JPH0369701A - Hook bolt for fastening sleeper - Google Patents

Hook bolt for fastening sleeper

Info

Publication number
JPH0369701A
JPH0369701A JP20568789A JP20568789A JPH0369701A JP H0369701 A JPH0369701 A JP H0369701A JP 20568789 A JP20568789 A JP 20568789A JP 20568789 A JP20568789 A JP 20568789A JP H0369701 A JPH0369701 A JP H0369701A
Authority
JP
Japan
Prior art keywords
hook
sleeper
hook bolt
parts
bolt
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
Application number
JP20568789A
Other languages
Japanese (ja)
Inventor
Hiroshi Oe
大江 弘
Katsuhide Shimoimotsubo
下芋坪 勝英
Isao Abe
阿部 勇夫
Masatoshi Abe
正敏 阿部
Takao Misawa
三沢 孝雄
Hisami Misawa
三沢 久美
Masayuki Terayama
寺山 政幸
Osamu Tanaka
修 田中
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP20568789A priority Critical patent/JPH0369701A/en
Publication of JPH0369701A publication Critical patent/JPH0369701A/en
Pending legal-status Critical Current

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  • Railway Tracks (AREA)

Abstract

PURPOSE:To prevent the occurrence of rotation and unfastening by a method wherein a coupling having a hook part is connected to the lower parts of a plurality of rise parts, and a screw part is formed to the upper end of each rise part. CONSTITUTION:Vertical rise parts 5a and 5b are respectively mounted to both ends of a coupling part 4 formed approximately in an M-shape in a plane and having a hook part 7. Screw parts 6 are formed to the tips of the rise parts 5a and 5b to form a hook bolt A. The rise parts 5a and 5b of the hook bolt A are inserted in the mounting holes of sleepers 2a and 2b, respectively, placed on an iron beam 1, and by fastening a nut 11 to the screw part 6, the hook part 7 is engaged with the under surface of the flange part of the iron beam 1.

Description

【発明の詳細な説明】 [産業上の利用分野] 本発明は鉄道橋の橋マクラギの締結に好適なマクラギ締
結用フックボルトに関する。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a sleeper fastening hook bolt suitable for fastening bridge sleepers of a railway bridge.

[従来の技術] 従来、鉄道橋の鉄げた用橋マクラギを固定するための手
段として第6図に示すようなフックボルト(B)が用い
られている。このフックボルト(B)は、その下部に鉄
げたのフランジ部に係合するためのフック部(14)を
有し、ナツト(15)を締め込むことによりジベル状の
座金(16)をマクラギ(2)に食い込ませ、且つ座金
(16)のボルトに刻み込まれている縦溝(17)に座
金(I6)の突起部(図示せず)を係合させることによ
り、その回転を防止するようにしている。
[Prior Art] Conventionally, hook bolts (B) as shown in FIG. 6 have been used as means for fixing bridge sleepers on the iron girders of railway bridges. This hook bolt (B) has a hook part (14) at its lower part for engaging with the flange part of the iron bar, and by tightening the nut (15), the dowel-shaped washer (16) is attached to the sleeper. 2) and by engaging the protrusion (not shown) of the washer (I6) with the vertical groove (17) cut into the bolt of the washer (16), the rotation of the washer (I6) is prevented. ing.

[発明が解決しようとする課!] しかし、このような従来のフックボルトは、長期間の使
用によってマクラギが腐食してくると、座金(16)の
マクラギ(2)に対する食い込みがきかなくなり、ボル
トが回転したり、緩みが生じたりするという問題がある
[The problem that the invention tries to solve! ] However, with such conventional hook bolts, when the sleepers corrode due to long-term use, the washer (16) cannot bite into the sleepers (2), causing the bolts to rotate or loosen. There is a problem with doing so.

また、繰り返される列車通過時の振動によりナッI−(
15)カ緩み、フック部が鉄げたのフランジ部から外れ
てその機能を果さなくなり、最後にはボルト自体がマク
ラギから抜は落ちてしまうという問題もある。
In addition, due to vibrations caused by repeated trains passing,
15) There is also the problem that the bolts loosen, the hook part comes off the flange part of the iron girder, and it no longer performs its function, and eventually the bolt itself falls out of the sleeper.

このため従来では、上述したようなボルトの緩み等に対
するメンテナンスに多大な労力と費用を要していた。
For this reason, in the past, maintenance for the loosening of bolts and the like as described above required a great deal of effort and expense.

本発明はこのような従来の問題に鑑み、長期間の使用に
よっても回転したり緩みを生じたりすることがないマク
ラギ締結用フックボルトを提供するものである。
In view of these conventional problems, the present invention provides a hook bolt for fastening sleepers that does not rotate or loosen even after long-term use.

[課題を解決する為の手段] このため本発明のフックボルトは、各々が隣接したマク
ラギの取付孔に挿入される複数の立ち上がり部と、これ
ら立ち上がり部の下部に連設される連結部とから構成さ
れ、上記各立ち上がり部の上端にはネジ部を形成し、且
つ前記連結部が鉄げたのフランジ部に係合するためのフ
ック部を有するようにしたものである。
[Means for Solving the Problems] Therefore, the hook bolt of the present invention includes a plurality of rising parts each inserted into the mounting hole of an adjacent sleeper, and a connecting part continuous to the lower part of these rising parts. A threaded portion is formed at the upper end of each of the rising portions, and the connecting portion has a hook portion for engaging with a flange portion of the iron beam.

このような本発明は、例えば、連結部を平面略M字状に
構成してその両端に立ち上がり部を形成し、連結部の略
M字形の両国部をフック部として構成させる構造とする
ことができる。
In the present invention, for example, the connecting portion may be formed into a substantially M-shaped plane, rising portions may be formed at both ends thereof, and the approximately M-shaped Ryogoku portion of the connecting portion may be configured as a hook portion. can.

[作 用] フックボルトは、その各立ち上がり部を隣接するマクラ
ギの取付孔に挿入し、その各ネジ部にナツトを締め込む
ことにより取付けられ、この状態で連結部が有するフッ
ク部は、鉄げたのフランジ部下面に係合する。
[Function] The hook bolt is installed by inserting each rising part into the mounting hole of the adjacent sleeper and tightening a nut into each screw part. In this state, the hook part of the connecting part is attached to the iron girder. engages with the lower surface of the flange.

このような本発明のフックボルトは、隣接するマクラギ
間に跨って取付けられるためマクラギに対して回転する
ようなことがなく、また、仮に一つの立ち上がり部のナ
ツトが緩み或いは外れても、他のナツトの固定作用が期
待でき。
Since the hook bolt of the present invention is installed across adjacent sleepers, it does not rotate relative to the sleepers, and even if the nut on one rising part loosens or comes off, it will not cause damage to the other sleepers. You can expect the nut to have a fixing effect.

このためフック部が鉄げたから外れたり、或いはボルト
自体が脱落するというおそれはほとんどない。
Therefore, there is almost no risk that the hook part will come off the iron bar or that the bolt itself will fall off.

また、各ネジ部にコイルバネを取付け、ナツトをこのコ
イルバネを介して締め込むことにより、ボルト自体の弾
性構造と相まって、列車通過による振動を吸収し、ナツ
トの緩みを適切に防止することができる。
In addition, by attaching a coil spring to each threaded portion and tightening the nut through this coil spring, in combination with the elastic structure of the bolt itself, it is possible to absorb vibrations caused by passing trains and appropriately prevent the nut from loosening.

[実施例] 第1図ないし第5図は本発明のフックボルトおよびその
取付構造を示すもので、(1〉は鉄道橋の鉄げた、(2
a)(2b)はマクラギ、(3)は軌道。
[Example] Figures 1 to 5 show the hook bolt of the present invention and its mounting structure, in which (1) is a steel girder of a railway bridge, (2)
a) (2b) is a sleeper, (3) is an orbit.

(A)は本発明のフックボルトである。(A) is a hook bolt of the present invention.

本発明のフックボルトは複数の立ち上がり部とこれらを
その下部で連結する連結部とからなるもので1本実施例
では、平面路M字形状の連結部(4)と、この連結部(
4)の両端から垂直に立ち上がった立上がり部(5a)
 、 (5b)とからなり、全体を棒鋼を折曲成形する
ことにより構成されている。
The hook bolt of the present invention consists of a plurality of rising parts and a connecting part that connects them at the lower part.
4) Rising portions (5a) rising vertically from both ends
, (5b), and is constructed entirely by bending a steel bar.

前記各立ち上がり部(5a) 、 (5b)は、その先
端にネジ部(6)が成形され、またそのネジ部の頭部に
は、割ピン挿入用の小孔が設けられている。
Each of the rising parts (5a) and (5b) has a threaded part (6) formed at its tip, and a small hole for inserting a split pin is provided in the head of the threaded part.

また前記連結部(4)は、その略M字形の両国部がフッ
ク部(7)を構成している。また、このフック部(7)
間のM字形の谷部(8)は、両フック部(7)に対し上
方に立ち上がっている。
Further, the connecting portion (4) has a substantially M-shaped both sides forming a hook portion (7). Also, this hook part (7)
The M-shaped trough (8) between them stands upwards relative to both hook parts (7).

以上のようなフックボルト(A)は、その両立ち上がり
部(5a)、(5b)が隣接するマクラギ(2a)。
The hook bolt (A) as described above is a sleeper (2a) in which both rising portions (5a) and (5b) are adjacent to each other.

(2b)の各取付孔(9)に挿入され、その各ネジ部(
6)にナツトを締め込むことにより固定されるが1本実
施例では、各ネジ部(6)にコイルバネ(10) (ス
プリングワッシャ)が取付けられ、その上部からナツト
(11)が締め込まれている。また、各ネジ部(6)の
前記小孔には割ピン(12)が取付けられ、ナツトの脱
落を防止している。また、ネジ部(6)が突出したマク
ラギの上面には、複数のマクラギに架は渡すような形で
板材(13)が設けられ、前記コイルバネ(10)はこ
の板材(13)の上部に装着されている。
(2b) is inserted into each mounting hole (9), and its respective threaded part (
6), but in this embodiment, a coil spring (10) (spring washer) is attached to each screw part (6), and a nut (11) is tightened from the top of the coil spring (10) (spring washer). There is. Further, a split pin (12) is attached to the small hole of each threaded portion (6) to prevent the nut from falling off. In addition, a plate material (13) is provided on the top surface of the sleeper from which the threaded portion (6) protrudes, in such a manner that it passes over a plurality of sleepers, and the coil spring (10) is attached to the top of this plate material (13). has been done.

前記ナツト(11)の締め込みにより、フック部(7)
が鉄げた(1)のフランジ部下面に係合している。
By tightening the nut (11), the hook part (7)
is engaged with the lower surface of the flange of the iron bar (1).

なお、以上述べた実施例のフックボルトは、−本の棒鋼
を折曲成形することにより簡単に製造することができ、
しかも連結部を略M字形に構成することにより十分な強
度が得られるようにしているが、本発明がこの構造に限
定されるものでないことは言うまでもなく、連結部の形
状、構造、立ち上がり部の本数等に関し、種々の実施態
様をとり得るものである。
In addition, the hook bolt of the embodiment described above can be easily manufactured by bending and forming - steel bars.
Moreover, sufficient strength is obtained by configuring the connecting portion in a substantially M-shape, but it goes without saying that the present invention is not limited to this structure. Various embodiments are possible regarding the number of pieces, etc.

[発明の効果コ 以上述べた1本発明のフックボルトは、隣接するマクラ
ギ間に跨って取付けられるため、マクラギに対して回転
するようなことがなく、また、仮に一つのマクラギのナ
ツトが緩んだり外れたりしても、他のマクラギのナツト
による固定作用が期待でき、このため、長期間の使用に
よってもフック部が鉄げたのフランジ部から外れたり或
いはボルト自体が脱落するようなおそれはほとんどない
[Effects of the Invention] The hook bolt of the present invention described above is installed across adjacent sleepers, so it does not rotate relative to the sleepers, and even if the nut of one sleeper becomes loose. Even if it comes off, the nuts of other sleepers can be expected to fix it, so there is little risk of the hook part coming off the flange part of the iron girder or the bolt itself falling off even after long-term use.

また、各ネジ部にコイルバネを取付け、ナツトをこのコ
イルネジを介して締め込むことにより、ボルト自体の弾
性構造と相まって、列車通過による振動を吸収し、ナツ
トの緩みを適切に防止することができる。
Furthermore, by attaching a coil spring to each threaded portion and tightening the nut through this coil screw, combined with the elastic structure of the bolt itself, it is possible to absorb vibrations caused by passing trains and appropriately prevent the nut from loosening.

以上のように、本発明のフックボルトは、フックが鉄げ
たから外れるおそれがほとんどないため、従来に較ベメ
ンテナンスが極めて容易であり、仮にナツトが緩んだと
してもこれを締め付けるだけで、その機能を回復させる
ことができる。
As described above, the hook bolt of the present invention has almost no risk of the hook coming off the iron bar, so maintenance is extremely easy compared to conventional methods. Even if the nut becomes loose, just tighten it and it will function properly. can be recovered.

【図面の簡単な説明】[Brief explanation of drawings]

第1図ないし第5図は本発明のフックボルトおよびその
取付構造の一実施例を示すもので、第1図は平面図、第
2図は底面図、第3図は第1図中m−m線に沿う断面図
、第4図は第1図中IV−11i1線に沿う断面図、第
5図は第3図中■−V線に沿う断面図である。第6図は
従来のフックボルトおよびその取付構造を示す断面図で
ある。 図において、(4)は連結部、(5a) (5b)は立
ち上がり部、(6)はネジ部、(7)はフック部、(1
1)はナツトである。 第 2 図
1 to 5 show an embodiment of the hook bolt and its mounting structure of the present invention, in which FIG. 1 is a plan view, FIG. 2 is a bottom view, and FIG. 4 is a sectional view taken along line IV-11i1 in FIG. 1, and FIG. 5 is a sectional view taken along line 2-V in FIG. 3. FIG. 6 is a sectional view showing a conventional hook bolt and its mounting structure. In the figure, (4) is the connecting part, (5a) and (5b) are the rising parts, (6) is the threaded part, (7) is the hook part, and (1)
1) is Natsu. Figure 2

Claims (2)

【特許請求の範囲】[Claims] (1)各々が隣接したマクラギの取付孔に挿入される複
数の立ち上がり部と、これら立ち上 がり部の下部に連設される連結部とからな り、上記各立ち上がり部の上端にはネジ部 が形成され、前記連結部がフック部を有し てなるマクラギ締結用フックボルト。
(1) It consists of a plurality of rising parts, each of which is inserted into the mounting hole of an adjacent sleeper, and a connecting part connected to the lower part of these rising parts, and a threaded part is formed at the upper end of each of the rising parts. A hook bolt for fastening a sleeper, wherein the connecting portion has a hook portion.
(2)連結部が平面略M字状に構成され、立ち上がり部
が前記連結部の両端に連設され、連 結部の略M字形の両山部がフック部を構成 してなる特許請求の範囲(1)記載のマクラギ締結用フ
ックボルト。
(2) A claim in which the connecting portion has a substantially M-shaped planar shape, rising portions are provided in succession at both ends of the connecting portion, and both peaks of the approximately M-shape of the connecting portion constitute a hook portion. (1) Hook bolt for fastening sleepers as described.
JP20568789A 1989-08-10 1989-08-10 Hook bolt for fastening sleeper Pending JPH0369701A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20568789A JPH0369701A (en) 1989-08-10 1989-08-10 Hook bolt for fastening sleeper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20568789A JPH0369701A (en) 1989-08-10 1989-08-10 Hook bolt for fastening sleeper

Publications (1)

Publication Number Publication Date
JPH0369701A true JPH0369701A (en) 1991-03-26

Family

ID=16511044

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20568789A Pending JPH0369701A (en) 1989-08-10 1989-08-10 Hook bolt for fastening sleeper

Country Status (1)

Country Link
JP (1) JPH0369701A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6376763B2 (en) 2000-02-10 2002-04-23 Agency Of Industrial Science And Technology Complex oxide having high seebeck coefficient and high electric conductivity
JP2017082401A (en) * 2015-10-23 2017-05-18 東日本旅客鉄道株式会社 Railroad tie fastener

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6376763B2 (en) 2000-02-10 2002-04-23 Agency Of Industrial Science And Technology Complex oxide having high seebeck coefficient and high electric conductivity
JP2017082401A (en) * 2015-10-23 2017-05-18 東日本旅客鉄道株式会社 Railroad tie fastener

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