JP4111214B2 - How to mount the gate block reinforcing bar to the formwork for manufacturing the coupler assembling jig and the reinforcing bar with the coupler - Google Patents

Description

  The present invention relates to a coupler assembling jig for assembling a coupler to the tip of a reinforcing bar on a side wall of a gate-shaped block reinforcing bar, and a reinforcing bar with a coupler for a gate-shaped block in which the coupler is assembled to the side wall of the reinforcing bar. Further, the present invention relates to a method for mounting a reinforcing bar with a connector of a gate-shaped block to a manufacturing form.

  At the tip of the side wall of the portal block, there is a connector assembled to the reinforcing bars arranged in the side wall to connect the portal block to the base or to connect the portal blocks facing each other. It has been.

  In this conventional connector, for example, as shown in Patent Document 1, a screw is provided at the tip of the side wall reinforcing bars, and the opposite side wall reinforcing bars are screwed to each other and to the screws of the reinforcing bars. It consists of a cap nut type coupler to be joined, and the rebar is connected by tightening this coupler.

JP 2001-32388 A

  In the above-described prior art, a screw must be provided at the tip of the side wall reinforcing bar, and a coupler for screwing and connecting the individual reinforcing bars to each other must also be made by machining. Therefore, there is a problem in that a lot of machining is required and the cost for the coupler is increased.

  Further, in the above-described prior art, since the connector is assembled to each reinforcing bar after the gate-shaped reinforcing bar is attached to the formwork, that is, before the concrete is placed or after the concrete is placed. Assembling of the coupler is performed in a separate process from the above-mentioned gate-shaped reinforcing bars, and the number of the couplers is increased for each reinforcing bar. There is a problem that the number of processes increases.

  In addition, in this type of portal block, there is a case where an oblique portal block is formed in which the posture of the side wall is inclined with respect to the interval between both side walls, that is, with respect to the beam portion. When constructing the blocks, it is necessary that the position of the coupler at the end of the side walls of both blocks be mutually accurate. Therefore, when one or more couplers are provided at predetermined positions of the end portion of the internal reinforcing bar of the side wall, the side wall portion corresponds to the dimensional change of the side wall portion depending on the oblique angle and the dimensional error of the interval between the side wall reinforcing bars. There is a need for a coupler assembly jig that can accurately mount the connector of the reinforcing bar for the side wall of the bevel gate block according to different bevel angles so that the connector is accurately exposed in the recessed hole at a predetermined position. It was.

  The present invention has been considered in view of the above, and when a reinforcing bar for a side wall is arranged together with the reinforcing bar of the beam portion, a coupler can be assembled to the side reinforcing bar without particularly requiring machining. In addition, a gate block reinforcing bar connector assembling jig and a connector capable of accurately assembling the connector in a predetermined oblique angle range of the side wall at the time of forming the oblique gate block. An object of the present invention is to provide an assembly reinforcing bar and a method for mounting the same on a formwork for manufacturing the same.

In order to achieve the above-described object, the gate block reinforcing bar coupler assembly jig according to the present invention connects a coupler formed by standing a rod-shaped bonding member on the coupler body to the reinforcing bar for the side wall. In the gate block rebar coupler assembly jig assembled, the base provided on the base of a predetermined length, and the base can be turned horizontally on the base and fixed at an arbitrary angle. A swivel base, a coupler mounting member that is detachably fixed on the swivel base and has a coupler mounting means for detachably mounting the coupler main body of the coupler, and movable on the foundation in the longitudinal direction thereof The structure is provided with at least one reinforcing bar support that is attached and can be adjusted in height and supports the reinforcing bar of the beam portion of the portal block.

  In the above configuration, the base is provided on both sides in the longitudinal direction of the foundation, at least one of which is movable in the longitudinal direction, the length of the foundation is variable, and the swivel angle of the swivel is shown on the upper surface of the base. An angle scale is provided.

  Further, in the gate block reinforcing bar connector assembling jig of each configuration described above, support pillars are erected on both side ends with respect to the turning center of the swivel base, and the reinforcing bars for the side walls of the gate block are provided between the pillars. The holding member that is held together with the joining member of the coupler to be joined is configured to be movable from the posture of holding the side wall reinforcing bar and the joining member of the coupler to the posture of removing the holding.

  And the reinforcing bar with a connector of the gate-shaped block which concerns on this invention has assembled | attached the connector to the reinforcing bar for side walls.

Further, according to the present invention, there is provided a method for mounting a portal block rebar with a connecting form to a formwork for manufacturing, wherein a rebar for a side wall formed by connecting adjacent rebars to a rebar for a connector assembly jig. A plurality of couplers fixed at predetermined intervals on the mounting member are assembled into a rebar with a coupler having a plurality of couplers, and then each coupler is removed from the coupler assembly jig, and this coupler is attached. Reinforcing bars were placed on the bottom member of the mold for production in the mold open state, and each coupler was detachably fixed to the bottom member.

  According to the present invention, since the bar-shaped joining member of the connector manufactured in advance is assembled to the reinforcing bar for the side wall of the gate-shaped block including the L-shaped divided gate-shaped block, Machining as a coupler for coupling to the member is not required, and the cost for the coupler can be reduced.

  In particular, in the invention according to claims 1 to 5, the coupler can be assembled at the exact position of the reinforcing bar for the side wall based on the product design of the portal block including the L-shaped divided portal block. . Even when the side wall of the portal block at this time is inclined at an arbitrary angle with respect to the longitudinal direction of the beam, it is connected corresponding to an arbitrary inclination angle including a right angle with respect to the length direction of the beam portion of the side wall. The vessel can be joined to the side wall rebar.

  In particular, in the invention according to claim 5, the joining position between the reinforcing bar for side wall and the joining member of the coupler can be accurately positioned in the thickness direction of the side wall, and the so-called fogging dimension can be properly maintained. .

Further, according to the method of mounting the reinforcing bar with the connector of the gate block according to the sixth aspect of the present invention on the manufacturing formwork, before the reinforcing bar is mounted on the manufacturing formwork, the connector is attached to the sidebar reinforcing bar. By being assembled, it is not necessary to perform the process of attaching the coupler when placing the concrete, or after placing, as in the past, and the number of steps for molding the gate block is reduced. Can do.

FIGS. 1 to 3 show some examples of portal blocks to which the present invention is to be applied. FIG. 1 shows that the left and right side wall portions a ₁ and a ₂ of the beam portion a are A normal portal block A having a right angle with respect to the length direction is shown, and in FIG. 2, the left and right side wall portions b ₁ and b ₂ are in the length direction of the beam portion b. beveled gantry block B which is inclined in the same direction (parallel) for, FIG. 3, the beam portion c and one side wall portion c ₁ having a shape divided in the lateral direction of the oblique gantry block B in the beam portion b Each of the divided bevel gate blocks C is shown. Although not shown in the drawings, there is a case in which the side wall portion is inclined in a C shape (symmetrical shape) with respect to the beam portion.

  Of the gate-shaped blocks A, B, C, the first and second gate-shaped blocks A, A, B are joined by connecting the end faces of the side walls to each other of the couplers J assembled to this portion. For example, as shown in FIG. 1, B is configured as a culvert by combining upside down with the top and bottom reversed.

And there are various usage in the case of split beveled gantry block C shown in FIG. 3, for example, used to combine the folding screen-like block D on the end surface of the side wall c ₁ of this.

Each of the portal blocks A, B, and C is disposed on the beam reinforcing bar e disposed on the beam portion b and each of the side wall portions b ₁ and b ₂ , as in the oblique gate block B illustrated in FIG. Reinforcing bars MD composed of side wall reinforcing bars e ₁ and e ₂ are internally provided, and a connector J, which will be described later, is assembled to the ends of both side wall reinforcing bars e ₁ and e ₂ . In this case, the connector J at this time is provided on the outside of the block in each figure, but this may be provided on the inside or may be provided on both sides.

The present invention relates to a jig for assembling the connector J to the side wall reinforcing bars e ₁ and e _2, and the _first embodiment will be described below with reference to FIGS. 4 to 11.

  FIG. 4 is a perspective view showing a schematic configuration of the coupler assembling jig, and FIG. 5 is a front view thereof. 4 and 5, reference numeral 1 denotes a foundation formed by connecting two frames 1a and 1b apart in the front-rear direction and connected in parallel, and 2a and 2b are foundations disposed on both sides of the foundation 1 in the left and right (longitudinal) direction. In addition, at least one base 2b is further detachable so as to be movable in the left-right direction and fixed at an arbitrary position.

  The pair of frames 1a and 1b constituting the foundation 1 are made of a shape material such as H-shaped steel, groove steel, and square pipe. Each of the frames 1a and 1b is divided in the longitudinal direction and slidably fitted to the divided end portion so that the length of the foundation 1 can be changed.

  4 and 5, reference numeral 3 denotes a reinforcing bar support for supporting the above-described reinforcing bar MD. Each reinforcing bar support 3 is movable in the left-right direction with respect to the frames 1 a and 1 b on the front and rear of the foundation 1. A pair of front and rear support parts 4a and 4b engaged with each other, and a horizontal member 5 that can be slid in the vertical direction on each of the support parts 4a and 4b and can be fixed at an arbitrary height. A plurality of the reinforcing bar support tables 3 are arranged in the left-right direction so that the number thereof can be increased or decreased. The horizontal member 5 is formed in a gate shape so as to support the beam portion of the reinforcing bar MD.

  FIG. 6 is a perspective view showing a base 2b portion on the right side of the coupler assembling jig shown in FIGS. Since the structures on the left and right bases 2a and 2b are the same, this structure will be described below in the right part shown in FIG.

  A turntable 6 is supported on the base 2b so as to be turnable in the horizontal direction about the vertical axis and fixed at an arbitrary rotational angle position. As shown in FIG. 7A, for example, the support portion is configured such that a shaft 8 protruding from the lower surface of the swivel base 6 is rotatably fitted to a bearing member 7 provided on the base 2b. The outer periphery of the front end portion of the bearing member 7 is tapered with a diameter gradually increasing from the front end, and a slit groove 7a is provided at the front end portion. Further, a screw is provided on the outer periphery of the front end portion of the support member 7. A nut 9 is screwed into this screw so that the tip of the support member 7 is reduced in diameter so that the shaft 8 can be fixed. The nut 9 is rotated by a spanner 10 inserted into this portion from the outside.

  7B, a pair of tongue pieces 11a and 11b that are opposed to each other in the direction perpendicular to the axis are provided on both sides of the slit groove on the outside of the slit portion of the support member 7 '. A screw hole is provided concentrically on one side and a loose insertion hole having a diameter larger than that of the screw hole on the other side, and both tongue pieces 11a and 11b are attached to a screw rod 12 rotated by a handle 12a inserted into the screw hole from the loose insertion hole. The shaft 8 fitted to the support member 7 ′ may be fixed by tightening.

  In this embodiment, the pair of left and right swivels 6 and 6 are individually swung. However, both swivels 6 and 6 are connected by a link or the like, By turning, the other turntable may turn in conjunction with this.

  In FIG. 6, an angle scale 13 is provided on the surface of the base 2 b and on the turning locus portion of the longitudinal end surface of the swivel base 6, and the corresponding pointer 14 is engraved on the end face of the swivel base 6. is there. The position of the angle scale 13 corresponding to the pointer 14 when the swivel base 6 is perpendicular to the foundation 1 is “0”. From this position to both sides, for example, within a range of plus or minus 50 degrees. The scale is engraved.

  In FIG. 6, a coupler mounting member 15 for mounting a coupler J described later is detachably mounted on the upper surface of the swivel base 6. For example, tightening holes 16, 16 are provided at both ends of the connector mounting member 15, and there are screw holes in the swivel 6 at positions corresponding to the respective tightening holes 16, and bolts are inserted into the tightening holes 16. By tightening, the coupler mounting member 15 is detachably fixed to the swivel base 6. In order to prevent the head of the bolt at this time from protruding from the upper surface of the coupler mounting member 15, a recess in which the head of the bolt sinks is provided in the opening of the tightening hole 16.

  The coupler mounting member 15 has a rectangular parallelepiped shape having a length L, a width W, and a height t. The length L of the connector mounting member 15 is an angle from a right angle to the beam portion of the side wall portion of the portal block. It is the length corresponding to the side wall length of the side wall portion at the time. The width W is an arbitrary width according to the thickness of the side wall.

  The connector mounting member 15 is provided with screw holes 17 for mounting the connector J at a plurality of locations in the longitudinal direction. The number of screw holes 17 and the interval between them correspond to the form and the number of attachments of the connector J to be mounted on the connector mounting member 15. Each screw hole 17 is provided on a line passing through the turning center of the turntable 6.

  FIGS. 8A to 8D are perspective views showing couplers J1, J2, J3, and J4 of various types of couplers J used in the coupler assembly jig of the present invention. .

  The connector J1 shown in FIG. 8 (a) has a bolt hole 18 into which a bolt to be screwed into the screw hole 17 of the connector mounting member 15 is formed at the longitudinal center of the upper surface of the rectangular parallelepiped connector body JB. The rod-shaped joining members 19, 19 are erected on both sides thereof.

  In the connector J2 shown in FIG. 8 (b), a rod-like joining member 19 is erected at the center in the longitudinal direction of the rectangular parallelepiped connector body JB in the same manner as the connector J1 described above, and bolts are provided on both sides thereof. Holes 18 and 18 are formed.

  The connector J3 shown in FIG. 8C has a frame shape in which the connector main body BJ has an opening on the front side, and rod-shaped joining members 19 and 19 are erected on both sides of the upper surface thereof. In addition, one or two bolt holes 18 are formed in the lower side constituting the frame of the connector main body JB.

  The connector J4 shown in FIG. 8 (d) has a frame shape in which the connector main body JB has an opening on the front side in the same manner as the connector J3 described above, and has one joining member at the center of the upper surface thereof. 19 is erected, and one bolt hole 18 is formed in the lower side constituting the frame of the connector main body JB.

The coupler main body JB of these couplers J1-J4 is comprised with hard materials, such as steel or cast iron, and the lower surface is a flat attachment surface, respectively. Further, the joining member 19 is joined to the front end portion of the reinforcing member MD with the left and right side wall reinforcing bars e ₁ and e ₂ by welding or bundling with a steel wire, etc., and has a predetermined length and uses a deformed steel bar. It has been. The couplers J1 to J4 constituted by these are preferably subjected to corrosion prevention and rust prevention treatment such as galvanization or painting. The joining member 19 is coupled to the connector main body JB by friction welding or by ordinary welding. Although it is not preferable because it requires machining, there may be a screw connection.

  Each of the couplers J1 to J4 is pre-manufactured in another process by the coupler main body JB and the rod-shaped joining member 19 as described above, and special machining is required to produce this. And not.

When the coupler assembly jig having the above-described configuration is used, the coupler J3 is coupled to the tips of the wall reinforcing bars e ₁ and e ₂ on both sides of the reinforcing bar MD of the oblique gate block B shown in FIG. explain.

4 and 5, the left and right swivel bases 6 and 6 are pivoted and fixed at an angle corresponding to the oblique angle θ of the both side walls b ₁ and b ₂ of the oblique portal block B. Next, as shown in FIG. 9, a predetermined number of couplers J3 are passed through the coupler mounting member 15 fixed on the swivel bases 6 and 6, and the coupler mounting member 15 passes through the bolt holes 18 thereof. It fixes with the volt | bolt 20 screwed in the provided screw hole 17. As shown in FIG.

  Next, as shown in FIG. 5, the rebar MD made in another work place is moved by a crane and hung on the rebar support base 3 of the coupler assembly jig. The height of the reinforcing bar support 3 at this time is set in advance so that the height of the beam portion b of the reinforcing bar MD is a predetermined height from the coupler mounting member 15.

In this state, as shown in FIG. 9, the respective front end portions of the side wall reinforcing bars e ₁ and e ₂ of the reinforcing bar MD overlap with the respective joining members 19 erected on the coupler J3 on the coupler mounting member 15. Adjacent. In this state, the adjacent reinforcing bars and the joining member 19 are joined together by welding or bundled together with a wire to be joined together.

As described above, a rebar with a coupler in which a coupler J is assembled at a predetermined position of the tip of the reinforcing bars for side walls e ₁ and e ₂ of the reinforcing bar MD is configured. By setting the angle of the swivel base 6 according to the oblique angle with respect to the beam portions of the side wall reinforcing bars e ₁ and e ₂ at this time, the coupler J can be assembled according to an arbitrary oblique angle.

At this time, in the example shown in FIG. 9, an example in which the side bars e ₁ and e ₂ are directly joined to the joining member 19 erected on each coupler J3 is shown. However, as shown in FIG. The adjacent reinforcing bars 22 that are bridged to each other are joined to the joining members 19 of the plurality of couplers J attached on the fixture attaching member 15 by welding or the like, and the side-wall reinforcing bars e ₁ and e ₂ are joined thereto. You may make it do. Also, as shown by the chain line in the figure, by using the long anchor bars 23 satisfying the adhesion strength, it can of course be used as the coupler J without being joined to the side wall reinforcing bars e ₁ and e ₂ . By comprising in this way, the external force which acts on the coupler J is distributed and transmitted with respect to a side wall reinforcing bar, and generation | occurrence | production of a local stress can be prevented.

The side-bar rebars e ₁ and e ₂ to which the coupler J is assembled in the first embodiment are placed along the joint member 19 of the coupler J, so that the side-bar rebars e ₁ and e ₂ are The positions in the thickness direction of b ₁ and b ₂ are appropriate, and the so-called cover dimensions of the reinforcing bars e ₁ and e ₂ are properly maintained.

  At this time, the coupler J is assembled at an arbitrary position inside or outside the side wall. Moreover, when assembling the coupler J on both the inner and outer sides, the width W of the coupler mounting member 15 is widened, and the couplers are attached to the inner and outer two rows.

  In the above-described configuration, the example in which the bolt 20 is used to attach the coupler J to the coupler attachment member 15 has been shown. However, in consideration of the convenience of attaching and detaching the coupler J to the coupler attachment member 15. As shown in FIG. 11 (a), instead of the bolt 20, a positioning pin 24 protrudes from the coupler mounting member 15, and a hole 25 provided in the coupler main body JB is fitted into the positioning pin 24. As shown in (2), both may be held by the long nose type grip pliers 26 or clamps. In this case, a holding groove 15a into which the grip pliers 26 and the like can be inserted is provided on the lower surface of the connector mounting member 15.

FIG. 12 is a perspective view showing an essential part of the second embodiment of the coupler mounting jig according to the present invention, and FIGS. 13A and 13B are a joining member 19 of the coupler J and the side bars e ₁ and e. It is explanatory drawing which shows ₂ joining positional relationship.

  In the second embodiment, support columns 27 and 27 are erected on both ends of the swivel base 6a, and the coupler mounting member 15 shown in the first embodiment is mounted on the swivel base 6a. ing. Bracket members 28, 28 are fitted to the columns 27, 27 so as to be slidable in the vertical direction and to be fixed at arbitrary height positions. A plate-like holding member 29 that bridges between the support columns 27 and 27 is supported by the bracket members 28 and 28 so as to be rotatable from a horizontal state to an upward standing posture.

  It should be noted that the gates 30 and 30 of the gate-shaped support member straddling both the columns 27 and 27 are slidably supported on the columns 27 and 27 so as to be fixed at an arbitrary height. The end of the reinforcing bar MD of the portal block can be supported by the shaped support member. Further, the reinforcing member of the screen-like block D shown in FIG. 3 can be vertically supported by this supporting member.

The holding member 29 is in a position corresponding to the joint portion of the joint member 19 of each coupler J and the side wall reinforcing bars e ₁ and e ₂ attached to the coupler attachment member 15 in the horizontal orientation. A large number of slits 31 are provided so that they can enter. The width of the cut groove 31 at this time, as shown in FIG. 16 (a), or to put on top in the depth direction the joining member 19 on the side wall reinforcing bar e _1, e ₂ and coupler J, ( As shown in b), they can be arranged side by side or appropriately selected. In this manner, the rebars e ₁ and e ₂ and the joining member 19 are joined together by welding or bundling while being constrained by the cut groove 31.

14 is a cross-sectional view (XX cross-sectional view of FIG. 12) showing the positional relationship of the holding member 29, the side wall reinforcing bars e ₁ and e _2, and the connecting member 19 of the coupler J. FIG. A case where the reinforcing bars e ₁ and e ₂ and the joining member 19 are overlapped in the depth direction in the cut groove 31 of the holding member 29 is shown in FIG. The chain line in the figure indicates the outer surface position of the side wall of the portal block after molding.

In the second embodiment, in either case of FIGS. 14A and 14B, the side wall reinforcing bars e ₁ and e ₂ to be joined to each other and the side wall of the joining member 19 of the coupler J in the thickness direction. Positioning is performed accurately, and the distance from the outer surface of the side wall to the reinforcing bars e ₁ and e ₂ , the so-called cover dimension k can be set appropriately. The holding member 29 is separated from the bonded reinforcing bars e ₁ and e ₂ and the bonding member 19 by rotating the holding member 29 in the standing direction.

Next, a description will be given of a method of mounting the connector-attached reinforcing bar in which the connector J is assembled to the tip of the side wall reinforcing bars e ₁ and e _{2 in} the above-described first and second embodiments to the formwork for manufacturing the portal block. .

  In the state where the attachment of the coupler J to the ends of the side wall reinforcing bars on both the left and right sides of the reinforcing bar MD is completed, the holding member 29 is raised in the case of the above-described first embodiment, and in the case of the second embodiment, which is an obstacle. After that, each coupler J is removed from the coupler mounting member 15 and the rebar with the coupler is hung by a crane and hung at a predetermined position on the bottom plate portion of a manufacturing formwork (not shown). Lower and fix each connector J on the bottom plate with bolts. Thereafter, the manufacturing form is closed and tightened to place concrete, whereby a portal block with a connector J is formed at a predetermined position.

  In the case of the divided bevel gate block C shown in FIG. 3, the coupler J is assembled to the tip of one side wall reinforcing bar with respect to the divided beam portion by using one of the left and right swivels.

  Similarly, in the case of the folding screen-shaped block D shown in FIG. 3, the coupler J is assembled to the tip of the reinforcing bar of the folding screen-shaped block D using the turntable on one side. In addition, since the reinforcing bar of this folding screen block D has no horizontal beam portion, it cannot be supported by the reinforcing bar support 3, but the legs 30 and 30 in the coupler assembly jig in the second embodiment shown in FIG. This reinforcing bar can be supported vertically by the provided support member.

  At the time of mounting the reinforcing bar with the coupler on the manufacturing form, after the reinforcing bar with the coupler is completed, the coupler mounting member 15 is removed from the swivel bases 6 and 6 while the coupler J is mounted. It may be hung with the member 15 attached, and hung at a predetermined position on the bottom plate portion of the manufacturing formwork to fix the connector mounting member 15 on the bottom plate portion with a bolt.

  As the manufacturing form for placing concrete by placing the reinforcing bars, a conventionally known one is used in which the form plate is formed by rotating or sliding the frame plate with respect to the bottom plate portion.

The rebar with connector constructed according to each of the above embodiments is assembled by attaching the coupler J to the side wall rebars e ₁ and e ₂ before moving to the manufacturing formwork. By fixing the rebar with connector to the bottom plate part of the formwork, the front / rear, left / right, top / bottom position of the rebar with connector and the above-mentioned cover dimensions, etc. can be properly maintained. It is not necessary to attach a spacer to the important part of the side wall, and the cost for this can be reduced.

  The specific configuration of the coupler assembling jig is not limited to the embodiment described above, and can be freely changed without departing from the scope of the invention. For example, when the distance between the side walls is constant, both the bases 2a and 2b may be fixed to the base at a predetermined distance. In the case of the divided portal block C shown in FIG. 3, only one of the left and right sides is required for the base and the swivel provided on the base.

It is a perspective view which shows the state which made the gate-shaped block which made the side wall part the right angle with respect to the beam part, and opposed and connected both portal blocks. 1 shows a beveled gate block with a side wall portion inclined with respect to a beam portion, wherein (a) is a plan view, (b) is a front view, and (c) is a side view. It is a bevel gate block divided by a beam portion, and shows a state where a folding screen block is attached to the side wall portion thereof, (a) is a plan view, (b) is a front view, and (c) is a side view. It is. It is a perspective view which shows schematic structure of the coupler assembly | attachment jig | tool in Example 1. FIG. It is a front view which shows schematic structure of the coupler assembly | attachment jig | tool in Example 1. FIG. It is a perspective view which shows the principal part of the coupler assembly | attachment jig | tool in Example 1. FIG. (A), (b) is sectional drawing and a perspective view which show each different structure of the fixing means of a turntable. (A), (b), (c), (d) is a perspective view which shows each different embodiment of a coupler. It is a perspective view which shows the state which attached the coupler to the coupler attachment member in Example 1. FIG. It is explanatory drawing which shows the state which joined between the joining members of the coupler with the auxiliary muscle. The other example of the attachment means to the connector attachment member of a connector is shown, (a) is the disassembled perspective view, (b) is sectional drawing. It is a perspective view which shows the principal part of the coupler assembly | attachment jig | tool in Example 2. FIG. (A), (b) is explanatory drawing which shows the example from which each differs in the part of the notch groove of the holding member in FIG. (A), (b) is XX sectional drawing of FIG. 12, and is explanatory drawing in the holding member from which the coupler assembly | attachment jig | tool shown in FIG. 12 differs.

Explanation of symbols

A ... Gate-shaped block, B ... Bevel block-shaped block, C ... Divided bevel-shaped gate block, D ... Vertical block, a, b ... Beam part, a ₁ , a ₂ , b ₁ , b ₂ , c ₁ ... Side wall parts, MD ... rebar, e ... beams for reinforcing bars, _{e 1,} e 2 _... sidewall reinforcing bar, J, J1, J2, J3, J4 ... coupler, JB ... connector body, 1 ... foundation, 2a, 2b ... foundation 3 ... Reinforcing bar support base, 4a, 4b ... Bearing part, 5a, 5b ... Horizontal member, 6, 6a ... Swivel base, 7, 7 '... Bearing member, 7a ... Slot groove, 8 ... Shaft, 9 ... Nut DESCRIPTION OF SYMBOLS 10 ... Spanner, 11a, 11b ... Tongue piece, 12 ... Screw rod, 12a ... Handle, 13 ... Angle scale, 14 ... Pointer, 15 ... Coupler attachment member, 15a ... Gripping groove, 16 ... Tightening hole, 17 ... Screw holes, 18 ... Bolt holes, 19 ... Joint members, 20 ... Bolts, 22 ... Auxiliary bars, 23 ... Anchor bars, 24 ... Positions Because pin 25 ... hole, 26 ... grip pliers, 27 ... post, 28 ... bracket member, 29 ... holding member, 30 ... leg, 31 ... notches.

Claims (6)

In a connector assembly jig for a gate-shaped block reinforcing bar, in which a connecting member in which a rod-shaped connecting member is erected on the connecting body is assembled by connecting the connecting member to a side wall reinforcing bar,
A foundation provided on a foundation of a predetermined length;
A swivel provided on the base so as to be turnable in a horizontal direction and fixed at an arbitrary angle;
A coupler mounting member that is detachably fixed on the swivel base and has a coupler mounting means for detachably mounting the coupler main body of the coupler;
At least one reinforcing bar support which is mounted on the foundation so as to be movable in the longitudinal direction and which supports the reinforcing bars of the beam part of the gate-shaped block in a height-adjustable manner;
A fixture for assembling a gate-shaped block reinforcing bar.   2. The coupler assembly jig according to claim 1, wherein the base is provided on both sides of the base in the longitudinal direction and at least one of the bases is movable in the longitudinal direction.   The connector assembly jig according to claim 2, wherein the length of the foundation is variable.   The coupler assembly jig according to any one of claims 1 to 3, wherein an angle scale indicating a turning angle of the swivel base is provided on an upper surface of the base.   Struts are erected on both ends of the swivel center with respect to the swivel center, and a holding member that holds the reinforcing bar for the side wall of the portal block together with the joining member of the coupler that joins it is connected to the reinforcing bar for the side wall. The coupler assembly jig according to any one of claims 1 to 4, wherein the connector assembly jig is provided so as to be movable from a posture for holding the joining member of the fitting to a posture for removing the holding member. A coupler having a plurality of couplers by assembling a plurality of couplers fixed at predetermined intervals to a coupler mounting member of a coupler assembly jig on a side wall reinforcing bar formed by coupling adjacent reinforcing bars. After that, each coupler is removed from the coupler assembly jig, and this reinforcing bar with coupler is placed on the bottom member of the mold for production in the mold open state, and each coupler is attached to this bottom member. A method for mounting a reinforcing bar with a connector of a gate-shaped block to a formwork for manufacturing, characterized in that it is detachably fixed.

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