JP3768213B2 - Construction surface lining block - Google Patents

Description

  The present invention relates to a construction surface lining block for fixing a lining block to a construction surface by using a retaining means attached to the lining block.

Patent Document 1 shows a drawing method (anchor method) in which a retaining means attached to a lining block is embedded in a construction surface covered by the lining block and the lining block is fixed on the construction surface. As shown in FIGS. 1 to 10 and the like as specific means, the bar is fixed integrally with an adhesive while inserting the end of the bar as a retaining means into a hole drilled in a lining block made of natural stone. Is extended to the back of the lining block, or when the concrete lining block is molded, the end of the bar is embedded and integrated to extend the bar to the back of the lining block, and the bar is extended. At the end, a resistor plate is movably attached to improve the retention effect. And the thing of the said structure is used abundantly in actual site construction.
Japanese Patent No. 2983207

  The anchor construction method has an effect that each block can be stably retained on the construction surface when building a steep revetment wall by stacking the blocks. However, since the rod having rigidity extends long to the rear of the lining block, it becomes a hindrance when a large number of lining blocks are carried to the site by a truck or the like, and the stock transport efficiency is hindered. Moreover, it has the problem that a rod deform | transforms at the time of storage conveyance.

  In the preceding example, in order to cope with the above problem, as shown in FIG. 18, a ring portion is provided on the end portion of the bar and the covering block, and a method of connecting the two ring portions with a connecting metal fitting is shown. According to this method, rods must be individually connected to a large number of blocks at the site by connecting metal fittings, and workability is significantly deteriorated.

  This invention provides the construction surface lining block which solves the said problem appropriately.

The present invention, in the above-mentioned anchor method using the anchor means, a plurality of locking projections to protrude spaced locking projection or the outer peripheral surface of the annular causing projecting from the outer peripheral surface of the block to the lining block On the other hand, the retaining means is formed of a bar, the end of the retaining bar is bent to form a locking ring, and the locking ring is connected to the annular locking projection or a plurality of engagements. A construction surface lining block is constructed by engaging the stop projection and connecting the lining block and the retaining rod.

  According to the construction surface lining block, the retaining rod can be easily connected by simply pushing the retaining ring of the retaining rod into the retaining projection of the lining block at the construction site, and the retaining rod can be removed. It can be stored and transported separately from the lining block.

  When the drawing means is formed of a bar, the extending end of the drawing bar is bent in a direction crossing the bar to form a resistor. This solves a problem in the case where the resistor is formed from a plate material of another component.

  Further, when the drawing means is formed of a bar material and a plate material is used as the resistor, a stopper that prevents the plate material from advancing and retracting is provided at the rod material extension end, and each lining block has a position that functions as a resistor. Fixed at.

  1 and 2 is a lining block made of natural stone or a concrete molding block. The lining block 1 is provided with a retaining means 2, and the retaining means 2 is covered with the lining block 1. The lining block 1 is fixed to the construction surface 3 by being embedded in the construction surface 3 to be constructed.

  The lining block 1 is provided with an annular or a plurality of locking projections 12 projecting from the peripheral surface of the block 1, while the drawing means 2 is formed by the bar 4, and the end of the drawing bar 4 is A locking ring 5 is formed by bending, and the locking ring 5 is engaged with the annular or plural locking projections 12 to connect the lining block 1 and the retaining bar 4 to cover the construction surface. Form a block. The drawing rod 4 is made of a metal wire or a synthetic resin wire.

  As an example, as shown in FIGS. 1A and 1B, a locking tool 12 a made of L-shaped or C-shaped metal or synthetic resin is attached to the outer peripheral surface of the lining block 1 as the locking protrusion 12, and the rear outer peripheral surface of the lining block 1. A plurality of projecting projections are provided at intervals, and a substantially circular locking ring 5 is bent at the end of the above-described retaining rod 4, and the locking ring 12 is connected to the locking tool 12 a from the rear of the covering block 1. It is press-fitted so as to exceed, and is forcibly engaged with the locking device 12a, and the lining block 1 is locked to the locking device 12a in an annular shape and is engaged by a locking wheel 5 for connection.

  Preferably, the locking ring 5 bends the end portion of the retaining rod 4 in a circle around the rod 4 and has a free end at the winding end of the locking ring 5 due to this bending. The free end has a notch 7.

  The locking ring 5 can be elastically expanded / contracted by the notch 7, and the inscribed circle diameter R1 of the locking tool 12a and the inner diameter R2 of the locking ring 5 are made substantially equal. At least the inner diameter R2 of the locking ring 5 is set smaller than the outer diameter R3 of the locking tool 12a.

  Accordingly, the locking ring 5 is pushed into the outer peripheral surface of the lining block 1 over the locking tool 12a while being expanded in diameter against elasticity, restored according to elasticity, and engaged with the locking tool 12a. Is fulfilled. At this time, by extending the retaining rod 4 from the approximate center of the retaining ring 5 in the direction of the axis X, in other words, on the axis X passing through the approximate center of gravity of the lining block 1, the retaining force by the retaining rod 4 can be increased. It acts on the center of gravity of the lining block 1 as much as possible.

  In addition to making the outer shape of the locking ring 5 circular or elliptical, it includes a case of making it a polygonal locking ring 5 such as a quadrangle.

  A resistor 8 surrounded by a broken line in the figure is provided at the rear end of the above-mentioned retaining rod 4, that is, the end opposite to the end where the locking ring 5 is provided. A specific example of the resistor 8 will be described later.

  As another example, as shown in FIGS. 2A and 2B, a locking rib 12 b is provided on the outer peripheral surface of the lining block 1 as a locking projection 12, or the lining block is protruded annularly on the rear outer peripheral surface of the lining block 1. A plurality of protrusions are provided on the outer peripheral surface of the rear part 1 at intervals, and on the other hand, a substantially circular locking ring 5 is formed at the end of the retaining bar 4, and the locking ring 5 is covered with the lining block 1. From the rear side of the annular locking rib 12b or the protrusion so as to be forcibly engaged with the annular locking rib 12b or the protrusion, and locked to the lining block 1 in an annular manner by the locking ring 5. Engage with entanglement.

  Preferably, the locking ring 5 bends the end portion of the retaining rod 4 in a circle around the rod 4 and has a free end at the winding end of the locking ring 5 due to this bending. The free end has a notch 7.

  The locking ring 5 can be elastically expanded / contracted by the notch 7, and the inner diameter R1 of the annular locking rib 12b or the inscribed circle diameter R1 of the projection and the inner diameter R2 of the locking ring 5 are substantially equal. To do. At least the inner diameter R2 of the locking ring 5 is set smaller than the outer diameter R3 of the annular locking rib 12b or the diameter R3 of the circumscribed circle of the protrusion.

  Accordingly, the locking ring 5 is pushed into the outer peripheral surface of the covering block 1 over the annular locking rib 12b or the projection while being expanded in diameter against elasticity, and is restored according to the elasticity to the annular locking rib 12b or the projection. Enlisted and the above connection is fulfilled. At this time, by extending the retaining rod 4 from the approximate center of the retaining ring 5 in the direction of the axis X, in other words, on the axis X passing through the approximate center of gravity of the lining block 1, the retaining force by the retaining rod 4 can be increased. It acts on the center of gravity of the lining block 1 as much as possible to achieve more stable retention.

  In addition to making the outer shape of the locking ring 5 circular or elliptical, it includes a case of making it a polygonal locking ring 5 such as a quadrangle. Similarly, it includes cases where the outer shape of the annular locking rib 12b is a circle or an ellipse, or a polygon such as a quadrangle.

  A resistor 8 surrounded by a broken line in the figure is provided at the rear end of the above-mentioned retaining rod 4, that is, the end opposite to the end where the locking ring 5 is provided. A specific example of the resistor 8 will be described later.

  As shown in Fig. 9, the construction surface lining block is built up sequentially from the bottom to the bank slope, slopes on both sides of the road, slopes such as construction sites, parks, and embankments, etc. However, when the lining blocks 1 of each stage are stacked, the locking ring 5 is attached to each lining block 1 and extends rearward of the block 1 and is embedded in the construction surface 3.

  Usually, a backfill stone 9 is filled behind the lining block 1, and the backfill stone 9 prevents the movement of the resistor 8 and exerts a retaining action. Therefore, each lining block 1 is piled up, and the said revetment wall thru | or retaining wall are built stably. That is, the lining wall is constructed stably.

  According to the construction surface lining block shown in FIGS. 1 and 2, the engagement ring 5 of the retaining rod 4 is simply pushed into the locking projection 12 of the lining block 1 at the construction site, and the two are connected. It can be easily carried out, and the retaining rod 4 can be removed and separated from the lining block 1 to be stored and transported together.

  Further, the lining block 1 rotates around the locking ring 5 and the front surface of the block can be oriented in a state suitable for lining. The engaging ring 5 is engaged with the engaging member 12a, the engaging rib 12b, or the protrusion, and an adhesive is injected so as not to prevent the connection from being strengthened.

  When the drawing means 2 is formed of the bar 4, as shown in FIGS. 3 and 4, the extending end of the bar 4 is bent in the direction intersecting with the bar 4 to form the resistor 8. Form. This solves the problem of forming the resistor from a separate part plate.

  As shown in FIGS. 3 and 4, the rear end of the retaining rod 4 is bent into a circle or a square with the rod 4 approximately at the center, and a retaining ring 8 </ b> B serving as a resistor 8 with the rod 4 as the center is formed. Form. The retaining ring 8B is bent so as to protrude in a direction orthogonal to the bar 4.

  As shown in FIGS. 5 and 6, a retaining plate 8 </ b> C serving as the resistor 8 is attached to the rear end of the retaining rod 4 serving as the retaining means 2. Then, stoppers 15 and 16 for preventing the staying plate 8C from advancing and retreating are provided at the extending end of the staying bar 4 to fix the position functioning as the resistor 8 in each lining block 1.

  In FIG. 5, the nut 15a is screwed to the rear end of the retaining bar 4 to prevent the rearward movement of the tensioning plate 8C, and the rear end of the retaining bar 4 is bent, and the bent portion 16a is used for the retention. The plate 8C is prevented from moving forward.

  In FIG. 6, the rear end of the retaining rod 4 is bent, the bent portion 15b prevents the rearward movement of the retaining plate 8C, and the crimp sleeve 16b is inserted into the rear end of the retaining rod 4. Thus, the crimping sleeve 16b is used to prevent the retaining plate 8C from moving forward.

  Although not shown, a pair of crimping sleeves 16b can be inserted into and crimped to the rear end of the retaining rod 4 to prevent the retaining plate 8C from moving back and forth between the two crimping sleeves 16b.

  As shown in FIG. 7, the retaining plate 8 </ b> C is formed of a circular plate or a polygonal plate such as a quadrangle, a bar insertion port 17 is formed at the center, and the end of the retention rod 4 is formed in the insertion port 17. Is placed at a fixed position so that it cannot be moved by the stoppers 15 and 16.

  Further, as shown in FIG. 8, a slit 18 is provided in the retaining plate 8C from the peripheral edge to the bar insertion port 17 so that the retaining plate 8C can be press-fitted into the rear end of the retaining rod 4 through the slit 18. .

1 shows an embodiment of the present invention, in which A is an exploded perspective view showing a retaining rod and a lining block, B is an assembled perspective view, and C is a cross-sectional view for explaining the dimensions of the retaining rod and the lining block. Figure. The other embodiment of this invention is shown, A is a perspective view which decomposes | disassembles and shows a retention rod material and a lining block, B is the assembly perspective view. The perspective view which shows one specific example of the retaining ring which belongs to 1st Embodiment of a retaining means. The perspective view which shows the other specific example of the retaining ring which belongs to 1st Embodiment of a retaining means. The perspective view which shows one specific example of the retaining plate which belongs to 2nd Embodiment of a retaining means. The perspective view which shows the other specific example of the retention board which belongs to 2nd Embodiment of a retention means. The front view of the said tension plate. The front view which shows the other example of the said tension plate. The principal part sectional drawing explaining the lining wall formed using the lining block shown in FIG. 1, FIG. 2 using the retention rod as a retention means.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Covering block 2 Retention means 3 Construction surface 4 Retention bar material 5 Locking ring 7 Notch part 8 Resistor 8B Retaining ring 8C Drawer plate 9 Backing stone 12 Locking protrusion 12a Locking tool 12b Annular locking rib 15, 16 Stopper
15a Nut 16a Bending part 16b Crimp sleeve 17 Bar insertion slot 18 Split R1 Inner diameter R2 Inner diameter R3 Outer diameter X Axis

Claims (3)

In the construction surface lining block in which the retaining means attached to the lining block is embedded in the construction surface covered by the lining block, and the lining block is fixed to the construction surface, the lining block is attached to the outside of the block. An annular locking protrusion that protrudes from the peripheral surface or a plurality of locking protrusions that protrude at an interval on the outer peripheral surface, and on the other hand, a retaining means embedded in the construction surface is formed of a bar, An end portion of the bar member is bent to form an elastically expandable / contractable locking ring, and an annular locking projection or a plurality of locking projections are formed while expanding the diameter of the locking ring against elasticity. It was pushed into the outer peripheral surface of the lining block and restored according to elasticity, and engaged with the annular locking projection or a plurality of locking projections to connect the lining block and the bar serving as the retaining means. Construction surface lining block characterized by that. 2. The construction surface covering block according to claim 1, wherein a resistance body is formed by bending the bar extending end serving as the drawing means in a direction crossing the bar. 2. The construction according to claim 1, wherein a resistor is formed by inserting a plate material into the bar extending end serving as the drawing means, and a stopper for preventing the plate material from moving forward and backward is provided at the bar extended end. Face lining block.

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