JP2007146457A - Drainage channel construction method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a drainage channel enabling accurate gradient and a reduction in cost. <P>SOLUTION: In this drainage gutter construction method, gutter-like or gully-like drainage channel units 12, 13 are buried in a concrete floor 11 with their upper edge parts exposed to the surface of the floor. The drainage channel units 12, 13 comprises stainless steel bottom part structural members 15, 40 forming the bottom part, vertical side mold-frame bodies 16, 41 supported on the side parts of the bottom part structural members 15, 40, and upper edge part structural members 17, 42 supported on the upper ends of the side mold-frame bodies 16, 41. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a drainage channel construction method that is mainly a drainage channel installed on the floor of a food processing facility and has a bottom part and an upper edge part made of ready-made stainless steel members.

  Conventionally, food processing facilities are provided with drainage grooves and catchment basins on the floor of the processing plant, and the water discharged by the processing operation is drained through the drainage grooves.

As shown in FIG. 6, this drainage ditch and catchment basin are formed by combining the drainage ditch unit 1 and the catchment trough unit 2 integrally formed of stainless steel in consideration of processing accuracy, food hygiene and durability. 3 is installed by being embedded in an arrangement in which the upper edge portion is exposed on the surface thereof, and in particular, the drainage groove unit 1 is provided with a water gradient in which the bottom portion is inclined in the longitudinal direction in order to improve drainage efficiency. Yes.
JP 2004-100240 A

  However, in the conventional technology as described above, the required size, that is, the depth, length, gradient, etc., differs depending on the food processing facility to be installed. Must be individually manufactured in a shape corresponding to each food processing facility, and there was a problem that mass production was impossible and production cost increased.

  Also, when constructing such a drainage channel, the work of installing the drainage channel unit and the work of installing the formwork and the grating frame for concrete placement are performed by different contractors due to its nature, There was a problem that construction time and construction cost increased.

  Furthermore, there is a known method of constructing drainage channels using concrete molds, but with this conventional method it is technically difficult to achieve the high-precision water gradient required in food processing facilities. There was a problem.

  SUMMARY OF THE INVENTION In view of the above-described problems of the prior art, an object of the present invention is to provide a drainage channel that can realize a highly accurate gradient and can reduce costs.

In order to solve the above-mentioned conventional problems and achieve the intended object, the invention according to claim 1 is provided in a concrete floor in a groove-like and / or arrangement in which the upper edge is exposed on the floor surface. In the drainage channel construction method of constructing a drainage channel and / or a drainage channel constructed by burying a bowl-shaped drainage channel unit,
The drainage channel unit is made of a stainless steel bottom component constituting the drainage groove and / or the bottom inner surface of the catchment basin, and a stainless steel constituting a lid receiving part exposed at the upper edge of the drainage groove and / or the catchment basin. Side wall molding for forming the drainage channel unit between the bottom component member and the upper edge component member by molding the side wall portion of the drainage channel with concrete. It is characterized in that it is installed on a concrete floor support base with a template interposed, and the floor concrete is placed on the concrete floor support base by embedding the drainage channel unit.

  According to a second aspect of the present invention, in addition to the structure of the first aspect, a bottom component supporting bolt for supporting the bottom component of the drainage channel unit is erected on the concrete floor support base. Then, the bottom component member is supported by the bottom component member supporting bolt so that the height can be adjusted.

According to a third aspect of the present invention, in addition to the configuration of the second aspect, a plurality of support fittings through which the unit support bolts pass are provided in the bottom constituent member of the drainage channel unit at intervals in the longitudinal direction. And fixing the height of the support bracket to the unit support bolt by adjusting the water gradient by adjusting the position of a nut screwed to the unit support bolt.
According to a fourth aspect of the present invention, in addition to the structure of the first, second or third aspect, the upper edge constituent member of the drainage channel unit is supported by the concrete floor by a support member different from the bottom part constituent member. It is to support the base.

  The feature of the invention described in claim 5 is that, in addition to the configuration of claims 1 to 3 or 4, the bottom constituent member made of stainless steel constituting the bottom inner surface of the drainage groove has a groove bottom surface in the center in the width direction. The object is to use a portion which is formed into a V-shaped cross section by an inclined surface which is inclined to be lower as it reaches the lower and lower sides.

  In the present invention, the drainage channel unit is made of a bottom part constituting member made of stainless steel that constitutes the inner surface of the bottom part of the drainage groove and / or the drainage basin, and the lid receiving part exposed at the upper edge of the drainage groove and / or the drainage basin. And forming the drainage channel unit between the bottom component member and the upper edge component member by casting the side wall of the drainage channel with concrete. The bottom structure of the fixed size is determined by installing the side wall molding template for the concrete floor supporting base, embedding the drainage channel unit and placing the floor concrete on the concrete floor supporting base. By using the member and the upper edge constituent member, it is possible to form a drainage channel unit adapted to the situation of the installation place such as a food manufacturing facility, and to reduce the cost. In addition, one contractor can perform the drainage channel unit installation work and the concrete mold / grating frame installation work in a lump, so that the construction time can be shortened and the construction cost can be reduced.

  In the present invention, on the concrete floor support base, a bottom component member supporting bolt for supporting the bottom component member of the drainage channel unit is erected, and the bottom component member is supported with respect to the bottom component member supporting bolt. Is supported so that the height can be adjusted, so that the bottom component can be suitably installed on the concrete floor support base.

  Further, in the present invention, the bottom component member of the drainage channel unit is provided with a plurality of support fittings through which the unit support bolt penetrates at intervals in the longitudinal direction, and the fixing height of the support fitting with respect to the unit support bolt is set to the unit. By adjusting the water gradient by adjusting the position of the nut screwed to the support bolt, a highly accurate water gradient can be set using a bottom component member having a fixed size, and the cost can be reduced.

  Furthermore, in the present invention, the upper edge constituent member of the drainage channel unit is supported on the concrete floor support base by a support member different from the bottom constituent member, so that the upper edge constituent member is the bottom constituent member. Apart from that, its required height and inclination can be set easily.

  Furthermore, in the present invention, the bottom surface component member made of stainless steel constituting the bottom inner surface of the drainage groove is formed into a V-shaped cross section in which the bottom surface of the groove is inclined higher toward the lower and lower side portions of the width direction. By using what is done, it is easy to clean, and even when the flow rate is small, the flow rate does not decrease and the deposits are difficult to deposit.

  First, the structure of the drainage channel constructed according to the present invention will be described.

  FIG. 1 shows an outline of a drainage channel according to the present invention. In the figure, reference numeral 10 denotes a concrete floor support base, and reference numeral 11 denotes a concrete floor.

  This drainage channel is formed by embedding a drainage channel unit composed of a drainage basin unit 12 and a drainage groove unit 13 in a concrete floor 11 with the upper edge exposed on the floor surface. The end of the basin is connected to the side of the drainage basin unit 12, and the water that has flowed on the floor surface is collected in the basin through the drainage ditch, and through the discharge pipe 14 connected to the lower end of the basin. It is drained to the drainage channel.

  As shown in FIG. 2, the drainage basin unit 12 has a stainless steel drainage bottom constituent member 15 that constitutes the bottom of the drainage trough, and a vertical orientation on the peripheral side portion of the drainage trough bottom constituent member 15. The side wall molding template 16 for the drainage basin supported on the upper side, the upper edge component member 17 for the drainage basin supported on the upper end of the side wall molding template 16 for the drainage basin, and the upper edge configuration for the drainage basin It comprises a grating (lid) 18 placed on the member 17.

  In addition, a dust collecting basket 19 is installed in the water collecting unit 12 so that it can be taken out from the upper surface opening.

  The bottom collecting member 15 for the drainage basin has a flat bottom plate portion 20, side plate portions 21, 21,..., Arranged so as to rise from the four sides around the bottom plate portion 20, and the bottom plate portion 20 communicated with the inside of the tub. And a downward draining pipe portion 22 projecting from the bottom, and is integrally formed of a stainless steel material.

  Each of the side plate portions 21, 21... Is integrally formed with a frame body receiving portion 23 at the upper end portion, and the lower end portion of the side wall mold template 16 for the water collecting tank is supported by the frame body receiving portion 23. .

  Further, on the outer side surface of the side plate portion 21, a support fitting 25 fixed to a bottom component member supporting bolt 24 erected on the concrete floor support base 10 is integrally fixed.

  The support fitting 25 is formed in an L-shaped cross section with a fixing portion 26 fixed to the side plate portion 21 by welding or the like, and an insertion portion 27 arranged to protrude outward from the lower edge of the fixing portion 26. An insertion hole is formed in 27.

  The support metal fitting 25 is inserted into the insertion hole at the end of a rod-like bottom component supporting bolt 24 erected on the concrete floor support base 10 and the bottom component supporting bolt 24 is arranged so as to sandwich the insertion portion 27. The nuts 28 and 28 are screwed together to be fixed at an arbitrary height position.

  Further, the other end of the reinforcing support member 29 such as a reinforcing bar whose one end is fixed to the concrete floor support base 10 is fixed to the support metal fitting 25 by welding or the like.

  In the figure, reference numeral 30 denotes a socket for connecting the drain pipe portion 22 and the discharge pipe 14.

  The side wall mold template 16 for the water collecting basin is composed of a plate material, and its longitudinal length h1 is determined by the height (depth) of the water collecting basin unit 12, and is previously formed in the factory. Yes.

  The upper edge constituting member 17 for the water collecting basin is supported horizontally on the upper end of the side wall molding template 16 for the water collecting basin, and is supported on the concrete floor support base 10 via the supporting members 31, 31 such as reinforcing bars. I am letting.

  The upper edge constituting member 17 for the catchment basin includes a placing portion 32 projecting inwardly at the inner edge of the lower end, and the side edge of the grating 18 is supported by the placing portion 32. Yes.

  The drainage basin unit 12 configured in this manner is configured to change the vertical length h1 of the sidewall of the drainage basin 16 to the bottom basin 15 for the basin for mass production that can be mass-produced with a fixed size. Even when the water tank upper edge component 17 is used, it is possible to form a water collecting tank adapted to each installation facility, thereby reducing the production cost.

  As shown in FIG. 3, the drainage groove unit 13 includes a groove bottom constituent member 40 that forms the bottom of the drainage groove, and a groove sidewall molding template that is vertically supported on the side of the groove bottom constituent member 40. 41, a groove upper edge constituent member 42 supported on the upper end of the groove side wall molding template 41, and a grating 43 placed on the groove upper edge constituent member 42. In consideration of drainage efficiency, the water slope is inclined toward the catchment side.

  The groove bottom component member 40 is formed by connecting a plurality of stainless steel main body members 44, 44,... In the longitudinal direction, and is inclined to the gradient direction.

  The groove bottom component member 40 has an arbitrary length by adjusting the length by cutting the number of the main body members 44 provided continuously and cutting the outermost main body member 44.

  As shown in FIG. 4, each main body member 44 is supported by a groove bottom surface 45 having a deep central portion, side plate portions 46 and 46 raised from both side edges of the groove bottom surface 45, and an outer surface of the side plate portion 46. The support member 47 is provided, and is supported by the bottom component member support bolts 48 erected on the concrete floor support base 10 via the support member 47.

The bottom surface 45 of the groove is formed into a V-shaped cross section integrally including inclined surfaces 45b and 45b that have the lowest central portion 45a in the width direction and are inclined higher toward both sides on both sides thereof. The end of the main body member 44 is closed by an end plate.

  The side plate portions 46, 46 are integrally formed with a frame body receiving portion 49 at the upper end portion, and the lower end portion of the groove side wall molding template 41 is supported by the frame body receiving portion 49.

  The support fitting 47 is formed in an L-shaped cross section with a fixed portion 50 fixed to the side plate portion 46 by welding or the like, and an insertion portion 51 arranged to protrude outward from the lower edge of the fixed portion 50. 51, an insertion hole 52 on the elongated hole is formed, and a rod-like bottom component supporting bolt 48 is inserted, and nuts 53, 53 are screwed up and down on the bottom component supporting bolt across the insertion component 51. It can be fixed at an arbitrary height position by clamping.

  A grip bolt is used for the bottom component supporting bolt 48, and a screw portion is formed on the outer peripheral portion of the other end.

  A plurality of support brackets 47 and 47 are fixed to both side portions of the main body member 44 at intervals in the longitudinal direction, and the fixing height positions of the respective support brackets 47 and 47 continuous in the longitudinal direction are changed, that is, By fixing the water collecting basin side to a low position and the side farther from the water collecting basin to a high position, the main body member 44 can be installed obliquely in the gradient direction.

  Further, the other end of the auxiliary support member 54 such as a reinforcing bar whose one end is fixed to the concrete floor support base 30 is fixed to the support fitting 47 by welding or the like.

  As shown in FIG. 5, the groove side wall mold 41 has plate members 55, 55... Which are inclined in advance (inclination angle s) at the lower edge portion formed in advance at a production site such as a factory. It is configured.

  Each of the plate members 55 and 55 is formed so that the upper edge and the lower edge of the adjacent plate members are continuously arranged.

  The groove upper edge constituent member 42 is supported horizontally on the upper end of the groove side wall molding template 41 and supported by the concrete floor support base 10 via support members 56 and 56 such as reinforcing bars.

  The upper edge portion constituting member 42 for grooves has a lid receiving portion 57 projecting inwardly at the inner edge of the lower end, and the side edge portion of the grating 43 is supported by the lid receiving portion 57.

  The drainage groove unit 13 configured as described above has a groove bottom portion component member 40 that can be mass-produced with a fixed size by forming the lower edge portion of the groove sidewall molding template 41 obliquely corresponding to the water gradient. And the drainage groove of the form adapted to installation places, such as a food processing facility, can be formed using the upper edge part structural member 42 for grooves.

  Next, the construction method of this drainage channel is demonstrated.

  In this drainage channel, the drainage basin unit 12 and the drainage groove unit 13 are installed on the concrete floor support base 10 in a predetermined arrangement, and concrete is placed around the drainage basin unit 12 and the drainage groove unit. 13 is embedded in the concrete floor 11 in an arrangement in which the upper edge is exposed on the surface of the concrete floor 11.

  In order to install the water collecting unit 12, first, the bottom component member supporting bolts 24, 24... Are erected on the concrete floor support base 10, and the support bracket 25 is placed at an arbitrary height position of the bottom component member supporting bolt 24. Are fixed, the level of each support fitting 25, 25... Is adjusted, the bottom collecting member 15 for the water collecting basin is installed in a horizontal arrangement, and the drain pipe section 22 and the discharge pipe 14 are connected via the socket 30.

  In addition, it is preferable to install a stiffener between the side plate portions facing each other in the installed water collecting unit 12.

  Next, on the side plate parts 21, 21,... Around the bottom collecting member 15 for the water collecting tank, a plate-shaped side wall molding template for the water collecting tank formed in advance in an arbitrary vertical length h1 at a factory or the like. 16 is placed on the frame receiving portion 23 and fixed.

  Then, the upper edge component member 17 for the drainage basin 17 is placed on the upper end of the sidewall molding template 16 for the drainage basin. And fix.

  Furthermore, one end portion of the support member 31 such as a reinforcing bar is fixed to the side surface portion of the upper edge constituting member 17 for the drainage basin, and the other end portion is fixed to the concrete floor support base 10 to fix the support member 31. The upper edge constituent member 17 for the catchment basin is supported by the concrete floor support base 10 through the via.

  This completes the installation of the water collecting unit 12.

  Next, the drainage groove unit 13 is installed in an arrangement in which one end is connected to the side surface of the water collecting unit 12, that is, one side mold body 16.

  First, the groove bottom component member 40 is installed obliquely toward the water gradient direction. That is, a plurality of body members 44, 44... Inclined obliquely are successively arranged in the longitudinal direction.

  Each main body member 44 is provided with a plurality of support fittings 47 provided with rod-like bottom component supporting bolts 48, 48... Standing at predetermined positions on the concrete floor support base 10 and spaced in the longitudinal direction. , 47 are fixed at a low position on the side of the catchment basin, and fixed at a higher position in order of increasing distance from the catchment basin, so that a predetermined water gradient (inclination angle s) is formed.

  After checking the level of each support fitting 47, 47 and fixing the fixing position of the support fitting 47, 47 to the bottom component member support bolt, the end of the reinforcing support member 54 is fixed to the support fitting 47 by welding or the like, and the groove The bottom component member 40 is reinforced.

  In addition, it is preferable to install a some stiffener in the arrangement | positioning spanning between both side board parts at intervals in a longitudinal direction.

  Next, the plate members 55 and 55 having the lower edge formed obliquely (inclination angle s) corresponding to the water gradient, that is, the installation angle of the groove bottom component member 40 in advance at a factory or the like, are formed on the groove bottom component member 40. The groove side wall molding template 41 is placed on the side portion, that is, the frame receiving portion 49 in the vertical direction, and the lower end portion of the groove side wall molding template 41 is fixed to the upper end of the side plate portion 46.

  By doing in this way, the upper edge part of the side wall mold template 41 for grooves continues in horizontal arrangement | positioning.

  A groove upper edge constituent member 42 is placed horizontally on the upper end of the groove side wall molding template 41, and the groove upper edge constituent member 42 is fixed to the upper end of the groove side wall molding template 41.

  Further, one end portion of the support member 55 made of a reinforcing bar or the like is fixed to the side portion of the groove upper edge constituent member 42, and the other end portion is fixed to the concrete floor support base 10, and the support member 56 is interposed. The upper edge constituting member 42 for grooves is supported on the concrete floor support base 10.

  This completes the installation of the drainage groove unit 13.

  Then, concrete is cast around the drainage basin unit 12 and the drainage groove unit 13 to form the concrete floor 11, and after the concrete is hardened, the stiffener is removed.

  Finally, the gratings 18 and 43 are placed on the upper edge portions of the catchment unit 12 and the drainage groove unit 13, that is, the upper edge constituent members 17 and 42. The edge is embedded in the concrete floor 11 in an arrangement in which the surface of the concrete floor 11 is exposed, and the construction of the drainage channel is completed.

  In the above-described embodiment, the example in which the drainage grooves are disposed only on one side of the catchment basin has been described. However, the drainage grooves may be disposed on both sides of the catchment basin.

  Moreover, although the example which fixed the support member and the support metal fitting with the nut was demonstrated in the above-mentioned Example, you may fix a support member and the support metal fitting by welding or other fixing means.

  In addition, although the above-mentioned Example demonstrated the drainage channel for food processing facilities as an example, it is applicable also to the drainage channel etc. which were provided in the side ditch of the road, the park.

It is sectional drawing which shows the outline of the drainage channel which concerns on this invention. It is sectional drawing which shows the installation state of the catchment unit in FIG. It is sectional drawing which shows the installation state of a drain ditch unit same as the above. It is a top view which shows the main body member in FIG. It is a side view which shows the side wall mold template for a groove | channel same as the above. It is sectional drawing which shows an example of the conventional drainage channel.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Concrete floor support base 11 Concrete floor 12 Catchment unit 13 Drainage unit 14 Drain pipe 15 Catchment bottom part component 16 Catchment side wall molding template 17 Catchment top edge component 18 Grating 19 Basket 20 Bottom plate portion 21 Side plate portion 22 Drain pipe portion 23 Frame body receiving portion 24 Bottom component member supporting bolt 25 Support bracket 26 Fixing portion 27 Inserting portion 28 Nut 29 Reinforcing support member 30 Socket 31 Support member (rebar)
32 Mounting part 40 Groove bottom component member 41 Groove side wall molding template 42 Groove upper edge component member 43 Grating 44 Body member 45 Bottom 46 Side plate 47 Support bracket 48 Bottom component member support bolt 49 Frame body receiver Part 50 Fixed part 51 Insertion part 52 Insertion hole 53 Nut 54 Reinforcement support member 55 Plate material 56 Support member (rebar)
57 Lid holder

Claims (5)

In the concrete floor, a drainage channel with drainage channels and / or drainage basins is constructed by burying channel-shaped and / or bowl-shaped drainage channel units in an arrangement where the upper edge is exposed on the floor surface. In the drainage channel construction method,
The drainage channel unit is made of a stainless steel bottom component constituting the drainage groove and / or the bottom inner surface of the catchment basin, and a stainless steel constituting a lid receiving part exposed at the upper edge of the drainage groove and / or the catchment basin. Side wall molding for forming the drainage channel unit between the bottom component member and the upper edge component member by molding the side wall portion of the drainage channel with concrete. A drainage channel construction method characterized in that it is installed on a concrete floor support base with a template interposed, the drainage channel unit is embedded, and floor concrete is placed on the concrete floor support base.   A bottom component supporting bolt for supporting the bottom component of the drainage channel unit is erected on the concrete floor support base, and the height of the bottom component is adjusted with respect to the bottom component supporting bolt. The drainage channel construction method according to claim 1, wherein the drainage channel construction method is supported.   The bottom structural member of the drainage channel unit is provided with a plurality of support fittings through which the unit support bolt penetrates at intervals in the longitudinal direction, and the fixing height of the support fitting with respect to the unit support bolt is set in the unit support bolt. The drainage channel construction method according to claim 2, wherein the water gradient is adjusted by adjusting the position of the screwed nut.   The drainage path construction method according to claim 1, 2 or 3, wherein the upper edge constituent member of the drainage channel unit is supported on the concrete floor support base by a support member different from the bottom constituent member.   The stainless steel bottom constituent member constituting the bottom inner surface of the drainage groove is formed into a V-shaped cross section by an inclined surface in which the groove bottom surface is inclined higher as it reaches the lower and both side portions in the width direction. The drainage channel construction method according to claim 1 or 4 using what is used.

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