JPH02106051U - - Google Patents
Info
- Publication number
- JPH02106051U JPH02106051U JP1440789U JP1440789U JPH02106051U JP H02106051 U JPH02106051 U JP H02106051U JP 1440789 U JP1440789 U JP 1440789U JP 1440789 U JP1440789 U JP 1440789U JP H02106051 U JPH02106051 U JP H02106051U
- Authority
- JP
- Japan
- Prior art keywords
- hand
- lever
- sliding spool
- operated lever
- linking member
- 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
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Operation Control Of Excavators (AREA)
Description
第１図ないし第４図は本考案に係る全旋回型バ
ツクホウの実施例を示し、第１図は要部の平面図
、第２図は要部の側面図、第３図はネジ送り機構
の制御系統図、第４図はバツクホウの全体側面図
である。そして第５図は従来例を示す切欠側面図
である。
２……走行機台、３……旋回台、６……掘削作
業装置、１２，１３，１４……油圧装置、１８…
…操作レバー、１９……摺動スプール、２８，２
９……連係部材、３０……固定部、Ａ……揺動連
係機構、Ｂ……ネジ送り機構、Ｃ……規制機構、
Ｍ３……油圧モータ、Ｖ１……制御バルブ。
Figures 1 to 4 show an embodiment of the fully rotating backhoe according to the present invention. Figure 1 is a plan view of the main part, Figure 2 is a side view of the main part, and Figure 3 is a screw feeding mechanism. The control system diagram, FIG. 4, is an overall side view of the backhoe. FIG. 5 is a cutaway side view showing a conventional example. 2... Traveling machine base, 3... Swivel base, 6... Excavation work equipment, 12, 13, 14... Hydraulic system, 18...
...Operation lever, 19...Sliding spool, 28,2
9... Linking member, 30... Fixed part, A... Rocking linking mechanism, B... Screw feeding mechanism, C... Regulating mechanism,
M3 ...Hydraulic motor, V1 ...Control valve.
Claims (1)
旋回自在な旋回台３を搭載するとともに、この旋
回台３に油圧装置１２，１３，１４により駆動さ
れる掘削作業装置６を装備し、前記油圧モータＭ
３の制御用バルブＶ１における摺動スプール１９
と、人為操作レバー１８とを連動連係させてある
全旋回型バツクホウであつて、前記人為操作レバ
ー１８側の連係部材２８と前記摺動スプール１９
側の連係部材２９とを、固定部３０に枢支した揺
動連係機構Ａを介して連動連係させ、人為操作レ
バー１８の操作量に対する摺動スプール１９の連
動比率を無段階に操作変更自在なネジ送り機構Ｂ
を、前記揺動連係機構Ａに備えるとともに、人為
操作レバー１８の操作許容範囲を一定量に規制す
る操作量規制機構Ｃを設けてある全旋回型バツク
ホウ。 A swivel base 3 is mounted on the traveling machine base 2, and the swivel base 3 is fully rotatable by the drive of a hydraulic motor M3. Motor M
3 control valve V 1 sliding spool 19
It is a full-swivel type backhoe in which a hand-operated lever 18 and a hand-operated lever 18 are interlocked, and a linking member 28 on the hand-operated lever 18 side and a sliding spool 19 are connected to each other.
The side linking member 29 is interlocked via the swing linkage mechanism A pivotally supported on the fixed part 30, and the ratio of the linkage of the sliding spool 19 to the amount of operation of the manual operation lever 18 can be changed steplessly. Screw feed mechanism B
The full swing type backhoe is provided with the above-mentioned swing linkage mechanism A and an operation amount regulating mechanism C that regulates the allowable range of operation of the manual operation lever 18 to a certain amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1440789U JPH02106051U (en) | 1989-02-09 | 1989-02-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1440789U JPH02106051U (en) | 1989-02-09 | 1989-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02106051U true JPH02106051U (en) | 1990-08-23 |
Family
ID=31225578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1440789U Pending JPH02106051U (en) | 1989-02-09 | 1989-02-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02106051U (en) |
-
1989
- 1989-02-09 JP JP1440789U patent/JPH02106051U/ja active Pending