JPH0369053U - - Google Patents
Info
- Publication number
- JPH0369053U JPH0369053U JP13046389U JP13046389U JPH0369053U JP H0369053 U JPH0369053 U JP H0369053U JP 13046389 U JP13046389 U JP 13046389U JP 13046389 U JP13046389 U JP 13046389U JP H0369053 U JPH0369053 U JP H0369053U
- Authority
- JP
- Japan
- Prior art keywords
- pin joint
- roller type
- type bearing
- tapered roller
- prevention device
- 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
- 230000002265 prevention Effects 0.000 claims 4
- 238000007789 sealing Methods 0.000 claims 2
- 239000010687 lubricating oil Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
Landscapes
- Component Parts Of Construction Machinery (AREA)
Description
第１図は本考案のピン継手におけるガタ防止装
置を油圧掘削機の回転フレームにブーム基端部を
枢着するための回動支持部に適用した実施例を示
す図、第２図は一般のテーパローラ型軸受の寿命
とラジアルおよびスラスト方向のガタ（隙間）と
の関係を示す図、第３図は従来の技術を示す図で
ある。
１ａ，１ｂ……支持脚、２……ブーム基端部、
３……軸ピン、３ａ……ねじ部、３ｂ……フラン
ジ部、４……ブツシユ、、５，６……テーパロー
ラ型軸受、５ａ，６ａ……インナレース、５ｂ，
６ｂ……アウタレース、５ｃ，６ｃ……ローラ、
５ｄ，６ｄ……スペーサ、７，８……スペーサ、
９，１０……Ｏリング、１２，１３……カバー、
１６，１７……オイルシール、１８……ナツト、
１９……プレート、２０……ボルト、２１……グ
リース。
Fig. 1 shows an example in which the anti-backlash device for a pin joint of the present invention is applied to a rotation support part for pivotally connecting the base end of a boom to a rotating frame of a hydraulic excavator, and Fig. 2 shows a general A diagram showing the relationship between the life of a tapered roller type bearing and backlash (gap) in the radial and thrust directions, and FIG. 3 is a diagram showing a conventional technique. 1a, 1b...Support legs, 2...Boom base end,
3... Shaft pin, 3a... Threaded portion, 3b... Flange portion, 4... Bush, 5, 6... Taper roller type bearing, 5a, 6a... Inner race, 5b,
6b...outer lace, 5c, 6c...roller,
5d, 6d... Spacer, 7, 8... Spacer,
9, 10... O-ring, 12, 13... Cover,
16, 17...Oil seal, 18...Natsuto,
19...Plate, 20...Bolt, 21...Grease.
Claims (1)
し、これら第１部材の支脚および第２部材に挿通
された軸ピンを前記第１部材の支脚に固定したピ
ン継手において、前記軸ピンにテーパローラ型軸
受を介して前記第２部材を枢支することを特徴と
するピン継手におけるガタ防止装置。 (2) 前記第(1)の請求項において、テーパローラ
型軸受の軸方向外側に密封装置を設け、該密封装
置間に潤滑油を封入したことを特徴とするピン継
手におけるガタ防止装置。 (3) 前記第(1)の請求項において、テーパローラ
型軸受のラジアル方向およびスラスト方向の隙間
をほぼ零としたことを特徴とするピン継手におけ
るガタ防止装置。 (4) 前記第(1)の請求項において、第２部材は軸
ピンに嵌着されたブツシユにテーパローラ型軸受
を介して枢支されていることを特徴とするピン継
手におけるガタ防止装置。[Claims for Utility Model Registration] (1) A second member is arranged between two supporting legs of the first member, and a shaft pin inserted through the supporting legs of the first member and the second member is connected to the supporting legs of the first member. What is claimed is: 1. A backlash prevention device for a pin joint fixed to a pin joint, wherein the second member is pivotally supported on the shaft pin via a tapered roller type bearing. (2) The play prevention device for a pin joint according to claim (1), characterized in that a sealing device is provided on the axially outer side of the tapered roller type bearing, and lubricating oil is sealed between the sealing devices. (3) The rattling prevention device for a pin joint according to claim (1), characterized in that the gap in the radial direction and the thrust direction of the tapered roller type bearing is substantially zero. (4) The rattling prevention device for a pin joint according to claim (1), wherein the second member is pivotally supported by a bush fitted to the shaft pin via a tapered roller type bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13046389U JPH0369053U (en) | 1989-11-08 | 1989-11-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13046389U JPH0369053U (en) | 1989-11-08 | 1989-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0369053U true JPH0369053U (en) | 1991-07-09 |
Family
ID=31678043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13046389U Pending JPH0369053U (en) | 1989-11-08 | 1989-11-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0369053U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008090585A (en) * | 2006-10-02 | 2008-04-17 | Yuusuke Kin | Chain used for theft prevention for automatic vending machine |
-
1989
- 1989-11-08 JP JP13046389U patent/JPH0369053U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008090585A (en) * | 2006-10-02 | 2008-04-17 | Yuusuke Kin | Chain used for theft prevention for automatic vending machine |
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