JPH02100404U - - Google Patents
Info
- Publication number
- JPH02100404U JPH02100404U JP792589U JP792589U JPH02100404U JP H02100404 U JPH02100404 U JP H02100404U JP 792589 U JP792589 U JP 792589U JP 792589 U JP792589 U JP 792589U JP H02100404 U JPH02100404 U JP H02100404U
- Authority
- JP
- Japan
- Prior art keywords
- sensing rod
- ball joint
- working machine
- recess
- agricultural tractor
- 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.)
- Granted
Links
- 239000000428 dust Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Lifting Devices For Agricultural Implements (AREA)
Description
第１図乃至第７図は本考案の実施例に係り、第
１図はトラクタの一部破断背面図、第２図は同要
部破断背面図、第３図は同後端側面図、第４図乃
至第６図はそれぞれ相異なつた実施例に係るトラ
クタの要部破断背面図、第７図は第６図のＡ―Ａ
線断面図、第８図は従来例に係るトラクタの要部
破断背面図、第９図は同作用説明図である。
１……車体、５……油圧装置、８……感知棒、
１３……ロアリンク、１４……球継手、１８……
受部、１９……凹部、２０……筒体、２１……規
制面、２２……環状体、２３……抜止具、２６…
…ダストシール。
1 to 7 relate to an embodiment of the present invention, in which FIG. 1 is a partially cutaway rear view of the tractor, FIG. 2 is a broken rear view of the same main part, FIG. 4 to 6 are rear views of main parts of tractors according to different embodiments, and FIG. 7 is a cross-sectional view taken along A-A in FIG.
FIG. 8 is a cross-sectional view of a conventional tractor, and FIG. 9 is a diagram illustrating the same operation. 1... Vehicle body, 5... Hydraulic system, 8... Sensing rod,
13...Lower link, 14...Ball joint, 18...
Receiving portion, 19... recess, 20... cylindrical body, 21... regulating surface, 22... annular body, 23... removal stopper, 26...
...Dust seal.
Claims (1)
クタの車体１に、作業機牽引負荷に応じて撓み変
形する感知棒８が、その左右両端が突出するよう
支持され、この感知棒８の各端突出部に作業機装
着用ロアリンク１３が、球継手１４を介して外嵌
され、前記各球継手１４の左右外側方に位置する
受部１８が車体１側に設けられ、この受部１８に
、感知棒８の球継手１４よりもさらに左右外方に
突出する外端部の挿通用凹部１９が設けられ、こ
の凹部１９の内周に、感知棒８の一定以上の撓み
変形の規制面２１が形成されているものにおいて
、感知棒８の球継手１４よりもさらに左右外方に
突出する外端部に、前記球継手１４が左右外側方
に移動するのを規制する環状体２２が、挿脱自在
に外嵌されると共に、この環状体２２の感知棒８
からの抜止具２３が着脱自在に設けられているこ
とを特徴とする農用トラクタの牽引負荷感知装置
と作業機との連結構造。 (2) 凹部１９に弾性材性筒体２０が内嵌され、
この筒体２０の内周面が規制面２１とされている
ことを特徴とする請求項１記載の農用トラクタの
牽引負荷感知装置と作業機との連結構造。 (3) 凹部１９の左右外側端が閉塞され、球継手
１４と受部１８との対向間位置で、感知棒８に、
凹部１９への左右内側開口からの塵埃侵入規制用
の環状ダストシール２６が外嵌されていることを
特徴とする請求項１記載の農用トラクタの牽引負
荷感知装置と作業機との連結構造。[Scope of Claim for Utility Model Registration] (1) A sensing rod 8 that flexibly deforms according to the traction load of the work equipment is provided on the body 1 of an agricultural tractor equipped with a hydraulic system 5 for lifting and lowering the work equipment, so that both left and right ends of the sensing rod protrude. A lower link 13 for attaching a working machine is externally fitted to the protruding portion at each end of the sensing rod 8 via a ball joint 14, and receiving portions 18 located on the left and right outer sides of the ball joints 14 The receiving part 18 is provided with an insertion recess 19 at the outer end of the sensing rod 8 that protrudes further left and right outward than the ball joint 14 of the sensing rod 8 . The ball joint 14 moves to the left and right to the outer end of the sensing rod 8 that projects further left and right outward than the ball joint 14 of the sensing rod 8. An annular body 22 that regulates the
A connection structure between a traction load sensing device for an agricultural tractor and a working machine, characterized in that a stopper 23 is detachably provided. (2) The elastic cylinder 20 is fitted into the recess 19;
2. The structure for connecting a tractive load sensing device for an agricultural tractor and a working machine according to claim 1, wherein the inner circumferential surface of the cylindrical body 20 is a regulating surface 21. (3) The left and right outer ends of the concave portion 19 are closed, and the sensing rod 8 is placed at a position between the ball joint 14 and the receiving portion 18,
2. The connection structure between a tractive load sensing device for an agricultural tractor and a working machine according to claim 1, wherein an annular dust seal (26) for controlling dust intrusion into the recess (19) from the left and right inner openings is fitted onto the outside of the recess (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989007925U JPH083218Y2 (en) | 1989-01-25 | 1989-01-25 | Connecting structure of traction load sensing device of agricultural tractor and working machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989007925U JPH083218Y2 (en) | 1989-01-25 | 1989-01-25 | Connecting structure of traction load sensing device of agricultural tractor and working machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02100404U true JPH02100404U (en) | 1990-08-09 |
| JPH083218Y2 JPH083218Y2 (en) | 1996-01-31 |
Family
ID=31213358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989007925U Expired - Lifetime JPH083218Y2 (en) | 1989-01-25 | 1989-01-25 | Connecting structure of traction load sensing device of agricultural tractor and working machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH083218Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5731115U (en) * | 1980-07-30 | 1982-02-18 | ||
| JPS5918644A (en) * | 1982-07-22 | 1984-01-31 | Fujitsu Ltd | Liquid phase epitaxial growth apparatus |
-
1989
- 1989-01-25 JP JP1989007925U patent/JPH083218Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5731115U (en) * | 1980-07-30 | 1982-02-18 | ||
| JPS5918644A (en) * | 1982-07-22 | 1984-01-31 | Fujitsu Ltd | Liquid phase epitaxial growth apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH083218Y2 (en) | 1996-01-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |