JP2002061299A - Execution method using jig for anchor construction tool and above jig - Google Patents

Abstract

PROBLEM TO BE SOLVED: To permit the screw-in and fixing operations of a pin-driving type anchor to be carried out by means of a single tool. SOLUTION: The jig is composed of an approximately rod-like rotation-percussion operating part 1, a socket part 20 having a through hole 21 whereinto the end side of the operating part 1 is inserted, and a coupling member 40 for coupling the operating part 1 and the socket part 20 together. The base end of the operating part 1 is provided with a coupling part 2 coupled to the drive part of a hammer drill, and the end of the operating part 1 is provided with a percussion part 7 for giving percussions to the pin of the anchor for the purpose of enabling turning force to be transferred to the socket part 20 reciprocating in a longitudinal direction on the end side of the operating part 1. A coil spring 10 is interposed between the end surface of the base end of the socket part 20 and the operating part 1. A projection part 22 serving as a stopper is mounted on the outer periphery surface of the socket part 20. The coupling member 40 is rotated at an angle of approximately 90 degrees, and the projection part 22 is aligned with a release groove 45 formed in the inner periphery surface of the through hole 41 of the coupling member 40 in order to allow the socket part 20 to be moved backward to the side of the base end. Consequently, the percussion part 7 at the end of the operating part 1 can give the percussions to the pin of the anchor.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to concrete,
To attach and fix objects such as various metal fittings to structures such as bricks or blocks, and to screw in and fix a pin driving type anchor (self-drilling anchor) mainly used for self-drilling which is used when fixing The present invention relates to a jig for a construction tool to be used.

[0002]

2. Description of the Related Art FIG. 11 is a front view showing an example of a self-drilling anchor. This self-drilling anchor includes a main body 70 and a pin 81,
Is composed of a head 71 formed at the upper base end thereof, and a shaft 72 extending downward from the head 71.
Is provided with a drill blade 80 for drilling. The head 71 is provided with a head 6 that can engage with the rotating part of the electric rotating tool.
It has a shape similar to the shape of the head of a hexagonal bolt having a rectangular cross-sectional outer shape, and a flange 73 having an outer diameter larger than the outer diameter of the head 71 is formed on the seating surface of the head 71. ing. The flange 73 is effective when the object to be fixed is pressed and fixed. The shaft portion 72 has a cylindrical shape having a constant outer diameter,
Although not shown, a spiral groove or ridge is formed on the outer peripheral surface. These grooves or ridges are
The tip of the second member becomes a catching portion when it is expanded and fixed to a structure, and also has a function of discharging cutting powder.

From the upper end of the head 71 of the main body 70 toward the front end, a hole 75 having a constant inner diameter is formed in the shaft core. It is provided up to the length position. In the figure, reference numeral 77 denotes a lower end of the hole 75. Further, a slit 76 is formed in the lower end portion of the shaft portion 72 so as to divide the front end portion into two, that is, to divide the front end portion into two in a plane including the center of the shaft portion 72. The slit 76 is provided up to the hole 75. A drill blade 80 for drilling a structure such as concrete is fitted into the slit 76, and the slit 76 holds the drill blade 80. Pin 81
A head 82 provided at the upper base end thereof;
A shaft portion 83 extending downward from the shaft portion 83, the outer diameter of the head portion 82 is formed larger than the outer diameter of the shaft portion 83, the outer diameter of the shaft portion 83 is constant, and the tip portion is tapered. have. The pin 81 is fitted into the hole 75 of the main body 70 to form a pin driving type self-drilling anchor.

FIG. 12 is an explanatory view showing an example of the construction of the self-drilling anchor, in which (A) shows a drilling state in which the self-drilling anchor is being screwed, and (B) shows a drilling of a pilot hole. This shows a completed state, and (C) shows a state where the pin is driven in and the anchor is fixed. In this figure, the self-drilling anchor is rotated 90 degrees from the state of FIG.
0 is shown at a right angle to the plane of the drawing. First, in FIG. 12A, a metal fitting 66 as an object to be fixed is arranged on a structure 65 such as concrete. The self-drilling anchor is screwed from above the metal fitting 66. At the time of screwing, an electric rotating tool is used, a driver bit 90 of the tool is engaged with the head 71, and the self-drilling anchor is rotated while drilling, and a structure such as concrete, brick, block or the like is formed together with the metal fitting 66. A pilot hole is made in the object 65. Due to the rotational driving (screwing) force, the drill blade 80 provided at the tip of the shaft portion 72 drills a prepared hole in the metal fitting 66 and the structure 65.

[0005] In FIG. 12 (B), the drilling of the pilot hole is completed, and the lower surface of the flange 73 forming the seating surface of the head 71 is fitted to the metal fitting 6.
6 is pressed. In this state, the driver bit 90 of the electric rotating tool is removed from the head 71 of the anchor. Thereafter, the head of the pin 81 projecting upward from the axis of the head 71 is hit with a hammer 91 to
Into the shaft portion 72 of the anchor. FIG.
In (C), when the pin 81 is driven into the head 71 and the shaft 72 of the anchor, the tip of the pin 81 is
2 are forcibly fitted into the slits 76 formed at the distal end of the shaft 2, and the distal end portions 78 of the shaft portion 72 are expanded. Are fixed to the structure, and
6 is firmly fixed to the structure 65. In FIG. 12, the groove formed on the outer periphery of the shaft 72 is shown only in FIG. 12C, and is not shown in other drawings for simplification.

[0006]

In the construction method described above, the self-drilling anchor is rotated by an electric tool, drilled by the drill blade 80 at the tip thereof and screwed into the anchor. After the screwing is completed, the pin 81 is hammered. And the tip of the anchor is widened and fixed, whereby various fittings and the like can be fixed. As this kind of power tool, a drill or a hammer drill is known, and among them, a hammer drill has both a rotating function and a striking function,
By attaching and using the jig according to the present invention to the hammer drill, the self-drilling anchor can be screwed and the pin can be driven with one tool. As described above, in the present invention, the pin driving type self-drilling anchor is screwed by one and the same tool, and a jig capable of driving the pin and the screwing / fixing using this jig (construction) )
The challenge is to provide a method. As a result, in the present invention, an improvement in workability and labor saving of the anchor installation work is realized. still,
INDUSTRIAL APPLICABILITY The jig and the construction method according to the present invention do not have a drill blade at the tip, and can be used in an anchor other than a self-drilling type in which a tapping screw thread is formed on the outer periphery of a shaft.

[0007]

In order to solve the above problems, a first aspect of the present invention is to attach a jig to an output portion of a tool capable of selecting a rotation function and a hitting function of a hammer drill or the like. A method of screwing and fixing a pin driving type anchor, wherein the jig includes a base end connected to an output part of a tool, and a tip engaged with a head of the anchor to rotate the tool. A screwing jig having a rotation engagement portion capable of transmitting a signal, a base end portion connected to an output portion of the tool,
A hitting jig having a hitting portion for driving an anchor pin at the tip is prepared.When screwing the anchor, the screwing jig is connected to the output portion of the tool and the anchor is screwed. An anchor installation tool, wherein the screwing jig is removed from an output portion of the tool, the hitting jig is attached to the output portion of the tool, and the head of an anchor pin is hit to fix the anchor. This is a construction method using a jig. According to this first invention,
Two types of jigs are prepared, these are appropriately attached to the output portion of the tool, the anchor is screwed in, the pin of the anchor is driven in, and the anchor can be driven in and fixed with one tool.

The term "screw-in" as used herein is not used in the ordinary sense of simply screwing a screw in the construction of a self-drilling anchor or the like. This means that an anchor is inserted while a prepared hole is drilled in a fixed object, a structure, or the like by a provided drill blade. That is, it means that the pilot hole is drilled while applying a rotational force and a driving force in the insertion direction to the self-drilling anchor, or applying a rotational force and a hitting force in the insertion direction. On the other hand, in the case of an anchor that is not a self-drilling type and has a thread for tapping provided on a shaft portion of the main body, the anchor is screwed into a pilot hole previously opened by a drill or the like. Then, since the female screw is screwed into the inner peripheral surface of the pilot hole while being cut, the screwing of the anchor in this case has the same meaning as the screwing in a normal sense. Therefore, the term “screw-in” as used herein has the above two opinions.

A second aspect of the present invention is a construction method in which a jig is attached to an output portion of a tool capable of selecting a rotation function and a hitting function of a hammer drill or the like, and a pin driving type anchor is screwed in and fixed. A screwing jig having, as the jig, a base end portion connected to the output portion of the tool, and a rotation engagement portion capable of transmitting a rotation operation of the tool by engaging a head portion of the anchor at a distal end. Tool, a batting end to be engaged with the rotation engaging portion of the screwing jig, and a hitting jig having a hitting portion for driving a pin of an anchor at a distal end are prepared. Connect the screwing jig to the output part of the tool and screw the anchor. After screwing the anchor, attach the striking jig to this screwing jig and hit the head of the anchor pin to fix the anchor. Anchor characterized by that It is a construction method using a construction tool jig. In the second invention, when the anchor is screwed, the screwing jig is attached to the tool and the anchor is screwed. Then, when the anchor pin is driven,
By attaching a striking jig to the screwing jig, the pin can be struck and the trouble of removing the screwing jig can be eliminated.

A third aspect of the present invention is a construction method in which a jig is attached to an output portion of a tool capable of selecting a rotation function and a striking function of a hammer drill or the like, and a pin driving type anchor is screwed in and fixed. The jig is engaged with the head of the anchor to rotate the anchor, a striking means for striking the head of the pin of the anchor, and a connecting means for connecting the rotating means and the striking means. A rotating means for rotating the anchor by the rotating means, and a hitting means for hitting the pin of the anchor by the hitting means. Is operated to drive the anchor, and after the screwing of the anchor is completed, the striking means is operated to strike the head of the pin of the anchor to fix the anchor. It is a construction method using a jig for car construction tool.

The fourth aspect of the present invention is a construction method in which a jig is attached to an output portion of a tool capable of selecting a rotation function and a hitting function of a hammer drill or the like, and a pin driving type anchor is screwed in and fixed. Thus, the jig can transmit a rotation operation with respect to the anchor to a shaft member having a base end portion connected to the output portion of the tool, a hitting portion hitting the head of the pin of the anchor at the tip end, and a tip end. A rotation member provided with a rotation engagement portion for engagement, the rotation member being slidably disposed in the axial direction with respect to the shaft member, and connection means for connecting the shaft member and the rotation member; The rotation member cannot rotate in at least one direction with respect to the shaft member in a state where the rotation engagement portion of the rotation member can be engaged with the anchor, and the rotation member is retracted to the base end side with respect to the shaft member. When the rotation member is fixed to the shaft member An anchor member for selectively connecting the shaft member and the rotating member in at least two kinds of states: a slidable state in which the striking operation of the shaft member is not hindered by the rotating member in a slidable state; When screwing in, the rotating member screws the anchor while maintaining the rotation fixed state, and after the screwing of the anchor is completed, the slidable state is maintained and the hitting portion of the shaft member holds the head of the anchor pin. This is a construction method using an anchor construction tool jig characterized by fixing an anchor by hitting. In these third and fourth inventions, since the jig itself can selectively perform the rotation operation and the striking operation, the screwing of the anchor and the pin can be performed simply by attaching one jig to the tool. Can be performed.

According to a fifth aspect of the present invention, in the first or second aspect, a base end portion connected to the rotation engaging portion of the screwing jig or the hitting portion of the striking jig, and an anchor at the tip end. A screw bit having an engaging portion for engaging with the head of the screw is further prepared, and the screw bit is attached to the screw jig or the hitting jig and an anchor is screwed in, for an anchor construction tool. This is a construction method using a jig.

According to a sixth aspect of the present invention, in the third or fourth aspect of the present invention, a base portion connected to a rotating portion of a jig, a rotating member, a striking portion, or a striking portion of a shaft member, and A screw bit having an engaging portion for engaging with the head of the anchor is further prepared, and the screw bit is attached to a rotating means of the jig, a rotating member, a hitting means, or a hitting portion of a shaft member to fix the anchor. This is a construction method using a jig for an anchor construction tool, which is screwed. These fifth
According to the sixth aspect of the present invention, for example, by further preparing and attaching a number of screwing bits adapted to different head shapes or different head sizes of the anchor, various shapes or sizes of the anchor are provided. It can correspond to the thing of.

According to a seventh aspect of the present invention, a basal end connected to an output portion of a tool capable of selecting a rotating function and a hammering function, such as a hammer drill, and a hammer for hitting a head of an anchor pin at a distal end. A shaft member having a portion, and a rotation engaging portion provided at a distal end thereof so as to be able to transmit a rotation operation with respect to the anchor, and a rotation member slidably disposed in the axial direction with respect to the shaft member. Connecting means for connecting the shaft member and the rotating member, wherein the connecting means rotates the rotating member in at least one direction with respect to the shaft member in a state where the rotation engaging portion of the rotating member can be engaged with the anchor. A rotation fixed state in which the rotation member cannot be retracted to the base end side with respect to the shaft member while the rotation member cannot be moved, and a striking operation of the shaft member is hindered by the rotation member by setting the rotation member to be slidable with respect to the shaft member. Less slidable state to prevent An anchor installation jig tool, characterized in that also is for selectably connecting the shaft member and the rotating member in two states. When the pin driving type self-drilling anchor is screwed and fixed by the jig according to the seventh aspect of the invention, since the rotating member and the shaft member selectively function, when rotating and driving the anchor,
The rotating member can be engaged with the head of the anchor, and the anchor can be rotated to drill a prepared hole.When driving the pin of the anchor, the shaft member functions to drive the pin and fix the anchor Can be.

An eighth aspect of the present invention is a rotating means for engaging the head of the anchor to rotate the anchor, a hitting means for hitting the head of the pin of the anchor, these rotating means and the hitting means. A jig for an anchor construction tool to be used by being attached to a tool having a rotation function and a hitting function such as a hammer drill, and a rotation operation of rotating the anchor by the rotation means, and a hitting means. A jig for an anchor installation tool, comprising: a changing unit capable of selectively functioning a striking operation of striking a pin of an anchor. When the pin driving type self-drilling anchor is screwed and fixed by the jig according to the eighth invention, the rotating means and the hitting means function selectively. By engaging the head of the anchor, the rotating means can function to drill a prepared hole, and when driving the pin of the anchor, the striking means can function to drive the pin and fix the anchor. it can. In this way, the jigs according to the seventh and eighth inventions can be screwed and fixed by a single tool by attaching the same to one tool. .

According to a ninth aspect of the present invention, in the above-mentioned eighth aspect, the rotating means has a through hole in a longitudinal axis portion thereof, the hitting means penetrates into the through hole, and the rotating means is an anchor. The hitting means can hit the head of the pin of the anchor while being engaged with the head of the anchor. According to the ninth aspect,
The jig will perform a centering function when driving the pin in order to maintain the jig engaged with the head of the anchor.

According to a tenth aspect of the present invention, in the eighth aspect, the hitting means has a connecting portion 2 connected to a driving machine at a base end thereof, and hits an anchor pin at a tip end thereof. The rotation / hitting operation unit 1 having the hitting portion 7, wherein the rotation means transmits the rotation operation of the rotation / hitting operation portion 1 and has an engagement portion at the distal end portion 25 capable of engaging with the head of the anchor. The connecting means comprises a connecting member 40 for connecting the rotation / hitting operation part 1 and the socket part 20, and the socket part 20 has a through hole 21 in its longitudinal axis. The tip end side of the rotation / hitting operation unit 1 is fitted into the through hole 21, so that the socket unit 20 can reciprocate in the longitudinal direction. The connecting member 40 also has a through hole 41 in the longitudinal axis. Then, in the through-hole 41, Both the part 1 and the socket part 20 can be connected, and the changing means comprises stopper means for preventing the backward movement of the socket part 20 toward the base end, and stopper releasing means for releasing the stopper means, When the stopper means is released by the stopper release means, the socket portion 20 can be moved backward to the base end side of the jig, whereby the hitting portion 7 of the rotation / hitting operation portion 1 causes the pin of the anchor to move. A jig for an anchor construction tool, which can be hit.

According to an eleventh aspect of the present invention, in the tenth aspect, the stopper means comprises a projection 22 provided on the outer peripheral surface of the socket portion 20, and the stopper release means comprises a through hole 41 of the connecting member 40. The protrusion 22 includes a release groove 45 formed of a long groove provided in the longitudinal direction of the inner peripheral surface.
Is in contact with the distal end surface of the connecting member 40, the movement of the socket portion 20 toward the proximal end is prevented, and the protrusion 2
A jig for an anchor installation tool, wherein the socket portion 20 is moved to the proximal end side when 2 coincides with the position of the release groove 45 of the connecting member 40. According to the tenth and eleventh inventions, similarly to the eighth and ninth inventions, it is possible to screw and fix a pin driving type self-drilling anchor with one and the same tool. The work can be completed, the workability is improved, and it also contributes to labor saving.

According to a twelfth aspect of the present invention, in the eleventh aspect of the present invention, a long hole 46 having a predetermined length is provided in a circumferential direction on the base end side of the connecting member 40, and a projection engaged with the long hole 46 is provided. The portion 11 is provided on the outer peripheral surface of the rotation / hitting operation portion 1, and the engagement distance therebetween restricts the rotation distance of the connecting member 40. The rotation distance, the protrusion 22 of the stopper means, and the release groove 45 of the stopper release means are provided. A jig for an anchor construction tool, wherein the distance in the circumferential direction from the jig is substantially the same. This first
According to the second aspect of the invention, the rotation range of the connecting member 40 is regulated by the long hole 46 formed in the circumferential direction of the connecting member 40, and the circumferential distance between the turning range and the stopper means and the stopper releasing means is defined. By matching
By rotating the connecting member 40 over the entire rotating range, the positions of the stopper means and the stopper releasing means match, the stopper means is released, and the socket member 2 is released.
0 is retracted to the base end side, and the operation of the hitting portion 7 at the tip of the rotation / hitting operation portion 1 becomes possible.

According to a thirteenth aspect of the present invention, in the eleventh or twelfth aspect of the present invention, the rotation / hitting operation portion 1 is provided with a flange portion 3, and a plurality of protruding and retractable projections are provided on an end face of the flange portion 3 on the tip side. A concave portion 48 is formed at a position corresponding to the protrusion 8 on the base end surface of the connecting member 40 which is in contact with the front end surface of the flange portion 3. Due to the mutual fitting of the places 48, the rotation of the connecting member 40 is positioned, and based on this positioning, the protrusion 22 of the stopper means and the release groove 4 of the stopper releasing means are determined.
5 is a jig for an anchor construction tool, the position of which is the same as that of No. 5. According to the thirteenth aspect, the twelfth aspect
In the same manner as in the first invention, the positioning of the connecting member 40 based on the action of the projection 8 of the flange 3 makes it possible to easily match the positions of the stopper means and the stopper release means.

According to a fourteenth aspect of the present invention, in the tenth to thirteenth aspects, an elastic member is interposed between the base end surface of the socket member 20 and the rotation / hitting operation portion 1, and a stopper means is provided. Is released by stopper release means, and when the socket part 20 retreats to the base end side, it retreats against the urging force of the elastic member, and is a jig for an anchor construction tool. According to the fourteenth aspect,
When the stopper means is released by the stopper release means, the socket section 20 is prevented from easily retreating to the proximal side by the elastic member, and the socket section 20 is retracted only when a predetermined force is applied. As a result, the engaging portion at the distal end of the socket portion 20 retreats while maintaining the state of engagement with the head of the anchor, and the centering function of the hitting portion 7 at the distal end of the rotation / hitting operation portion 1 is performed. While working, it leads to improved workability.

[0022]

Embodiments of the present invention will be described below with reference to the accompanying drawings. 1 to 5 show a first embodiment of the jig of the present invention. FIG. 1 is an overall perspective view of a jig for an anchor installation tool according to a first embodiment of the present invention, and FIG. 2 (A) is a partial vertical cross-sectional explanatory view at the time of screwing to apply a rotational force to an anchor; 2 (B) is a right side view of the previous figure, FIG. 2 (C) is a partial vertical cross-sectional explanatory view at the time of anchor pin driving, and FIG. 2 (D) is a right side view of the previous figure. 1 and 2, the direction of the illustrated jig is reversed. In FIG. 1, the base end is the right side in the drawing, and in FIG. 2, the base end is the left side in the drawing. I have. The jig according to the present invention includes a rotation / hitting operation unit 1 serving as a hitting unit connected to a driving tool such as a hammer drill, a socket unit 20 serving as a rotating unit, and a connecting member serving as a connecting unit connecting both of them. 3 with 40
It consists of two components.

The rotation / hitting operation part 1 has a connecting part 2 connected to a driving tool such as a hammer drill at a base end thereof.
The connecting portion 2 has a regular hexagonal cross section and is connected to the output portion of the tool. A flange portion 3 is formed near the distal end from the connecting portion 2, and the proximal end surface of the connecting member 40 abuts on the flange portion 3. Following the flange portion 3, a fitting portion 4 which fits into the base end side of a through hole 41 formed in the longitudinal axis portion of the connecting member 40 at the distal end side and is fitted thereto is provided. And the thin rod-shaped shaft 5 is extended,
Following the shaft portion 5, it penetrates into a through hole 21 formed in the longitudinal axis core portion of the socket portion 20, and the engaging shaft portion 6 having a regular hexagonal cross section extends. A striking portion 7 having a circular cross section is formed at the tip.

The socket portion 20 is formed of a cylindrical shape having a through hole 21 in the longitudinal axis thereof into which the tip end side of the rotation / hitting operation portion 1 is fitted. An end portion 25 of the through hole 21 is an engaging portion that engages with the head of the anchor, and its cross-sectional shape is formed in the same regular hexagonal shape as the cross-sectional shape of the anchor head. . Through hole 2
1 has a regular hexagonal cross section in the same manner as the tip portion 25, and the rotation / hitting portion 1
Can be fitted with the engagement shaft portion 6 on the tip side of the shaft, and the rotational driving force from the tool is transmitted from the rotation / hitting operation portion 1 to the socket portion 20.
Is transmitted to.

Further, two projections 22 serving as stopper means are formed at appropriate positions on the outer peripheral surface of the socket part 20, and a large diameter part 23 is formed at the base end thereof. The large diameter portion 23 is the large diameter portion 42 of the through hole 41 of the connecting member 40.
And slides on its inner peripheral surface. When the protrusion 22 comes to the position of the release groove 45 composed of a long groove provided in the longitudinal direction of the inner surface of the through hole 41 of the connecting member 40,
The socket part 20 can move to the base end side. The releasing groove 45 serves as a stopper releasing means. The stopper means and the stopper releasing means can be used as changing means to switch and change between the rotation function and the striking function of the jig. As can be seen from FIG. 2 (B), the protrusions 22 are vertically attached to the outer peripheral surface of the socket 20 vertically.
In this figure, the socket portions 20 are located at positions different from the release grooves 45 provided in the connecting member 40, and the socket portion 20 is in a state where it cannot be retracted to the base end side. FIG. 2D illustrates a state in which the connecting member 40 has been rotated by approximately 90 degrees, the two protrusions 22 are located at the positions of the release grooves 45, and the socket portion 20 is located on the base end side. It is ready to retreat.

As can be seen from FIG.
The coil spring 10 is interposed between the end face of the large-diameter portion 23 on the base end side and the tip end side face of the engaging portion 4 of the rotation / hitting operation portion 1. Due to the presence of the coil spring 10, even when the projection 22 is located at the position of the release groove 45, the socket portion 20 maintains the position on the distal side, and a predetermined force in the proximal direction is applied to the socket. The socket portion 20 is configured to be able to retreat to the proximal end side against the urging force of the coil spring 10 only when the socket portion 20 is hooked. When the socket portion 20 retreats to the base end side, the hitting portion 7 at the distal end of the rotation / hitting operation portion 1 is in a state where it can hit the head of the pin of the anchor.

The connecting member 40 also has a cylindrical shape having a through hole 41 in its longitudinal axis, and the through hole 41 has a large diameter portion 42 having a large inner diameter and a small diameter portion having a small inner diameter. And a portion 43. The large diameter portion 42 is located on the base end side,
The small diameter portion 43 is located on the tip side. Further, on the inner peripheral surface of the through hole 41, there are provided two release grooves 45, each of which is a long groove extending in the longitudinal direction and capable of releasing the stopper means of the projection portion 22 of the socket portion 20. FIG. 2 (B)
In this embodiment, two release grooves 45 are provided on both the left and right sides in the horizontal direction.
Due to the misalignment, the socket portion 20 is in a state where it cannot be retracted to the proximal end side.

A long hole 46 is formed on the base end portion side of the connecting member 40 for about 1/4 of the circumference thereof, and the projection 11 which fits into the long hole 46 rotates and strikes. Part 1
Are provided on the outer peripheral surface of the engaging portion 4. These long holes 4
By the engagement of the projection 6 with the connecting member 6, the connecting member 40 and the rotation / hitting operation unit 1 are connected, and the connecting member 40 can rotate by about 90 degrees in the circumferential direction of the rotation / hitting operation unit 1.
This rotation range can be arbitrarily set by changing the length of the long hole. Due to the rotation of the connecting member 40 in the circumferential direction, the protruding portion 22 of the socket portion 20 is connected to the connecting member 4.
0 (see FIG. 2 (B)).
When the movement of the socket portion 20 in the longitudinal direction is prevented, and the protrusion 22 of the socket portion 20 is located at the position of the release groove 45 of the connecting member 40 (the state of FIG. 2D), the fixing by the protrusion 22 is performed. The socket portion 20 is released, and the socket portion 20 can retreat to the proximal end side.

FIGS. 3A and 3B show only the rotation / hitting operation unit 1 which is one component of the jig according to the present invention, wherein FIG. 3A is a front view, FIG. (C)
Is a right side view. In the figure, the left side is the base end side, and the right side is the distal end side. The rotation / hitting operation unit 1 is entirely made of a rod, and a connecting part 2 on the base end side has a regular hexagonal cross section, and is connected to an output part of a tool such as a hammer drill. The form of the connecting portion 2 may be any form as long as it can be designed freely and can be attached to a tool.

At the front end of the connecting portion 2, a flange 3
An engagement portion 4 is provided on the right end of the flange portion 3, and the proximal end surface of the cylindrical connecting member abuts on the distal end surface of the flange portion 3. The engaging portion 4 fits into the base end side in the through hole. A small-diameter rod-shaped shaft portion 5 is continuous with the distal end side of the engaging portion 4, and an engaging shaft portion 6 having a regular hexagonal cross section is continuous with the distal end side of the shaft portion 5. This engagement shaft portion 6 matches with the tip side portion of the through hole of the socket portion,
It can transmit torque. On the front end surface of the flange portion 3,
Protrusions 8 which can freely appear and disappear are provided at the four positions. These four projections 8 are provided at positions where the central angle is 90 degrees, respectively, and these projections 8 are provided at corresponding positions on the proximal end surface of the connecting member abutting on this end surface. Similarly, four recesses corresponding to 8 are formed. As a result, the connecting member rotates in the range of every 90 degrees, and its position is determined.

FIGS. 4A and 4B show only the socket portion 20 which is one component of the jig according to the present invention. FIG. 4A is a front view, and FIG. 4B is a right side view. In the figure, the left side is the base end side, and the right side is the distal end side. The socket portion 20 has a substantially cylindrical shape having a through hole 21 in a shaft core portion, and a large-diameter portion 23 is formed at a base end portion thereof.
This large diameter portion 23 matches the large diameter portion of the through hole of the connecting member,
The small-diameter portion 24 on the tip side matches the small-diameter portion of the through hole of the connecting member. The distal end portion 26 of the through hole 21 has a regular hexagonal cross-sectional shape, is compatible with the engaging shaft portion of the rotation / hitting operation portion, and the distal end portion 25 can be engaged with the head of the anchor. it can. Also, the proximal end portion 27 of the through hole 21 can be adapted to the shaft portion of the rotation / hitting operation portion. Therefore, the socket portion 20 can reciprocate on the tip side of the rotation / hitting operation portion. As shown in FIG.
As can be clearly seen from (B), protrusions 22, 22 serving as stoppers are formed at two upper and lower locations. This projection 2
When the socket portion 20 is in contact with the distal end surface of the connecting member, the socket portion 20 cannot retreat to the base end side, and when the projection portion 22 matches the release groove of the connecting member, the socket portion 20 It is possible to retreat to the base end side.

FIG. 5 shows only the connecting member 40 which is one component of the jig according to the present invention. FIG. 5 (A) is a front view, FIG. 5 (B) is a left side view, and FIG. ) Is a right side view. In the figure, the left side is the base end side, and the right side is the distal end side. This connecting member 40 has a through hole 41 in its shaft core.
The through-hole 41 has a large-diameter portion 42 with a large inner diameter on the base end side and a small-diameter portion 43 with a small inner diameter on the distal end side. On the inner peripheral surface of the through hole 41, two release grooves 45 are provided in the horizontal direction in FIG.

As clearly shown in FIG. 5B, four recesses 48 are provided in the base end surface.
These recesses 48 are arranged such that the central angle is 90 degrees. These recesses correspond to the four projections 8 of the rotation / hitting operation part, and can be adapted to each other. Thereby, the connecting member 40 rotates every 90 degrees, and positioning is performed. Further, in the circumferential direction on the base end side of the connecting member 40, a long hole 46 extends over a length of about 1/4 circumference.
Are formed. The projection provided on the engagement portion of the rotation / hitting operation portion described above is engaged with the long hole 46,
It is possible to regulate the rotation range of the connecting member 40 and maintain the connection between them. The design of the length of the long hole 46 can be changed as appropriate.

A method for screwing and fixing an anchor using the jig for an anchor installation tool according to the first embodiment of the present invention having the above configuration will be described below with reference to FIG. First, the jig according to the present invention is applied to the output portion of the hammer drill in the state shown in FIGS. 2A and 2B, that is, in a state in which the protrusion 22 serving as a stopper is in contact with the end surface on the distal end side of the connecting member 40. connect. A metal fitting or the like to be fixed is arranged on a wall surface or the like of the structure, and a self-drilling anchor is abutted from above the metal fitting or the like. Combine.

With the tip 25 engaged with the head of the self-drilling anchor, the hammer drill is started and rotated. The rotation driving force of the hammer drill is transmitted to the head of the anchor via the rotation / hitting operation unit 1 and the socket unit 20, and a pilot hole is drilled in a bracket and a wall surface by a drill blade at the tip of a self-drilling anchor. go. The drilling of the pilot hole is completed with the self-drilling anchor completely screwed in and the lower surface of the head in contact with the fitting or the like.

After the preparation of the prepared hole is completed, the connecting member 40 of the jig is turned by 90 degrees to bring the state shown in FIGS. 2C and 2D. In this state, the protrusion 22 of the socket 20 matches the position of the release groove 45 of the connecting member 40, and
Is changed to a state where it can retreat to the proximal end side. In this state, the operation of the hammer drill is switched to the impact drive,
Continuing with the screwing operation of the self-drilling anchor, the head of the pin projecting upward from the head of the self-drilling anchor is hit by the hitting portion 7 at the tip end of the rotation / hitting operation portion 1 of the jig. , The tip of the anchor is expanded, and a metal fitting or the like can be fixed to a wall surface or the like by the self-drilling anchor. When the pin is driven, the distal end portion 25 of the socket portion 20 retreats (that is, the centering is maintained) while maintaining the state of holding the anchor head. There is no need to worry about hitting with the head removed, and it is possible to hit properly. By the above procedure, the screwing and fixing of the pin driving type self-drilling anchor are completed.

FIGS. 6 to 8 show a second embodiment of the jig for an anchor working tool according to the present invention.
(A) is a partially cutaway overall explanatory view when the anchor is screwed,
6 (B) is a partially cutaway explanatory view when the anchor pin is driven in, FIG. 7 (A) is a cross-sectional view taken along the line RR of FIG. 6 (A), and FIG. 7 (B) is FIG. FIG. 3A is a cross-sectional view taken along line SS of FIG.
FIG. 8 is a perspective view of a connecting member as connecting means for connecting the shaft member and the rotating member. Also in the jig according to the second embodiment, a shaft member 12 having a base end portion 13 connected to a tool such as a hammer drill and a hitting portion 14 at the tip end.
And a rotation member 30 having a rotation engagement portion 31 at its distal end that engages with the head of the anchor, and a connection member 50 as connection means for connecting these two members.

The rotating member 30 is capable of reciprocatingly sliding on the outer periphery of the shaft member 12 in the axial direction. The connecting member 50 is located on the outer periphery of the rotating member 30 so that the connecting member 50 can move in the axial direction of the rotating member 30. Reciprocating sliding can be enabled or prevented. The shaft member 12 is a connecting portion whose base end 13 is connected to a tool such as a hammer drill. An engaging shaft portion 15 having a regular cross section of hexagon is provided on the distal side from the base end portion 13, and the engaging shaft portion 15 is connected to an engaging hole portion 35 on the base end side of the through hole of the rotating member 30. Fit, shaft member 12
Can be transmitted to the rotating member 30. A rod-shaped shaft portion 16 having a circular cross section is provided on the tip side from the engagement shaft portion 15.
Is extended, and the tip of the shaft portion 16 serves as a hitting portion 14 into which the head of the pin of the anchor can be driven.

The rotating member 30 is formed in a cylindrical shape having a through hole in its shaft core, and the shaft member 1 is inserted into the through hole.
2 are fitted, and are arranged so that the outer periphery of the shaft member 12 can slide in the axial direction. The proximal end of the rotating member 30 has a large diameter portion 32 having a large outer diameter and a small diameter portion 33 having a small diameter at the distal end thereof. The hole 35) is compatible with the engaging shaft 15 of the shaft member 12. The shaft portion 16 of the shaft member 12 is fitted in the through hole of the small diameter portion 33 of the rotating member 30. That is, the inner diameter of the through hole of the small diameter portion 33 and the outer diameter of the shaft portion 16 of the shaft member 12 are substantially the same, and the rotating member 30 is configured to be able to slide on the outer periphery of the shaft member 12. Here, in order to regulate the sliding distance of the rotating member 30, the projection 9 is provided on the shaft member 12, while the elongated hole portion 36 is provided on the rotating member 30 side in the axial direction. The axial length of the elongated hole portion 36 is the sliding distance.

The through hole of the rotating member 30 is adapted on the base end side to the engaging shaft portion 15 of the shaft member 12, but the inner diameter of the through hole adjacent thereto is larger than the inner diameter of the through hole at the distal end. The large diameter portion 17 is formed by forming the large diameter portion 17 and the large diameter portion 17 and the shaft member 1.
A coil spring 18 is interposed in a gap between the second shaft portion 16 and the second shaft portion 16. That is, the coil spring 18 is
2 between the distal end surface of the engagement shaft portion 15 and the proximal end surface of the through hole of the small diameter portion 33 of the rotating member 30.
2 always acts on the base end side and biases the rotating member 30 on the front end side. Therefore, the connection member 50 described later
Urges the rotating member 30 toward the distal end in a state in which the rotation member cannot retreat toward the base end while maintaining the rotational engagement between the shaft member 12 and the rotating member 30, and the head of the anchor Is engaged, and the head of the anchor can be rotated,
On the other hand, when the connecting member 50 maintains the rotating member 30 in a state capable of retreating to the base end side, the tool is switched to a striking operation, and the striking portion 14 at the distal end of the shaft member 12 strikes the head of the pin of the anchor. You can do it. Incidentally, in this embodiment, in a state where the protrusion 9 is in contact with the distal end of the elongated hole 36, the distal end of the engaging shaft 15 is in contact with the proximal end of the large diameter portion 17. It is designed to be.

The connecting member 50 is formed of a cylindrical member having a through hole in the axis thereof.
Are slidably disposed within a certain distance range on the outer periphery of. The through-hole of the connection member 50 has a small diameter portion 51 that slides on the outer peripheral surface of the rotating member 30, a large-diameter portion 52 on the proximal end, and a large-diameter portion 53 on the distal end. Further, a plurality of stopper balls 54 are provided on the inner peripheral surface of the through hole of the connection member 50,
On the wall surface of the rotating member 30 corresponding to the stopper ball 54, a through hole 34 is provided.
An engagement recess 19 is formed in the shaft member 12 at a position corresponding to 4.

A coil spring 55 is disposed on the proximal end face of the small diameter portion 51 of the through hole of the connecting member 50.
The connection member 50 is constantly urged in the distal direction. As can be clearly seen from FIG. 8, two notches are formed at the distal end side edge of the connection member 50, and one notch 56 has a large depth in the longitudinal direction, and the other notch 57 has a notch 57. The cut depth in the longitudinal direction is formed short. The projections 37 engaging with these notches 56 and 57 are
Projecting from the outer peripheral surface of the. 6A, the connecting member 50 is pulled toward the base end against the urging force of the coil spring 55, and the fitting of the protrusion 37 from the notch 56 is released. 6 is appropriately rotated so that the projection is fitted to the other cutout 57, FIG.
In the state (B), the engagement between the stopper ball 54 and the engagement concave portion 19 of the shaft member 12 is released. In this state, the rotating member 30 can retreat to the base end side, and the striking portion 14 at the distal end of the shaft member 12 can function.

Conversely, from the state of FIG.
0 is pulled toward the base end side against the urging force of the coil spring 55, the conformity of the protrusion 37 is released from the notch portion 57, and it is rotated as appropriate to cut out the notch as shown in the state of FIG. Part 5
By fitting the projection 37 to 6, the stopper ball 54 is engaged with the engagement concave portion 19 of the shaft member 12, the retreat of the rotating member 30 to the proximal end side is prevented, and the function of the tool is switched to the rotating operation. As a result, the rotating member 30 can rotate the head of the anchor, so that the anchor can be screwed. In the drawings, 58 indicates a coil spring locking ring, and 59 indicates a stopper ring that prevents the coil spring locking ring from moving toward the proximal end.

A method for screwing the anchor using the jig according to the second embodiment having the above configuration will be described below. First, the jig according to the second embodiment of the present invention is placed in the state shown in FIG.
In a state adapted to the notch 56 of the connecting member 50, the connecting member 50 is connected and fixed to the output portion of the hammer drill. A metal fitting or the like to be fixed is arranged on a wall or the like of the structure, and a self-drilling anchor is abutted from above the metal fitting or the like. 3
1 is engaged.

The hammer drill is started and rotated while the rotation engaging portion 31 remains engaged with the head of the self-drilling anchor. The rotation driving force of the hammer drill is transmitted to the head of the anchor via the shaft member 12 and the rotation member 30, and a pilot hole is drilled in a metal fitting, a wall surface, and the like by a drill blade at the tip of the self-drilling anchor. The drilling of the pilot hole is completed with the self-drilling anchor completely screwed in and the lower surface of the head in contact with the fitting or the like.

After the preparation of the pilot hole is completed, the connecting member 50 of the jig is pulled toward the base end side, and is rotated as appropriate, so that FIG.
(B) is set. In this state, the notch 57 is
By this, the stopper ball 54 comes out of the engagement concave portion 19 of the shaft member 12, and the rotating member 30 can be retracted to the base end side. In this state, the operation of the hammer drill is switched to the hitting drive, and the operation of screwing the self-drilling anchor is continued, and the head of the pin projecting upward from the head of the self-drilling anchor is connected to the shaft member 12 of the jig. It is possible to fix a metal fitting or the like to a wall surface or the like by striking with a striking portion 14 at the tip end, driving in a pin, and expanding the tip end of the anchor. When the pin is driven, the rotation engaging portion 31 of the rotating member 30 retracts (that is, centering is maintained) while maintaining a state of holding the anchor head. In addition, there is no need to worry about hitting with the head removed, and it is possible to hit properly.
By the above procedure, the screwing and fixing of the pin driving type self-drilling anchor are completed.

FIG. 9 shows a jig having the simplest structure used in the construction method according to the present invention.
(A) is a partially cutaway explanatory view of a screwing jig, and (B) is a partially cutaway explanatory view of a striking jig. The screwing jig 60 has a proximal end 60k connected to the tool, and a rotary engaging portion 60r at the distal end capable of engaging with the head of the anchor. The proximal end 60k is connected to a tool such as a hammer drill. Can be attached to the output part, fixed, and screwed the anchor. On the other hand, when the head of the anchor pin is hit, the screwing jig is removed and the hitting jig 61 is removed.
Is fixed to the output part of the tool, and the head of the pin of the anchor can be hit by the hitting part 61d of the jig 61. In this way, the anchor can be screwed and fixed using two types of jigs. The end face of the hitting portion 61d at the tip of the hitting jig 61 is formed as a plane in the figure, but may be formed in a state where the center portion is appropriately depressed so as not to remove the head of the pin. The shape and the like can be appropriately changed in design.

FIG. 10 is a partial sectional view showing a state in which a screwing bit for screwing an anchor is attached to a jig 63 having both rotating means and striking means and capable of selectively operating these means. FIG. The jig 63 has substantially the same structure as that of the first embodiment, and has a structure capable of selectively performing a rotation function and a striking function. A screwing bit 64 for screwing the anchor is connected to the portion 63s. The screwing bit 64 has a base end portion 64k that can be engaged with the rotation engaging portion 63s of the jig 63, and a distal end portion provided with an engaging portion 64s that can be engaged with the head of the anchor. is there.

The screwing bit 64 can be connected and fixed to the hitting portion 63d instead of the rotary engaging portion 63s at the tip of the jig 63. Further, it is of course possible to connect and fix the screwing bit 64 to the rotation engaging portion 60r at the tip of the screwing jig 60 shown in FIG. In this manner, by further attaching the screwing bit to the jig, it is possible to easily handle anchors having different head shapes and sizes. That is, by preparing plural sizes and shapes of the engaging portion 64s at the tip of the screwing bit in various types, the screw bit is adapted to the shape of the head of the anchor and the like. Can be selected and used to correspond to various shapes and sizes of the anchor head.

Although the embodiment has been described above, in the anchor installation method according to the present invention, a pin driving type self-drilling anchor is screwed using a jig,
In addition, the anchor is screwed and fixed by hitting a pin, and various types of jigs can be used. That is, two types of jigs, a screwing jig and a striking jig, may be used, or a jig capable of selectively operating a rotation function and a striking function may be used. It is also possible to connect a screwing jig to the tool so that it can be adapted to different head shapes and sizes of the anchor. On the other hand, in the first embodiment relating to the jig of the present invention, the form can be changed as follows. First, the size and size of each component of the jig can be appropriately changed in design. The coil spring 10 interposed between the rotation / hitting operation unit 1 and the socket unit 20 can be replaced by another elastic member, and can be implemented without the coil spring 10 interposed. is there. The shape, size, number, position, and the like of the protrusions 22 as stoppers provided on the outer peripheral surface of the socket portion 20 can be freely designed, and the release grooves provided on the inner peripheral surface of the connecting member accordingly. , The number, the position, and the length in the longitudinal direction can be freely set.

In the above embodiment, the length of the long hole 46 formed in the circumferential direction on the base end side of the connecting member 40 is also set to 1/4 of the length. However, this length may be set to 1/2 of the circumference. Can be changed as appropriate. On the other hand, the number of the protrusions 11 provided on the engagement portion 4 of the rotation / hitting operation unit 1 can be plural in accordance with the length of the long hole 46 of the connecting member 40. The number of protruding and retractable protrusions 8 formed on the distal end surface of the flange portion 3 of the rotation / hitting operation portion 1 and the recess formed on the proximal end surface of the connecting member 40 which engages with the protrusions 8. The number 48 can be freely set. In short, it is sufficient to set the connecting member 40 to rotate at an appropriate angle so that the positions of the stopper 22 and the release groove 45 match. Further, the cross-sectional shape of the connecting portion at the base end of the rotation / hitting operation portion 1 and the cross-sectional shape of the engagement shaft portion 6 can be appropriately changed. Similarly, the cross-sectional shape of the front end portion 26 of the through hole 21 of the socket portion 20 may be made to match the cross-sectional shape of the engagement shaft portion 6 of the rotation / hitting operation portion 1.

In the second embodiment relating to the jig of the present invention, design changes can be made as appropriate. The shape of the base end portion 13 of the shaft member 12 may be any shape that can be appropriately connected and fixed to the output portion of the tool, and the cross-sectional shape of the engagement shaft portion 15 is also the cross-sectional shape of the engagement hole 35 of the rotating member 30. It is only necessary that the rotational force be appropriately adapted to transmit the rotational force. The length of the elongated hole 36 in the axial direction can also be set arbitrarily. The number of the stopper balls 54 can be set completely freely, and the positions of the cutout portions 56 and 57 of the connecting member 50 can be set completely freely. In addition, it is possible to change the form of each member as in the first embodiment.

[0053]

In the first invention of the present application, two types of jigs, a screwing jig and a hitting jig, are prepared, these are appropriately attached to the output portion of the tool, and the anchor is screwed. The pin of the anchor can be driven in and the anchor can be screwed and fixed with one tool. Second of the present application
According to the invention, since the hitting jig can be attached to the screwing jig, the operation of removing the screwing jig after screwing the anchor can be omitted.

In the third and fourth aspects of the present invention, since the jig itself can selectively perform the rotating operation and the striking operation, only one jig is attached to one tool. The anchor can be screwed in and the pin can be driven in, and the workability and labor saving can be realized in the anchor driving work. In the fifth and sixth aspects of the present invention, since a screwing bit can be further prepared and attached to the jig, for example, a screwing bit adapted to different shapes and sizes of the head of the anchor is provided. By preparing several bits, it is possible to easily cope with anchors having different head shapes.

In the seventh aspect of the present invention, since the rotating member and the shaft member can selectively function, when rotating and screwing the anchor, the rotating member is engaged with the head of the anchor, Can be rotated to drill a pilot hole, and when driving the pin of the anchor, the shaft member can function to drive the pin and fix the anchor. Also in the eighth invention of the present application, since the rotating means and the striking means function selectively, when the anchor is rotated and screwed, the rotating means is engaged with the head of the anchor to make the rotating means function. When the anchor pin is driven, the striking means can function to drive the pin and fix the anchor. As described above, it is possible to screw and fix the pin driving type self-drilling anchor with one tool and one jig, and it is possible to improve the workability and labor saving of the anchor installation work.

In the ninth aspect of the present invention, in order to maintain the state in which the rotating means of the jig is engaged with the head of the anchor, the function of centering the striking means is achieved when driving the pin. . Tenth and eleventh of the present application
According to the invention, the jig is attached to a tool such as a drill hammer to rotate a pin driving type self-drilling anchor by the same tool and screw it into an object to be fixed, and the pin is also struck by the tool. The drive can be transmitted through the through hole of the socket portion and transmitted to the hitting portion at the tip of the rotation / hitting operation portion, whereby the self-drilling anchor makes a prepared hole in the fixed object and drives the pin. It is fixed by that.

According to the twelfth aspect of the present invention, the rotation range of the connecting member is defined by the elongated hole formed in the circumferential direction of the connecting member, and the rotation range and the distance between the stopper means and the stopper releasing means are defined. By matching the distance in the circumferential direction, by rotating the connecting member over the entire rotating range, the positions of the stopper means and the stopper releasing means match, the stopper means is released, and the socket member is released. By retracting to the proximal end side, the operation of the hitting portion at the tip of the rotation / hitting operation portion becomes possible. According to the thirteenth aspect of the present invention, it is possible to easily match the positions of the stopper means and the stopper releasing means by positioning the connecting member based on the action of the projection of the flange portion, similarly to the twelfth aspect. it can. In the fourteenth aspect of the present invention, when the stopper means is released by the stopper release means, the socket portion is prevented from easily retreating to the base end side by the elastic member, and a predetermined force is applied. Therefore, the socket portion retreats for the first time, and the engaging portion at the distal end of the socket portion retreats while maintaining the state of being engaged with the head of the anchor, and the distal end of the rotation / hitting operation portion is hit. Since the centering function of the section is exhibited, workability is improved.

[Brief description of the drawings]

FIG. 1 is an overall perspective view showing one embodiment of a jig for an anchor construction tool according to the present invention.

FIG. 2 shows an embodiment of a jig for an anchor construction tool according to the present invention, in which (A) is a partial longitudinal sectional explanatory view at the time of screwing to apply a rotational force to an anchor, and (B) is a front view. (C) is a partial vertical sectional view of the anchor when the pin is driven, and (D) is a right side view of the previous figure.

FIG. 3 is a diagram illustrating a rotation / rotation component of the jig shown in FIG. 2;
Only the impact operating portion is shown, (A) is a front view,
(B) is a left side view, and (C) is a right side view.

4A and 4B show only a socket portion, which is a component of the jig shown in FIG. 2, wherein FIG. 4A is a front view and FIG. 4B is a right side view.

5A and 5B show only a connecting member which is a component of the jig shown in FIG. 2, wherein FIG. 5A is a front view, FIG. 5B is a left side view, and FIG. FIG.

FIG. 6 shows a second example of the jig for an anchor installation tool according to the present invention.
(A) is an overall explanatory view of a partial cutout when screwing an anchor, and (B) is an overall explanatory view of a partial cutout when driving a pin of an anchor.

7A is a sectional view taken along line RR of FIG. 6A, and FIG.
FIG. 7 is a sectional view taken along the line SS in FIG.

FIG. 8 is a perspective view of a connecting member that connects the shaft member and the rotating member.

9A and 9B show a jig used in the construction method according to the present invention, wherein FIG. 9A is a partially cutaway explanatory view of a screwing jig, and FIG. 9B is a partially cutaway jig of a striking jig. FIG.

FIG. 10 is a partial cross-sectional explanatory view showing a state in which a screwing bit is attached to a jig capable of selectively functioning the rotating means and the hitting means in the construction method according to the present invention; It is.

FIG. 11 is a front view showing an example of a self-drilling anchor.

FIG. 12 is an explanatory view showing a conventional construction example of the self-drilling anchor shown in FIG. 11, and FIG.
Shows a drilling state in which the self-drilling anchor is being screwed, (B) shows a state in which the drilling is completed, and (C) shows a state in which the pin is driven in and the anchor is fixed.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... rotation and impact operation part, 2 ... connection part, 3 ... flange part,
Reference numeral 4: engaging portion, 5: shaft portion, 6: engaging shaft portion, 7, 14: hitting portion, 8: projection portion, 10, 18, 55: coil spring, 12: shaft member, 13: base end portion, 15 ... engaging shaft part, 1
9: engagement recess, 20: socket portion, 21: through hole, 22
... projecting part (stopper means), 23 ... large diameter part, 24 ... small diameter part, 26 ... tip side part, 27 ... base end side part, 30 ... rotating member, 31 ... rotation engagement part, 35 ... engagement hole part , 36 ... elongated hole portion, 40 ... connecting member, 41 ... through hole, 42 ... large diameter portion, 43 ... small diameter portion, 45 ... release groove, 46 ... elongated hole, 48 ...
Recess, 50 connecting member, 54 ball for stopper, 5
6, 57 ... notch, 60 ... screwing jig, 61 ... hitting jig, 64 ... screwing bit

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Teruyoshi Miyazaki 4-1 Uehara Nishimachi, Kawachinagano City, Osaka Prefecture F-term (reference) 2E125 AA72 AA73 AA74 AF03 BA17 BA23 BB08 BB24 BD01 BE07 BE08 BF01 BF04 CA75 CA76 EA33

Claims (14)

[Claims] 1. A construction method of attaching a jig to an output portion of a tool capable of selecting a rotation function and a striking function such as a hammer drill, and screwing and fixing a pin driving type anchor. A screwing jig having a proximal end connected to an output portion of the tool, and a rotation engagement portion capable of transmitting a rotation operation of the tool by engaging a head portion of the anchor at a distal end; and an output portion of the tool. And a striking jig having a striking portion for striking a pin of an anchor at a distal end. When the anchor is screwed, the screwing jig is connected to an output portion of a tool to fix the anchor. After the screwing of the anchor is completed, the screwing jig is removed from the output portion of the tool, the hitting jig is attached to the output portion of the tool, and the head of the pin of the anchor is hit to fix the anchor. Characterized by Construction method using jig for anchor construction tool. 2. A construction method in which a jig is attached to an output portion of a tool capable of selecting a rotation function and a striking function such as a hammer drill, and a pin driving type anchor is screwed and fixed. A screwing jig having a base end portion connected to the output portion of the tool, and a rotating engagement portion capable of transmitting a rotating operation of the tool by engaging a head portion of the anchor at a distal end; A base end portion engaging with the rotation engagement portion of the tool,
A hitting jig having a hitting portion for driving an anchor pin into a tip is prepared.When screwing the anchor, the screwing jig is connected to the output portion of the tool and the anchor is screwed. An installation method using an anchor installation tool jig, wherein a hitting jig is attached to the screwing jig, and a head of an anchor pin is hit to fix the anchor. 3. A method of attaching a jig to an output portion of a tool capable of selecting a rotation function and a hitting function of a hammer drill or the like, and screwing and fixing a pin driving type anchor, wherein the jig comprises: A rotating means for engaging the head of the anchor and rotating the anchor; a hitting means for hitting the head of the pin of the anchor; and a connecting means for connecting the rotating means and the hitting means. It is provided with changing means capable of selectively functioning a rotating operation for rotating the anchor and a hitting operation for hitting the pin of the anchor by the hitting means.When screwing the anchor, the rotating means is operated to screw the anchor. After the screwing of the anchor is completed, the hitting means is operated to hit the head of the pin of the anchor to fix the anchor. There was construction method. 4. A construction method in which a jig is attached to an output portion of a tool capable of selecting a rotation function and a striking function such as a hammer drill, and a pin driving type anchor is screwed and fixed. A shaft member having a base end portion connected to the output portion of the tool, and a hitting portion hitting the head of the pin of the anchor at the tip end; and a rotation engaging portion engaging the tip end so as to transmit a rotation operation with respect to the anchor. A rotating member disposed so as to be slidable in the axial direction with respect to the shaft member, and connecting means for connecting the shaft member and the rotating member. A rotation-fixed state in which the joint portion can be engaged with the anchor, the rotating member cannot be rotated in at least one direction with respect to the shaft member, and the rotating member cannot be retracted to the proximal end side with respect to the shaft member; And make the rotating member slidable with respect to the shaft member. The shaft member and the rotating member are selectively connected in at least two types of states, that is, a slidable state in which the striking operation of the shaft member is not hindered by the rotating member. The rotating member screws the anchor while maintaining the rotation fixed state, and after the completion of the screwing of the anchor, the slidable state is maintained and the hitting portion of the shaft member strikes the head of the pin of the anchor to fix the anchor. A construction method using a jig for an anchor construction tool. 5. A screwing bit having a base end portion connected to a rotary engaging portion of a screwing jig or a hitting portion of a hitting jig, and an engaging portion at a distal end for engaging with a head of an anchor. The method according to claim 1 or 2, wherein the screw bit is prepared and attached to the screw jig or the hitting jig to screw an anchor. 6. A screwing bit having a base portion connected to a hitting portion of a rotating member, a rotating member, a hitting portion, or a shaft member of a jig, and an engaging portion at the tip end for engaging with a head of an anchor. The anchor installation tool according to claim 3 or 4, further comprising preparing the screwing bit, attaching the screwing bit to a rotating means of the jig, a rotating member, a hitting means, or a hitting portion of a shaft member, and screwing the anchor. Construction method using a jig. 7. A shaft member having a base portion connected to an output portion of a tool capable of selecting a rotation function and a hitting function of a hammer drill or the like, and a hitting portion for hitting a head of an anchor pin at a tip end. A rotation member provided at a distal end thereof for transmitting a rotation operation to the anchor so as to be able to transmit the rotation operation, and a rotation member slidably disposed in the axial direction with respect to the shaft member; Connecting means for connecting the rotating member to the shaft member in at least one direction in a state where the rotation engaging portion of the rotating member can be engaged with the anchor. A rotation fixed state in which the shaft cannot be retracted to the proximal end side with respect to the shaft member, and a sliding state in which the rotating member is slidable with respect to the shaft member so that the striking operation of the shaft member is not hindered by the rotation member. Shaft member in at least two states of possible Anchor construction jig tool, characterized in that is for selectably connecting the rotary member. 8. A rotating means for rotating the anchor by engaging the head of the anchor, a hitting means for hitting the head of the pin of the anchor, and a connecting means for connecting the rotating means and the hitting means. A jig for an anchor installation tool used by attaching to a tool having a rotating function and a hitting function such as a hammer drill, wherein the rotating means rotates the anchor by a rotating means and the hitting means hits a pin of the anchor by a hitting means. A jig for an anchor installation tool, comprising: a change unit capable of selectively operating an operation. 9. The rotating means has a through hole in its longitudinal axis, and the striking means penetrates into the through hole, and the striking means is engaged with the head of the anchor when the rotating means is engaged with the head of the anchor. The jig for an anchor installation tool according to claim 8, wherein a head of the pin can be hit. 10. A rotation / hitting operation unit having a connecting portion (2) connected to a driving machine at a base end thereof and a hitting portion (7) for hitting an anchor pin at a tip end thereof. The rotation means transmits the rotation of the rotation / hitting operation part (1), and the engaging part capable of engaging with the head of the anchor has a tip part (25).
The connecting means comprises the rotation / hitting operation part (1) and the socket part.
(20) and a connecting member (40), the socket part (20) has a through hole (21) in its longitudinal axis, and a rotation / hitting operation part is provided in the through hole (21). The front end of (1) is fitted, the socket part (20) can reciprocate in its longitudinal direction, and the connecting member (40) also has a through hole (41) in its longitudinal axis core part, In the through hole (41), both the rotation / hitting operation part (1) and the socket part (20) can be connected, and the changing means moves backward to the base end side of the socket part (20). And a stopper releasing means for releasing the stopper means. When the stopper means is released by the stopper releasing means, the socket portion (20) retreats to the base end side of the jig. This allows the hitting portion (7) of the rotation / hitting operation portion (1) to hit the anchor pin. Anchor construction jig tool according to claim 8, wherein the door. 11. The stopper means comprises a projection (22) provided on the outer peripheral surface of the socket (20), and the stopper releasing means extends in the longitudinal direction of the inner peripheral surface of the through hole (41) of the connecting member (40). A release groove (45) consisting of an elongated groove provided to the base end side of the socket part (20) when the projection part (22) is in contact with the distal end face part of the connecting member (40). The movement of the socket (20) is performed when the protrusion (22) coincides with the position of the release groove (45) of the connecting member (40). The jig for an anchor construction tool according to claim 10. 12. A long hole (46) of a fixed length is provided in the circumferential direction on the base end side of the connecting member (40), and a projection engaged with the long hole (46).
(11) is provided on the outer peripheral surface of the rotation / hitting operation part (1), and the engagement of the two restricts the rotation distance of the connecting member (40), and the rotation distance and the protrusion (22) of the stopper means are provided. The jig for an anchor installation tool according to claim 11, wherein the circumferential distance between the stopper releasing means and the release groove (45) is substantially the same. 13. A flange part (3) on a rotation / hitting operation part (1).
A plurality of protruding and retractable protrusions (8) are provided on the distal end surface of the flange portion (3), and the proximal end surface of the connecting member (40) abutting on the distal end surface of the flange portion (3). In addition, a recess (48) is formed at a position corresponding to the protrusion (8), and the connection member (4) is formed by mutual fitting of the protrusion (8) and the recess (48).
The positioning of the rotation of (0) is performed, and based on this positioning, the positions of the protrusion (22) of the stopper means and the release groove (45) of the stopper release means coincide with each other.
Or the jig for an anchor construction tool according to 12. 14. The socket member (20) has a proximal end face and a rotary
An elastic member is interposed between the striking operation part (1) and the stopper means is released by the stopper releasing means, and the socket part is released.
The jig for an anchoring tool according to any one of claims 10 to 13, wherein when the (20) retreats to the base end side, it retreats against the urging force of the elastic member.