JP3938385B2 - Construction side lining block unit - Google Patents

Description

  The present invention relates to a lining block unit on a construction surface in which a large number of lining blocks are arranged on the upper surface of a net and each lining block is connected to the net via a retainer, and in particular, the connection of each lining block to the net. Concerning structure.

Patent Documents 1 and 2 disclose a construction surface lining block unit in which a large number of lining blocks are arranged on the upper surface of the net and are coupled to the net. Is fastened, and a nut is screwed into this to fasten a retainer that is passed through the meridian or weft wire of the net, and the lining block is coupled to the net via the retainer.
Japanese Patent Laid-Open No. 11-158839 JP 2000-192467 A

  More specifically, in this preceding example, the headless bolt is inserted in advance into the cylindrical anchor so that the enlarged diameter portion of the tip portion protrudes from one end of the cylindrical anchor, and the male screw portion at the other end is cylindrical. The cylindrical anchor with the headless bolt inserted is inserted into the bottomed bottom hole provided in the lining block, and then the cylindrical anchor is driven toward the inner bottom of the bottomed bottom hole. As a result, the above-mentioned expanded diameter portion is press-fitted into the cylindrical anchor, the split claw piece of the cylindrical anchor is forcibly expanded, and the cylindrical anchor is bitten and joined to the inner wall of the bottomed prepared hole.

  As a result, the headless bolt is preliminarily formed such that the enlarged diameter portion at one end is press-fitted into the cylindrical anchor, and the male screw portion at the other end protrudes from the opening of the bottomed pilot hole, that is, the surface of the lining block.

  On the other hand, the above-mentioned retainer is passed through the weft wire or meridian of the net, the male screw part is inserted into the bolt through hole provided in the central part of the retainer, and the nut is screwed into the male screw part from the lower surface side of the net In addition, while the nut seat surface is brought into contact with the lower surface of the retainer by the screwing, the retainer block is coupled to the net by tightening the retainer between the nut seat surface and the lower surface of the cover block.

  However, in the preceding example, a state in which the headless bolt protrudes in advance from the lower surface of the lining block is formed, which may cause damage or inclination of the bolt thread due to an external impact. Since the anchor is driven into the inner bottom of the pilot hole limited by headless bolts and is press-fitted onto the outer peripheral surface of the enlarged diameter part of the headless bolt, the coupling claw of the split claw piece of the cylindrical anchor is deformed by the inner wall of the pilot hole during this driving And has the problem of reducing the biting force against the inner wall.

  The above lining blocks are extremely heavy, and since the lining block unit carrying a large number of lining blocks is lifted by a crane and laid on the construction surface, each lining block and the net are firmly connected with high reliability. Required. The preceding example has a problem of lowering the binding force and is harmful to safety.

  In addition, these lining block units are often laid on the construction surface near the coast, harbors, and estuaries, but not only the nets, but also the rust caused by aging on the cylindrical anchors, anchors, headless bolts and nuts. It is a problem that the rust flows out to the surrounding area and contaminates the environment.

  In any of the preceding examples, since the net, the cylindrical anchor, the retainer, the headless bolt, and the nut are all made of metal, the problem of environmental pollution is inherent.

  Further, the progress of rust due to the above-mentioned aging deterioration loses the binding force of the block to the net, and there is a risk of the lining block sliding off from the construction surface (slope).

  This invention provides the lining block unit of the construction surface which solves the said various problems appropriately.

The lining block unit according to the present invention includes a cylindrical anchor made of synthetic resin in a bottomed prepared hole provided in the lining block, and the net is made of synthetic resin, and a meridian or latitude wire of the net The retainer to be passed through is made of synthetic resin, and further screwed into the cylindrical anchor to couple the retainer to the lining block, and at the same time, couple the lining block to the net via the retainer The bolt was made of synthetic resin. The headed bolt is made of a synthetic resin mixed with reinforcing fibers.

  The cylindrical anchor has a split claw piece that is expanded on the inner end side by press-fitting the anchor pin to the inner end side, and is connected to the inner wall of the bottomed bottom hole, and has a female threaded cylindrical portion on the outer end side. Has the structure.

  On the other hand, a retainer having an upper plate that is hung on the upper surface of the net and a lower plate that is hung on the lower surface of the net, and a bolt through hole that penetrates the upper plate and the lower plate, A headed bolt in which a male screw shaft and a bolt head are integrally formed is prepared.

  The male screw shaft portion of the headed bolt is inserted into the bolt through hole of the retainer from the lower surface side of the net while being screwed into the female screw tube portion of the cylindrical anchor, and the outer end surface of the male screw shaft portion and the anchor pin are removed. The end face faces each other, and the upper cover plate and the lower cover plate are fastened between the seat surface of the bolt head and the lower surface of the lining block by the screwing, and the lining block is connected to the net. is there.

The net has a structure in which a plurality of converging wire rods made of synthetic resin fibers (multifilaments), glass fibers, carbon fibers or the like other than metals are covered with a synthetic resin layer, and used as meridian and weft wires . These are latticed to form a net.

  The synthetic resin fiber is suitably a polyester fiber.

  Furthermore, all the anchors and the headed bolts, which are connecting means and coupling means, are made of synthetic resin. When using a washer for the head bearing surface of the headed bolt, it is also made of synthetic resin. The anchor pin that is press-fitted into the cylindrical anchor is also made of synthetic resin.

  The anchor pin press-fitted into the cylindrical anchor has a true cylindrical shape and has a tapered end at the inner end. Prior to screwing the headed bolt, the anchor pin is driven into the inner depth of the bottomed pilot hole (inner end side of the bottomed lower hole), that is, the inner depth of the cylindrical anchor, or the cylindrical anchor Temporarily press-fitting to the middle, and the male screw shaft presses the anchor pin into the inner part of the cylindrical anchor by screwing the headed bolt into the female screw cylindrical part, so that the split claw of the cylindrical anchor Holds the connection to the inner wall of the bottomed pilot hole by forced expansion of the piece.

  The inner end surface of the male screw shaft portion of the headed bolt and the outer end surface of the anchor pin face each other in the proximity state, thereby restricting the anchor pin. Alternatively, the anchor pin is restricted by bringing the inner end surface of the male screw shaft portion of the headed bolt into contact with the outer end surface of the anchor pin.

  The retainer includes a pair of upper hanging plates that are bent in a relative direction so as to be parallel to the lower hanging plate from the left end and the right end of the lower hanging plate and are hung on the upper surface of the net. The upper plate is superposed on the upper surface of the net, and the bolt holes are provided in the overlapping portion of the upper plate and the lower plate.

  Alternatively, the retainer has a pair of lower hanging plates that are bent in a relative direction so as to be parallel to the upper hanging plate from the left end and the right end of the upper hanging plate and are hung on the lower surface of the net. The lower plate is superposed on the lower surface of the net, and the bolt hole is provided in the overlapping portion of the lower plate and the upper plate.

  A headed bolt is inserted into the bolt through hole of the pair of upper and lower hanging plates, and the male threaded shaft portion of the headed bolt is screwed into the female threaded cylindrical portion of the cylindrical anchor, thereby lowering the upper hanging plate and the lower hanging plate. The plate is fastened, a plurality of warp wires or weft wires of the net are held between the upper plate and the lower plate, and the lining block is coupled to the net through the retainer.

  The retainer has a thin hinge plate at each connection portion of the upper plate and the lower plate, and the upper plate, the lower plate, and the thin hinge plate are integrally formed of synthetic resin. .

According to the present invention, when the cylindrical anchor is installed in the bottomed bottom hole of the lining block and coupled, the state where the bolt protrudes from the lower surface of the lining block is not formed. By simply screwing the headed bolt into the female threaded cylinder of the cylindrical anchor afterwards, the work of connecting the retainer to the lining block and connecting the lining block to the net via the retainer can be easily performed. it can.
Also, the coupling strength between the male threaded shaft portion of the headed bolt and the female threaded cylindrical portion of the cylindrical anchor secures the coupling strength between them, and the heavy weight lining block can be firmly coupled to the net as a whole.

  Furthermore, by making the nets made of synthetic resin fibers or other tensile strength fibers, it is possible to secure heat resistance and tensile strength that supports a heavy weight lining block.

  In addition, the net is made of the above-mentioned materials, and the cylindrical anchor, the retainer, and the headed bolt are made of synthetic resin, so that rust caused by aging can be effectively prevented, and rust flows out and hinders the environment. To solve the problem appropriately, exhibit chemical resistance even in acidic and alkaline environments, and prevent acid and alkaline degradation. Therefore, the bond strength of the lining block can be maintained for many years.

  Embodiments of the present invention will be described below with reference to FIGS.

  In this lining block unit 1, as shown in FIGS. 8 and 9, a large number of lining blocks 3 are arranged on the upper surface of the net 2, and each lining block 3 is a plurality of warp wires 4 or wefts of the net 2. It has a structure in which each lining block 3 is coupled to the net 2 via a retainer 6 passed through the wire 5 and coupling means for coupling the retainer 6 to the lining block 3.

  The lining block 3 is a natural stone block or a concrete block existing in nature.

  The net 2 has a meridian material 4 and a latitude wire material 5, and the meridian material 4 and the latitude wire material 5 use synthetic resin fiber (multifilament) converging wires. Alternatively, it is formed of a glass fiber focusing wire or a carbon fiber focusing wire, and these are latticed to form the net 2.

  As shown in FIG. 1, the coupling means for coupling the retainer 6 to the net 2 includes a cylindrical anchor 7, an anchor pin 8, a headed bolt 9, and a washer 10. This washer 10 can be saved.

  As shown in FIG. 3, a bottomed pilot hole 11 is provided in each lining block 3 with a drill or the like, and as shown in FIG. 4, a cylindrical tubular anchor 7 is provided in the bottomed pilot hole.

  The cylindrical anchor 7 has a female threaded cylinder portion 12 having a female thread formed on the inner peripheral surface on the outer end side, and includes a plurality of split claw pieces 14 cut and cut by a split groove 13 on the inner end side. A coupling claw 15 is provided on the outer peripheral surface of the split claw piece 14. A flange 25 seated on the opening surface of the bottomed pilot hole 11 is provided at the inlet of the female screw cylinder portion 12.

  The cylindrical anchor 7 having the female screw cylindrical portion 12, the split claw piece 14, and the flange 25 is integrally formed of synthetic resin. This synthetic resin is suitably nylon, for example nylon 6. In this cylindrical anchor 7, the female threaded cylindrical portion 12 is cylindrical, and the split claw piece 14 does not need to be cylindrical.

  Next, as shown in FIG. 5A, a cylindrical anchor pin 8 is press-fitted into the cylindrical anchor 7. The anchor pin 8 has a true cylindrical shape and has a tapered portion at the inner end. This anchor pin 8 is driven into the inner deep part of the bottomed pilot hole 11, that is, the inner deep part of the cylindrical anchor 7 with a tool, and the split claw piece 14 of the cylindrical anchor 7 is forcibly expanded. The coupling claw 15 of the claw piece 14 is bitten to the inner wall of the bottomed pilot hole 11 to couple the cylindrical anchor 7 to the bottomed pilot hole 11.

  The anchor pin 8 has a length extending beyond the internal thread cylindrical portion 12 of the cylindrical anchor 7. Therefore, the anchor pin 8 is completely embedded on the inner end side of the cylindrical anchor 7.

  The anchor pin 8 is formed of a synthetic resin. Nylon is suitable for this synthetic resin.

  Next, as shown in FIG. 6, the upper plate 17 that forms the retainer 6 is hung on the upper surface (the block-side upper surface) of the net 2, and the lower plate 16 is hung on the lower surface of the net 2. A plurality of warp wires 4 or weft wires 5 that form the net 2 are passed between the plate 17 and the lower plate 16.

  The retainer 6 has a configuration in which an upper hanging plate 17 and a lower hanging plate 16 are formed as separate parts, and a bolt through hole 19 is concentrically opened at the center thereof. Alternatively, as shown in FIGS. 1 and 2, the upper plate 17 that is hung on the upper surface of the net 2 and the lower plate 16 that is hung on the lower surface of the net 2 are integrated with a single band plate. The bolt through hole 19 is concentrically opened at the center of the upper and lower plate 17 and 16.

  The retainer 6 having the upper plate 17 and the lower plate 16 is integrally formed of synthetic resin. The synthetic resin is suitably polypropylene.

  Next, a headed bolt 9 in which a male screw shaft portion 20 and a bolt head portion 21 are integrally formed is prepared, and the male screw shaft portion 20 of the headed bolt 9 is threaded from the lower surface side of the net 2 through the bolt of the above-described retainer 6. While being inserted into the hole 19, it is screwed into the female threaded cylindrical portion 12 of the cylindrical anchor 7, and the upper cover plate 17 and the lower surface are interposed between the seating surface of the bolt head 21 and the lower surface of the lining block 3 by the screwing. The cover block 3 is coupled to the net 2 by fastening the hanging plate 16.

  The inner end face of the male threaded shaft portion 20 of the headed bolt 9 and the outer end face of the anchor pin 8 face each other in the proximity state, thereby restricting the anchor pin 8. Alternatively, the anchor pin 8 is regulated by bringing the inner end surface of the male screw shaft portion 20 of the headed bolt 9 into contact with the outer end surface of the anchor pin 8.

  The headed bolt 9 is formed by integrally molding the male screw shaft portion 20 and the bolt head portion 21 with a synthetic resin. As the synthetic resin, a duracon resin, particularly a polyacetal resin is suitable, and a resin in which reinforcing fibers such as glass fibers are mixed is preferably used.

  As described above, the net 2 is made of a wire made of a tensile resin such as a synthetic resin other than metal or glass fiber. In addition, the tubular anchor 7, anchor pin 8 and headed bolt 9 as a retaining device 6 and a block connecting means are attached. Made of synthetic resin. When the washer 10 is used for the head seating surface of the headed bolt 9, it is also made of synthetic resin.

  As shown in FIG. 5A, the anchor pin 8 that can be press-fitted into the cylindrical anchor 7 is formed by using a tool before screwing the headed bolt 9 inside the bottomed bottom hole 11 (inside the inner end), In other words, the inner anchor portion (inner end side inside) of the cylindrical anchor 7 is driven in, or as shown in FIG. 9, the outer end surface of the anchor pin 8 is pressed by the inner end surface of the male screw shaft portion 20 to advance the press-fitting into the inner back portion of the cylindrical anchor 7. Maintains the connection to the inner wall of the bottomed prepared hole by forced expansion of

  As shown in FIG. 2, the retainer 6 is a pair that is bent from the left end and the right end of the lower plate 16 in a relative direction so as to be parallel to the lower plate 16 and is overlaid on the upper surface of the net 2. The upper plate 17 is superposed on the upper surface of the net 2, and the bolt holes 19 are concentric with the overlapping portion of the upper plate 17 and the lower plate 16. Provide.

  Or although illustration is abbreviate | omitted, the said retainer 6 can be reversed and used. In this case, the upper cover plate 17 has a single structure and is bent from the left end and the right end of the upper cover plate 17 in a relative direction so as to be parallel to the upper cover plate 17, and is formed on the lower surface of the net 2. A pair of lower hanging plates 16 to be hung are connected in series, the pair of lower hanging plates 16 are overlapped with each other on the lower surface of the net 2, and the bolts are connected to the overlapping portions of the lower hanging plates 16 and the upper hanging plate 17. The through holes 19 are provided concentrically.

  The pair of upper hanging plates 17 or lower hanging plates 16 have elasticity and are urged in the standing direction by the elasticity. By screwing and tightening the headed bolt 9 to the female threaded cylinder portion 12, the two upper cover plates 17 or the lower cover plate 16 are folded against each other and polymerized.

  Therefore, the upper hanging plate 17 and the lower hanging plate 16 are fastened by screwing the headed bolts 9, that is, fastened against the elasticity and tightened, and the net 2 is interposed between the upper hanging plate 17 and the lower hanging plate 16. A plurality of meridian wires 4 or latitude wires 5 are sandwiched.

  As shown in FIG. 2, the retainer 6 has a thin hinge plate 18 at each connecting portion of the upper plate 17 and the lower plate 16, and the upper plate 17, each lower plate 16, and each thin wall. The hinge plate portion 18 is integrally formed with a synthetic resin, and the pair of upper and lower hanging plates 17 or 16 are bent in a relative direction while bending the thin hinge plate portion 18 against elasticity. 6 is formed.

  Next, a specific structural example of the net 2 will be described with reference to FIGS.

  As shown in FIG. 11, the meridian 4 and the weft wire 5 of the net 2 use a wire 23 in which synthetic resin fibers 22 or glass fibers or carbon fibers are converged, and a plurality of the wires 23 are used to connect the meridians 4 and the wefts. A wire 5 is formed.

  That is, one of the meridian 4 and the weft 5 has a structure in which the wire 23 is parallel to the same plane and covered with a synthetic resin layer 24 as shown in FIGS.

  The other of the meridian wire 4 and the weft wire 5 has a structure in which the plurality of wires 23 are twisted together and covered with a synthetic resin layer 24 as shown in FIGS. 13A and 13B.

  The net 2 is formed by connecting the meridian material 4 and the latitude wire material 5 to a normal lattice group or an oblique lattice group. For example, as shown in FIG. 10 and FIG. 13C, the other wire 23 is inserted between one twisted wire 23 having a twisted structure, and the net 2 is braided.

  The net 2 is formed by covering the wire 23 in parallel or twisting to form the synthetic resin layer 24 to form the same meridian wire 5 as the covered meridian wire 4 and then assembling the lattice on the net. Alternatively, a net made of warp wires 4 and weft wires 5 in which the wire materials 23 are arranged in parallel or twisted is grid-assembled, and then the whole is covered with the synthetic resin layer 24 by, for example, being immersed in a synthetic resin solution.

Sectional drawing of each element which forms a retainer and coupling means. A is a developed view of a retaining device, B is a sectional view thereof, and C is a sectional view showing the bent state. Sectional drawing which shows the state which provided the bottomed pilot hole in the lining block. Sectional drawing which shows the state which installed the cylindrical anchor in the said bottomed pilot hole. A and B are sectional views showing a first example and a second example in a state where an anchor pin is press-fitted into the cylindrical anchor. Sectional drawing which shows the state which passed the retaining tool through the net. Sectional drawing which shows the state which screwed the headed bolt to the cylindrical anchor, and couple | bonded the retainer and the lining block with the net | network. The top view of the lining block unit which shows the state which couple | bonded many lining blocks with the net | network. The partial bottom view of the lining block unit which shows the state which couple | bonded many lining blocks with the net | network. The enlarged plan view which shows the lattice assembly structure of the meridian and latitude wire of the said net | network. The expanded sectional view of the wire used for the said meridian and a latitude wire. A is a transverse cross-sectional view of one of the meridian or latitude wire using the wire, and B is the vertical cross-sectional view. A is a transverse cross-sectional view of the other of a latitude wire or a meridian using the wire, B is a longitudinal cross-sectional view, and C is an enlarged cross-sectional view showing a braided state of the warp and latitude wires.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Lining block unit, 2 ... Net, 3 ... Lining block, 4 ... Meridian material, 5 ... Latitudinal wire material, 6 ... Tension tool, 7 ... Cylindrical anchor, 8 ... Anchor pin, 9 ... Headed bolt, 10 DESCRIPTION OF SYMBOLS ... Washer, 11 ... Bottom hole, 12 ... Female thread cylinder part, 13 ... Split groove, 14 ... Split claw piece, 15 ... Coupling claw, 16 ... Bottom plate, 17 ... Top plate, 18 ... Thin hinge plate part, DESCRIPTION OF SYMBOLS 19 ... Bolt through hole, 20 ... Male screw shaft part, 21 ... Bolt head part, 22 ... Synthetic resin fiber, 23 ... Wire rod, 24 ... Synthetic resin layer, 25 ... Flange

Claims (1)

A large number of lining blocks are arranged on the upper surface of the synthetic resin net, and a cylindrical anchor made of synthetic resin is installed in a bottomed prepared hole provided in the lining block. It has a female threaded cylinder part with a female thread formed on the surface, it has a plurality of split claw pieces cut by a split groove on the inner end side, a anchor pin made of synthetic resin that press fits into a cylindrical anchor, Push into the inner part of the cylindrical anchor and press-fit it to forcibly expand the split claw piece of the cylindrical anchor, and bite the split claw piece into the inner wall of the bottomed bottom hole to connect the cylindrical anchor to the bottomed bottom hole And a synthetic resin retainer that is passed through the meridian or latitude wire of the synthetic resin net, and is further screwed into the female screw cylinder portion of the cylindrical anchor to block the retainer. At the same time as connecting the lining block to the net Comprising a binding made of synthetic resin headed bolt, in the proximity or contact state the outer end face of the inner end surface and the anchor pin of the male screw shaft portion of the organic head bolt has a configuration for regulating the anchor pin, The net has a structure in which a plurality of wires in which the meridian and weft wires are bundled with tensile strength fibers other than metal are covered with a synthetic resin layer, and the headed bolt is made of a synthetic resin mixed with reinforcing fibers. A lining block unit for the construction surface characterized by this.

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