JPS6338098Y2 - - Google Patents
Info
- Publication number
- JPS6338098Y2 JPS6338098Y2 JP10045479U JP10045479U JPS6338098Y2 JP S6338098 Y2 JPS6338098 Y2 JP S6338098Y2 JP 10045479 U JP10045479 U JP 10045479U JP 10045479 U JP10045479 U JP 10045479U JP S6338098 Y2 JPS6338098 Y2 JP S6338098Y2
- Authority
- JP
- Japan
- Prior art keywords
- gear
- hydraulic motor
- gear case
- shaft
- main frame
- 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
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- Arrangement Of Transmissions (AREA)
- Motor Power Transmission Devices (AREA)
- Gear Transmission (AREA)
Description
【考案の詳細な説明】
この考案は無限軌道走行装置の歯車駆動構造に
関するものである。[Detailed Description of the Invention] This invention relates to a gear drive structure for a track traveling device.
一般に無限軌道走行装置の歯車駆動構造は、履
帯で囲まれた狭隘な場所に設けられることになる
ため、コンパクトに構成することが必要とされる
ものであるが、本案ではギヤケースをもフレーム
の構成部材とさせ、しかもそのギヤケース内の歯
車列を千鳥状に噛合させることで充分な減速比を
得ながら全体をコンパクトに構成し、しかも油圧
モーターを主枠内に収納して走行の障害を解消で
きるようにした歯車駆動構造を提供せんとするも
のである。 Generally, the gear drive structure of a tracked traveling device is installed in a narrow space surrounded by tracks, so it needs to be constructed compactly. The gear train in the gear case is meshed in a staggered manner to obtain a sufficient reduction ratio while making the whole compact, and the hydraulic motor is housed within the main frame, eliminating problems with running. The present invention aims to provide such a gear drive structure.
以下本案を図面に示す実施例に基づき説明す
る。 The present invention will be explained below based on embodiments shown in the drawings.
第１図に示すＡはバツクホーであり、左右の無
限軌道走行装置１，１間に架設した旋回支持枠
２′上に旋回台２を設け、同旋回台２上に機台３
を支持し、同機台３の前端部に掘削機４を設けて
なる。４ａは同掘削機４の主ブーム、４ｂは中間
ブーム、４ｃはバケツト、又５は機台３上に設け
たエンジン駆動部であり、エンジンに連設して油
圧ポンプが設けらてれいる。６は運転席キヤビン
である。 A shown in FIG. 1 is a backhoe, and a swivel base 2 is installed on a swivel support frame 2' constructed between the left and right track traveling devices 1, 1, and a machine base 3 is mounted on the swivel base 2.
An excavator 4 is provided at the front end of the machine stand 3. 4a is a main boom of the excavator 4, 4b is an intermediate boom, 4c is a bucket, and 5 is an engine drive section provided on the machine base 3, and a hydraulic pump is provided in connection with the engine. 6 is the driver's seat cabin.
７は上記無限軌道走行装置１のフレームであ
り、第４図に示すように、主枠７ａの前端に内外
側ギヤケース７ｂ−２，７ｂ−１からなるギヤケ
ース７ｂを連設したフレーム構造に構成してい
る。 Reference numeral 7 denotes a frame of the tracked traveling device 1, and as shown in FIG. 4, it has a frame structure in which a gear case 7b consisting of inner and outer gear cases 7b-2 and 7b-1 is connected to the front end of a main frame 7a. ing.
そして、主枠７ａの前端の内側面に、ギヤケー
ス７ｂを構成する外側ギヤケース７ｂ−１の後部
を連設し、同外側ギヤケース７ｂ−１の前部外側
面に駆動輪８を配設すると共に、外側ギヤケース
７ｂ−１の基端の外側面に油圧モーター１２を主
枠７ａの枠内に配設している。 Then, the rear part of the outer gear case 7b-1 constituting the gear case 7b is connected to the inner surface of the front end of the main frame 7a, and the drive wheel 8 is arranged on the front outer surface of the outer gear case 7b-1. A hydraulic motor 12 is disposed within the main frame 7a on the outer surface of the base end of the outer gear case 7b-1.
しかも、主枠７ａと外側ギヤケース７ｂ−１と
は一体に連設し、かつ油圧モーター１２を外側ギ
ヤケース７ｂ−１に取付けることにより、主枠７
ａの先端部分に油圧モーター収納機能を保持させ
ている。 Moreover, the main frame 7a and the outer gear case 7b-1 are integrally connected, and the hydraulic motor 12 is attached to the outer gear case 7b-1.
The tip of a has a hydraulic motor storage function.
また、主枠７ａの後端には、遊動輪９を設け、
駆動輪８と遊動輪９との間には履帯１０を懸架し
て無限軌道走行装置１を構成している。１１は主
枠７ａの下側に軸支した転動輪である。 Further, an idler wheel 9 is provided at the rear end of the main frame 7a,
A crawler belt 10 is suspended between a driving wheel 8 and an idler wheel 9 to constitute a track traveling device 1. Reference numeral 11 denotes a rolling wheel pivotally supported on the lower side of the main frame 7a.
そして、ギヤケース７ｂの基端の外側面に設け
た油圧モーター１２と、駆動輪８との間には以下
のような歯車伝達構造が構成されている。 The following gear transmission structure is constructed between the hydraulic motor 12 provided on the outer surface of the base end of the gear case 7b and the drive wheel 8.
すなわち、歯車伝達構造は、駆動輪軸８′と油
圧モーター軸１２′とを結ぶ直線ｃ上にギヤ軸１
３，１４を並設し、各ギヤ軸１３，１４にはそれ
ぞれ大小の伝達歯車１３ａ，１３ｂ，１４ａ，１
４ｂを設け、同伝達歯車１３ａ，１３ｂ，１４
ａ，１４ｂを駆動輪軸８′に設けた大歯車８ａと
油圧モーター軸１２′に設けた小歯車１２ｂとの
間において千鳥状に噛合するようにギヤケース７
ｂ内に組込み構成されている。 That is, the gear transmission structure has the gear shaft 1 on the straight line c connecting the drive wheel shaft 8' and the hydraulic motor shaft 12'.
3 and 14 are arranged in parallel, and each gear shaft 13 and 14 has large and small transmission gears 13a, 13b, 14a, 1, respectively.
4b, and the same transmission gears 13a, 13b, 14
The gear case 7 is arranged so that the gears a and 14b mesh in a staggered manner between the large gear 8a provided on the drive wheel shaft 8' and the small gear 12b provided on the hydraulic motor shaft 12'.
It is built into B.
従つて、油圧ポンプにより駆動される油圧モー
ター１２の回転は、油圧モーター軸１２′に設け
た小歯車１２ｂから伝達軸１３の大歯車１３ａに
減速伝達されたのち、同伝達軸１３の小歯車１３
ｂから次の伝達軸１４の大歯車１４ａに減速伝達
され、さらに同伝達軸１４の小歯車１４ｂから駆
動軸輪８′の大歯車８ａに減速伝達されて駆動輪
８を回転させることになるのである。 Therefore, the rotation of the hydraulic motor 12 driven by the hydraulic pump is decelerated and transmitted from the small gear 12b provided on the hydraulic motor shaft 12' to the large gear 13a of the transmission shaft 13.
The deceleration is transmitted from b to the large gear 14a of the next transmission shaft 14, and further deceleration is transmitted from the small gear 14b of the same transmission shaft 14 to the large gear 8a of the drive shaft wheel 8', thereby rotating the drive wheel 8. be.
このように、油圧モーター１２から駆動輪８へ
の動力伝達は、直線ｃ上において油圧モーター軸
１２′と駆動輪軸８′との最短距離を千鳥状に伝達
されることになり、したがつて動力伝達構造はコ
ンパクトになりながらも大きな減速比が得られる
ものである。 In this way, the power is transmitted from the hydraulic motor 12 to the drive wheels 8 in a staggered manner along the shortest distance between the hydraulic motor shaft 12' and the drive wheel shaft 8' on the straight line c. The transmission structure is compact and yet provides a large reduction ratio.
上述のように本考案によれば、以下のような作
用効果が生起される。 As described above, according to the present invention, the following effects are produced.
動力伝達構造を組込んだギヤケースが駆動輪
を支持するフレーム部材となるので、走行装置
全体の構造をコンパクトに構成できる。 Since the gear case incorporating the power transmission structure serves as a frame member that supports the drive wheels, the structure of the entire traveling device can be made compact.
駆動輪軸と油圧モーター軸とを結ぶ直線上に
複数のギヤ軸が並設されているので、駆動輪軸
と油圧モーター軸との間隔は最大限となり、ギ
ヤケースの上下幅を小さくしながらも油圧モー
ターを駆動輪よりも可及的に後方に配設でき、
その間に充分なスペースが得られ、油圧モータ
ーを主枠の前部内に収納することに何ら支障と
ならず、油圧モーターを収納するケースを不要
とでき、全体フレーム構造を簡素化できる。 Since multiple gear shafts are arranged in parallel on a straight line connecting the drive wheel shaft and the hydraulic motor shaft, the distance between the drive wheel shaft and the hydraulic motor shaft is maximized, and the hydraulic motor can be operated while reducing the vertical width of the gear case. It can be placed as far back as possible from the drive wheels,
Sufficient space is obtained between them, there is no problem in storing the hydraulic motor in the front part of the main frame, a case for storing the hydraulic motor is not required, and the overall frame structure can be simplified.
上記により、油圧モーターが無限軌道走行
装置の外部に突出せず、走行上の障害を解消で
きる。 As a result of the above, the hydraulic motor does not protrude to the outside of the track traveling device, and obstacles to traveling can be eliminated.
大小伝達歯車を千鳥状に噛合させることによ
り、ギヤケースの横幅を可及的に狭めることが
できるために、油圧モーターから駆動輪への動
力伝達構造が、コンパクトに構成されながらも
大きな減速比が得られる。 By meshing large and small transmission gears in a staggered manner, the width of the gear case can be made as narrow as possible, resulting in a compact structure for transmitting power from the hydraulic motor to the drive wheels, while still achieving a large reduction ratio. It will be done.
第１図は本案実施例の無限軌道走行装置を装備
したバツクホーの全体側面図、第２図は歯車駆動
構造を示す全体側面図、第３図は同横断平面図、
第４図は無限軌道走行装置の一部切欠平面図であ
る。
Ａ：バツクホー、１：無限軌道走行装置、７：
フレーム、７ａ：主枠、７ｂ：ギヤケース、８：
駆動輪、８′：駆動輪軸、８ａ：大歯車、１２：
油圧モーター、１２′：油圧モーター軸、１２
ｂ：小歯車、１３，１４：伝達軸、１３ａ，１４
ａ：大歯車（伝達歯車）、１３ｂ，１４ｂ：小歯
車（伝達歯車）ｃ：直線。
Fig. 1 is an overall side view of a backhoe equipped with a track running device according to an embodiment of the present invention, Fig. 2 is an overall side view showing the gear drive structure, Fig. 3 is a cross-sectional plan view of the same,
FIG. 4 is a partially cutaway plan view of the endless track traveling device. A: Backhoe, 1: Track running device, 7:
Frame, 7a: Main frame, 7b: Gear case, 8:
Drive wheel, 8': Drive wheel shaft, 8a: Big gear, 12:
Hydraulic motor, 12': Hydraulic motor shaft, 12
b: Small gear, 13, 14: Transmission shaft, 13a, 14
a: Large gear (transmission gear), 13b, 14b: Small gear (transmission gear) c: Straight line.
Claims (1)
構成する外側ギヤケース７ｂ−１の後部を連設
し、外側ギヤケース７ｂ−１の前部外側面に駆動
輪８を連設すると共に、外側ギヤケース７ｂ−１
の基端の外側面に油圧モーター１２を設け、同モ
ーター１２を主枠７ａの枠内に配設し、しかも主
枠７ａとギヤケース７ｂを構成する外側ギヤケー
ス７ｂ−１とは一体に連設し、かつ油圧モーター
１２を外側ギヤケース７ｂ−１に取付けることに
より、主枠７ａの先端部分に油圧モーター収納機
能を保持せしめ、かつ駆動輪軸８′と油圧モータ
ー軸１２′とを結ぶ直線ｃ上に複数のギヤ軸１３，
１４を並設し、同各ギヤ軸１３，１４にはそれぞ
れ大小の伝達歯車１３ａ，１３ｂ，１４ａ，１４
ｂを設け、かつ同各伝達歯車１３ａ，１３ｂ，１
４ａ，１４ｂを、駆動輪軸８′に設けた大歯車８
ａと油圧モーター軸１２′に設けた小歯車１２ｂ
との間において千鳥状に噛合するようにギヤケー
ス７ｂ内に収納構成した無限軌道走行装置の歯車
駆動構造。 The rear part of the outer gear case 7b-1 constituting the gear case 7b is connected to the inner surface of one end of the main frame 7a, and the drive wheel 8 is connected to the front outer surface of the outer gear case 7b-1. -1
A hydraulic motor 12 is provided on the outer surface of the base end, and the motor 12 is disposed within the frame of the main frame 7a, and the main frame 7a and the outer gear case 7b-1 constituting the gear case 7b are integrally connected. , and by attaching the hydraulic motor 12 to the outer gear case 7b-1, the hydraulic motor storage function is maintained at the tip of the main frame 7a, and a plurality of hydraulic motors are mounted on the straight line c connecting the drive wheel shaft 8' and the hydraulic motor shaft 12'. gear shaft 13,
14 are arranged in parallel, and each gear shaft 13, 14 has large and small transmission gears 13a, 13b, 14a, 14, respectively.
b, and each transmission gear 13a, 13b, 1
4a and 14b are provided on the drive wheel shaft 8'.
a and a small gear 12b provided on the hydraulic motor shaft 12'.
A gear drive structure for a track traveling device, which is housed in a gear case 7b so as to mesh in a staggered manner between the two gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10045479U JPS6338098Y2 (en) | 1979-07-19 | 1979-07-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10045479U JPS6338098Y2 (en) | 1979-07-19 | 1979-07-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5618277U JPS5618277U (en) | 1981-02-18 |
| JPS6338098Y2 true JPS6338098Y2 (en) | 1988-10-07 |
Family
ID=29333183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10045479U Expired JPS6338098Y2 (en) | 1979-07-19 | 1979-07-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6338098Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63193452U (en) * | 1987-05-31 | 1988-12-13 |
-
1979
- 1979-07-19 JP JP10045479U patent/JPS6338098Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5618277U (en) | 1981-02-18 |
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