JPH0193642A - Supporting device for reducing vibration - Google Patents
Supporting device for reducing vibrationInfo
- Publication number
- JPH0193642A JPH0193642A JP62248800A JP24880087A JPH0193642A JP H0193642 A JPH0193642 A JP H0193642A JP 62248800 A JP62248800 A JP 62248800A JP 24880087 A JP24880087 A JP 24880087A JP H0193642 A JPH0193642 A JP H0193642A
- Authority
- JP
- Japan
- Prior art keywords
- center
- elastic member
- center bolt
- pin portion
- vibrating body
- 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
- 239000002184 metal Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 230000002411 adverse Effects 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F3/00—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
- F16F3/08—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber
- F16F3/087—Units comprising several springs made of plastics or the like material
- F16F3/0873—Units comprising several springs made of plastics or the like material of the same material or the material not being specified
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Vibration Prevention Devices (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
この発明は、たとえば建設機械用運転室、エンジンなど
振動体を支持するための支持装置に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a support device for supporting a vibrating body such as a driver's cab for construction machinery or an engine.
従来の技術
第５図は、建設機械用運転室付近の一部断面側面図であ
る０図において、１はフレーム、２は運転室、３は床板
、４は運転席、５は運転席２を床板３に固着しているボ
ルト、６はフレーム１の取付板、７は従来技術の支持装
置である。第６図は第５図のＡ部詳細図である０図にお
いて、８は上部防振部材、９は下部防振部材、１０．１
１は上部および下部のそれぞれカップ形カバー、１２は
カラ、１３はセンターボルト、１４はセンターボルト１
３用ナツトである。Conventional technology FIG. 5 is a partial cross-sectional side view of the vicinity of the driver's cab for construction machinery. In FIG. Bolts are fixed to the floor plate 3, 6 is a mounting plate of the frame 1, and 7 is a support device of the prior art. 6 is a detailed view of part A in FIG. 5. In FIG. 0, 8 is an upper vibration isolating member, 9 is a lower vibration isolating member,
1 is the upper and lower cup-shaped covers, 12 is the collar, 13 is the center bolt, and 14 is the center bolt 1.
It is a nut for 3.
次に、従来技術支持装置７の構成を第５図および第６図
について述べる。中心に貫通穴を有する円筒形の上部防
振部材８と下部防振部材９との間に取付板６を挟持する
ように配置し、上部防振部材８の上面側、および下部防
振部材９の下面側にそれぞれカップ形カバー１０．１１
を装着した。Next, the configuration of the prior art support device 7 will be described with reference to FIGS. 5 and 6. A mounting plate 6 is arranged to be sandwiched between a cylindrical upper vibration isolating member 8 having a through hole in the center and a lower vibration isolating member 9, and the mounting plate 6 is sandwiched between the upper vibration isolating member 8 and the lower vibration isolating member 9. cup-shaped covers 10.11 on the underside of each
I installed it.
そして、上部および下部防振部材８．９とカバー１０．
１１にセンターボルト１３を挿通するとともに、取付板
６と他の板３（床板３のこと）とをセンターボルト１３
を介して連結している。それで、板３は、取付板６に対
して緩衝可能となっている。Then, the upper and lower vibration isolating members 8.9 and the cover 10.
At the same time, insert the center bolt 13 through the center bolt 11 and connect the mounting plate 6 and another plate 3 (floor plate 3) with the center bolt 13.
are connected via. Therefore, the plate 3 can be buffered against the mounting plate 6.
この発明の解決すべき問題点
たとえば建設機械の運転室は、作業時や走行時の振動を
緩衝するために、支持装置を介してフレーム上に取付け
られている。従来技術支持装置内に装備されている防振
部材には、弾性を有するゴム部材などが使用されている
。それで、振動体の緩衝作用に防振部材のばね効果を利
用しているので、振動の減衰がたいへん小さく、発生し
た振動はかなり長く継続していた。特に、上記防振部材
と振動体とが共振状態になると、運転室の場合には乗り
心地が悪くて、不快であった。また上記共振状態によっ
て、関連構造部は悪影響を受けるので、クラック発生な
どの原因となっていた。Problems to be Solved by the Invention For example, the operator's cab of a construction machine is mounted on a frame via a support device in order to dampen vibrations during operation or travel. A rubber member having elasticity or the like is used as a vibration isolating member installed in a conventional support device. Therefore, since the spring effect of the vibration isolating member is used to buffer the vibrating body, the damping of vibrations is very small, and the generated vibrations continue for quite a long time. In particular, when the vibration isolating member and the vibrating body are in a resonant state, the ride quality is poor and uncomfortable in the driver's cab. Further, the above-mentioned resonance state adversely affects related structural parts, causing cracks and the like.
この発明は上記の問題点を解決し、振動体の振動を短時
間に減衰せしめるような支持装置を提供することを目的
とするものである。SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems and provide a support device that can attenuate the vibrations of a vibrating body in a short period of time.
問題点を解決するための手段
前記問題点を解決するために講じたこの発明の手段は、
イ、センターボルト先端側を軸心方向に延長してピン部
を設け、
口、一方、フレーム用取付板の下方に支持金具を設け、
その支持金具に中心貫通穴を有する円錐形弾性部材を着
脱可能に取付け、
ハ、支持装置組付は時に、上記弾性部材の貫通穴にセン
ターボルトの上記ピン部を、弾性部材に対して強制摺動
可能に挿通嵌着せしめて構成した。Means for Solving the Problems The means of the present invention taken to solve the above-mentioned problems are as follows: (a) A pin portion is provided by extending the tip end side of the center bolt in the axial direction; Provide support metal fittings below the board,
A conical elastic member having a center through hole is removably attached to the support fitting, and (c) the support device is sometimes assembled by forcibly sliding the pin portion of the center bolt into the through hole of the elastic member against the elastic member. It is configured so that it can be inserted and fitted in a movable manner.
作 用
イ、振動体、たとえば建設機械の運転室、エンジンなど
は、上下方向に振動する。その場合に、支持装置を取付
けている取付板と他の板（床板のこと）とはセンターボ
ルトを介して連結しているので、センターボルト自体も
上下方向に振動する。Action A. Vibrating bodies, such as the cabs and engines of construction machinery, vibrate in the vertical direction. In this case, since the mounting plate to which the support device is attached and the other plate (floor plate) are connected via the center bolt, the center bolt itself also vibrates in the vertical direction.
口、円錐形弾性部材の取付は状態は、上方側が凹んだ円
錐形状、下方側が突出した円錐形状となっている。そこ
で振動体の上下振動において、振動体が下方へ動くとき
には、センターボルト先端のピン部も円錐形弾性部材中
心貫通穴を、比較的小さい摺動抵抗に抗して、下方へ摺
動する。The opening and the conical elastic member are attached in a conical shape with a concave upper side and a conical shape with a protruding lower side. Therefore, when the vibrating body moves downward during vertical vibration of the vibrating body, the pin portion at the tip of the center bolt also slides downward through the center through hole of the conical elastic member against relatively small sliding resistance.
ところが摺動体が上方に動くときには、センターボルト
先端のピン部は、円錐形弾性部材の中心貫通穴内径面を
まき込むように作用し、円錐形弾性部材の組成自体を圧
縮するようにはたらく。そのために、上記ピン部は中心
貫通穴の大なる摺動抵抗によりセンターボルトを上方に
移動させないように作用する。However, when the sliding body moves upward, the pin portion at the tip of the center bolt acts to wrap around the inner diameter surface of the center through hole of the conical elastic member, and acts to compress the composition of the conical elastic member itself. Therefore, the pin portion acts to prevent the center bolt from moving upward due to the large sliding resistance of the center through hole.
ハ、振動体が上下方向に振動するときには、上記四項の
ように、センターボルトに円錐形弾性部材の差異ある摺
動抵抗力がそれぞれ作用するので、振動体の振動は短時
間に減衰する。C. When the vibrating body vibrates in the vertical direction, the different sliding resistance forces of the conical elastic members act on the center bolts, as described in item 4 above, so the vibration of the vibrating body is attenuated in a short time.
実 施 例
以下、この発明にかかる支持装置を図面に基いて詳細に
説明する。第１図は、この発明にかかる支持装置１５の
要部断面図である０図において、１６は上部防振部材、
１７は下部防振部材、１８１９は上部および下部のそれ
ぞれカップ形カバー、２０はカラ、２１はセンターボル
ト、２２はセンターボルト２１先端のピン部、２３はナ
ツト、２４は弾性部材、２５はフレーム１°用取付板、
２６はフレーム用取付板２５に固着したブラケット２７
は支持金具、２８は支−持金具２７固定用ボルト、２９
は振動体（図示なし）を取付けている板３０はボルトで
ある。なお、ボルト３０は、板２９と上部カップ形カバ
ー１８との当接面間に間隔が生じないように固着してい
るボルトである。第２図は、円錐形弾性部材２４の斜視
図である。円錐形弾性部材２４の材料は弾性を有するゴ
ム部材などで、その形状は上方側が凹んだ円錐形状、下
方側が突出した円錐形状となっている。そして、中心に
垂直方向の貫通穴３１が穿設されている。EXAMPLES Hereinafter, the support device according to the present invention will be explained in detail with reference to the drawings. FIG. 1 is a sectional view of a main part of a support device 15 according to the present invention, in which 16 is an upper vibration isolating member;
17 is a lower vibration isolating member, 1819 is an upper and lower cup-shaped cover, 20 is a collar, 21 is a center bolt, 22 is a pin portion at the tip of the center bolt 21, 23 is a nut, 24 is an elastic member, 25 is a frame 1 Mounting plate for °
26 is a bracket 27 fixed to the frame mounting plate 25
28 is a support metal fitting, 28 is a bolt for fixing the support metal fitting 27, 29
The plate 30 to which the vibrating body (not shown) is attached is a bolt. Note that the bolt 30 is a bolt that is fixed so that there is no gap between the contact surfaces of the plate 29 and the upper cup-shaped cover 18. FIG. 2 is a perspective view of the conical elastic member 24. FIG. The material of the conical elastic member 24 is a rubber member having elasticity, and its shape is a conical shape with a concave upper side and a conical shape with a protruding lower side. A vertical through hole 31 is bored in the center.
次に、この発明にかかる支持装置１５の構成を第１図に
ついて述べる。センターボルト２１先端側を軸心方向に
延長してピン部２２を設け、一方フレーム用取付板２５
の下方にブラケット２６を固着し、そのブラケット２６
に支持金具２７を設けた。そして、その支持金具２７に
円錐形弾性部材２４を、ボルト２８により着脱可能に取
付けたそれから、支持装置組付は時に、上記弾性部材２
４の貫通穴３１にセンターボルト２１のピン部２２を、
弾性部材２４に対して強制摺動可能に挿通嵌着せしめて
構成した。Next, the structure of the support device 15 according to the present invention will be described with reference to FIG. A pin portion 22 is provided by extending the tip end of the center bolt 21 in the axial direction, while a frame mounting plate 25
A bracket 26 is fixed below the bracket 26.
A support fitting 27 was provided. Then, the conical elastic member 24 is removably attached to the support fitting 27 with a bolt 28. Then, the support device is sometimes assembled.
Insert the pin part 22 of the center bolt 21 into the through hole 31 of 4.
The elastic member 24 is configured to be forcedly slidably inserted into the elastic member 24.
次に、この発明にかかる支持装置１５の作用機能につい
て述べる。振動体（図示なし）を取付けている板２９が
上下方向に振動すると、センタ−ボルト２１自体も上下
方向に振動する。板２９が下方へ動くときには、センタ
ーボルト２１先端のピン部２２も、円錐形弾性部材２４
の中心貫通穴３１の比較的小さい摺動抵抗に抗して下方
へ摺動する。ところがセンターボルト２１が上方に動く
ときには、その先端ピン部２２は、円錐形弾性部材２４
の貫通穴３１内径面をまき込むように作用し、円錐形弾
性部材２４の組成自体を圧縮するようにはたらく、その
ために、上記ピン部２２は貫通穴３１の大なる摺動抵抗
力により、センターボルト２１を上方に移動させないよ
うに作用する。Next, the functions of the support device 15 according to the present invention will be described. When the plate 29 to which the vibrating body (not shown) is attached vibrates in the vertical direction, the center bolt 21 itself also vibrates in the vertical direction. When the plate 29 moves downward, the pin portion 22 at the tip of the center bolt 21 also moves against the conical elastic member 24.
slides downward against the relatively small sliding resistance of the central through hole 31. However, when the center bolt 21 moves upward, the tip pin portion 22 of the center bolt 21 moves upward, and the tip pin portion 22 of the center bolt 21 moves upward.
The pin portion 22 acts to wrap around the inner diameter surface of the through hole 31 and compresses the composition itself of the conical elastic member 24. Therefore, due to the large sliding resistance of the through hole 31, the pin portion 22 It acts to prevent the bolt 21 from moving upward.
それにより、振動体が振動を継続するばね効果は阻止さ
れ、振動体の振動は短時間に減衰する。As a result, the spring effect that causes the vibrating body to continue vibrating is prevented, and the vibrations of the vibrating body are attenuated in a short time.
第３図は、振動体の振幅−時間線図である。線区におい
て、点線ａは従来技術支持装置７を取付けた場合、実線
すはこの発明にかかる支持装置１５を取付けた場合であ
る。実線すは点線ａに比較して、振動の振幅λが短時間
ｔにおいて減衰する。FIG. 3 is an amplitude-time diagram of the vibrating body. In the line sections, the dotted line a represents the case where the prior art support device 7 is installed, and the solid line a represents the case where the support device 15 according to the present invention is installed. The solid line s indicates that the vibration amplitude λ is attenuated in a short time t compared to the dotted line a.
第４図は、この発明にかかる他の実施例支持装置３２を
示す要部断面図である。この支持装置３２では、振動体
を取付けている板３３と上部カップ形カバー３４とを固
着させるために、上部カップ形カバー３４の中心穴内径
部にめねじ部イを設け、センターボルト３５の外径ねじ
部に螺着せしめたものである。この支持装置３２の作用
機能は、前記支持装置ｆｆ１１５と同様である。FIG. 4 is a sectional view of a main part of another embodiment of the support device 32 according to the present invention. In this support device 32, in order to fix the plate 33 on which the vibrating body is attached and the upper cup-shaped cover 34, a female threaded portion A is provided in the inner diameter part of the center hole of the upper cup-shaped cover 34, and the outer diameter of the center bolt 35 is fixed. It is screwed onto the diameter threaded portion. The function of this support device 32 is similar to that of the support device ff115.
考案の効果
従来技術支持装置では、振動体の緩衝作用に防振部材の
ばね効果を利用しているので、振動の減衰がたいへん小
さく、発生した振動はかなり長く継続していた。特に、
上記防振部材と振動体とが共振状態になると、運転室の
場合には乗り心地が悪くて、不快であった。また上記共
振状態によって、関連構造部は悪影響を受けるので、ク
ラック発生などの原因となっ′ていた。Effects of the invention In the prior art support device, since the spring effect of the vibration isolating member is used to buffer the vibrating body, the attenuation of vibration is very small, and the generated vibration continues for a considerable period of time. especially,
When the vibration isolating member and the vibrating body are in a resonant state, the ride quality is poor and uncomfortable in the driver's cab. Further, the above-mentioned resonance state adversely affects related structural parts, causing cracks and the like.
しかし、この発明にかかる支持装置では、センターボル
ト先端にピン部を設け、一方、フレーム側に固定した支
持金具に、中心貫通穴を有する円錐形弾性部材を着脱可
能に取付けた。そして、円錐形弾性部材の貫通穴にセン
ターボルトの上記ピン部を、弾性部材に対して強制摺動
可能に挿通嵌着した。そのために、振動体が振動すると
きに、円錐形弾性部材はセンターボルトの振動継続を阻
止するようなダンパ効果を発揮する。したがって、この
発明にかかる支持装置は、振動体の振動を短時間に減衰
低減せしめ、人体や関連構造部に対する悪影響を防止す
ることができる。However, in the support device according to the present invention, a pin portion is provided at the tip of the center bolt, and a conical elastic member having a center through hole is removably attached to a support fitting fixed to the frame side. Then, the pin portion of the center bolt was inserted and fitted into the through hole of the conical elastic member so that it could forcibly slide relative to the elastic member. Therefore, when the vibrating body vibrates, the conical elastic member exhibits a damper effect that prevents the center bolt from continuing to vibrate. Therefore, the support device according to the present invention can attenuate and reduce the vibration of the vibrating body in a short time, and can prevent adverse effects on the human body and related structures.
第１図はこの発明にかかる支持装置の要部断面図、第２
図は円錐形弾性部材の斜視図、第３図は振動体の振幅−
時間線図、第４図はこの発明にかかる他の実施例支持装
置を示す要部断面図、第５図は建設機械用運転室付近の
一部断面側面図、第６図は第５図のＡ部詳細図である。
３．２９．３３−一板
６ 、２５ −−−−＝−一 取付板
７．１５．３２ −−−−−一 支持装置８．１６．３
４ −＝−−一 上部防振部材９．１７−−−□−下部
防振部材
１０．１８−−−＝−上部カップ形カバー１１ 、１９
−−−−−一下部カツブ形カバー１３．２１，３５．
−＝−センターボルト２２ −−−一−−−−−ピン部
２４ −＝＝−−−−−−＝−一 円錐形弾性部材２７
−−−−−支持金具
以 上FIG. 1 is a cross-sectional view of the main part of the support device according to the present invention, and FIG.
The figure is a perspective view of the conical elastic member, and Figure 3 is the amplitude of the vibrating body.
4 is a sectional view of essential parts showing another embodiment of the support device according to the present invention, FIG. 5 is a partially sectional side view of the vicinity of the operator's cab for construction machinery, and FIG. It is a detailed view of part A. 3.29.33-One plate 6, 25 ----=-1 Mounting plate 7.15.32 -----1 Support device 8.16.3
4 -=--1 Upper vibration-proofing member 9.17--Lower vibration-proofing member 10.18--Upper cup-shaped cover 11, 19
------ Lower cut-shaped cover 13.21, 35.
−=−Center bolt 22 −−−1−−−−−Pin portion 24 −==−−−−−−=−1 Conical elastic member 27
--------More than support bracket
Claims (1)
部材との間にフレーム用取付板を挟持するように配設し
、上記上部防振部材の上面側および下部防振部材の下面
側にそれぞれカップ形カバーを装着し、上記上部および
下部防振部材とカバーにセンターボルトを挿通するとと
もに、上記取付板と他の板とをセンターボルトを介して
連結した支持装置において、上記センターボルト先端側
を軸心方向に延長してピン部を設け、一方、フレーム用
取付板の下方に支持金具を設け、その支持金具に中心貫
通穴を有する円錐形弾性部材を着脱可能に取付け、支持
装置組付け時に、上記弾性部材の貫通穴にセンターボル
トの上記ピン部を、弾性部材に対して強制摺動可能に挿
通嵌着せしめて構成したことを特徴とする振動低減用支
持装置。A frame mounting plate is arranged to be sandwiched between a cylindrical upper vibration isolating member having a through hole in the center and a lower vibration isolating member, and the upper surface side of the upper vibration isolating member and the lower surface of the lower vibration isolating member. In a support device in which a cup-shaped cover is attached to each side, a center bolt is inserted through the upper and lower vibration isolating members and the cover, and the mounting plate and another plate are connected via the center bolt, the center bolt A pin part is provided by extending the tip side in the axial direction, and a support fitting is provided below the frame mounting plate, and a conical elastic member having a center through hole is removably attached to the support fitting, and a support device is provided. A support device for vibration reduction, characterized in that, when assembled, the pin portion of the center bolt is inserted into the through hole of the elastic member so as to be forcibly slidable relative to the elastic member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62248800A JP2525209B2 (en) | 1987-09-30 | 1987-09-30 | Support device for vibration reduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62248800A JP2525209B2 (en) | 1987-09-30 | 1987-09-30 | Support device for vibration reduction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0193642A true JPH0193642A (en) | 1989-04-12 |
| JP2525209B2 JP2525209B2 (en) | 1996-08-14 |
Family
ID=17183587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62248800A Expired - Fee Related JP2525209B2 (en) | 1987-09-30 | 1987-09-30 | Support device for vibration reduction |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2525209B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05272590A (en) * | 1992-03-23 | 1993-10-19 | Suzuki Motor Corp | Vibration damping structure for body frame |
| US5507061A (en) * | 1989-04-05 | 1996-04-16 | Nobuyoshi Kumaki | Rotary brush floor polisher |
| WO2013073301A1 (en) | 2011-11-14 | 2013-05-23 | コニカミノルタ株式会社 | Organic electroluminescence element and planar light-emitting body |
| RU2583242C2 (en) * | 2014-08-19 | 2016-05-10 | Открытое акционерное общество "СТАР" | Shock absorber |
| EP3392520A1 (en) * | 2017-04-14 | 2018-10-24 | The Boeing Company | Vibration damping link and method therefore |
-
1987
- 1987-09-30 JP JP62248800A patent/JP2525209B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5507061A (en) * | 1989-04-05 | 1996-04-16 | Nobuyoshi Kumaki | Rotary brush floor polisher |
| JPH05272590A (en) * | 1992-03-23 | 1993-10-19 | Suzuki Motor Corp | Vibration damping structure for body frame |
| WO2013073301A1 (en) | 2011-11-14 | 2013-05-23 | コニカミノルタ株式会社 | Organic electroluminescence element and planar light-emitting body |
| RU2583242C2 (en) * | 2014-08-19 | 2016-05-10 | Открытое акционерное общество "СТАР" | Shock absorber |
| EP3392520A1 (en) * | 2017-04-14 | 2018-10-24 | The Boeing Company | Vibration damping link and method therefore |
| CN108730391A (en) * | 2017-04-14 | 2018-11-02 | 波音公司 | Vibration-reducing connector and its method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2525209B2 (en) | 1996-08-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |