JP2017053155A - Side ditch construction jig - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a side ditch construction jig with a simple configuration that enables a worker to construct (arrange or set) a new side ditch safely without injuring a finger, etc., adjacent to an already constructed (arranged and set) side ditch.SOLUTION: A side ditch construction jig is a jig for constructing a side ditch, and includes: a laterally long main member having flange parts at both edges and arranged on a top surface of a side ditch to cross in a width direction; a guide member inclined to spread toward a distal end; and an inclination preventing member connected to the main member and/or the guide member.SELECTED DRAWING: Figure 1

Description

The present invention is a jig for constructing a side groove, and although it has a simple configuration in detail, a new side groove is constructed (arrangement, installation) at the end of a side groove that has already been constructed (arrangement, installation). The present invention relates to a side groove construction jig that allows an operator to safely perform construction (placement, installation) without causing an accident such as finger stuffing.
In addition, the side gutter construction that can perform the gutter construction (placement, installation) work, which had previously required skillful cooperation between the crane operator and the guidance worker, even if an inexperienced worker is safe and accurate. This relates to a jig for use.
Furthermore, the present invention relates to a side groove construction jig that can save labor in construction (arrangement, installation) of side grooves, such as reduction of work personnel.

  As shown in FIG. 10, a guide worker is positioned on or near a side groove where construction (placement, installation) has already been completed, as shown in FIG. The construction method (placement, installation) of a new gutter lifted by a crane or the like is gradually moved to a predetermined position by cooperation between a crane worker and a guidance worker and has been a general method. ing.

However, the construction (arrangement, installation) of the new gutter must be performed (arrangement, installation) so that there is no gap or gap with the side groove that has already been completed (arrangement, installation). Is a task that requires precision in millimeters. In addition, some heavy gutters can exceed 1t, and even light ones can cost several tens of kilograms, which may cause accidents such as finger stuffing, broken bones, and bruises during construction (placement and installation) work. It is dangerous work.
Therefore, in order to perform the construction (arrangement and installation) of the gutter, the crane operator and the guidance operator must have high skill and abundant experience.
Therefore, there has been a demand to be able to perform the construction (arrangement, installation) of the side groove 1) safely, 2) accurately, 3) without requiring a high skill.

  Here, in the construction (arrangement, installation) of concrete pillars, various jigs (guide members) for guiding a newly constructed pillar member to the construction position have been developed (see Patent Documents 1 to 3).

JP-A-58-102285 JP 7-317090 A JP-A-8-13608

Specifically, in the jig described in Patent Document 1, first, a mold (A) formed by two frames (2) is installed on a post-finished column, and then spreads upward. Fit the guide (4) inclined to the formwork (A), and finally guide the new pillar lifted by a crane or the like to the small edge of the completed pillar using the inclination of the guide (4) It is intended to perform the construction.
In addition, the jigs described in Patent Documents 2 and 3 fix a guide that is inclined so as to expand upward with a bolt or the like to which a construction has been completed and a new pillar that is then lifted by a crane or the like. Construction is carried out by guiding and descending to the small edge of the pillar where construction has been completed using the inclination of the guide.

  However, each of the jigs described in Patent Documents 1 to 3 has a structure in which a new concrete column is prevented from being displaced in four directions (front and rear, left and right) and guided to the small facet of the completed column. Moreover, the jig | tool of patent documents 1-3 is used when dropping a new concrete pillar from the upper direction toward the small edge surface of the pillar where construction was completed.

  Therefore, when the jigs described in Patent Documents 1 to 3 having only the guide and the frame are used for the side groove construction (placement and installation) work, the new side groove lifted by the crane hits the guide. In this case, the guide and the frame body may be detached from the side groove due to the load of the side groove, or may be displaced, which causes a problem that an accurate construction (arrangement, installation) work cannot be performed.

  As a result of intensive studies, the inventors of the present application have developed a side groove construction jig that can construct (place and place) a new side groove safely and accurately while having a simple configuration. .

The present invention has been made in view of the above-described conventional problems, and a new gutter is installed (arranged) at the tip of a gutter that has already been completed (arrangement, installation) while having a simple configuration. The purpose of the present invention is to provide a gutter for a side groove construction that allows an operator to safely perform construction (arrangement, installation) without causing an accident such as finger stuffing.
In addition, it is safe and accurate even for inexperienced workers to construct (place and install) gutters, which previously required a high level of skill and abundant experience for crane workers and guide workers. The purpose is to provide a jig for gutter construction.
Further, it is an object of the present invention to provide a side groove construction jig that can save labor in the construction (arrangement and installation) of the side groove, such as reducing the number of workers.

  In order to achieve the above object, a side groove construction jig according to claim 1 of the present invention is a jig for constructing a side groove, and is arranged on the upper surface of the side groove so as to cross the width direction of the side groove. A horizontally long main member having flanges at both ends, a guide member connected to the main member and inclined so as to expand toward the tip, and a tilt prevention member connected to the main member and / or the guide member It is characterized by providing.

  The jig for gutter construction according to claim 2 of the present invention is characterized in that the guide member protrudes upward and / or forward from both ends of the main member.

  The jig for gutter construction according to claim 3 of the present invention is characterized in that the guide member projects from the front end portion of the main member in a direction opposite to the gutter construction direction.

  In the side groove construction jig according to claim 4 of the present invention, the tilt prevention member is provided on the upper surface of the side groove so as to extend in a direction opposite to the side groove construction direction, and a locking portion is provided at the tip portion. It is characterized by being provided.

  In the side groove construction jig according to claim 5 of the present invention, the tilt preventing member is extended in the height direction of the side groove in the vicinity of both ends of the side groove, and a leg portion is provided at the lower end portion. It is what is characterized by the above.

  The jig for gutter construction according to claim 6 of the present invention is characterized in that an adjustment means for adjusting the width between the flange portions is provided in the main member.

  The jig for gutter construction according to claim 7 of the present invention is characterized in that an adjustment means for adjusting the extension length is provided on the tilt prevention member.

According to the gutter construction jig according to the present invention, a U-shaped horizontally long main member provided with flanges projecting downward at both ends, and a guide inclined so as to expand toward the tip. By providing the member and the tilt prevention member, it is possible to safely perform the construction (arrangement, installation) work of the side groove. In other words, it is possible to eliminate the situation where the worker has to work constantly near the side groove that the guidance worker constructs as before, and it is possible to construct the side groove safely without causing an accident such as finger jamming. .
In addition, since the side groove can be brought into contact with the guide member and the side groove can be constructed (arranged and placed) by utilizing the inclination of the guide member, skilled cooperation between the crane operator and the guidance worker is required. Unlike conventional construction (arrangement, laying) work as described above, even a worker with a low skill level can safely and accurately construct a gutter.
Furthermore, labor saving of the construction (arrangement, installation) work of the side gutters such as reduction of workers can be achieved.

  According to the side groove construction jig according to claims 2 and 3 of the present invention, the guide member is provided at a specific position of the main member, thereby effectively guiding the side groove at a position where the side groove is to be constructed (arranged and placed). Can do. In particular, the side grooves can be constructed safely and accurately even in location conditions where the side grooves cannot be lowered from above by projecting forward at both ends or projecting at the front end of the main member ( Arrangement, deferment).

  According to the side groove construction jig according to claims 4 and 5 of the present invention, the side wall construction jig can be applied to the side groove even when the side groove hits the guide member by making the tilt prevention member a specific shape ( It is possible to more effectively prevent tilting in the direction of placement and installation.

  According to the side groove construction jig according to claim 6 of the present invention, by providing the main member with the adjusting means for adjusting the width between the flange portions, it is possible to cope with side grooves having different widths.

  According to the side groove construction jig according to claim 7 of the present invention, it is possible to cope with side grooves having different lengths to the opening by providing an adjustment means for adjusting the extension length of the tilt prevention member. Can do.

It is a schematic diagram which shows 1st embodiment of the jig for gutter construction which concerns on this invention. It is the schematic diagram (FIG.2 (a)) which shows 2nd embodiment of the jig for gutter construction concerning this invention, and the figure (FIG.2 (b)) which shows a use aspect. It is the schematic diagram (FIG.3 (a)) which shows 3rd embodiment of the jig for gutter construction concerning this invention, and the figure (FIG.3 (b)) which shows a use aspect. It is the schematic diagram (FIG. 4 (a)) which shows 4th embodiment of the jig for gutter construction concerning this invention, and the figure (FIG.4 (b)) which shows a use aspect. Schematic diagram (figure 5 (a)) which shows 5th embodiment of the jig for gutter construction concerning this invention (figure 5 (a)), the figure (figure 5 (b)) which shows use, cross section AA '(figure 5 ( c)) and BB 'sectional view (FIG. 5D). It is a schematic diagram which shows the state which set the jig for side groove construction of FIG. 1 to the side groove. It is a schematic diagram which shows the state which is performing the construction (arrangement | positioning, installation) operation | work of a side groove using the jig for side groove construction of FIG. It is a schematic diagram which shows the state which the construction (arrangement | positioning, installation) operation | work of the side groove using the jig for side groove construction of FIG. 1 was complete | finished. It is the schematic diagram which looked at the state of Drawing 8 from another direction. It is a schematic diagram which shows the construction (arrangement | positioning, installation) operation | work of the conventional gutter.

Embodiments of the present invention will be described with reference to the drawings. In addition, embodiment described below is only an example which actualized this invention, and does not limit the technical scope of this invention FIG. 1: shows 1st embodiment of the jig for gutter construction concerning this invention. FIG. 2 (a) is a schematic diagram showing a second embodiment of a side groove construction jig according to the present invention, and FIG. 3 (a) is a schematic view of a side groove construction jig according to the present invention. FIG. 4 (a) is a schematic view showing a fourth embodiment of a side groove construction jig according to the present invention, and FIG. 5 (a) is a side groove according to the present invention. It is a schematic diagram which shows 5th embodiment of the jig for construction.

First, the basic configuration of the gutter for jig 1 according to the present invention will be described with reference to FIG.
As shown in FIG. 1, the side groove construction jig 1 according to the present invention includes a horizontally long main member 2, a guide member 3 connected to the main member 2, and a tilt connected to the main member 2 and / or the guide member 3. The prevention member 4 is configured as a main part. In addition, about the tilt prevention member 4, it has the form connected with the main member 2 in the 1st-4th embodiment shown to FIGS. 1-4, In the 5th embodiment shown in FIG. It is a connected (integrated) form.
Next, each component will be described for each embodiment.

(First embodiment)
As shown in FIG. 1, the side groove construction jig 1 a according to the first embodiment is a T-shaped structure composed of a main member 2 and a tilt prevention member 4, and the guide member 3 and the tilt prevention. The member 4 is connected to the main member 2.

(Main member)
The main member 2 is used to prevent the side groove construction jig 1 from shifting in the width direction of the side groove when a new side groove is constructed (arranged and placed) using the side groove construction jig 1 according to the present invention. Thus, the side groove construction jig 1 according to the present invention serves as a so-called “backbone”.
The main member 2 has a horizontally long plate shape, and has a U-shaped structure including flange portions 6 projecting downward at both end portions 5. The shape of the main member 2 is not particularly limited as long as it is a shape that crosses the width direction of the side groove, and various shapes such as a rod shape can be adopted.
And, as will be described later, the main member 2 crosses the width direction of the side groove when using the side groove construction jig 1 (specifically, when placing on the upper surface of the side groove that has already been completed), And the flange part 6 will be located so that the side surface of a side groove may be pinched | interposed (refer FIG. 6 etc.).
In addition to the fact that the flange portion 6 of the first embodiment protrudes downward at both end portions 5 of the main member 2 as shown in FIG. 1, a new gutter is constructed (arranged and placed). ) It has a structure that protrudes in the direction. Therefore, the overhanging portion 7 of the flange portion 6 of the first embodiment also functions as the guide member 3 during use, as will be described later.

Moreover, the main member 2 can also be provided with the adjustment means 8 for adjusting the width | variety (distance) between the flange parts 6a and 6b according to the width | variety of the side groove to construct, as shown in FIG.
The form of the adjusting means is not particularly limited, and various means such as a slide structure composed of a rail member and a slide member, and a telescopic structure such as a pantograph can be used. Among them, as shown in FIG. 1, the main member 2a connected with the guide member 3 and the main member 2 connected with the anti-tilt member 4 as shown in FIG. 2b, the main member 2a is provided with projections 9 in which male screws (not shown) are processed, and the main member 2b is provided with a plurality of through holes 10 through which the projections 9 pass, so that the projections 9 are appropriately provided. It is preferable to employ a structure in which the width (distance) between the flange portions 6a and 6b is adjusted by connecting with the bolt 11 after passing through the selected through hole 10.

  The material of the main member 2 is not particularly limited, but the main member 2 is deformed even when a new side groove hits the guide member 3 during use (when a new side groove is guided to the construction position). It is preferable to use a metal material because it is necessary to prevent the side groove construction jig 1 from shifting in the width direction of the side groove.

(Guide member)
The guide member 3 is for guiding a new gutter to a construction (arrangement, installation) position, and has a structure inclined so as to expand toward the tip.
In addition, the guide member 3 of 1st embodiment shown in FIG. 1 is connected with the both ends 5 and the flange part 6 of the main member 2, and has the structure installed toward the upper direction. Due to this structure, when a new gutter is moved by a crane or the like, the lower surface or side surface of the new gutter descends against the guide member 3 and is guided to the construction (placement, installation) position. It will go.

  In addition, as a shape of inclination, it is not limited to linear inclination like the guide member 3 shown in FIG. 1, If it is expanding toward the front-end | tip, J shape, reverse J shape, Various shapes such as a curved slope such as an arc or a slope formed by combining a straight line and a curved line can be adopted.

  It is necessary to provide at least one guide member 3, but it is preferable to provide a plurality of guide grooves because a side groove can be guided more safely. Among them, a pair or more are provided at both ends of the main member 2. More preferably.

  The material of the guide member 3 is not particularly limited, but the guide member 3 is deformed even when a new side groove hits the guide member 3 during use (when a new side groove is guided to the construction position). It is preferable to use a metal material because a new side groove must be induced.

(Tilt prevention member)
When the tilt prevention member 4 guides the new side groove to the construction (arrangement, placement) position, even when the new side groove comes into contact with the guide member 3, the side groove construction jig 1 floats with the contact point as a fulcrum, This is to prevent the body from falling down, and has a structure connected to the main member 2.

In addition, the inclination prevention member 4 of 1st embodiment shown in FIG. 1 becomes prismatic shape, and has a structure connected with the center part of the main member 2 in T shape. Moreover, it has the structure connected so that it may extend toward the direction opposite to a gutter construction direction. Furthermore, it has the structure where the latching | locking part 12 for latching to the opening provided in the upper surface of the side groove where construction was already completed is provided in the front-end | tip part.
Due to this structure, when the new side groove abuts against the guide member 3 during use described later (specifically, when a new side groove is guided to the construction (placement, installation) position) However, when the locking portion 12 locks the opening, the side groove construction jig 1 can be prevented from floating or falling over with the contact point as a fulcrum.

  Although not shown in FIG. 1, an adjustment means for adjusting the length of the tilt prevention member 4 may be provided in the tilt prevention member 4 in order to securely latch the locking portion 12 to the opening 13. .

  Although it is necessary to provide at least one tilt prevention member 4, it is not particularly limited, and a plurality of tilt prevention members 4 may be provided. Also, the connection position with respect to the main member 2 is not particularly limited as long as it extends in the direction opposite to the side groove construction direction, and can be connected to the end of the main member 2.

  The material of the tilt prevention member 4 is not particularly limited, but the guide is used when the new side groove hits the guide member 3 during use (when the new side groove is guided to the construction (arrangement, installation) position). It is preferable to use a metal material because the load received by the member 3 and the main member 2 is received and the side groove construction jig 1 must be prevented from floating or falling over the contact point as a fulcrum.

(Second embodiment)
As shown in FIG. 2, the side groove construction jig 1 a in the first embodiment can be installed with a pair of left and right pins 15 facing downward on the front end portion 14 of the main member 2 (second Embodiment).
Here, some side grooves are provided with joints 16 at the front and rear ends of the side grooves, and when constructing the side grooves, a new side groove is arranged and installed at the end of the side groove that has already been constructed, After that, there is one that completes the construction by filling the joint 16 with mortar and stopping the water. The distance between the joints 16 is substantially determined by the type of the side groove.
Therefore, the side groove construction jig 1b according to the second embodiment has a structure in which the pin 15 is installed downward on the front end portion 14 of the main member 2 so as to fit into the joint 16. And since it becomes such a structure, as shown in FIG.2 (b), construction is already complete | finished by inserting the pin 15 in the joint 16 of the side groove which has already completed construction in use. The side groove construction jig 1b according to the second embodiment can be easily arranged at a desired position on the upper surface of the side groove.

  Moreover, in the side groove construction jig 1b according to the second embodiment, the pin 15 also serves as a tilt prevention member. In other words, the pin 15 becomes an obstacle even if the lower surface or side surface of the new side groove abuts against the guide member 3 during use and the side groove construction jig 1b tries to float with the contact point as a fulcrum. It is possible to prevent the construction jig 1b from floating or falling over with the contact point as a fulcrum. Therefore, for the side groove construction jig 1b according to the second embodiment, the tilt prevention member 4 (including the locking portion 12) in the side groove construction jig 1a according to the first embodiment can be omitted. .

  The shape of the pin 15 is not particularly limited as long as it fits into the joint 16, and various rod shapes such as a columnar shape and a prismatic shape can be adopted.

  As for the number of pins 15, when provided as a tilt prevention member, it is preferable to provide a pair of left and right as shown in FIG. Can be installed in only one place.

(Third embodiment)
The side groove construction jig 1c according to the third embodiment is the same as the side groove construction jig 1a according to the first embodiment with respect to the basic structure, but as shown in FIG. Further, the guide member 17 has a different structure in that it is protruded (connected).
And since the jig 1c for side groove construction which concerns on 3rd embodiment becomes such a structure, even under the location conditions which cannot take down a new side groove from upper direction, a side groove is laterally ( Specifically, by moving it in the direction of the arrow in FIG. 3B, the side grooves can be constructed (arranged and placed) safely and accurately.

  In addition, about the inclination shape of the guide member 17, it is not specifically limited like the guide member 3 of 1st embodiment, Various shapes can be employ | adopted.

  Moreover, although it does not specifically limit about a material, It is preferable to use a metal similarly to the guide member 3 of 1st embodiment.

(Fourth embodiment)
The side groove construction jig 1d according to the fourth embodiment is the same as the side groove construction jig 1a according to the first embodiment in terms of the basic structure, but as shown in FIG. 14 is further different in that a guide member 18 is installed upward. Further, the guide member 18 has a structure in which an inclination is provided so as to project in a direction opposite to the side groove construction direction.
And since the jig 1d for side groove construction which concerns on 4th embodiment becomes such a structure, when lowering a new side groove from upper direction, the inclination of both the guide member 3 and the guide member 18 is utilized. Thus, the side groove can be constructed (arranged and set) more safely and accurately.
Further, even in a location condition where the new gutter cannot be lowered from the upper direction as in the third embodiment, the new gutter is moved in the lateral direction (specifically, the arrow direction in FIG. 4). First, the position in the front-rear direction is guided (corrected) using the inclination of the guide member 18, and then the position in the lateral direction is guided (corrected) using the inclination of the guide member 3. The side groove can be constructed (placed and placed) more safely and accurately than the side groove construction jig 1d according to the embodiment.
Furthermore, when the guide member 17 used in the third embodiment is used in combination, the side groove can be safely and accurately constructed (arranged and set) even when the new side groove is moved from any direction such as upward, forward, and oblique directions. Will be able to.

  In addition, about the inclination shape of the guide member 18, it is not specifically limited like the guide member 3 of 1st embodiment, Various shapes can be employ | adopted.

  Moreover, although it does not specifically limit about a material, It is preferable to use a metal similarly to the guide member 3 of 1st embodiment.

(Fifth embodiment)
As shown in FIGS. 5A, 5 </ b> B, 5 </ b> C, and 5 </ b> D, the lateral groove construction jig 1 e according to the fifth embodiment has a U-shape by the main member 2 and the tilt prevention member 19. The tilting prevention member 19 is connected to the main member 2 and the flange portion 6 of the main member 2.
Further, the guide member 20 is connected to (integrated with) the tilt prevention member 19.

(Main member)
The main member 2 in the fifth embodiment is the same as the main member 2 in the first embodiment, has a horizontally long plate shape, and has flanges projecting downward at both end portions 5. It has a U-shaped structure with a portion 6. Moreover, an adjustment means can also be provided like the main member 2 of 1st embodiment.
In addition, although it does not specifically limit about a material, It is preferable to use a metal similarly to the main member 2 of 1st embodiment.

(Guide member)
The guide member 20 in the fifth embodiment is the same in shape as the main member 2 of the first embodiment, and is connected to both end portions 5 and the flange portion 6 of the main member 2 and directed upward. It has an installed structure. Further, as described above, the guide member 20 has a structure connected (integrated) to the tilt prevention member 19.

  In addition, although it does not specifically limit about the material of the guide member 20, It is preferable to use a metal similarly to the guide member 3 of 1st embodiment.

(Tilt prevention member)
Unlike the tilt prevention member 4 of the first embodiment, the tilt prevention member 19 in the fifth embodiment is connected to both end portions 5 and the flange portion 6 of the main member 2 and is downward in the height direction of the side groove. It is the structure extended toward Specifically, it has a vertically long plate shape, is connected to the positions in front of both end portions 5 and the flange portion 6 of the main member 2, and extends downward in the height direction of the side groove. It has become. Further, a plate-like leg portion 22 projecting outward is provided at the lower end portion 21 of the tilt preventing member 19. Furthermore, as described above, the tilt prevention member 19 and the guide member 20 are integrated. That is, the tilt prevention member 19 in the fifth embodiment has a structure in which the guide member 20 is formed on the upper portion.
As described above, the side groove construction jig 1e according to the fifth embodiment has a structure in which the tilt prevention member 19 in which the plate-like leg portion 22 is provided at the lower end portion 21 is formed below the guide member 20. Therefore, even when the lower surface or side surface of a new side groove abuts against the guide member 20 during use shown in FIG. Accordingly, the side groove construction jig 1e can be prevented from floating or falling over with the contact point as a fulcrum.
In addition, the tilt prevention member 19 in the fifth embodiment also serves as a flange portion (specifically, functions as a guide member as described in paragraph [0027]) when used, as will be described later. become.

  In addition, about the shape of the inclination prevention member 19 in 5th embodiment, if it is the shape extended toward the downward direction in the height direction of a side groove, it will not specifically limit, Various shapes, such as a rod shape, are employ | adopted. can do.

  Moreover, although it does not specifically limit about a material, It is preferable to use a metal similarly to the guide member 3 of 1st embodiment.

  Next, the operation and action of the side groove construction jig 1 configured as described above will be described.

(First and second embodiments)
First, the operation and action of the side groove construction jig 1 (1a, 1b) according to the first and second embodiments will be described.
FIG. 6 is a schematic diagram showing a state in which the side groove construction jig of FIG. 1 is set in the side groove, and FIG. 7 is a side groove construction (arrangement, installation) operation using the side groove construction jig of FIG. FIG. 8 is a schematic view showing a state in which the side groove construction (placement, installation) work using the side groove construction jig of FIG. 1 is completed, and FIG. 9 is a state of FIG. It is the schematic diagram which looked at from another direction.
Moreover, FIG.2 (b) is a figure which shows the usage condition of 2nd embodiment of the jig for gutter construction which concerns on this invention.

First, the holding portion 12 of the side groove construction jig 1 (1a, 1b) according to the first and second embodiments is held, and the locking portion 12 of the tilt prevention member 4 is lifted so as to lift the front (main member 2). It is hooked to the opening 13 of the side groove S1 that has already been completed.
Next, while the side groove construction jig 1 is tilted forward in that state, the flange portion 6 of the main member 2 is in a state of sandwiching the side surface of the side groove (the state shown in FIG. 2B and FIG. 6). The side groove construction jig 1 is arranged at the position of the upper surface of the side groove S1 that has already been constructed. At that time, when the width (distance) between the flange portions 6a and 6b is narrower or too wide than the width of the side groove to be constructed, the side groove to construct the width between the flange portions 6a and 6b using the adjusting means 8. The locking portion 12 is formed in the opening 13 by adjusting the length of the tilt prevention member 4 using an adjusting means (not shown) provided on the tilt prevention member 4 as necessary. Lock.

Next, as shown in FIG. 7, the new gutter S2 lifted by a crane or the like is slowly lowered from above. Then, as it descends, the lower surface and side surfaces of the side groove come into contact with the guide member 3 (a state indicated by a one-dot broken line in FIG. 7), and the shift in the left-right direction is eliminated by the inclination of the guide member 3.
Next, the new side groove S <b> 2, which has been displaced in the left-right direction by the guide member 3, is further lowered. Then, the new side groove S2 comes into contact with the flange portion 6 located at the lower portion of the guide member 3 (in the state of the dotted line in FIG. 7), and is guided to a desired position by the flange portion 6.
Next, fine adjustment is performed in a state where the new side groove S2 is lowered to the vicinity of the ground, so that the new side groove S2 is brought into contact with the side groove S1 that has already been completed as shown in FIGS.
Finally, the side groove construction jig 1 is removed to complete the construction (placement and installation) work of a new side groove S2.

Accordingly, as shown in FIG. 10, unlike the conventional work in which the guidance worker must constantly perform in cooperation with the crane worker by riding on the side groove where the construction has already been completed, as shown in FIG. Even if it is a simple structure, the operator can perform construction (arrangement and installation) of a new gutter safely and accurately without causing an accident such as a finger jam.
In addition, if the crane operator gets used to it, after arranging the side groove construction jig according to the present invention, it is also possible to perform a new side groove construction (placement, installation) work alone without requiring a guidance worker. become.

(Operation and action of the third embodiment)
Next, the operation and action of the side groove construction jig 1c according to the third embodiment will be described. FIG.3 (b) is a figure which shows the usage condition of 3rd embodiment of the jig for gutter construction concerning this invention.

First, the side groove having the handle 23 of the side groove construction jig 1c according to the third embodiment and having already finished construction of the locking portion 12 of the tilt prevention member 4 so as to lift the front (main member 2). Hang on the opening 13 of S1.
Next, for side groove construction, the flange portion 6 of the main member 2 sandwiches the side surface of the side groove (the state shown in FIG. 3B) while the side groove construction jig 1 is tilted forward in this state. The jig 1 is arranged at the position of the upper surface of the side groove S1 where the construction has already been completed. At that time, when the width (distance) between the flange portions 6a and 6b is narrower or too wide than the width of the side groove to be constructed, the side groove to construct the width between the flange portions 6a and 6b using the adjusting means 8. The locking portion 12 is formed in the opening 13 by adjusting the length of the tilt prevention member 4 using an adjusting means (not shown) provided on the tilt prevention member 4 as necessary. Lock.

Next, in the side groove construction jig 1c according to the third embodiment, the new side groove S2 is moved from the substantially lateral direction (moved in the arrow direction in FIG. 3B). If it does so, the front surface of a side groove will contact the guide member 17 as it moves, and the shift | offset | difference of the left-right direction will be eliminated by the inclination of the guide member 17. FIG.
Next, the new side groove S <b> 2, which has been displaced in the left-right direction by the guide member 17, is further moved in the lateral direction. Then, the new side groove S <b> 2 hits the flange portion 6 connected to the guide member 17, and is guided to a desired position by the flange portion 6.
Next, a new side groove S2 is brought into contact with the side groove S1 that has already been completed by fine adjustment.
Finally, by removing the side groove construction jig 1c, the construction (arrangement, installation) work of a new side groove S2 is completed.

  Therefore, the side groove construction jig 1c according to the third embodiment is safe and accurate without causing an accident such as a finger jamming even in a location where the new side groove cannot be lowered from above. In addition, it is possible to perform construction (arrangement, installation) of a new gutter.

(Operation and action of the fourth embodiment)
Next, the operation and action of the side groove construction jig 1d according to the fourth embodiment will be described. FIG.4 (b) is a figure which shows the usage condition of 4th embodiment of the jig for gutter construction concerning this invention.

First, the side groove having the handle 23 of the side groove construction jig 1d according to the fourth embodiment and having already finished construction of the locking portion 12 of the tilt preventing member 4 so as to lift the front (main member 2). Hang on the opening 13 of S1.
Next, for the side groove construction, the flange portion 6 of the main member 2 sandwiches the side surface of the side groove (the state shown in FIG. 4B) while the side groove construction jig 1 is tilted forward in that state. The jig 1 is arranged at the position of the upper surface of the side groove S1 where the construction has already been completed. At that time, when the width (distance) between the flange portions 6a and 6b is narrower or too wide than the width of the side groove to be constructed, the side groove to construct the width between the flange portions 6a and 6b using the adjusting means 8. The locking portion 12 is formed in the opening 13 by adjusting the length of the tilt prevention member 4 using an adjusting means (not shown) provided on the tilt prevention member 4 as necessary. Lock.

Next, in the side groove construction jig 1d according to the fourth embodiment, the new side groove S2 is moved from the diagonally forward direction (moved in the arrow direction in FIG. 4B). If it does so, the front surface of a side groove will contact the guide member 18 as it moves, and the shift | offset | difference of the front-back direction will be eliminated by the inclination of the guide member 18. FIG.
Next, the new side groove S2, which has been displaced in the front-rear direction by the guide member 18, is moved downward, that is, lowered. Then, the new side groove S2 hits the guide member 3 (in some cases, the flange portion 6), and is guided to a desired position by the guide member 3 (or the flange portion 6).
Next, a new side groove S2 is brought into contact with the side groove S1 that has already been completed by fine adjustment.
Finally, by removing the side groove construction jig 1d, the construction (arrangement, installation) work of a new side groove S2 is completed.

Therefore, the side groove construction jig 1d according to the fourth embodiment uses the slopes of both the guide member 3 and the guide member 18 when lowering a new side groove from above, so that the side groove can be formed more safely and accurately. Construction (arrangement, deferment) can be performed.
In addition, even in a location where it is not possible to lower the new gutter from directly above, the operator can safely and accurately construct (place, install) the new gutter without causing an accident such as finger jamming. Will be able to do.

(Operation and Action of Fifth Embodiment)
Next, the side groove construction jig 1e according to the fifth embodiment will be described. FIG.5 (b) is a figure which shows the usage condition of 5th embodiment of the jig for gutter construction concerning this invention.

  First, the side groove construction jig 1 (1e) according to the fifth embodiment has the handle 23, and the flange portion 6 of the main member 2 is in a state of sandwiching the side surface of the side groove (the state shown in FIG. 5B). Thus, the side groove construction jig 1 is arranged at the position of the upper surface of the side groove S1 that has already been constructed. At that time, when the width (distance) between the flange portions 6a and 6b is narrower or wider than the width of the side groove to be constructed, the adjusting means (not shown) as in the first to fourth embodiments. The width between the flange portions 6a and 6b is adjusted according to the width of the side groove to be constructed.

Next, the new gutter S2 lifted by a crane or the like is slowly lowered from above. Then, as it descends, the lower surface and the side surface of the side groove come into contact with the guide member 20, and the shift in the left-right direction is eliminated by the inclination of the guide member 20.
Next, the new side groove S <b> 2, which has been displaced in the left-right direction by the guide member 20, is further lowered. As a result, the new side groove S2 comes into contact with the tilt prevention member 19 positioned below the guide member 20, and the tilt prevention member 19 serves as a flange portion (specifically, as a guide member as described in paragraph [0027]. By fulfilling the function, it is guided to a desired position.
Next, the new side groove S2 is brought into contact with the side groove S1 that has already been completed as shown in FIG. 5B by performing fine adjustment while the new side groove S2 is lowered to near the ground.
Finally, the side groove construction jig 1 is removed to complete the construction (placement and installation) work of a new side groove S2.

Therefore, even in the side groove construction jig 1e according to the fifth embodiment, the guidance worker must always ride on the side groove where the construction has already been completed and work with the crane worker during the work. Unlike conventional work that does not become necessary, the operator can perform construction (arrangement and installation) of a new gutter safely and accurately without causing an accident such as finger jamming, although the structure is simple.
In addition, if the crane operator gets used to it, after arranging the side groove construction jig according to the present invention, it is also possible to perform a new side groove construction (placement, installation) work alone without requiring a guidance worker. become.

  The side groove construction jig of the present invention can be used for side groove construction (arrangement, installation) work.

DESCRIPTION OF SYMBOLS 1 Side groove construction jig 1a Side groove construction jig 1b Side groove construction jig 1c Side groove construction jig 1d Side groove construction jig 1e Side groove construction jig 2 Main member 2a Main member 3b Main member 3 Guide member 4 Tilt Prevention member 5 Both ends 6 Flange 6a Flange 6b Flange 7 Overhang 8 Adjustment means 9 Protrusion 10 Through hole 11 Bolt 12 Locking portion 13 Opening 14 Front end 15 Pin 16 Joint 17 Guide member 18 Guide member 19 Prevention of tilting Member 20 Guide member 21 Lower end portion 22 Leg portion 23 Handle S1 Side groove (side groove for which construction has already been completed)
S2 gutter (new gutter)
P Guide worker

Claims (7)

A jig for constructing a gutter,
A horizontally long main member having flange portions at both ends, which is disposed on the upper surface of the side groove so as to cross the width direction of the side groove;
A guide member that is connected to the main member and is inclined so as to expand toward the tip;
The jig for gutter construction characterized by including the tilt prevention member connected with the main member and / or the guide member.
The guide member is
The side groove construction jig according to claim 1, wherein the jig is provided so as to project upward and / or forward from both ends of the main member.
The guide member is
The side groove construction jig according to claim 1 or 2, wherein the front member of the main member is protruded in a direction opposite to the side groove construction direction.
The tilt prevention member is
The upper surface of the side groove is extended toward a direction opposite to the side groove construction direction, and a locking portion is provided at the tip portion. The jig for gutter construction as described in any one of these.
The tilt prevention member is
5. The structure according to claim 1, wherein the side groove is extended in the vicinity of both ends in the height direction of the side groove, and a leg portion is provided at the lower end portion. A jig for gutter construction according to claim 1.
In the main member,
The side groove construction jig according to any one of claims 1 to 5, further comprising an adjusting means for adjusting a width between the flange portions.
In the tilt prevention member,
The side groove construction jig according to any one of claims 1 to 6, further comprising an adjusting means for adjusting the extended length.