JP6019480B2 - Rail fastening shoulder temporary fixing jig - Google Patents

Rail fastening shoulder temporary fixing jig Download PDF

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JP6019480B2
JP6019480B2 JP2012222747A JP2012222747A JP6019480B2 JP 6019480 B2 JP6019480 B2 JP 6019480B2 JP 2012222747 A JP2012222747 A JP 2012222747A JP 2012222747 A JP2012222747 A JP 2012222747A JP 6019480 B2 JP6019480 B2 JP 6019480B2
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rail fastening
case
fastening shoulder
temporary fixing
fixing jig
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JP2014073646A (en
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竜也 増田
竜也 増田
倫彦 笹下
倫彦 笹下
泰志 野中
泰志 野中
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株式会社佐藤工業所
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Description

本発明は、レール締結ショルダーを押圧ローラーによるヘッド部の挟圧で型枠へ仮固定させる治具であって、最適条件での型枠への取り付けが自然に行えるレール締結ショルダーの仮固定治具に関する。   The present invention is a jig for temporarily fixing a rail fastening shoulder to a mold by clamping pressure of a head portion by a pressure roller, and is a jig for temporarily fixing a rail fastening shoulder that can be naturally attached to a mold under optimum conditions. About.

コンクリートまくら木成形型枠の底部に設けられた立込み孔にヘッド部を差し込んで立設されるレール締結ショルダーを仮固定するためのレール締結ショルダーの仮固定治具であり、立込み孔の下方に突出するヘッド部を側方に押し付ける押圧ローラを有して構成されることを特徴とするレール締結ショルダーの仮固定治具は、特許文献１により知られている。   This is a rail fastening shoulder temporary fixing jig for temporarily fixing the rail fastening shoulder that is erected by inserting the head portion into the standing hole provided at the bottom of the concrete sleeper mold, and below the standing hole. A temporary fastening jig for a rail fastening shoulder characterized by having a pressing roller that presses a protruding head portion to the side is known from Patent Document 1.

上記レール締結ショルダーの仮固定治具は、図２示す通り押圧ローラー１０をコイル状スプリング１１を外装した移動ロッドが連結されたローラ受け１０ａに支持させて、筒状ケース７内に収め、この筒状ケース７の前壁に開けられたガイド１３から押圧ローラ１０を外へ出すことで、ローラ受け１０ａを筒状ケース７に設けられたガイド１３に係合させて、筒状ケース７と押圧ローラ１０の関係位置が変化しないようにしてあるが、筒状ケース７の型枠への取り付けは、円形の筒状ケース７の外周を保持プレート１４に開けられた円形の孔１４ａへ嵌合するものであって位置決めの効果が得られないから、押圧ローラ１０がレール締結ショルダーのヘッド部を挟圧するのに最適な位置にあるようにする位置決めは、人手によって時間を掛けて行わなければならなかった。   As shown in FIG. 2, the temporary fixing jig for the rail fastening shoulder is supported in a cylindrical case 7 by supporting a pressing roller 10 on a roller receiver 10a to which a moving rod having a coiled spring 11 sheathed is connected. When the pressing roller 10 is taken out from the guide 13 opened on the front wall of the cylindrical case 7, the roller receiver 10 a is engaged with the guide 13 provided on the cylindrical case 7, so that the cylindrical case 7 and the pressing roller are engaged. Although the relative position of 10 is not changed, the cylindrical case 7 is attached to the mold by fitting the outer periphery of the circular cylindrical case 7 into a circular hole 14a formed in the holding plate 14. However, since the positioning effect cannot be obtained, it takes time to manually position the pressing roller 10 so that the pressing roller 10 is in an optimal position for pinching the head portion of the rail fastening shoulder. It had to be done.

特開２０００−２７１９２３号JP 2000-271923 A

本発明は、押圧ローラーの支持体と、この支持体を嵌合させるケースと、該ケースを嵌合させるように型枠に付設された取付板に開けられた孔を角形とすることで、押圧ローラーをレール締結ショルダーのヘッド部を挟圧させるのに最適な位置に自然に保持することができることを課題としている。   The present invention provides a pressing roller support, a case in which the support is fitted, and a hole formed in a mounting plate attached to the mold so as to fit the case into a square shape. It is an object of the present invention to be able to naturally hold the roller at an optimal position for clamping the head portion of the rail fastening shoulder.

前記課題を解決するため、請求項１に係る発明は、コンクリート枕木を成形する型枠の底板に設けられた挿入孔へ、レール締結ショルダーのヘッド部が挿入されると、このヘッド部に設けられた横孔の両端をコイルスプリングに加圧させた押圧ローラーで挟圧させて仮固定するレール締結ショルダーの仮固定治具であって、この仮固定治具は、上記押圧ローラーを支持する支持体が四角材又は多角材で形成されて、四角筒又は多角筒で形成されたケース内へ嵌合され、このケースは上記型枠の底部に付設された取付板にケースの外形に合わせて開けられた孔へ嵌合止着し、上記押圧ローラーで上記ヘッド部を挟圧することを特徴とする。   In order to solve the above problems, the invention according to claim 1 is provided in the head portion of the rail fastening shoulder when the head portion of the rail fastening shoulder is inserted into the insertion hole provided in the bottom plate of the mold for molding the concrete sleepers. A rail fixing shoulder temporary fixing jig temporarily clamped by pressing with both ends of the horizontal holes pressed by a coil spring, the temporary fixing jig supporting the pressure roller Is formed of a square member or a polygon member, and is fitted into a case formed of a square tube or a polygon tube, and this case is opened on the mounting plate attached to the bottom of the above-mentioned formwork in accordance with the outer shape of the case. The head portion is clamped by the pressing roller, and the head portion is clamped by the pressing roller.

請求項２に係る発明は、請求項１において、上記押圧ローラーの外周が、レール締結ショルダーのヘッド部に開けられた横孔の端部の面取部へ馴染む円弧面に形成されていることを特徴とする。   According to a second aspect of the present invention, in the first aspect, the outer periphery of the pressing roller is formed in an arcuate surface that conforms to the chamfered portion of the end portion of the lateral hole opened in the head portion of the rail fastening shoulder. Features.

請求項３に係る発明は、請求項１において、上記取付板にケースの外形に合わせて開けられた孔が、上記ケースを嵌合させると上記押圧ローラーが内軌側へ若干傾くように開けられていることを特徴とする。   According to a third aspect of the present invention, in the first aspect, the hole formed in the mounting plate in accordance with the outer shape of the case is opened so that the pressing roller is slightly inclined toward the inner gauge side when the case is fitted. It is characterized by.

請求項１に係る発明によれば、押圧ローラーの支持体とケースが角形に形成されて、両者を嵌合させると上記支持体が回り止めされるため、押圧ローラーの設置位置を変化させることがないので、ケースを型枠に付設されている取付板に開けられた孔へ嵌合止着させれば、押圧ローラーがレール締結ショルダーのヘッド部に開けられた横孔の端部の面取部へ押圧力を適切に加え得るように治具の位置付けが自然にできて、作業の省力と能率の増進に寄与するだけでなく、上記取付板に開けられる孔の傾きを変化させて、上記面取部に押圧ローラーが当接される態様を変更することで、押圧力を下押しに内軌側への寄せが伴うものに変更することも可能である。   According to the first aspect of the present invention, the support body of the pressing roller and the case are formed in a square shape, and when the both are fitted, the support body is prevented from rotating, so that the installation position of the pressing roller can be changed. Therefore, if the case is fitted and fixed to the hole opened in the mounting plate attached to the formwork, the chamfered portion of the end of the horizontal hole where the pressing roller is opened in the head portion of the rail fastening shoulder The jig can be positioned naturally so that the pressing force can be applied appropriately, contributing not only to labor saving and efficiency improvement, but also to change the inclination of the hole drilled in the mounting plate. By changing the manner in which the pressing roller is brought into contact with the grip portion, it is possible to change the pressing force to a downward pressing force that is accompanied by the approach to the inner gauge side.

請求項２に係る発明によれば、上記押圧ローラーが周面でレール締結ショルダーのヘッド部に開けられた横穴の端部の面取部を押圧するとき、押圧ローラーの外周面は上記面取部と線接触して押圧力を上記ヘッドへ有効に伝達するため、レール締結ショルダー治具の確実で安定した型枠への仮固定が可能である。   According to the invention which concerns on Claim 2, when the said press roller presses the chamfering part of the edge part of the horizontal hole opened in the head part of the rail fastening shoulder by the surrounding surface, the outer peripheral surface of a pressing roller is the said chamfering part. In this case, the rail fastening shoulder jig can be temporarily fixed to the mold securely and stably.

請求項３に係る発明によれば、上記取付板に開けられた孔へケースを嵌合させると、押圧ローラーが内軌側へ傾けられて、レール締結ショルダーのへのヘッド部に開けられた横孔の端部の面取部へ斜めに当り、上記ショルダーのヘッド部を下方へ押し下げる作用と、内軌側へ寄せる作用の両方を行うから、従来必要とした内軌側ヘの寄せ手段を省くことが可能となる。   According to the invention of claim 3, when the case is fitted into the hole opened in the mounting plate, the pressing roller is inclined toward the inner track side, and the lateral opening opened in the head portion toward the rail fastening shoulder. Since it acts both diagonally against the chamfered portion at the end of the hole and pushes down the head portion of the shoulder and moves toward the inner track, it eliminates the conventionally required approach to the inner track. It becomes possible.

本発明に係るレール締結ショルダーの仮固定治具を型枠へ設置した態様を示す縦断側面図The longitudinal side view which shows the aspect which installed the temporary fixing jig of the rail fastening shoulder which concerns on this invention to the formwork 同上仮固定治具の押圧ローラーが垂直線と一致するように設置された縦断正面図Vertical front view where the pressing roller of the temporary fixing jig is installed to match the vertical line 同上押圧ローラーが垂直線に対して内軌側へ若干傾くように配置された縦断正面図A longitudinal front view in which the pressing roller is arranged so that it slightly tilts toward the inner gauge side with respect to the vertical line. 同上治具を構成する各部品の形状を示す斜視図The perspective view which shows the shape of each component which comprises a jig same as the above. 同上の各部品を組み立てて形成されたレール締結ショルダーの仮固定治具の拡大縦断側面図Enlarged vertical side view of the rail fastening shoulder temporary fixing jig formed by assembling the above parts 同上治具の取付板がケースを嵌合させる孔を垂直線と一致するように開けられた状態の説明図Explanatory drawing of the state where the mounting plate of the jig same as above was opened so that the hole for fitting the case coincided with the vertical line 同上治具の取付板がケースを嵌合させる孔を垂直線に対して若干内軌側へ傾くように形成された説明図Explanatory drawing in which the mounting plate of the jig is formed so that the hole for fitting the case is slightly inclined to the inner gauge side with respect to the vertical （ａ）（ｂ）（ｃ）（ｄ）は、上記ケースを嵌合する孔を垂直線に対する傾き角を異ならせるように開けられた複数種類の補助板を示す説明図(A) (b) (c) (d) is explanatory drawing which shows the multiple types of auxiliary | assistant board opened so that the inclination angle with respect to a perpendicular line may differ in the hole which fits the said case.

以下に本発明に係るレール締結ショルダーの仮固定治具の実施形態を図面に付いて説明する。   Embodiments of a rail fastening shoulder temporary fixing jig according to the present invention will be described below with reference to the drawings.

図１〜図３、図５において符号Ａは、本発明に係るレール締結ショルダーの仮固定治具の実施形態を示すものであり、この仮固定治具Ａは、コンクリート枕木１を成形させる型枠２の底部３に開けられた挿入孔４へ、レール締結ショルダー５のヘッド部６が挿入さ
れると、このヘッド部６に開けられた横孔７の両端に施された面取部８を、コイルスプリング９、９で加圧される一対の押圧ローラー１０、１０で両側から挟圧させて型枠２への仮固定を行わせるものである。 1 to 3 and FIG. 5, symbol A shows an embodiment of a rail fastening shoulder temporary fixing jig according to the present invention. The temporary fixing jig A is a formwork for forming a concrete sleeper 1. When the head portion 6 of the rail fastening shoulder 5 is inserted into the insertion hole 4 opened in the bottom portion 3 of the chamfer 2, the chamfered portions 8 applied to both ends of the lateral hole 7 opened in the head portion 6 are The pair of pressing rollers 10 and 10 which are pressed by the coil springs 9 and 9 are clamped from both sides and temporarily fixed to the mold 2.

上記押圧ローラー１０の支持体１１は、図４においては四角材を用いて内側（図では左側）に、一対の軸受１２、１２が上下方向へ形成されて、これら軸受１２、１２の間には軸１３で押圧ローラー１０が取り付けられ、後側（図では右側）には、点線で示すようにスプリング室１４が後方へ開口するように形成される。そして、このスプリング室１４の内部中央には、コイルスプリング９の案内軸１５が、元側を図５に示す通りねじ１６で壁１７へ止着され、先端側は後方を張り出すように取り付けられて、この案内軸１５の先端部には、止め輪付きの調整ナット１８を螺合させるおねじ１９が形成されている。   In FIG. 4, the support 11 of the pressing roller 10 is formed of a pair of bearings 12, 12 in the vertical direction on the inner side (left side in the figure) using a square member, and between the bearings 12, 12. The pressing roller 10 is attached to the shaft 13, and the spring chamber 14 is formed on the rear side (right side in the drawing) so as to open backward as indicated by a dotted line. In the center of the spring chamber 14, the guide shaft 15 of the coil spring 9 is fixed to the wall 17 with a screw 16 as shown in FIG. A male screw 19 is formed at the tip of the guide shaft 15 for screwing an adjusting nut 18 with a retaining ring.

上記押圧ローラー１０は、周面を図１に示す通りレール締結ショルダー５のヘッド部６が横方向に開けられている横孔７の端部に施された面取部８へ当接して押圧を行わせるので、周面が上記面取部８へなるべく線接触して、効果的な押圧を行えるように円弧断面（図４参照）に形成されていて、磨耗を防止させるため焼入れ処理が施されている。   As shown in FIG. 1, the pressing roller 10 abuts against the chamfered portion 8 provided at the end of the lateral hole 7 in which the head portion 6 of the rail fastening shoulder 5 is opened in the lateral direction. Therefore, the circumferential surface is in line contact with the chamfered portion 8 as much as possible, and is formed in an arc cross section (see FIG. 4) so that effective pressing can be performed, and a quenching process is performed to prevent wear. ing.

上記支持体１１を嵌合させるケース２０は、図２、図４においては、内部へ上記支持体１１が収まるように四角筒を用いて形成され、後側にはコイルスプリング９の後端を当接させる蓋板２１が取り付けられ、この蓋板２１は中心部に開けられた孔２２から上記コイルスプリング９の案内軸１５を後方へ張り出させる。そして、このケース２０は、図１に示す通り上記型枠２の底部３の下側にレール締結ショルダー５のヘッド部６を鋏むにように付設されている一対の取付板２３、２３へ取り付けるには、上記取付板２３、２３へケース２０の外形に合わせた孔２４、２４を開け、これらの孔２４、２４へケース２０、２０を嵌合させて、上記押圧ローラー１０、１０がレール締結ショルダー５のヘッド部６に適切な挟圧力を加え得るように位置付けされるから、図１に示す通り取付板２３へ溶接２５で止着するか、図４において鎖線で示す通りケース２０の外側にフランジ２６を付設して、このフランジ２６を複数開けられた孔２７に通したねじ２８で取付板２３へ止着するかして取り付ける。   2 and 4, the case 20 for fitting the support 11 is formed using a square tube so that the support 11 can be accommodated therein, and the rear end of the coil spring 9 is applied to the rear side. A lid plate 21 to be contacted is attached, and this lid plate 21 projects the guide shaft 15 of the coil spring 9 rearward from a hole 22 opened in the center. 1, the case 20 is attached to a pair of mounting plates 23, 23 attached so as to sandwich the head portion 6 of the rail fastening shoulder 5 below the bottom portion 3 of the mold 2 as shown in FIG. In the mounting plates 23, 23, holes 24, 24 are formed according to the outer shape of the case 20, and the cases 20, 20 are fitted into these holes 24, 24 so that the pressing rollers 10, 10 are fastened to the rail. Since the head 6 of the shoulder 5 is positioned so as to apply an appropriate clamping force, it is fixed to the mounting plate 23 by welding 25 as shown in FIG. 1 or outside the case 20 as shown by a chain line in FIG. A flange 26 is provided, and the flange 26 is fixedly attached to the mounting plate 23 with screws 28 passed through a plurality of holes 27 formed therein.

なお、上記ケース２０を取り付ける取付板２３は、上記型枠２に付設されている補強リブ（図面省略）が、該ケース２０の取り付けに適した位置に設置されている場合は、この補強リブを取付板２３に利用して孔２４を開け、この孔２４に上記ケース２０を嵌合させるようにするとよい。   The mounting plate 23 to which the case 20 is attached is provided with a reinforcing rib (not shown) attached to the mold 2 at a position suitable for mounting the case 20. A hole 24 may be formed using the mounting plate 23 and the case 20 may be fitted into the hole 24.

又、上記ケース２０は、内部で押圧ローラー１０の支持体１１を進退移動させるものであるから、上記動作を円滑に行わせるため図４に示す通り蓋板２１か、ケース２０の外周の適所に、グリース等の潤滑剤を注入する孔２９を必要数開けて、ケース２０内の各所へ上記潤滑剤がむらなく供給されるようにする。   Further, since the case 20 moves the support 11 of the pressure roller 10 forward and backward, the cover 20 is placed at an appropriate position on the outer periphery of the case plate 21 as shown in FIG. The necessary number of holes 29 for injecting a lubricant such as grease are formed so that the lubricant is uniformly supplied to various locations in the case 20.

上記取付板２３にケース２０を嵌合させるために開けられた上記孔２４は、図６に示す
通り縦辺ａを垂直線Ｘ−Ｘと一致するよう開けられた場合は、ケース２０を嵌合させると押圧ローラ１０が、図２に矢印で示す通りレール締結ショルダー５のヘッド部６に開けられた横孔７の端部の面取部８へ下向きの押し下げ力を作用させるのみであって、レール締結ショルダー５をレールの内側間隔が揃えられるように内軌側へ寄せる作用は果さない。そこで、外軌側に図２に示す通り押しねじ３０を設け、この押しねじ３０でレール締結ショルダー５を内軌側へ押させるようにするか、図２の円内に示す通り板スプリング３１か、図面には示してないコイルスプリングで加圧されたローラー３２を配置して、このローラ３２でレール締結ショルダー５を内軌側へ押させるようにしている。 The hole 24 opened for fitting the case 20 to the mounting plate 23 fits the case 20 when the vertical side a is opened to coincide with the vertical line XX as shown in FIG. Then, the pressing roller 10 only applies a downward pressing force to the chamfered portion 8 at the end of the lateral hole 7 opened in the head portion 6 of the rail fastening shoulder 5 as indicated by an arrow in FIG. There is no effect of moving the rail fastening shoulder 5 toward the inner track side so that the inner spacing of the rails is aligned. Therefore, a push screw 30 is provided on the outer gauge side as shown in FIG. 2, and the push screw 30 is used to push the rail fastening shoulder 5 toward the inner gauge side, or a leaf spring 31 as shown in the circle of FIG. A roller 32 pressed by a coil spring not shown in the drawing is arranged so that the rail fastening shoulder 5 is pushed to the inner track side by this roller 32.

しかし、上記取付板２３に開けられたケース２０を嵌合させる孔２４を、図７に示す通り垂直線Ｘ−Ｘに対して内軌側へ若干の傾き角θで開けておくと、この孔２４にケース２０を嵌合させることにより、押圧ローラー１０が図３に示す通りθの傾き角で、締結ショルダー５のヘッド部６に開けられた横孔７の端部の面取部８へ当接し、上記ヘッド部６に図３に矢印で示す通り下方への押し下げ力と内軌側への寄せ力を作用させるから、押圧ローラー１０単独でレール締結ショルダー５を内軌側へ寄せ付けながら型枠２の底部へ圧接して、理想的な治具Ａの仮固定を確実に行うことができる。   However, if the hole 24 into which the case 20 opened in the mounting plate 23 is fitted is opened at a slight inclination angle θ to the inner gauge side with respect to the vertical line XX as shown in FIG. 24, the pressing roller 10 is brought into contact with the chamfered portion 8 at the end of the lateral hole 7 opened in the head portion 6 of the fastening shoulder 5 at an inclination angle of θ as shown in FIG. 3, a downward pressing force and an approaching force toward the inner rail are applied to the head portion 6 as indicated by an arrow in FIG. 3. Thus, the temporary fixing of the ideal jig A can be performed reliably.

なお、上記の通り型枠２の底板３に取り付けられた取付板２３に孔２４を直接開けて、上記孔２４にケース２０を嵌合させるようにした場合は、成形する枕木の変更、その他で孔２４の傾き角を変更する必要があるときは、その都度、取付板２３を交換しなければならなくなるから、このようなときは、図７（ａ）（ｂ）（ｃ）（ｄ）に示す通り、ケース２０を嵌める孔２４を異なる傾き角で開けられたた複数種類の補助板３３ａ、３３ｂ、３３ｃ、３３ｄを準備して、取付板２３の孔２４はケース２０が緩く嵌る大きさにしておけば、上記補助板３３ａ〜３３ｄを取付板２３へ付け替えることで、孔２４の傾き角を複数種類に変更することが容易にできる。   In addition, when the hole 24 is directly drilled in the mounting plate 23 attached to the bottom plate 3 of the mold 2 as described above and the case 20 is fitted in the hole 24, the sleeper to be molded is changed, and the like. When it is necessary to change the inclination angle of the hole 24, the mounting plate 23 must be replaced each time. In such a case, as shown in FIGS. 7 (a), (b), (c), and (d). As shown in the drawing, a plurality of types of auxiliary plates 33a, 33b, 33c, and 33d in which holes 24 for fitting the case 20 are opened at different inclination angles are prepared, and the holes 24 of the mounting plate 23 are sized so that the case 20 fits loosely. In this case, by changing the auxiliary plates 33a to 33d to the mounting plate 23, the inclination angle of the hole 24 can be easily changed to a plurality of types.

上記の通り構成されるレール締結ショルダーの仮固定治具Ａは、角材で形成された押圧ローラー１０の支持体１１に、一対の軸受１２、１２へ軸１３で押圧ローラー１０を取り付けてから、スプリング室１４内にコイルスプリング９の案内軸１５を取り付けて、この案内軸１５にコイルスプリング９を外装させ、該支持体１１を四角筒で形成して、後側に蓋板２１を取り付けられたケース２０内へ嵌合し、蓋板２１に開けられた孔２２から後側へ案内軸１５を張り出させて、後側に設けられたおねじ１９へ止め輪付きの調整ナット１８を螺合させれば、押圧ローラ１がケース２０内を進退作動するだけで回ることがない仮固定治具Ａが簡単に安価に製作される。   The rail fastening shoulder temporary fixing jig A configured as described above is the spring 11 after the pressing roller 10 is attached to the pair of bearings 12 and 12 with the shaft 13 on the support 11 of the pressing roller 10 formed of square bar. A case in which a guide shaft 15 of a coil spring 9 is attached in the chamber 14, the coil spring 9 is externally mounted on the guide shaft 15, the support 11 is formed of a square cylinder, and a lid plate 21 is attached to the rear side. 20, the guide shaft 15 is projected rearward from the hole 22 formed in the cover plate 21, and the adjusting nut 18 with a retaining ring is screwed to the male screw 19 provided on the rear side. Then, the temporary fixing jig A in which the pressing roller 1 does not rotate only by moving forward and backward in the case 20 can be easily manufactured at low cost.

上記レール締結ショルダーの仮固定治具Ａを型枠２へ取り付けるには、型枠２の底部３に付設されている一対の取付板２３、２３が、上記ケース２０の外形に合わせて形成された孔２４、２４へ、仮固定治具Ａのケース２０、２０を嵌合して、押圧ローラー１０、１０が上記レール締結ショルダー５のヘッド部６に開けられた横孔７の端部へ少し入り込む位置で止めて、ケース２０を取付板２３、２３へ図１のように溶接２５か、図４に示す通りフランジを取り付けてねじ２８等で止着すれば、コイルスプリング９で加圧された押圧ローラー１０が、レール締結ショルダー５のヘッド部６に開けられた横孔７の端部の面取部８の下側を、両側から図２のように下側だけか、図３のように下側と横側の両方を押圧するように仮固定治具Ａを位置決めすることが自然にできる。   In order to attach the rail fastening shoulder temporary fixing jig A to the mold 2, a pair of attachment plates 23, 23 attached to the bottom 3 of the mold 2 are formed in accordance with the outer shape of the case 20. The cases 20 and 20 of the temporary fixing jig A are fitted into the holes 24 and 24 so that the pressing rollers 10 and 10 slightly enter the end of the lateral hole 7 opened in the head portion 6 of the rail fastening shoulder 5. If the case 20 is fixed at the position and the case 20 is attached to the mounting plates 23 and 23 by welding 25 as shown in FIG. 1 or a flange as shown in FIG. The roller 10 has the lower side of the chamfered portion 8 at the end of the lateral hole 7 opened in the head portion 6 of the rail fastening shoulder 5 from the lower side only as shown in FIG. 2, or as shown in FIG. Position the temporary fixing jig A so that it presses both the side and side Mesuru it can be naturally.

なお、このレール締結ショルダーの仮固定治具Ａは、案内軸１５の先端部に設けられたおねじ１９に螺合させた調整ナット１８を止め輪付きとしてあっても、このナット１８へ作業者や機材等が触れることがあると、調整ナット１８が動かされて押圧力の変化を生じさせ、仮固定の機能を変化を起こさせる恐れがあるから、仮固定治具Ａに図１に鎖線で示す通りに保護カバー３４を付設して、他物の接触等を防止して安全を確保するようにする。 The rail fastening shoulder temporary fixing jig A is provided with an adjustment nut 18 screwed into a male screw 19 provided at the tip of the guide shaft 15 with a retaining ring. If there is any contact with equipment or equipment, the adjustment nut 18 may be moved, causing a change in pressing force and causing a change in the function of temporary fixing. As shown, a protective cover 34 is attached to prevent contact with other objects and ensure safety.

本発明に係るレール締結ショルダーの仮固定治具は、コンクリート枕木を成形する型枠に採用することで、成形作業の能率が増進されて製品のコストダウン効果を期待することができる。   The rail fastening shoulder temporary fixing jig according to the present invention is used in a mold for molding concrete sleepers, so that the efficiency of the molding operation is improved and the cost reduction effect of the product can be expected.

Ａ レール締結ショルダーの仮固定治具
２ 型枠
３ 型枠の底部
４ 底部に開けられた挿入口
５ レール締結ショルダー
６ レール締結ショルダーのヘッド部
７ ヘッドに開けられた横孔
８ 横孔の端部に施された面取部
９ コイルスプリング
１０ 押圧ローラー
１１ 押圧ローラーの支持体
２０ 支持体を嵌合するケース
２３ ケースの取付板
２４ 取付板に開けられた孔 A Rail Temporary Shoulder Temporary Fixing Jig 2 Mold 3 Bottom of Mold 4 Insertion Opened at Bottom 5 Rail Fastening Shoulder 6 Rail Fastening Shoulder Head 7 Horizontal Hole Opened at Head 8 End of Horizontal Hole 9 Coil spring 10 Pressing roller 11 Pressing roller support body 20 Case for fitting the supporting body 23 Case mounting plate 24 Hole formed in the mounting plate

Claims (3)

コンクリート枕木を成形する型枠の底板に設けられた挿入孔へ、レール締結ショルダーのヘッド部が挿入されると、このヘッド部に設けられた横孔の両端を、コイルスプリングに加圧させた押圧ローラーで挟圧させて仮固定するレール締結ショルダーの仮固定治具であって、
この仮固定治具は、上記押圧ローラーを支持する支持体が四角材又は多角材で形成されて、四角筒又は多角筒で形成されたケース内へ嵌合され、
このケースは上記型枠の底部に付設された取付板にケースの外形に合わせて開けられた孔へ嵌合止着し、
上記押圧ローラーで上記ヘッド部を挟圧する
ことを特徴とするレール締結ショルダーの仮固定治具。 When the head part of the rail fastening shoulder is inserted into the insertion hole provided in the bottom plate of the formwork forming the concrete sleeper, the both ends of the horizontal hole provided in the head part are pressed by the coil spring. A rail fastening shoulder temporary fixing jig temporarily clamped by a roller,
In this temporary fixing jig, the support body that supports the pressing roller is formed of a square member or a polygon member, and is fitted into a case formed of a square tube or a polygon tube,
This case is fitted and fastened to a hole formed in the mounting plate attached to the bottom of the above-mentioned formwork according to the outer shape of the case,
A rail fastening shoulder temporary fixing jig, wherein the head portion is clamped by the pressing roller. 上記押圧ローラーの外周が、レール締結ショルダーのヘッド部に開けられた横孔の端部の面取部へ馴染む円弧面に形成されている
ことを特徴とする請求項１に記載のレール締結ショルダーの仮固定治具。 2. The rail fastening shoulder according to claim 1, wherein an outer periphery of the pressing roller is formed in an arc surface that conforms to a chamfered portion of an end portion of a horizontal hole opened in a head portion of the rail fastening shoulder. Temporary fixing jig. 上記取付板にケースの外形に合わせて開けられた孔が、上記ケースを嵌合させると上記押圧ローラーが内軌側へ若干傾くように開けられている
ことを特徴とする請求項１に記載のレール締結ショルダーの仮固定治具。 2. The hole according to claim 1, wherein the hole formed in the mounting plate according to the outer shape of the case is opened so that the pressing roller is slightly inclined toward the inner track when the case is fitted. Temporary fixing jig for rail fastening shoulder.
JP2012222747A 2012-10-05 2012-10-05 Rail fastening shoulder temporary fixing jig Active JP6019480B2 (en)

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0541848Y2 (en) * 1988-04-25 1993-10-22
JP2000117725A (en) * 1998-10-15 2000-04-25 Toda Kogyo Kk Fastening device of rail fitting to form for concrete sleeper
JP2000271923A (en) * 1999-03-23 2000-10-03 Nippon Kogen Concrete Co Ltd Temporary fixing jig for rail clamping shoulder
JP4494657B2 (en) * 2001-02-06 2010-06-30 株式会社佐藤工業所 Implanting member fixing device
JP3106997U (en) * 2004-08-03 2005-01-27 戸田工業株式会社 Concrete sleeper formwork
JP4510555B2 (en) * 2004-09-01 2010-07-28 戸田工業株式会社 Rail mounting bracket fastening device

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