JPS62138709U - - Google Patents
Info
- Publication number
- JPS62138709U JPS62138709U JP2590386U JP2590386U JPS62138709U JP S62138709 U JPS62138709 U JP S62138709U JP 2590386 U JP2590386 U JP 2590386U JP 2590386 U JP2590386 U JP 2590386U JP S62138709 U JPS62138709 U JP S62138709U
- Authority
- JP
- Japan
- Prior art keywords
- wheel
- lug
- cam
- floating
- sliding portion
- 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
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
- Vibration Prevention Devices (AREA)
Description
図面は本考案の一実施例を示すもので、第１図
は縦断面図、第２図は第１図の―線に沿う矢
視図、第３図は摩擦力調整機構の正面図、第４図
および第５図はそれぞれ制動カムの動作説明図、
第６図は抵抗力と回転周期との関係を示す図表で
ある。
１……橋体、２……橋台、３……支点、４……
ラグ、５……ラツク、７……ピニオン、８……垂
直軸、１４……制動ホイール、１５……摺動部、
１６……遊動ホイール、１７……摺動部、１８…
…摩擦力調整機構、２１……圧縮コイルばね、２
３……カム、２５……転がり接触面、２６……滑
り接触面。
The drawings show one embodiment of the present invention, in which Fig. 1 is a longitudinal sectional view, Fig. 2 is a view taken along the line - in Fig. 1, and Fig. 3 is a front view of the friction force adjustment mechanism. 4 and 5 are explanatory diagrams of the operation of the braking cam, respectively.
FIG. 6 is a chart showing the relationship between resistance force and rotation period. 1... Bridge body, 2... Abutment, 3... Fulcrum, 4...
Lug, 5... Rack, 7... Pinion, 8... Vertical shaft, 14... Braking wheel, 15... Sliding part,
16...Idle wheel, 17...Sliding part, 18...
...Frictional force adjustment mechanism, 21... Compression coil spring, 2
3...Cam, 25...Rolling contact surface, 26...Sliding contact surface.
Claims (1)
移動するラグを設け、該ラグにラツクを設けると
ともに、該ラツクと噛み合うピニオンを備えた垂
直軸を前記ラグの側部に設け、該垂直軸に制動ホ
イールを固設し、該制動ホイールの外周に前記垂
直軸と軸線を同じくする円錘面状の摺動部を設け
、該摺動部と摺動する円錘面状の摺動部を備えた
遊動ホイールを前記制動ホイールと軸線を同じく
して設け、該遊動ホイールの上方に、該遊動ホイ
ールを軸線方向に付勢して前記両摺動面相互間の
摩擦力を増大せしめる摩擦力調整機構を設けてな
り、該摩擦力調整機構は、前記遊動ホイール上を
転動するカムと該カムを前記垂直軸の軸線方向に
付勢する弾性部材とから構成され、前記カムは、
前記遊動ホイールの上面を転がる摩擦面と、前記
遊動ホイールの上面を摺動する摩擦面とを有する
ことを特徴とする橋梁の耐震装置。 A lug is provided at the end of the bridge body that moves horizontally as the bridge body expands and contracts, and a rack is provided on the lug, and a vertical shaft equipped with a pinion that meshes with the rack is provided on the side of the lug, and the vertical A braking wheel is fixedly attached to the shaft, a conical sliding portion having the same axis as the vertical shaft is provided on the outer periphery of the braking wheel, and the conical sliding portion slides with the sliding portion. A floating wheel is provided on the same axis as the braking wheel, and a frictional force is applied above the floating wheel to urge the floating wheel in the axial direction to increase the frictional force between the two sliding surfaces. An adjustment mechanism is provided, and the friction force adjustment mechanism includes a cam that rolls on the idler wheel and an elastic member that biases the cam in the axial direction of the vertical shaft, and the cam includes:
An earthquake-resistant device for a bridge, comprising: a friction surface that rolls on the upper surface of the floating wheel; and a friction surface that slides on the upper surface of the floating wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2590386U JPS62138709U (en) | 1986-02-25 | 1986-02-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2590386U JPS62138709U (en) | 1986-02-25 | 1986-02-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62138709U true JPS62138709U (en) | 1987-09-01 |
Family
ID=30826488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2590386U Pending JPS62138709U (en) | 1986-02-25 | 1986-02-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62138709U (en) |
-
1986
- 1986-02-25 JP JP2590386U patent/JPS62138709U/ja active Pending