JPH08333701A - Vibration damping pad for track and manufacture thereof - Google Patents
Vibration damping pad for track and manufacture thereofInfo
- Publication number
- JPH08333701A JPH08333701A JP16451095A JP16451095A JPH08333701A JP H08333701 A JPH08333701 A JP H08333701A JP 16451095 A JP16451095 A JP 16451095A JP 16451095 A JP16451095 A JP 16451095A JP H08333701 A JPH08333701 A JP H08333701A
- Authority
- JP
- Japan
- Prior art keywords
- rubber
- damping pad
- elastic rubber
- elastic
- vibration damping
- 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
Landscapes
- Railway Tracks (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、鉄道軌条締結部に効果
的な弾性を付与する軌道用制振パッド及び、その製造方
法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a railroad damping pad for effectively imparting elasticity to a railroad rail fastening portion, and a method for manufacturing the same.
【０００２】[0002]
【従来の技術】従来、鉄道軌条用まくらぎの支承装置と
しては、特公昭５２−３２４８７号公報に示されたもの
が知られている。2. Description of the Related Art Conventionally, as a support device for sleepers for railroad tracks, the one disclosed in Japanese Patent Publication No. 52-32487 is known.
【０００３】[0003]
【発明が解決しようとする課題】前記従来技術の場合
は、単にコンクリートまくらぎに、一体型のゴム製の弾
性カバーをかぶせて、これをコンクリート道床に埋込ん
でいるだけであるので、前記ゴム製の弾性カバーに、コ
ンクリートまくらぎにとって最も理想的な振動吸収機能
を付与させることが困難であり、改良の余地が残されて
いた。In the case of the above-mentioned prior art, since the concrete sleeper is simply covered with the elastic cover made of rubber, which is embedded in the concrete roadbed, It was difficult to give the most suitable vibration absorbing function for concrete sleepers to the elastic cover made of steel, and there was room for improvement.
【０００４】本発明は前記の問題点を解決した軌道用制
振パッド及び、その製造方法の提供を目的とするもので
ある。An object of the present invention is to provide a vibration damping pad for a track which solves the above problems and a method for manufacturing the same.
【０００５】[0005]
【課題を解決するための手段】前記の目的を達成するた
め本発明の軌道用制振パッドにおいては、所定の厚みＬ
を有する制振パッド１を、反撥弾性の低い高減衰ゴムＡ
と、高減衰ゴムよりも反撥弾性の高い第１弾性ゴムＢ及
び、第２弾性ゴムＣとから構成し、前記高減衰ゴムＡは
厚肉部２と、この厚肉部２の端縁より突出した薄肉突出
部３を有していると共に、前記第２弾性ゴムＣは、前記
厚肉部２の中間部から、制振パッド１の側面に伸びて配
置され、さらに前記第１弾性ゴムＢを前記薄肉突出部３
の両面に貼着することで、前記第１弾性ゴムＢが前記高
減衰ゴムＡの厚肉部２の周縁部を取囲んで配置され、か
つ前記第２弾性ゴムＣを貫通して制振パッド１の側面に
伸びる横孔９が互いに平行に形成されている構成を特徴
とする。前記高減衰ゴムＡの厚肉部２の平面形状は小判
型又は四角形とするのがよい。また、前記高減衰ゴムＡ
の薄肉突出部３の外端縁３ａを外部に露出させ、又はこ
の外端縁３ａを前記第１弾性ゴムＢによって被覆すると
よい。また、本発明の軌道用制振パッドの製造方法は、
互いに平行な複数の横孔９を有する第２弾性ゴムＣを半
加硫成型し、次に第２弾性ゴムＣの両側面に配設され、
厚肉部２と、この厚肉部２の端縁より突出した薄肉突出
部３を有し、前記第２弾性ゴムＣよりも反撥弾性の低い
高減衰ゴムＡと前記薄肉突出部３を挾み、かつ前記高減
衰ゴムＡの厚肉部２の周縁部を取囲み、前記高減衰ゴム
Ａよりも反撥弾性の高い第１弾性ゴムＢとを成形型内に
配置し、加硫成型して、高減衰ゴムＡと第１，第２弾性
ゴム弾性ゴムＢ，Ｃを一体化することを特徴とする。ま
た、本発明の軌道用制振パッドは所定の厚みＬを有する
制振パッド１を反撥弾性の低い高減衰ゴムＡと、高減衰
ゴムＡの中間に配置され、前記高減衰ゴムＡよりも反撥
弾性の高い第２弾性ゴムＣとから構成し、前記第２弾性
ゴムＣを貫通して制振パッド１の側面に伸びる複数の横
孔９が互いに平行に形成されている構成を特徴とする。
また、前記制振パッド１の上下両面又は一面に、前記横
孔９と直角方向に複数の溝４を互いに平行に形成すると
よい。In order to achieve the above-mentioned object, the vibration damping pad for a track according to the present invention has a predetermined thickness L.
The damping pad 1 having a high damping rubber A with low impact resilience
And a first elastic rubber B and a second elastic rubber C having higher repulsion elasticity than the high damping rubber, the high damping rubber A protruding from the thick portion 2 and the edge of the thick portion 2. The second elastic rubber C is disposed so as to extend from the middle portion of the thick portion 2 to the side surface of the vibration damping pad 1, and further includes the first elastic rubber B. The thin protrusion 3
The first elastic rubber B is arranged so as to surround the peripheral portion of the thick portion 2 of the high damping rubber A, and penetrates through the second elastic rubber C so that the vibration damping pad is attached. 1 is characterized in that the lateral holes 9 extending to the side surface are parallel to each other. The plane shape of the thick portion 2 of the high damping rubber A is preferably oval or quadrangular. Also, the high damping rubber A
The outer edge 3a of the thin protrusion 3 may be exposed to the outside, or the outer edge 3a may be covered with the first elastic rubber B. Further, the manufacturing method of the vibration damping pad for a track of the present invention,
A second elastic rubber C having a plurality of lateral holes 9 parallel to each other is semi-vulcanized and molded, and then disposed on both side surfaces of the second elastic rubber C.
The thick-walled portion 2 and the thin-walled protruding portion 3 protruding from the edge of the thick-walled portion 2 are sandwiched between the high-damping rubber A having a lower impact resilience than the second elastic rubber C and the thin-walled protruding portion 3. And surrounding the peripheral portion of the thick portion 2 of the high damping rubber A, and arranging a first elastic rubber B having a higher repulsion elasticity than the high damping rubber A in a molding die and vulcanizing and molding, The high damping rubber A and the first and second elastic rubbers B and C are integrated. Further, in the orbital damping pad of the present invention, the damping pad 1 having a predetermined thickness L is arranged between the high damping rubber A having a low repulsive elasticity and the high damping rubber A, and is more repulsive than the high damping rubber A. The second elastic rubber C has a high elasticity, and a plurality of lateral holes 9 penetrating the second elastic rubber C and extending to the side surface of the vibration damping pad 1 are formed in parallel with each other.
Further, a plurality of grooves 4 may be formed in parallel with each other on the upper and lower surfaces or one surface of the vibration damping pad 1 in a direction perpendicular to the lateral holes 9.
【０００６】[0006]
【作用】本発明によると、軌条２３及びまくらぎ２２の
振動を、複数の横孔９を有する第２弾性ゴムＣを中間に
挾んで設けられる振動反撥弾性の低い高減衰ゴムＡで受
けるので、制振パッド１の振動吸収機能が大幅に向上す
る。しかも、前記高減衰ゴムＡの厚肉部２の端縁を取囲
んで第１弾性ゴムＢを設ける構成においては、高減衰ゴ
ムＡの厚肉部２の圧縮変形は、第１弾性ゴムＢによって
適正な範囲に規制される。According to the present invention, the vibration of the rail 23 and the sleeper 22 is received by the high damping rubber A having a low vibration repulsive elasticity provided by sandwiching the second elastic rubber C having the plurality of lateral holes 9 in between. The vibration absorbing function of the vibration damping pad 1 is significantly improved. Moreover, in the configuration in which the first elastic rubber B is provided so as to surround the edge of the thick portion 2 of the high damping rubber A, the compressive deformation of the thick portion 2 of the high damping rubber A is caused by the first elastic rubber B. It is regulated within an appropriate range.
【０００７】[0007]
【実施例】以下本発明の実施例を図を参照して説明す
る。図１は第１実施例に係る軌道用制振パッドの平面
図、図２は図１のイ−イ線に沿う断面図、図３は図１の
ローロ線に沿う断面図である。各図において、制振パッ
ド１は所定の厚みを有し、上下面が平で、かつ四角形状
に構成されている。この制振パッド１は従来の単一普通
ゴムによる一体成形ではなく、反撥弾性の低い高減衰ゴ
ムＡと従来使用のゴム（従来の防振パッドや軌道パッド
に使用され、前記反撥弾性の低い高減衰ゴムＡよりも反
撥弾性の大きいゴムで、以下これを第１弾性ゴムＢ及び
第２弾性ゴムＣという）とから構成されている。すなわ
ち、制振パッド１は所定の厚みを有する板状体であっ
て、その厚み方向の中間部に、互いに平行な複数の横孔
９を有する第２弾性ゴムＣが配置されており、この第２
弾性ゴムＣの上下両面に位置して高減衰ゴムＡが配設さ
れている。高減衰ゴムＡは、その厚肉部２が平面からみ
て略四角形状であって、厚肉部２の周縁中間部から突出
して薄肉突出部３が設けられており、この薄肉突出部３
の外端縁３ａが制振パッド１の外形をなすよう平面から
みて四角形状に構成されている。Embodiments of the present invention will now be described with reference to the drawings. 1 is a plan view of a vibration damping pad for a track according to a first embodiment, FIG. 2 is a sectional view taken along the line EE of FIG. 1, and FIG. 3 is a sectional view taken along the line Loro of FIG. In each figure, the vibration damping pad 1 has a predetermined thickness, is flat in the upper and lower surfaces, and is formed in a quadrangular shape. The vibration damping pad 1 is not formed integrally with a conventional single ordinary rubber, but is a high-damping rubber A having a low impact resilience and a conventionally used rubber (used for a conventional antivibration pad or a track pad. The damping rubber A has a greater impact resilience and is hereinafter referred to as a first elastic rubber B and a second elastic rubber C). That is, the vibration damping pad 1 is a plate-shaped body having a predetermined thickness, and the second elastic rubber C having a plurality of lateral holes 9 parallel to each other is arranged in the middle portion in the thickness direction thereof. Two
High damping rubbers A are disposed on both upper and lower surfaces of the elastic rubber C. The high-damping rubber A has a thick-walled portion 2 that is substantially quadrangular when viewed from a plane, and is provided with a thin-walled protruding portion 3 that projects from a peripheral edge intermediate portion of the thick-walled portion 2.
The outer edge 3a of the above is formed in a quadrangular shape as seen from a plane so as to form the outer shape of the vibration damping pad 1.
【０００８】第１弾性ゴムＢは、前記高減衰ゴムＡの薄
肉突出部３の両面に積層し、かつ薄肉突出部３の外端縁
３ａと第１弾性ゴムＢの外端縁５と第２弾性ゴムＣの外
端縁１０を揃えて設けられており、また、第１弾性ゴム
Ｂの表面と高減衰ゴムＡの厚肉部２の表面とは同一平面
となるように設けられている。したがって、第１実施例
の制振パッド１は平面的にみて高減衰ゴムＡの小判形の
厚肉部２の周縁部を第１弾性ゴムＢが取囲んで構成され
ている。したがって制振パッド１の厚みＬ、薄肉突出部
３の厚みＬ1 、上下の第１弾性ゴムＢの厚みＬ2 ，Ｌ3
の寸法関係は、Ｌ＝Ｌ1 ＋Ｌ2 ＋Ｌ3 となる。また、前
記反撥係数の低い高減衰ゴムＡには、ＣＲ，ＩＩＲ（ブ
チルゴム）或いは天然ゴムの加硫のものが使用される。The first elastic rubber B is laminated on both surfaces of the thin protruding portion 3 of the high damping rubber A, and the outer end edge 3a of the thin protruding portion 3 and the outer end edge 5 of the first elastic rubber B and the second end. The outer edges 10 of the elastic rubber C are provided so as to be aligned with each other, and the surface of the first elastic rubber B and the surface of the thick portion 2 of the high damping rubber A are provided in the same plane. Therefore, the vibration damping pad 1 of the first embodiment is configured such that the first elastic rubber B surrounds the peripheral portion of the oval thick portion 2 of the high damping rubber A in plan view. Thus the thickness L of the damping pad 1, the thickness L 1 of the thin projecting portion 3, the thickness of the upper and lower first elastic rubber B L 2, L 3
The dimensional relationship of is L = L 1 + L 2 + L 3 . As the high damping rubber A having a low coefficient of repulsion, vulcanized rubber of CR, IIR (butyl rubber) or natural rubber is used.
【０００９】第１実施例に係る制振パッド１は前記の構
成からなり、これによると、上下方向から加わる振動に
対して反撥係数の低い高減衰ゴムＡと、高減衰ゴムＡよ
り反撥係数の高い第１弾性ゴムＢ及び、高減衰ゴムＡの
中間に介在すると共に横孔９を有する第２弾性ゴムＣで
受けるので、単一ゴム層からなる従来の制振パッドに比
べて、より効率的に振動を吸収でき、その防振効果がき
わめてすぐれている。しかも振動を受けることで圧縮変
形が過度に生じやすい高減衰ゴムＡの厚肉部２の横方向
への拡がりは、第１弾性ゴムＢによって適正な範囲に規
制されるという利点がある。The vibration-damping pad 1 according to the first embodiment has the above-mentioned structure. According to this structure, the high-damping rubber A has a low repulsion coefficient against the vibration applied in the vertical direction and the repulsion coefficient is higher than that of the high-damping rubber A. Since it is received by the second elastic rubber C having the lateral hole 9 while being interposed between the high first elastic rubber B and the high damping rubber A, it is more efficient than the conventional damping pad composed of a single rubber layer. It can absorb vibrations, and its vibration damping effect is extremely excellent. Moreover, there is an advantage that the lateral expansion of the thick portion 2 of the high damping rubber A, which is likely to be excessively compressed and deformed due to the vibration, is restricted to an appropriate range by the first elastic rubber B.
【００１０】次に、前記高減衰ゴムＡ、第１，第２弾性
ゴムＢ，Ｃからなる制振パッド１を加硫成型する第１の
方法について説明する。まず、成形型（図示せず）内に
おいて横孔９を有する第２弾性ゴムＣを半加硫成型し、
次に第２弾性ゴムＣの両面に配置される高減衰ゴムＡの
材料とこの高減衰ゴムＡの薄肉突出部３の上下面に積層
される第１弾性ゴムＢの材料である生ゴムを成形型内に
配置し、これらを加硫成型することにより、高減衰ゴム
Ａと第１，第２弾性ゴムＢ，Ｃとが一体化されて、図
２、図３に示される断面構造の制振パッド１が製造され
る。Next, a first method for vulcanizing and molding the vibration damping pad 1 composed of the high damping rubber A and the first and second elastic rubbers B and C will be described. First, the second elastic rubber C having the lateral holes 9 is semi-vulcanized and molded in a molding die (not shown),
Next, the material of the high-damping rubber A disposed on both sides of the second elastic rubber C and the raw rubber which is the material of the first elastic rubber B laminated on the upper and lower surfaces of the thin-walled protrusion 3 of the high-damping rubber A are molded. The high damping rubber A and the first and second elastic rubbers B and C are integrated by arranging them inside and vulcanizing and molding them, and the vibration damping pad having the sectional structure shown in FIGS. 2 and 3. 1 is manufactured.
【００１１】第２の加硫成型方法は、成形型（図示せ
ず）内において横孔９を有する第２弾性ゴムＣと第２弾
性ゴムＣの両面に配置される高減衰ゴムＡとその薄肉突
出部３の上下面に積層される第１弾性ゴムＢを加硫成型
し、一体化する方法である。この第２の方法であると、
コスト的に経済的であると共に、高減衰ゴムＡにはその
本来の無反撥機能を十分に付与させることができる。In the second vulcanization molding method, a second elastic rubber C having lateral holes 9 in a molding die (not shown) and a high damping rubber A arranged on both sides of the second elastic rubber C and its thin wall are provided. This is a method in which the first elastic rubber B laminated on the upper and lower surfaces of the protruding portion 3 is vulcanized and molded to be integrated. With this second method,
In addition to being economical in terms of cost, the high damping rubber A can be sufficiently provided with its original non-repellent function.
【００１２】次に、図４〜図６には第２実施例に係る制
振パッド１ａが示されている。この制振パッド１ａでは
高減衰ゴムＡの厚肉部２の平面形状が略小判形状に形成
されている点が第１実施例と異なり、その他の構造及
び、機能と製造方法は第１実施例と同じである。Next, FIGS. 4 to 6 show a damping pad 1a according to a second embodiment. This damping pad 1a is different from the first embodiment in that the plane shape of the thick portion 2 of the high damping rubber A is formed into a substantially oval shape, and other structures, functions and manufacturing methods are the same as those of the first embodiment. Is the same as.
【００１３】図７〜図９には第３実施例に係る制振パッ
ド１ｂが示されている。この制振パッド１ｂでは、第
１，第２実施例における第１弾性ゴムＢの部分を含めて
制振パッド１ｂの外面全体が高減衰ゴムＡで形成されて
いる点が前記第１，第２実施例と相異し、高減衰ゴムＡ
の中間に横孔９を有する第２弾性ゴムＣが介設される点
は第１，第２引用例と同じである。7 to 9 show a vibration damping pad 1b according to the third embodiment. In this damping pad 1b, the entire outer surface of the damping pad 1b including the portion of the first elastic rubber B in the first and second embodiments is formed of the high damping rubber A. High damping rubber A, different from the examples
The second elastic rubber C having the lateral hole 9 in the middle is the same as in the first and second reference examples.
【００１４】この第３実施例の制振パッド１ｂによる
と、高減衰ゴムＡと、横孔９を有する第２弾性ゴムＣと
の相乗作用で反撥弾性が第１，第２実施例よりもさらに
低く、振動吸収機能がすぐれた制振パッドが得られる。According to the vibration damping pad 1b of the third embodiment, the impact resilience is further increased by the synergistic action of the high damping rubber A and the second elastic rubber C having the lateral holes 9. A low vibration damping pad with excellent vibration absorption function can be obtained.
【００１５】図１０〜図１２には第４実施例に係る制振
パッド１ｃが示されており、図１３〜図１５には第５実
施例に係る制振パッド１ｄが示されており、図１６〜図
１８には第６実施例に係る制振パッド１ｅが示されてい
る。FIGS. 10 to 12 show a damping pad 1c according to the fourth embodiment, and FIGS. 13 to 15 show a damping pad 1d according to the fifth embodiment. 16 to 18 show a vibration damping pad 1e according to the sixth embodiment.
【００１６】図１０〜図１２の第４実施例に係る制振パ
ッド１ｃは、第１実施例の制振パッド１をさらに改良し
たもので、この制振パッド１ｃの上下両面７，８に、か
つ第２弾性ゴムＣに形成される横孔９と直角の方向に互
いに平行に複数本の溝４が形成されている。この溝４は
前記各横孔９の間に位置する部分が深くなっている。ま
たこの溝４は制振パッド１ｃをゴム金型により加硫成型
するときに一体成形するとよいものである。A vibration damping pad 1c according to a fourth embodiment of FIGS. 10 to 12 is a modification of the vibration damping pad 1 of the first embodiment. The vibration damping pad 1c has upper and lower surfaces 7 and 8 respectively. Moreover, a plurality of grooves 4 are formed in parallel to each other in a direction perpendicular to the lateral holes 9 formed in the second elastic rubber C. The groove 4 has a deep portion located between the lateral holes 9. The groove 4 is preferably integrally formed when the vibration damping pad 1c is vulcanized and molded by a rubber mold.
【００１７】前記溝４が形成されていることにより、上
下面７，８が平らな第１〜第３実施例に係る制振パッド
１，１ａ，１ｂに比べて上下方向の圧縮変形が大きく、
振動吸収機能を一層発揮させることができる。Since the groove 4 is formed, the vertical compressive deformation is larger than that of the vibration damping pads 1, 1a, 1b according to the first to third embodiments in which the upper and lower surfaces 7, 8 are flat.
The vibration absorbing function can be further exerted.
【００１８】図１３〜図１５の第５実施例に係る制振パ
ッド１ｄは、第２実施例の制振パッド１ａを改良したも
ので、第４実施例の場合と同様に制振パッド１ｄの第２
弾性ゴムＣに形成される横孔９と直角方向に互いに平行
に複数本の溝４が形成されている。The vibration damping pad 1d according to the fifth embodiment shown in FIGS. 13 to 15 is an improvement of the vibration damping pad 1a according to the second embodiment. The vibration damping pad 1d of the fourth embodiment is the same as that of the fourth embodiment. Second
A plurality of grooves 4 are formed parallel to each other in the direction perpendicular to the lateral holes 9 formed in the elastic rubber C.
【００１９】また第１、第２、第４実施例の制振パッド
１，１ａ，１ｃは、あたかも高減衰ゴムＡの薄肉突出部
３の上下面に第１弾性ゴムＢを積層したごとく構成され
ていて、薄肉突出部３の外端縁３ａは制振パッド１，１
ａ，１ｃの外端縁に露出しているのに対し、第５実施例
の制振パッド１ｄでは、第１弾性ゴムＢの断面形状が略
コ字状であって、その垂直部６の内側に薄肉突出部３の
外端縁３ａが位置していて、あたかもこの薄肉突出部３
が第１弾性ゴムＢに埋設されているごとく構成されてお
り、この点が第１，第２，第４実施例の制振パッド１，
１ａ，１ｃと相異している。The damping pads 1, 1a and 1c of the first, second and fourth embodiments are constructed as if the first elastic rubber B was laminated on the upper and lower surfaces of the thin projection 3 of the high damping rubber A. And the outer edge 3a of the thin-walled protruding portion 3 has damping pads 1, 1
While exposed at the outer edges of a and 1c, in the vibration damping pad 1d of the fifth embodiment, the first elastic rubber B has a substantially U-shaped cross section, and the inside of the vertical portion 6 thereof is The outer edge 3a of the thin protrusion 3 is located in the
Is embedded in the first elastic rubber B, and this is the point that the damping pads 1 of the first, second and fourth embodiments are arranged.
It is different from 1a and 1c.
【００２０】第５実施例の制振パッド１ｄによると、溝
４の存在により第４実施例と同様に上下方向の圧縮変形
をより大きくとり、制振パッドの振動吸収機能を一層向
上させることができる。さらに、第５実施例の制振パッ
ド１ｄにおいては、高減衰ゴムＡの薄肉突出部３が第１
弾性ゴムＢで被覆されていることにより、第１，第２，
第４実施例の制振パッド１，１ａ，１ｃに比べて、厚肉
部２に上下方向から圧力が加わったとき薄肉突出部３が
制振パッド１ｄの端縁から外方に突出するのがより確実
に規制されるという利点がある。According to the vibration damping pad 1d of the fifth embodiment, by virtue of the presence of the groove 4, the vertical compressive deformation can be made larger as in the fourth embodiment, and the vibration absorbing function of the vibration damping pad can be further improved. it can. Further, in the vibration damping pad 1d of the fifth embodiment, the thin protrusion 3 of the high damping rubber A is the first
By being covered with the elastic rubber B, the first, second and
Compared with the vibration damping pads 1, 1a, 1c of the fourth embodiment, when a pressure is applied to the thick wall portion 2 from above and below, the thin wall protruding portion 3 projects outward from the edge of the vibration damping pad 1d. It has the advantage of being regulated more reliably.
【００２１】図１６〜図１７の第６実施例に係る制振パ
ッド１ｄは、第３実施例の制振パッド１ｂを改良したも
ので、第４，第５実施例の場合と同様に、制振パッド１
ｅの第２弾性ゴムＣに形成される横孔９と直角方向に互
いに平行に複数本の溝４が形成されている。第６実施例
の制振パッド１ｅによると、溝４の存在により、第４，
第５実施例と同様に上下方向の圧縮変形をより大きくと
り、制振パッドの振動吸収機能を一層向上させることが
できる。The vibration damping pad 1d according to the sixth embodiment of FIGS. 16 to 17 is an improvement of the vibration damping pad 1b of the third embodiment, and is the same as the case of the fourth and fifth embodiments. Shaking pad 1
A plurality of grooves 4 are formed in parallel with each other in the direction perpendicular to the lateral holes 9 formed in the second elastic rubber C of e. According to the vibration damping pad 1e of the sixth embodiment, due to the existence of the groove 4,
As in the fifth embodiment, the vertical compressive deformation can be increased to further improve the vibration absorbing function of the vibration damping pad.
【００２２】前記の構成からなる制振パッド１〜１ｅ
は、反撥力を抑制した軌道パッドまたは、まくらぎ下の
制振パッドとして使用される。これを図１９〜図２１を
参照して説明すると、コンクリートまくらぎ２２におい
て、軌条２３は本実施例の制振パッド１を介して当該ま
くらぎ２２に支持されている。４５は絶縁クリップ、４
６は固定金具である。また、各軌条２３を設置した部分
の下側を被覆する合成樹脂製埋込箱１７における中央下
部に、まくらぎ長手方向、すなわち左右方向に延長する
下部の中央面板１８が設けられている。この中央平面板
１８における軌条長手方向の両側、すなわち前後両側
に、上下に向って拡開するように傾斜する斜面板２０が
設けられ、各斜面板２０に垂直な上部側板２１が連設さ
れ、埋込箱１７の外端部に外端板１９が設けられ、かつ
前記埋込箱１７の左右方向の中間部には中間端板２４が
設けられている。Vibration damping pads 1 to 1e having the above structure
Is used as a track pad with suppressed repulsion force or as a damping pad under sleepers. This will be described with reference to FIGS. 19 to 21. In the concrete sleeper 22, the rail 23 is supported by the sleeper 22 via the damping pad 1 of this embodiment. 45 is an insulating clip, 4
6 is a fixing metal fitting. Further, a lower central face plate 18 extending in the sleeper longitudinal direction, that is, the left-right direction is provided in the lower central part of the synthetic resin embedding box 17 that covers the lower side of the portion where each rail 23 is installed. Slope plates 20 that are inclined so as to spread upward and downward are provided on both sides of the center plane plate 18 in the longitudinal direction of the rail, that is, on both front and rear sides, and upper side plates 21 that are perpendicular to the slope plates 20 are continuously provided. An outer end plate 19 is provided at an outer end portion of the embedding box 17, and an intermediate end plate 24 is provided at an intermediate portion in the left-right direction of the embedding box 17.
【００２３】前記中央平面板１８の前後方向の両側に、
左右方向に延長する中間ストッパ２５が一体に設けら
れ、かつ中央平面板１８の前後両側と各斜面板２０との
接続部には、端部ストッパ２６が一体に設けられ、前記
上部側板２１の上部に、前後方向に対向する位置におい
て、左右に延長するスリット２７を有する複数の係止片
２８が一体に設けられている。On both sides of the central plane plate 18 in the front-back direction,
An intermediate stopper 25 extending in the left-right direction is integrally provided, and an end stopper 26 is integrally provided at a connecting portion between the front and rear sides of the central plane plate 18 and each sloping plate 20, and an upper portion of the upper side plate 21 is provided. In addition, a plurality of locking pieces 28 having slits 27 extending left and right are integrally provided at positions facing each other in the front-rear direction.
【００２４】コンクリートまくらぎ２２における軌条支
承部側の前部および後部に、埋込箱７における上部側板
２１に対向する位置において、奥部が閉じられている雌
ねじ部材３２が埋込み固定されている。また、ボルト頭
部収容用凹部３３を備えているゴムのような弾性材料か
らなる弾性支承部材３４にボルト３５が挿通されると共
に、そのボルト３５は前記雌ねじ部材３２に螺合され、
かつボルト３５の頭部３６の表面は、弾性支承部材３４
の表面よりも引込んだ位置に配置されている。Female screw members 32 having a closed inner part are embedded and fixed to the front and rear portions of the concrete sleepers 22 on the rail bearing side, at positions facing the upper side plates 21 of the embedding box 7. Further, the bolt 35 is inserted into the elastic support member 34 made of an elastic material such as rubber and provided with the bolt head accommodation recess 33, and the bolt 35 is screwed into the female screw member 32.
Moreover, the surface of the head portion 36 of the bolt 35 has an elastic support member 34.
It is placed in a position retracted from the surface of the.
【００２５】前述のように構成された弾性支承部材３４
を取付けたコンクリートまくらぎ２２は、車両荷重支承
用の制振パッド１および複数の複合の弾性支承体４０を
取付けた埋込箱１７内に配置され、偶数本の合成繊維製
ベルト４１の環状部材は、前記係止片２８のスリット２
７に挿通され、前記環状部に係止用ピン４２が挿入され
て、合成繊維製ベルト４１の一端部が係止片２８に係止
され、前後方向に対向している各合成繊維製ベルト４１
は、合成繊維製係止具４３に係止される。Elastic bearing member 34 constructed as described above.
The concrete sleeper 22 to which is attached is arranged in the embedding box 17 to which the vibration damping pad 1 for supporting the vehicle load and the plurality of composite elastic bearings 40 are attached, and the annular member of the even number of synthetic fiber belts 41. Is the slit 2 of the locking piece 28.
7, the locking pin 42 is inserted into the annular portion, one end of the synthetic fiber belt 41 is locked to the locking piece 28, and the synthetic fiber belts 41 are opposed to each other in the front-rear direction.
Are locked to the synthetic fiber locking tool 43.
【００２６】次に、埋込箱１７全体を埋込む道床コンク
リート４４が打設され、その道床コンクリート４４にお
ける中央部に排水溝（図示せず）が設けられ、また、コ
ンクリートまくらぎ２２の長手方向の両側にある埋込箱
以外の部分には道床コンクリート４４を打設しない。次
に道床コンクリート４４が硬化したのち、前記合成樹脂
製係止具４３および係止用ピン４２ならびに合成繊維製
ベルト４１が撤去される。Next, a roadbed concrete 44 for burying the entire burying box 17 is placed, a drainage groove (not shown) is provided in the central portion of the roadbed concrete 44, and a longitudinal direction of the concrete sleeper 22. Do not place the roadbed concrete 44 on the parts other than the embedding boxes on both sides of. Next, after the roadbed concrete 44 hardens, the synthetic resin locking tool 43, the locking pin 42, and the synthetic fiber belt 41 are removed.
【００２７】前述のように本発明の実施例に係る図１〜
図１８に示される制振パッド１〜１ｅは、図１９、図２
０に示される軌条２３を支持する部材として、また、図
２１に示されるまくらぎ２２からの車両の荷重を支持す
る制振パッド１として使用される。さらに、この制振パ
ッド１〜１ｅは前述のとおり斜面板２０に配置される弾
性支承体４０に代えて使用することもできる。As described above, FIG. 1 according to the embodiment of the present invention
The damping pads 1 to 1e shown in FIG.
It is used as a member for supporting the rail 23 shown in FIG. 0 and as a damping pad 1 for supporting the load of the vehicle from the sleeper 22 shown in FIG. Further, the vibration damping pads 1 to 1e can be used instead of the elastic supporting body 40 arranged on the slope plate 20 as described above.
【００２８】[0028]
【発明の効果】以上説明したように、本発明に係る制振
パッドは、反撥弾性の低い高減衰ゴムＡと、高減衰ゴム
Ａより反撥弾性の高い第１弾性ゴムＢ及び、横孔９を有
する第２弾性ゴムＣを一体的に組合わせ、または、高減
衰ゴムＡと、前記横孔９を有する第２弾性ゴムＣとを一
体的に組合わてなり、前記の構成によりまくらぎ２２か
ら受ける複雑な振動を前記高減衰ゴムＡと第１，第２の
弾性ゴムＢ，Ｃで受けることができ、従来の単一ゴム層
からなる制振パッドに比べて、より効率的に振動を吸収
でき、その防振効果がきわめてすぐれている。As described above, the damping pad according to the present invention includes the high damping rubber A having a low impact resilience, the first elastic rubber B having a higher impact resilience than the high damping rubber A, and the lateral hole 9. The second elastic rubber C having the same is integrally combined, or the high damping rubber A and the second elastic rubber C having the lateral hole 9 are integrally combined. The complex vibration to be received can be received by the high damping rubber A and the first and second elastic rubbers B and C, and the vibration can be absorbed more efficiently than the conventional vibration damping pad composed of a single rubber layer. It is possible, and its anti-vibration effect is extremely excellent.
【図１】第１実施例に係る軌道用制振パッドの平面図で
ある。FIG. 1 is a plan view of a vibration damping pad for a track according to a first embodiment.
【図２】図１のイ−イ線断面図である。FIG. 2 is a sectional view taken along the line EE of FIG.
【図３】図１のロ−ロ線断面図である。FIG. 3 is a cross-sectional view taken along the line ROLL of FIG.
【図４】第２実施例に係る軌道用制振パッドの平面図で
ある。FIG. 4 is a plan view of an orbital damping pad according to a second embodiment.
【図５】図４のハ−ハ線断面図である。5 is a cross-sectional view taken along the line of FIG.
【図６】図４のニ−ニ線断面図である。FIG. 6 is a cross-sectional view taken along the line Ni of FIG.
【図７】第３実施例に係る軌道用制振パッドの平面図で
ある。FIG. 7 is a plan view of an orbital damping pad according to a third embodiment.
【図８】図７のホ−ホ線断面図である。8 is a cross-sectional view taken along the line HO of FIG.
【図９】図７のヘ−ヘ線断面図である。9 is a cross-sectional view taken along the line H-H of FIG. 7.
【図１０】第４実施例に係る軌道用制振パッドの平面図
である。FIG. 10 is a plan view of an orbital damping pad according to a fourth embodiment.
【図１１】図１０のト−ト線断面図である。FIG. 11 is a sectional view taken along the Toe line in FIG.
【図１２】図１０のチ−チ線断面図である。12 is a sectional view taken along the line of FIG.
【図１３】第５実施例に係る軌道用制振パッドの平面図
である。FIG. 13 is a plan view of an orbital damping pad according to a fifth embodiment.
【図１４】図１３のリ−リ線断面図である。FIG. 14 is a sectional view taken along the line Lilly of FIG.
【図１５】図１３のヌ−ヌ線断面図である。FIG. 15 is a cross-sectional view taken along line Nu-Nu in FIG.
【図１６】第６実施例に係る軌道用制振パッドの平面図
である。FIG. 16 is a plan view of an orbital damping pad according to a sixth embodiment.
【図１７】図１６のル−ル線断面図である。17 is a cross-sectional view taken along the rule line of FIG.
【図１８】図１６のオ−オ線断面図である。FIG. 18 is a sectional view taken along the line O-O of FIG.
【図１９】鉄道軌条用まくらぎの弾性支承装置を示す一
部縦断側面図である。FIG. 19 is a partially longitudinal side view showing an elastic bearing device for a railroad sleeper.
【図２０】図１９の軌条支持構造を示す断面拡大図であ
る。20 is an enlarged cross-sectional view showing the rail support structure of FIG.
【図２１】図１９と直交する面で縦断した鉄道軌条用ま
くらぎの弾性支承装置を示す縦断側面図である。FIG. 21 is a vertical sectional side view showing an elastic bearing device for a railroad railroad sleeper, which is longitudinally cut in a plane orthogonal to FIG. 19;
１ 制振パッド ２ 厚肉部 ３ 薄肉突出部 ４ 溝 ５ 外端縁 ６ 垂直部 ７ 上面 ８ 下面 ９ 横孔 １０ 外端縁 １７ 埋込箱 １８ 中央平面板 １９ 外端板 ２０ 斜面板 ２１ 上部側板 ２２ まくらぎ ２３ 軌条 ２４ 中間端板 ２５ 中間ストッパ ２６ 端部ストッパ ２７ スリット ２８ 係止片 ３２ 雌ねじ部材 ３３ ボルト頭部収容用凹部 ３４ 弾性支承部材 ３５ ボルト ３６ ボルト頭部 ３７ 透孔 ３８ 繊維混入ゴム層 ３９ ゴム層 ４０ 弾性支承体 ４１ 合成繊維製ベルト ４２ 係止用ピン ４３ 合成樹脂製係止具 ４４ 道床コンクリート ４５ 絶縁クリップ ４６ 固定金具 Ａ 高減衰ゴム Ｂ 第１弾性ゴム Ｃ 第２弾性ゴム 1 Damping Pad 2 Thick Part 3 Thin Projection 4 Groove 5 Outer Edge 6 Vertical Part 7 Upper Surface 8 Lower Surface 9 Horizontal Hole 10 Outer Edge 17 Embedded Box 18 Center Flat Plate 19 Outer End Plate 20 Slope Plate 21 Upper Side Plate 22 sleeper 23 rail 24 intermediate end plate 25 intermediate stopper 26 end stopper 27 slit 28 locking piece 32 female screw member 33 bolt head accommodating recess 34 elastic bearing member 35 bolt 36 bolt head 37 through hole 38 fiber mixed rubber layer 39 Rubber layer 40 Elastic support 41 Synthetic fiber belt 42 Locking pin 43 Synthetic resin locking tool 44 Roadbed concrete 45 Insulating clip 46 Fixing metal A High damping rubber B First elastic rubber C Second elastic rubber
Claims (6)
反撥弾性の低い高減衰ゴムＡと、高減衰ゴムよりも反撥
弾性の高い第１弾性ゴムＢ及び、第２弾性ゴムＣとから
構成し、前記高減衰ゴムＡは厚肉部２と、この厚肉部２
の端縁より突出した薄肉突出部３を有していると共に、
前記第２弾性ゴムＣは、前記厚肉部２の中間部から制振
パッド１の側面に伸びて配置され、さらに前記第１弾性
ゴムＢを前記薄肉突出部３の両面に貼着することで、前
記第１弾性ゴムＢが前記高減衰ゴムＡの厚肉部２の周縁
部を取囲んで配置され、かつ前記第２弾性ゴムＣを貫通
して制振パッド１の側面に伸びる横孔９が互いに平行に
形成されている構成を特徴とする軌道用制振パッド。1. A damping pad 1 having a predetermined thickness L,
It comprises a high damping rubber A having a low impact resilience, a first elastic rubber B and a second elastic rubber C having a higher impact resilience than the high damping rubber, and the high damping rubber A has a thick portion 2 and this thickness. Meat part 2
Has a thin-walled protrusion 3 protruding from the edge of
The second elastic rubber C is arranged so as to extend from the middle portion of the thick portion 2 to the side surface of the vibration damping pad 1, and the first elastic rubber B is attached to both surfaces of the thin protruding portion 3 by A lateral hole 9 in which the first elastic rubber B is arranged so as to surround the peripheral portion of the thick portion 2 of the high damping rubber A and which penetrates the second elastic rubber C and extends to the side surface of the vibration damping pad 1. A vibration damping pad for a track, which is characterized by being formed in parallel with each other.
は小判型又は四角形である請求項１に記載の軌道用制振
パッド。2. The vibration damping pad for a track according to claim 1, wherein the thick-walled portion 2 of the high-damping rubber A has an oval shape or a quadrangular shape in plan view.
縁３ａを外部に露出させ、又はこの外端縁３ａを前記第
１弾性ゴムＢによって被覆した構成を特徴とする請求項
１に記載の軌道用制振パッド。3. The structure in which the outer edge 3a of the thin protrusion 3 of the high-damping rubber A is exposed to the outside or the outer edge 3a is covered with the first elastic rubber B. Orbital damping pad described in.
弾性ゴムＣを半加硫成型し、次に第２弾性ゴムＣの両側
面に配設され、厚肉部２と、この厚肉部２の端縁より突
出した薄肉突出部３を有し、前記第２弾性ゴムＣよりも
反撥弾性が低い高減衰ゴムＡと、前記薄肉突出部３を挾
み、かつ前記高減衰ゴムＡの厚肉部２の周縁部を取囲
み、前記高減衰ゴムＡよりも反撥弾性の高い第１弾性ゴ
ムＢとを成形型内に配置し、加硫成型して、高減衰ゴム
Ａと第１，第２弾性ゴムＢ，Ｃを一体化することを特徴
とする軌道用制振パッドの製造方法。4. A second having a plurality of lateral holes 9 which are parallel to each other.
The elastic rubber C is semi-vulcanized and molded, and is provided on both side surfaces of the second elastic rubber C, and has a thick portion 2 and a thin protrusion 3 protruding from an edge of the thick portion 2. The high damping rubber A, which has a lower impact resilience than the second elastic rubber C, sandwiches the thin-walled protruding portion 3 and surrounds the peripheral portion of the thick portion 2 of the high damping rubber A. The first elastic rubber B having a higher impact resilience than that is disposed in the molding die and vulcanized and molded to integrate the high damping rubber A and the first and second elastic rubbers B and C. Manufacturing method of orbital damping pad.
撥弾性の低い高減衰ゴムＡと、高減衰ゴムＡの中間に配
置され、前記高減衰ゴムＡよりも反撥弾性の高い第２弾
性ゴムＣとから構成し、前記第２弾性ゴムＣを貫通して
制振パッド１の側面に伸びる複数の横孔９が互いに平行
に形成されている構成を特徴とする軌道用制振パッド。5. A damping pad 1 having a predetermined thickness L is arranged between a high damping rubber A having a low repulsion elasticity and a high damping rubber A, and a second elasticity having a higher repulsion elasticity than the high damping rubber A. A vibration damping pad for a track, comprising a rubber C and a plurality of lateral holes 9 penetrating the second elastic rubber C and extending to the side surface of the vibration damping pad 1 in parallel with each other.
に、前記横孔９と直角方向に複数の溝４が互いに平行に
形成されている構成を特徴とする請求項１から４又は６
のいずれかに記載の軌道用制振パッド。6. A structure in which a plurality of grooves 4 are formed in parallel with each other on the upper and lower surfaces or one surface of the vibration damping pad 1 in a direction perpendicular to the lateral hole 9.
Orbital damping pad according to any one of 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7164510A JP3016716B2 (en) | 1995-06-08 | 1995-06-08 | Track damping pad and method of manufacturing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7164510A JP3016716B2 (en) | 1995-06-08 | 1995-06-08 | Track damping pad and method of manufacturing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08333701A true JPH08333701A (en) | 1996-12-17 |
| JP3016716B2 JP3016716B2 (en) | 2000-03-06 |
Family
ID=15794537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7164510A Expired - Fee Related JP3016716B2 (en) | 1995-06-08 | 1995-06-08 | Track damping pad and method of manufacturing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3016716B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006299740A (en) * | 2005-04-25 | 2006-11-02 | Tokyo Fabric Kogyo Kk | Vibration damping fastener and rail track |
| CN1317453C (en) * | 2003-07-26 | 2007-05-23 | 尹学军 | Elastic pad |
| CN105113342A (en) * | 2015-09-18 | 2015-12-02 | 成都爆米花信息技术有限公司 | Anti-freezing shock absorption pad |
-
1995
- 1995-06-08 JP JP7164510A patent/JP3016716B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317453C (en) * | 2003-07-26 | 2007-05-23 | 尹学军 | Elastic pad |
| JP2006299740A (en) * | 2005-04-25 | 2006-11-02 | Tokyo Fabric Kogyo Kk | Vibration damping fastener and rail track |
| CN105113342A (en) * | 2015-09-18 | 2015-12-02 | 成都爆米花信息技术有限公司 | Anti-freezing shock absorption pad |
| CN105113342B (en) * | 2015-09-18 | 2016-10-19 | 成都爆米花信息技术有限公司 | A kind of antifreeze cushion |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3016716B2 (en) | 2000-03-06 |
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