JPH0541848Y2 - - Google Patents
Info
- Publication number
- JPH0541848Y2 JPH0541848Y2 JP5614488U JP5614488U JPH0541848Y2 JP H0541848 Y2 JPH0541848 Y2 JP H0541848Y2 JP 5614488 U JP5614488 U JP 5614488U JP 5614488 U JP5614488 U JP 5614488U JP H0541848 Y2 JPH0541848 Y2 JP H0541848Y2
- Authority
- JP
- Japan
- Prior art keywords
- rail mounting
- mounting bracket
- formwork
- engaging members
- biasing
- 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
- 238000009415 formwork Methods 0.000 claims description 75
- 238000003780 insertion Methods 0.000 claims description 33
- 230000037431 insertion Effects 0.000 claims description 33
- 241001669679 Eleotris Species 0.000 claims description 20
- 230000005489 elastic deformation Effects 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Moulds, Cores, Or Mandrels (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、コンクリート製の枕木に埋設される
レール取付金具の型枠に対する締結装置に関する
ものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a fastening device for a formwork of a rail mounting fitting embedded in a concrete sleeper.
上記のレール取付金具は、アンカー部と型枠内
面に対する当接部、及び、レール押え具を挿通さ
せるための挿通孔を備えており、１本のレールを
支持するコンクリート枕木においては、当該レー
ル取付金具の２個一対がコンクリート枕木に埋設
され、２本のレールを支持するコンクリート枕木
においては、当該レール取付金具の２個一対の２
組がコンクリート枕木に埋設される。
The above-mentioned rail mounting bracket is equipped with an anchor part, a contact part against the inner surface of the formwork, and an insertion hole for inserting the rail holding tool. In the case of a concrete sleeper in which two pairs of metal fittings are buried in a concrete sleeper to support two rails, two pairs of two metal fittings are buried in the concrete sleeper to support two rails.
The sets are buried in concrete sleepers.
かかるレール取付金具をコンクリート枕木に埋
設させるに際して、該レール取付金具をコンクリ
ート枕木用型枠に締結させるのに従来は、第９図
に示すように、複数個のコンクリート枕木用型枠
５１…を所定間隔を隔てて巾方向に並設する一
方、該型枠５０の各底板部５２に形成された長手
方向で隣る２個（図面では１個だけが示されてい
る。）の開口部５３に、夫々レール取付金具５４
のレール押え具挿通孔５５を型枠下方に突出させ
た状態で挿入し、そして、レール取付金具５４の
両側に対応する部位に偏心カム体５６を備えた回
転操作軸５７を、型枠５１の巾方向で隣るレール
取付金具５４群のレール押え具挿通孔５５…に挿
通させて、当該操作軸５７を回転させることで、
型枠下面を反力点にするカム作用で前記レール取
付金具５４を型枠下方に付勢突出させた状態で型
枠５１に締結させていた。図示しないが、一つの
型枠５１ごとに偏心カム体５６を備えた１本の短
い回転操作軸５７を装備させてコンクリート枕木
を１本ずつ成形するようにしたものもある。 When embedding such rail attachment fittings in concrete sleepers, conventionally, in order to fasten the rail attachment fittings to the concrete sleeper formwork, as shown in FIG. 9, a plurality of concrete sleeper formworks 51... They are arranged in parallel in the width direction at intervals, and are formed in two longitudinally adjacent openings 53 (only one is shown in the drawing) formed in each bottom plate part 52 of the formwork 50. , each rail mounting bracket 54
The rail holding tool insertion hole 55 of the formwork is inserted into the formwork with it protruding downward, and the rotary operation shaft 57 equipped with an eccentric cam body 56 at a position corresponding to both sides of the rail mounting bracket 54 is inserted into the formwork 51. By inserting it into the rail presser insertion hole 55 of the rail mounting bracket 54 group adjacent in the width direction and rotating the operating shaft 57,
The rail mounting bracket 54 was fastened to the formwork 51 in a state in which it was forced to protrude downward from the formwork by a cam action that made the lower surface of the formwork a point of reaction force. Although not shown, there is also one in which each formwork 51 is equipped with one short rotary operation shaft 57 equipped with an eccentric cam body 56, so that concrete sleepers can be formed one by one.
尚、前記開口部５３は、１本レール用のコンク
リート枕木用型枠には２個を一対にして１組設け
られ、２本レール用のコンクリート枕木用型枠に
は２個を一対にして２組設けられるが、以下２本
レール用の型枠を対象にして説明する。 In addition, the openings 53 are provided in a pair of two in the concrete sleeper formwork for one rail, and two in a pair in the concrete sleeper formwork for two rails. The following explanation will focus on a formwork for two rails.
上記の構成によれば、型枠５１の上方からレー
ル取付金具５４をセツトした状態で、型枠５１の
横側方から前記操作軸５７をレール取付金具５４
の挿通孔５５に挿通する作業が面倒であり、作業
性が悪かつた。
According to the above configuration, with the rail mounting bracket 54 set from above the formwork 51, the operating shaft 57 is connected to the rail mounting bracket 54 from the lateral side of the formwork 51.
The operation of inserting the tube through the insertion hole 55 was troublesome, and the workability was poor.
殊に、図示したように、複数個のコンクリート
枕木用型枠５１にセツトされた型枠長手方向で４
組のレール取付金具５４群を、該型枠５１に対し
て一挙に付勢保持させるようにした締結装置にお
いては、長尺の前記操作軸５７を前記４組のレー
ル取付金具５４群の挿通孔５５…に挿通させる作
業が極めて煩わしく、かつ、該長尺の操作軸５７
を挿脱操作するための広い操作スペースを要し、
その上、レール取付金具５４の製作誤差や型枠５
１の歪み等によつて、前記複数個のレール取付金
具５４の個々をガタツキなく所定通りに型枠５１
に付勢保持させることが困難で、レール取付金具
締結の確実性に欠ける点で改善の余地があつた。 In particular, as shown in the figure, four forms are set in the formwork 51 for concrete sleepers in the longitudinal direction.
In a fastening device that urges and holds the rail mounting brackets 54 of the four sets against the formwork 51 at once, the long operating shaft 57 is inserted into the insertion hole of the four rail mounting brackets 54 groups. 55... is extremely troublesome, and the long operation shaft 57...
It requires a large operation space to insert and remove the
Moreover, manufacturing errors in the rail mounting bracket 54 and formwork 5
1, each of the plurality of rail mounting brackets 54 may be fixed to the formwork 51 as specified without wobbling due to distortion or the like.
There was room for improvement in that it was difficult to maintain the bias and the reliability of fastening the rail mounting bracket was lacking.
本考案は、上記従来の欠点を解消した使用面で
有用なるレール取付金具の締結装置を提供するこ
とを目的としている。 An object of the present invention is to provide a fastening device for a rail mounting bracket that is useful in terms of use and eliminates the above-mentioned conventional drawbacks.
上記の目的を達成するために本考案が講じた技
術的手段は次の通りである。即ち、本考案による
コンクリート枕木用型枠に対するレール取付金具
の締結装置は、コンクリート枕木用型枠の底板部
に形成された長手方向で隣る２個の開口部に、
夫々レール取付金具を、該レール取付金具に形成
されたレール押え具挿通孔が前記底板部よりも下
方に突出し且つレール取付金具の一部が前記底板
部上面に当接した状態に挿入して、当該レール取
付金具を前記型枠に締結させるためのレール取付
金具の締結装置であつて、前記型枠における底板
部の下方に、前記挿通孔の端部に係合する係合部
材と該係合部材を係合方向に向けて付勢させるス
プリングから成る付勢係合部材を、前記各開口部
の型枠巾方向両側に相対向させて配置すると共
に、型枠長手方向で隣る２個の開口部の一側に位
置する付勢係合部材同士、及び、開口部他側に位
置する付勢係合部材同士を夫々対して連結し、か
つ、該付勢係合部材対を互いに接近させて、前記
スプリングの弾性変形下で前記係合部材を前記挿
通孔の両端部に係合させて前記レール取付金具を
下方に付勢された状態に締結する作用状態と、前
記付勢係合部材対を互いに離間させて、前記開口
部からの前記レール取付金具の抜け出しを許容す
る非作用状態とに、切り換えるための切り換え機
構を設けてあることを特徴としている。
The technical measures taken by the present invention to achieve the above objectives are as follows. That is, the fastening device for the rail attachment fittings to the formwork for concrete sleepers according to the present invention has two longitudinally adjacent openings formed in the bottom plate of the formwork for concrete sleepers.
Inserting each rail mounting bracket into a state in which a rail presser insertion hole formed in the rail mounting bracket projects below the bottom plate part and a part of the rail mounting bracket is in contact with the upper surface of the bottom plate part, A fastening device for a rail mounting bracket for fastening the rail mounting bracket to the formwork, wherein an engagement member that engages with an end of the insertion hole is provided below a bottom plate portion of the formwork; A biasing engagement member consisting of a spring that biases the member in the engagement direction is disposed opposite to each other on both sides of each opening in the width direction of the mold, and two adjacent members in the longitudinal direction of the mold The biasing engaging members located on one side of the opening and the biasing engaging members located on the other side of the opening are connected to each other, and the pair of biasing engaging members are brought close to each other. an operating state in which the engaging member is engaged with both ends of the insertion hole under elastic deformation of the spring to fasten the rail mounting bracket in a downwardly biased state; and the biasing engaging member The present invention is characterized in that a switching mechanism is provided for switching to a non-operating state in which the pair are separated from each other and the rail attachment fitting is allowed to come out of the opening.
尚、巾方向に並設された複数本のコンクリート
枕木用型枠の各底板部に夫々上記付勢係合部材を
設け、型枠長手方向で隣る２個の開口部の一側に
位置する付勢係合部材同士、及び開口部他側に位
置する付勢係合部材同士を夫々対にして連結し、
複数本の型枠に対応する複数個の付勢係合部材対
を互いに接近させて、前記スプリングの弾性変形
下で前記係合部材を前記挿通孔の両端部に係合さ
せて前記レール取付金具を下方に付勢された状態
に締結する作用状態と、前記付勢係合部材対を互
いに離間させて、前記開口部からの前記レール取
付金具の抜け出しを許容する非作用状態とに、切
り換えるための切り換え機構を設けることがより
効果的である。 In addition, the above-mentioned biasing engagement member is provided on each bottom plate portion of a plurality of formworks for concrete sleepers arranged in parallel in the width direction, and is located on one side of two openings adjacent in the longitudinal direction of the formwork. Connecting the biasing engagement members and the biasing engagement members located on the other side of the opening in pairs, respectively;
A plurality of pairs of biasing engagement members corresponding to a plurality of formworks are brought close to each other, and the engagement members are engaged with both ends of the insertion hole under elastic deformation of the spring to attach the rail mounting bracket. and a non-operative state in which the pair of biasing engagement members are separated from each other and the rail mounting bracket is allowed to come out from the opening. It is more effective to provide a switching mechanism.
上記の特徴構成によれば、上記付勢係合部材対
を非作用状態にして型枠開口部にレール取付金具
をセツトし、前記付勢係合部材対を作用状態に切
り換えることで、前記型枠長手方向で２個一対の
レール取付金具が型枠開口部に締結される。
According to the above characteristic configuration, the pair of biasing engagement members is set in the opening of the formwork with the pair of biasing engagement members in the non-operating state, and the pair of biasing engaging members is switched to the active state. A pair of rail attachment fittings are fastened to the formwork opening in the longitudinal direction of the frame.
脱型にあたつては、付勢係合部材対を非作用状
態に切り換えるため、レール取付金具の締結が確
実かつ強固に行われるようにスプリング力を強く
設定してあつても、前記型枠開口部からのレール
取付金具の抜き出しが簡易に行え、延いては、型
枠からのコンクリート枕木の脱型を容易に行える
のである。 During demolding, in order to switch the biasing engagement member pair to a non-operating state, even if the spring force is set strong so that the rail mounting bracket is securely and firmly fastened, the mold The rail mounting fittings can be easily extracted from the opening, and the concrete sleepers can also be easily removed from the formwork.
殊に、巾方向に並設された複数本のコンクリー
ト枕木用型枠の各底板部に夫々上述した付勢係合
部材対を設けて、これらを共通の切り換え機構で
操作するようにした場合は、型枠巾方向で複数個
の付勢係合部材対が一挙に作用状態と非作用状態
とに切り換えられることになる。そして作用状態
においては、付勢係合部材のスプリングが弾性変
形下にあるので、複数の型枠に対してレール取付
金具が確実に締結される。 In particular, when the above-mentioned pairs of biasing engagement members are provided on each bottom plate of a plurality of concrete sleeper formworks arranged in parallel in the width direction, and these are operated by a common switching mechanism. , a plurality of pairs of biasing engaging members are switched between the active state and the non-active state at once in the form width direction. In the operating state, the spring of the biasing engagement member is under elastic deformation, so that the rail mounting bracket is securely fastened to the plurality of formworks.
以下、本考案の実施例を図面に基づいて説明す
る。
Hereinafter, embodiments of the present invention will be described based on the drawings.
第１図は複数本のコンクリート枕木の製造装置
を示し、１はフレーム枠、２は前記フレーム枠１
の上枠１ａに架設されたコンクリート枕木用型枠
２で、巾方向に複数本並設されている。 FIG. 1 shows a manufacturing apparatus for a plurality of concrete sleepers, 1 is a frame frame, 2 is the frame frame 1
A plurality of formworks 2 for concrete sleepers are installed in the upper frame 1a and are arranged in parallel in the width direction.
前記コンクリート枕木用型枠２は、第２図に示
すように、底板部３の巾方向両側に側板部４，４
を立ち上げ連設すると共に、該両板部３，４，４
の長手方向両端側（一端側のみを示す。）に端面
板部５をフランジ連結し、かつ、該端面板部５に
ストレス導入用のアンボンドPC鋼線ａ…を保持
させると共に、前記底板部３の長手方向両側に長
手方向で隣る２個一対の２組（図面では１組）の
開口部６，６を形成し、そして、前記端面板部５
と側板部４，４の上縁部に架設用フランジ７を設
けて成る。尚、図中の８，８は、前記開口部６，
６の三方に付設したシール部材である。 As shown in FIG.
are set up and connected, and both plate parts 3, 4, 4
An end plate 5 is flanged to both ends in the longitudinal direction (only one end is shown), and the end plate 5 holds an unbonded PC steel wire a for introducing stress, and the bottom plate 3 Two sets (one set in the drawing) of two openings 6, 6 adjacent to each other in the longitudinal direction are formed on both sides in the longitudinal direction of the end plate part 5.
An erection flange 7 is provided at the upper edge of the side plate parts 4, 4. In addition, 8 and 8 in the figure are the openings 6,
These are seal members attached to three sides of 6.
第１図に戻つて及び第２図において、９はレー
ル取付金具で、該シール取付金具９は、アンカー
部１０と開口部６まわりの型枠内面に当接する当
接部１１、及び、レール押え具挿通孔ｂが形成さ
れた挿通孔部１２から成り、前記当接部１１を型
枠内面に当接させた状態で前記挿通孔部１２が型
枠内部側から前記開口部６，６に挿入されてい
る。尚、前記２個の開口部６，６に対するレール
取付金具９の挿入下において、前記レール押え具
挿通孔ｂの孔軸線Ｑが型枠２の巾方向に向かうよ
うに構成されている。 Returning to FIG. 1 and FIG. 2, reference numeral 9 denotes a rail mounting bracket, and the seal mounting bracket 9 includes an anchor part 10, a contact part 11 that comes into contact with the inner surface of the formwork around the opening 6, and a rail holder. It consists of an insertion hole part 12 in which a tool insertion hole b is formed, and the insertion hole part 12 is inserted into the openings 6, 6 from the inside of the mold with the contact part 11 in contact with the inner surface of the mold. has been done. The hole axis Q of the rail presser insertion hole b is directed in the width direction of the formwork 2 when the rail mounting bracket 9 is inserted into the two openings 6, 6.
１３は前記レール取付金具９の型枠２に対する
締結装置であつて、前記型枠長手方向で２個一対
で且つ型枠巾方向で複数個の開口部６，６群にセ
ツトされたレール取付金具９…を一挙に型枠２に
締結するように構成されている。 Reference numeral 13 denotes a fastening device for the rail mounting bracket 9 to the formwork 2, and the rail mounting brackets are set in pairs in the longitudinal direction of the formwork and in a plurality of openings 6, 6 groups in the width direction of the formwork. 9... are configured to be fastened to the formwork 2 all at once.
詳しくは、第３図にも示すように、前記型枠２
の並設方向に長い操作軸１４を、前記開口部６，
６間に位置させる状態で前記フレーム枠１に取り
付けると共に、前記開口部６の型枠巾方向両側に
相当する部位の該操作軸１４に、互いに逆ネジの
ネジ部ｃ，ｃを螺設し、かつ、２本のアーム１
５，１５を直線状に連設したナツト部材１６を前
記ネジ部ｃ，ｃの夫々に螺合させると共に、前記
開口部６，６に挿入されたレール取付金具９の挿
通孔ｂの両端部に相対向させる状態で、前記アー
ム１５…の端部夫々に付勢係合部材１７を設けて
ある。 Specifically, as shown in FIG. 3, the formwork 2
The operating shaft 14, which is long in the direction in which the openings 6 and
At the same time, the operating shaft 14 is attached to the frame 1 in a state where it is positioned between the openings 6 and 6, and threaded portions c, c with opposite threads are screwed into the operating shafts 14 at the portions corresponding to both sides of the opening 6 in the width direction of the form, And two arms 1
A nut member 16 having screws 5 and 15 connected in a straight line is screwed into each of the threaded parts c and c, and a nut member 16 is screwed into both ends of the insertion hole b of the rail mounting bracket 9 inserted into the openings 6 and 6. A biasing engagement member 17 is provided at each end of the arms 15 so as to face each other.
上記の付勢係合部材１７は、第４図にも示すよ
うに、先端側に球面部分ｄが形成された係合部材
１８を、前記球面部分ｄを突出させる状態で且つ
抜け出し阻止状態で、スライド自在に筒部材１９
に内嵌合させると共に、該筒部材１９にコイルス
プリング２０を内装し、かつ、該コイルスプリン
グ２０の弾性変形調整用の雄ネジ部材２１を前記
筒部材１９に螺合させて成り、前記雄ネジ部材２
１に連設のボルトｅを前記アーム１５の先端側の
孔ｆに挿通すると共に、該ボルトｅにダブルナツ
トｇ，ｇを螺着することで、当該付勢係合部材１
７がアーム１５に取り付けられている。 As shown in FIG. 4, the biasing engagement member 17 is configured such that the engagement member 18, which has a spherical portion d formed on its tip side, is in a state where the spherical portion d protrudes and is in a state where it is prevented from coming off. Slidably cylindrical member 19
At the same time, a coil spring 20 is installed inside the cylindrical member 19, and a male screw member 21 for adjusting the elastic deformation of the coil spring 20 is screwed into the cylindrical member 19. Part 2
1 is inserted into the hole f on the tip side of the arm 15, and by screwing the double nuts g, g onto the bolt e, the urging engagement member 1
7 is attached to the arm 15.
上記の構成によれば、前記操作軸１４を回転さ
せることで、前記各開口部６，６の型枠巾方向両
側に相対向して位置する開口部一側の付勢係合部
材１７，１７同士と開口部他側の付勢係合部材１
７，１７同士とが対になつて接近ならびに離間す
る。 According to the above configuration, by rotating the operation shaft 14, the biasing engaging members 17, 17 on one side of the openings, which are located opposite to each other on both sides of the openings 6, 6 in the form width direction, and the biasing engagement member 1 on the other side of the opening.
7 and 17 approach and separate from each other as a pair.
ここで、第４図に示すように、前記レール取付
金具９を前記型枠２の開口部６に所定通りに締結
させた状態において、型枠底面から型枠巾方向両
側で相対向する係合部材１８，１８のスライド軸
線Ｐまでの寸法が、前記型枠底面からレール押え
具挿通孔ｂの孔軸線Ｑまでの寸法よりもやゝ大に
設定され、かつ、前記球面部分ｄの球径が前記挿
通孔ｂの内径よりもやゝ小に設定されている。ま
た、前記挿通孔ｂの角部は局面に加工されてい
る。 Here, as shown in FIG. 4, when the rail mounting bracket 9 is fastened to the opening 6 of the formwork 2 in a predetermined manner, engagements that face each other from the bottom of the formwork on both sides in the width direction of the formwork are attached. The dimension from the slide axis P of the members 18, 18 is set to be slightly larger than the dimension from the bottom of the formwork to the hole axis Q of the rail holding tool insertion hole b, and the spherical diameter of the spherical portion d is It is set to be slightly smaller than the inner diameter of the insertion hole b. Furthermore, the corners of the insertion hole b are rounded.
而して、前記操作軸１４を回転させて、型枠巾
方向両側に相対向して位置する付勢係合部材１
７，１７同士の対を互いに接近させると、前記係
合部材１８の球面部分ｄが挿通孔ｂの局面角部に
当接し、更に前記付勢係合部材１７，１７を接近
させると、前記コイルスプリング２０が弾性変形
しつつ、前記球面部分ｄと局面角部との間でのク
サビ作用で、前記レール取付金具９が型枠２の下
方に付勢突出され、かつ、前記レール取付金具９
の製作誤差や型枠２の歪み等があつても、個々の
付勢係合部材１７におけるコイルスプリング２０
の弾性変形量が変化することで、前記複数個のレ
ール取付金具９がガタツキなく、前記型枠２の開
口部６に強固に締結される。 By rotating the operating shaft 14, the biasing engaging members 1 are positioned opposite to each other on both sides in the width direction of the form.
When the pair of 7 and 17 are brought close to each other, the spherical portion d of the engagement member 18 comes into contact with the curved corner of the insertion hole b, and when the biasing engagement members 17 and 17 are brought closer together, the coil While the spring 20 is elastically deformed, the rail mounting bracket 9 is biased and protruded downward from the formwork 2 due to the wedge action between the spherical portion d and the curved corner portion, and the rail mounting bracket 9
Even if there are manufacturing errors or distortions of the formwork 2, the coil springs 20 in the individual biasing engagement members 17
By changing the amount of elastic deformation, the plurality of rail attachment fittings 9 are firmly fastened to the opening 6 of the formwork 2 without wobbling.
一方、前記球面部分ｄを上記のレール取付金具
締結位置から前記挿通孔ｂの外方に完全に離脱さ
せる位置にわたつて移動させることができるよう
に、前記操作軸１４によるナツト部材１６の螺進
量ひいては付勢係合部材１７，１７の移動量を設
定してある。 On the other hand, the nut member 16 is screwed by the operating shaft 14 so that the spherical portion d can be moved from the rail mounting bracket fastening position to a position where it is completely removed from the insertion hole b. The amount and therefore the amount of movement of the biasing engagement members 17, 17 are set.
従つて、前記球面部分ｄを挿通孔ｂから離脱さ
せることで、前記レール取付金具９を開口部６の
夫々に締結させる際の前記開口部６に対するレー
ル取付金具９のセツト作業が容易に行え、あるい
は、前記型枠２からの後述するコンクリート枕木
の脱型が容易に行える。 Therefore, by separating the spherical portion d from the insertion hole b, it is possible to easily set the rail mounting fittings 9 to the openings 6 when fastening the rail fittings 9 to each of the openings 6. Alternatively, concrete sleepers, which will be described later, can be easily removed from the formwork 2.
以上の構成を要約すれば、型枠長手方向で隣る
２個の開口部６，６の片側に位置する付勢係合部
材１７，１７同士、及び、開口部他側に位置する
付勢係合部材１７，１７同士を夫々対にしてアー
ム１５で連結する一方、前記操作軸１４とこれに
螺合のナツト部材１７およびアーム１５によつて
前記複数個の付勢係合部材１７，１７対を移動さ
せる切り換え機構Ａを構成し、もつて、前記複数
個の付勢係合部材１７，１７の対を、前記コイル
スプリング２０の弾性変形下で前記係合部材１８
を前記挿通孔ｂの両端部に係合させて前記レール
取付金具９を型枠下方に付勢させた状態で締結す
る作用状態と、前記付勢係合部材１７，１７対を
互いに離間させて、前記開口部６，６からの前記
レール取付金具９の抜け出しを許容する非作用状
態とに、切り換えられるようにしてある。 To summarize the above configuration, the biasing engagement members 17, 17 located on one side of the two openings 6, 6 adjacent in the longitudinal direction of the formwork, and the biasing engagement members 17, 17 located on the other side of the openings. The coupling members 17, 17 are connected to each other in pairs by an arm 15, while the plurality of pairs of biasing engagement members 17, 17 are connected by the operation shaft 14, the nut member 17 screwed thereto, and the arm 15. A switching mechanism A is configured to move the plurality of biasing engaging members 17, 17 under elastic deformation of the coil spring 20.
are engaged with both ends of the insertion hole b and are fastened in a state in which the rail mounting bracket 9 is urged downward from the formwork, and a working state in which the pair of urging engagement members 17, 17 are separated from each other. , and a non-operating state in which the rail mounting bracket 9 is allowed to come out from the openings 6, 6.
上記の如くして、前記コンクリート枕木用型枠
２にレール取付金具９を締結すると共に、前記端
面板部５にアンボンドPC鋼線ａ…を張設し、か
つ、前記型枠２内にコンクリートを流し込み、必
要に応じてフレーム枠１にバイブレーシヨンを掛
け、前記コンクリートの硬化後に前記端面板部５
を分離して脱型することで、第５図および第６図
に示すように、前記レール取付金具９のアンカー
部１０が埋設されたコンクリート枕木２２が作製
される。 As described above, the rail attachment fittings 9 are fastened to the concrete sleeper form 2, unbonded PC steel wires a are stretched to the end plate portion 5, and concrete is placed in the form 2. pour the concrete, apply vibration to the frame frame 1 as necessary, and after the concrete hardens, the end plate portion 5
By separating and demolding, as shown in FIGS. 5 and 6, a concrete sleeper 22 in which the anchor portion 10 of the rail mounting bracket 9 is embedded is produced.
そして、前記レール取付金具９，９間にレール
２３を配置すると共に、該レール２３のフランジ
部ｈの両側にレール押え２４，２４を位置させ、
かつ、該レール押え２４を押圧させるように、前
記レール取付金具９の挿通孔ｂにレール押え具２
５を装着することでレール２３の敷設が行われ
る。 Then, a rail 23 is placed between the rail mounting fittings 9, 9, and rail pressers 24, 24 are placed on both sides of the flange portion h of the rail 23,
In addition, the rail presser 2 is inserted into the insertion hole b of the rail mounting bracket 9 so as to press the rail presser 24.
5, the rail 23 is laid.
第７図および第８図に切り換え機構Ａの別実施
例を示す。このものは、型枠並設方向に長い操作
軸３０を、前記開口部６，６間に位置させる状態
で配置すると共に、前記開口部６の型枠巾方向両
側に相当する部位の該操作軸３０に、長短２本の
リンク２６，２７をピン連結し、そして、短リン
ク２７の両端に長孔ｉとピンｊとを介して夫々中
間リンク２８，２８を連結すると共に、前記開口
部６，６に挿入されたレール取付金具９の挿通孔
ｂの両端部に相対向させる状態で、、前記長リン
ク２６の両端に付勢係合部材１７，１７をピン連
結し、かつ、前記中間リンク２８の短部にも、長
孔ｉとピンｊとを介して付勢係合部材１７，１７
を連結してある。 Another embodiment of the switching mechanism A is shown in FIGS. 7 and 8. In this device, an operating shaft 30 that is long in the formwork juxtaposition direction is arranged between the openings 6, 6, and the operating shaft is located at a portion corresponding to both sides of the opening 6 in the formwork width direction. 30, two long and short links 26, 27 are connected with pins, and intermediate links 28, 28 are connected to both ends of the short link 27 via long holes i and pins j, respectively, and the openings 6, 6, biasing engaging members 17, 17 are connected with pins to both ends of the long link 26, and the intermediate link 28 The biasing engaging members 17, 17 are also attached to the short portions of the
are connected.
更に、前記中間リンク２８の長手中央をピンｋ
によつて型枠底面部に枢着すると共に、前記付勢
係合部材１７，１７の位置決めガイド２９を前記
型枠底面部に付設してある。 Furthermore, a pin k is attached to the longitudinal center of the intermediate link 28.
It is pivotally attached to the bottom surface of the mold by means of a screwdriver, and a positioning guide 29 for the biasing engaging members 17, 17 is attached to the bottom surface of the mold.
尚、実施例のものと同じ構成部品に同符号を付
して重複説明を避けることにする。 Note that the same components as those in the embodiment are given the same reference numerals to avoid redundant explanation.
上記別実施例の切り換え機構Ａによれば、前記
操作軸３０を押し引き操作することで、型枠長手
方向で隣る２個の開口部６，６の両側に夫々位置
する付勢係合部材１７，１７対が、作用状態を非
作用状態とに切り換えられる。 According to the switching mechanism A of the above-mentioned another embodiment, by pushing and pulling the operation shaft 30, the biasing engagement members located on both sides of the two openings 6, 6 adjacent in the longitudinal direction of the formwork are activated. Pairs 17 and 17 are switched from active to inactive.
尚、前記付勢係合部材１７，１７の非作用状態
において、該付勢係合部材１７の係合部材１８の
球面部分ｄを挿通孔ｂから完全に離脱させる構成
としているが、前記非作用状態Ｙにおいて、前記
コイルスプリング２０の弾性変形を伴わせないで
前記球面部分ｄの一部を前記挿通孔ｂ内に残す構
成とするも良い。 The spherical portion d of the engagement member 18 of the biasing engagement member 17 is completely removed from the insertion hole b when the biasing engagement members 17, 17 are in the non-operating state. In state Y, a part of the spherical portion d may remain in the insertion hole b without elastically deforming the coil spring 20.
また、前記係合部材１８の先端を球面部分ｄに
形成しているが、円錐面やテーパー面などに変形
可能である。 Furthermore, although the tip of the engaging member 18 is formed into a spherical surface portion d, it can be deformed into a conical surface, a tapered surface, or the like.
また、上記各実施例では、一つのフレーム枠１
に複数本のコンクリート枕木用型枠２を巾方向に
並設して、複数本のコンクリート枕木を成形する
場合を例にとつて本考案を説明したが、本考案
は、コンクリート枕木を１本ずつ形成するように
したものについても、一つのコンクリート枕木用
型枠２ごとに上述した付勢係合部材１７，１７の
対と、該付勢係合部材１７，１７対を作用状態と
非作用状態とに切り換える切り換え機構Ａを設け
ることによつて実施することが可能である。 Furthermore, in each of the above embodiments, one frame frame 1
The present invention has been explained by taking as an example a case where a plurality of concrete sleeper formworks 2 are arranged in parallel in the width direction to form a plurality of concrete sleepers. Also, in the case where the formwork 2 for concrete sleepers is formed, the above-mentioned pair of biasing engaging members 17, 17 and the pair of biasing engaging members 17, 17 are set in an activated state and a non-activated state. This can be implemented by providing a switching mechanism A that switches between the two.
本考案は、上述した構成よりなるため、レール
取付金具の締結を確実かつ強固に行えるように付
勢係合部材のスプリング力を強くしても、レール
取付金具のセツト及びコンクリート枕木の脱型が
容易に行えるのである。
Since the present invention has the above-mentioned configuration, even if the spring force of the biasing engagement member is strengthened so that the rail mounting bracket can be securely and firmly fastened, it is difficult to set the rail mounting bracket and remove the form of the concrete sleeper. It's easy to do.
殊に、請求項(2)の構成によれば、前記切り換え
機構に対する一挙動の回転や押し引抜きの操作に
より、型枠巾方向で複数個の付勢係合部材対が一
挙に作用状態と非作用状態とに切り換えられ、而
して、上記付勢係合部材対を非作用状態にして型
枠開口部にレール取付金具をセツトし、前記付勢
係合部材対を作用状態に切り換えることで、前記
型枠長手方向で２個一対の複数個のレール取付金
具が型枠開口部に一挙に締結され、かつ、前記付
勢係合部材のスプリングが弾性変形下にあるの
で、個々のレール取付金具がガタツキなく型枠開
口部に確実に締結される。そして、上記複数個の
付勢係合部材対を非作用状態に切り換えること
で、前記型枠開口部からのレール取付金具の抜き
出しを簡易に行え、延いては、コンクリート枕木
を１本ずつ脱型する場合はもとより、複数本同時
に脱型する場合であつても、脱型を楽に行えるの
である。 In particular, according to the structure of claim (2), a plurality of pairs of biasing engaging members are brought into an activated state and a deactivated state at once in the width direction of the form by one rotation or push/pull operation of the switching mechanism. By setting the rail mounting bracket in the opening of the formwork with the pair of biasing engaging members in the non-activating state, and switching the pair of biasing engaging members to the working state. , a plurality of rail attachment fittings arranged in pairs in the longitudinal direction of the formwork are fastened to the formwork opening all at once, and the spring of the biasing engagement member is under elastic deformation, so that individual rail attachments are not possible. The metal fittings are securely fastened to the formwork opening without wobbling. By switching the plurality of biasing engagement member pairs to a non-operating state, the rail mounting bracket can be easily extracted from the formwork opening, and the concrete sleepers can be removed from the mold one by one. This makes demolding easy, not only when removing molds, but also when demolding multiple pieces at the same time.
しかも、前記切り換え機構に対する一挙動の単
なる回転や押し引抜きの操作で、２個一対の複数
個のレール取付金具の締結が成されるもので、型
枠巾方向で複数個のレール取付金具の挿通孔の
個々に操作軸を挿入していた従来の半分の操作手
間で済み、その上、広い操作スペースも必要とせ
ず、全体として、レール取付金具を各２個の付勢
係合部材で保持させると共に、該付勢係合部材の
２個を対と成して、当該対の付勢係合部材を一挙
に状態切り換えさせる合理的な改良によつて、従
来欠点の悉くを解消できるに至つたのである。 Moreover, the plurality of rail mounting brackets in pairs can be fastened by one simple rotation or push/pull operation with respect to the switching mechanism, and the insertion and insertion of the plurality of rail mounting brackets in the width direction of the formwork is accomplished. The operation time is half that of the conventional method of inserting the operating shaft into each hole, and in addition, it does not require a large operating space, and the rail mounting bracket is held as a whole by two biasing engagement members each. At the same time, all of the conventional drawbacks have been overcome by a rational improvement in which the two biasing engaging members are formed into a pair and the states of the pair of biasing engaging members are switched at once. It is.
第１図はコンクリート枕木の製造装置の断面
図、第２図はコンクリート枕木用型枠の一部とレ
ール取付金具とを示す斜視図、第３図は締結装置
の要部を示す横断平面図であり、第４図は同縦断
側面図である。第５図はコンクリート枕木の断面
図、第６図はコンクリート枕木の平面図である。
第７図は別実施例の締結装置の要部を示す横断平
面図であり、第８図は同縦断側面図である。第９
図は従来例のコンクリート枕木製造装置の断面図
である。
２……コンクリート枕木用型枠、３……底板
部、６……開口部、９……レール取付金具、１７
……付勢係合部材、１８……係合部材、２０……
スプリング、ｂ……レール押え具挿通孔、Ａ……
切り換え機構。
Figure 1 is a sectional view of the concrete sleeper manufacturing equipment, Figure 2 is a perspective view showing a part of the concrete sleeper formwork and rail mounting hardware, and Figure 3 is a cross-sectional plan view showing the main parts of the fastening device. 4 is a longitudinal sectional side view of the same. FIG. 5 is a sectional view of the concrete sleeper, and FIG. 6 is a plan view of the concrete sleeper.
FIG. 7 is a cross-sectional plan view showing the main parts of a fastening device according to another embodiment, and FIG. 8 is a vertical cross-sectional side view of the same. 9th
The figure is a sectional view of a conventional concrete sleeper manufacturing device. 2... Formwork for concrete sleepers, 3... Bottom plate portion, 6... Opening, 9... Rail mounting bracket, 17
...Biasing engagement member, 18...Engagement member, 20...
Spring, b...Rail holder insertion hole, A...
switching mechanism.
Claims (1)
た長手方向で隣る２個の開口部に、夫々レール
取付金具を、該レール取付金具に形成されたレ
ール押え具挿通孔が前記底板部よりも下方に突
出し且つレール取付金具の一部が前記底板部上
面に当接した状態に挿入して、当該レール取付
金具を前記型枠に締結させるためのレール取付
金具の締結装置であつて、前記型枠における底
板部の下方に、前記挿通孔の端部に係合する係
合部材と該係合部材を係合方向に向けて付勢さ
せるスプリングから成る付勢係合部材を、前記
各開口部の型枠巾方向両側に相対向させて配置
すると共に、型枠長手方向で隣る２個の開口部
の一側に位置する付勢係合部材同士、及び、開
口部他側に位置する付勢係合部材同士を夫々対
にして連結し、かつ、該付勢係合部材対を互い
に接近させて、前記スプリングの弾性変形下で
前記係合部材を前記挿通孔の両端部に係合させ
て前記レール取付金具を下方に付勢された状態
に締結する作用状態と、前記付勢係合部材対を
互いに離間させて、前記開口部からの前記レー
ル取付金具の抜け出しを許容する非作用状態と
に、切り換えるための切り換え機構を設けてあ
ることを特徴とするコンクリート枕木用型枠に
対するレール取付金具の締結装置。 (2) 巾方向に並設された複数本のコンクリート枕
木用型枠の各底板部に形成された長手方向で隣
る２個の開口部に、夫々レール取付金具を、該
レール取付金具に形成されたレール押え具挿通
孔が前記底板部よりも下方に突出し且つレール
取付金具の一部が前記底板部上面に当接した状
態に挿入して、当該レール取付金具を前記型枠
に締結させるためのレール取付金具の締結装置
であつて、各型枠における底板部の下方に、前
記挿通孔の端部に係合する係合部材と該係合部
材を係合方向に向けて付勢させるスプリングか
ら成る付勢係合部材を、前記各開口部の型枠巾
方向両側に相対向させて配置すると共に、型枠
長手方向で隣る２個の開口部の一側に位置する
付勢係合部材同士、及び、開口部他側に位置す
る付勢係合部材同士を夫々対にして連結し、か
つ、複数本の型枠に対応する複数個の付勢係合
部材対を互いに接近させて、前記スプリングの
弾性変形下で前記係合部材を前記挿通孔の両端
部に係合させて前記レール取付金具を下方に付
勢された状態に締結する作用状態と、前記付勢
係合部材対を互いに離間させて、前記開口部か
らの前記レール取付金具の抜け出しを許容する
非作用状態とに、切り換えるための切り換え機
構を設けてあることを特徴とするコンクリート
枕木用型枠に対するレール取付金具の締結装
置。[Utility Model Claims] (1) A rail mounting bracket fastening device for fastening a rail mounting bracket to a concrete sleeper formwork by inserting the rail mounting bracket into two adjacent openings formed in the bottom plate of the formwork in a state in which the rail retainer insertion holes formed in the rail mounting bracket protrude below the bottom plate and a part of the rail mounting bracket abuts on the upper surface of the bottom plate, the device comprising: engaging members that engage with the ends of the insertion holes and springs that bias the engaging members in the engaging direction, which are disposed opposite each other on both sides of the formwork width direction of each of the openings below the bottom plate of the formwork; (2) A fastening device for a rail mounting hardware to a form for concrete sleepers, characterized in that the biasing engaging members located on one side of two longitudinally adjacent openings and the biasing engaging members located on the other side of the openings are connected in pairs, and a switching mechanism is provided for switching between an operating state in which the pairs of biasing engaging members approach each other and engage the engaging members with both ends of the insertion hole under elastic deformation of the spring to fasten the rail mounting hardware in a state in which it is biased downward, and a non-operating state in which the pairs of biasing engaging members are separated from each other to allow the rail mounting hardware to slip out of the opening. A rail mounting bracket fastening device for fastening a rail mounting bracket to a formwork by inserting the rail mounting bracket into two adjacent openings formed in the bottom plate of each of a plurality of concrete sleeper formworks arranged side by side in the width direction, with the rail presser insertion holes formed in the rail mounting bracket projecting below the bottom plate and with a part of the rail mounting bracket abutting the upper surface of the bottom plate. The device comprises: an engaging member which engages with an end of the insertion hole; and a spring which biases the engaging member in the engaging direction, and the engaging member is disposed below the bottom plate of each formwork on both sides of each opening in the formwork width direction, the engaging member being arranged opposite to each other below the bottom plate of each formwork. said rail mounting bracket being fastened to a formwork for concrete sleepers, characterized in that: the biasing engaging members located on one side of two adjacent openings in the hand direction are connected in pairs, and the biasing engaging members located on the other side of the openings are connected in pairs, and a switching mechanism is provided for switching between an operative state in which a plurality of pairs of biasing engaging members corresponding to a plurality of formworks are brought close to each other so that the engaging members engage both ends of the insertion hole under elastic deformation of the spring and fasten the rail mounting bracket in a downwardly biased state, and a non-operative state in which the pairs of biasing engaging members are separated from each other to allow the rail mounting bracket to slip out of the opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5614488U JPH0541848Y2 (en) | 1988-04-25 | 1988-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5614488U JPH0541848Y2 (en) | 1988-04-25 | 1988-04-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01158110U JPH01158110U (en) | 1989-11-01 |
| JPH0541848Y2 true JPH0541848Y2 (en) | 1993-10-22 |
Family
ID=31282026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5614488U Expired - Lifetime JPH0541848Y2 (en) | 1988-04-25 | 1988-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0541848Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6019480B2 (en) * | 2012-10-05 | 2016-11-02 | 株式会社佐藤工業所 | Rail fastening shoulder temporary fixing jig |
-
1988
- 1988-04-25 JP JP5614488U patent/JPH0541848Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01158110U (en) | 1989-11-01 |
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