JPH02109857U - - Google Patents
Info
- Publication number
- JPH02109857U JPH02109857U JP1788489U JP1788489U JPH02109857U JP H02109857 U JPH02109857 U JP H02109857U JP 1788489 U JP1788489 U JP 1788489U JP 1788489 U JP1788489 U JP 1788489U JP H02109857 U JPH02109857 U JP H02109857U
- Authority
- JP
- Japan
- Prior art keywords
- swivel base
- lock pin
- backhoe
- protrusion
- upper plate
- 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
Landscapes
- Jib Cranes (AREA)
- Forklifts And Lifting Vehicles (AREA)
Description
第１図は本考案実施例の詳細図、第２図はバツ
クホーの全体図、第３図は従来の旋回基台の詳細
図、第４図は従来のロツクピン係合部の詳細図で
ある。
１……旋回基台、４……上側板、７……突部、
８……係合孔、５４……旋回台、５２……ロツク
ピン。
FIG. 1 is a detailed view of an embodiment of the present invention, FIG. 2 is an overall view of a backhoe, FIG. 3 is a detailed view of a conventional rotating base, and FIG. 4 is a detailed view of a conventional lock pin engaging portion. 1...Swivel base, 4...Upper side plate, 7...Protrusion,
8...Engagement hole, 54...Swivel base, 52...Lock pin.
Claims (1)
回基台１上に、中心Ｐまわりで回動自在な旋回台
５４を載設したバツクホーにおいて、前記旋回台
１の上側板開口５の内周で、その円周方向適宜箇
所に前記上側板と一体で前記中心方向に延設する
突部７を設けると共に、該突部上で前記旋回台５
４から垂下したロツクピンと対向する位置に該ロ
ツクピン挿通用の係合孔８を設けたことを特徴と
するバツクホーの旋回ロツク装置。 In a backhoe in which a swivel base 54 that is rotatable around the center P is mounted on a swivel base 1 installed between a pair of left and right running frames 2 and 3, the inner periphery of the upper plate opening 5 of the swivel base 1 , a protrusion 7 is provided integrally with the upper plate and extends toward the center at an appropriate location in the circumferential direction, and the swivel base 5 is mounted on the protrusion.
4. A swing lock device for a backhoe, characterized in that an engagement hole 8 for inserting the lock pin is provided at a position facing the lock pin hanging down from the lock pin 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1788489U JPH02109857U (en) | 1989-02-20 | 1989-02-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1788489U JPH02109857U (en) | 1989-02-20 | 1989-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02109857U true JPH02109857U (en) | 1990-09-03 |
Family
ID=31232052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1788489U Pending JPH02109857U (en) | 1989-02-20 | 1989-02-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02109857U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010229741A (en) * | 2009-03-27 | 2010-10-14 | Komatsu Ltd | Lock device for upper turning body |
-
1989
- 1989-02-20 JP JP1788489U patent/JPH02109857U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010229741A (en) * | 2009-03-27 | 2010-10-14 | Komatsu Ltd | Lock device for upper turning body |