JPH0542083Y2 - - Google Patents
Info
- Publication number
- JPH0542083Y2 JPH0542083Y2 JP4752489U JP4752489U JPH0542083Y2 JP H0542083 Y2 JPH0542083 Y2 JP H0542083Y2 JP 4752489 U JP4752489 U JP 4752489U JP 4752489 U JP4752489 U JP 4752489U JP H0542083 Y2 JPH0542083 Y2 JP H0542083Y2
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- rail
- displacement
- hydraulic jack
- amount
- 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.)
- Expired - Lifetime
Links
- 238000006073 displacement reaction Methods 0.000 claims description 24
- 241001669679 Eleotris Species 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 description 4
- 239000012212 insulator Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Landscapes
- Machines For Laying And Maintaining Railways (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Description
【考案の詳細な説明】
「産業上の利用分野」
この考案は軌道に使われるマクラギの良否を判
定するマクラギ判定装置に関する。[Detailed Description of the Invention] "Industrial Application Field" This invention relates to a sleeper determining device for determining the quality of sleepers used on tracks.
「従来の技術」
木マクラギは腐朽が進行すると犬釘の支持力が
低下し、これによつて、レール支持力の不足によ
り軌間が拡がるという重大事故につながるおそれ
がある。``Prior Art'' As wooden sleepers decay, the supporting capacity of the dog nails decreases, which may lead to a serious accident in which the track widens due to lack of rail supporting capacity.
このため従来は検査員が目視と、打撃音等によ
つてマクラギの交換が必要か否かを判断してい
る。 For this reason, conventionally, inspectors have determined whether or not sleepers need to be replaced by visual inspection and by listening to impact sounds and the like.
「考案が解決しようとする課題」
従来の検査方法は検査員の経験と勘に頼よつて
いるため、個人差が入り、不良マクラギの判定に
バラツキがあつた。``The problem that the invention aims to solve'' Conventional inspection methods rely on the experience and intuition of inspectors, which introduces individual differences and results in variations in the judgment of defective sleepers.
特に表面上腐朽した様子に見えないマクラギが
内部で腐朽が進んでいることもあり、これを見抜
くことは困難なことである。この考案の目的はマ
クラギの良否を正確に判定することができるマク
ラギ判定装置を提供するにある。 In particular, it is difficult to detect sleepers that do not appear to be rotten on the surface, as the rot has progressed internally. The purpose of this invention is to provide a sleeper determining device that can accurately determine the quality of sleepers.
「課題を解決するための手段」
この考案では両端にレール係合片が取付けら
れ、このレール係合片をレールに係合させること
によつて軌間内に差渡されて支持される油圧ジヤ
ツキと、この油圧ジヤツキに油圧を与える油圧ポ
ンプと、油圧器ジヤツキに与えられる油圧の値を
表示する油圧測定器と、油圧ジヤツキの変位量を
計測する変位測定器とによつてマクラギ判定装置
を構成したものである。"Means for Solving the Problem" In this invention, rail engaging pieces are attached to both ends, and by engaging the rail engaging pieces with the rail, a hydraulic jack is supported across the gauge. A sleeper determination device was constructed by a hydraulic pump that applied oil pressure to the hydraulic jack, a hydraulic pressure measuring device that displayed the value of the hydraulic pressure applied to the hydraulic jack, and a displacement measuring device that measured the amount of displacement of the hydraulic jack. It is something.
この考案の構成によれば軌間内に支持された油
圧ジヤツキに油圧を与えることによつてレール間
に外向に向う横圧を与えることができる。 According to the configuration of this invention, outward lateral pressure can be applied between the rails by applying hydraulic pressure to the hydraulic jack supported within the track.
レールに掛る横圧は油圧ポンプから与えた油圧
によつて読取ることができる。レールに規定の横
圧を与えた状態で油圧ジヤツキの変位量を変位測
定器によつて読取ることにより、レールの拡がり
変位量を計測することができる。この広がり変位
量が所定値以上に達する地点では、マクラギのレ
ールに対する支持力が弱いことが解り、マクラギ
の劣化を知ることができる。 The lateral pressure applied to the rail can be read by the oil pressure applied from the hydraulic pump. By reading the amount of displacement of the hydraulic jack with a displacement measuring device while applying a specified lateral pressure to the rail, the amount of displacement of the spread of the rail can be measured. At a point where the amount of spread displacement reaches a predetermined value or more, it can be seen that the support force of the sleepers against the rail is weak, and it is possible to know that the sleepers have deteriorated.
「実施例」
第１図及び第２図にこの考案の一実施例を示
す。図中１は油圧ジヤツキを示す。この油圧ジヤ
ツキ１の両端にはレール係合片２Ａ，２Ｂが取付
けられる。``Example'' Figures 1 and 2 show an example of this invention. 1 in the figure indicates a hydraulic jack. Rail engaging pieces 2A and 2B are attached to both ends of this hydraulic jack 1.
レール係合片２Ａ，２Ｂはレール３の軌間面に
当接するブロツク４Ａ，４Ｂの上辺から油圧ジヤ
ツキ１の横方向に延長した突片によつて構成する
ことができる。レール係合片２Ａ，２Ｂの下面に
は高さ調整用スペーサ５が取り付けられる。この
高さ調整用スペーサ５はレールの種類に応じて厚
みの異なるスペーサに交換し当接ブロツク４Ａ，
４Ｂの軸芯がレール３の軌間内レール頭部側面に
当接するように調整するために設けられる。 The rail engaging pieces 2A, 2B can be constituted by projecting pieces extending in the lateral direction of the hydraulic jack 1 from the upper sides of the blocks 4A, 4B that abut against the track surface of the rail 3. A height adjusting spacer 5 is attached to the lower surface of the rail engaging pieces 2A, 2B. This height adjustment spacer 5 is replaced with a spacer of a different thickness depending on the type of rail, and the contact block 4A,
It is provided to adjust the axis of the rail 4B so that it comes into contact with the side surface of the rail head within the gauge of the rail 3.
油圧ジヤツキ１はシリンダ１Ａと可動ロツド１
Ｂとによつて構成される。この例ではシリンダ１
Ａの底面側に延長シヤフト６を連結し、この延長
シヤフト６の先端に一方の当接ブロツク４Ａを取
付け、可動ロツド１Ｂの先端に他方の当接ブロツ
ク４Ｂを取付けた場合を示す。 Hydraulic jack 1 has cylinder 1A and movable rod 1
It is composed of B. In this example cylinder 1
A case is shown in which an extension shaft 6 is connected to the bottom side of the rod A, one abutment block 4A is attached to the tip of the extension shaft 6, and the other abutment block 4B is attached to the tip of the movable rod 1B.
延長シヤフト６は中空シヤフトを用いることが
でき重量の軽減を達すると共に、油圧ジヤツキ１
のシリンダ１Ａの底部に係合シヤフト１Ｃと突設
し、この係合シヤフト１Ｃを延長シヤフト６の中
空部に嵌合し、油圧ジヤツキ１と延長シヤフト６
とを連結する構造とした場合を示す。６Ａはこの
連結状態を固定する締付ネジを示す。 The extension shaft 6 can be a hollow shaft to reduce weight, and the hydraulic shaft 1 can be used as the extension shaft 6.
An engagement shaft 1C is provided protruding from the bottom of the cylinder 1A, and the engagement shaft 1C is fitted into the hollow part of the extension shaft 6.
This shows a structure in which these are connected. 6A indicates a tightening screw that fixes this connected state.
当接ブロツク４Ａ，４Ｂは中間に絶縁体４IA，
４IBが介挿され、この絶縁体４IA，４IBによつ
てレール３の相互間を部分的に短絡しないように
している。 The contact blocks 4A and 4B have an insulator 4IA in the middle,
4IB is inserted, and these insulators 4IA and 4IB prevent the rails 3 from being partially short-circuited.
７は油圧ジヤツキ１の可動ロツド１Ｂの変位量
を測定する変位測定器を示す。この例ではダイヤ
ルゲージを用いた場合を示す。変位測定器７の本
体を接触子７Ａの軸が油圧ジヤツキ１の軸と平行
する向に油圧ジヤツキ１のシリンダ１Ａに取付け
る。接触子７Ａには当接ブロツク４Ｂに取付けた
計測片７Ｂに当接させる。この構造によつて油圧
ジヤツキ１の可動ロツド１Ｂが伸長方向に突出す
ることによつて変位測定器７の接触子７Ａは圧縮
方向に変位され、可動ロツド１Ｂの突出量が計測
される。 Reference numeral 7 indicates a displacement measuring device for measuring the amount of displacement of the movable rod 1B of the hydraulic jack 1. This example shows a case where a dial gauge is used. The main body of the displacement measuring device 7 is attached to the cylinder 1A of the hydraulic jack 1 in such a direction that the axis of the contactor 7A is parallel to the axis of the hydraulic jack 1. The contact 7A is brought into contact with a measurement piece 7B attached to a contact block 4B. With this structure, when the movable rod 1B of the hydraulic jack 1 protrudes in the extension direction, the contact 7A of the displacement measuring device 7 is displaced in the compression direction, and the amount of protrusion of the movable rod 1B is measured.
８は油圧ポンプを示す。この油圧ポンプ８のハ
ンドル８Ａを操作することによつて油圧が高めら
れ、その高められた油圧がホース８Ｂを通じて油
圧ジヤツキ１に与えられ、可動ロツド１Ｂが伸長
される。尚８Ｃは油圧の戻し弁を示し油圧を元に
戻すとき操作する。 8 indicates a hydraulic pump. The hydraulic pressure is increased by operating the handle 8A of the hydraulic pump 8, and the increased hydraulic pressure is applied to the hydraulic jack 1 through the hose 8B, thereby extending the movable rod 1B. Note that 8C indicates a hydraulic pressure return valve, which is operated to return the hydraulic pressure to its original state.
油圧ポンプ８には油圧指示器９が取付けられ、
この油圧指示器９によつて油圧ジヤツキ１に与え
られる油圧値を指示する。この油圧値はレール３
の軌間面に与えられる圧力と等価となる。従つて
油圧値が所定値になるまで油圧ポンプ８を操作
し、そのときの可動ロツド１Ｂの突出量を変位測
定器７によつて計測することにより、レール３の
拡がり変位量を計測することができる。 A hydraulic indicator 9 is attached to the hydraulic pump 8,
This oil pressure indicator 9 indicates the oil pressure value given to the hydraulic jack 1. This oil pressure value is rail 3
It is equivalent to the pressure applied to the raceway surface of Therefore, by operating the hydraulic pump 8 until the hydraulic pressure reaches a predetermined value and measuring the amount of protrusion of the movable rod 1B at that time using the displacement measuring device 7, it is possible to measure the amount of displacement of the spread of the rail 3. can.
つまり油圧ジヤツキ１をレール３の軌間内に差
渡した状態に支持させる。この状態で油圧ポンプ
８を操作して油圧を少し高め当接ブロツク４Ａと
４Ｂの先端面をレール３の軌間面に軽く当接させ
る。 In other words, the hydraulic jack 1 is supported in a state in which it extends within the gauge of the rail 3. In this state, the hydraulic pump 8 is operated to slightly increase the oil pressure and the tip surfaces of the contact blocks 4A and 4B are brought into light contact with the track surface of the rail 3.
ここでネジ７Ｃを緩め変位測定器７の位置を調
整して変位測定器７の指示を変位指示値の初期値
に設定する。 Here, the screw 7C is loosened and the position of the displacement measuring device 7 is adjusted to set the indication of the displacement measuring device 7 to the initial value of the displacement instruction value.
変位の初期値を設定すると油圧ポンプ８を操作
し、油圧を例えば２トン程度まで高める。この規
定の油圧値において変位量が規定の範囲内である
か否かによつてマクラギの良否を判定する。 Once the initial displacement value is set, the hydraulic pump 8 is operated to increase the oil pressure to, for example, about 2 tons. The quality of the sleeper is determined based on whether or not the amount of displacement is within a specified range at this specified hydraulic pressure value.
実験によればレール間に２トンの圧力を加えた
状態でのレール間の拡がり変位量と、0.5トンの
圧力を加えた状態でのレール間の拡がり変位量の
差が50Kgレールで４mm、その他レールで６mmのと
き当該もしくは隣接のマクラギが腐朽しているこ
とが多かつた。従つて２トンの横圧を加えたとき
の変位量と0.5トンの横圧を加えたときの変位量
の差が４〜６mm程度のとき当該もしくは隣接のマ
クラギは交換が必要であると判定することができ
る。 According to experiments, the difference between the amount of spreading displacement between the rails when 2 tons of pressure is applied between the rails and the amount of spreading displacement between the rails when 0.5 tons of pressure is applied is 4 mm for 50 kg rails, and others. When the rail was 6 mm, the sleeper in question or adjacent to it was often rotten. Therefore, when the difference between the amount of displacement when applying 2 tons of lateral force and the amount of displacement when applying 0.5 tons of lateral force is about 4 to 6 mm, it is determined that the sleeper in question or the adjacent sleeper needs to be replaced. be able to.
「考案の効果」
以上説明したように、この考案によればマクラ
ギの良否を機械的に判定することができ、信頼性
の高いマクラギの管理を行なうことができる。"Effects of the invention" As explained above, according to this invention, it is possible to mechanically determine whether the sleepers are good or bad, and it is possible to manage the sleepers with high reliability.
第１図はこの考案の一実施例を示す側面図、第
２図はその平面図である。
１……油圧シリンダ、２Ａ，２Ｂ……レール係
合片、３……レール、４Ａ，４Ｂ……当接ブロツ
ク、５……高さ調整スペーサ、６……延長シヤフ
ト、７……変位測定器、８……油圧ポンプ、９…
…油圧指示器。
FIG. 1 is a side view showing an embodiment of this invention, and FIG. 2 is a plan view thereof. 1... Hydraulic cylinder, 2A, 2B... Rail engagement piece, 3... Rail, 4A, 4B... Contact block, 5... Height adjustment spacer, 6... Extension shaft, 7... Displacement measuring device , 8...hydraulic pump, 9...
...Oil pressure indicator.
Claims (1)
片をレールに係合させることによつて軌間内に
差渡された状態に支持される油圧ジヤツキと、 Ｂ この油圧ジヤツキに油圧を与える油圧ポンプ
と、 Ｃ 油圧ジヤツキに与えられる油圧値を指示する
油圧指示器と、 Ｄ 上記油圧ジヤツキの変位量を計測する変位測
定器と、によつて構成したマクラギ判定装置。[Scope of Claim for Utility Model Registration] A: A hydraulic jack having rail engaging pieces attached to both ends and supported in a state where it is spread within the gauge by engaging the engaging pieces with the rail; B A sleeper determination device comprising: a hydraulic pump that applies hydraulic pressure to the hydraulic jack; C. a hydraulic indicator that indicates the hydraulic pressure value to be applied to the hydraulic jack; and D. a displacement measuring device that measures the amount of displacement of the hydraulic jack. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4752489U JPH0542083Y2 (en) | 1989-04-21 | 1989-04-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4752489U JPH0542083Y2 (en) | 1989-04-21 | 1989-04-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02139902U JPH02139902U (en) | 1990-11-22 |
| JPH0542083Y2 true JPH0542083Y2 (en) | 1993-10-25 |
Family
ID=31563527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4752489U Expired - Lifetime JPH0542083Y2 (en) | 1989-04-21 | 1989-04-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0542083Y2 (en) |
-
1989
- 1989-04-21 JP JP4752489U patent/JPH0542083Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02139902U (en) | 1990-11-22 |
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