JPH044193B2 - - Google Patents
Info
- Publication number
- JPH044193B2 JPH044193B2 JP60026995A JP2699585A JPH044193B2 JP H044193 B2 JPH044193 B2 JP H044193B2 JP 60026995 A JP60026995 A JP 60026995A JP 2699585 A JP2699585 A JP 2699585A JP H044193 B2 JPH044193 B2 JP H044193B2
- Authority
- JP
- Japan
- Prior art keywords
- frame
- transmission
- outer tube
- engine
- propulsion shaft
- 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
Links
- 230000005540 biological transmission Effects 0.000 claims description 25
- 230000000694 effects Effects 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/18—Understructures, i.e. chassis frame on which a vehicle body may be mounted characterised by the vehicle type and not provided for in groups B62D21/02 - B62D21/17
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D49/00—Tractors
- B62D49/06—Tractors adapted for multi-purpose use
- B62D49/0664—Light, simple, and economical tractors
- B62D49/0671—Light, simple, and economical tractors the driver riding on the tractor
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Arrangement Of Transmissions (AREA)
- Body Structure For Vehicles (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は農耕用・土木作業用あるいは運搬用等
の乗用トラクタの車体フレームに関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a body frame of a riding tractor for use in agriculture, civil engineering work, transportation, etc.
乗用トラクタの車体フレームは前後方向に長い
けた状が一般で、その中央部には推進軸を通し、
前部にはエンジンを搭載したり、前輪の車軸外管
を取付け、また後部には変速機を取付け、さらに
後輪の車軸外管を取付ける関係上、車体フレーム
の前・中・後の各部分の形状構造が異なる。従つ
て車体フレームを始めから一体に構成するのは困
難である。
The body frame of a passenger tractor is generally long in the longitudinal direction, and the propulsion shaft is passed through the center of the frame.
The front, middle, and rear parts of the body frame are equipped with the engine and the front axle outer tube, and the transmission and the rear axle outer tube are attached to the rear. The shape structure is different. Therefore, it is difficult to construct the vehicle body frame integrally from the beginning.
そこで従来は、前部フレームと中央フレームと
後部フレームを別体に作り、それら３部材相互を
フランジ継手を介してボルト締めによつて結合し
ている。 Therefore, conventionally, the front frame, the center frame, and the rear frame are made separately, and these three members are connected to each other by bolting through a flange joint.
ところが、前後方向に長いけた状フレームがそ
の途中の数ケ所でフランジ結合されていると、そ
のフランジの合せ部分がフレーム強度の最も弱い
所となり、フレーム全体の強度のバランスを無く
している。
However, when a longitudinally long beam-like frame is joined by flanges at several points along the way, the flanges meet at the weakest point of the frame, causing an imbalance in the overall strength of the frame.
またフランジの溶接・ボルト穴の加工・ボルト
締めなどを必要とするので、工数が多く、寸法精
度も出しにくい。 In addition, it requires welding flanges, drilling bolt holes, tightening bolts, etc., which requires a lot of man-hours and makes it difficult to achieve dimensional accuracy.
さらに車軸に差動歯車装置を設ける機種の場
合、その差動歯車装置を収容したケースを車体フ
レームの下に取付けているため車高が高い。従つ
て不整地走行に適さない。 Furthermore, in the case of a model in which a differential gear device is provided on the axle, the vehicle height is high because the case containing the differential gear device is attached under the vehicle body frame. Therefore, it is not suitable for driving on rough terrain.
本発明は、乗用トラクタのけた状車体フレーム
における上記の問題点を解決することを目的とす
る。 An object of the present invention is to solve the above-mentioned problems in the girder-shaped vehicle body frame of a passenger tractor.
〔課題を解決するための手段〕
本発明は上記の目的を達成するため、図面に示
すように、エンジン８・変速機５および差動歯車
装置等の伝動装置（車軸外管中央部３Ａに収容さ
れるが図には省略されている）を備えた乗用トラ
クタ１の車体フレーム２を、車軸外管３を左右に
貫通させてその車軸外管３の中央部３Ａを取付
け、且つ上面にエンジン８を搭載する逆凹形断面
の前部フレーム２Ａと、後部に変速機５を取付け
る凹形断面の後部フレーム２Ｃと、前部フレーム
２Ａと後部フレーム２Ｃの間に位置する箱形断面
の中央フレーム２Ｂとで構成し、その前部・後部
および中央のフレーム２Ａ，２Ｃ，２Ｂの端部相
互のはめ合わせ接合Ｊ１，Ｊ２によつて、前・
中・後のフレーム２Ａ，２Ｂ，２Ｃを一体とし、
前部フレーム２Ａに搭載したエンジン８と後部フ
レーム２Ｃに取付けた変速機５を、中央フレーム
２Ｂの上に位置する第１推進軸１３で連結し、前
部フレーム２Ａ内において車軸外管中央部３Ａに
設けた伝動装置（図には省略されている）と後部
フレーム２Ｃに取付けた変速機５を、中央フレー
ム２Ｂに収容した第２推進軸４で連結したことを
特徴とする。[Means for Solving the Problems] In order to achieve the above object, the present invention, as shown in the drawings, includes an engine 8, a transmission 5, and a transmission device such as a differential gear device (accommodated in the center portion 3A of the outer axle tube). The axle outer tube 3 is passed through the body frame 2 of a passenger tractor 1 equipped with a vehicle body frame 2 equipped with an axle outer tube 3 (not shown in the figure), and the central portion 3A of the axle outer tube 3 is attached to the body frame 2 of the passenger tractor 1. A front frame 2A with a reverse concave cross section in which the transmission 5 is mounted, a rear frame 2C with a concave cross section to which the transmission 5 is attached to the rear, and a central frame 2B with a box-shaped cross section located between the front frame 2A and the rear frame 2C. The front and rear parts and the ends of the central frames 2A, 2C, and 2B are fitted together by fitting joints J1 and J2.
The middle and rear frames 2A, 2B, and 2C are integrated,
The engine 8 mounted on the front frame 2A and the transmission 5 mounted on the rear frame 2C are connected by a first propulsion shaft 13 located on the central frame 2B, and the axle outer tube central portion 3A is connected within the front frame 2A. A transmission device (not shown in the figure) provided in the central frame 2C and a transmission 5 attached to the rear frame 2C are connected by a second propulsion shaft 4 housed in the central frame 2B.
エンジン８・変速機５・伝動装置およびそれら
相互を連結する第１・第２の推進軸１３，４から
成る動力伝達系の中に車体フレーム２（２Ａ，２
Ｂ，２Ｃ）が組み入れられた構成となり、車体フ
レーム２と第１推進軸１３と第２推進軸４の３部
材が略平行に並んで組合せ梁の効果を奏する。
A vehicle body frame 2 (2A, 2
B, 2C) are incorporated, and the three members of the vehicle body frame 2, the first propulsion shaft 13, and the second propulsion shaft 4 are lined up substantially in parallel to produce the effect of a combination beam.
また、上記車体フレーム２・第１推進軸１３お
よび第２推進軸４等が車体の前後方向に長く延び
ている関係でエンジン８および変速機５の振動を
吸収する。 In addition, the body frame 2, the first propulsion shaft 13, the second propulsion shaft 4, etc. extend long in the longitudinal direction of the vehicle body, so that vibrations of the engine 8 and transmission 5 are absorbed.
前部フレーム２Ａ・中央フレーム２Ｂ・後部フ
レーム２Ｃの端部相互のはめ合わせ接合Ｊ１，Ｊ
２は、例えば溶接、リベツト締め等によつて一体
化される。
Mutual fitting joints of the ends of the front frame 2A, central frame 2B, and rear frame 2C J1, J
2 are integrated by, for example, welding, riveting, or the like.
第２図に示す乗用トラクタ１は、前部フレーム
２Ａおよび後部フレーム２Ｃの左右に車輪６，７
を備え、前部フレーム２Ａの上に搭載したエンジ
ン８をボンネツト９で覆い、そのエンジン８の後
方に操向ハンドル１０・運転席１１を設け、後端
部に作業装置連結器１２を持つている。 The passenger tractor 1 shown in FIG. 2 has wheels 6 and 7 on the left and right sides of a front frame 2A and a rear frame 2C.
An engine 8 mounted on a front frame 2A is covered with a bonnet 9, a steering handle 10 and a driver's seat 11 are provided behind the engine 8, and a working device coupler 12 is provided at the rear end. .
エンジン８と後方の変速機５をつなぐ第１推進
軸１３は車体フレーム２の上方に配置され、トン
ネル状カバー１４で覆つている。 A first propulsion shaft 13 connecting the engine 8 and the rear transmission 5 is arranged above the vehicle body frame 2 and covered with a tunnel-shaped cover 14.
前部フレーム２Ａの内部に、車軸外管中央部３
Ａを収容できる間隔を置いて前後一対の仕切璧１
５Ａ，１５Ｂがあり、フレーム２Ａの下面の上記
仕切璧１５Ａ，１５Ｂ間の部分は開放されてい
て、着脱可能の補助フレーム板１７で覆う構成で
ある。またフレーム２Ａの左右両側面の両仕切璧
１５Ａ，１５Ｂ間の部分は逆Ｕ字形１６に切欠か
れている。 Inside the front frame 2A, the axle outer tube central part 3
A pair of front and rear partition walls 1 with a space that can accommodate A
5A and 15B, and the portion between the partition walls 15A and 15B on the lower surface of the frame 2A is open and covered with a removable auxiliary frame plate 17. Further, a portion between both partition walls 15A and 15B on both left and right side surfaces of the frame 2A is cut out in an inverted U shape 16.
車軸外管３の中央部３Ａは、第３図に示すよう
に前部フレーム２Ａの下から前後の仕切璧１５
Ａ，１５Ｂの間に入れて、その仕切璧１５Ａ，１
５Ｂおよび車軸外管中央部３Ａの共通に開いてい
る軸通し穴に軸１８を挿通することによつて吊持
的に取付けられている。従つて車軸外管３は横揺
れ自由である。前部フレーム２Ａの前端部下面も
開放しているが、上記軸１８の挿通、および図に
省略したPTO軸の取付けの後、着脱可能の補助
フレーム板１９で覆つて閉じる。 As shown in FIG.
A, 15B, and the partition wall 15A, 1
5B and the axle outer tube central portion 3A, the shaft 18 is inserted through a shaft through hole that is open in common, so that the shaft 18 is suspended. Therefore, the axle outer tube 3 is free to roll. The lower surface of the front end of the front frame 2A is also open, but after the shaft 18 is inserted and the PTO shaft (not shown) is attached, it is covered and closed with a removable auxiliary frame plate 19.
後輪７の車軸外管２０は変速機５の後部両側に
連結されている。 The outer axle tube 20 of the rear wheel 7 is connected to both rear sides of the transmission 5.
本発明は上記のように、エンジン８・変速機５
および差動歯車装置等の伝動装置を備えた乗用ト
ラクタ１の車体フレーム２を、車軸外管３を左右
に貫通させてその車軸外管３の中央部３Ａを取付
け、且つ上面にエンジン８を搭載する逆凹形断面
の前部フレーム２Ａと、後部に変速機５を取付け
る凹形断面の後部フレーム２Ｃと、前部フレーム
２Ａと後部フレーム２Ｃの間に位置する箱形断面
の中央フレーム２Ｂとで構成し、その前部・後部
および中央のフレーム２Ａ，２Ｃ，２Ｂの端部相
互のはめ合わせ接合Ｊ１，Ｊ２によつて、前・
中・後のフレーム２Ａ，２Ｂ，２Ｃを一体化し、
前部フレーム２Ａに搭載したエンジン８と後部フ
レーム２Ｃに取付けた変速機５を、中央フレーム
２Ｂの上に位置する第１推進軸１３で連結し、前
部フレーム２Ａ内において車軸外管中央部３Ａに
設けた伝動装置と後部フレーム２Ｃに取付けた変
速機５を、中央フレーム２Ｂに収容した第２推進
軸４で連結したから、前記従来の前・中・後フレ
ームをフランジ継手を介してボルト締め結合した
ものに比べて、前・中・後のフレーム相互の接合
箇所Ｊ１，Ｊ２の強度が高く、また車体フレーム
２（２Ａ，２Ｂ，２Ｃ）と第１推進軸１３と第２
推進軸４の３部材が略平行に並ぶ関係上、車体全
体の剛性を向上させるとともに、その車体の前後
方向に延びている車体フレーム２・第１推進軸１
３および第２推進軸４等がエンジン８および変速
機５の振動をよく吸収する。
As described above, the present invention includes an engine 8 and a transmission 5.
The outer axle tube 3 is passed through the body frame 2 of the passenger tractor 1 equipped with a transmission device such as a differential gear device to the left and right, and the center portion 3A of the outer axle tube 3 is attached, and the engine 8 is mounted on the top surface. A front frame 2A with a reverse concave cross section, a rear frame 2C with a concave cross section to which the transmission 5 is attached to the rear, and a central frame 2B with a box-shaped cross section located between the front frame 2A and the rear frame 2C. The front/rear and central frames 2A, 2C, 2B are constructed by fitting joints J1, J2 between the ends of the front/rear and central frames 2A, 2C, 2B.
By integrating the middle and rear frames 2A, 2B, and 2C,
The engine 8 mounted on the front frame 2A and the transmission 5 mounted on the rear frame 2C are connected by a first propulsion shaft 13 located on the central frame 2B, and the axle outer tube central portion 3A is connected within the front frame 2A. The transmission device provided in The strength of the joints J1 and J2 between the front, middle, and rear frames is higher than that of a joint, and the strength of the joints J1 and J2 between the front, middle, and rear frames is higher, and
Since the three members of the propulsion shaft 4 are arranged approximately in parallel, the rigidity of the entire vehicle body is improved, and the vehicle body frame 2 and the first propulsion shaft 1 extend in the longitudinal direction of the vehicle body.
3 and the second propulsion shaft 4, etc., absorb vibrations of the engine 8 and transmission 5 well.
そして前・中・後のフレーム２Ａ，２Ｂ，２Ｃ
を接合するための工数が少なく、寸法精度も出し
やすくて製造コストが下がる。 And front, middle, and rear frames 2A, 2B, 2C
It requires less man-hours to join, and it is easier to achieve dimensional accuracy, reducing manufacturing costs.
また、前輪６の車軸外管中央部３Ａは前部フレ
ーム２Ａの中に、推進軸４は中央フレーム２Ｂの
中に、変速機５は後部フレーム２Ｃの中にそれぞ
れ位置するので車高が低くコンパクトに構成され
る効果がある。 In addition, the central part 3A of the axle outer tube of the front wheel 6 is located in the front frame 2A, the propulsion shaft 4 is located in the central frame 2B, and the transmission 5 is located in the rear frame 2C, so the vehicle height is low and compact. It has the effect of being composed of.
第１図は本発明の車体フレームの斜視図、第２
図は本発明の車体フレームによつて構成された乗
用トラクタの側面図、第３図は前部フレームの車
軸外管取付構造を示す拡大縦断面図。
１は乗用トラクタ、２は車体フレーム、２Ａは
前部フレーム、２Ｂは中央フレーム、２Ｃは後部
フレーム、３は車軸外管、３Ａは車軸外管の中央
部、４は第２推進軸、５は変速機、６，７は車
輪、８はエンジン、１３は第１推進軸、Ｊ１，Ｊ
２ははめ合わせ接合箇所。
Figure 1 is a perspective view of the vehicle body frame of the present invention, Figure 2 is a perspective view of the vehicle body frame of the present invention;
FIG. 3 is a side view of a passenger tractor constructed with the vehicle body frame of the present invention, and FIG. 3 is an enlarged longitudinal cross-sectional view showing the axle outer tube attachment structure of the front frame. 1 is a passenger tractor, 2 is a body frame, 2A is a front frame, 2B is a central frame, 2C is a rear frame, 3 is an axle outer tube, 3A is a center part of the axle outer tube, 4 is a second propulsion shaft, and 5 is a Transmission, 6 and 7 are wheels, 8 is engine, 13 is first propulsion shaft, J1, J
2 is the fitting joint.
Claims (1)
用トラクタの車体フレームを、車軸外管を左右に
貫通させてその車軸外管の中央部を取付け、且つ
上面にエンジンを搭載する逆凹形断面の前部フレ
ームと、後部に変速機を取付ける凹形断面の後部
フレームと、前部フレームと後部フレームの間に
位置する箱形断面の中央フレームとで構成し、そ
の前部・後部および中央のフレームの端部相互の
はめ合わせ接合によつて、前・中・後のフレーム
を一体とし、前部フレームに搭載したエンジンと
後部フレームに取付けた変速機を、中央フレーム
の上に位置する第１推進軸で連結し、前部フレー
ム内において車軸外管中央部に設けた伝動装置と
後部フレームに取付けた変速機を、中央フレーム
に収容した第２推進軸で連結したことを特徴とす
る乗用トラクタの車体フレーム。1 The body frame of a passenger tractor equipped with an engine, transmission, and transmission device is passed through the axle outer tube from side to side, and the central part of the axle outer tube is attached, and the front side of the reverse concave cross section on which the engine is mounted on the upper surface. A rear frame with a concave cross section to which the transmission is attached to the rear, and a center frame with a box-shaped cross section located between the front frame and the rear frame. The front, middle, and rear frames are integrated by fitting and connecting their ends, and the engine mounted on the front frame and the transmission mounted on the rear frame are connected to the first propulsion shaft located above the central frame. A vehicle body for a passenger tractor, characterized in that a transmission device provided in the center of an axle outer tube within a front frame and a transmission attached to a rear frame are connected by a second propulsion shaft housed in the center frame. flame.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2699585A JPS61188277A (en) | 1985-02-14 | 1985-02-14 | Car body frame of passenger tractor |
| US06/829,767 US4746145A (en) | 1985-02-14 | 1986-02-14 | Chassis frame for rider-controlled working vehicle |
| CA000501840A CA1279884C (en) | 1985-02-14 | 1986-02-14 | Chassis frame for rider-controlled working vehicle |
| FR8602066A FR2577505A1 (en) | 1985-02-14 | 1986-02-14 | Chassis structure for a work vehicle driven by a driver |
| DE19863604639 DE3604639A1 (en) | 1985-02-14 | 1986-02-14 | CHASSIS FRAME FOR A DRIVER CONTROLLED COMMERCIAL VEHICLE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2699585A JPS61188277A (en) | 1985-02-14 | 1985-02-14 | Car body frame of passenger tractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61188277A JPS61188277A (en) | 1986-08-21 |
| JPH044193B2 true JPH044193B2 (en) | 1992-01-27 |
Family
ID=12208739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2699585A Granted JPS61188277A (en) | 1985-02-14 | 1985-02-14 | Car body frame of passenger tractor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61188277A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU653983B2 (en) | 1991-02-25 | 1994-10-20 | Sumitomo Electric Industries, Ltd. | Junction between wires employing oxide superconductors and joining method therefor |
| US10351184B2 (en) | 2013-09-30 | 2019-07-16 | Yanmar Co., Ltd. | Work vehicle |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS564976B2 (en) * | 1974-11-08 | 1981-02-02 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5275310U (en) * | 1975-12-01 | 1977-06-06 | ||
| JPS564976U (en) * | 1979-06-22 | 1981-01-17 |
-
1985
- 1985-02-14 JP JP2699585A patent/JPS61188277A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS564976B2 (en) * | 1974-11-08 | 1981-02-02 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61188277A (en) | 1986-08-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |