JP2007083935A - Large concrete form moving truck - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a large concrete form moving truck capable of safely carrying a large concrete form, and being simply used. <P>SOLUTION: The moving truck is made by combining one or more independent upper units and one or more lower units. The upper unit is composed of a mounting form with a C-shaped cross section placed on an upper end portion of a large concrete form and covering the upper end portion of the form, a pair of upper and lower roller supporting plates protrusively provided on the outside portion of either one side of the mounting form and a wall surface roller journaled between the upper and lower roller supporting plates so as to roll. The lower unit is used for placing a lower end of the large concrete form, and composed of a holding form with an H-shaped cross section, a pair of upper and lower roller supporting plates protrusively provided on the outside portion of either one side of the holding frame, a plurality of wall surface rollers journaled between the upper and lower roller supporting plates so as to roll, and a plurality of moving rollers journaled in a lower side space portion of the holding form so as to roll while always contacting with a ground surface. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a large concrete used for accurately moving a short alley toward an installation position as a large-scale concrete formwork used in construction of concrete walls, columns, foundations, and the like for construction or civil engineering. The present invention relates to a carriage for moving a formwork.

  In this specification, the concrete formwork is not only a pair of standardized rectangular plate-like panels, but also metal fittings (separators etc.) that connect the panels, horizontal butter material disposed on the outside of the panel, It consists of many components, such as vertical flaps, struts to support the panel vertically, braces, and metal fittings that connect them.

  A large concrete formwork is formed at a production factory or construction site by using a panel assembly base and arranging a plurality of panels in parallel or vertically and horizontally and connecting them with horizontal butter and vertical butter materials. The large concrete formwork thus obtained is related to a short-distance movement cart that is first transported to the construction site, then moved to a predetermined position, and further used to move a short distance to the regular installation position. It is. In particular, the present invention relates to a moving carriage capable of moving this large concrete formwork safely and accurately in a narrow place such as in a tunnel and also in a narrow place adjacent to a wall surface. is there.

  Conventionally, as a device for moving a large concrete formwork to a predetermined place, there is a method of using a dedicated moving carriage, and Patent Document 1 describes a main roller and an auxiliary in a direction perpendicular to the rotation direction. A large concrete formwork moving carriage that can be moved in the vertical and horizontal directions by rollers is disclosed.

JP 2005-161962 A

  However, the cart described in Patent Document 1 conveys a large concrete formwork while leaning against a backrest portion provided on the cart (inclined state), and there is unevenness on the floor as in a work site. In a place where various kinds of dust are scattered and the surface is not flat, there is a possibility that the concrete formwork may be scraped from the carriage or fall down during transportation. Furthermore, since this conventional technology is a cart that moves while supporting a large concrete formwork in an inclined state, the cart itself is large and cannot be used in a narrow place. There was a problem that it could not be moved.

  Therefore, the object of the present invention is to allow a large concrete formwork to be moved safely and accurately at a work site, etc., and by using a small unitized carriage, it is well suited for various situations such as a narrow place. An object of the present invention is to provide a truck for moving a large concrete formwork that can be used.

The present invention was developed to overcome the above-described problems of the prior art, and the gist of the configuration is as follows:
A moving carriage for moving a large concrete formwork along a vertical wall facing the side face of the formwork. The carriage comprises a combination of one or more independent upper units and one or more lower units. ,
The upper unit is used by being placed on the upper end of a large concrete formwork, which has a U-shaped mounting frame that covers the upper end of the formwork, and protrudes on either outer side of the mounting frame. It comprises a pair of upper and lower roller support plates provided, and a plurality of wall rollers pivotally supported between the upper and lower roller support plates,
The lower unit is used by placing the lower end of the large concrete formwork on the unit, which is composed of a holding frame having an H-shaped cross section and a pair of upper and lower parts protruding from either one of the holding frames. The roller support plate, a plurality of wall rollers rotatably supported between the upper and lower roller support plates, and a lower space portion of the holding frame that is always rotatably supported in contact with the ground. A cart for moving a large concrete formwork comprising a plurality of moving rollers.

  In the present invention, the lengths of the upper unit and the lower unit are 200 to 500 mm, respectively, and the upper unit and the lower unit are arranged every 2 to 4 m at the upper end and the lower end of the large concrete formwork. The lower unit is preferably provided with a tow rope hooking loop metal fitting at at least one end thereof.

  The large concrete formwork moving cart of the present invention is characterized in that two independent carts (an upper unit and a lower unit) are used as an assembly. In particular, the large concrete formwork is placed on the lower unit. If it stands upright between the upper unit and a plurality of pairs of upper and lower units, it can be stably supported. In other words, there is unevenness in the ground such as the work site, and even in a narrow place, the large concrete formwork will not rub off from the carriage or fall over during transportation, and it will be safe and accurate to a predetermined position. Can be moved to. Furthermore, since the upper unit and the lower unit are each as small as 200 to 500 mm, they can be easily transported to a place where the cart itself is used. Furthermore, when the cart of the present invention is used, the upper unit and the lower unit are provided with a plurality of moving rollers that are axially supported so as to roll along the vertical wall or the ground. Therefore, a heavy object such as a large concrete mold can be easily moved manually.

Hereinafter, an embodiment of the present invention shown in the drawings will be described.
As shown in FIG. 1, the large concrete formwork cart 1 is a cart that uses an upper unit 2 and a lower unit 3 as a set. In this carriage, the large concrete mold P is placed on the plurality of lower units 3 and supported so as to be movable, and at the same time, the upper unit 2 is assembled to the top of the mold P. At this time, the mold P is erected between the lower unit 3 and the upper unit 2 in a vertical state. In addition, the upper wall surface roller 6 provided in the upper unit 2 and the lower wall surface roller 10 provided in the lower unit 3 may be provided on the same side with respect to the side surface of the concrete mold P, or may be provided on different sides. .

  The moving carriage 1 according to the present invention is suitable for use in a narrow place where the large concrete formwork P is moved adjacent to the construction wall surface, and is provided in each of the upper unit 2 and the lower unit 3. The wall rollers 6 and 10 move while in contact with the adjacent construction wall surface, so that the large concrete formwork P does not roll over and easily moves even with a small force. be able to.

In addition, it is preferable that the length of the upper unit 2 and the lower unit 3 shall be about 200-500 mm, respectively. That is, when the size of these units is smaller than 200 mm, a large formwork P having a size of 3 to 10 m cannot be stably supported, and the formwork may roll over. On the other hand, if the size is larger than 500 mm, the weight of the carriage itself increases, and it cannot be easily transported to the place where the carriage is used.
In addition, the magnitude | size of each unit 2 and 3 is determined by the magnitude | size of the large sized concrete formwork P to mount.

  Moreover, it is preferable to install the upper unit 2 and the lower unit 3 every 2-4 m with respect to the concrete formwork P (for example, about 3 pieces with respect to the 10 m concrete formwork P). This is the number required to support the large concrete formwork P, which is large in shape and weight, with the above-mentioned small upper / lower units, and the appropriate number is determined according to the construction environment and used. . The upper unit 2 and the lower unit 3 may not be installed above and below the same part, and the number of units used may be different.

Next, the structure of the upper unit 2 and the lower unit 3 will be described.
As shown in FIGS. 1 and 2, the upper unit 2 includes a mounting frame 4 having a U-shaped cross section, a pair of roller support plates 5 a and 5 b protruding from either one of the mounting frames 4, and an upper part. The upper wall roller 6 includes a wall roller 6 and is pivotally supported between the roller support plates 5a and 5b so as to roll along a construction surface (vertical wall) facing the side surface of the large concrete formwork P.

  The upper unit 2 may be simply placed so that the mounting frame 4 having a U-shaped cross section covers the upper end of the large concrete panel P. Preferably, the large unit mold is formed by a jig such as a tightening screw. Secure to.

  Further, it is preferable to install a plurality of upper wall rollers 6 of the upper unit at intervals of 100 mm with respect to the U-shaped mounting frame 4. This is the number required to support the large concrete mold P having a large shape and a large weight with the small upper / lower units 2 and 3 described above, and the appropriate number is determined according to the construction environment. Further, the diameter of the lower wall roller 10 is about φ40 to 60 mm, and it is appropriately determined depending on the construction environment, the size of the concrete formwork, and the like.

  Next, as shown in FIGS. 1 and 3, the lower unit 3 includes a holding frame 7 having an H-shaped cross section, and a moving roller 9 that is rotatably supported in a lower space portion of the holding frame 7, The roller support plates 8a and 8b projecting from the outside of the holding frame 7 and the lower wall surface roller 10 provided between the roller support plates 8a and 8b. The moving roller 9 always rolls on the ground. The lower wall roller 10 is provided so as to roll along a construction surface (vertical wall) facing the side surface of the large concrete formwork P.

  As a method of installing the large concrete form P on the lower unit 3, for example, the lower end of the form P is lifted by jacking up and the lower unit 3 is inserted into the gap. The large concrete form P is more preferably fixed on the lower unit 3 with a jig such as a tightening screw.

  Further, a plurality of moving rollers 9 and lower wall surface rollers 10 are installed in the lower space of the H-shaped holding frame 7 or between the roller support plates 8a and 8b, preferably at intervals of 100 mm. This is the number necessary to support the large concrete formwork P, which is large in shape and weight, with the above-mentioned small upper / lower units, and the appropriate number is determined depending on the construction environment. Further, the diameter of the moving roller 9 is determined by the thickness (width) of the concrete mold to be placed, and the diameter of the lower wall roller 10 is approximately 40 to 60 mm, and is appropriately determined depending on the construction environment, the size of the concrete mold, etc. Decide and use.

  A plurality of lower units 3 installed at and supported by the lower part of the large concrete formwork P are attached to at least one end surface with a tow rope hanging loop metal fitting 11, and the loop metal fitting 11 is hung with a rope or the like. Tow the panel P to a predetermined position. In addition, since the moving carriage 1 of the present invention is provided with a plurality of rollers on the upper and lower units 2 and 3 so as to be able to roll with respect to the ground and the vertical wall, a large concrete formwork is used with a small force such as human power. Can be towed with.

Next, actual usage will be described.
In a large concrete formwork assembling platform, a plurality of concrete panels are connected in advance vertically and horizontally with separators as necessary via horizontal butter or vertical butter, for example, 4 meters long, 8 meters wide, width A large concrete formwork P of 0.5 meters is formed. Although this may be assembled at the site or at the factory, the upper unit 2 is first placed on both the left and right ends of the upper end of the mold P, and fixed with a metal jig as necessary. Next, the lower end of the concrete formwork P is jacked up one by one, and the lower unit 3 is inserted into the left and right ends of the concrete formwork P, and then fixed with a metal jig as necessary.

  Subsequently, a plurality of workers pull the pulling rope hung on the pulling rope hanging loop metal fitting 11 at the end of the lower unit 3 to move the moving roller 9 and the upper and lower wall rollers 6 and 10 to the ground or adjacent to each other. After rolling on the wall surface and moving the large concrete formwork moving carriage 1 to the installation position of the formwork P, the upper unit 2 is removed, and the lower end of the large concrete formwork P is jacked up again to the lower part. The unit 3 is pulled out and lowered, and the mold P is installed so as to stand vertically.

  The large-sized concrete formwork moving cart according to the present invention not only moves a large-sized concrete formwork but also moves other large to small plate-like bodies of the same type when building a concrete building or a civil engineering structure. Can be used.

It is sectional drawing which shows one Embodiment of the trolley | bogie for large-sized concrete formwork which concerns on this invention. An example of the upper unit of the large-sized concrete formwork trolley | bogie which concerns on this invention is shown, (a) A arrow directional view of FIG. 1, (b) Plan view. An example of the lower unit of the trolley for moving a large concrete formwork concerning this invention is shown, (a) B arrow view of Drawing 1, (b) Plan view.

Explanation of symbols

P Large concrete formwork 1 Large concrete formwork moving carriage 2 Upper unit 3 Lower unit 4 U-shaped mounting frame 5a, 5b Roller support plate 6 Upper wall roller 7 H-shaped holding frame 8a, 8b Roller support plate 9 Movement Roller 10 Lower Wall Roller 11 Tow Rope Loop Fitting

Claims (4)

A moving carriage for moving a large concrete formwork along a vertical wall facing the side face of the formwork. The carriage comprises a combination of one or more independent upper units and one or more lower units. ,
The upper unit is used by being placed on the upper end of a large concrete formwork, which has a U-shaped mounting frame that covers the upper end of the formwork, and protrudes on either outer side of the mounting frame. It comprises a pair of upper and lower roller support plates provided, and a plurality of wall rollers pivotally supported between the upper and lower roller support plates,
The lower unit is used by placing the lower end of the large concrete formwork on the unit, which is composed of a holding frame having an H-shaped cross section and a pair of upper and lower parts protruding from either one of the holding frames. The roller support plate, a plurality of wall rollers rotatably supported between the upper and lower roller support plates, and a lower space portion of the holding frame that is always rotatably supported in contact with the ground. A cart for moving a large concrete formwork comprising a plurality of moving rollers.   The trolley for moving a large concrete form according to claim 1, wherein each of the upper unit and the lower unit has a length of 200 to 500 mm.   The trolley for moving a large concrete formwork according to claim 1 or 2, wherein the upper unit and the lower unit are arranged at an upper end and a lower end of a large concrete formwork every 2 to 4 m. 4. The large concrete formwork movement according to claim 1, wherein at least one end of the lower unit is provided with a tow rope hanging loop metal fitting. 5. Trolley.

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