WO2007105733A1

WO2007105733A1 - Rondelle unit and method of mounting the same

Info

Publication number: WO2007105733A1
Application number: PCT/JP2007/054988
Authority: WO
Inventors: Masahiro Aigami; Susumu Hayashi
Original assignee: Max Co., Ltd.
Priority date: 2006-03-14
Filing date: 2007-03-13
Publication date: 2007-09-20
Also published as: JP5055795B2; CN101360885A; CN101360885B; TWI421414B; KR20070093839A; JP2007247188A; TW200744804A; KR101384443B1

Abstract

A rondelle unit is constructed only from a rondelle body having a recess at its center and from a washer received in the recess of the rondelle body. The depth of the recess is larger than the thickness of the washer. A method of mounting the rondelle unit has the following steps: a driving machine in which a connection pin formed by connecting fixing pins to each other is loaded is prepared, the rondelle unit having a washer at its center is held at the end of the driving machine, and a fixing pin is hammered out from the driving machine and driven through the center of the washer into a target material.

Description

Specification

Rundle unit and its mounting method

Technical field

TECHNICAL FIELD [0001] The present invention relates to a landle unit used for attaching a waterproof sheet to a wall surface or a ceiling surface in tunnel construction or wall construction such as a cliff, and a method for attaching the landle unit.

Background art

Conventionally, in tunnel construction or the like, a waterproof sheet is sometimes stretched on the wall surface in order to prevent water from leaking out and flowing down from the tunnel wall. There is a construction method to fix the tarpaulin by drilling a pilot hole, inserting an anchor, fastening the tarpaulin and bolting. However, since such a construction method requires a work process, there are many construction methods that are stopped directly on the waterproof sheet with a randle unit.

[0003] Specifically, as shown in FIG. 10, a landing pin 6 and a washer 2 provided in the center thereof, and a fastening pin 6 with a fin (soft material) 20 provided in the center of the washer 2 are provided. With. When attaching the tarpaulin 17 to the ceiling surface with the rundle unit A ', hold the landle unit A' in your hand and hold it against the part to be fastened. Then, dry the gunpowder gun or pneumatic driving machine, hit the fixing pin 6 with the screwdriver, and drive it into the wall.

[0004] When the waterproof sheet 17 is fixed to the side wall surface of the tunnel, the washer 2 may be removed from the lander unit A 'and the fixing pin 6 may be driven into the washer 2.

[0005] However, the work of driving the fastening pin with a driving machine while holding the rundle unit by hand requires fine attention and concentration, and is complicated. In addition, when attaching a waterproof sheet to the side wall surface, the washer is smaller than the Randall unit, so the work is complicated and there is a risk of injury. In particular, since the fastening pin is driven only against the washer, the hand is near the injection port of the driving machine, which is further dangerous.

[0006] In view of this, there has been considered a method in which a magnet is attached to the tip of the driving machine and a washer is attracted and held on the magnet (for example, see US Pat. No. 5484094). [0007] However, as described above, when the Randle unit is fixed to the wall of the tunnel, the fastening pin that is attached in advance as a part of the rundle unit is blanked by the driving machine. In tunnel construction, a lot of tarpaulins are stretched, so a lot of Randall units are also used. In the rundle unit, the Randall body is a set with a washer and a fastening pin. One rundle unit is taken out from a bag or box containing multiple Randle units and attached to the tarpaulin using both hands as described above. Therefore, since the work requires troublesome attention and concentration, the degree of fatigue increases. Also, since the fastening pins of the Randle unit interfere with the fastening pins of other Randle units, the number of Randle units stored in the bag or box is limited. Therefore, to secure a large number of randles, the bag or box must be changed many times.

[0008] The fastening pin is attached in advance in a state where the tip of the fastening pin stands vertically to the waterproof sheet, and is driven by a driving machine. Therefore, the fastening pin becomes somewhat unstable, and the angle between the fastening pin and the driver of the driving machine tends to be out of order.

[0009] Also, if the Randall unit is accidentally dropped on the ground, the tip of the fastening pin may face upward, which is dangerous in a dark tunnel.

[0010] Further, when the waterproof sheet is fixed to the side wall surface of the tunnel, the washer removed from the Randall unit is fixed to the waterproof sheet with a fixing pin. Therefore, the work of removing the washer from the land unit is complicated.

Disclosure of the invention

[0011] One or more embodiments of the present invention provide a land unit having excellent mounting workability and transportability. Furthermore, one or more embodiments of the present invention provide a method for attaching a Randall unit that can be performed easily, efficiently and safely.

[0012] According to one or more embodiments of the present invention, the Randle unit includes only a Randle body having a recess in the central part and a washer housed in the recess of the Randle body. The depth is greater than the thickness of the washer.

[0013] Further, according to one or more embodiments of the present invention, the mounting method of the Randall unit includes preparing a driving machine loaded with a connecting pin formed by connecting a plurality of fastening pins, Part A step of holding a Randle unit provided with a washer at the tip of the driving machine, driving out the fastening pin from the driving machine, penetrating through the center of the washer and driving it into the driven material.

Brief Description of Drawings

FIG. 1 is a longitudinal sectional view of a randall unit according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view showing a part of the Randle unit shown in FIG. 1 with a fastening pin in cross section.

FIG. 3 is a longitudinal sectional view of a Randall unit according to another embodiment.

[FIG. 4A] FIG. 4A is a longitudinal sectional view showing a state in which a washer is slid and attached to a main body of a randle in a randle unit according to still another embodiment.

[FIG. 4B] FIG. 4B is a cross-sectional view taken along line XX of FIG. 4A.

[FIG. 5] FIG. 5 is a cross-sectional view of the main parts of the Randle unit and the driving machine.

[FIG. 6] FIG. 6 is a cross-sectional view showing a state in which the Randall unit is sucked and held on the contact top.

[Fig. 7] Fig. 7 is a cross-sectional view showing an attachment mode of the Randall unit.

[FIG. 8A] FIG. 8A is a cross-sectional view showing the mounting of the Randall unit to the driving machine according to another embodiment.

FIG. 8B is an enlarged view of a part P in FIG. 8A.

[FIG. 9] FIG. 9 is a cross-sectional view showing the mounting of the randle unit to the driving machine according to still another embodiment of the contact top.

FIG. 10 is a cross-sectional view showing a conventional Randle unit and its mounting method.

Explanation of symbols

[0015] A rundle unit

1 Land Nore body

6 Fastening pin

14 Nose

15 Contact top

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

[0017] In FIG. 1 and FIG. 2, the symbol A indicates a Randall unit. This Landle unit A has a rundle body 1 and a washer 2.

[0018] The rundle body 1 is formed in a dodecagonal shape. A recess 3 in which a washer 2 is accommodated is formed at the center of the rundle body 1. A through hole 5 is formed in the center of the Randle body 1. The diameter of the through hole 5 is smaller than the head of the fastening pin 6 which is larger than the shaft portion of the fastening pin 6 for fastening the Randall unit A.

In an actual construction site, a waterproof sheet may be fixed to an uneven wall surface or ceiling surface. Therefore, in order to securely attach the waterproof sheet even to such uneven surfaces

The Randle body 1 is preferably made of an elastic material (synthetic resin or rubber) or a soft metal member.

The washer 2 is a metal magnetic body, and a through hole 4 smaller than the head portion larger than the shaft portion of the fastening pin 6 is formed at the center of the washer 2. Therefore, the resistance when the fastening pin 6 struck from a driving machine described later passes through the through hole 4 becomes small, and the Randall unit A itself is stable and is not easily vibrated or moved.

The diameter of the recess 3 is much larger than the diameter of the washer 2, and the depth of the recess 3 is larger than the thickness of the washer 2. That is, the thickness of the washer 2 is such that there is room for the washer 2 to be fitted into the recess 3 and that the tip of a driving machine to be described later fit into the remaining portion of the recess 3. The peripheral portion 8 of the rundle body 1 has a function of pressing the waterproof sheet, but the lower surface of the recess 3 is formed slightly lower than the lower surface of the peripheral portion 8. That is, the lower surface of the recess 3 protrudes from the peripheral edge 8 in the recess direction of the recess 3. This is because if the lower surface of the peripheral edge 8 is lower than the lower surface of the recess 3, the recess 3 is pulled up by the elastic restoring force of the land 1 and the fixation by the fastening pin 6 may deteriorate. .

[0022] The outer diameter of the main body 1 is preferably 1.5 to 3 times the outer diameter of the recess 3.

[0023] The washer 2 is attached to the Randall body 1 so as not to be easily detached. In the present embodiment, as shown in FIG. 2, several locking pieces 7 are formed along the circumferential direction on the inner surface of the recess 3 of the Randall body 1. The washer 2 is attached by being pushed into the recess 3 and locked to the locking piece 7. A through hole 10 for removing a washer is formed at an eccentric position at the bottom of the recess 3 of the rundle body 1. When removing the washer 2 from the main body 1, it is only necessary to insert a tool such as a screwdriver from the bottom of the through hole 10 and push the washer 2 upward to release the lock with the locking piece 7.

[0025] The form of attaching the washer 2 to the Randall body 1 is not limited to the above form. For example, the washer 2 may be attached with double-sided tape or adhesive 11 as shown in FIG. Also, as shown in FIGS. 4A and 4B, a slit 12 slightly narrower than the outer diameter of the recess 3 is formed on the side wall of the recess 3 of the Randall body 1, and the washer 2 is slid from the slit 12 into the recess 3. You can install it. The slit 12 is sized so that the washer 2 is slightly tight. In addition, a retaining portion 13 may be formed on the inner surface of the recess 3 to prevent the washer 2 from slipping upward. To remove the washer 2, pull the washer 2 out of the slit 12. Further, the washer 2 may be simply press-fitted into the recess 3 of the Randall body 1.

Next, a method for attaching the Randall unit A will be described with reference to FIGS.

The driving machine B includes a pin injection nose portion 14 and a contact member provided so as to be slidable along the pin injection nose portion 14. A contact top 15 is attached to the tip of the contact member. A magnet 16 is attached to the tip of the contact top 15. The driving machine B is loaded with a fastening pin 6 to be driven into the Randall unit A in a connected state, and driven out in order from the leading fastening pin 6. Hold the Randall unit A in your hand and push the tip of the contact top 15 into the recess 3 of the Randall body 1 or place the Randall unit A on a suitable base, etc. Push into recess 3. As a result, as shown in FIG. 6, the tip of the contact top 15 is inserted into the concave portion 3 of the Randall body 1. When the magnet 16 abuts against the washer 2, the washer 2 is attracted to the magnet 16 and held at the tip of the driving machine B. At this time, the through hole 5 of the land body 1 and the through hole 4 of the washer 2 are positioned at positions aligned with the injection port 9 of the fastening pin 6 formed in the nose portion 14 of the driving machine B.

Next, as shown in FIG. 7, by pressing the Randle unit A attached to the tip of the driving machine B against the ceiling wall surface 18 (material to be fixed) of the tunnel through the waterproof sheet 17, When the driving machine B is driven and operated, the fastening pin 6 struck by the driver 25 passes through the through hole 4 of the washer 2 from the injection port, and is further driven into the ceiling surface 18 through the waterproof sheet 17. . As a result, the Randall unit A can be fixedly secured to the waterproof sheet 17. Thereafter, it is sufficient to fix the Randall Unit A in the same manner.

[0028] When the waterproof sheet 17 is fixed to the side wall surface 19 of the tunnel, the waterproof sheet 17 may be fixed by the washer 2 instead of the Randall unit A (not shown). In such a case, the washer 2 is removed from the Randall A as described above, and the washer 2 is attracted to the magnet 16 of the contact top 15 of the driving machine B, and the fastening pin 6 is driven into the washer 2 and the waterproof sheet 17. It is sufficient to fix and fix.

[0029] As described above, the Randle unit A is composed of only the Randle body 1 and the washer 2, and the fastening pin 6 is not included. Therefore, it is possible to carry and carry a large number of land units A with little interference between the land units A, so that continuous work can be performed and workability is improved.

[0030] In addition, since there is no fastening pin 6 even when the Randall unit A is dropped, there is no danger, and the Randle A can be attached and fixed to the tip of the driving machine B with the magnet 16. Therefore, work efficiency is improved, and work safety is also improved because it is not necessary to hit with a hand.

[0031] In addition, since the randle unit A is for driving and fixing the fixing pin 6 loaded in the driving machine B, it is not necessary to set the fixing pin in advance as a part of the randall unit. Les. In addition, the tip of the driving machine B is accurately positioned in the recess of the Randall body 1. Therefore, it is not necessary to consider the angle between the fastening pin 6 and the driving machine B, so that the work of installing the Randall unit can be performed efficiently and safely.

[0032] Unlike the conventional magnet 16 adsorption of the washer 2, the center position of the washer 2 is fixed to the fastening pin 6 simply by lightly pressing the nose portion 14 of the driving machine B toward the recess 3 of the main body 1. The center of the washer 2 will not shift because it matches the driving position.

[0033] In addition, since the Randall unit is held at the tip of the driving machine B and the waterproof sheet 17 is fixed by a fixing pin driven out from a general-purpose power driving machine, work safety is improved, and at the same time Randol will not drop inside. Therefore, work becomes easy, and even if it is not veteran, it can work efficiently.

In addition, since the fastening pin 6 is not attached in advance to the landle unit A, a large number of the rundle units A can be compactly stacked. Therefore, it is convenient for transportation during work. 販売 It is possible to efficiently sell just by using IJ.

[0035] Furthermore, since the washer 2 is detachable with respect to the Randle body 1, the washer 2 can be removed from the Randle unit A, and only the washer 2 can be attracted to the driving machine B by the magnet 16. Therefore, in this case as well, the safety in working on the side wall surface, which is more dangerous than having to strike with a hand, is improved. In addition, since it is not a work that requires skill, it is possible to work efficiently even if it is not experienced.

Next, FIG. 8 shows another embodiment relating to the mounting of the Randall unit A to the driving machine B. An annular recess 21 is formed on the inner surface of the recess 3 of the rundle unit A. An annular convex portion 22 that can be engaged with the annular concave portion 21 is formed on the outer surface of the tip of the contact top 15 of the driving machine B. When the contact top 15 is pushed into the recess 3 of the Randall body 1, the annular protrusion 22 is fitted into the annular recess 21.

That is, when the contact top 15 at the tip of the driving machine B is pushed into the concave portion 3 of the landle body 1, the landle unit A is held by the contact top 15. Therefore, the Landol unit A can be easily attached to the driving machine B.

[0038] It should be noted that the annular recess 21 and the annular projection 22 are held so that the Landle unit A does not fall off from the contact top 15 when fitted together, and after the fastening pin 6 is driven, the driving machine B It is preferable to form it so that it can be easily detached by simply pulling it out of the Randall unit A. Further, it is preferable that the washer 2 is bonded and fixed to the bottom surface of the recess 3.

[0039] According to the above configuration, it is not necessary to attach the magnet 16 to the lower surface of the contact top 15.

In contrast to the above configuration, an annular convex portion may be formed in the concave portion of the Randall body, and an annular concave portion may be formed in the contact top. Further, only one of the concave portion or the convex portion may be annular.

FIG. 9 shows still another embodiment relating to the mounting of the Randall unit A to the driving machine B.

A cover part 23 is formed at the tip of the contact top 15 to take in the upper and side portions of the Randall unit A. A locking portion 24 that locks all or part of the peripheral edge portion 8 of the Randall body 1 is formed inside the lower end of the cover portion 23.

[0042] According to the above configuration, the contact top 15 is pressed over the Landle unit A and pressed. As a result, the locking portion 24 is deformed and locked to the peripheral edge 8 of the Randall body 1. As a result, the Landol unit A can be attached to the tip of the driving machine B. In this case as well, the Randle unit A can be mechanically held at the tip of the driving machine B, so there is no need to attach a magnet to the tip of the contact top 15.

[0043] When the rundle unit A is fixed to the mounting surface, the land lunit A together with the fixing pin 6 is detached from the cover portion 23 and pressed against the mounting surface to be fixed.

In any of the above-described embodiments, the outer shape of the Randle body 1 is formed in a dodecagonal shape. The outer shape of the Landle body may be circular or other polygonal shapes. In addition to the ferrous metal, any material that functions as a fastening pin, such as stainless steel or hard plastic, can be selected as the material for the fastening pin.

[0045] In addition, since the fastening pin 6 is driven by the power driving machine B, through holes are formed in the main body 1 and the washer 2, and this is not necessary.

Furthermore, in the above-described embodiment, the Randle unit A is attached to the contact top 15 connected to the contact member (contact arm) of the general-purpose power driving machine B. Instead of a force contact member that is slidably supported along the nose portion 14 of the power driving machine B, the contact member is attached to a contact nose portion that is attached to form a part of the nose portion. A rundle unit may be attached.

[0047] Although the present invention has been described in detail and with reference to specific embodiments, it will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention. is there.

[0048] This application is based on a Japanese patent application filed on March 14, 2006 (Japanese Patent Application No. 2006-069678), the contents of which are incorporated herein by reference.

Industrial applicability

[0049] In addition to providing a randall unit that is excellent in mounting workability and transportability, it is possible to provide a mounting method for a randall unit that can be performed easily, efficiently, and safely.

Claims

The scope of the claims

[1] A Randle body having a recess in the center,

It consists only of a washer stored in the recess of the Randall body,

The Randall unit is such that the depth of the recess is greater than the thickness of the washer.

2. The Randall unit according to claim 1, wherein a through hole is formed at the center of the washer.

[3] The land unit according to claim 1, wherein a through-hole is formed at an eccentric position of the bottom of the recess.

[4] The Randall unit according to [1], wherein a lower surface of the concave portion protrudes in a concave direction of the concave portion from a peripheral edge portion of the Randall body.

[5] On the inner surface of the recess, a locking piece is formed along the circumferential direction,

The Randle unit according to claim 1, wherein the washer is locked to the locking piece.

6. The land nore unit according to claim 1, wherein the washer is attached to the recess by an adhesive.

[7] A slit is formed in the side wall of the recess,

The land lug according to claim 1, wherein the washer is removable from the slit.

[8] Prepare a driving machine loaded with a connecting pin formed by connecting a plurality of fastening pins.

A step of holding a Randle unit having a washer in the center at the tip of the driving machine, driving out the fastening pin from the driving machine, penetrating through the center of the washer, and driving it into a workpiece. How to install the Randle unit.

[9] The method further comprises a step of attaching a magnet to the tip of the driving machine,

9. The mounting method of the Randall unit according to claim 8, wherein the step of holding the Randall unit includes a step of attracting the washer to the magnet.

[10] The method of attaching the Randle unit according to [8], wherein the step of holding the Randall unit includes a step of locking a peripheral edge of the Landrunit at a tip of the driving machine.