JP2006112156A - Construction device of mat with block and natural stone assembly - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a construction device of a mat with a block assembly capable of easily and surely sandiwiching the mat with the block assembly, easy in handling the device, and easy in maintenance. <P>SOLUTION: This construction device lifts these members by sandwiching an end part of the mat with the assembly of a concrete block or a natural stone by a lower gripping member and an upper gripping member. The lower gripping member is composed of an inclined face having the front-rear two sides with the apex extending in the longitudinal direction as the center. Expanded metal is fixed to the inclined face having the front-rear two sides. The upper gripping member is formed in an umbrella shape so as to cover the inclined face having the two sides of the lower gripping member. A pair of pressing-down members having a plurality of pressing-down adjusting members, are arranged on the left and right of the upper gripping member by a fastening mechanism. A link having the two sides is respectively arranged between the pair of pressing-down members and an upper frame of a frame body. The mat between the upper gripping member and the lower gripping member is gripped or opened by vertically moving the pair of pressing-down members by laterally moving respective connecting members by rotating one handle. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  TECHNICAL FIELD The present invention relates to a concrete block and a construction apparatus for a mat with a natural stone aggregate used for repair work such as revetment.

Conventionally, as a concrete block used for renovation work such as revetment, for example, as disclosed in Patent Document 1, a large number of concrete blocks are assembled and fixed on a woven mat, and this mat with a block aggregate is used. There is a known method for constructing a seawall together.
In addition, in order to simplify the work on the revetment of artificial stone concrete, the applicant has reduced the size of the natural stone-patterned artificial stone concrete block, and irregularly observed the placement of the artificial stone on the construction surface. A concrete block assembly designed to prevent grass and small shrubs from nurturing and natural destruction to a minimum with a structure in which the line is not a straight line but an irregular line, and rainwater flowing on the construction surface prevents the soil from being washed away. A mat with a body has been proposed (Patent Document 2).
This mat with a concrete block assembly is a mat with a block assembly in which a large number of pseudo-stone concrete blocks are arranged in advance on a 6 m × 1.6 m fiber mat and fixed so as not to be detached. Dedicated construction equipment is required for revetment and river construction of this mat with block assemblies.
As shown in Fig. 1, a conventional dedicated construction device usually holds both ends of a mat of 1 ton or more between dedicated grippers a, lifts the dedicated grippers a on both ends with a crane or forklift, and transports or constructs them. It was.
Japanese Patent Publication No.3-3766 Japanese Patent Application No. 2003-503716

By the way, in the construction of the mat described above, a dedicated construction device having a pair of gripping devices a as described above is used. However, the conventional dedicated construction device has the following problems.
That is, one of a pair of mat gripping devices a is shown in FIG. 1, but the gripping mat is a cloth of a wide fiber with a length of 6 m and a width of 1.6 m, and the mat fastening mechanism b has a width greater than the mat width. The lower gripping member “c” and the upper gripping member “d” hold and grip the part X of the mat 1 without the pseudo stone from the top and bottom, and similarly grip the other end X of the mat 1 Then, the construction device having the pair of mat fastening mechanisms b is lifted with a crane or the like to be transported and constructed. The lower gripping member c of the mat clamping mechanism b is usually provided with a pair of iron bars e and a hard rubber f in the length direction, and sandwiches the mat 1 with the iron flat surface g of the upper gripping member d. Instead, in order to prevent the mat 1 from slipping, the iron bar h was rolled up and folded back and sandwiched again by the upper gripping member d. For this reason, the work of sandwiching the mat 1 is troublesome, and the hard rubber h is worn out, so it must be replaced each time.
Further, the upper gripping member d of the tightening mechanism b is attached to a screw rod kl provided with two handles i and j at both ends so as to move up and down at both ends. Thus, the mat end X must be sandwiched between the two workers by simultaneously rotating the handles i and j at both ends so that the lowering is always in a horizontal state.

  The present invention has been made in view of the above-mentioned problems, and the problem is that, in a construction apparatus for a mat with a concrete block assembly, even one worker can easily and reliably sandwich the mat with a block assembly. An object of the present invention is to provide a construction apparatus for a mat with a block assembly that is easy to handle and easy to maintain.

  In order to solve the above-mentioned problems, the invention of claim 1 is composed of a frame, a lower holding member provided in the frame, and an upper holding member, and is an end of a mat with a concrete block or natural stone aggregate. In a construction apparatus that lifts these members by sandwiching them between the lower gripping member and the upper gripping member, the lower gripping member is fixed to the bottom of the frame of the construction apparatus and has a length corresponding to the width of the mat. The upper gripping member has two sides of the lower gripping member, and the upper gripping member has two sides of the lower gripping member. It is an umbrella shape that sandwiches the mat end composed of two front and rear slopes so as to cover, and is connected to a clamping mechanism that moves up and down at the upper part of the upper gripping member. A pair of pressing adjustment members on the left and right sides An attachment member is provided, and two links are provided between the pair of pressing members and the upper frame of the frame. The two links are connected by a connecting member, and each connection member is rotated by one handle. A mat with a concrete block or a natural stone aggregate characterized by moving or moving left and right to move the pair of pressing members up and down to grip or release the mat between the upper gripping member and the lower gripping member Construction equipment.

  The invention of claim 2 is a construction apparatus for a mat with a concrete block or natural stone aggregate according to claim 1, wherein a connecting column connecting member is provided on the upper frame of the frame body of the construction apparatus, In the case where a connecting column for mounting a pair of construction devices is provided to correspond to both ends of the mat, rails are provided on both sides of the connecting column, and a pin fixing member having a plurality of fitting grooves is provided on the upper surface of the connecting column. The connecting column connecting member is provided with a pair of wheels that can move on the rail, a detachable rotating shaft that fits in the desired fitting groove, and a construction device with respect to the bottom surface of the connecting column. A detachable fixed shaft is provided so that the side frame of the frame and the connecting column are fixed at a right angle. When the fixed shaft is removed, the frame can be rotated, and the rotating shaft is removed. When we were able to move on rail of connection pillar by wheel It is a construction unit of the mat with a collection of concrete block or natural stone features.

The invention of claim 3 is the construction apparatus for the mat with the concrete block or natural stone aggregate according to claim 2, wherein the fork fitting part of the forklift and the crane suspension part are provided at substantially the center part of the connecting pillar. A construction apparatus for mats with aggregates of concrete blocks or natural stones.

  As described above, according to the present invention, since one handle can be rotated to simultaneously operate a plurality of pressing members of the lower gripping member, a single worker can uniformly tighten the entire width of the mat end. Since the expanded metal is provided on both slopes of the lower gripping member, even heavy mats do not slide down and are not as worn as conventional hard rubber, making maintenance easy. In particular, according to the invention of claim 2, since the wheel is provided in the construction device at the connecting column, the positioning of the construction device is simple, and the tool can be fixed in a standing state by fitting the fixed shaft. Handling is also simple.

Here, in the construction apparatus for a mat with a concrete block or natural stone aggregate according to the present invention, a preferred embodiment of the construction apparatus for a mat with a pseudo stone block aggregate of concrete will be described with reference to the drawings.
As shown in FIG. 2, the mat with a pseudo stone block assembly used in this example is made of polypropylene fibers having a length of 6 m and a width of 1.6 m, which are wide and resistant to chemical reactions of alkali such as cement. The lower surface is a non-woven fabric made of composite material with strong polyester fibers, and the lower surface contains polyester filaments for reinforcement. The mat 1 is covered with a number of pseudo stone blocks 11 and fixed. However, as shown in FIG. 3, four types of pseudo stone blocks (11A, 11B, 11C, 11D) are combined, and the plane of one pseudo stone substrate has almost the same vertical and horizontal dimensions. It has a substantially square shape, and at least one of the four corners of the square has inclined surfaces 12A, 12B, 12C, and 12D of 45 °, and these block substrates are combined as shown in FIG. And a shape that almost covers the entire surface of the mat In addition, the joined line 14 is not a straight line, but when two parallel lines are alternately moved at 45 ° diagonal lines and separated, they are joined vertically and horizontally. The line has a planar shape in which trapezoids are arranged at intervals.

  On the block substrate, pseudo stones 13A, 13B, 13C, and 13D imitating natural stones are placed to form pseudo stone blocks. The pseudo stone block 11 is laid and fixed on the mat 1, and as shown in FIG. The joint line 14 of the pseudo stone block aggregate in 1 is a shape in which trapezoids 14A and 14B are arranged at intervals, and the joint line 15 of the pseudo stone concrete block in the next mat 1 is also spaced from the trapezoids 15A and 15B. If the shape is shifted by one block substrate as shown in FIG. 5, a mat 1D of a pseudo stone block aggregate is laid on the site such as the seawall Y as shown in FIG. 5, and the pseudo stone block in the width direction of the mat 1D is placed. The part of the next mat 1C pseudo stone block that is slightly protruding is joined to the part where there is no mark, and it is constructed in the order of 1D, 1C, 1B, 1A. Even if the mat is slightly shifted from the mat, the joint portion at the time of construction is accurately guided to a natural snug joining position, and the joining line is not exactly conspicuous.

As shown in FIG. 6, both ends of such a mat with a pseudo stone block aggregate are provided with a portion X of a mat that does not have a pseudo stone block 11 aggregate within a range of 50 cm (50 cm × 160 cm). The both ends X are gripped by the construction apparatuses 2A and 2B of the present embodiment, and are carried on the revetment Y or the like with a forklift or a crane Z at the site of transportation or on-site.
Here, the construction apparatuses 2, 2A, and 2B will be described with reference to FIGS.
FIG. 7 is a plan view of one construction device 2 (2A) in the pair of construction devices 2A and 2B shown in FIG. 6 as viewed from the outside with the handle, and the lower grip provided in the frame 3 and the frame 3 It consists of the member 4 and the upper gripping member 5, and the end portion X of the mat 1 with the pseudo stone block 11 assembly is sandwiched between the lower gripping member 4 and the upper gripping member 5, and this construction apparatus 2 is connected to the forklift Z in FIG. lift.

In FIG. 7, the lower gripping member 4 is fixed to the bottom 31 also serving as the bottom frame of the frame 3 of the construction apparatus 2, and has a length equal to or greater than the width (1.6 m) of the mat 1, As shown in the enlarged side cross-sectional view, the lower part is a square 41 and the upper part is a roof-shaped isosceles triangle 42, and the central apex 43 extends in the length direction (width direction), and the isosceles triangle 42 The expanded metal 44 is fixed to the side slopes 42a, 42b by welding, and the mat 1 with pseudo stone block aggregates moves forward or backward in the front-rear direction of the slopes 42a, 42b as shown in FIG.
The upper gripping member 5 is provided so as to be movable up and down facing the lower gripping member 4. The upper gripping member 5 has two sides in the front-rear direction so as to cover the two inclined surfaces 42 a and 42 b of the lower gripping member 4. It consists of slopes 51a, 51b, and is configured to sandwich the mat end X from above in an umbrella shape consisting of two sides 51a, 51b of the isosceles triangle 52 in cross section.

An upper part of the upper gripping member 5 is connected to a tightening mechanism 6 that moves up and down.
The clamping mechanism 6 is provided with a pair of pressing members 61a and 61b on the left and right sides of the upper gripping member 5, and the pressing members 61a and 61b are provided so that the pressing force on the upper gripping member 5 is almost uniform at any location. As shown in FIG. 9, each pressing adjustment member 61a1, 61a2, 61b1, 61b2 is gripped by an adjustment screw 611 and a fixing nut 612 as shown in FIG. The distance between the member 5 and the pressing members 61a and 61b is adjusted.
On the other hand, the bottom 31 and the upper frame 32 of the frame 3 are connected and fixed by both side frames 33a and 33b, but between the pair of pressing members 61a and 61b and the upper frame 32 of the frame 3, The upper link 62a and the lower link 62b are respectively provided on two sides. The upper link 62a is rotatably supported by the bearing member 621 and the link connecting member 63 at predetermined positions of the upper frame 32, and the lower link 62b is a pressing member. The bearing members 61a3 and 61b3 and the link connecting member 63 at the center of 61a (61b) are rotatably supported. Therefore, the lateral movement of the link connecting member 63 (63a, 63b) is converted into the vertical movement of the pressing members 61a, 61b.

  A handle support member 34 is provided below the central portion of the upper frame 32 of the frame 3, and a handle shaft 641 of the circular handle 64 is rotatably supported. The handle 64 is opposite to the side where the mat 1 is gripped. It is attached to the outside at a position that is easy for operators to operate. The handle shaft 641 in the frame 3 is provided with a pair of rotating arms 642a and 642b. The distal end portion 643 of the rotating arms 642a and 642b and the central portion 631 of the link connecting member 63 are connected to the connecting rods 65a and 65b. The connection rods 65a and 65b and the tip 643 and the engagement between the connection rods 65a and 65b and the central portion 631 are rotatable, and the center of the connection rods 65a and 65b is adjusted to adjust the length. A member 651 (turn buckle) is provided.

  Since the tightening mechanism 6 is a mechanism as described above, in FIG. 7, one handle 64 at the center of the side portion of the frame 3 is rotated by a quarter to move the respective connecting members 63a and 63b left and right. Thus, the mat between the upper gripping member and the lower gripping member can be gripped or released by moving the pair of pressing members 61a and 61b up and down.

Next, as shown in FIG. 6 with the two construction devices described above, a connecting mechanism that combines the two construction devices while sandwiching both end portions X of the mat 1 will be described.
A connecting column connecting member 7 is provided on the upper part 32 of the upper frame 32 of the frame 3 of the construction apparatus 2 (2A, 2B). The connecting column connecting member 7 is for attaching a pair of construction devices 2A and 2B to the connecting column 8 so as to correspond to both end portions X of the mat 1, and the length also corresponds to the length 6m of the mat 1.
As shown in FIG. 8 excluding the upper gripping member 5 and the tightening mechanism 6, the connecting column 8 is provided with rails 81 a and 81 b serving as beams on both sides of the connecting column 8. Pin fixing members 82a and 82b having a plurality of fitting grooves 83 are provided.
On the other hand, the connecting column connecting member 7 of the construction apparatus 2 is provided with a pair of wheels 71a and 71b that can move on the rail 81, and is fitted into a desired fitting groove 83 that matches the length of the mat 1 and the like. A detachable rotation shaft 72 is provided, and when the rotation shaft 72 is set, the construction device 2 is moved on the rail 81 of the connecting column 8 by the wheels 71a and 71b and fitted in a desired fitting groove 83. The rotating shaft 72 is inserted into the fitting holes 73a and 73b and the fitting groove 83 of the connecting column connecting member 7 at the position where the fitting is made. Therefore, the construction apparatus 2 is supported so as to be swingable left and right at the position of the connecting column 8 (dotted line R in FIG. 8).

  Further, the connecting column connecting member 7 has a detachable fitting hole 74a, in which the side frame 33 of the frame 3 of the construction apparatus 2 and the connecting column 8 are fixed at a right angle with respect to the bottom surface of the connecting column 8. 74b and a fixed shaft 75 are provided so that the connecting column connecting member 7 and the two construction devices 2A and 2B can be placed on a flat ground in a stable shape during construction work or when the construction work is interrupted. That is, when the fixed shaft 75 is removed, the frame 3 can be rotated and the mat 1 can be suspended without difficulty, and when the rotating shaft 75 is removed, the construction devices 2A and 2B are connected to the wheels 71a, 71b makes it possible to easily move the connecting column 8 on the rail 81, and it becomes easy to install the connecting column 8 at a predetermined position and to remove it from the connecting column 8.

  Further, a plurality of crane suspension portions 84 and fork lift fork fitting portions 85 are provided in the substantially central portion of the connecting column 8 to facilitate handling of the construction apparatus between the crane and the fork of the fork lift. The fork fitting portion 85 provided on the lower side of the connecting column 8 is supported by a support body 851 having a height almost the same as that of the side frame 33 of the frame 3 and the upper fork fitting portion 85a immediately below the connecting column 8. If the forklift does not move sufficiently with the forklift, the height of the forklift is increased using the lower fork fitting part 85b. When the construction work is interrupted, the lower fork fitting portion 85b can be placed on a flat ground with two construction devices 2A and 2B in a more stable shape.

  Of course, the present invention is not limited to the above-described embodiment as long as the features of the present invention are not impaired.

FIG. 1A is a side view of a conventional mat construction apparatus with a concrete block assembly, and FIG. 1B is an enlarged cross-sectional view of the mat tightening mechanism b. It is a top view of the mat with a concrete block aggregate used for the construction apparatus of the Example of this invention. It is a top view explaining the pseudo stone block used for the mat with the concrete block aggregate of FIG. FIG. 3 is an explanatory diagram for explaining a joined state of two mats in the mat with a concrete block assembly in FIG. 2. It is a perspective view which shows the state which constructed the mat with the concrete block aggregate | assembly of FIG. 2 on the revetment by a construction apparatus. It is a perspective view which shows the state which attaches the construction apparatus of the Example of this invention to a forklift, and constructs a mat with a concrete block aggregate. It is the top view which looked at the construction apparatus of the Example of this invention from the side. It is the front view which attached one side of the construction apparatus of the Example of this invention to the connection pillar. FIG. 8 is an enlarged cross-sectional view of the lower gripping member 4 and the upper gripping member 5 in FIG. 7. FIG. 8 is an exploded explanatory view for explaining a coupling mechanism for combining construction apparatuses, excluding the upper gripping member 5 and the tightening mechanism 6 in FIG. 7.

Explanation of symbols

X ... Matte stone block does not exist, Y ... Revetment,
Z ... Forklift or crane 1 (1A, 1B, 1C, 1D) ... Mat with pseudo stone block assembly,
11 (11A, 11B, 11C, 11D) ... Pseudo stone block,
12A, 12B, 12C, 12D ... Slope, 13A, 13B, 13C, 13D ... Pseudostone,
14A, 14B ... Trapezoid, 15A, 15B ... Trapezoid,
2, 2A, 2B ... Construction equipment,
3 ... Frame, 31 ... Bottom frame, 32 ... Upper frame
33a, 33b ... side frame, 34 ... handle support member,
4 ... lower gripping member, 41 ... square, 42 ... isosceles triangle, 42a, 42b ... slope,
43 ... vertex, 44 ... expanded metal 5 ... upper gripping member, 51a, 51b ... slope, 52 ... isosceles triangle,
6 ... Tightening mechanism, 61a, 61b ... Pressing member, 61a1,61a2,61b1,61b2 ... Pressing adjustment member,
611 ... Adjustment screw, 612 ... Fixing nut, 61a3, 61b3 ... Bearing member,
62a ... upper link, 62b ... lower link, 621 ... bearing member,
63 (63a, 63b) ... link connecting member, 631 ... center portion, 64 ... handle, 641 ... handle shaft,
642a, 642b ... rotating arm, 643 ... tip, 65a, 65b ... connecting rod,
651 ... Adjustment member (turn buckle),
7 ... Connecting pillar connecting member, 71a, 71b ... wheel, 72 ... rotating shaft, 74a, 74b ... fitting hole,
75: Fixed shaft 8: Connecting column, 81a, 81b: Rail (beam), 82a, 82b: Pin fixing member, 83: Fitting groove,
84 ... Crane suspension, 85 ... Fork fitting, 85a ... Upper fork fitting,
85b ... lower fork fitting part, 851 ... support,

Claims (3)

It consists of a frame, a lower gripping member provided in the frame, and an upper gripping member. The ends of the mat with a concrete block or natural stone aggregate are sandwiched between the lower gripping member and the upper gripping member to lift these members. In construction equipment,
The lower holding member is fixed to the bottom of the frame of the construction apparatus and has a length corresponding to the width of the mat. Expanded metal is fixed on the two front and back slopes,
The upper gripping member has an umbrella shape sandwiching a mat end composed of two front and rear slopes so as to cover the two slopes of the lower gripping member, and a clamping mechanism that moves up and down on the upper part of the upper gripping member Connected to
The tightening mechanism is provided with a pair of pressing members having a plurality of pressing adjusting members on the left and right sides of the upper gripping member, and two links are provided between the pair of pressing members and the upper frame of the frame, The links on the two sides are connected by connecting members, and each connecting member is moved left and right by rotating one handle, thereby moving the pair of pressing members up and down between the upper gripping member and the lower gripping member. A construction apparatus for a mat with a concrete block or a natural stone aggregate characterized by gripping or releasing the mat. It is a construction apparatus of the mat | matte with the aggregate of the concrete block or natural stone of Claim 1, Comprising: In order to respond | correspond to the both ends of a mat by providing a connection pillar connection member in the upper part of the upper frame of the said frame of a construction apparatus. In what deployed the connecting pillar to attach a pair of construction equipment,
Rails are provided on both sides of the connecting column, and a pin fixing member having a plurality of fitting grooves is provided on the upper surface of the connecting column,
The connecting column connecting member is provided with a pair of wheels that can move on the rail, a detachable rotating shaft that fits in the desired fitting groove, and a construction device that is connected to the bottom surface of the connecting column. A detachable fixed shaft is provided so that the side frame of the frame and the connecting column are fixed at a right angle. When the fixed shaft is removed, the frame can be rotated, and the rotating shaft is removed. Is a construction apparatus for mats with aggregates of concrete blocks or natural stone, characterized in that they can be moved on the rails of the connecting columns by wheels. A construction apparatus for a mat with a concrete block or a natural stone aggregate according to claim 2, wherein a fork fitting part of a forklift and a crane hanging part are provided in a substantially central part of the connecting pillar. Construction equipment for mats with concrete blocks or natural stone aggregates.

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