JP2020020127A

JP2020020127A - Wedge binding device in scaffold

Info

Publication number: JP2020020127A
Application number: JP2018143211A
Authority: JP
Inventors: 亮裕川久; Akihiro Kawahisa; 大介嶋岡; Daisuke Shimaoka
Original assignee: Alinco Inc; Sugiko Group Holdings Co Ltd
Current assignee: Alinco Inc; Sugiko Group Holdings Co Ltd
Priority date: 2018-07-31
Filing date: 2018-07-31
Publication date: 2020-02-06
Anticipated expiration: 2038-07-31
Also published as: JP7141658B2

Abstract

To provide a wedge binding device used in a scaffold such as a temporary scaffold .SOLUTION: In a wedge binding device in a scaffold, in a state where a flange (13) is made to advance to a receiving part (20) formed between an upper jaw part and a lower jaw part in a jaw metal fitting (15), a wedge member (16) inserted into insertion holes (21)(22) in the upper and lower jaw parts and a binding hole (14) of the flange is driven to move down to a binding position (P2). By press-fitting a wedge part of the wedge member into a space between a direct support edge part (14a) in the binding hole and receiving edge parts (21a) and (22a) in the insertion holes, abutting parts (18a) and (19a) at the tip of the jaw metal fitting is brought into contact with a column. A retreat position (P0) is the position in which the wedge member (16) is retreated to the upper part of the receiving part so as not to prevent the advance of the flange (13) into the receiving part (20). The wedge binding device has spring means (26) with an elastic retaining member (30) for holding the wedge member in the retreat position, and the holding power of the elastic retaining member (30) is constituted to prevent descent by the wedge member's dead weight and to permit up and down movement of the wedge member by external force.SELECTED DRAWING: Figure 2

Description

本発明は、仮設足場等の足場において使用される楔緊結装置に関する。 The present invention relates to a wedge tying device used in a scaffold such as a temporary scaffold.

従来、構築と解体を行う仮設足場において、楔緊結装置が提供されている。例えば、図１に示すように、支柱１と横架材等の連結部材２を着脱自在に連結するための装置として、支柱１の長手方向に間隔をあけて固設したフランジ３に設けた緊結孔４に対して、連結部材２の端部に固設した顎金具５を楔部材６により緊結するように構成した楔緊結装置が公知である。 2. Description of the Related Art Conventionally, wedge tying devices have been provided on temporary scaffolds for construction and dismantling. For example, as shown in FIG. 1, as a device for detachably connecting a connecting member 2 such as a column 1 and a horizontal member, a binding provided on a flange 3 fixed at intervals in the longitudinal direction of the column 1. There is known a wedge tightening device configured to tighten a jaw fitting 5 fixed to an end of the connecting member 2 to the hole 4 by a wedge member 6.

顎金具５は、上下顎部５ａ、５ｂの間に受入部９形成すると共に、上下顎部５ａ、５ｂにそれぞれ上側の挿通孔７と下側の挿通孔８を設けており、受入部９にフランジ３を進入させたとき、フランジの緊結孔４と上下顎部の挿通孔７、８を上下方向に連通させるように形成されている。 The jaw fitting 5 has a receiving portion 9 formed between the upper and lower jaws 5a and 5b, and an upper insertion hole 7 and a lower insertion hole 8 respectively provided in the upper and lower jaws 5a and 5b. When the flange 3 is made to enter, the binding hole 4 of the flange and the insertion holes 7 and 8 of the upper and lower jaws are formed to communicate vertically.

楔部材６は、前記の各孔に挿通自在な厚さの盤状体より形成され、腹部６ａと背部６ｂの間の幅寸法を下方に向けて次第に幅狭とするように形成されている。 The wedge member 6 is formed of a disc-shaped body having a thickness that can be inserted into each of the holes, and is formed so that the width between the abdominal portion 6a and the back portion 6b is gradually narrowed downward.

そこで、楔部材６を上から下に向けて上顎５ａの挿通孔７とフランジ３の緊結孔４と下顎５ｂの挿通孔８に挿通させた状態で、ハンマー等により殴打して下動させると、楔部材６が緊結孔４の接支縁部４ａと挿通孔７、８の受縁部７ａ、８ａの間に圧入され、接支縁部４ａと受縁部７ａ、８ａの間隔を押し広げながら、顎金具５を押動させることにより、上下顎部５ａ、５ｂの先端部を支柱の表面に圧接状態で当接する。これにより、フランジ３と楔部材６と顎部材５と支柱１の相互間における緊結状態が得られる。 Therefore, when the wedge member 6 is inserted from the top downward into the insertion hole 7 of the upper jaw 5a, the binding hole 4 of the flange 3, and the insertion hole 8 of the lower jaw 5b, the wedge member 6 is hit down with a hammer or the like to move down. The wedge member 6 is press-fitted between the supporting edge portion 4a of the binding hole 4 and the receiving edge portions 7a, 8a of the insertion holes 7, 8, and while expanding the distance between the supporting edge portion 4a and the receiving edge portions 7a, 8a. By pushing the jaw fitting 5, the distal ends of the upper and lower jaws 5a and 5b abut against the surface of the column in a pressed state. Thereby, a tight state between the flange 3, the wedge member 6, the jaw member 5, and the column 1 is obtained.

そして、この緊結状態において、下顎５ｂの挿通孔８から挿出された楔部材６の下端部をハンマー等により殴打して上動させると、緊結状態が解除される。 When the lower end of the wedge member 6 inserted through the insertion hole 8 of the lower jaw 5b is beaten with a hammer or the like and moved upward in this tight state, the tight state is released.

特開２０１８−７１１９６号公報JP 2018-71196 A

上述の緊結作業を行うためには、先ず、顎金具５をフランジ３の側方に臨ませた状態からフランジ３に向けて横方向に移動させ、受入部９にフランジ３を進入させることが必要である。このとき、楔部材６が受入部９の内部に位置している場合は、フランジ３を受入部９に進入させることができない。このため、図１（Ａ）に示すように、作業者の指先等で楔部材６を退避位置Ｐ０に持ち上げることにより受入部９を開放状態とし、楔部材６を保持した状態で顎部材５をフランジ３に向けて横方向に移動させなければならない。 In order to perform the above-described binding work, first, it is necessary to move the jaw fitting 5 from the side facing the flange 3 to the flange 3 in the lateral direction, and make the flange 3 enter the receiving portion 9. It is. At this time, when the wedge member 6 is located inside the receiving portion 9, the flange 3 cannot enter the receiving portion 9. For this reason, as shown in FIG. 1A, the receiving portion 9 is opened by lifting the wedge member 6 to the retreat position P0 with a fingertip of an operator or the like, and the jaw member 5 is held while the wedge member 6 is held. It must be moved laterally towards the flange 3.

受入部９にフランジ３を進入させ、楔部材６をフランジの緊結孔４に臨ませた状態で、指先等による保持から解放すれば、楔部材６は、自重で下降して待機位置Ｐ１で停止するので、引き続きハンマー等による殴打により、緊結位置Ｐ２まで下動させれば良い。 When the flange 3 is advanced into the receiving portion 9 and the wedge member 6 is released from holding by a fingertip or the like with the wedge member 6 facing the binding hole 4 of the flange, the wedge member 6 descends by its own weight and stops at the standby position P1. Therefore, it is only necessary to continuously move down to the binding position P2 by hitting with a hammer or the like.

足場の構築は、多数の個所において、緊結作業を行うことが必要である。顎金具５は連結部材２と一体化された重量物を構成しているので、これをフランジ３に臨むように位置決めして横方向に移動させることは重労働であり、しかも、その作業中、楔部材６を退避位置Ｐ０に持ち上げた状態で保持し続けなければならないことを求めるのは、作業者に酷である。 The construction of a scaffold requires tying work at many locations. Since the jaw fitting 5 constitutes a heavy object integrated with the connecting member 2, it is hard work to position the jaw fitting 5 so as to face the flange 3 and move it in the lateral direction. It is severe for the operator to demand that the member 6 be kept lifted to the retracted position P0.

足場の解体の場合も同様であり、緊結状態が解除された楔部材６を退避位置Ｐ０に持ち上げ、顎部材５の受入部９からフランジ３が抜き出されるまで、持ち上げ状態を保持する必要がある。 The same applies to the case of dismantling the scaffold, and it is necessary to lift the wedge member 6 from which the binding state has been released to the retracted position P0 and hold the lifted state until the flange 3 is pulled out from the receiving portion 9 of the jaw member 5. .

このため、本発明は、顎金具の受入部にフランジを進入させる際、その進入が妨げられないように受入部の上方に退避させた楔部材をその退避位置で保持できるように構成すると共に、フランジを受入部に進入させた後は、保持された状態の楔部材を緊結位置まで下動可能とするように構成した楔緊結装置を提供するものである。 For this reason, the present invention is configured such that when the flange enters the receiving portion of the jaw fitting, the wedge member retracted above the receiving portion can be held at the retracted position so as not to hinder the entry, It is an object of the present invention to provide a wedge tightening device configured so that a wedge member in a held state can be moved down to a tightening position after the flange has entered the receiving portion.

そこで、本発明が手段として構成したところは、支柱に固設されたフランジと連結部材に固設された顎金具を連結する緊結装置であり、顎金具の上顎部と下顎部の間に形成された受入部にフランジを進入させた状態で、上下顎部の挿通孔とフランジの緊結孔に挿通された楔部材を打ち込んで緊結位置まで下動させ、該楔部材の楔部を緊結孔の接支縁部と挿通孔の受縁部の間に圧入することにより、顎金具の先端の当接部を支柱に当接させる構成において、受入部に対するフランジの進入を妨げないように楔部材を受入部の上方に退避させた位置を退避位置として、楔部材を該退避位置で保持する弾発保持部を備えたスプリング手段を設けており、前記弾発保持部の保持力は、楔部材の自重による下降は阻止するが、外力による楔部材の上下動は許すように構成されて成る点にある。 Therefore, what the present invention is configured as means is a tying device for connecting a flange fixed to a support and a jaw fitting fixed to a connecting member, and is formed between an upper jaw and a lower jaw of the jaw fitting. With the flange advanced into the receiving portion, the wedge member inserted into the insertion hole of the upper and lower jaws and the fastening hole of the flange is driven down to the fastening position, and the wedge portion of the wedge member is brought into contact with the fastening hole. In a configuration in which the contact portion at the tip of the jaw fitting is brought into contact with the column by press-fitting between the supporting edge portion and the receiving edge portion of the insertion hole, the wedge member is received so as not to hinder the flange from entering the receiving portion. Spring means provided with a resilient holding portion for holding the wedge member at the retracted position with the position retracted above the portion being the retracted position, and the holding force of the resilient holding portion is determined by the weight of the wedge member. The wedge member moves up and down due to external force. Lies in comprising configured to allow.

本発明の１実施形態によれば、前記スプリング手段は、弾発保持部を上顎部の挿通孔の内部に位置させると共に、楔部材を支柱の中心に向かう前向き方向に弾発付勢し、前記挿通孔の受縁部に弾接させることにより保持する前進スプリング手段により構成することができる。 According to one embodiment of the present invention, the spring means positions the resilient holding portion inside the insertion hole of the upper jaw, and resiliently biases the wedge member in a forward direction toward the center of the support. It can be constituted by a forward spring means which is held by elastically contacting the receiving edge of the insertion hole.

本発明の別の実施形態によれば、前記スプリング手段は、弾発保持部を上顎部の挿通孔の内部に位置させると共に、楔部材の側面に向かう当接方向に弾発付勢して挟持することにより保持する挟持スプリング手段により構成することができる。 According to another embodiment of the present invention, the spring means positions the resilient holding portion inside the insertion hole of the upper jaw portion, and resiliently biases the resilient holding portion in the contact direction toward the side surface of the wedge member. By doing so, it can be configured by holding spring means.

本発明の更に別の実施形態によれば、楔部材は、楔部に間隔をあけて並設された枝部を有し、前記枝部は、楔部を緊結孔に臨ませた状態でフランジの外側に位置すると共に、楔部を退避位置と緊結位置の何れに位置させたときでもフランジよりも下方に延びるように楔部よりも長く形成され、該枝部の下端部により被殴打部を構成しており、前記スプリング手段の弾発保持部により前記枝部を弾発付勢することにより、楔部材を退避位置に保持するように構成することができる。 According to still another embodiment of the present invention, the wedge member has a branch portion arranged in parallel with the wedge portion at an interval, and the branch portion has a flange with the wedge portion facing the tightening hole. And is formed to be longer than the wedge portion so as to extend below the flange when the wedge portion is located at any of the retracted position and the binding position, and the lower end portion of the branch portion forms the hit portion by the lower end portion. The wedge member can be held at the retracted position by elastically biasing the branch portion by the elastic holding portion of the spring means.

本発明の好ましい実施形態によれば、顎金具は、連結部材に固設される筒部から上顎部と下顎部を延設し、上下顎部の間に受入部を形成して成る構成において、前記スプリング手段は、前記筒部に収納された固定状態の固定部から上顎部の挿通孔に向けて延びるアーム部を備え、該アーム部の先端に弾発保持部を設けている。 According to a preferred embodiment of the present invention, the jaw fitting has a configuration in which an upper jaw and a lower jaw are extended from a cylindrical portion fixed to a connecting member, and a receiving portion is formed between the upper and lower jaws. The spring means includes an arm portion extending from the fixed portion accommodated in the cylindrical portion to the insertion hole of the upper jaw portion, and a resilient holding portion is provided at a tip of the arm portion.

本発明によれば、顎金具１５の受入部２０にフランジ１３を進入させる際、受入部２０が開放されるように楔部材１６を退避位置Ｐ０に退避させれば、楔部材１６は、スプリング手段２６の弾発保持部３０により退避位置Ｐ０に保持されるので、受入部２０にフランジ１３を進入させる作業が容易となる。そして、スプリング手段２６による弾発保持部３０の保持力は、楔部材１６の自重による下降は阻止するが、外力による楔部材１６の上下動は許すように構成されているので、楔部材１６を保持状態のままハンマーの殴打等により緊結位置Ｐ２まで下動させ、簡単容易に緊結状態を形成することができる。 According to the present invention, when the wedge member 16 is retracted to the retreat position P0 so that the receiving portion 20 is opened when the flange 13 enters the receiving portion 20 of the jaw fitting 15, the wedge member 16 is Since it is held at the retreat position P 0 by the resilient holding section 30 of 26, the operation of making the flange 13 enter the receiving section 20 becomes easy. The holding force of the resilient holding unit 30 by the spring means 26 prevents the wedge member 16 from lowering due to its own weight, but allows the wedge member 16 to move up and down due to external force. The holding state can be moved down to the tightening position P2 by hitting the hammer or the like to easily and easily form the tightening state.

従来技術を示しており、（Ａ）は顎金具の受入部にフランジを進入させた状態を示す断面図、（Ｂ）は楔部材を打ち込んだ後の緊結状態を示す断面図である。It is a sectional view showing the state where the flange was made to enter into the receiving part of the chin metal fittings, and (B) is a sectional view showing the binding state after driving the wedge member. 本発明の第１実施形態に関して、相互に離間させられた支柱のフランジと、楔部材を備えた連結部材の顎金具を分離させた状態を示す斜視図である。FIG. 3 is a perspective view showing a state in which a flange of a support pillar and a jaw fitting of a connecting member having a wedge member are separated from each other in the first embodiment of the present invention. 第１実施形態に関して、フランジを顎金具の受入部に進入させ、楔部材を打ち込むことにより緊結させた状態を示す斜視図である。It is a perspective view showing a state where a flange was made to enter into a receiving part of a jaw metal fitting, and was tightened by driving a wedge member concerning a 1st embodiment. 第１実施形態に関して、（Ａ）は楔部材を示す斜視図、（Ｂ）はスプリング手段を示す斜視図である。In the first embodiment, (A) is a perspective view showing a wedge member, and (B) is a perspective view showing a spring means. 第１実施形態に関して、顎金具と楔部材とスプリング手段を示す斜視図である。FIG. 3 is a perspective view showing a jaw fitting, a wedge member, and a spring means according to the first embodiment. 第１実施形態に関して、楔部材を退避位置に保持した状態で、顎金具の受入部をフランジに臨ませた状態を示す断面図である。FIG. 6 is a cross-sectional view illustrating a state in which the receiving portion of the jaw fitting faces the flange with the wedge member held at the retracted position according to the first embodiment. 第１実施形態に関して、楔部材を退避位置に保持した状態で、顎金具の受入部にフランジを進入させた状態を示す断面図である。FIG. 6 is a cross-sectional view illustrating a state in which a flange is advanced into a receiving portion of the jaw fitting with the wedge member held at the retracted position according to the first embodiment. 第１実施形態に関して、顎金具の受入部にフランジを進入させた状態で、楔部材を下動させた状態を示す断面図である。FIG. 4 is a cross-sectional view showing a state in which a wedge member is moved downward in a state in which a flange has entered a receiving portion of a jaw fitting according to the first embodiment. 第１実施形態に関して、顎金具の受入部にフランジを進入させた状態で、楔部材を緊結位置まで下動させた緊結状態を示す断面図である。FIG. 9 is a cross-sectional view showing a tightening state in which the wedge member is moved down to the tightening position in a state where the flange has entered the receiving portion of the jaw fitting according to the first embodiment. 本発明の第２実施形態に関して、相互に離間させられた支柱のフランジと、楔部材を備えた連結部材の顎金具を分離させた状態を示す斜視図である。FIG. 13 is a perspective view showing a state in which a flange of a support pillar and a jaw fitting of a connecting member provided with a wedge member are separated from each other according to the second embodiment of the present invention. 第２実施形態に関して、フランジを顎金具の受入部に進入させ、楔部材を打ち込むことにより緊結させた状態を示す斜視図である。It is a perspective view showing a state where a flange was made to enter into a receiving part of a jaw fitting, and was tightened by driving in a wedge member concerning a 2nd embodiment. 第２実施形態に関して、（Ａ）は楔部材を示す斜視図、（Ｂ）はスプリング手段を示す斜視図である。Regarding the second embodiment, (A) is a perspective view showing a wedge member, and (B) is a perspective view showing a spring means. 第２実施形態に関して、顎金具と楔部材とスプリング手段を示す斜視図である。FIG. 9 is a perspective view showing a jaw fitting, a wedge member, and a spring means according to the second embodiment. 第２実施形態に関して、楔部材を退避位置に保持した状態で、顎金具の受入部をフランジに臨ませた状態を示す断面図である。FIG. 13 is a cross-sectional view illustrating a state in which a receiving portion of a jaw fitting faces a flange in a state where a wedge member is held at a retracted position according to the second embodiment. 第２実施形態に関して、楔部材を退避位置に保持した状態で、顎金具の受入部にフランジを進入させた状態を示す断面図である。FIG. 13 is a cross-sectional view illustrating a state in which a flange is advanced into a receiving portion of a jaw fitting with a wedge member held at a retracted position according to the second embodiment. 第１実施形態に関して、顎金具の受入部にフランジを進入させた状態で、楔部材を緊結位置まで下動させた緊結状態を示す断面図である。FIG. 9 is a cross-sectional view showing a tightening state in which the wedge member is moved down to the tightening position in a state where the flange has entered the receiving portion of the jaw fitting according to the first embodiment. 本発明の第３実施形態に関して、相互に離間させられた支柱のフランジと、楔部材を備えた連結部材の顎金具を分離させた状態を示す斜視図である。FIG. 13 is a perspective view showing a state in which a flange of a support pillar and a jaw fitting of a connecting member provided with a wedge member are separated from each other in a third embodiment of the present invention. 第３実施形態に関して、フランジを顎金具の受入部に進入させ、楔部材を打ち込むことにより緊結させた状態を示す斜視図である。It is a perspective view showing a state where a flange was made to enter into a receiving part of a jaw fitting, and was tightened by driving in a wedge member concerning a 3rd embodiment. 第３実施形態に関して、顎金具と楔部材とスプリング手段を示す斜視図である。FIG. 14 is a perspective view showing a jaw fitting, a wedge member, and a spring means according to the third embodiment. 第３実施形態に関して、楔部材を退避位置に保持した状態で、顎金具の受入部をフランジに臨ませた状態を示す断面図である。FIG. 13 is a cross-sectional view illustrating a state where the receiving portion of the jaw fitting faces the flange in a state where the wedge member is held at the retracted position according to the third embodiment. 第３実施形態に関して、顎金具の受入部にフランジを進入させた状態で、楔部材を緊結位置まで下動させた緊結状態を示す断面図である。FIG. 13 is a cross-sectional view illustrating a tightened state in which a wedge member is moved down to a tightened position in a state where a flange has been inserted into a receiving portion of a jaw fitting according to a third embodiment.

以下図面に基づいて本発明の好ましい実施形態を詳述する。 Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

（第１実施形態）
図２ないし図９は、本発明の第１実施形態に係る楔緊結装置を示している。 (1st Embodiment)
2 to 9 show a wedge tightening device according to a first embodiment of the present invention.

（基本的構成）
先ず、「基本的構成」を説明する。図示のように、楔緊結装置は、例えば仮設足場における支柱１１と横架材等の連結部材１２を着脱自在に連結するための装置であり、支柱１１の長手方向に間隔をあけて固設したフランジ１３に設けた緊結孔１４に対して、連結部材１２の端部に固設した顎金具１５を楔部材１６により緊結するように構成されている。 (Basic configuration)
First, the “basic configuration” will be described. As shown in the drawing, the wedge tying device is a device for detachably connecting a support 11 and a connecting member 12 such as a horizontal member in a temporary scaffold, for example, and is fixed at intervals in the longitudinal direction of the support 11. A jaw fitting 15 fixed to an end of the connecting member 12 is connected to a binding hole 14 provided in the flange 13 by a wedge member 16.

顎金具１５は、連結部材１２に固設される筒部１７から上顎部１８と下顎部１９を延設することにより、上下顎部の間に受入部２０を形成しており、上下顎部にそれぞれ上側の挿通孔２１と下側の挿通孔２２を設けており、受入部２０にフランジ１３を進入させたとき、フランジの緊結孔１４と上下顎部の挿通孔２１、２２を上下方向に連通させるように形成されている。尚、上顎部１８と下顎部１９の先端には、支柱１１の周面に沿う円弧面により形成された当接部１８ａ、１９ａが設けられている。 The jaw fitting 15 has a receiving portion 20 formed between the upper and lower jaws by extending an upper jaw 18 and a lower jaw 19 from a cylindrical portion 17 fixed to the connecting member 12. The upper insertion hole 21 and the lower insertion hole 22 are provided, and when the flange 13 is inserted into the receiving portion 20, the fastening hole 14 of the flange and the insertion holes 21 and 22 of the upper and lower jaws are vertically communicated. It is formed so that At the tips of the upper jaw 18 and the lower jaw 19, there are provided contact portions 18a, 19a formed by circular arc surfaces along the peripheral surface of the column 11.

楔部材１６は、前記の各孔２１、１４、２２に挿通自在な厚さの盤状体より形成され、上下方向の中間部により楔部２３を構成し、該楔部２３の上下に頭部２４と脚部２５を設けており、前記楔部２３は、腹部２３ａと背部２３ｂの間の幅寸法を下方に向けて次第に幅狭とするように形成されている。この際、腹部２３ａは、支柱１１の軸線に平行となるように形成され、これに対して背部２３ｂが傾斜するように形成されている。前記頭部２４と脚部２５の側面には、それぞれ、例えばリベットの頭部により形成された突起２４ａ、２５ａが設けられている。 The wedge member 16 is formed of a disc-shaped body having a thickness that can be inserted into the holes 21, 14, and 22, and forms a wedge portion 23 by a vertically intermediate portion. The wedge 23 is formed so that the width between the abdomen 23a and the back 23b is gradually narrowed downward. At this time, the abdomen 23a is formed so as to be parallel to the axis of the column 11, and the back 23b is formed to be inclined with respect to this. Protrusions 24a, 25a formed by, for example, rivet heads are provided on the side surfaces of the head 24 and the leg 25, respectively.

図９に基づいて後述するように、顎金具１５の受入部２０にフランジ１３を進入させ、フランジの緊結孔１４の上下に上下顎部１８、１９の挿通孔２１、２２を臨ませ、これらの孔に楔部材１６を上から下に向けて挿通させた状態で、ハンマー等により殴打して下動させると、楔部材１６が緊結孔１４の接支縁部１４ａと挿通孔２１、２２の受縁部２１ａ、２２ａの間に圧入され、接支縁部４ａと受縁部２１ａ、２２ａの間隔を押し広げながら、顎金具１５を支柱１１に向けて前進移動させることにより、上下顎部１８、１９の当接部１８ａ、１９ａを支柱１１の表面に圧接状態で当接させる。これにより、フランジ１３と楔部材１６と顎部材１５と支柱１１の相互間における緊結状態が得られる。 As described later with reference to FIG. 9, the flange 13 is inserted into the receiving portion 20 of the jaw fitting 15, and the insertion holes 21 and 22 of the upper and lower jaws 18 and 19 are exposed above and below the binding hole 14 of the flange. When the wedge member 16 is beaten down with a hammer or the like and moved downward while the wedge member 16 is inserted downward from the top, the wedge member 16 receives the contact edge 14 a of the binding hole 14 and the receiving holes 21 and 22. The jaw fitting 15 is moved forward toward the support column 11 while being press-fitted between the edges 21a and 22a and pushing the gap between the contact supporting edge 4a and the receiving edges 21a and 22a, so that the upper and lower jaws 18, The 19 contact portions 18a, 19a are brought into contact with the surface of the column 11 in a pressure-contact state. Thereby, a tight state between the flange 13, the wedge member 16, the jaw member 15, and the column 11 is obtained.

そして、この緊結状態から、ハンマーによる殴打等により楔部材１６を上動させると、緊結状態が解除される。 Then, when the wedge member 16 is moved upward from the tightened state by hitting with a hammer or the like, the tightened state is released.

以上の「基本的構成」は、上述した従来技術の構成と概ね同様である。このような構成において、本発明は、顎金具１５にスプリング手段２６を設けている。 The above "basic configuration" is substantially the same as the configuration of the above-described conventional technology. In such a configuration, in the present invention, the spring means 26 is provided on the jaw fitting 15.

（スプリング手段の構成）
スプリング手段２６は、板バネを折曲することにより形成されており、顎金具１５の筒部１７の内側底部１７ａに固定される固定部２７と、該固定部２７から折曲され起立する起立部２８と、該起立部２８から折曲され上側の挿通孔２１に向けて延びるアーム部２９を備え、該アーム部２９の先端に弾発保持部３０を設けている。 (Structure of spring means)
The spring means 26 is formed by bending a leaf spring, and includes a fixing portion 27 fixed to the inner bottom portion 17a of the cylindrical portion 17 of the jaw fitting 15, and a rising portion bent from the fixing portion 27 to stand. 28, and an arm portion 29 that is bent from the upright portion 28 and extends toward the upper insertion hole 21, and a resilient holding portion 30 is provided at a tip of the arm portion 29.

前記固定部２７と起立部２８とアーム部２９により略コ字形に折曲されたスプリング手段２６は、固定部２７を筒部１７の内側底部１７ａにボルト・ナット等の固着具３１で固着することにより、筒部１７の内部空間（図例の場合は、筒部の内部と連結部材の内部にまたがる空間）に収納された状態で固定されている。 The spring means 26 bent in a substantially U-shape by the fixing portion 27, the upright portion 28, and the arm portion 29 fixes the fixing portion 27 to the inner bottom portion 17a of the cylindrical portion 17 with a fixing tool 31 such as a bolt and a nut. Accordingly, the tube portion 17 is fixed while being housed in the internal space of the tube portion 17 (in the case of the example in the drawing, a space extending between the inside of the tube portion and the inside of the connecting member).

前記弾発保持部３０は、アーム部２９の先端部にボルト・ナット等の固着具３２で固着された保持金具３３により構成され、該保持金具３３は、楔部材１６の背部に当接させられる押動部３４から楔部材１６の側面に向けて延びる縦板状の保持片３５を延設し、該保持片３５の下縁に切欠き凹状の受止め部３５ａを形成している。 The resilient holding portion 30 is constituted by a holding member 33 fixed to a tip portion of the arm portion 29 with a fixing member 32 such as a bolt and a nut, and the holding member 33 is brought into contact with the back of the wedge member 16. A vertical plate-like holding piece 35 extending from the pressing portion 34 toward the side surface of the wedge member 16 is provided, and a cut-out concave receiving portion 35a is formed on the lower edge of the holding piece 35.

上述のようにスプリング手段２６を筒部１７の内部空間に装着した状態で、弾発保持部３０を構成する保持金具３３は、上側の挿通孔２１の内部に位置させられる。図示のように、上顎部１８は、フランジ１３の上面に載置可能な座面１８ｂを備えた下向きの膨隆部と共に挿通孔２１を形成しているので、保持金具３３は、座面１８ｂと挿通孔２１の上部開口との間に収納された状態で設置される。 With the spring means 26 mounted in the internal space of the cylindrical portion 17 as described above, the holding bracket 33 constituting the resilient holding portion 30 is positioned inside the upper insertion hole 21. As shown in the figure, the upper jaw 18 forms the insertion hole 21 together with the downwardly protruding portion provided with the seat surface 18 b that can be placed on the upper surface of the flange 13, so that the holding bracket 33 is inserted through the seat surface 18 b. It is installed in a state of being housed between the upper opening of the hole 21.

従って、スプリング手段２６及び保持金具３３は、顎金具１５の外部に露出することなく内部に保護された状態で装着され、しかも、フランジ１３の進入を受ける受入部２０の内部に位置してフランジに干渉することがないように装着されている。 Therefore, the spring means 26 and the holding fitting 33 are mounted in a protected state without being exposed to the outside of the jaw fitting 15, and furthermore, are located inside the receiving portion 20 which receives the ingress of the flange 13 and are located on the flange. It is mounted so as not to interfere.

そして、第１実施形態の場合、上側の挿通孔２１から支柱１１の中心に向かう前向き方向Ｘ１と、その反対方向となる後向き方向Ｘ２に関して、スプリング手段２６は、保持金具３３の押動部３４を楔部材１６の背部に弾接することにより、楔部材１６を前向き方向Ｘ１に弾発付勢し、該挿通孔２１の受縁部２１ａに弾接させることにより保持する前進スプリング手段２６Ａを構成している。 In the case of the first embodiment, the spring means 26 moves the pushing portion 34 of the holding bracket 33 in the forward direction X1 from the upper insertion hole 21 toward the center of the support 11 and the backward direction X2 opposite thereto. The forward spring means 26A is configured to elastically urge the wedge member 16 in the forward direction X1 by elastically contacting the back of the wedge member 16 and to hold the elastic member 21 by elastically contacting the receiving edge 21a of the insertion hole 21. I have.

（作用）
図６ないし図９は、第１実施形態に係る楔緊結装置により緊結を行うための方法と作用を示している。 (Action)
6 to 9 show a method and an operation for performing the binding by the wedge binding device according to the first embodiment.

図６は、顎金具１５をフランジ１３の側方に臨ませた状態を示している。この際、楔部材１６は、退避位置Ｐ０に持ち上げられた状態で、スプリング手段２６により保持されている。 FIG. 6 shows a state in which the jaw fitting 15 faces the side of the flange 13. At this time, the wedge member 16 is held by the spring means 26 in a state of being lifted to the retreat position P0.

スプリング手段２６は、保持金具３３の押動部３４を楔部材１６の背部に弾接することにより前向き方向Ｘ１に弾発付勢しており、楔部材１６は、腹部を上側の挿通孔２１の受縁部２１ａに弾接した状態で保持されている。 The spring means 26 elastically urges the pushing portion 34 of the holding metal member 33 in the forward direction X1 by elastically contacting the back portion of the wedge member 16. It is held in a state of elastic contact with the edge 21a.

スプリング手段２６による保持金具３３の弾発保持力は、楔部材１６の自重による下降は阻止するが、外力による楔部材１６の上下動は許すように構成されている。 The resilient holding force of the holding member 33 by the spring means 26 prevents the wedge member 16 from lowering due to its own weight, but allows the wedge member 16 to move up and down due to external force.

従って、保持された状態の楔部材１６は、作業者が指先等で持ち上げることができ、その際、楔部材１６の脚部２５の突起２５ａが保持金具３３の受止め部３５ａに当接して受止められる。第１実施形態の場合、この位置が楔部材１６の退避位置Ｐ０とされている。第１実施形態の場合、楔部材１６は、脚部２５の下端を受入部２０の上面（座面１８ｂ）よりも受入部２０の内部に突出させているが、該脚部２５の下端から受入部２０の下面（下顎部１９の上面）までの距離Ｌは、フランジ１３の厚さＴよりも大きく、Ｌ＞Ｔとするように設定されており、これによりフランジ１３を受入部２０に進入可能とするように構成している。 Therefore, the wedge member 16 in the held state can be lifted by the operator with a fingertip or the like. At this time, the projection 25 a of the leg 25 of the wedge member 16 comes into contact with the receiving portion 35 a of the holding bracket 33 to receive the wedge member 16. Can be stopped. In the case of the first embodiment, this position is the retracted position P0 of the wedge member 16. In the case of the first embodiment, the wedge member 16 projects the lower end of the leg portion 25 into the receiving portion 20 from the upper surface (the seating surface 18b) of the receiving portion 20. The distance L to the lower surface of the portion 20 (the upper surface of the lower jaw portion 19) is larger than the thickness T of the flange 13 and is set so that L> T, whereby the flange 13 can enter the receiving portion 20. It is configured as follows.

このように、本発明において、楔部材１６の退避位置Ｐ０とは、受入部２０に対するフランジ１３の進入を妨げないように上方に退避した楔部材１６の位置のことであり、図６に示すように、フランジの進入を妨げない範囲で脚部２５の下端が受入部２０に進入している場合を含む意味であることを諒解されたい。 As described above, in the present invention, the retracted position P0 of the wedge member 16 is the position of the wedge member 16 retracted upward so as not to hinder the entry of the flange 13 into the receiving portion 20, as shown in FIG. However, it should be understood that the meaning includes the case where the lower end of the leg portion 25 enters the receiving portion 20 within a range that does not hinder the entry of the flange.

そこで、図７に示すように、顎金具１５をフランジ１３の側方に臨ませた状態からフランジ１３に向けて横方向に移動させると、フランジ１３が受入部２０に進入し、顎金具１５の座面１８ｂをフランジ１３の上面に載置すると、楔部材１６の脚部２５の下端が緊結孔１４に進入する。 Then, as shown in FIG. 7, when the jaw fitting 15 is laterally moved toward the flange 13 from a state where the jaw fitting 15 faces the side of the flange 13, the flange 13 enters the receiving portion 20, and When the seat surface 18 b is placed on the upper surface of the flange 13, the lower ends of the legs 25 of the wedge member 16 enter the binding holes 14.

従って、顎金具１５は、座面１８ｂを載置することにより、フランジ１３に位置決め状態で仮置きすることができる。この際、楔部材１６の脚部２５の下端が緊結孔１４に進入させられ、座面１８ｂがフランジ１３から滑り落ちることを防止するので、安定した仮置き状態が可能となる。 Therefore, the jaw fitting 15 can be temporarily placed in the positioning state on the flange 13 by placing the seating surface 18b. At this time, the lower end of the leg portion 25 of the wedge member 16 is made to enter the binding hole 14, and the seat surface 18b is prevented from sliding down from the flange 13, so that a stable temporary placement state is possible.

この状態から、楔部材１６を下動すると、楔部材１６は、図８に示す待機位置Ｐ１を経て、図９に示す緊結位置Ｐ２まで下降し、楔緊結を行う。楔部材１６が下降するとき、図８に示すように、保持金具３３は、楔部材１６の背部２３ｂにより押動され、スプリング手段２６の弾性変形により後向き方向Ｘ２に後退する。 When the wedge member 16 is moved downward from this state, the wedge member 16 moves down through the standby position P1 shown in FIG. 8 to the tightening position P2 shown in FIG. 9 to perform wedge tightening. When the wedge member 16 descends, as shown in FIG. 8, the holding member 33 is pushed by the back portion 23b of the wedge member 16 and retreats in the backward direction X2 due to the elastic deformation of the spring means 26.

楔部材１６の下動は、退避位置Ｐ０に保持された楔部材１６の頭部２４をハンマーで殴打等することにより緊結位置Ｐ２まで下動させても良く、或いは、退避位置Ｐ０に保持された楔部材１６を指先等で待機位置Ｐ１まで下降させ、その後に頭部２４をハンマーで殴打等することにより緊結位置Ｐ２まで下動させても良い。 The downward movement of the wedge member 16 may be moved down to the binding position P2 by hitting the head 24 of the wedge member 16 held at the retracted position P0 with a hammer or the like, or may be held at the retracted position P0. The wedge member 16 may be lowered to the standby position P1 with a fingertip or the like, and thereafter, the head 24 may be moved down to the binding position P2 by hitting the head 24 with a hammer or the like.

退避位置Ｐ０から緊結位置Ｐ２まで下動させられる間、楔部材１６は、スプリング手段２６の保持金具３３に弾発付勢された状態で所定姿勢を保持しており、ガタツキ等により傾くことはないので、ハンマーによる殴打を容易とする。 While the wedge member 16 is moved downward from the retracted position P0 to the binding position P2, the wedge member 16 maintains a predetermined posture while being elastically urged by the holding bracket 33 of the spring means 26, and does not tilt due to rattling or the like. Therefore, it is easy to strike with a hammer.

図９に示すように、緊結位置Ｐ２まで下動させられた楔部材１６は、楔部２３を緊結孔１４の接支縁部１４ａと挿通孔２１、２２の受縁部２１ａ、２２ａの間に圧入することにより、顎金具１５の当接部１８ａ、１９ａを支柱１１の表面に圧接状態で当接する。これにより、フランジ１３と楔部材１６と顎金具１５と支柱１１の相互における緊結状態が形成される。 As shown in FIG. 9, the wedge member 16 moved down to the binding position P 2 moves the wedge 23 between the contact edge 14 a of the binding hole 14 and the receiving edges 21 a and 22 a of the insertion holes 21 and 22. By press-fitting, the contact portions 18a and 19a of the jaw fitting 15 abut against the surface of the column 11 in a press-contact state. As a result, a tight connection between the flange 13, the wedge member 16, the jaw fitting 15, and the support 11 is formed.

尚、足場の解体等に際しては、脚部２５の下端をハンマー等により殴打して楔部材１６を上動させれば、緊結状態を解除することができる。 When the scaffold is dismantled, the tight state can be released by hitting the lower end of the leg 25 with a hammer or the like to move the wedge member 16 upward.

（第２実施形態）
図１０ないし図１６は、本発明の第２実施形態に係る楔緊結装置を示している。 (2nd Embodiment)
10 to 16 show a wedge tightening device according to a second embodiment of the present invention.

（基本的構成）
第２実施形態の基本的構成は、第１実施形態の「基本的構成」について上述した構成と概ね同様であるから、同様の構成部分は上記と同一符号を付して図示しており、上述の説明を援用することにより、重複する説明を省略する。 (Basic configuration)
Since the basic configuration of the second embodiment is substantially the same as the configuration described above for the “basic configuration” of the first embodiment, the same components are denoted by the same reference numerals as those described above. By using the above description, the duplicate description will be omitted.

（スプリング手段の構成）
スプリング手段２６は、一対の板バネ２６ａ、２６ａを相互に間隔を介して合掌させることにより形成されており、顎金具１５の筒部１７に近傍する位置で、連結部材１２の端部に固設された軸部材３６に取着される。 (Structure of spring means)
The spring means 26 is formed by joining a pair of leaf springs 26a, 26a with an interval therebetween, and is fixed to the end of the connecting member 12 at a position near the cylindrical portion 17 of the jaw fitting 15. The shaft member 36 is attached.

前記軸部材３６は、連結部材１２の直径方向に貫通した状態で固設されており、前記一対の板バネ２６ａ、２６ａは、前記軸部材３６を両側から抱持する固定部２７ａ、２７ａをボルト・ナット等の締結具３７で締結している。従って、固定部２７ａ、２７ａは、軸部材３６を挟着することにより、筒部１７の内部空間（図例の場合は、筒部の内部と連結部材の内部にまたがる空間）に収納された状態で固定されている。板バネ２６ａ、２６ａは、固定部２７ａ、２７ａから上側の挿通孔２１に向けて延びるアーム部２９ａ、２９ａを延設しており、該アーム部２９ａの先端に設けられたパドル部３８により弾発保持部３０を構成している。 The shaft member 36 is fixedly provided in a state penetrating in the diametrical direction of the connecting member 12, and the pair of leaf springs 26a, 26a are fixed to the fixing portions 27a, 27a for holding the shaft member 36 from both sides. -Fastened by fasteners 37 such as nuts. Accordingly, the fixing portions 27a, 27a are housed in the internal space of the cylindrical portion 17 (in the illustrated example, the space extending between the inside of the cylindrical portion and the inside of the connecting member) by sandwiching the shaft member 36. It is fixed at. The leaf springs 26a, 26a have arms 29a, 29a extending from the fixed portions 27a, 27a toward the upper insertion hole 21, and are resilient by a paddle portion 38 provided at the tip of the arm 29a. The holding unit 30 is configured.

第２実施形態の場合、弾発保持部３０を構成する一対のパドル部３８、３８は、楔部材１６の両側面に向かう当接方向Ｙ１と、その反対方向となる離反方向Ｙ２に関して、アーム部２９ａ、２９ａの弾性により、楔部材１６を当接方向Ｙ１に弾発付勢して挟持するように構成されており、これにより、スプリング手段２６は、挟持スプリング手段２６Ｂを構成している。 In the case of the second embodiment, the pair of paddle portions 38, 38 constituting the resilient holding portion 30 are configured such that the arm portions are arranged in a contact direction Y1 toward both side surfaces of the wedge member 16 and a separation direction Y2 opposite thereto. Due to the elasticity of 29a, 29a, the wedge member 16 is configured to be resiliently urged and held in the contact direction Y1, whereby the spring means 26 constitutes a holding spring means 26B.

図示のように、前記パドル部３８は、上縁に円弧凹状の嵌合部３９ａを形成すると共に、該嵌合部３９ａがパドル部３８の外側方に張り出すように円弧縁を外向きに変形させたリブ３９ｂを設けている。従って、図１２（Ｂ）に示すように、パドル部３８は、内側面に楔部材１６の側面に弾接される弾接面３９ｃを形成し、該弾接面３９ｃからリブ３９ｂを介して外側方に突出偏位された位置に嵌合部３９ａを形成している。 As shown in the drawing, the paddle portion 38 has an arc-shaped concave fitting portion 39a formed on the upper edge, and the arc edge is outwardly deformed so that the fitting portion 39a projects outside the paddle portion 38. A rib 39b is provided. Accordingly, as shown in FIG. 12 (B), the paddle portion 38 has an elastic contact surface 39c formed on the inner surface thereof so as to elastically contact the side surface of the wedge member 16, and the paddle portion 38 has an elastic contact surface 39c through the rib 39b. The fitting portion 39a is formed at a position protruded and deflected toward the side.

上記のように、挟持スプリング手段２６Ｂは、固定部２７ａ、２７ａを筒部１７の内部空間に収納された状態で固定し、アーム部２９ａ、２９ａを上側の挿通孔２１の内部に向けて配置し、パドル部３８、３８により構成された弾発保持部３０を該挿通孔２１の内部に位置させている。上顎部１８は、フランジ１３の上面に載置可能な座面１８ｂを備えた下向きの膨隆部と共に挿通孔２１を形成しているので、弾発保持部３０は、座面１８ｂと挿通孔２１の上部開口との間に収納された状態で設置される。 As described above, the holding spring means 26B fixes the fixing portions 27a, 27a in a state housed in the internal space of the cylindrical portion 17, and arranges the arm portions 29a, 29a toward the inside of the upper insertion hole 21. , The resilient holding portion 30 constituted by the paddle portions 38, 38 is located inside the insertion hole 21. The upper jaw 18 forms an insertion hole 21 together with a downwardly bulging portion provided with a seat surface 18 b that can be placed on the upper surface of the flange 13. It is installed in a state housed between the upper opening.

従って、スプリング手段２６Ｂは、顎金具１５の外部に露出することなく内部に保護された状態で装着され、しかも、受入部２０の内部空間に干渉しないように装着される。図例の場合、図１４に示すように、固定部２７ａの一部が受入部２０の内部に臨んでいるが、受入部２０に進入するフランジ１３の進入深さは、当接部１８ａ、１９ａが支柱１１に当接することにより規制されるので、フランジ１３の先端が衝突することはない。 Therefore, the spring means 26B is mounted in a protected state without being exposed to the outside of the jaw fitting 15, and is mounted so as not to interfere with the internal space of the receiving portion 20. In the illustrated example, as shown in FIG. 14, a part of the fixing portion 27a faces the inside of the receiving portion 20, but the penetration depth of the flange 13 that enters the receiving portion 20 depends on the contact portions 18a and 19a. Is restricted by contact with the support 11, so that the tip of the flange 13 does not collide.

（作用）
図１４ないし図１６は、第２実施形態に係る楔緊結装置により緊結を行うための方法と作用を示している。 (Action)
FIG. 14 to FIG. 16 show a method and an operation for tightening by the wedge tightening device according to the second embodiment.

図１４は、顎金具１５をフランジ１３の側方に臨ませた状態を示している。この際、楔部材１６は、退避位置Ｐ０に持ち上げられた状態で、スプリング手段２６により保持されている。 FIG. 14 shows a state in which the jaw fitting 15 faces the side of the flange 13. At this time, the wedge member 16 is held by the spring means 26 in a state of being lifted to the retreat position P0.

スプリング手段２６による弾発保持部３０の弾発保持力は、楔部材１６の自重による下降は阻止するが、外力による楔部材１６の上下動は許すように構成されている。 The resilient holding force of the resilient holding portion 30 by the spring means 26 prevents the wedge member 16 from lowering due to its own weight, but allows the wedge member 16 to move up and down due to external force.

従って、保持された状態の楔部材１６は、作業者が指先等で持ち上げることができ、持ち上げられた楔部材１６は、脚部２５の突起２５ａがパドル部３８の弾接面３９ｃを乗り越えて上動し、該突部２５ａを嵌合部３９ａに嵌合させられる。第２実施形態の場合、この位置が楔部材１６の退避位置Ｐ０とされており、楔部材１６の脚部２５は、受入部２０の上面（座面１８ｂ）よりも上位に位置させられている。 Therefore, the wedge member 16 in the held state can be lifted by a worker with a fingertip or the like, and the raised wedge member 16 is lifted by the protrusion 25a of the leg 25 riding over the elastic contact surface 39c of the paddle portion 38. Then, the protrusion 25a is fitted into the fitting portion 39a. In the case of the second embodiment, this position is the retracted position P0 of the wedge member 16, and the leg 25 of the wedge member 16 is positioned higher than the upper surface (the seat surface 18b) of the receiving portion 20. .

この状態で、楔部材１６は、脚部２５の両側面がパドル部３８の弾接面３９ｃにより弾性的に保持されると共に、突起２５ａを嵌合部３９ａに嵌合した状態で保持されているので、アーム部２９ａの弾発力が比較的弱いときでも、楔部材１６の自重による下降を好適に防止することができる。 In this state, the wedge member 16 is held in a state where both side surfaces of the leg 25 are elastically held by the elastic contact surfaces 39c of the paddle portion 38, and the projection 25a is fitted to the fitting portion 39a. Therefore, even when the resilience of the arm portion 29a is relatively weak, the descent of the wedge member 16 due to its own weight can be suitably prevented.

そこで、図１５に示すように、顎金具１５をフランジ１３の側方に臨ませた状態からフランジ１３に向けて横方向に移動させると、フランジ１３が好適に受入部２０に進入し、顎金具１５の座面１８ｂをフランジ１３の上面に載置することができるので、顎金具１５を横向き移動させるだけで仮置きが可能である。 Then, as shown in FIG. 15, when the jaw fitting 15 is laterally moved toward the flange 13 from a state where the jaw fitting 15 faces the side of the flange 13, the flange 13 suitably enters the receiving portion 20, and Since the seat surface 18b of the 15 can be placed on the upper surface of the flange 13, the temporary placement is possible only by moving the jaw fitting 15 sideways.

この状態から、楔部材１６を下動すると、脚部２５の突起２５ａが嵌合部３９ａを押圧し、アーム部２９ａを離反方向Ｙ２に弾性変形することにより、パドル部３８、３８の間隔を押し広げ、これにより、楔部材１６は、両側面を弾接面３９ｃに摺擦させながら、図１６に示すように、緊結位置Ｐ２まで下降し、楔緊結を行う。 When the wedge member 16 is moved downward from this state, the projection 25a of the leg 25 presses the fitting portion 39a, and the arm portion 29a is elastically deformed in the separating direction Y2, thereby pushing the space between the paddle portions 38, 38. As a result, the wedge member 16 is lowered to the tightening position P2 as shown in FIG. 16 while rubbing both side surfaces against the elastic contact surface 39c, thereby performing wedge tightening.

退避位置Ｐ０から緊結位置Ｐ２まで下動させられる間、楔部材１６は、スプリング手段２６の弾発保持部３０により所定姿勢を保持させられており、ガタツキ等により傾くことはないので、ハンマーによる殴打を容易とする。 While the wedge member 16 is moved downward from the retracted position P0 to the binding position P2, the wedge member 16 is held in a predetermined posture by the resilient holding portion 30 of the spring means 26 and does not tilt due to rattling or the like, so that it is hit with a hammer. To facilitate.

図１６に示すように、緊結位置Ｐ２まで下動させられた楔部材１６は、楔部２３を緊結孔１４の接支縁部１４ａと挿通孔２１、２２の受縁部２１ａ、２２ａの間に圧入することにより、顎金具１５の当接部１８ａ、１９ａを支柱１１の表面に圧接状態で当接する。これにより、フランジ１３と楔部材１６と顎金具１５と支柱１１の相互における緊結状態が形成される。 As shown in FIG. 16, the wedge member 16 moved down to the binding position P 2 moves the wedge portion 23 between the contacting edge portion 14 a of the binding hole 14 and the receiving edge portions 21 a and 22 a of the insertion holes 21 and 22. By press-fitting, the contact portions 18a and 19a of the jaw fitting 15 abut against the surface of the column 11 in a press-contact state. As a result, a tight connection between the flange 13, the wedge member 16, the jaw fitting 15, and the support 11 is formed.

（第３実施形態）
図１７ないし図２１は、本発明の第３実施形態に係る楔緊結装置を示している。 (Third embodiment)
17 to 21 show a wedge tightening device according to a third embodiment of the present invention.

（基本的構成）
第３実施形態の基本的構成は、第１実施形態の「基本的構成」について上述した構成と概ね同様であるから、同様の構成部分は上記と同一符号を付して図示しており、上述の説明を援用することにより、重複する説明を省略する。 (Basic configuration)
The basic configuration of the third embodiment is substantially the same as the configuration described above for the “basic configuration” of the first embodiment. By using the above description, the duplicate description will be omitted.

（楔部材と顎金具の構成）
楔部材１６は、楔部２３と該楔部２３の上部に付設された頭部２４を備える楔構成部１６Ａと、前記楔部２３に間隔をあけて並設された枝部１６Ｂにより構成されている。上述のように、支柱１１の中心に向かう前向き方向Ｘ１と、その反対方向となる後向き方向Ｘ２に関して、楔構成部１６Ａを前側に配置し、枝部１６Ｂを後側に配置するように構成されている。尚、楔構成部１６Ａの楔部２３は、支柱１１の軸線に平行となるように形成された腹部２３ａと、傾斜するように形成された背部２３ｂを備え、その間の幅寸法を下方に向けて次第に幅狭とするように形成されている。 (Configuration of wedge member and jaw fitting)
The wedge member 16 is composed of a wedge portion 23, a wedge component portion 16 A having a head portion 24 attached to an upper portion of the wedge portion 23, and a branch portion 16 B arranged in parallel with the wedge portion 23 at an interval. I have. As described above, with respect to the forward direction X1 toward the center of the column 11 and the backward direction X2 opposite thereto, the wedge component 16A is arranged on the front side, and the branch 16B is arranged on the rear side. I have. The wedge portion 23 of the wedge component 16A includes an abdominal portion 23a formed to be parallel to the axis of the column 11, and a back portion 23b formed to be inclined, and the width therebetween is directed downward. It is formed so as to be gradually narrower.

顎金具１５は、上顎部１８の挿通孔２１を前後方向に長く形成しており、前記楔構成部１６Ａと枝部１６Ｂを挿通させる。これに対して、下顎部１９の挿通孔２２は、楔用挿通孔２２Ａと枝用挿通孔２２Ｂにより構成され、楔用挿通孔２２Ａに楔構成部１６Ａを挿通させ、枝用挿通孔２２Ｂに枝部２３を挿通させるように構成している。 The jaw fitting 15 has an insertion hole 21 formed in the upper jaw 18 long in the front-rear direction, and allows the wedge component 16A and the branch 16B to pass therethrough. On the other hand, the insertion hole 22 of the lower jaw 19 includes a wedge insertion hole 22A and a branch insertion hole 22B. The wedge component 16A is inserted through the wedge insertion hole 22A, and the branch insertion hole 22B is inserted into the branch insertion hole 22B. The section 23 is configured to be inserted therethrough.

この際、楔部材１６を挿通した顎金具１５は、上顎部１８と下顎部１９の間に形成された受入部２０にフランジ１３を進入させ、上下顎部の当接部１８ａ、１９ａを支柱１１の表面に当接させたとき、楔構成部１６Ａは、フランジ１３の緊結孔１４に挿通自在とされるが、枝部１６Ｂは、フランジ１３の外側に位置させられるように構成されている。 At this time, the jaw fitting 15 into which the wedge member 16 is inserted causes the flange 13 to enter the receiving portion 20 formed between the upper jaw portion 18 and the lower jaw portion 19, and the contact portions 18 a and 19 a of the upper and lower jaw portions are supported by the support 11. The wedge-forming portion 16A is configured to be able to be inserted into the tightening hole 14 of the flange 13 when it is brought into contact with the surface of the flange 13, but the branch portion 16B is positioned outside the flange 13.

後述するように、楔部材１６を持ち上げることにより、楔構成部１６Ａを退避位置Ｐ０に位置させたとき、楔部２３の下端部が受入部２３から退避して該受入部２３を開放する。ところが、この状態において、枝部１６Ｂは、下端部を枝用挿通孔２２Ｂに挿通させ、下顎部１９の下方に突出されるように構成されている。尚、枝部１６Ｂの下端部には、リベットの頭部により形成された突起４０が設けられており、枝用挿通孔２２Ｂに係止することにより、枝部１６Ｂが枝用挿通孔２２Ｂから抜取られることを防止する。 As will be described later, when the wedge member 16 is lifted to move the wedge component 16A to the retracted position P0, the lower end of the wedge 23 retracts from the receiving portion 23 to open the receiving portion 23. However, in this state, the branch portion 16B is configured such that the lower end portion is inserted into the branch insertion hole 22B and protrudes below the lower jaw portion 19. A projection 40 formed by the head of the rivet is provided at the lower end of the branch portion 16B, and the branch portion 16B is pulled out from the branch insertion hole 22B by being locked in the branch insertion hole 22B. To prevent them from being

（スプリング手段の構成）
スプリング手段２６は、板バネを折曲することにより形成されており、顎金具１５の筒部１７に固設された軸柱４１に嵌合固定されるクリップ４２により構成された固定部２７ｂと、該固定部２７ｂから上側の挿通孔２１に向けて延びるアーム部２９ｂを備え、該アーム部２９ｂの先端に弾発保持部３０を設けている。弾発保持部３０は、アーム部２９ｂの先端から板バネを後向き方向Ｘ２に向けて開口するＵ形ないしコ形に折曲することにより形成されている。 (Structure of spring means)
The spring means 26 is formed by bending a leaf spring, and includes a fixing portion 27b formed by a clip 42 fitted and fixed to a shaft 41 fixed to the cylindrical portion 17 of the jaw fitting 15; An arm portion 29b extending from the fixing portion 27b toward the upper insertion hole 21 is provided, and a resilient holding portion 30 is provided at a tip of the arm portion 29b. The resilient holding section 30 is formed by bending a leaf spring from the tip of the arm section 29b into a U-shape or a U-shape that opens in the rearward direction X2.

前記軸柱４１は、図例の場合、鋳物製の顎金具１５に一体成形されているが、別体の部材を顎金具１５に固着したものでも良い。そこで、第３実施形態の場合、スプリング手段２６は、弾性保持部３０を枝部１６Ｂの背部に弾接することにより、楔部材１６を前向き方向Ｘ１に弾発付勢し、楔構成部１６Ａの腹部を挿通孔２１の受縁部２１ａに弾接させることにより保持するように構成され、前進スプリング手段２６Ａを構成している。 In the illustrated example, the shaft column 41 is formed integrally with the jaw 15 made of casting, but may be a member in which a separate member is fixed to the jaw 15. Therefore, in the case of the third embodiment, the spring means 26 elastically urges the wedge member 16 in the forward direction X1 by elastically contacting the elastic holding portion 30 with the back portion of the branch portion 16B, and the abdomen of the wedge component portion 16A. Is held by elastically contacting the receiving edge 21a of the insertion hole 21, and constitutes a forward spring means 26A.

このように構成されたスプリング手段２６は、顎金具１５の外部に露出することなく筒部１７の内部に保護された状態で装着され、しかも、受入部２０の内部空間に干渉しないように装着される。図例の場合、楔部材１６に関して、枝部１６Ｂの一部が受入部２０に向けて臨んでいるが、受入部２０に進入するフランジ１３の進入深さは、当接部１８ａ、１９ａが支柱１１に当接することにより規制されており、フランジ１３の先端を衝突させない位置に枝部１６Ｂが配置されている。 The spring means 26 configured as described above is mounted in a protected state inside the cylindrical portion 17 without being exposed to the outside of the chin fitting 15, and is mounted so as not to interfere with the internal space of the receiving portion 20. You. In the case of the example shown in the drawing, a part of the branch portion 16B faces the receiving portion 20 with respect to the wedge member 16, but the depth of the flange 13 that enters the receiving portion 20 depends on the contact portions 18a and 19a. The branch portion 16 B is arranged at a position where the tip end of the flange 13 does not collide with the branch portion 16 B.

（作用）
図２０及び図２１は、第３実施形態に係る楔緊結装置により緊結を行うための方法と作用を示している。 (Action)
FIG. 20 and FIG. 21 show a method and an operation for performing binding by the wedge binding device according to the third embodiment.

図２０は、顎金具１５をフランジ１３の側方に臨ませた状態を示している。この際、楔部材１６は、楔構成部１６Ａを退避位置Ｐ０に持ち上げられた状態で、スプリング手段２６により保持されている。 FIG. 20 shows a state in which the jaw fitting 15 faces the side of the flange 13. At this time, the wedge member 16 is held by the spring means 26 in a state where the wedge component 16A is lifted to the retracted position P0.

スプリング手段２６は、弾発保持部３０を枝部１６Ｂの背部に弾接することにより前向き方向Ｘ１に弾発付勢しており、楔部材１６は、楔構成部１６Ａの腹部を上側の挿通孔２１の受縁部２１ａに弾接した状態で保持されている。 The spring means 26 elastically urges the elastic holding portion 30 in the forward direction X1 by elastically contacting the back of the branch portion 16B. The wedge member 16 pushes the abdomen of the wedge component 16A into the upper through hole 21. Is held in a state of elastic contact with the receiving edge portion 21a.

スプリング手段２６による弾性保持部３０の弾発保持力は、楔部材１６の自重による下降は阻止するが、外力による楔部材１６の上下動は許すように構成されている。 The resilient holding force of the elastic holding portion 30 by the spring means 26 prevents the wedge member 16 from descending due to its own weight, but allows the wedge member 16 to move up and down due to external force.

従って、保持された状態の楔部材１６は、作業者が指先等で持ち上げることができ、その際、枝部１６Ｂの下端部の突起４０が枝用挿通孔２２Ｂの縁部に当接して受止められる。第３実施形態の場合、この位置が楔部材１６の退避位置Ｐ０とされており、楔構成部１６Ａの下端は、受入部２０の上面（座面１８ｂ）よりも上方に位置している。 Therefore, the wedge member 16 in the held state can be lifted by a worker with a fingertip or the like, and at this time, the projection 40 at the lower end of the branch portion 16B comes into contact with the edge of the branch insertion hole 22B and is received. Can be In the case of the third embodiment, this position is the retracted position P0 of the wedge member 16, and the lower end of the wedge component 16A is located above the upper surface (the seat surface 18b) of the receiving portion 20.

そこで、顎金具１５をフランジ１３の側方に臨ませた状態からフランジ１３に向けて横方向に移動させると、フランジ１３が受入部２０に進入し、当接部１８ａ、１９ａが支柱１１の表面に当接される。この状態から、顎金具１５の座面１８ｂをフランジ１３の上面に載置すると、楔構成部１６Ａの下端が緊結孔１４に臨まされる。このとき、枝部１６Ｂは、フランジ１３の外側に位置して該フランジ１３の縁部近傍に臨まされている。 Then, when the jaw fitting 15 is laterally moved toward the flange 13 from a state facing the side of the flange 13, the flange 13 enters the receiving portion 20, and the abutting portions 18 a and 19 a become the surface of the support 11. Contacted. In this state, when the seating surface 18 b of the jaw fitting 15 is placed on the upper surface of the flange 13, the lower end of the wedge component 16 A faces the binding hole 14. At this time, the branch portion 16 B is located outside the flange 13 and faces near the edge of the flange 13.

この状態から、楔部材１６を下動すると、楔構成部１６Ａは、図２１に示すように、待機位置Ｐ１を経て緊結位置Ｐ２まで下降し、楔緊結を行う。同時に、枝部１６Ｂが下降し、枝用挿通孔２２Ｂの下方に長く突き出すように挿出される。 When the wedge member 16 is moved downward from this state, as shown in FIG. 21, the wedge component 16A is lowered to the binding position P2 via the standby position P1 to perform wedge binding. At the same time, the branch portion 16B descends and is inserted so as to protrude long below the branch insertion hole 22B.

楔部材１６の下動は、退避位置Ｐ０に保持された楔構成部１６Ａの頭部２４をハンマーで殴打等することにより緊結位置Ｐ２まで下動させても良く、或いは、退避位置Ｐ０に保持された楔構成部１６Ａを指先等で待機位置Ｐ１まで下降させ、その後に頭部２４をハンマーで殴打等することにより緊結位置Ｐ２まで下動させても良い。 The downward movement of the wedge member 16 may be moved down to the binding position P2 by hitting the head 24 of the wedge component 16A held at the evacuation position P0 with a hammer, or may be held at the evacuation position P0. The wedge component 16A may be lowered to the standby position P1 with a fingertip or the like, and then the head 24 may be moved down to the binding position P2 by hitting with a hammer or the like.

退避位置Ｐ０から緊結位置Ｐ２まで下動させられる間、楔部材１６は、スプリング手段２６の弾発保持部３０に弾発付勢された状態で所定姿勢を保持しており、ガタツキ等により傾くことはないので、ハンマーによる殴打を容易とする。 While the wedge member 16 is moved downward from the retracted position P0 to the binding position P2, the wedge member 16 holds a predetermined posture while being elastically urged by the elastic holding portion 30 of the spring means 26, and tilts due to rattling or the like. There is no easy to hit with a hammer.

図２１に示すように、緊結位置Ｐ２まで下動させられた楔部材１６は、楔部２３を緊結孔１４の接支縁部１４ａと、上側の挿通孔２１の受縁部２１ａ及び下側の楔用挿通孔２２Ａの受縁部２２ａの間に圧入することにより、顎金具１５の当接部１８ａ、１９ａを支柱１１の表面に圧接状態で当接する。これにより、フランジ１３と楔部材１６と顎金具１５と支柱１１の相互における緊結状態が形成される。 As shown in FIG. 21, the wedge member 16 that has been moved down to the binding position P 2 moves the wedge 23 to the contacting edge 14 a of the binding hole 14, the receiving edge 21 a of the upper insertion hole 21, and the lower side. By press-fitting between the receiving edge portions 22a of the wedge insertion holes 22A, the contact portions 18a and 19a of the jaw fitting 15 abut against the surface of the column 11 in a press-contact state. As a result, a tight connection between the flange 13, the wedge member 16, the jaw fitting 15, and the support 11 is formed.

第３実施形態の場合、足場の解体等に際しては、枝用挿通孔２２Ｂから挿出した枝部１６Ｂの下端により被殴打部４３が形成されているので、該被殴打部４３をハンマー等により殴打することにより、楔部材１６を上動させることができるので、緊結状態を解除する作業が容易となる。 In the case of the third embodiment, when the scaffold is dismantled or the like, the beating portion 43 is formed by the lower end of the branch portion 16B inserted from the branch insertion hole 22B. Therefore, the beating portion 43 is hit with a hammer or the like. By doing so, the wedge member 16 can be moved upward, so that the work of releasing the tightened state becomes easy.

１１支柱
１２連結部材
１３フランジ
１４緊結孔
１４ａ接支縁部
１５顎金具
１６楔部材
１６Ａ楔構成部
１６Ｂ枝構成部
１７筒部
１７ａ内側底部
１８上顎部
１８ａ当接部
１８ｂ座面
１９下顎部
１９ａ当接部
２０受入部
２１上側の挿通孔
２１ａ受縁部
２２下側の挿通孔
２２Ａ楔用挿通孔
２２Ｂ枝用挿通孔
２２ａ受縁部
２３楔部
２３ａ腹部
２３ｂ背部
２４頭部
２４ａ突起
２５脚部
２５ａ突起
２６スプリング手段
２６Ａ前進スプリング手段
２６Ｂ挟持スプリング手段
２６ａ板バネ
２７、２７ａ、２７ｂ固定部
２８起立部
２９、２９ａ、２９ｂアーム部
３０弾発保持部
３１、３２固着具
３３保持金具
３４押動部
３５保持片
３５ａ受止め部
３６軸部材
３７締結具
３８パドル部
３９ａ嵌合部
３９ｂリブ
３９ｃ弾接面
４０突起
４１軸柱
４２クリップ
４３被殴打部 DESCRIPTION OF SYMBOLS 11 Support 12 Connection member 13 Flange 14 Tightening hole 14a Contact support edge 15 Jaw fitting 16 Wedge member 16A Wedge component 16B Branch component 17 Tube 17a Inner bottom 18 Upper jaw 18a Contact portion 18b Seat surface 19 Lower jaw 19a Contact portion 20 Receiving portion 21 Upper insertion hole 21a Reception edge 22 Lower insertion hole 22A Wedge insertion hole 22B Branch insertion hole 22a Reception edge 23 Wedge 23a Abdomen 23b Back 24 Head 24a Projection 25 Leg 25a Projection 26 Spring means 26A Forward spring means 26B Nipping spring means 26a Leaf springs 27, 27a, 27b Fixed part 28 Upright parts 29, 29a, 29b Arm part 30 Resilient holding parts 31, 32 Fixing fixture 33 Holding fitting 34 Pushing part 35 Retaining piece 35a Receiving part 36 Shaft member 37 Fastener 38 Paddle part 39a Fitting part 39b Rib 39c Elastic contact surface 40 Projection 41 axial column 42 clip 43 to be beaten section

Claims

It is a binding device that connects a flange fixed to a support and a jaw fitting fixed to a connecting member,
With the flange inserted into the receiving part formed between the upper and lower jaws of the chin fitting, the wedge member inserted into the through hole of the upper and lower jaws and the tightening hole of the flange is driven down to the tightening position. By pressing the wedge portion of the wedge member between the contact support edge of the binding hole and the receiving edge of the insertion hole, the contact portion at the tip of the jaw fitting contacts the support.
A position where the wedge member (16) is retracted above the receiving portion so as not to hinder the entry of the flange (13) into the receiving portion (20) is set as a retracted position (P0), and an elastic member for holding the wedge member at the retracted position. A spring means (26) with a spring holding part (30) is provided,
The wedge tightening device for a scaffold, wherein the holding force of the elastic holding portion (30) prevents the wedge member from lowering due to its own weight, but allows the wedge member to move up and down due to an external force.

The spring means (26) positions the resilient holding portion (30) inside the insertion hole (21) of the upper jaw (18) and resiliently moves the wedge member (16) in the forward direction X1 toward the center of the support. The scaffold according to claim 1, characterized in that the scaffold is constituted by forward spring means (26A) which urges and holds the insertion hole (21) by elastic contact with a receiving edge (21a) of the insertion hole (21). Wedge binding device.

The spring means (26) positions the spring holding portion (30) inside the insertion hole (21) of the upper jaw (18), and also springs in the contact direction Y toward the side surface of the wedge member (16). 2. The wedge tightening device for a scaffold according to claim 1, further comprising a holding spring means (26B) for holding by pressing and holding.

The wedge member (16) has a branch (16B) arranged in parallel with the wedge (23) at an interval, and the branch has a flange (13) with the wedge facing the tightening hole. And is formed longer than the wedge portion so as to extend below the flange (13) regardless of whether the wedge portion is located at the retracted position (P0) or the binding position (P2). The lower part of the part (16B) constitutes the hit part (42),
The branch portion (16B) is elastically urged by an elastic holding portion (30) of the spring means (26) to hold the wedge member at the retracted position (P0). The wedge tightening device for a scaffold according to claim 1, 2 or 3, wherein:

The chin fitting (15) has an upper jaw (18) and a lower jaw (19) extending from a cylindrical part (17) fixed to the connecting member (12), and a receiving part (20) between the upper and lower jaws. In the configuration formed by
The spring means (26) includes an arm portion (29) extending from a fixed portion (27) in a fixed state accommodated in the cylindrical portion (17) toward an insertion hole of an upper jaw portion. The wedge binding device for a scaffold according to claim 1, 2, 3, or 4, further comprising a resilient holding portion (30).