユニツ
トでは,スプロケツト(8)を回転ケーシング(12)の
外周面に形成したスプロケツト取付用フランジのうち,
反固定ケーシング(11)側側面に固定している。そのた
め,走行ユニツト(1)の保守,点検時には,クローラ
シユ(7)をスプロケツト(8)から外し,次いで複数
のボルト(10)を取外して,スプロケツト(8)を取り
付いたまま走行ユニツト(1)を車両側フレーム(6)
から取外し,次いで複数のボルト(9)を取外して,ス
プロケツト(8)を走行ユニツト(1)の回転ケーシン
グ(12)から取外す必要があり,上述のようにクローラ
シユ(7)をスプロケツト(8)から外さなければなら
ないので,走行ユニツト(1)の保守,点検の作業性が
悪いという問題があった。
(Problems to be Solved by the Invention) In the conventional traveling unit for the crawler type vehicle shown in FIG. 3, among the flanges for mounting the sprocket in which the sprocket (8) is formed on the outer peripheral surface of the rotating casing (12),
It is fixed to the side surface opposite to the fixed casing (11). Therefore, at the time of maintenance and inspection of the traveling unit (1), remove the crawler shoe (7) from the sprocket (8), then remove the bolts (10), and attach the traveling unit (1) with the sprocket (8) attached. Vehicle side frame (6)
It is necessary to remove the sprocket (8) from the rotating casing (12) of the traveling unit (1) by removing the bolts (9) from the sprocket (8) as described above. Since it had to be removed, there was a problem that the workability of maintenance and inspection of the traveling unit (1) was poor.

本考案は前記の問題点に鑑み提案するものであり,そ
の目的とする処は,走行ユニツトの保守,点検の作業性
を向上できるクローラ式車両の走行ユニツトを提供しよ
うとする点にある。
The present invention is proposed in view of the above problems, and an object thereof is to provide a traveling unit for a crawler type vehicle that can improve the workability of maintenance and inspection of the traveling unit.

(課題を解決するための手段) 上記の目的を達成するために,本考案は,油圧モータ
に内蔵したカムの傾斜角度を高速及び低速の2段階に切
り換えて,油圧モータの容量を変化させることにより,
油圧モータの回転数を変化させ,この油圧モータの回転
を減速機及びスプロケツトを介しクローラシユに伝え
て,同クローラシユを駆動するクローラ式車両の走行ユ
ニツトにおいて,前記減速機の出力端である回転ケーシ
ングの外周面に設けたスプロケツト取付用フランジのう
ち,減速機の固定ケーシング側側面にスプロケツトを取
付けている。
(Means for Solving the Problems) In order to achieve the above object, the present invention changes the capacity of a hydraulic motor by switching the inclination angle of a cam built into the hydraulic motor between two stages, high speed and low speed. Due to
The rotation speed of the hydraulic motor is changed, and the rotation of the hydraulic motor is transmitted to the crawler shoe via the speed reducer and the sprocket to drive the crawler shoe. Among the flanges for mounting the sprocket on the outer peripheral surface, the sprocket is mounted on the side of the reducer facing the fixed casing.

(作用) 本考案のクローラ式車両の走行ユニツトは前記のよう
に構成されており,走行ユニツトの保守,点検時,固定
ケーシングを車両側フレームに取付けている複数のボル
トと,スプロケツトを回転ケーシングのスプロケツト取
付用フランジに取付けている複数のボルトとを取外し,
次いで走行ユニツトを取外し方向に移動させて,車両側
フレームから取り外す。
(Operation) The running unit of the crawler type vehicle of the present invention is constructed as described above. During maintenance and inspection of the running unit, a plurality of bolts for fixing the fixed casing to the vehicle side frame and a sprocket for the rotating casing are installed. Remove the bolts attached to the sprocket mounting flange,
Then, remove the traveling unit in the direction of removal and remove it from the vehicle-side frame.

(実施例) 次に本考案のクローラ式車両の走行ユニツトを第1,2
図に示す一実施例により説明すると,(1)がクローラ
式車両の走行ユニツト,(2)が油圧モータ,(3)が
パーキングブレーキ,(4)が減速機,(5)が制御
弁,(6)が車両側フレーム,(7)がクローラシユ,
(8)がスプロケツト,(101)が同スプロケツト
(8)の歯部で,同歯部(101)が上記クローラシユ
(7)に噛合している。また(11)が上記減速機(4)
の固定ケーシング,(10)が同固定ケーシング(11)を
上記車両側フレーム(6)に固定するボルト,(12)が
上記減速機(4)の出力端である回転ケーシングで、同
回転ケーシング(12)の外周面にスプロケツト取付用フ
ランジ(102)が形成されて,同スプロケツト取付用フ
ランジ(102)の固定ケーシング(11)側面(103)に上
記スプロケツト(8)がボルト(9)を介して固定され
ている。また(13)(14)が上記減速機(4)の固定ケ
ーシング(11)と上記回転ケーシング(12)との間に介
装したベアリングである。
(Embodiment) Next, the running units of the crawler type vehicle of the present invention are first and second
Explaining with one embodiment shown in the figure, (1) is a running unit of a crawler type vehicle, (2) is a hydraulic motor, (3) is a parking brake, (4) is a speed reducer, (5) is a control valve, ( 6) is a vehicle side frame, (7) is a crawler shoe,
(8) is a sprocket, (101) is a tooth portion of the sprocket (8), and the tooth portion (101) meshes with the crawler shoe (7). Further, (11) is the speed reducer (4).
Fixed casing, (10) is a bolt for fixing the fixed casing (11) to the vehicle-side frame (6), and (12) is a rotary casing which is an output end of the speed reducer (4). A sprocket mounting flange (102) is formed on the outer peripheral surface of the sprocket (12), and the sprocket (8) is attached to the side surface (103) of the fixed casing (11) of the sprocket mounting flange (102) through a bolt (9). It is fixed. Further, (13) and (14) are bearings interposed between the fixed casing (11) and the rotating casing (12) of the speed reducer (4).

次に前記第1,2図に示すクローラ式車両の走行ユニツ
トの作用を具体的に説明する。減速機(4)の出力端で
ある回転ケーシング(12)の外周面に設けたスプロケツ
ト取付用フランジ(102)のうち,減速機(4)の固定
ケーシング(11)側の側面(103)にスプロケツト
(8)に取付けており,走行ユニツト(1)の保守,点
検時には,固定ケーシング(11)を車両側フレーム
(6)に取付けている複数のボルト(10)と,スプロケ
ツト(8)を回転ケーシング(12)のスプロケツト取付
用フランジ(102)に取付けている複数のボルト(9)
とを取外し,次いで走行ユニツト(1)を矢印(104)
方向に移動させて,車両側フレーム(6)から取り外
す。なおスプロケツト(8)のボルト孔は,ねじ孔でな
くてもよい。
Next, the operation of the traveling unit of the crawler type vehicle shown in FIGS. 1 and 2 will be specifically described. Of the sprocket mounting flange (102) provided on the outer peripheral surface of the rotary casing (12) which is the output end of the reduction gear (4), the sprocket is attached to the side surface (103) on the fixed casing (11) side of the reduction gear (4). The bolts (10) attached to the vehicle unit frame (6) and the sprocket (8) are attached to the rotating casing during maintenance and inspection of the traveling unit (1). Plural bolts (9) attached to the sprocket mounting flange (102) of (12).
And then remove the traveling unit (1) with the arrow (104).
The vehicle side frame (6). The bolt holes of the sprocket (8) do not have to be screw holes.

駆動時には,駆動圧油を制御弁(5)を経て油圧モー
タ(2)へ導き,油圧モータ(2)を回転させ,この回
転を減速機(4)と回転ケーシング(12)とスプロケツ
ト(8)とを経てクローラシユ(7)に伝え,同クロー
ラシユ(7)を駆動して,クローラ式車両を走行させ
る。
At the time of driving, the driving pressure oil is guided to the hydraulic motor (2) through the control valve (5), the hydraulic motor (2) is rotated, and this rotation is reduced (4), the rotary casing (12) and the sprocket (8). It is transmitted to the crawler shoe (7) via the, and the crawler shoe (7) is driven to drive the crawler type vehicle.

(考案の効果) 本考案のクローラ式車両の走行ユニツトは前記のよう
に走行ユニツトの保守,点検時,固定ケーシングを車両
側フレームに取付けている複数のボルトと,スプロケツ
トを回転ケーシングのスプロケツト取付用フランジに取
付けている複数のボルトとを取外し,次いで走行ユニツ
トを取外し方向に移動させて,車両側フレームから取り
外すので,前記従来のようにクローラシユをスプロケツ
トから外す必要がなくて,走行ユニツトの保守,点検の
作業性を向上できる効果がある。
(Effects of the Invention) As described above, the running unit of the crawler type vehicle of the present invention is used for maintenance and inspection of the running unit, and a plurality of bolts for attaching the fixed casing to the vehicle side frame and the sprocket for attaching the sprocket to the rotating casing. The bolts attached to the flange are removed, and then the travel unit is moved in the removal direction and removed from the vehicle-side frame, so there is no need to remove the crawler shoe from the sprocket as in the conventional case. This has the effect of improving the workability of inspection.

【図面の簡単な説明】[Brief description of drawings]

第1図は本考案に係わるクローラ式車両の走行ユニツト
の一実施例を示す縦断側面図,第2図は第1図の矢視A
−A線に沿う側面図,第3図は従来のクローラ式車両の
走行ユニツトを示す縦断側面図である。 (1)……走行ユニツト,(2)……油圧モータ,
(4)……減速機,(5)……制御弁,(6)……車両
側フレーム,(8)……スプロケツト,(9)(10)…
…ボルト,(11)……固定ケーシング,(12)……回転
ケーシング,(102)……スプロケツト取付用フラン
ジ,(103)……フランジ(102)の固定ケーシング側側
面。
FIG. 1 is a vertical sectional side view showing an embodiment of a traveling unit of a crawler type vehicle according to the present invention, and FIG. 2 is an arrow A of FIG.
FIG. 3 is a side view taken along the line A, and FIG. 3 is a longitudinal side view showing a traveling unit of a conventional crawler type vehicle. (1) …… Running unit, (2) …… Hydraulic motor,
(4) ...... Reducer, (5) ...... Control valve, (6) ...... Vehicle side frame, (8) ...... Sprockets, (9) (10) ...
… Bolts, (11) …… Fixed casing, (12) …… Rotating casing, (102) …… Sprocket mounting flange, (103) …… Flange (102) side of fixed casing side.

Claims (1)

(57)【実用新案登録請求の範囲】(57) [Scope of utility model registration request] 【請求項1】油圧モータに内蔵したカムの傾斜角度を高
速及び低速の2段階に切り換えて,油圧モータの容量を
変化させることにより,油圧モータの回転数を変化さ
せ,この油圧モータの回転を減速機及びスプロケツトを
介しクローラシユに伝えて,同クローラシユを駆動する
クローラ式車両の走行ユニツトにおいて,前記減速機の
出力端である回転ケーシングの外周面に設けたスプロケ
ツト取付用フランジのうち,減速機の固定ケーシング側
側面にスプロケツトを取付けたことを特徴とするクロー
ラ式車両の走行ユニツト。
1. The rotation angle of a hydraulic motor is changed by switching the inclination angle of a cam incorporated in the hydraulic motor between two stages, high speed and low speed, and changing the displacement of the hydraulic motor. In a running unit of a crawler type vehicle that transmits to a crawler shoe via a reducer and a sprocket and drives the crawler shoe, of the sprocket mounting flanges provided on the outer peripheral surface of the rotary casing, which is the output end of the reducer, of the reducer A traveling unit for a crawler type vehicle having a sprocket attached to the side surface of the fixed casing.
JP7067790U 1990-07-04 1990-07-04 Crawler type vehicle running unit Expired - Lifetime JP2501340Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7067790U JP2501340Y2 (en) 1990-07-04 1990-07-04 Crawler type vehicle running unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7067790U JP2501340Y2 (en) 1990-07-04 1990-07-04 Crawler type vehicle running unit

Publications (2)

Publication Number Publication Date
JPH0429432U JPH0429432U (en) 1992-03-10
JP2501340Y2 true JP2501340Y2 (en) 1996-06-19

Family

ID=31607037

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7067790U Expired - Lifetime JP2501340Y2 (en) 1990-07-04 1990-07-04 Crawler type vehicle running unit

Country Status (1)

Country Link
JP (1) JP2501340Y2 (en)

Also Published As

Publication number Publication date
JPH0429432U (en) 1992-03-10

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